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<h3>
Ben Gamari pushed to branch wip/gc/ben
at <a href="https://gitlab.haskell.org/ghc/ghc">Glasgow Haskell Compiler / GHC</a>
</h3>
<h4>
Commits:
</h4>
<ul>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/commit/90e0ece0f88d13cf703cc2831f7f9b772b81b4ed">90e0ece0</a></strong>
<div>
<span>by Ben Gamari</span>
<i>at 2019-04-17T23:50:30Z</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">Remove redundant write barrier checks and fix prediction
</pre>
</li>
</ul>
<h4>10 changed files:</h4>
<ul>
<li class="file-stats">
<a href="#6011cad13b19136953f8ee72df01a66623c5c1b0">
includes/Cmm.h
</a>
</li>
<li class="file-stats">
<a href="#63bb2dcb45bf7982130b0b95ecf366bf1a617e82">
rts/Messages.c
</a>
</li>
<li class="file-stats">
<a href="#6db965f97cbab901f493506a385bcf1283009921">
rts/PrimOps.cmm
</a>
</li>
<li class="file-stats">
<a href="#e137645f8a9be9fa32cc764e19cea2b492e33d9c">
rts/STM.c
</a>
</li>
<li class="file-stats">
<a href="#7d6961cb073b9fe3df3a81f0ad5cf36eed293c42">
rts/Schedule.c
</a>
</li>
<li class="file-stats">
<a href="#4b22b3f666af23f7c8097b32282abfd52fb6c342">
rts/ThreadPaused.c
</a>
</li>
<li class="file-stats">
<a href="#a5d219117032120cc7bde9f13451d9627cff5614">
rts/Threads.c
</a>
</li>
<li class="file-stats">
<a href="#2ffbdc61d9d0e36978f07f62c00c08f33149e335">
rts/Updates.h
</a>
</li>
<li class="file-stats">
<a href="#4f5ba3ce18ccc17ad367193f379aa61f4c9180a0">
rts/sm/NonMovingMark.c
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</li>
<li class="file-stats">
<a href="#0bfe9d4217bccddd6b00d2d6a5e56e7de4c86273">
rts/sm/Storage.c
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</li>
</ul>
<h4>Changes:</h4>
<li id="6011cad13b19136953f8ee72df01a66623c5c1b0">
<a href="https://gitlab.haskell.org/ghc/ghc/commit/90e0ece0f88d13cf703cc2831f7f9b772b81b4ed#6011cad13b19136953f8ee72df01a66623c5c1b0"><strong>includes/Cmm.h</strong></a>
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<td class="diff-line-num unfold js-unfold new_line" data-linenumber="797" 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">@@ -797,11 +797,6 @@</td>
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797
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797
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<td class="line_content noteable_line" style="padding-left: 0.5em; padding-right: 0.5em;">
<pre style="margin: 0;"> <span id="LC797" class="line" lang="c"><span class="cm" style="color: #998; font-style: italic;"> Misc junk</span></span>
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<td class="diff-line-num old_line" data-linenumber="798" 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">
798
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<td class="diff-line-num new_line" data-linenumber="798" 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">
798
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<pre style="margin: 0;"> <span id="LC798" class="line" lang="c"><span class="cm" style="color: #998; font-style: italic;"> -------------------------------------------------------------------------- */</span></span>
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799
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799
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<td class="line_content noteable_line" style="padding-left: 0.5em; padding-right: 0.5em;">
<pre style="margin: 0;"> <span id="LC799" class="line" lang="c"></span>
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800
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<pre style="margin: 0;">-<span id="LC800" class="line" lang="c"><span class="cp" style="color: #999; font-weight: 600;">#if !defined(THREADED_RTS)</span></span>
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<td class="diff-line-num old old_line" data-linenumber="801" 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">
801
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<pre style="margin: 0;">-<span id="LC801" class="line" lang="c"><span class="c1" style="color: #998; font-style: italic;">// This is also done in rts/NonMoving.h, but that isn't visible from C--</span></span>
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<td class="diff-line-num old old_line" data-linenumber="802" 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">
802
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<td class="diff-line-num new_line old" data-linenumber="800" 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="LC802" class="line" lang="c"><span class="cp" style="color: #999; font-weight: 600;">#define nonmoving_write_barrier_enabled 0</span></span>
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<td class="diff-line-num old old_line" data-linenumber="803" 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">
803
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<pre style="margin: 0;">-<span id="LC803" class="line" lang="c"><span class="cp" style="color: #999; font-weight: 600;">#endif</span></span>
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804
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<pre style="margin: 0;">-<span id="LC804" class="line" lang="c"></span>
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805
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800
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<pre style="margin: 0;"> <span id="LC800" class="line" lang="c"><span class="cp" style="color: #999; font-weight: 600;">#define NO_TREC stg_NO_TREC_closure</span></span>
