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<h3>
Ben Gamari pushed to branch wip/memory-barriers
at <a href="https://gitlab.haskell.org/ghc/ghc">Glasgow Haskell Compiler / GHC</a>
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<h4>
Commits:
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<ul>
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<strong><a href="https://gitlab.haskell.org/ghc/ghc/commit/35300a4750693cd2ee44712c49dd88d69476d251">35300a47</a></strong>
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<span>by Ben Gamari</span>
<i>at 2019-06-14T15:15:09Z</i>
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<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">Account for Simon's comments
</pre>
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<strong><a href="https://gitlab.haskell.org/ghc/ghc/commit/266cc5585e0af82ce33b95953861f3fc6298c53a">266cc558</a></strong>
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<span>by Ben Gamari</span>
<i>at 2019-06-14T15:16:25Z</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">rts: Assert that LDV profiling isn't used with parallel GC
I'm not entirely sure we are careful about ensuring this; this is a
last-ditch check.
</pre>
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<strong><a href="https://gitlab.haskell.org/ghc/ghc/commit/1ce4268e60b46551ecb24753a1eb796c9f04e601">1ce4268e</a></strong>
<div>
<span>by Ben Gamari</span>
<i>at 2019-06-14T16:08:27Z</i>
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<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">More comments from Simon
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<h4>15 changed files:</h4>
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<li class="file-stats">
<a href="#6011cad13b19136953f8ee72df01a66623c5c1b0">
includes/Cmm.h
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<li class="file-stats">
<a href="#fbe566a2918ba0562be9aceeb5d07448bf2f9ed0">
includes/stg/SMP.h
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<a href="#c6ca7d2b8bb94ab0a0ee349206e12a4a65925cec">
rts/Apply.cmm
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<li class="file-stats">
<a href="#850b7a6f6f95faed03d3f83b3039ec0a562dfe86">
rts/Compact.cmm
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<li class="file-stats">
<a href="#539d43389593f2626a387f2c904f03c215c7c802">
rts/Interpreter.c
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<li class="file-stats">
<a href="#63bb2dcb45bf7982130b0b95ecf366bf1a617e82">
rts/Messages.c
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<li class="file-stats">
<a href="#6db965f97cbab901f493506a385bcf1283009921">
rts/PrimOps.cmm
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<li class="file-stats">
<a href="#515f190a948b1d6c490c96f75a3f909580e927b0">
rts/RaiseAsync.c
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<li class="file-stats">
<a href="#6ca006a5d6dfdfdb97d0dd72db322e3f6eaa6214">
rts/StgMiscClosures.cmm
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<li class="file-stats">
<a href="#4b22b3f666af23f7c8097b32282abfd52fb6c342">
rts/ThreadPaused.c
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<li class="file-stats">
<a href="#761328eae818b7bd533ac0b2feaef5c8e2355a6e">
rts/sm/Compact.c
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<li class="file-stats">
<a href="#37a93df244a7789fddf557443b6398d06763e9cc">
rts/sm/Evac.c
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<li class="file-stats">
<a href="#6477e10756faf038741e63d1ad499a1df809fe10">
rts/sm/GC.c
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<li class="file-stats">
<a href="#a481abfdf0106c53321542436ad78f6df542b1b8">
rts/sm/GCAux.c
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<li class="file-stats">
<a href="#3ef44886f86cfacfb064db8d4e5d756ed1f7936e">
rts/sm/Scav.c
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<h4>Changes:</h4>
<li id="6011cad13b19136953f8ee72df01a66623c5c1b0">
<a href="https://gitlab.haskell.org/ghc/ghc/compare/ee6ba25b1b407a9516b55b94ea90dad176eb49ca...1ce4268e60b46551ecb24753a1eb796c9f04e601#6011cad13b19136953f8ee72df01a66623c5c1b0"><strong>includes/Cmm.h</strong></a>
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<td class="diff-line-num unfold js-unfold new_line" data-linenumber="633" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">...</td>
<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -633,6 +633,9 @@</td>
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<pre style="margin: 0;"> <span id="LC633" class="line" lang="c"><span class="cp" style="color: #999; font-weight: 600;">#define OVERWRITING_CLOSURE_OFS(c,n) </span><span class="cm" style="color: #998; font-style: italic;">/* nothing */</span></span>
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<pre style="margin: 0;"> <span id="LC634" class="line" lang="c"><span class="cp" style="color: #999; font-weight: 600;">#endif</span></span>
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<pre style="margin: 0;"> <span id="LC635" class="line" lang="c"></span>
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<pre style="margin: 0;">+<span id="LC636" class="line" lang="c"><span class="c1" style="color: #998; font-style: italic;">// Memory barriers.</span></span>
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<td class="diff-line-num new new_line" data-linenumber="637" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
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<pre style="margin: 0;">+<span id="LC637" class="line" lang="c"><span class="c1" style="color: #998; font-style: italic;">// For discussion of how these are used to fence heap object</span></span>
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<td class="diff-line-num new new_line" data-linenumber="638" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
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<pre style="margin: 0;">+<span id="LC638" class="line" lang="c"><span class="c1" style="color: #998; font-style: italic;">// accesses see Note [Heap memory barriers] in SMP.h.</span></span>
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<pre style="margin: 0;"> <span id="LC639" class="line" lang="c"><span class="cp" style="color: #999; font-weight: 600;">#if defined(THREADED_RTS)</span></span>
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<pre style="margin: 0;"> <span id="LC640" class="line" lang="c"><span class="cp" style="color: #999; font-weight: 600;">#define prim_read_barrier prim %read_barrier()</span></span>
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638
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<pre style="margin: 0;"> <span id="LC641" class="line" lang="c"><span class="cp" style="color: #999; font-weight: 600;">#else</span></span>
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<li id="fbe566a2918ba0562be9aceeb5d07448bf2f9ed0">
<a href="https://gitlab.haskell.org/ghc/ghc/compare/ee6ba25b1b407a9516b55b94ea90dad176eb49ca...1ce4268e60b46551ecb24753a1eb796c9f04e601#fbe566a2918ba0562be9aceeb5d07448bf2f9ed0"><strong>includes/stg/SMP.h</strong></a>
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<td class="diff-line-num unfold js-unfold old_line" data-linenumber="123" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">...</td>
<td class="diff-line-num unfold js-unfold new_line" data-linenumber="123" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">...</td>
<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -123,24 +123,25 @@ EXTERN_INLINE void load_load_barrier(void);</td>
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<pre style="margin: 0;"> <span id="LC123" class="line" lang="c"><span class="cm" style="color: #998; font-style: italic;"> * has jumped off into the abyss. Speculative execution can also cause us</span></span>
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<pre style="margin: 0;"> <span id="LC124" class="line" lang="c"><span class="cm" style="color: #998; font-style: italic;"> * issues, consider:</span></span>
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<pre style="margin: 0;"> <span id="LC125" class="line" lang="c"><span class="cm" style="color: #998; font-style: italic;"> *</span></span>
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<td class="diff-line-num old old_line" data-linenumber="126" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
126
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<pre style="margin: 0;">-<span id="LC126" class="line" lang="c"><span class="cm" style="color: #998; font-style: italic;"> * - <span class="idiff left right">A</span>n observer is about to case on a value in closure's info table.</span></span>
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<pre style="margin: 0;">-<span id="LC127" class="line" lang="c"><span class="cm" style="color: #998; font-style: italic;"> * - <span class="idiff left right">T</span>he observer speculatively reads one or more of closure's fields.</span></span>
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<pre style="margin: 0;">-<span id="LC128" class="line" lang="c"><span class="cm" style="color: #998; font-style: italic;"> * - <span class="idiff left right">A</span>n updater writes to closure's info table.</span></span>
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<pre style="margin: 0;">-<span id="LC129" class="line" lang="c"><span class="cm" style="color: #998; font-style: italic;"> * - <span class="idiff left right">T</span>he observer takes a branch based on the new info table value, but with the</span></span>
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<pre style="margin: 0;">+<span id="LC126" class="line" lang="c"><span class="cm" style="color: #998; font-style: italic;"> * - <span class="idiff left right">a</span>n observer is about to case on a value in closure's info table.</span></span>
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127
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<pre style="margin: 0;">+<span id="LC127" class="line" lang="c"><span class="cm" style="color: #998; font-style: italic;"> * - <span class="idiff left right">t</span>he observer speculatively reads one or more of closure's fields.</span></span>
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128
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<pre style="margin: 0;">+<span id="LC128" class="line" lang="c"><span class="cm" style="color: #998; font-style: italic;"> * - <span class="idiff left right">a</span>n updater writes to closure's info table.</span></span>
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129
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<pre style="margin: 0;">+<span id="LC129" class="line" lang="c"><span class="cm" style="color: #998; font-style: italic;"> * - <span class="idiff left right">t</span>he observer takes a branch based on the new info table value, but with the</span></span>
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130
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130
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<pre style="margin: 0;"> <span id="LC130" class="line" lang="c"><span class="cm" style="color: #998; font-style: italic;"> * old closure fields!</span></span>
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131
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<pre style="margin: 0;">-<span id="LC131" class="line" lang="c"><span class="cm" style="color: #998; font-style: italic;"> * - <span class="idiff left right">T</span>he updater writes to the closure's other fields, but its too late.</span></span>
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131
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<pre style="margin: 0;">+<span id="LC131" class="line" lang="c"><span class="cm" style="color: #998; font-style: italic;"> * - <span class="idiff left right">t</span>he updater writes to the closure's other fields, but its too late.</span></span>
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132
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132
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<pre style="margin: 0;"> <span id="LC132" class="line" lang="c"><span class="cm" style="color: #998; font-style: italic;"> *</span></span>
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133
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133
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<pre style="margin: 0;"> <span id="LC133" class="line" lang="c"><span class="cm" style="color: #998; font-style: italic;"> * Because of these effects, reads and writes to a closure's info table must be</span></span>
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134
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134
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<pre style="margin: 0;"> <span id="LC134" class="line" lang="c"><span class="cm" style="color: #998; font-style: italic;"> * ordered carefully with respect to reads and writes to the closure's other</span></span>
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135
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135
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<pre style="margin: 0;"> <span id="LC135" class="line" lang="c"><span class="cm" style="color: #998; font-style: italic;"> * fields, and memory barriers must be placed to ensure that reads and writes</span></span>
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136
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<pre style="margin: 0;">-<span id="LC136" class="line" lang="c"><span class="cm" style="color: #998; font-style: italic;"> * occur in program order. Specifically, updates to a<span class="idiff left right"> closure must follow th</span>e</span></span>
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137
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<pre style="margin: 0;">-<span id="LC137" class="line" lang="c"><span class="cm" style="color: #998; font-style: italic;"> * following pattern:</span></span>
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136
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<pre style="margin: 0;">+<span id="LC136" class="line" lang="c"><span class="cm" style="color: #998; font-style: italic;"> * occur in program order. Specifically, updates to a<span class="idiff left right">n already existing closur</span>e</span></span>
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137
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<pre style="margin: 0;">+<span id="LC137" class="line" lang="c"><span class="cm" style="color: #998; font-style: italic;"> * <span class="idiff left right">must follow the </span>following pattern:</span></span>
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138
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138
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<pre style="margin: 0;"> <span id="LC138" class="line" lang="c"><span class="cm" style="color: #998; font-style: italic;"> *</span></span>
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139
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139
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<pre style="margin: 0;"> <span id="LC139" class="line" lang="c"><span class="cm" style="color: #998; font-style: italic;"> * - Update the closure's (non-info table) fields.</span></span>
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140
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140
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<pre style="margin: 0;"> <span id="LC140" class="line" lang="c"><span class="cm" style="color: #998; font-style: italic;"> * - Write barrier.</span></span>
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141
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141
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<pre style="margin: 0;"> <span id="LC141" class="line" lang="c"><span class="cm" style="color: #998; font-style: italic;"> * - Update the closure's info table.</span></span>
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142
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142
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<pre style="margin: 0;"> <span id="LC142" class="line" lang="c"><span class="cm" style="color: #998; font-style: italic;"> *</span></span>
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143
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<pre style="margin: 0;">-<span id="LC143" class="line" lang="c"><span class="cm" style="color: #998; font-style: italic;"> * Observing a closure's fields must follow the following pattern:</span></span>
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143
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<pre style="margin: 0;">+<span id="LC143" class="line" lang="c"><span class="cm" style="color: #998; font-style: italic;"> * Observing the fields of an updateable closure (e.g. a THUNK) must follow the</span></span>
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144
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<pre style="margin: 0;">+<span id="LC144" class="line" lang="c"><span class="cm" style="color: #998; font-style: italic;"> * following pattern:</span></span>
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144
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145
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<pre style="margin: 0;"> <span id="LC145" class="line" lang="c"><span class="cm" style="color: #998; font-style: italic;"> *</span></span>
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145
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146
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<pre style="margin: 0;"> <span id="LC146" class="line" lang="c"><span class="cm" style="color: #998; font-style: italic;"> * - Read the closure's info pointer.</span></span>
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<pre style="margin: 0;"> <span id="LC147" class="line" lang="c"><span class="cm" style="color: #998; font-style: italic;"> * - Read barrier.</span></span>
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<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -220,8 +221,31 @@ EXTERN_INLINE void load_load_barrier(void);</td>
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<pre style="margin: 0;"> <span id="LC221" class="line" lang="c"><span class="cm" style="color: #998; font-style: italic;"> * the capability-local mut_list. Consequently this does not require any memory</span></span>
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<pre style="margin: 0;"> <span id="LC222" class="line" lang="c"><span class="cm" style="color: #998; font-style: italic;"> * barrier.</span></span>
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<pre style="margin: 0;"> <span id="LC223" class="line" lang="c"><span class="cm" style="color: #998; font-style: italic;"> *</span></span>
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<pre style="margin: 0;">-<span id="LC223" class="line" lang="c"><span class="cm" style="color: #998; font-style: italic;"> * During parallel GC cores are each scavenging disjoint sets of blocks and</span></span>
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<pre style="margin: 0;">-<span id="LC224" class="line" lang="c"><span class="cm" style="color: #998; font-style: italic;"> * consequently no barriers are needed.</span></span>
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<pre style="margin: 0;">+<span id="LC224" class="line" lang="c"><span class="cm" style="color: #998; font-style: italic;"> * During parallel GC we need to be careful during evacuation: before replacing</span></span>
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<pre style="margin: 0;">+<span id="LC225" class="line" lang="c"><span class="cm" style="color: #998; font-style: italic;"> * a closure with a forwarding pointer we must commit a write barrier to ensure</span></span>
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<pre style="margin: 0;">+<span id="LC226" class="line" lang="c"><span class="cm" style="color: #998; font-style: italic;"> * that the copy we made in to-space is visible to other cores.</span></span>
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<pre style="margin: 0;">+<span id="LC227" class="line" lang="c"><span class="cm" style="color: #998; font-style: italic;"> *</span></span>
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<pre style="margin: 0;">+<span id="LC228" class="line" lang="c"><span class="cm" style="color: #998; font-style: italic;"> * However, we can be a bit lax when *reading* during GC. Specifically, the GC</span></span>
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<pre style="margin: 0;">+<span id="LC229" class="line" lang="c"><span class="cm" style="color: #998; font-style: italic;"> * can only make a very limited set of changes to existing closures:</span></span>
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<pre style="margin: 0;">+<span id="LC230" class="line" lang="c"><span class="cm" style="color: #998; font-style: italic;"> *</span></span>
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<pre style="margin: 0;">+<span id="LC231" class="line" lang="c"><span class="cm" style="color: #998; font-style: italic;"> * - it can replace a closure's info table with stg_WHITEHOLE.</span></span>
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<pre style="margin: 0;">+<span id="LC232" class="line" lang="c"><span class="cm" style="color: #998; font-style: italic;"> * - it can replace a previously-whitehole'd closure's info table with a</span></span>
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<pre style="margin: 0;">+<span id="LC233" class="line" lang="c"><span class="cm" style="color: #998; font-style: italic;"> * forwarding pointer</span></span>
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<pre style="margin: 0;">+<span id="LC234" class="line" lang="c"><span class="cm" style="color: #998; font-style: italic;"> * - it can replace a previously-whitehole'd closure's info table with a</span></span>
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<pre style="margin: 0;">+<span id="LC235" class="line" lang="c"><span class="cm" style="color: #998; font-style: italic;"> * valid info table pointer (done in eval_thunk_selector)</span></span>
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<pre style="margin: 0;">+<span id="LC236" class="line" lang="c"><span class="cm" style="color: #998; font-style: italic;"> * - it can update the value of a pointer field after evacuating it</span></span>
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<pre style="margin: 0;">+<span id="LC237" class="line" lang="c"><span class="cm" style="color: #998; font-style: italic;"> *</span></span>
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<pre style="margin: 0;">+<span id="LC238" class="line" lang="c"><span class="cm" style="color: #998; font-style: italic;"> * This is quite nice since we don't need to worry about an interleaving</span></span>
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<pre style="margin: 0;">+<span id="LC239" class="line" lang="c"><span class="cm" style="color: #998; font-style: italic;"> * of writes producing an invalid state: a closure's fields remain valid after</span></span>
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<pre style="margin: 0;">+<span id="LC240" class="line" lang="c"><span class="cm" style="color: #998; font-style: italic;"> * an update of its info table pointer and vice-versa.</span></span>
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<pre style="margin: 0;">+<span id="LC241" class="line" lang="c"><span class="cm" style="color: #998; font-style: italic;"> *</span></span>
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242
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<pre style="margin: 0;">+<span id="LC242" class="line" lang="c"><span class="cm" style="color: #998; font-style: italic;"> * After a round of parallel scavenging we must also ensure that any writes the</span></span>
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<pre style="margin: 0;">+<span id="LC243" class="line" lang="c"><span class="cm" style="color: #998; font-style: italic;"> * GC thread workers made are visible to the main GC thread. This is ensured by</span></span>
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<pre style="margin: 0;">+<span id="LC244" class="line" lang="c"><span class="cm" style="color: #998; font-style: italic;"> * the full barrier implied by the atomic decrement in</span></span>
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<pre style="margin: 0;">+<span id="LC245" class="line" lang="c"><span class="cm" style="color: #998; font-style: italic;"> * GC.c:scavenge_until_all_done.</span></span>
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<pre style="margin: 0;">+<span id="LC246" class="line" lang="c"><span class="cm" style="color: #998; font-style: italic;"> *</span></span>
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<pre style="margin: 0;">+<span id="LC247" class="line" lang="c"><span class="cm" style="color: #998; font-style: italic;"> * The work-stealing queue (WSDeque) also requires barriers; these are</span></span>
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<pre style="margin: 0;">+<span id="LC248" class="line" lang="c"><span class="cm" style="color: #998; font-style: italic;"> * documented in WSDeque.c.</span></span>
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<pre style="margin: 0;"> <span id="LC249" class="line" lang="c"><span class="cm" style="color: #998; font-style: italic;"> *</span></span>
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<pre style="margin: 0;"> <span id="LC250" class="line" lang="c"><span class="cm" style="color: #998; font-style: italic;"> */</span></span>
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<pre style="margin: 0;"> <span id="LC251" class="line" lang="c"></span>
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<a href="https://gitlab.haskell.org/ghc/ghc/compare/ee6ba25b1b407a9516b55b94ea90dad176eb49ca...1ce4268e60b46551ecb24753a1eb796c9f04e601#c6ca7d2b8bb94ab0a0ee349206e12a4a65925cec"><strong>rts/Apply.cmm</strong></a>
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<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -66,7 +66,6 @@ again:</td>
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<pre style="margin: 0;"> <span id="LC66" class="line" lang="plaintext"> // Note [Heap memory barriers] in SMP.h.</span>
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<pre style="margin: 0;"> <span id="LC67" class="line" lang="plaintext"> untaggedfun = UNTAG(fun);</span>
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<pre style="margin: 0;"> <span id="LC68" class="line" lang="plaintext"> info = %INFO_PTR(untaggedfun);</span>
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<pre style="margin: 0;">-<span id="LC69" class="line" lang="plaintext"> prim_read_barrier;</span>
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<pre style="margin: 0;"> <span id="LC69" class="line" lang="plaintext"> switch [INVALID_OBJECT .. N_CLOSURE_TYPES]</span>
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<pre style="margin: 0;"> <span id="LC70" class="line" lang="plaintext"> (TO_W_( %INFO_TYPE(%STD_INFO(info)) )) {</span>
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<pre style="margin: 0;"> <span id="LC71" class="line" lang="plaintext"> case</span>
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<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -285,7 +284,6 @@ for:</td>
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<pre style="margin: 0;"> <span id="LC284" class="line" lang="plaintext"> info = %GET_FUN_INFO(UNTAG(R1));</span>
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<pre style="margin: 0;"> <span id="LC285" class="line" lang="plaintext"> W_ type;</span>
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<pre style="margin: 0;"> <span id="LC286" class="line" lang="plaintext"> type = TO_W_(StgFunInfoExtra_fun_type(info));</span>
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<pre style="margin: 0;">-<span id="LC288" class="line" lang="plaintext"> prim_read_barrier;</span>
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<pre style="margin: 0;"> <span id="LC287" class="line" lang="plaintext"> if (type == ARG_GEN) {</span>
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288
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<pre style="margin: 0;"> <span id="LC288" class="line" lang="plaintext"> jump StgFunInfoExtra_slow_apply(info) [R1];</span>
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291
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289
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<pre style="margin: 0;"> <span id="LC289" class="line" lang="plaintext"> }</span>
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<td class="diff-line-num unfold js-unfold old_line" data-linenumber="364" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">...</td>
<td class="diff-line-num unfold js-unfold new_line" data-linenumber="362" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">...</td>
<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -364,7 +362,6 @@ for:</td>
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364
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362
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<pre style="margin: 0;"> <span id="LC362" class="line" lang="plaintext"> info = %GET_FUN_INFO(UNTAG(R1));</span>
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365
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363
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<pre style="margin: 0;"> <span id="LC363" class="line" lang="plaintext"> W_ type;</span>
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366
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364
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<pre style="margin: 0;"> <span id="LC364" class="line" lang="plaintext"> type = TO_W_(StgFunInfoExtra_fun_type(info));</span>
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367
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<pre style="margin: 0;">-<span id="LC367" class="line" lang="plaintext"> prim_read_barrier;</span>
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368
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365
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<pre style="margin: 0;"> <span id="LC365" class="line" lang="plaintext"> if (type == ARG_GEN) {</span>
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369
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366
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<pre style="margin: 0;"> <span id="LC366" class="line" lang="plaintext"> jump StgFunInfoExtra_slow_apply(info) [R1];</span>
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370
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367
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<pre style="margin: 0;"> <span id="LC367" class="line" lang="plaintext"> }</span>
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<td class="diff-line-num unfold js-unfold old_line" data-linenumber="429" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">...</td>
<td class="diff-line-num unfold js-unfold new_line" data-linenumber="426" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">...</td>
<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -429,14 +426,12 @@ for:</td>
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429
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426
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<pre style="margin: 0;"> <span id="LC426" class="line" lang="plaintext"> TICK_ENT_VIA_NODE();</span>
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430
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427
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<pre style="margin: 0;"> <span id="LC427" class="line" lang="plaintext"></span>
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431
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428
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<pre style="margin: 0;"> <span id="LC428" class="line" lang="plaintext">#if defined(NO_ARG_REGS)</span>
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432
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<pre style="margin: 0;">-<span id="LC432" class="line" lang="plaintext"> prim_read_barrier;</span>
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433
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429
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<pre style="margin: 0;"> <span id="LC429" class="line" lang="plaintext"> jump %GET_ENTRY(UNTAG(R1)) [R1];</span>
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434
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430
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<pre style="margin: 0;"> <span id="LC430" class="line" lang="plaintext">#else</span>
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435
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431
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<pre style="margin: 0;"> <span id="LC431" class="line" lang="plaintext"> W_ info;</span>
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436
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432
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<pre style="margin: 0;"> <span id="LC432" class="line" lang="plaintext"> info = %GET_FUN_INFO(UNTAG(R1));</span>
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437
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433
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<pre style="margin: 0;"> <span id="LC433" class="line" lang="plaintext"> W_ type;</span>
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438
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434
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<pre style="margin: 0;"> <span id="LC434" class="line" lang="plaintext"> type = TO_W_(StgFunInfoExtra_fun_type(info));</span>
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439
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<pre style="margin: 0;">-<span id="LC439" class="line" lang="plaintext"> prim_read_barrier;</span>
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440
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435
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<pre style="margin: 0;"> <span id="LC435" class="line" lang="plaintext"> if (type == ARG_GEN) {</span>
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441
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436
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<pre style="margin: 0;"> <span id="LC436" class="line" lang="plaintext"> jump StgFunInfoExtra_slow_apply(info) [R1];</span>
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442
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437
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<pre style="margin: 0;"> <span id="LC437" class="line" lang="plaintext"> }</span>
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<a href="https://gitlab.haskell.org/ghc/ghc/compare/ee6ba25b1b407a9516b55b94ea90dad176eb49ca...1ce4268e60b46551ecb24753a1eb796c9f04e601#850b7a6f6f95faed03d3f83b3039ec0a562dfe86"><strong>rts/Compact.cmm</strong></a>
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<td class="diff-line-num unfold js-unfold old_line" data-linenumber="72" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">...</td>
<td class="diff-line-num unfold js-unfold new_line" data-linenumber="72" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">...</td>
<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -72,7 +72,6 @@ eval:</td>
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72
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<pre style="margin: 0;"> <span id="LC72" class="line" lang="plaintext"> tag = GETTAG(p);</span>
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<pre style="margin: 0;"> <span id="LC73" class="line" lang="plaintext"> p = UNTAG(p);</span>
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<pre style="margin: 0;"> <span id="LC74" class="line" lang="plaintext"> info = %INFO_PTR(p);</span>
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<pre style="margin: 0;">-<span id="LC75" class="line" lang="plaintext"> prim_read_barrier;</span>
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<pre style="margin: 0;"> <span id="LC75" class="line" lang="plaintext"> type = TO_W_(%INFO_TYPE(%STD_INFO(info)));</span>
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<pre style="margin: 0;"> <span id="LC76" class="line" lang="plaintext"></span>
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<pre style="margin: 0;"> <span id="LC77" class="line" lang="plaintext"> switch [0 .. N_CLOSURE_TYPES] type {</span>
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<a href="https://gitlab.haskell.org/ghc/ghc/compare/ee6ba25b1b407a9516b55b94ea90dad176eb49ca...1ce4268e60b46551ecb24753a1eb796c9f04e601#539d43389593f2626a387f2c904f03c215c7c802"><strong>rts/Interpreter.c</strong></a>
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<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -1529,7 +1529,6 @@ run_BCO:</td>
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<pre style="margin: 0;"> <span id="LC1529" class="line" lang="c"> <span class="kt" style="color: #458; font-weight: 600;">int</span> <span class="n" style="color: #333;">o_itbl</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">BCO_GET_LARGE_ARG</span><span class="p">;</span></span>
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<pre style="margin: 0;"> <span id="LC1530" class="line" lang="c"> <span class="kt" style="color: #458; font-weight: 600;">int</span> <span class="n" style="color: #333;">n_words</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">BCO_NEXT</span><span class="p">;</span></span>
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<pre style="margin: 0;"> <span id="LC1531" class="line" lang="c"> <span class="n" style="color: #333;">StgInfoTable</span><span class="o" style="font-weight: 600;">*</span> <span class="n" style="color: #333;">itbl</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">INFO_PTR_TO_STRUCT</span><span class="p">((</span><span class="n" style="color: #333;">StgInfoTable</span> <span class="o" style="font-weight: 600;">*</span><span class="p">)</span><span class="n" style="color: #333;">BCO_LIT</span><span class="p">(</span><span class="n" style="color: #333;">o_itbl</span><span class="p">));</span></span>
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<pre style="margin: 0;">-<span id="LC1532" class="line" lang="c"> <span class="n" style="color: #333;">load_load_barrier</span><span class="p">();</span></span>
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1533
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<pre style="margin: 0;"> <span id="LC1532" class="line" lang="c"> <span class="kt" style="color: #458; font-weight: 600;">int</span> <span class="n" style="color: #333;">request</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">CONSTR_sizeW</span><span class="p">(</span> <span class="n" style="color: #333;">itbl</span><span class="o" style="font-weight: 600;">-></span><span class="n" style="color: #333;">layout</span><span class="p">.</span><span class="n" style="color: #333;">payload</span><span class="p">.</span><span class="n" style="color: #333;">ptrs</span><span class="p">,</span></span>
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<pre style="margin: 0;"> <span id="LC1533" class="line" lang="c"> <span class="n" style="color: #333;">itbl</span><span class="o" style="font-weight: 600;">-></span><span class="n" style="color: #333;">layout</span><span class="p">.</span><span class="n" style="color: #333;">payload</span><span class="p">.</span><span class="n" style="color: #333;">nptrs</span> <span class="p">);</span></span>
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<pre style="margin: 0;"> <span id="LC1534" class="line" lang="c"> <span class="n" style="color: #333;">StgClosure</span><span class="o" style="font-weight: 600;">*</span> <span class="n" style="color: #333;">con</span> <span class="o" style="font-weight: 600;">=</span> <span class="p">(</span><span class="n" style="color: #333;">StgClosure</span><span class="o" style="font-weight: 600;">*</span><span class="p">)</span><span class="n" style="color: #333;">allocate_NONUPD</span><span class="p">(</span><span class="n" style="color: #333;">cap</span><span class="p">,</span><span class="n" style="color: #333;">request</span><span class="p">);</span></span>
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<a href="https://gitlab.haskell.org/ghc/ghc/compare/ee6ba25b1b407a9516b55b94ea90dad176eb49ca...1ce4268e60b46551ecb24753a1eb796c9f04e601#63bb2dcb45bf7982130b0b95ecf366bf1a617e82"><strong>rts/Messages.c</strong></a>
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<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -28,7 +28,6 @@ void sendMessage(Capability *from_cap, Capability *to_cap, Message *msg)</td>
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<pre style="margin: 0;"> <span id="LC28" class="line" lang="c"><span class="cp" style="color: #999; font-weight: 600;">#if defined(DEBUG)</span></span>
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<pre style="margin: 0;"> <span id="LC29" class="line" lang="c"> <span class="p">{</span></span>