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806
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801
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<pre style="margin: 0;"> <span id="LC801" class="line" lang="c"><span class="cp" style="color: #999; font-weight: 600;">#define END_TSO_QUEUE stg_END_TSO_QUEUE_closure</span></span>
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807
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802
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<pre style="margin: 0;"> <span id="LC802" class="line" lang="c"><span class="cp" style="color: #999; font-weight: 600;">#define STM_AWOKEN stg_STM_AWOKEN_closure</span></span>
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<td class="diff-line-num unfold js-unfold old_line" data-linenumber="940" 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="935" 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">@@ -940,9 +935,19 @@</td>
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940
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935
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<pre style="margin: 0;"> <span id="LC935" class="line" lang="c"><span class="cp" style="color: #999; font-weight: 600;"> return (dst);</span></span>
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941
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936
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<pre style="margin: 0;"> <span id="LC936" class="line" lang="c"></span>
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942
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937
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<pre style="margin: 0;"> <span id="LC937" class="line" lang="c"></span>
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<td class="diff-line-num new new_line" data-linenumber="938" 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">
938
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<pre style="margin: 0;">+<span id="LC938" class="line" lang="c"><span class="cp" style="color: #999; font-weight: 600;">#if defined(THREADED_RTS)</span></span>
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939
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<pre style="margin: 0;">+<span id="LC939" class="line" lang="c"><span class="cp" style="color: #999; font-weight: 600;">#define IF_WRITE_BARRIER_ENABLED \</span></span>
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940
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<pre style="margin: 0;">+<span id="LC940" class="line" lang="c"><span class="cp" style="color: #999; font-weight: 600;"> if (W_[nonmoving_write_barrier_enabled] != 0) (likely: False)</span></span>
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941
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<pre style="margin: 0;">+<span id="LC941" class="line" lang="c"><span class="cp" style="color: #999; font-weight: 600;">#else</span></span>
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942
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<pre style="margin: 0;">+<span id="LC942" class="line" lang="c"><span class="c1" style="color: #998; font-style: italic;">// A similar measure is also taken in rts/NonMoving.h, but that isn't visible from C--</span></span>
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<pre style="margin: 0;">+<span id="LC943" class="line" lang="c"><span class="cp" style="color: #999; font-weight: 600;">#define IF_WRITE_BARRIER_ENABLED \</span></span>
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<pre style="margin: 0;">+<span id="LC944" class="line" lang="c"><span class="cp" style="color: #999; font-weight: 600;"> if (0)</span></span>
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<pre style="margin: 0;">+<span id="LC945" class="line" lang="c"><span class="cp" style="color: #999; font-weight: 600;">#define nonmoving_write_barrier_enabled 0</span></span>
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<pre style="margin: 0;">+<span id="LC946" 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="LC948" class="line" lang="c"><span class="c1" style="color: #998; font-style: italic;">// A useful helper for pushing a pointer to the update remembered set.</span></span>
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<pre style="margin: 0;"> <span id="LC949" class="line" lang="c"><span class="c1" style="color: #998; font-style: italic;">// See Note [Update remembered set] in NonMovingMark.c.</span></span>
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<pre style="margin: 0;">-<span id="LC945" class="line" lang="c"><span class="cp" style="color: #999; font-weight: 600;">#define updateRemembSetPushPtr(p) \</span></span>
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<pre style="margin: 0;">-<span id="LC946" class="line" lang="c"><span class="cp" style="color: #999; font-weight: 600;"> <span class="idiff left right">if (nonmoving_write_barrier_enabled != 0) (likely: False) {</span> \</span></span>
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<pre style="margin: 0;">-<span id="LC947" class="line" lang="c"><span class="cp" style="color: #999; font-weight: 600;"> ccall updateRemembSetPushClosure_(BaseReg "ptr", p "ptr"); \</span></span>
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<pre style="margin: 0;">+<span id="LC950" class="line" lang="c"><span class="cp" style="color: #999; font-weight: 600;">#define updateRemembSetPushPtr(p) <span class="idiff left right"> </span>\</span></span>