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<pre style="margin: 0;"> <span id="LC30" class="line" lang="c"> <span class="k" style="font-weight: 600;">const</span> <span class="n" style="color: #333;">StgInfoTable</span> <span class="o" style="font-weight: 600;">*</span><span class="n" style="color: #333;">i</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">msg</span><span class="o" style="font-weight: 600;">-></span><span class="n" style="color: #333;">header</span><span class="p">.</span><span class="n" style="color: #333;">info</span><span class="p">;</span></span>
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<pre style="margin: 0;">-<span id="LC31" class="line" lang="c"> <span class="n" style="color: #333;">load_load_barrier</span><span class="p">();</span> <span class="c1" style="color: #998; font-style: italic;">// See Note [Heap memory barriers] in SMP.h</span></span>
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<pre style="margin: 0;"> <span id="LC31" class="line" lang="c"> <span class="k" style="font-weight: 600;">if</span> <span class="p">(</span><span class="n" style="color: #333;">i</span> <span class="o" style="font-weight: 600;">!=</span> <span class="o" style="font-weight: 600;">&</span><span class="n" style="color: #333;">stg_MSG_THROWTO_info</span> <span class="o" style="font-weight: 600;">&&</span></span>
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<pre style="margin: 0;"> <span id="LC32" class="line" lang="c"> <span class="n" style="color: #333;">i</span> <span class="o" style="font-weight: 600;">!=</span> <span class="o" style="font-weight: 600;">&</span><span class="n" style="color: #333;">stg_MSG_BLACKHOLE_info</span> <span class="o" style="font-weight: 600;">&&</span></span>
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33
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<pre style="margin: 0;"> <span id="LC33" class="line" lang="c"> <span class="n" style="color: #333;">i</span> <span class="o" style="font-weight: 600;">!=</span> <span class="o" style="font-weight: 600;">&</span><span class="n" style="color: #333;">stg_MSG_TRY_WAKEUP_info</span> <span class="o" style="font-weight: 600;">&&</span></span>
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<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -71,7 +70,6 @@ executeMessage (Capability *cap, Message *m)</td>
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71
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<pre style="margin: 0;"> <span id="LC70" class="line" lang="c"><span class="nl">loop:</span></span>
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72
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<pre style="margin: 0;"> <span id="LC71" class="line" lang="c"> <span class="n" style="color: #333;">write_barrier</span><span class="p">();</span> <span class="c1" style="color: #998; font-style: italic;">// allow m->header to be modified by another thread</span></span>
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73
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72
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<pre style="margin: 0;"> <span id="LC72" class="line" lang="c"> <span class="n" style="color: #333;">i</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">m</span><span class="o" style="font-weight: 600;">-></span><span class="n" style="color: #333;">header</span><span class="p">.</span><span class="n" style="color: #333;">info</span><span class="p">;</span></span>
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74
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<pre style="margin: 0;">-<span id="LC74" class="line" lang="c"> <span class="n" style="color: #333;">load_load_barrier</span><span class="p">();</span> <span class="c1" style="color: #998; font-style: italic;">// See Note [Heap memory barriers] in SMP.h</span></span>
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<pre style="margin: 0;"> <span id="LC73" class="line" lang="c"> <span class="k" style="font-weight: 600;">if</span> <span class="p">(</span><span class="n" style="color: #333;">i</span> <span class="o" style="font-weight: 600;">==</span> <span class="o" style="font-weight: 600;">&</span><span class="n" style="color: #333;">stg_MSG_TRY_WAKEUP_info</span><span class="p">)</span></span>
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76
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<pre style="margin: 0;"> <span id="LC74" class="line" lang="c"> <span class="p">{</span></span>
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77
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<pre style="margin: 0;"> <span id="LC75" class="line" lang="c"> <span class="n" style="color: #333;">StgTSO</span> <span class="o" style="font-weight: 600;">*</span><span class="n" style="color: #333;">tso</span> <span class="o" style="font-weight: 600;">=</span> <span class="p">((</span><span class="n" style="color: #333;">MessageWakeup</span> <span class="o" style="font-weight: 600;">*</span><span class="p">)</span><span class="n" style="color: #333;">m</span><span class="p">)</span><span class="o" style="font-weight: 600;">-></span><span class="n" style="color: #333;">tso</span><span class="p">;</span></span>
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<td class="diff-line-num unfold js-unfold new_line" data-linenumber="329" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">...</td>
<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -331,7 +329,6 @@ StgTSO * blackHoleOwner (StgClosure *bh)</td>
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331
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329
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<pre style="margin: 0;"> <span id="LC329" class="line" lang="c"> <span class="n" style="color: #333;">StgClosure</span> <span class="o" style="font-weight: 600;">*</span><span class="n" style="color: #333;">p</span><span class="p">;</span></span>
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332
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<pre style="margin: 0;"> <span id="LC330" class="line" lang="c"></span>
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<pre style="margin: 0;"> <span id="LC331" class="line" lang="c"> <span class="n" style="color: #333;">info</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">bh</span><span class="o" style="font-weight: 600;">-></span><span class="n" style="color: #333;">header</span><span class="p">.</span><span class="n" style="color: #333;">info</span><span class="p">;</span></span>
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334
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<pre style="margin: 0;">-<span id="LC334" class="line" lang="c"> <span class="n" style="color: #333;">load_load_barrier</span><span class="p">();</span> <span class="c1" style="color: #998; font-style: italic;">// XXX</span></span>
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335
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332
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<pre style="margin: 0;"> <span id="LC332" class="line" lang="c"></span>
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333
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<pre style="margin: 0;"> <span id="LC333" class="line" lang="c"> <span class="k" style="font-weight: 600;">if</span> <span class="p">(</span><span class="n" style="color: #333;">info</span> <span class="o" style="font-weight: 600;">!=</span> <span class="o" style="font-weight: 600;">&</span><span class="n" style="color: #333;">stg_BLACKHOLE_info</span> <span class="o" style="font-weight: 600;">&&</span></span>
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337
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334
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<pre style="margin: 0;"> <span id="LC334" class="line" lang="c"> <span class="n" style="color: #333;">info</span> <span class="o" style="font-weight: 600;">!=</span> <span class="o" style="font-weight: 600;">&</span><span class="n" style="color: #333;">stg_CAF_BLACKHOLE_info</span> <span class="o" style="font-weight: 600;">&&</span></span>
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<td class="diff-line-num unfold js-unfold old_line" data-linenumber="347" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">...</td>
<td class="diff-line-num unfold js-unfold new_line" data-linenumber="344" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">...</td>
<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -347,7 +344,6 @@ loop:</td>
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347
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<pre style="margin: 0;"> <span id="LC344" class="line" lang="c"> <span class="c1" style="color: #998; font-style: italic;">// and turns this into an infinite loop.</span></span>
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348
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<pre style="margin: 0;"> <span id="LC345" class="line" lang="c"> <span class="n" style="color: #333;">p</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">UNTAG_CLOSURE</span><span class="p">((</span><span class="n" style="color: #333;">StgClosure</span><span class="o" style="font-weight: 600;">*</span><span class="p">)</span><span class="n" style="color: #333;">VOLATILE_LOAD</span><span class="p">(</span><span class="o" style="font-weight: 600;">&</span><span class="p">((</span><span class="n" style="color: #333;">StgInd</span><span class="o" style="font-weight: 600;">*</span><span class="p">)</span><span class="n" style="color: #333;">bh</span><span class="p">)</span><span class="o" style="font-weight: 600;">-></span><span class="n" style="color: #333;">indirectee</span><span class="p">));</span></span>
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349
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346
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<pre style="margin: 0;"> <span id="LC346" class="line" lang="c"> <span class="n" style="color: #333;">info</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">p</span><span class="o" style="font-weight: 600;">-></span><span class="n" style="color: #333;">header</span><span class="p">.</span><span class="n" style="color: #333;">info</span><span class="p">;</span></span>
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<pre style="margin: 0;">-<span id="LC350" class="line" lang="c"> <span class="n" style="color: #333;">load_load_barrier</span><span class="p">();</span> <span class="c1" style="color: #998; font-style: italic;">// XXX</span></span>
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<pre style="margin: 0;"> <span id="LC347" class="line" lang="c"></span>
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<pre style="margin: 0;"> <span id="LC348" class="line" lang="c"> <span class="k" style="font-weight: 600;">if</span> <span class="p">(</span><span class="n" style="color: #333;">info</span> <span class="o" style="font-weight: 600;">==</span> <span class="o" style="font-weight: 600;">&</span><span class="n" style="color: #333;">stg_IND_info</span><span class="p">)</span> <span class="k" style="font-weight: 600;">goto</span> <span class="n" style="color: #333;">loop</span><span class="p">;</span></span>
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349
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<pre style="margin: 0;"> <span id="LC349" class="line" lang="c"></span>
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<a href="https://gitlab.haskell.org/ghc/ghc/compare/ee6ba25b1b407a9516b55b94ea90dad176eb49ca...1ce4268e60b46551ecb24753a1eb796c9f04e601#6db965f97cbab901f493506a385bcf1283009921"><strong>rts/PrimOps.cmm</strong></a>
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<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -1683,8 +1683,8 @@ stg_putMVarzh ( P_ mvar, /* :: MVar a */</td>
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<pre style="margin: 0;"> <span id="LC1683" class="line" lang="plaintext"> StgMVarTSOQueue_link(q) = END_TSO_QUEUE;</span>
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1684
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<pre style="margin: 0;"> <span id="LC1684" class="line" lang="plaintext"> StgMVarTSOQueue_tso(q) = CurrentTSO;</span>
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<pre style="margin: 0;"> <span id="LC1685" class="line" lang="plaintext"></span>
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<pre style="margin: 0;">-<span id="LC1686" class="line" lang="plaintext"> prim_write_barrier;</span>
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<pre style="margin: 0;"> <span id="LC1686" class="line" lang="plaintext"> SET_HDR(q, stg_MVAR_TSO_QUEUE_info, CCS_SYSTEM);</span>
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<pre style="margin: 0;">+<span id="LC1687" class="line" lang="plaintext"> prim_write_barrier;</span>
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<pre style="margin: 0;"> <span id="LC1688" class="line" lang="plaintext"></span>
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<pre style="margin: 0;"> <span id="LC1689" class="line" lang="plaintext"> if (StgMVar_head(mvar) == stg_END_TSO_QUEUE_closure) {</span>
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<pre style="margin: 0;"> <span id="LC1690" class="line" lang="plaintext"> StgMVar_head(mvar) = q;</span>
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<td class="diff-line-num unfold js-unfold new_line" data-linenumber="1876" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">...</td>
<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -1876,8 +1876,8 @@ stg_readMVarzh ( P_ mvar, /* :: MVar a */ )</td>
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<pre style="margin: 0;"> <span id="LC1876" class="line" lang="plaintext"> StgMVarTSOQueue_link(q) = StgMVar_head(mvar);</span>
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<pre style="margin: 0;"> <span id="LC1877" class="line" lang="plaintext"> StgMVarTSOQueue_tso(q) = CurrentTSO;</span>
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<pre style="margin: 0;"> <span id="LC1878" class="line" lang="plaintext"></span>
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1879
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<pre style="margin: 0;">-<span id="LC1879" class="line" lang="plaintext"> prim_write_barrier;</span>
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<pre style="margin: 0;"> <span id="LC1879" class="line" lang="plaintext"> SET_HDR(q, stg_MVAR_TSO_QUEUE_info, CCS_SYSTEM);</span>
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<pre style="margin: 0;">+<span id="LC1880" class="line" lang="plaintext"> prim_write_barrier;</span>
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<pre style="margin: 0;"> <span id="LC1881" class="line" lang="plaintext"></span>
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<pre style="margin: 0;"> <span id="LC1882" class="line" lang="plaintext"> StgTSO__link(CurrentTSO) = q;</span>
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<pre style="margin: 0;"> <span id="LC1883" class="line" lang="plaintext"> StgTSO_block_info(CurrentTSO) = mvar;</span>
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<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -1943,6 +1943,9 @@ stg_makeStableNamezh ( P_ obj )</td>
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1943
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<pre style="margin: 0;"> <span id="LC1943" class="line" lang="plaintext"> BYTES_TO_WDS(SIZEOF_StgStableName));</span>
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1944
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1944
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<pre style="margin: 0;"> <span id="LC1944" class="line" lang="plaintext"> SET_HDR(sn_obj, stg_STABLE_NAME_info, CCCS);</span>
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1945
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1945
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<pre style="margin: 0;"> <span id="LC1945" class="line" lang="plaintext"> StgStableName_sn(sn_obj) = index;</span>
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1946
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<pre style="margin: 0;">+<span id="LC1946" class="line" lang="plaintext"> // This will make the StableName# object visible to other threads;</span>
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1947
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<pre style="margin: 0;">+<span id="LC1947" class="line" lang="plaintext"> // be sure that its completely visible to other cores.</span>
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1948
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<pre style="margin: 0;">+<span id="LC1948" class="line" lang="plaintext"> // See Note [Heap memory barriers] in SMP.h.</span>
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1946
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1949
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<pre style="margin: 0;"> <span id="LC1949" class="line" lang="plaintext"> prim_write_barrier;</span>
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1947
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1950
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<pre style="margin: 0;"> <span id="LC1950" class="line" lang="plaintext"> snEntry_sn_obj(W_[stable_name_table] + index*SIZEOF_snEntry) = sn_obj;</span>
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1948
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1951
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<pre style="margin: 0;"> <span id="LC1951" class="line" lang="plaintext"> } else {</span>
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<li id="515f190a948b1d6c490c96f75a3f909580e927b0">
<a href="https://gitlab.haskell.org/ghc/ghc/compare/ee6ba25b1b407a9516b55b94ea90dad176eb49ca...1ce4268e60b46551ecb24753a1eb796c9f04e601#515f190a948b1d6c490c96f75a3f909580e927b0"><strong>rts/RaiseAsync.c</strong></a>
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<td class="diff-line-num unfold js-unfold old_line" data-linenumber="922" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">...</td>
<td class="diff-line-num unfold js-unfold new_line" data-linenumber="922" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">...</td>
<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -922,7 +922,6 @@ raiseAsync(Capability *cap, StgTSO *tso, StgClosure *exception,</td>
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922
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922
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<pre style="margin: 0;"> <span id="LC922" class="line" lang="c"> <span class="n" style="color: #333;">ap</span><span class="o" style="font-weight: 600;">-></span><span class="n" style="color: #333;">payload</span><span class="p">[</span><span class="n" style="color: #333;">i</span><span class="p">]</span> <span class="o" style="font-weight: 600;">=</span> <span class="p">(</span><span class="n" style="color: #333;">StgClosure</span> <span class="o" style="font-weight: 600;">*</span><span class="p">)</span><span class="o" style="font-weight: 600;">*</span><span class="n" style="color: #333;">sp</span><span class="o" style="font-weight: 600;">++</span><span class="p">;</span></span>
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923
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923
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<pre style="margin: 0;"> <span id="LC923" class="line" lang="c"> <span class="p">}</span></span>
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924
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924
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<pre style="margin: 0;"> <span id="LC924" class="line" lang="c"></span>
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925
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<pre style="margin: 0;">-<span id="LC925" class="line" lang="c"> <span class="n" style="color: #333;">write_barrier</span><span class="p">();</span> <span class="c1" style="color: #998; font-style: italic;">// XXX: Necessary?</span></span>
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<td class="diff-line-num old_line" data-linenumber="926" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
926
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925
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<pre style="margin: 0;"> <span id="LC925" class="line" lang="c"> <span class="n" style="color: #333;">SET_HDR</span><span class="p">(</span><span class="n" style="color: #333;">ap</span><span class="p">,</span><span class="o" style="font-weight: 600;">&</span><span class="n" style="color: #333;">stg_AP_STACK_NOUPD_info</span><span class="p">,</span><span class="n" style="color: #333;">stack</span><span class="o" style="font-weight: 600;">-></span><span class="n" style="color: #333;">header</span><span class="p">.</span><span class="n" style="color: #333;">prof</span><span class="p">.</span><span class="n" style="color: #333;">ccs</span><span class="p">);</span></span>
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927
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926
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<pre style="margin: 0;"> <span id="LC926" class="line" lang="c"> <span class="n" style="color: #333;">TICK_ALLOC_SE_THK</span><span class="p">(</span><span class="n" style="color: #333;">WDS</span><span class="p">(</span><span class="n" style="color: #333;">words</span><span class="o" style="font-weight: 600;">+</span><span class="mi" style="color: #099;">1</span><span class="p">),</span><span class="mi" style="color: #099;">0</span><span class="p">);</span></span>
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928
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927
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<pre style="margin: 0;"> <span id="LC927" class="line" lang="c"></span>
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<td class="diff-line-num unfold js-unfold old_line" data-linenumber="961" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">...</td>
<td class="diff-line-num unfold js-unfold new_line" data-linenumber="960" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">...</td>
<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -961,7 +960,6 @@ raiseAsync(Capability *cap, StgTSO *tso, StgClosure *exception,</td>
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961
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960
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<pre style="margin: 0;"> <span id="LC960" class="line" lang="c"> <span class="c1" style="color: #998; font-style: italic;">//</span></span>
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962
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961
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<pre style="margin: 0;"> <span id="LC961" class="line" lang="c"> <span class="n" style="color: #333;">raise</span> <span class="o" style="font-weight: 600;">=</span> <span class="p">(</span><span class="n" style="color: #333;">StgThunk</span> <span class="o" style="font-weight: 600;">*</span><span class="p">)</span><span class="n" style="color: #333;">allocate</span><span class="p">(</span><span class="n" style="color: #333;">cap</span><span class="p">,</span><span class="n" style="color: #333;">sizeofW</span><span class="p">(</span><span class="n" style="color: #333;">StgThunk</span><span class="p">)</span><span class="o" style="font-weight: 600;">+</span><span class="mi" style="color: #099;">1</span><span class="p">);</span></span>
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963
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962
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<pre style="margin: 0;"> <span id="LC962" class="line" lang="c"> <span class="n" style="color: #333;">TICK_ALLOC_SE_THK</span><span class="p">(</span><span class="n" style="color: #333;">WDS</span><span class="p">(</span><span class="mi" style="color: #099;">1</span><span class="p">),</span><span class="mi" style="color: #099;">0</span><span class="p">);</span></span>
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964
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<pre style="margin: 0;">-<span id="LC964" class="line" lang="c"> <span class="n" style="color: #333;">write_barrier</span><span class="p">();</span> <span class="c1" style="color: #998; font-style: italic;">// XXX: Necessary?</span></span>
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965
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963
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<pre style="margin: 0;"> <span id="LC963" class="line" lang="c"> <span class="n" style="color: #333;">SET_HDR</span><span class="p">(</span><span class="n" style="color: #333;">raise</span><span class="p">,</span><span class="o" style="font-weight: 600;">&</span><span class="n" style="color: #333;">stg_raise_info</span><span class="p">,</span><span class="n" style="color: #333;">cf</span><span class="o" style="font-weight: 600;">-></span><span class="n" style="color: #333;">header</span><span class="p">.</span><span class="n" style="color: #333;">prof</span><span class="p">.</span><span class="n" style="color: #333;">ccs</span><span class="p">);</span></span>
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964
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<pre style="margin: 0;"> <span id="LC964" class="line" lang="c"> <span class="n" style="color: #333;">raise</span><span class="o" style="font-weight: 600;">-></span><span class="n" style="color: #333;">payload</span><span class="p">[</span><span class="mi" style="color: #099;">0</span><span class="p">]</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">exception</span><span class="p">;</span></span>
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<pre style="margin: 0;"> <span id="LC965" class="line" lang="c"></span>
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<a href="https://gitlab.haskell.org/ghc/ghc/compare/ee6ba25b1b407a9516b55b94ea90dad176eb49ca...1ce4268e60b46551ecb24753a1eb796c9f04e601#6ca006a5d6dfdfdb97d0dd72db322e3f6eaa6214"><strong>rts/StgMiscClosures.cmm</strong></a>
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<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -379,7 +379,6 @@ INFO_TABLE(stg_WHITEHOLE, 0,0, WHITEHOLE, "WHITEHOLE", "WHITEHOLE")</td>
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379
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<pre style="margin: 0;"> <span id="LC379" class="line" lang="plaintext">loop:</span>
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380
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<pre style="margin: 0;"> <span id="LC380" class="line" lang="plaintext"> // spin until the WHITEHOLE is updated</span>
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381
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<pre style="margin: 0;"> <span id="LC381" class="line" lang="plaintext"> info = StgHeader_info(node);</span>
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382
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<pre style="margin: 0;">-<span id="LC382" class="line" lang="plaintext"> prim_read_barrier;</span>
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<pre style="margin: 0;"> <span id="LC382" class="line" lang="plaintext"> if (info == stg_WHITEHOLE_info) {</span>
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384
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383
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<pre style="margin: 0;"> <span id="LC383" class="line" lang="plaintext">#if defined(PROF_SPIN)</span>
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385
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<pre style="margin: 0;"> <span id="LC384" class="line" lang="plaintext"> W_[whitehole_lockClosure_spin] =</span>
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<a href="https://gitlab.haskell.org/ghc/ghc/compare/ee6ba25b1b407a9516b55b94ea90dad176eb49ca...1ce4268e60b46551ecb24753a1eb796c9f04e601#4b22b3f666af23f7c8097b32282abfd52fb6c342"><strong>rts/ThreadPaused.c</strong></a>
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<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -219,9 +219,10 @@ threadPaused(Capability *cap, StgTSO *tso)</td>
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<pre style="margin: 0;"> <span id="LC219" class="line" lang="c"></span>
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<pre style="margin: 0;"> <span id="LC220" class="line" lang="c"> <span class="n" style="color: #333;">frame</span> <span class="o" style="font-weight: 600;">=</span> <span class="p">(</span><span class="n" style="color: #333;">StgClosure</span> <span class="o" style="font-weight: 600;">*</span><span class="p">)</span><span class="n" style="color: #333;">tso</span><span class="o" style="font-weight: 600;">-></span><span class="n" style="color: #333;">stackobj</span><span class="o" style="font-weight: 600;">-></span><span class="n" style="color: #333;">sp</span><span class="p">;</span></span>
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<pre style="margin: 0;"> <span id="LC221" class="line" lang="c"></span>
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<pre style="margin: 0;">+<span id="LC222" class="line" lang="c"> <span class="c1" style="color: #998; font-style: italic;">// N.B. We know that the TSO is owned by the current capability so no</span></span>
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<pre style="margin: 0;">+<span id="LC223" class="line" lang="c"> <span class="c1" style="color: #998; font-style: italic;">// memory barriers are needed here.</span></span>
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<pre style="margin: 0;"> <span id="LC224" class="line" lang="c"> <span class="k" style="font-weight: 600;">while</span> <span class="p">((</span><span class="n" style="color: #333;">P_</span><span class="p">)</span><span class="n" style="color: #333;">frame</span> <span class="o" style="font-weight: 600;"><</span> <span class="n" style="color: #333;">stack_end</span><span class="p">)</span> <span class="p">{</span></span>
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<pre style="margin: 0;"> <span id="LC225" class="line" lang="c"> <span class="n" style="color: #333;">info</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">get_ret_itbl</span><span class="p">(</span><span class="n" style="color: #333;">frame</span><span class="p">);</span></span>
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<pre style="margin: 0;">-<span id="LC224" class="line" lang="c"> <span class="n" style="color: #333;">load_load_barrier</span><span class="p">();</span></span>
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<pre style="margin: 0;"> <span id="LC226" class="line" lang="c"></span>
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<pre style="margin: 0;"> <span id="LC227" class="line" lang="c"> <span class="k" style="font-weight: 600;">switch</span> <span class="p">(</span><span class="n" style="color: #333;">info</span><span class="o" style="font-weight: 600;">-></span><span class="n" style="color: #333;">i</span><span class="p">.</span><span class="n" style="color: #333;">type</span><span class="p">)</span> <span class="p">{</span></span>
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<pre style="margin: 0;"> <span id="LC228" class="line" lang="c"></span>
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<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -229,8 +230,6 @@ threadPaused(Capability *cap, StgTSO *tso)</td>
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<pre style="margin: 0;"> <span id="LC230" class="line" lang="c"></span>
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<pre style="margin: 0;"> <span id="LC231" class="line" lang="c"> <span class="c1" style="color: #998; font-style: italic;">// If we've already marked this frame, then stop here.</span></span>
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<pre style="margin: 0;"> <span id="LC232" class="line" lang="c"> <span class="n" style="color: #333;">frame_info</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">frame</span><span class="o" style="font-weight: 600;">-></span><span class="n" style="color: #333;">header</span><span class="p">.</span><span class="n" style="color: #333;">info</span><span class="p">;</span></span>
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<pre style="margin: 0;">-<span id="LC232" class="line" lang="c"> <span class="c1" style="color: #998; font-style: italic;">// Ensure that read from frame->updatee below sees any pending writes</span></span>
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<pre style="margin: 0;">-<span id="LC233" class="line" lang="c"> <span class="n" style="color: #333;">load_load_barrier</span><span class="p">();</span></span>
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234
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<pre style="margin: 0;"> <span id="LC233" class="line" lang="c"> <span class="k" style="font-weight: 600;">if</span> <span class="p">(</span><span class="n" style="color: #333;">frame_info</span> <span class="o" style="font-weight: 600;">==</span> <span class="p">(</span><span class="n" style="color: #333;">StgInfoTable</span> <span class="o" style="font-weight: 600;">*</span><span class="p">)</span><span class="o" style="font-weight: 600;">&</span><span class="n" style="color: #333;">stg_marked_upd_frame_info</span><span class="p">)</span> <span class="p">{</span></span>
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235
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<pre style="margin: 0;"> <span id="LC234" class="line" lang="c"> <span class="k" style="font-weight: 600;">if</span> <span class="p">(</span><span class="n" style="color: #333;">prev_was_update_frame</span><span class="p">)</span> <span class="p">{</span></span>
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236
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<pre style="margin: 0;"> <span id="LC235" class="line" lang="c"> <span class="n" style="color: #333;">words_to_squeeze</span> <span class="o" style="font-weight: 600;">+=</span> <span class="n" style="color: #333;">sizeofW</span><span class="p">(</span><span class="n" style="color: #333;">StgUpdateFrame</span><span class="p">);</span></span>
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<td class="diff-line-num unfold js-unfold new_line" data-linenumber="243" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">...</td>
<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -244,7 +243,6 @@ threadPaused(Capability *cap, StgTSO *tso)</td>
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244
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<pre style="margin: 0;"> <span id="LC243" class="line" lang="c"></span>
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<pre style="margin: 0;"> <span id="LC244" class="line" lang="c"> <span class="n" style="color: #333;">bh</span> <span class="o" style="font-weight: 600;">=</span> <span class="p">((</span><span class="n" style="color: #333;">StgUpdateFrame</span> <span class="o" style="font-weight: 600;">*</span><span class="p">)</span><span class="n" style="color: #333;">frame</span><span class="p">)</span><span class="o" style="font-weight: 600;">-></span><span class="n" style="color: #333;">updatee</span><span class="p">;</span></span>
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<pre style="margin: 0;"> <span id="LC245" class="line" lang="c"> <span class="n" style="color: #333;">bh_info</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">bh</span><span class="o" style="font-weight: 600;">-></span><span class="n" style="color: #333;">header</span><span class="p">.</span><span class="n" style="color: #333;">info</span><span class="p">;</span></span>
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247
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<pre style="margin: 0;">-<span id="LC247" class="line" lang="c"> <span class="n" style="color: #333;">load_load_barrier</span><span class="p">();</span> <span class="c1" style="color: #998; font-style: italic;">// XXX: Why is this needed?</span></span>
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<pre style="margin: 0;"> <span id="LC246" class="line" lang="c"></span>
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<pre style="margin: 0;"> <span id="LC247" class="line" lang="c"><span class="cp" style="color: #999; font-weight: 600;">#if defined(THREADED_RTS)</span></span>
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<pre style="margin: 0;"> <span id="LC248" class="line" lang="c"> <span class="nl">retry:</span></span>
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<li id="761328eae818b7bd533ac0b2feaef5c8e2355a6e">
<a href="https://gitlab.haskell.org/ghc/ghc/compare/ee6ba25b1b407a9516b55b94ea90dad176eb49ca...1ce4268e60b46551ecb24753a1eb796c9f04e601#761328eae818b7bd533ac0b2feaef5c8e2355a6e"><strong>rts/sm/Compact.c</strong></a>
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<td class="diff-line-num unfold js-unfold new_line" data-linenumber="160" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">...</td>
<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -160,7 +160,6 @@ get_threaded_info( StgPtr p )</td>
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<pre style="margin: 0;"> <span id="LC160" class="line" lang="c"> <span class="n" style="color: #333;">StgWord</span> <span class="n" style="color: #333;">q</span><span class="p">;</span></span>
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<pre style="margin: 0;"> <span id="LC161" class="line" lang="c"></span>
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<pre style="margin: 0;"> <span id="LC162" class="line" lang="c"> <span class="n" style="color: #333;">q</span> <span class="o" style="font-weight: 600;">=</span> <span class="p">(</span><span class="n" style="color: #333;">W_</span><span class="p">)</span><span class="n" style="color: #333;">GET_INFO</span><span class="p">(</span><span class="n" style="color: #333;">UNTAG_CLOSURE</span><span class="p">((</span><span class="n" style="color: #333;">StgClosure</span> <span class="o" style="font-weight: 600;">*</span><span class="p">)</span><span class="n" style="color: #333;">p</span><span class="p">));</span></span>
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<pre style="margin: 0;">-<span id="LC163" class="line" lang="c"> <span class="n" style="color: #333;">load_load_barrier</span><span class="p">();</span></span>
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<pre style="margin: 0;"> <span id="LC163" class="line" lang="c"></span>
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165
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164
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<pre style="margin: 0;"> <span id="LC164" class="line" lang="c"><span class="nl">loop:</span></span>
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166
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165
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<pre style="margin: 0;"> <span id="LC165" class="line" lang="c"> <span class="k" style="font-weight: 600;">switch</span> <span class="p">(</span><span class="n" style="color: #333;">GET_CLOSURE_TAG</span><span class="p">((</span><span class="n" style="color: #333;">StgClosure</span> <span class="o" style="font-weight: 600;">*</span><span class="p">)</span><span class="n" style="color: #333;">q</span><span class="p">))</span></span>
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<td class="diff-line-num unfold js-unfold old_line" data-linenumber="362" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">...</td>
<td class="diff-line-num unfold js-unfold new_line" data-linenumber="361" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">...</td>
<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -362,7 +361,6 @@ thread_stack(StgPtr p, StgPtr stack_end)</td>
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362
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361
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<pre style="margin: 0;"> <span id="LC361" class="line" lang="c"></span>
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363
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362
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<pre style="margin: 0;"> <span id="LC362" class="line" lang="c"> <span class="n" style="color: #333;">fun_info</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">FUN_INFO_PTR_TO_STRUCT</span><span class="p">((</span><span class="n" style="color: #333;">StgInfoTable</span> <span class="o" style="font-weight: 600;">*</span><span class="p">)</span><span class="n" style="color: #333;">UNTAG_CLOSURE</span><span class="p">((</span><span class="n" style="color: #333;">StgClosure</span> <span class="o" style="font-weight: 600;">*</span><span class="p">)</span></span>
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364
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363
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<pre style="margin: 0;"> <span id="LC363" class="line" lang="c"> <span class="n" style="color: #333;">get_threaded_info</span><span class="p">((</span><span class="n" style="color: #333;">StgPtr</span><span class="p">)</span><span class="n" style="color: #333;">ret_fun</span><span class="o" style="font-weight: 600;">-></span><span class="n" style="color: #333;">fun</span><span class="p">)));</span></span>
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365