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<pre style="margin: 0;">+<span id="LC951" class="line" lang="c"><span class="cp" style="color: #999; font-weight: 600;"> <span class="idiff left right">IF_WRITE_BARRIER_ENABLED { </span> \</span></span>
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<pre style="margin: 0;">+<span id="LC952" class="line" lang="c"><span class="cp" style="color: #999; font-weight: 600;"> ccall updateRemembSetPushClosure_(BaseReg "ptr", p "ptr"); <span class="idiff left right"> </span>\</span></span>
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<pre style="margin: 0;"> <span id="LC953" class="line" lang="c"><span class="cp" style="color: #999; font-weight: 600;"> }</span></span></pre>
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<a href="https://gitlab.haskell.org/ghc/ghc/commit/90e0ece0f88d13cf703cc2831f7f9b772b81b4ed#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">@@ -256,7 +256,7 @@ loop:</td>
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<pre style="margin: 0;"> <span id="LC256" class="line" lang="c"></span>
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<pre style="margin: 0;"> <span id="LC257" class="line" lang="c"> <span class="c1" style="color: #998; font-style: italic;">// point to the BLOCKING_QUEUE from the BLACKHOLE</span></span>
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<pre style="margin: 0;"> <span id="LC258" 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;">// make the BQ visible</span></span>
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<pre style="margin: 0;">-<span id="LC259" class="line" lang="c"> <span class="k" style="font-weight: 600;">if</span> <span class="p">(</span><span class="n" style="color: #333;"><span class="idiff left right">nonmoving_write_barrier_enabled</span></span><span class="p">)</span> <span class="p">{</span></span>
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<pre style="margin: 0;">+<span id="LC259" class="line" lang="c"> <span class="k" style="font-weight: 600;">if</span> <span class="p">(</span><span class="n" style="color: #333;"><span class="idiff left">RTS_UNLIKELY</span></span><span class="p"><span class="idiff">(</span></span><span class="n" style="color: #333;"><span class="idiff">nonmoving_write_barrier_enabled</span></span><span class="p"><span class="idiff right">)</span>)</span> <span class="p">{</span></span>
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<pre style="margin: 0;"> <span id="LC260" class="line" lang="c"> <span class="n" style="color: #333;">updateRemembSetPushClosure</span><span class="p">(</span><span class="n" style="color: #333;">cap</span><span class="p">,</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="LC261" class="line" lang="c"> <span class="p">}</span></span>
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<pre style="margin: 0;"> <span id="LC262" class="line" lang="c"> <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="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;">bq</span><span class="p">;</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">@@ -287,7 +287,7 @@ loop:</td>
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287
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287
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<pre style="margin: 0;"> <span id="LC287" class="line" lang="c"> <span class="p">}</span></span>
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<pre style="margin: 0;"> <span id="LC288" 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="LC289" class="line" lang="c"></span>
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<pre style="margin: 0;">-<span id="LC290" class="line" lang="c"> <span class="k" style="font-weight: 600;">if</span> <span class="p">(</span><span class="n" style="color: #333;"><span class="idiff left right">nonmoving_write_barrier_enabled</span></span><span class="p">)</span> <span class="p">{</span></span>
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<pre style="margin: 0;">+<span id="LC290" class="line" lang="c"> <span class="k" style="font-weight: 600;">if</span> <span class="p">(</span><span class="n" style="color: #333;"><span class="idiff left">RTS_UNLIKELY</span></span><span class="p"><span class="idiff">(</span></span><span class="n" style="color: #333;"><span class="idiff">nonmoving_write_barrier_enabled</span></span><span class="p"><span class="idiff right">)</span>)</span> <span class="p">{</span></span>
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<pre style="margin: 0;"> <span id="LC291" class="line" lang="c"> <span class="c1" style="color: #998; font-style: italic;">// We are about to overwrite bq->queue; make sure its current value</span></span>
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<pre style="margin: 0;"> <span id="LC292" class="line" lang="c"> <span class="c1" style="color: #998; font-style: italic;">// makes it into the update remembered set</span></span>
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293
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<pre style="margin: 0;"> <span id="LC293" class="line" lang="c"> <span class="n" style="color: #333;">updateRemembSetPushClosure</span><span class="p">(</span><span class="n" style="color: #333;">cap</span><span class="p">,</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;">bq</span><span class="o" style="font-weight: 600;">-></span><span class="n" style="color: #333;">queue</span><span class="p">);</span></span>
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<li id="6db965f97cbab901f493506a385bcf1283009921">
<a href="https://gitlab.haskell.org/ghc/ghc/commit/90e0ece0f88d13cf703cc2831f7f9b772b81b4ed#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">@@ -474,7 +474,9 @@ stg_copyArray_barrier ( W_ hdr_size, gcptr dst, W_ dst_off, W_ n)</td>
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<pre style="margin: 0;"> <span id="LC474" class="line" lang="plaintext"> end = p + WDS(n);</span>
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<pre style="margin: 0;"> <span id="LC475" class="line" lang="plaintext"></span>
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<pre style="margin: 0;"> <span id="LC476" class="line" lang="plaintext">again:</span>
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<pre style="margin: 0;">-<span id="LC477" class="line" lang="plaintext"> ccall updateRemembSetPushClosure_(BaseReg "ptr", W_[p] "ptr");</span>
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<pre style="margin: 0;">+<span id="LC477" class="line" lang="plaintext"> IF_WRITE_BARRIER_ENABLED {</span>
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<pre style="margin: 0;">+<span id="LC478" class="line" lang="plaintext"> ccall updateRemembSetPushClosure_(BaseReg "ptr", W_[p] "ptr");</span>
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<pre style="margin: 0;">+<span id="LC479" class="line" lang="plaintext"> }</span>
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480
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<pre style="margin: 0;"> <span id="LC480" class="line" lang="plaintext"> p = p + WDS(1);</span>
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<pre style="margin: 0;"> <span id="LC481" class="line" lang="plaintext"> if (p < end) {</span>
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<pre style="margin: 0;"> <span id="LC482" class="line" lang="plaintext"> goto again;</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">@@ -488,7 +490,7 @@ stg_copySmallArrayzh ( gcptr src, W_ src_off, gcptr dst, W_ dst_off, W_ n)</td>
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<pre style="margin: 0;"> <span id="LC490" class="line" lang="plaintext"> W_ dst_p, src_p, bytes;</span>
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<pre style="margin: 0;"> <span id="LC491" class="line" lang="plaintext"></span>
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<pre style="margin: 0;"> <span id="LC492" class="line" lang="plaintext"> if (n > 0) {</span>
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<pre style="margin: 0;">-<span id="LC491" class="line" lang="plaintext"> <span class="idiff left right">if (nonmoving_write_barrier_enabled != 0 || 1)</span> {</span>
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<pre style="margin: 0;">+<span id="LC493" class="line" lang="plaintext"> <span class="idiff left right">IF_WRITE_BARRIER_ENABLED</span> {</span>
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<pre style="margin: 0;"> <span id="LC494" class="line" lang="plaintext"> call stg_copyArray_barrier(SIZEOF_StgSmallMutArrPtrs,</span>
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<pre style="margin: 0;"> <span id="LC495" class="line" lang="plaintext"> dst, dst_off, n);</span>
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<pre style="margin: 0;"> <span id="LC496" class="line" lang="plaintext"> }</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">@@ -509,7 +511,7 @@ stg_copySmallMutableArrayzh ( gcptr src, W_ src_off, gcptr dst, W_ dst_off, W_ n</td>
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511
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<pre style="margin: 0;"> <span id="LC511" class="line" lang="plaintext"> W_ dst_p, src_p, bytes;</span>
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<pre style="margin: 0;"> <span id="LC512" class="line" lang="plaintext"></span>
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<pre style="margin: 0;"> <span id="LC513" class="line" lang="plaintext"> if (n > 0) {</span>
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<pre style="margin: 0;">-<span id="LC512" class="line" lang="plaintext"> <span class="idiff left right">if (nonmoving_write_barrier_enabled != 0 || 1)</span> {</span>
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<pre style="margin: 0;">+<span id="LC514" class="line" lang="plaintext"> <span class="idiff left right">IF_WRITE_BARRIER_ENABLED</span> {</span>
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<pre style="margin: 0;"> <span id="LC515" class="line" lang="plaintext"> call stg_copyArray_barrier(SIZEOF_StgSmallMutArrPtrs,</span>
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<pre style="margin: 0;"> <span id="LC516" class="line" lang="plaintext"> dst, dst_off, n);</span>
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<pre style="margin: 0;"> <span id="LC517" class="line" lang="plaintext"> }</span>
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<a href="https://gitlab.haskell.org/ghc/ghc/commit/90e0ece0f88d13cf703cc2831f7f9b772b81b4ed#e137645f8a9be9fa32cc764e19cea2b492e33d9c"><strong>rts/STM.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">@@ -297,7 +297,7 @@ static StgClosure *lock_tvar(Capability *cap,</td>