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<pre style="margin: 0;">-<span id="LC365" class="line" lang="c"> <span class="n" style="color: #333;">load_load_barrier</span><span class="p">();</span></span>
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366
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364
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<pre style="margin: 0;"> <span id="LC364" class="line" lang="c"> <span class="c1" style="color: #998; font-style: italic;">// *before* threading it!</span></span>
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367
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365
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<pre style="margin: 0;"> <span id="LC365" class="line" lang="c"> <span class="kr" style="font-weight: 600;">thread</span><span class="p">(</span><span class="o" style="font-weight: 600;">&</span><span class="n" style="color: #333;">ret_fun</span><span class="o" style="font-weight: 600;">-></span><span class="n" style="color: #333;">fun</span><span class="p">);</span></span>
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368
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<td class="diff-line-num new_line" data-linenumber="366" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
366
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<pre style="margin: 0;"> <span id="LC366" class="line" lang="c"> <span class="n" style="color: #333;">p</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">thread_arg_block</span><span class="p">(</span><span class="n" style="color: #333;">fun_info</span><span class="p">,</span> <span class="n" style="color: #333;">ret_fun</span><span class="o" style="font-weight: 600;">-></span><span class="n" style="color: #333;">payload</span><span class="p">);</span></span>
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<td class="diff-line-num unfold js-unfold old_line" data-linenumber="385" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">...</td>
<td class="diff-line-num unfold js-unfold new_line" data-linenumber="383" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">...</td>
<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -385,7 +383,6 @@ thread_PAP_payload (StgClosure *fun, StgClosure **payload, StgWord size)</td>
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385
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383
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<pre style="margin: 0;"> <span id="LC383" class="line" lang="c"></span>
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386
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<td class="diff-line-num new_line" data-linenumber="384" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
384
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<pre style="margin: 0;"> <span id="LC384" class="line" lang="c"> <span class="n" style="color: #333;">fun_info</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">FUN_INFO_PTR_TO_STRUCT</span><span class="p">((</span><span class="n" style="color: #333;">StgInfoTable</span> <span class="o" style="font-weight: 600;">*</span><span class="p">)</span><span class="n" style="color: #333;">UNTAG_CLOSURE</span><span class="p">((</span><span class="n" style="color: #333;">StgClosure</span> <span class="o" style="font-weight: 600;">*</span><span class="p">)</span></span>
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387
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<td class="diff-line-num new_line" data-linenumber="385" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
385
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<pre style="margin: 0;"> <span id="LC385" class="line" lang="c"> <span class="n" style="color: #333;">get_threaded_info</span><span class="p">((</span><span class="n" style="color: #333;">StgPtr</span><span class="p">)</span><span class="n" style="color: #333;">fun</span><span class="p">)));</span></span>
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388
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<td class="diff-line-num new_line old" data-linenumber="386" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
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<pre style="margin: 0;">-<span id="LC388" class="line" lang="c"> <span class="n" style="color: #333;">load_load_barrier</span><span class="p">();</span></span>
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<td class="diff-line-num old_line" data-linenumber="389" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
389
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<td class="diff-line-num new_line" data-linenumber="386" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
386
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<pre style="margin: 0;"> <span id="LC386" class="line" lang="c"> <span class="n" style="color: #333;">ASSERT</span><span class="p">(</span><span class="n" style="color: #333;">fun_info</span><span class="o" style="font-weight: 600;">-></span><span class="n" style="color: #333;">i</span><span class="p">.</span><span class="n" style="color: #333;">type</span> <span class="o" style="font-weight: 600;">!=</span> <span class="n" style="color: #333;">PAP</span><span class="p">);</span></span>
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<td class="diff-line-num old_line" data-linenumber="390" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
390
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387
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<pre style="margin: 0;"> <span id="LC387" class="line" lang="c"></span>
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391
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388
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<pre style="margin: 0;"> <span id="LC388" class="line" lang="c"> <span class="n" style="color: #333;">p</span> <span class="o" style="font-weight: 600;">=</span> <span class="p">(</span><span class="n" style="color: #333;">StgPtr</span><span class="p">)</span><span class="n" style="color: #333;">payload</span><span class="p">;</span></span>
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<td class="diff-line-num unfold js-unfold old_line" data-linenumber="826" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">...</td>
<td class="diff-line-num unfold js-unfold new_line" data-linenumber="823" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">...</td>
<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -826,7 +823,6 @@ update_fwd_compact( bdescr *blocks )</td>
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826
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823
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<pre style="margin: 0;"> <span id="LC823" class="line" lang="c"> <span class="c1" style="color: #998; font-style: italic;">// definitely have enough room. Also see bug #1147.</span></span>
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<td class="diff-line-num old_line" data-linenumber="827" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
827
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824
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<pre style="margin: 0;"> <span id="LC824" class="line" lang="c"> <span class="n" style="color: #333;">iptr</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">get_threaded_info</span><span class="p">(</span><span class="n" style="color: #333;">p</span><span class="p">);</span></span>
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828
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825
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<pre style="margin: 0;"> <span id="LC825" class="line" lang="c"> <span class="n" style="color: #333;">info</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">INFO_PTR_TO_STRUCT</span><span class="p">((</span><span class="n" style="color: #333;">StgInfoTable</span> <span class="o" style="font-weight: 600;">*</span><span class="p">)</span><span class="n" style="color: #333;">UNTAG_CLOSURE</span><span class="p">((</span><span class="n" style="color: #333;">StgClosure</span> <span class="o" style="font-weight: 600;">*</span><span class="p">)</span><span class="n" style="color: #333;">iptr</span><span class="p">));</span></span>
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<pre style="margin: 0;">-<span id="LC829" class="line" lang="c"> <span class="n" style="color: #333;">load_load_barrier</span><span class="p">();</span></span>
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826
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<pre style="margin: 0;"> <span id="LC826" class="line" lang="c"></span>
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827
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<pre style="margin: 0;"> <span id="LC827" class="line" lang="c"> <span class="n" style="color: #333;">q</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">p</span><span class="p">;</span></span>
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832
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828
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<pre style="margin: 0;"> <span id="LC828" class="line" lang="c"></span>
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<li id="37a93df244a7789fddf557443b6398d06763e9cc">
<a href="https://gitlab.haskell.org/ghc/ghc/compare/ee6ba25b1b407a9516b55b94ea90dad176eb49ca...1ce4268e60b46551ecb24753a1eb796c9f04e601#37a93df244a7789fddf557443b6398d06763e9cc"><strong>rts/sm/Evac.c</strong></a>
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<td class="diff-line-num unfold js-unfold old_line" data-linenumber="111" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">...</td>
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<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -111,7 +111,6 @@ copy_tag(StgClosure **p, const StgInfoTable *info,</td>
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111
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<pre style="margin: 0;"> <span id="LC111" class="line" lang="c"> <span class="p">{</span></span>
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112
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112
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<pre style="margin: 0;"> <span id="LC112" class="line" lang="c"> <span class="k" style="font-weight: 600;">const</span> <span class="n" style="color: #333;">StgInfoTable</span> <span class="o" style="font-weight: 600;">*</span><span class="n" style="color: #333;">new_info</span><span class="p">;</span></span>
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113
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113
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<pre style="margin: 0;"> <span id="LC113" class="line" lang="c"> <span class="n" style="color: #333;">new_info</span> <span class="o" style="font-weight: 600;">=</span> <span class="p">(</span><span class="k" style="font-weight: 600;">const</span> <span class="n" style="color: #333;">StgInfoTable</span> <span class="o" style="font-weight: 600;">*</span><span class="p">)</span><span class="n" style="color: #333;">cas</span><span class="p">((</span><span class="n" style="color: #333;">StgPtr</span><span class="p">)</span><span class="o" style="font-weight: 600;">&</span><span class="n" style="color: #333;">src</span><span class="o" style="font-weight: 600;">-></span><span class="n" style="color: #333;">header</span><span class="p">.</span><span class="n" style="color: #333;">info</span><span class="p">,</span> <span class="p">(</span><span class="n" style="color: #333;">W_</span><span class="p">)</span><span class="n" style="color: #333;">info</span><span class="p">,</span> <span class="n" style="color: #333;">MK_FORWARDING_PTR</span><span class="p">(</span><span class="n" style="color: #333;">to</span><span class="p">));</span></span>
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<pre style="margin: 0;">-<span id="LC114" class="line" lang="c"> <span class="n" style="color: #333;">load_load_barrier</span><span class="p">();</span></span>
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115
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114
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<pre style="margin: 0;"> <span id="LC114" class="line" lang="c"> <span class="k" style="font-weight: 600;">if</span> <span class="p">(</span><span class="n" style="color: #333;">new_info</span> <span class="o" style="font-weight: 600;">!=</span> <span class="n" style="color: #333;">info</span><span class="p">)</span> <span class="p">{</span></span>
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116
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115
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<pre style="margin: 0;"> <span id="LC115" class="line" lang="c"><span class="cp" style="color: #999; font-weight: 600;">#if defined(PROFILING)</span></span>
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<pre style="margin: 0;"> <span id="LC116" class="line" lang="c"> <span class="c1" style="color: #998; font-style: italic;">// We copied this object at the same time as another</span></span>
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<td class="diff-line-num unfold js-unfold old_line" data-linenumber="195" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">...</td>
<td class="diff-line-num unfold js-unfold new_line" data-linenumber="194" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">...</td>
<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -195,7 +194,7 @@ spin:</td>
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195
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194
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<pre style="margin: 0;"> <span id="LC194" class="line" lang="c"> <span class="k" style="font-weight: 600;">if</span> <span class="p">(</span><span class="n" style="color: #333;">info</span> <span class="o" style="font-weight: 600;">==</span> <span class="p">(</span><span class="n" style="color: #333;">W_</span><span class="p">)</span><span class="o" style="font-weight: 600;">&</span><span class="n" style="color: #333;">stg_WHITEHOLE_info</span><span class="p">)</span> <span class="p">{</span></span>
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196
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195
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<pre style="margin: 0;"> <span id="LC195" class="line" lang="c"><span class="cp" style="color: #999; font-weight: 600;">#if defined(PROF_SPIN)</span></span>
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197
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196
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<pre style="margin: 0;"> <span id="LC196" class="line" lang="c"> <span class="n" style="color: #333;">whitehole_gc_spin</span><span class="o" style="font-weight: 600;">++</span><span class="p">;</span></span>
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198
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<pre style="margin: 0;">-<span id="LC198" class="line" lang="c"><span class="cp" style="color: #999; font-weight: 600;">#endif</span></span>
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197
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<pre style="margin: 0;">+<span id="LC197" class="line" lang="c"><span class="cp" style="color: #999; font-weight: 600;">#endif<span class="idiff left"> </span></span><span class="cm" style="color: #998; font-style: italic;"><span class="idiff right">/* PROF_SPIN */</span></span></span>
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199
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198
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<pre style="margin: 0;"> <span id="LC198" class="line" lang="c"> <span class="n" style="color: #333;">busy_wait_nop</span><span class="p">();</span></span>
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200
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199
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<pre style="margin: 0;"> <span id="LC199" class="line" lang="c"> <span class="k" style="font-weight: 600;">goto</span> <span class="n" style="color: #333;">spin</span><span class="p">;</span></span>
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201
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200
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<pre style="margin: 0;"> <span id="LC200" class="line" lang="c"> <span class="p">}</span></span>
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<td class="diff-line-num unfold js-unfold old_line" data-linenumber="206" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">...</td>
<td class="diff-line-num unfold js-unfold new_line" data-linenumber="205" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">...</td>
<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -206,8 +205,7 @@ spin:</td>
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<pre style="margin: 0;"> <span id="LC205" class="line" lang="c"> <span class="p">}</span></span>
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207
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<pre style="margin: 0;"> <span id="LC206" class="line" lang="c"><span class="cp" style="color: #999; font-weight: 600;">#else</span></span>
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208
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<pre style="margin: 0;"> <span id="LC207" class="line" lang="c"> <span class="n" style="color: #333;">info</span> <span class="o" style="font-weight: 600;">=</span> <span class="p">(</span><span class="n" style="color: #333;">W_</span><span class="p">)</span><span class="n" style="color: #333;">src</span><span class="o" style="font-weight: 600;">-></span><span class="n" style="color: #333;">header</span><span class="p">.</span><span class="n" style="color: #333;">info</span><span class="p">;</span></span>
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209
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<pre style="margin: 0;">-<span id="LC209" class="line" lang="c"> <span class="n" style="color: #333;">load_load_barrier</span><span class="p">();</span></span>
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210
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<pre style="margin: 0;">-<span id="LC210" class="line" lang="c"><span class="cp" style="color: #999; font-weight: 600;">#endif</span></span>
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<pre style="margin: 0;">+<span id="LC208" class="line" lang="c"><span class="cp" style="color: #999; font-weight: 600;">#endif </span><span class="cm" style="color: #998; font-style: italic;">/* PARALLEL_GC */</span></span>
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211
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209
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<pre style="margin: 0;"> <span id="LC209" class="line" lang="c"></span>
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212
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210
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<pre style="margin: 0;"> <span id="LC210" class="line" lang="c"> <span class="n" style="color: #333;">to</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">alloc_for_copy</span><span class="p">(</span><span class="n" style="color: #333;">size_to_reserve</span><span class="p">,</span> <span class="n" style="color: #333;">gen_no</span><span class="p">);</span></span>
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213
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211
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<pre style="margin: 0;"> <span id="LC211" class="line" lang="c"></span>
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<td class="diff-line-num unfold js-unfold old_line" data-linenumber="612" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">...</td>
<td class="diff-line-num unfold js-unfold new_line" data-linenumber="610" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">...</td>
<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -612,7 +610,6 @@ loop:</td>
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612
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610
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<pre style="margin: 0;"> <span id="LC610" class="line" lang="c"> <span class="n" style="color: #333;">gen_no</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">bd</span><span class="o" style="font-weight: 600;">-></span><span class="n" style="color: #333;">dest_no</span><span class="p">;</span></span>
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613
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611
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<pre style="margin: 0;"> <span id="LC611" class="line" lang="c"></span>
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614