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<pre style="margin: 0;"> <span id="LC297" class="line" lang="c"> <span class="p">}</span> <span class="k" style="font-weight: 600;">while</span> <span class="p">(</span><span class="n" style="color: #333;">cas</span><span class="p">((</span><span class="kt" style="color: #458; font-weight: 600;">void</span> <span class="o" style="font-weight: 600;">*</span><span class="p">)</span><span class="o" style="font-weight: 600;">&</span><span class="p">(</span><span class="n" style="color: #333;">s</span> <span class="o" style="font-weight: 600;">-></span> <span class="n" style="color: #333;">current_value</span><span class="p">),</span></span>
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<pre style="margin: 0;"> <span id="LC298" class="line" lang="c"> <span class="p">(</span><span class="n" style="color: #333;">StgWord</span><span class="p">)</span><span class="n" style="color: #333;">result</span><span class="p">,</span> <span class="p">(</span><span class="n" style="color: #333;">StgWord</span><span class="p">)</span><span class="n" style="color: #333;">trec</span><span class="p">)</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;">result</span><span class="p">);</span></span>
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299
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<pre style="margin: 0;"> <span id="LC299" class="line" lang="c"></span>
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<pre style="margin: 0;">-<span id="LC300" class="line" lang="c"> <span class="k" style="font-weight: 600;">if</span> <span class="p">(</span><span class="n" style="color: #333;"><span class="idiff left">nonmoving_write_barrier_enabled</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">&&</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff right">result</span></span><span class="p">)</span> <span class="p">{</span></span>
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<pre style="margin: 0;">+<span id="LC300" class="line" lang="c"> <span class="k" style="font-weight: 600;">if</span> <span class="p">(</span><span class="n" style="color: #333;"><span class="idiff left">RTS_UNLIKELY</span></span><span class="p"><span class="idiff">(</span></span><span class="n" style="color: #333;"><span class="idiff">nonmoving_write_barrier_enabled</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">&&</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">result</span></span><span class="p"><span class="idiff right">)</span>)</span> <span class="p">{</span></span>
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301
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<pre style="margin: 0;"> <span id="LC301" class="line" lang="c"> <span class="n" style="color: #333;">updateRemembSetPushClosure</span><span class="p">(</span><span class="n" style="color: #333;">cap</span><span class="p">,</span> <span class="n" style="color: #333;">result</span><span class="p">);</span></span>
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302
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<pre style="margin: 0;"> <span id="LC302" class="line" lang="c"> <span class="p">}</span></span>
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<pre style="margin: 0;"> <span id="LC303" class="line" lang="c"> <span class="k" style="font-weight: 600;">return</span> <span class="n" style="color: #333;">result</span><span class="p">;</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">@@ -323,7 +323,7 @@ static StgBool cond_lock_tvar(Capability *cap,</td>
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<pre style="margin: 0;"> <span id="LC323" class="line" lang="c"> <span class="n" style="color: #333;">TRACE</span><span class="p">(</span><span class="s" style="color: #d14;">"%p : cond_lock_tvar(%p, %p)"</span><span class="p">,</span> <span class="n" style="color: #333;">trec</span><span class="p">,</span> <span class="n" style="color: #333;">s</span><span class="p">,</span> <span class="n" style="color: #333;">expected</span><span class="p">);</span></span>
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<pre style="margin: 0;"> <span id="LC324" class="line" lang="c"> <span class="n" style="color: #333;">w</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">cas</span><span class="p">((</span><span class="kt" style="color: #458; font-weight: 600;">void</span> <span class="o" style="font-weight: 600;">*</span><span class="p">)</span><span class="o" style="font-weight: 600;">&</span><span class="p">(</span><span class="n" style="color: #333;">s</span> <span class="o" style="font-weight: 600;">-></span> <span class="n" style="color: #333;">current_value</span><span class="p">),</span> <span class="p">(</span><span class="n" style="color: #333;">StgWord</span><span class="p">)</span><span class="n" style="color: #333;">expected</span><span class="p">,</span> <span class="p">(</span><span class="n" style="color: #333;">StgWord</span><span class="p">)</span><span class="n" style="color: #333;">trec</span><span class="p">);</span></span>
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325
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<pre style="margin: 0;"> <span id="LC325" class="line" lang="c"> <span class="n" style="color: #333;">result</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;">w</span><span class="p">;</span></span>
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326
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<pre style="margin: 0;">-<span id="LC326" class="line" lang="c"> <span class="k" style="font-weight: 600;">if</span> <span class="p">(</span><span class="n" style="color: #333;"><span class="idiff left">nonmoving_write_barrier_enabled</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">&&</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff right">result</span></span><span class="p">)</span> <span class="p">{</span></span>