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612
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<pre style="margin: 0;"> <span id="LC612" class="line" lang="c"> <span class="n" style="color: #333;">info</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">q</span><span class="o" style="font-weight: 600;">-></span><span class="n" style="color: #333;">header</span><span class="p">.</span><span class="n" style="color: #333;">info</span><span class="p">;</span></span>
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615
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<pre style="margin: 0;">-<span id="LC615" class="line" lang="c"> <span class="n" style="color: #333;">load_load_barrier</span><span class="p">();</span></span>
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616
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613
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<pre style="margin: 0;"> <span id="LC613" class="line" lang="c"> <span class="k" style="font-weight: 600;">if</span> <span class="p">(</span><span class="n" style="color: #333;">IS_FORWARDING_PTR</span><span class="p">(</span><span class="n" style="color: #333;">info</span><span class="p">))</span></span>
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617
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614
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<pre style="margin: 0;"> <span id="LC614" class="line" lang="c"> <span class="p">{</span></span>
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618
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615
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<pre style="margin: 0;"> <span id="LC615" class="line" lang="c"> <span class="cm" style="color: #998; font-style: italic;">/* Already evacuated, just return the forwarding address.</span></span>
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<td class="diff-line-num unfold js-unfold old_line" data-linenumber="723" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">...</td>
<td class="diff-line-num unfold js-unfold new_line" data-linenumber="720" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">...</td>
<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -723,14 +720,11 @@ loop:</td>
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723
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720
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<pre style="margin: 0;"> <span id="LC720" class="line" lang="c"> <span class="n" style="color: #333;">StgClosure</span> <span class="o" style="font-weight: 600;">*</span><span class="n" style="color: #333;">r</span><span class="p">;</span></span>
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724
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721
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<pre style="margin: 0;"> <span id="LC721" class="line" lang="c"> <span class="k" style="font-weight: 600;">const</span> <span class="n" style="color: #333;">StgInfoTable</span> <span class="o" style="font-weight: 600;">*</span><span class="n" style="color: #333;">i</span><span class="p">;</span></span>
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725
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<td class="diff-line-num new_line" data-linenumber="722" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
722
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<pre style="margin: 0;"> <span id="LC722" class="line" lang="c"> <span class="n" style="color: #333;">r</span> <span class="o" style="font-weight: 600;">=</span> <span class="p">((</span><span class="n" style="color: #333;">StgInd</span><span class="o" style="font-weight: 600;">*</span><span class="p">)</span><span class="n" style="color: #333;">q</span><span class="p">)</span><span class="o" style="font-weight: 600;">-></span><span class="n" style="color: #333;">indirectee</span><span class="p">;</span></span>
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726
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<pre style="margin: 0;">-<span id="LC726" class="line" lang="c"> <span class="n" style="color: #333;">load_load_barrier</span><span class="p">();</span></span>
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727
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723
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<pre style="margin: 0;"> <span id="LC723" class="line" lang="c"> <span class="k" style="font-weight: 600;">if</span> <span class="p">(</span><span class="n" style="color: #333;">GET_CLOSURE_TAG</span><span class="p">(</span><span class="n" style="color: #333;">r</span><span class="p">)</span> <span class="o" style="font-weight: 600;">==</span> <span class="mi" style="color: #099;">0</span><span class="p">)</span> <span class="p">{</span></span>
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728
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<td class="diff-line-num new_line" data-linenumber="724" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
724
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<pre style="margin: 0;"> <span id="LC724" class="line" lang="c"> <span class="n" style="color: #333;">i</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">r</span><span class="o" style="font-weight: 600;">-></span><span class="n" style="color: #333;">header</span><span class="p">.</span><span class="n" style="color: #333;">info</span><span class="p">;</span></span>
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<td class="diff-line-num old old_line" data-linenumber="729" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
729
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<td class="diff-line-num new_line old" data-linenumber="725" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
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<pre style="margin: 0;">-<span id="LC729" class="line" lang="c"> <span class="n" style="color: #333;">load_load_barrier</span><span class="p">();</span></span>
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730
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<td class="diff-line-num new_line" data-linenumber="725" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
725
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<pre style="margin: 0;"> <span id="LC725" class="line" lang="c"> <span class="k" style="font-weight: 600;">if</span> <span class="p">(</span><span class="n" style="color: #333;">IS_FORWARDING_PTR</span><span class="p">(</span><span class="n" style="color: #333;">i</span><span class="p">))</span> <span class="p">{</span></span>
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<td class="diff-line-num old_line" data-linenumber="731" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
731
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<td class="diff-line-num new_line" data-linenumber="726" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
726
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<pre style="margin: 0;"> <span id="LC726" class="line" lang="c"> <span class="n" style="color: #333;">r</span> <span class="o" style="font-weight: 600;">=</span> <span class="p">(</span><span class="n" style="color: #333;">StgClosure</span> <span class="o" style="font-weight: 600;">*</span><span class="p">)</span><span class="n" style="color: #333;">UN_FORWARDING_PTR</span><span class="p">(</span><span class="n" style="color: #333;">i</span><span class="p">);</span></span>
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<td class="diff-line-num old_line" data-linenumber="732" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
732
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<td class="diff-line-num new_line" data-linenumber="727" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
727
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<pre style="margin: 0;"> <span id="LC727" class="line" lang="c"> <span class="n" style="color: #333;">i</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">r</span><span class="o" style="font-weight: 600;">-></span><span class="n" style="color: #333;">header</span><span class="p">.</span><span class="n" style="color: #333;">info</span><span class="p">;</span></span>
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733
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<pre style="margin: 0;">-<span id="LC733" class="line" lang="c"> <span class="n" style="color: #333;">load_load_barrier</span><span class="p">();</span></span>
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<td class="diff-line-num old_line" data-linenumber="734" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
734
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<td class="diff-line-num new_line" data-linenumber="728" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
728
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<pre style="margin: 0;"> <span id="LC728" class="line" lang="c"> <span class="p">}</span></span>
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<td class="diff-line-num old_line" data-linenumber="735" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
735
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729
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<pre style="margin: 0;"> <span id="LC729" class="line" lang="c"> <span class="k" style="font-weight: 600;">if</span> <span class="p">(</span><span class="n" style="color: #333;">i</span> <span class="o" style="font-weight: 600;">==</span> <span class="o" style="font-weight: 600;">&</span><span class="n" style="color: #333;">stg_TSO_info</span></span>
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<td class="diff-line-num old_line" data-linenumber="736" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
736
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<td class="diff-line-num new_line" data-linenumber="730" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
730
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<pre style="margin: 0;"> <span id="LC730" class="line" lang="c"> <span class="o" style="font-weight: 600;">||</span> <span class="n" style="color: #333;">i</span> <span class="o" style="font-weight: 600;">==</span> <span class="o" style="font-weight: 600;">&</span><span class="n" style="color: #333;">stg_WHITEHOLE_info</span></span>
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<td class="diff-line-num unfold js-unfold old_line" data-linenumber="923" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">...</td>
<td class="diff-line-num unfold js-unfold new_line" data-linenumber="917" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">...</td>
<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -923,7 +917,6 @@ evacuate_BLACKHOLE(StgClosure **p)</td>
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923
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917
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<pre style="margin: 0;"> <span id="LC917" class="line" lang="c"> <span class="p">}</span></span>
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<td class="diff-line-num old_line" data-linenumber="924" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
924
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<td class="diff-line-num new_line" data-linenumber="918" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
918
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<pre style="margin: 0;"> <span id="LC918" class="line" lang="c"> <span class="n" style="color: #333;">gen_no</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">bd</span><span class="o" style="font-weight: 600;">-></span><span class="n" style="color: #333;">dest_no</span><span class="p">;</span></span>
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<td class="diff-line-num old_line" data-linenumber="925" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
925
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<td class="diff-line-num new_line" data-linenumber="919" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
919
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<pre style="margin: 0;"> <span id="LC919" class="line" lang="c"> <span class="n" style="color: #333;">info</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">q</span><span class="o" style="font-weight: 600;">-></span><span class="n" style="color: #333;">header</span><span class="p">.</span><span class="n" style="color: #333;">info</span><span class="p">;</span></span>
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926
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<pre style="margin: 0;">-<span id="LC926" class="line" lang="c"> <span class="n" style="color: #333;">load_load_barrier</span><span class="p">();</span></span>
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927
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<td class="diff-line-num new_line" data-linenumber="920" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
920
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<pre style="margin: 0;"> <span id="LC920" class="line" lang="c"> <span class="k" style="font-weight: 600;">if</span> <span class="p">(</span><span class="n" style="color: #333;">IS_FORWARDING_PTR</span><span class="p">(</span><span class="n" style="color: #333;">info</span><span class="p">))</span></span>
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<td class="diff-line-num old_line" data-linenumber="928" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
928
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921
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<pre style="margin: 0;"> <span id="LC921" class="line" lang="c"> <span class="p">{</span></span>
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<td class="diff-line-num old_line" data-linenumber="929" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
929
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<td class="diff-line-num new_line" data-linenumber="922" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
922
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<pre style="margin: 0;"> <span id="LC922" class="line" lang="c"> <span class="n" style="color: #333;">StgClosure</span> <span class="o" style="font-weight: 600;">*</span><span class="n" style="color: #333;">e</span> <span class="o" style="font-weight: 600;">=</span> <span class="p">(</span><span class="n" style="color: #333;">StgClosure</span><span class="o" style="font-weight: 600;">*</span><span class="p">)</span><span class="n" style="color: #333;">UN_FORWARDING_PTR</span><span class="p">(</span><span class="n" style="color: #333;">info</span><span class="p">);</span></span>
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<td class="diff-line-num unfold js-unfold old_line" data-linenumber="1116" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">...</td>
<td class="diff-line-num unfold js-unfold new_line" data-linenumber="1109" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">...</td>
<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -1116,9 +1109,8 @@ selector_chain:</td>
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<td class="diff-line-num old_line" data-linenumber="1116" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1116
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1109
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<pre style="margin: 0;"> <span id="LC1109" class="line" lang="c"><span class="cp" style="color: #999; font-weight: 600;">#else</span></span>
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<td class="diff-line-num old_line" data-linenumber="1117" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1117
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<td class="diff-line-num new_line" data-linenumber="1110" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1110
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<pre style="margin: 0;"> <span id="LC1110" class="line" lang="c"> <span class="c1" style="color: #998; font-style: italic;">// Save the real info pointer (NOTE: not the same as get_itbl()).</span></span>
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<td class="diff-line-num old_line" data-linenumber="1118" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1118
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<td class="diff-line-num new_line" data-linenumber="1111" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1111
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<pre style="margin: 0;"> <span id="LC1111" class="line" lang="c"> <span class="n" style="color: #333;">info_ptr</span> <span class="o" style="font-weight: 600;">=</span> <span class="p">(</span><span class="n" style="color: #333;">StgWord</span><span class="p">)</span><span class="n" style="color: #333;">p</span><span class="o" style="font-weight: 600;">-></span><span class="n" style="color: #333;">header</span><span class="p">.</span><span class="n" style="color: #333;">info</span><span class="p">;</span></span>
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1119
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<pre style="margin: 0;">-<span id="LC1119" class="line" lang="c"> <span class="n" style="color: #333;">load_load_barrier</span><span class="p">();</span></span>
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1120
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1112
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<pre style="margin: 0;"> <span id="LC1112" class="line" lang="c"> <span class="n" style="color: #333;">SET_INFO</span><span class="p">((</span><span class="n" style="color: #333;">StgClosure</span> <span class="o" style="font-weight: 600;">*</span><span class="p">)</span><span class="n" style="color: #333;">p</span><span class="p">,</span><span class="o" style="font-weight: 600;">&</span><span class="n" style="color: #333;">stg_WHITEHOLE_info</span><span class="p">);</span></span>
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<td class="diff-line-num old old_line" data-linenumber="1121" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
1121
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<td class="diff-line-num new_line old" data-linenumber="1113" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
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<pre style="margin: 0;">-<span id="LC1121" class="line" lang="c"><span class="cp" style="color: #999; font-weight: 600;">#endif</span></span>
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<td class="diff-line-num new old_line" data-linenumber="1122" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
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<td class="diff-line-num new new_line" data-linenumber="1113" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
1113
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<pre style="margin: 0;">+<span id="LC1113" class="line" lang="c"><span class="cp" style="color: #999; font-weight: 600;">#endif<span class="idiff left"> </span></span><span class="cm" style="color: #998; font-style: italic;"><span class="idiff right">/* THREADED_RTS */</span></span></span>
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1122
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<td class="diff-line-num new_line" data-linenumber="1114" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1114
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<pre style="margin: 0;"> <span id="LC1114" class="line" lang="c"></span>
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<td class="diff-line-num old_line" data-linenumber="1123" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1123
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<td class="diff-line-num new_line" data-linenumber="1115" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1115
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<pre style="margin: 0;"> <span id="LC1115" class="line" lang="c"> <span class="n" style="color: #333;">field</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">INFO_PTR_TO_STRUCT</span><span class="p">((</span><span class="n" style="color: #333;">StgInfoTable</span> <span class="o" style="font-weight: 600;">*</span><span class="p">)</span><span class="n" style="color: #333;">info_ptr</span><span class="p">)</span><span class="o" style="font-weight: 600;">-></span><span class="n" style="color: #333;">layout</span><span class="p">.</span><span class="n" style="color: #333;">selector_offset</span><span class="p">;</span></span>
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<td class="diff-line-num old_line" data-linenumber="1124" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1124
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<td class="diff-line-num new_line" data-linenumber="1116" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1116