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<pre style="margin: 0;">+<span id="LC326" class="line" lang="c"> <span class="k" style="font-weight: 600;">if</span> <span class="p">(</span><span class="n" style="color: #333;"><span class="idiff left">RTS_UNLIKELY</span></span><span class="p"><span class="idiff">(</span></span><span class="n" style="color: #333;"><span class="idiff">nonmoving_write_barrier_enabled</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">&&</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">result</span></span><span class="p"><span class="idiff right">)</span>)</span> <span class="p">{</span></span>
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<pre style="margin: 0;"> <span id="LC327" class="line" lang="c"> <span class="n" style="color: #333;">updateRemembSetPushClosure</span><span class="p">(</span><span class="n" style="color: #333;">cap</span><span class="p">,</span> <span class="n" style="color: #333;">expected</span><span class="p">);</span></span>
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<pre style="margin: 0;"> <span id="LC328" class="line" lang="c"> <span class="p">}</span></span>
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<pre style="margin: 0;"> <span id="LC329" class="line" lang="c"> <span class="n" style="color: #333;">TRACE</span><span class="p">(</span><span class="s" style="color: #d14;">"%p : %s"</span><span class="p">,</span> <span class="n" style="color: #333;">trec</span><span class="p">,</span> <span class="n" style="color: #333;">result</span> <span class="o" style="font-weight: 600;">?</span> <span class="s" style="color: #d14;">"success"</span> <span class="o" style="font-weight: 600;">:</span> <span class="s" style="color: #d14;">"failure"</span><span class="p">);</span></span>
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<a href="https://gitlab.haskell.org/ghc/ghc/commit/90e0ece0f88d13cf703cc2831f7f9b772b81b4ed#7d6961cb073b9fe3df3a81f0ad5cf36eed293c42"><strong>rts/Schedule.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">@@ -2501,7 +2501,9 @@ resumeThread (void *task_)</td>
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<pre style="margin: 0;"> <span id="LC2501" class="line" lang="c"> <span class="n" style="color: #333;">incall</span><span class="o" style="font-weight: 600;">-></span><span class="n" style="color: #333;">suspended_tso</span> <span class="o" style="font-weight: 600;">=</span> <span class="nb" style="color: #0086b3;">NULL</span><span class="p">;</span></span>
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2502
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<pre style="margin: 0;"> <span id="LC2502" class="line" lang="c"> <span class="n" style="color: #333;">incall</span><span class="o" style="font-weight: 600;">-></span><span class="n" style="color: #333;">suspended_cap</span> <span class="o" style="font-weight: 600;">=</span> <span class="nb" style="color: #0086b3;">NULL</span><span class="p">;</span></span>
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2503
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<pre style="margin: 0;"> <span id="LC2503" class="line" lang="c"> <span class="c1" style="color: #998; font-style: italic;">// we will modify tso->_link</span></span>
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2504
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<pre style="margin: 0;">-<span id="LC2504" class="line" lang="c"> <span class="n" style="color: #333;">updateRemembSetPushClosure</span><span class="p">(</span><span class="n" style="color: #333;">cap</span><span class="p">,</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;">_link</span><span class="p">);</span></span>
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<pre style="margin: 0;">+<span id="LC2504" class="line" lang="c"> <span class="k" style="font-weight: 600;">if</span> <span class="p">(</span><span class="n" style="color: #333;">RTS_UNLIKELY</span><span class="p">(</span><span class="n" style="color: #333;">nonmoving_write_barrier_enabled</span><span class="p">))</span> <span class="p">{</span></span>
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<pre style="margin: 0;">+<span id="LC2505" class="line" lang="c"> <span class="n" style="color: #333;">updateRemembSetPushClosure</span><span class="p">(</span><span class="n" style="color: #333;">cap</span><span class="p">,</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;">_link</span><span class="p">);</span></span>
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<pre style="margin: 0;">+<span id="LC2506" class="line" lang="c"> <span class="p">}</span></span>
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<pre style="margin: 0;"> <span id="LC2507" class="line" lang="c"> <span class="n" style="color: #333;">tso</span><span class="o" style="font-weight: 600;">-></span><span class="n" style="color: #333;">_link</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">END_TSO_QUEUE</span><span class="p">;</span></span>
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<pre style="margin: 0;"> <span id="LC2508" class="line" lang="c"></span>
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<pre style="margin: 0;"> <span id="LC2509" class="line" lang="c"> <span class="n" style="color: #333;">traceEventRunThread</span><span class="p">(</span><span class="n" style="color: #333;">cap</span><span class="p">,</span> <span class="n" style="color: #333;">tso</span><span class="p">);</span></span>
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<a href="https://gitlab.haskell.org/ghc/ghc/commit/90e0ece0f88d13cf703cc2831f7f9b772b81b4ed#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">@@ -330,8 +330,8 @@ threadPaused(Capability *cap, StgTSO *tso)</td>
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<pre style="margin: 0;"> <span id="LC330" class="line" lang="c"> <span class="p">}</span></span>
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<pre style="margin: 0;"> <span id="LC331" 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="LC332" class="line" lang="c"></span>
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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;">nonmoving_write_barrier_enabled</span></span>
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<pre style="margin: 0;">-<span id="LC334" class="line" lang="c"> <span class="o" style="font-weight: 600;"><span class="idiff left">&&</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">ip_THUNK</span></span><span class="p"><span class="idiff">(</span></span><span class="n" style="color: #333;"><span class="idiff">INFO_PTR_TO_STRUCT</span></span><span class="p"><span class="idiff">(</span></span><span class="n" style="color: #333;"><span class="idiff right">bh_info</span></span><span class="p">)))</span> <span class="p">{</span></span>
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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;"><span class="idiff left">RTS_UNLIKELY</span></span><span class="p"><span class="idiff right">(</span></span><span class="n" style="color: #333;">nonmoving_write_barrier_enabled</span></span>
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<pre style="margin: 0;">+<span id="LC334" class="line" lang="c"> <span class="idiff left"> </span><span class="o" style="font-weight: 600;"><span class="idiff">&&</span></span><span class="idiff"> </span><span class="n" style="color: #333;"><span class="idiff">ip_THUNK</span></span><span class="p"><span class="idiff">(</span></span><span class="n" style="color: #333;"><span class="idiff">INFO_PTR_TO_STRUCT</span></span><span class="p"><span class="idiff">(</span></span><span class="n" style="color: #333;"><span class="idiff">bh_info</span></span><span class="p"><span class="idiff right">)</span>)))</span> <span class="p">{</span></span>
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<pre style="margin: 0;"> <span id="LC335" class="line" lang="c"> <span class="c1" style="color: #998; font-style: italic;">// We are about to replace a thunk with a blackhole.</span></span>
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<pre style="margin: 0;"> <span id="LC336" class="line" lang="c"> <span class="c1" style="color: #998; font-style: italic;">// Add the free variables of the closure we are about to</span></span>
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<pre style="margin: 0;"> <span id="LC337" class="line" lang="c"> <span class="c1" style="color: #998; font-style: italic;">// overwrite to the update remembered set.</span></span>
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<a href="https://gitlab.haskell.org/ghc/ghc/commit/90e0ece0f88d13cf703cc2831f7f9b772b81b4ed#a5d219117032120cc7bde9f13451d9627cff5614"><strong>rts/Threads.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">@@ -712,7 +712,7 @@ threadStackUnderflow (Capability *cap, StgTSO *tso)</td>
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<pre style="margin: 0;"> <span id="LC712" class="line" lang="c"> <span class="n" style="color: #333;">barf</span><span class="p">(</span><span class="s" style="color: #d14;">"threadStackUnderflow: not enough space for return values"</span><span class="p">);</span></span>
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<pre style="margin: 0;"> <span id="LC713" class="line" lang="c"> <span class="p">}</span></span>
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<pre style="margin: 0;"> <span id="LC714" class="line" lang="c"></span>
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<pre style="margin: 0;">-<span id="LC715" class="line" lang="c"> <span class="k" style="font-weight: 600;">if</span> <span class="p">(</span><span class="n" style="color: #333;"><span class="idiff left right">nonmoving_write_barrier_enabled</span></span><span class="p">)</span> <span class="p">{</span></span>
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<pre style="margin: 0;">+<span id="LC715" class="line" lang="c"> <span class="k" style="font-weight: 600;">if</span> <span class="p">(</span><span class="n" style="color: #333;"><span class="idiff left">RTS_UNLIKELY</span></span><span class="p"><span class="idiff">(</span></span><span class="n" style="color: #333;"><span class="idiff">nonmoving_write_barrier_enabled</span></span><span class="p"><span class="idiff right">)</span>)</span> <span class="p">{</span></span>
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<pre style="margin: 0;"> <span id="LC716" class="line" lang="c"> <span class="c1" style="color: #998; font-style: italic;">// ensure that values that we copy into the new stack are marked</span></span>
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<pre style="margin: 0;"> <span id="LC717" class="line" lang="c"> <span class="c1" style="color: #998; font-style: italic;">// for the nonmoving collector. Note that these values won't</span></span>