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<pre style="margin: 0;"> <span id="LC1116" class="line" lang="c"></span>
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<td class="diff-line-num unfold js-unfold old_line" data-linenumber="1135" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">...</td>
<td class="diff-line-num unfold js-unfold new_line" data-linenumber="1127" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">...</td>
<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -1135,7 +1127,6 @@ selector_loop:</td>
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<td class="diff-line-num old_line" data-linenumber="1135" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1135
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<td class="diff-line-num new_line" data-linenumber="1127" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1127
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<pre style="margin: 0;"> <span id="LC1127" class="line" lang="c"> <span class="c1" style="color: #998; font-style: italic;">// that evacuate() doesn't mind if it gets passed a to-space pointer.</span></span>
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<td class="diff-line-num old_line" data-linenumber="1136" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1136
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<td class="diff-line-num new_line" data-linenumber="1128" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1128
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<pre style="margin: 0;"> <span id="LC1128" class="line" lang="c"></span>
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<td class="diff-line-num old_line" data-linenumber="1137" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1137
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<td class="diff-line-num new_line" data-linenumber="1129" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1129
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<pre style="margin: 0;"> <span id="LC1129" class="line" lang="c"> <span class="n" style="color: #333;">info</span> <span class="o" style="font-weight: 600;">=</span> <span class="p">(</span><span class="n" style="color: #333;">StgInfoTable</span><span class="o" style="font-weight: 600;">*</span><span class="p">)</span><span class="n" style="color: #333;">selectee</span><span class="o" style="font-weight: 600;">-></span><span class="n" style="color: #333;">header</span><span class="p">.</span><span class="n" style="color: #333;">info</span><span class="p">;</span></span>
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<td class="diff-line-num old old_line" data-linenumber="1138" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
1138
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<td class="diff-line-num new_line old" data-linenumber="1130" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
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<pre style="margin: 0;">-<span id="LC1138" class="line" lang="c"> <span class="n" style="color: #333;">load_load_barrier</span><span class="p">();</span></span>
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<td class="diff-line-num old_line" data-linenumber="1139" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1139
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<td class="diff-line-num new_line" data-linenumber="1130" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1130
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<pre style="margin: 0;"> <span id="LC1130" class="line" lang="c"></span>
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<td class="diff-line-num old_line" data-linenumber="1140" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1140
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<td class="diff-line-num new_line" data-linenumber="1131" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1131
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<pre style="margin: 0;"> <span id="LC1131" class="line" lang="c"> <span class="k" style="font-weight: 600;">if</span> <span class="p">(</span><span class="n" style="color: #333;">IS_FORWARDING_PTR</span><span class="p">(</span><span class="n" style="color: #333;">info</span><span class="p">))</span> <span class="p">{</span></span>
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<td class="diff-line-num old_line" data-linenumber="1141" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1141
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<td class="diff-line-num new_line" data-linenumber="1132" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1132
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<pre style="margin: 0;"> <span id="LC1132" class="line" lang="c"> <span class="c1" style="color: #998; font-style: italic;">// We don't follow pointers into to-space; the constructor</span></span>
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<td class="diff-line-num unfold js-unfold old_line" data-linenumber="1145" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">...</td>
<td class="diff-line-num unfold js-unfold new_line" data-linenumber="1136" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">...</td>
<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -1145,7 +1136,6 @@ selector_loop:</td>
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<td class="diff-line-num old_line" data-linenumber="1145" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1145
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1136
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<pre style="margin: 0;"> <span id="LC1136" class="line" lang="c"> <span class="p">}</span></span>
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<td class="diff-line-num old_line" data-linenumber="1146" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1146
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<td class="diff-line-num new_line" data-linenumber="1137" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1137
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<pre style="margin: 0;"> <span id="LC1137" class="line" lang="c"></span>
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<td class="diff-line-num old_line" data-linenumber="1147" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1147
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<td class="diff-line-num new_line" data-linenumber="1138" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1138
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<pre style="margin: 0;"> <span id="LC1138" class="line" lang="c"> <span class="n" style="color: #333;">info</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">INFO_PTR_TO_STRUCT</span><span class="p">(</span><span class="n" style="color: #333;">info</span><span class="p">);</span></span>
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<td class="diff-line-num old old_line" data-linenumber="1148" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
1148
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<td class="diff-line-num new_line old" data-linenumber="1139" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
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<pre style="margin: 0;">-<span id="LC1148" class="line" lang="c"> <span class="n" style="color: #333;">load_load_barrier</span><span class="p">();</span></span>
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<td class="diff-line-num old_line" data-linenumber="1149" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1149
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<td class="diff-line-num new_line" data-linenumber="1139" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1139
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<pre style="margin: 0;"> <span id="LC1139" class="line" lang="c"> <span class="k" style="font-weight: 600;">switch</span> <span class="p">(</span><span class="n" style="color: #333;">info</span><span class="o" style="font-weight: 600;">-></span><span class="n" style="color: #333;">type</span><span class="p">)</span> <span class="p">{</span></span>
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<td class="diff-line-num old_line" data-linenumber="1150" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1150
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<td class="diff-line-num new_line" data-linenumber="1140" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1140
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<pre style="margin: 0;"> <span id="LC1140" class="line" lang="c"> <span class="k" style="font-weight: 600;">case</span> <span class="n" style="color: #333;">WHITEHOLE</span><span class="p">:</span></span>
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<td class="diff-line-num old_line" data-linenumber="1151" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1151
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<td class="diff-line-num new_line" data-linenumber="1141" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1141
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<pre style="margin: 0;"> <span id="LC1141" class="line" lang="c"> <span class="k" style="font-weight: 600;">goto</span> <span class="n" style="color: #333;">bale_out</span><span class="p">;</span> <span class="c1" style="color: #998; font-style: italic;">// about to be evacuated by another thread (or a loop).</span></span>
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<td class="diff-line-num unfold js-unfold old_line" data-linenumber="1177" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">...</td>
<td class="diff-line-num unfold js-unfold new_line" data-linenumber="1167" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">...</td>
<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -1177,6 +1167,9 @@ selector_loop:</td>
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1177
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1167
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<pre style="margin: 0;"> <span id="LC1167" class="line" lang="c"> <span class="n" style="color: #333;">OVERWRITING_CLOSURE</span><span class="p">((</span><span class="n" style="color: #333;">StgClosure</span><span class="o" style="font-weight: 600;">*</span><span class="p">)</span><span class="n" style="color: #333;">p</span><span class="p">);</span></span>
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<td class="diff-line-num old_line" data-linenumber="1178" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1178
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<td class="diff-line-num new_line" data-linenumber="1168" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1168
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<pre style="margin: 0;"> <span id="LC1168" class="line" lang="c"> <span class="n" style="color: #333;">SET_INFO</span><span class="p">((</span><span class="n" style="color: #333;">StgClosure</span><span class="o" style="font-weight: 600;">*</span><span class="p">)</span><span class="n" style="color: #333;">p</span><span class="p">,</span> <span class="o" style="font-weight: 600;">&</span><span class="n" style="color: #333;">stg_WHITEHOLE_info</span><span class="p">);</span></span>
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<td class="diff-line-num old_line" data-linenumber="1179" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1179
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<td class="diff-line-num new_line" data-linenumber="1169" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1169
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<pre style="margin: 0;"> <span id="LC1169" class="line" lang="c"> <span class="n" style="color: #333;">write_barrier</span><span class="p">();</span></span>
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<td class="diff-line-num new old_line" data-linenumber="1180" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
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<td class="diff-line-num new new_line" data-linenumber="1170" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
1170
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<pre style="margin: 0;">+<span id="LC1170" class="line" lang="c"><span class="cp" style="color: #999; font-weight: 600;">#if defined(PARALLEL_GC)</span></span>
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<td class="diff-line-num new old_line" data-linenumber="1180" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
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<td class="diff-line-num new new_line" data-linenumber="1171" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
1171
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<pre style="margin: 0;">+<span id="LC1171" class="line" lang="c"> <span class="n" style="color: #333;">abort</span><span class="p">();</span> <span class="c1" style="color: #998; font-style: italic;">// LDV is incompatible with parallel GC</span></span>
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<td class="diff-line-num new old_line" data-linenumber="1180" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
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<td class="diff-line-num new new_line" data-linenumber="1172" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #c7f0d2; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#ddfbe6">
1172
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<pre style="margin: 0;">+<span id="LC1172" class="line" lang="c"><span class="cp" style="color: #999; font-weight: 600;">#endif</span></span>
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1180
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<td class="diff-line-num new_line" data-linenumber="1173" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1173
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<pre style="margin: 0;"> <span id="LC1173" class="line" lang="c"> <span class="p">}</span></span>
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<td class="diff-line-num old_line" data-linenumber="1181" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1181
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<td class="diff-line-num new_line" data-linenumber="1174" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1174
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<pre style="margin: 0;"> <span id="LC1174" class="line" lang="c"><span class="cp" style="color: #999; font-weight: 600;">#endif</span></span>
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<td class="diff-line-num old_line" data-linenumber="1182" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1182
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<td class="diff-line-num new_line" data-linenumber="1175" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1175
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<pre style="margin: 0;"> <span id="LC1175" class="line" lang="c"></span>
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<td class="diff-line-num unfold js-unfold old_line" data-linenumber="1190" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">...</td>
<td class="diff-line-num unfold js-unfold new_line" data-linenumber="1183" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">...</td>
<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -1190,7 +1183,6 @@ selector_loop:</td>
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<td class="diff-line-num old_line" data-linenumber="1190" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1190
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<td class="diff-line-num new_line" data-linenumber="1183" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1183
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<pre style="margin: 0;"> <span id="LC1183" class="line" lang="c"> <span class="k" style="font-weight: 600;">if</span> <span class="p">(</span><span class="o" style="font-weight: 600;">!</span><span class="n" style="color: #333;">IS_FORWARDING_PTR</span><span class="p">(</span><span class="n" style="color: #333;">info_ptr</span><span class="p">))</span></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="1191" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1191
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<td class="diff-line-num new_line" data-linenumber="1184" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1184
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<pre style="margin: 0;"> <span id="LC1184" class="line" lang="c"> <span class="p">{</span></span>
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<td class="diff-line-num old_line" data-linenumber="1192" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1192
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<td class="diff-line-num new_line" data-linenumber="1185" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1185
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<pre style="margin: 0;"> <span id="LC1185" class="line" lang="c"> <span class="n" style="color: #333;">info</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">INFO_PTR_TO_STRUCT</span><span class="p">((</span><span class="n" style="color: #333;">StgInfoTable</span> <span class="o" style="font-weight: 600;">*</span><span class="p">)</span><span class="n" style="color: #333;">info_ptr</span><span class="p">);</span></span>
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<td class="diff-line-num old old_line" data-linenumber="1193" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
1193
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<td class="diff-line-num new_line old" data-linenumber="1186" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
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<pre style="margin: 0;">-<span id="LC1193" class="line" lang="c"> <span class="n" style="color: #333;">load_load_barrier</span><span class="p">();</span></span>
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<td class="diff-line-num old_line" data-linenumber="1194" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1194
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<td class="diff-line-num new_line" data-linenumber="1186" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1186
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<pre style="margin: 0;"> <span id="LC1186" class="line" lang="c"> <span class="k" style="font-weight: 600;">switch</span> <span class="p">(</span><span class="n" style="color: #333;">info</span><span class="o" style="font-weight: 600;">-></span><span class="n" style="color: #333;">type</span><span class="p">)</span> <span class="p">{</span></span>
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<td class="diff-line-num old_line" data-linenumber="1195" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1195
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<td class="diff-line-num new_line" data-linenumber="1187" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1187
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<pre style="margin: 0;"> <span id="LC1187" class="line" lang="c"> <span class="k" style="font-weight: 600;">case</span> <span class="n" style="color: #333;">IND</span><span class="p">:</span></span>
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<td class="diff-line-num old_line" data-linenumber="1196" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1196
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<td class="diff-line-num new_line" data-linenumber="1188" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1188
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<pre style="margin: 0;"> <span id="LC1188" class="line" lang="c"> <span class="k" style="font-weight: 600;">case</span> <span class="n" style="color: #333;">IND_STATIC</span><span class="p">:</span></span>
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<td class="diff-line-num unfold js-unfold old_line" data-linenumber="1242" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">...</td>
<td class="diff-line-num unfold js-unfold new_line" data-linenumber="1234" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">...</td>
<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -1242,11 +1234,9 @@ selector_loop:</td>
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<td class="diff-line-num old_line" data-linenumber="1242" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1242
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<td class="diff-line-num new_line" data-linenumber="1234" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1234
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<pre style="margin: 0;"> <span id="LC1234" class="line" lang="c"> <span class="c1" style="color: #998; font-style: italic;">// indirection, as in evacuate().</span></span>
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<td class="diff-line-num old_line" data-linenumber="1243" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1243
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<td class="diff-line-num new_line" data-linenumber="1235" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1235
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<pre style="margin: 0;"> <span id="LC1235" class="line" lang="c"> <span class="k" style="font-weight: 600;">if</span> <span class="p">(</span><span class="n" style="color: #333;">GET_CLOSURE_TAG</span><span class="p">(</span><span class="n" style="color: #333;">r</span><span class="p">)</span> <span class="o" style="font-weight: 600;">==</span> <span class="mi" style="color: #099;">0</span><span class="p">)</span> <span class="p">{</span></span>
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<td class="diff-line-num old_line" data-linenumber="1244" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1244
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<td class="diff-line-num new_line" data-linenumber="1236" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1236
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<td class="line_content" style="padding-left: 0.5em; padding-right: 0.5em;">
<pre style="margin: 0;"> <span id="LC1236" class="line" lang="c"> <span class="n" style="color: #333;">i</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">r</span><span class="o" style="font-weight: 600;">-></span><span class="n" style="color: #333;">header</span><span class="p">.</span><span class="n" style="color: #333;">info</span><span class="p">;</span></span>
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<td class="diff-line-num old old_line" data-linenumber="1245" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
1245
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<td class="diff-line-num new_line old" data-linenumber="1237" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #fac5cd; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#f9d7dc">
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<pre style="margin: 0;">-<span id="LC1245" class="line" lang="c"> <span class="n" style="color: #333;">load_load_barrier</span><span class="p">();</span></span>
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<td class="diff-line-num old_line" data-linenumber="1246" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1246
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<td class="diff-line-num new_line" data-linenumber="1237" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1237
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<pre style="margin: 0;"> <span id="LC1237" class="line" lang="c"> <span class="k" style="font-weight: 600;">if</span> <span class="p">(</span><span class="n" style="color: #333;">IS_FORWARDING_PTR</span><span class="p">(</span><span class="n" style="color: #333;">i</span><span class="p">))</span> <span class="p">{</span></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="1247" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1247
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<td class="diff-line-num new_line" data-linenumber="1238" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1238
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<pre style="margin: 0;"> <span id="LC1238" class="line" lang="c"> <span class="n" style="color: #333;">r</span> <span class="o" style="font-weight: 600;">=</span> <span class="p">(</span><span class="n" style="color: #333;">StgClosure</span> <span class="o" style="font-weight: 600;">*</span><span class="p">)</span><span class="n" style="color: #333;">UN_FORWARDING_PTR</span><span class="p">(</span><span class="n" style="color: #333;">i</span><span class="p">);</span></span>
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<pre style="margin: 0;"> <span id="LC1239" class="line" lang="c"> <span class="n" style="color: #333;">i</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">r</span><span class="o" style="font-weight: 600;">-></span><span class="n" style="color: #333;">header</span><span class="p">.</span><span class="n" style="color: #333;">info</span><span class="p">;</span></span>
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<pre style="margin: 0;">-<span id="LC1249" class="line" lang="c"> <span class="n" style="color: #333;">load_load_barrier</span><span class="p">();</span></span>
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<pre style="margin: 0;"> <span id="LC1240" class="line" lang="c"> <span class="p">}</span></span>
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<pre style="margin: 0;"> <span id="LC1241" class="line" lang="c"> <span class="k" style="font-weight: 600;">if</span> <span class="p">(</span><span class="n" style="color: #333;">i</span> <span class="o" style="font-weight: 600;">==</span> <span class="o" style="font-weight: 600;">&</span><span class="n" style="color: #333;">stg_TSO_info</span></span>
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<pre style="margin: 0;"> <span id="LC1242" class="line" lang="c"> <span class="o" style="font-weight: 600;">||</span> <span class="n" style="color: #333;">i</span> <span class="o" style="font-weight: 600;">==</span> <span class="o" style="font-weight: 600;">&</span><span class="n" style="color: #333;">stg_WHITEHOLE_info</span></span>
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<a href="https://gitlab.haskell.org/ghc/ghc/compare/ee6ba25b1b407a9516b55b94ea90dad176eb49ca...1ce4268e60b46551ecb24753a1eb796c9f04e601#6477e10756faf038741e63d1ad499a1df809fe10"><strong>rts/sm/GC.c</strong></a>
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<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -1104,6 +1104,8 @@ loop:</td>
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<pre style="margin: 0;"> <span id="LC1104" class="line" lang="c"></span>
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<pre style="margin: 0;"> <span id="LC1105" class="line" lang="c"> <span class="c1" style="color: #998; font-style: italic;">// scavenge_loop() only exits when there's no work to do</span></span>
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<pre style="margin: 0;"> <span id="LC1106" class="line" lang="c"></span>
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<pre style="margin: 0;">+<span id="LC1107" class="line" lang="c"> <span class="c1" style="color: #998; font-style: italic;">// This atomic decrement also serves as a full barrier to ensure that any</span></span>
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<pre style="margin: 0;">+<span id="LC1108" class="line" lang="c"> <span class="c1" style="color: #998; font-style: italic;">// writes we made during scavenging are visible to other threads.</span></span>
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<pre style="margin: 0;"> <span id="LC1109" class="line" lang="c"><span class="cp" style="color: #999; font-weight: 600;">#if defined(DEBUG)</span></span>
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<pre style="margin: 0;"> <span id="LC1110" class="line" lang="c"> <span class="n" style="color: #333;">r</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">dec_running</span><span class="p">();</span></span>
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<pre style="margin: 0;"> <span id="LC1111" class="line" lang="c"><span class="cp" style="color: #999; font-weight: 600;">#else</span></span>
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<a href="https://gitlab.haskell.org/ghc/ghc/compare/ee6ba25b1b407a9516b55b94ea90dad176eb49ca...1ce4268e60b46551ecb24753a1eb796c9f04e601#a481abfdf0106c53321542436ad78f6df542b1b8"><strong>rts/sm/GCAux.c</strong></a>
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<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -76,7 +76,6 @@ isAlive(StgClosure *p)</td>
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<pre style="margin: 0;"> <span id="LC76" class="line" lang="c"> <span class="p">}</span></span>
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<pre style="margin: 0;"> <span id="LC77" class="line" lang="c"></span>
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<pre style="margin: 0;"> <span id="LC78" class="line" lang="c"> <span class="n" style="color: #333;">info</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">q</span><span class="o" style="font-weight: 600;">-></span><span class="n" style="color: #333;">header</span><span class="p">.</span><span class="n" style="color: #333;">info</span><span class="p">;</span></span>
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<pre style="margin: 0;">-<span id="LC79" class="line" lang="c"> <span class="n" style="color: #333;">load_load_barrier</span><span class="p">();</span></span>
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<pre style="margin: 0;"> <span id="LC79" class="line" lang="c"></span>
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<pre style="margin: 0;"> <span id="LC80" class="line" lang="c"> <span class="k" style="font-weight: 600;">if</span> <span class="p">(</span><span class="n" style="color: #333;">IS_FORWARDING_PTR</span><span class="p">(</span><span class="n" style="color: #333;">info</span><span class="p">))</span> <span class="p">{</span></span>
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<pre style="margin: 0;"> <span id="LC81" class="line" lang="c"> <span class="c1" style="color: #998; font-style: italic;">// alive!</span></span>
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<a href="https://gitlab.haskell.org/ghc/ghc/compare/ee6ba25b1b407a9516b55b94ea90dad176eb49ca...1ce4268e60b46551ecb24753a1eb796c9f04e601#3ef44886f86cfacfb064db8d4e5d756ed1f7936e"><strong>rts/sm/Scav.c</strong></a>
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<td class="diff-line-num unfold js-unfold new_line" data-linenumber="374" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">...</td>
<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -374,7 +374,6 @@ scavenge_thunk_srt(const StgInfoTable *info)</td>
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374
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<pre style="margin: 0;"> <span id="LC374" class="line" lang="c"> <span class="k" style="font-weight: 600;">if</span> <span class="p">(</span><span class="o" style="font-weight: 600;">!</span><span class="n" style="color: #333;">major_gc</span><span class="p">)</span> <span class="k" style="font-weight: 600;">return</span><span class="p">;</span></span>
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375
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375
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<pre style="margin: 0;"> <span id="LC375" class="line" lang="c"></span>
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376
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<pre style="margin: 0;"> <span id="LC376" class="line" lang="c"> <span class="n" style="color: #333;">thunk_info</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">itbl_to_thunk_itbl</span><span class="p">(</span><span class="n" style="color: #333;">info</span><span class="p">);</span></span>
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377
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<pre style="margin: 0;">-<span id="LC377" class="line" lang="c"> <span class="n" style="color: #333;">load_load_barrier</span><span class="p">();</span></span>
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378
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<pre style="margin: 0;"> <span id="LC377" class="line" lang="c"> <span class="k" style="font-weight: 600;">if</span> <span class="p">(</span><span class="n" style="color: #333;">thunk_info</span><span class="o" style="font-weight: 600;">-></span><span class="n" style="color: #333;">i</span><span class="p">.</span><span class="n" style="color: #333;">srt</span><span class="p">)</span> <span class="p">{</span></span>
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379
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<pre style="margin: 0;"> <span id="LC378" class="line" lang="c"> <span class="n" style="color: #333;">StgClosure</span> <span class="o" style="font-weight: 600;">*</span><span class="n" style="color: #333;">srt</span> <span class="o" style="font-weight: 600;">=</span> <span class="p">(</span><span class="n" style="color: #333;">StgClosure</span><span class="o" style="font-weight: 600;">*</span><span class="p">)</span><span class="n" style="color: #333;">GET_SRT</span><span class="p">(</span><span class="n" style="color: #333;">thunk_info</span><span class="p">);</span></span>
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380
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<pre style="margin: 0;"> <span id="LC379" class="line" lang="c"> <span class="n" style="color: #333;">evacuate</span><span class="p">(</span><span class="o" style="font-weight: 600;">&</span><span class="n" style="color: #333;">srt</span><span class="p">);</span></span>
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<td class="diff-line-num unfold js-unfold old_line" data-linenumber="389" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">...</td>
<td class="diff-line-num unfold js-unfold new_line" data-linenumber="388" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">...</td>
<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -389,7 +388,6 @@ scavenge_fun_srt(const StgInfoTable *info)</td>
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<td class="diff-line-num old_line" data-linenumber="389" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
389
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<td class="diff-line-num new_line" data-linenumber="388" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
388
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<pre style="margin: 0;"> <span id="LC388" class="line" lang="c"> <span class="k" style="font-weight: 600;">if</span> <span class="p">(</span><span class="o" style="font-weight: 600;">!</span><span class="n" style="color: #333;">major_gc</span><span class="p">)</span> <span class="k" style="font-weight: 600;">return</span><span class="p">;</span></span>
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390
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<pre style="margin: 0;"> <span id="LC389" class="line" lang="c"></span>
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391
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<pre style="margin: 0;"> <span id="LC390" class="line" lang="c"> <span class="n" style="color: #333;">fun_info</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">itbl_to_fun_itbl</span><span class="p">(</span><span class="n" style="color: #333;">info</span><span class="p">);</span></span>
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392
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<pre style="margin: 0;">-<span id="LC392" class="line" lang="c"> <span class="n" style="color: #333;">load_load_barrier</span><span class="p">();</span></span>
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393
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<pre style="margin: 0;"> <span id="LC391" class="line" lang="c"> <span class="k" style="font-weight: 600;">if</span> <span class="p">(</span><span class="n" style="color: #333;">fun_info</span><span class="o" style="font-weight: 600;">-></span><span class="n" style="color: #333;">i</span><span class="p">.</span><span class="n" style="color: #333;">srt</span><span class="p">)</span> <span class="p">{</span></span>
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394
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<pre style="margin: 0;"> <span id="LC392" class="line" lang="c"> <span class="n" style="color: #333;">StgClosure</span> <span class="o" style="font-weight: 600;">*</span><span class="n" style="color: #333;">srt</span> <span class="o" style="font-weight: 600;">=</span> <span class="p">(</span><span class="n" style="color: #333;">StgClosure</span><span class="o" style="font-weight: 600;">*</span><span class="p">)</span><span class="n" style="color: #333;">GET_FUN_SRT</span><span class="p">(</span><span class="n" style="color: #333;">fun_info</span><span class="p">);</span></span>
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395
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<pre style="margin: 0;"> <span id="LC393" class="line" lang="c"> <span class="n" style="color: #333;">evacuate</span><span class="p">(</span><span class="o" style="font-weight: 600;">&</span><span class="n" style="color: #333;">srt</span><span class="p">);</span></span>
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<td class="diff-line-num unfold js-unfold old_line" data-linenumber="1603" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">...</td>
<td class="diff-line-num unfold js-unfold new_line" data-linenumber="1601" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">...</td>
<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -1603,7 +1601,6 @@ scavenge_mutable_list(bdescr *bd, generation *gen)</td>
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1603
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1601
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<pre style="margin: 0;"> <span id="LC1601" class="line" lang="c"> <span class="n" style="color: #333;">mutlist_TREC_CHUNK</span><span class="o" style="font-weight: 600;">++</span><span class="p">;</span> <span class="k" style="font-weight: 600;">break</span><span class="p">;</span></span>
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1604
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<pre style="margin: 0;"> <span id="LC1602" class="line" lang="c"> <span class="k" style="font-weight: 600;">case</span> <span class="n" style="color: #333;">MUT_PRIM</span><span class="p">:</span></span>
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1605
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1603
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<pre style="margin: 0;"> <span id="LC1603" class="line" lang="c"> <span class="n" style="color: #333;">pinfo</span> <span class="o" style="font-weight: 600;">=</span> <span class="p">((</span><span class="n" style="color: #333;">StgClosure</span><span class="o" style="font-weight: 600;">*</span><span class="p">)</span><span class="n" style="color: #333;">p</span><span class="p">)</span><span class="o" style="font-weight: 600;">-></span><span class="n" style="color: #333;">header</span><span class="p">.</span><span class="n" style="color: #333;">info</span><span class="p">;</span></span>
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<pre style="margin: 0;">-<span id="LC1606" class="line" lang="c"> <span class="n" style="color: #333;">load_load_barrier</span><span class="p">();</span></span>
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1604
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<pre style="margin: 0;"> <span id="LC1604" class="line" lang="c"> <span class="k" style="font-weight: 600;">if</span> <span class="p">(</span><span class="n" style="color: #333;">pinfo</span> <span class="o" style="font-weight: 600;">==</span> <span class="o" style="font-weight: 600;">&</span><span class="n" style="color: #333;">stg_TVAR_WATCH_QUEUE_info</span><span class="p">)</span></span>
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<td class="diff-line-num old_line" data-linenumber="1608" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1608
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<td class="diff-line-num new_line" data-linenumber="1605" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1605
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<pre style="margin: 0;"> <span id="LC1605" class="line" lang="c"> <span class="n" style="color: #333;">mutlist_TVAR_WATCH_QUEUE</span><span class="o" style="font-weight: 600;">++</span><span class="p">;</span></span>
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<td class="diff-line-num old_line" data-linenumber="1609" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1609
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<td class="diff-line-num new_line" data-linenumber="1606" style="width: 35px; color: rgba(0,0,0,0.3); border-right-width: 1px; border-right-color: #f0f0f0; border-right-style: solid; padding: 0 5px;" align="right" bgcolor="#fafafa">
1606
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<pre style="margin: 0;"> <span id="LC1606" class="line" lang="c"> <span class="k" style="font-weight: 600;">else</span> <span class="k" style="font-weight: 600;">if</span> <span class="p">(</span><span class="n" style="color: #333;">pinfo</span> <span class="o" style="font-weight: 600;">==</span> <span class="o" style="font-weight: 600;">&</span><span class="n" style="color: #333;">stg_TREC_HEADER_info</span><span class="p">)</span></span>
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