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718
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<pre style="margin: 0;"> <span id="LC718" class="line" lang="c"> <span class="c1" style="color: #998; font-style: italic;">// necessarily form a full closure so we need to handle them</span></span>
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<a href="https://gitlab.haskell.org/ghc/ghc/commit/90e0ece0f88d13cf703cc2831f7f9b772b81b4ed#2ffbdc61d9d0e36978f07f62c00c08f33149e335"><strong>rts/Updates.h</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">@@ -44,7 +44,7 @@</td>
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<pre style="margin: 0;"> <span id="LC44" class="line" lang="c"><span class="cp" style="color: #999; font-weight: 600;"> W_ bd; \</span></span>
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<pre style="margin: 0;"> <span id="LC45" class="line" lang="c"><span class="cp" style="color: #999; font-weight: 600;"> \</span></span>
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<pre style="margin: 0;"> <span id="LC46" class="line" lang="c"><span class="cp" style="color: #999; font-weight: 600;"> OVERWRITING_CLOSURE(p1); \</span></span>
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<pre style="margin: 0;">-<span id="LC47" class="line" lang="c"><span class="cp" style="color: #999; font-weight: 600;"> <span class="idiff left right">if (nonmoving_write_barrier_enabled != 0) {</span> \</span></span>
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<pre style="margin: 0;">+<span id="LC47" class="line" lang="c"><span class="cp" style="color: #999; font-weight: 600;"> <span class="idiff left right">IF_WRITE_BARRIER_ENABLED { </span> \</span></span>
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<pre style="margin: 0;"> <span id="LC48" class="line" lang="c"><span class="cp" style="color: #999; font-weight: 600;"> ccall updateRemembSetPushThunk_(BaseReg, p1 "ptr"); \</span></span>
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<pre style="margin: 0;"> <span id="LC49" class="line" lang="c"><span class="cp" style="color: #999; font-weight: 600;"> } \</span></span>
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<pre style="margin: 0;"> <span id="LC50" class="line" lang="c"><span class="cp" style="color: #999; font-weight: 600;"> StgInd_indirectee(p1) = p2; \</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">@@ -73,7 +73,7 @@ INLINE_HEADER void updateWithIndirection (Capability *cap,</td>
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<pre style="margin: 0;"> <span id="LC73" class="line" lang="c"> <span class="cm" style="color: #998; font-style: italic;">/* not necessarily true: ASSERT( !closure_IND(p1) ); */</span></span>
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<pre style="margin: 0;"> <span id="LC74" class="line" lang="c"> <span class="cm" style="color: #998; font-style: italic;">/* occurs in RaiseAsync.c:raiseAsync() */</span></span>
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<pre style="margin: 0;"> <span id="LC75" class="line" lang="c"> <span class="n" style="color: #333;">OVERWRITING_CLOSURE</span><span class="p">(</span><span class="n" style="color: #333;">p1</span><span class="p">);</span></span>
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<pre style="margin: 0;">-<span id="LC76" class="line" lang="c"> <span class="k" style="font-weight: 600;">if</span> <span class="p">(</span><span class="n" style="color: #333;"><span class="idiff left right">nonmoving_write_barrier_enabled</span></span><span class="p">)</span> <span class="p">{</span></span>
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<pre style="margin: 0;">+<span id="LC76" class="line" lang="c"> <span class="k" style="font-weight: 600;">if</span> <span class="p">(</span><span class="n" style="color: #333;"><span class="idiff left">RTS_UNLIKELY</span></span><span class="p"><span class="idiff">(</span></span><span class="n" style="color: #333;"><span class="idiff">nonmoving_write_barrier_enabled</span></span><span class="p"><span class="idiff right">)</span>)</span> <span class="p">{</span></span>
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<pre style="margin: 0;"> <span id="LC77" class="line" lang="c"> <span class="n" style="color: #333;">updateRemembSetPushThunk</span><span class="p">(</span><span class="n" style="color: #333;">cap</span><span class="p">,</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;">p1</span><span class="p">);</span></span>
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<pre style="margin: 0;"> <span id="LC78" class="line" lang="c"> <span class="p">}</span></span>
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<pre style="margin: 0;"> <span id="LC79" class="line" lang="c"> <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;">p1</span><span class="p">)</span><span class="o" style="font-weight: 600;">-></span><span class="n" style="color: #333;">indirectee</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">p2</span><span class="p">;</span></span>
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<a href="https://gitlab.haskell.org/ghc/ghc/commit/90e0ece0f88d13cf703cc2831f7f9b772b81b4ed#4f5ba3ce18ccc17ad367193f379aa61f4c9180a0"><strong>rts/sm/NonMovingMark.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">@@ -459,8 +459,6 @@ bool check_in_nonmoving_heap(StgClosure *p) {</td>
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<pre style="margin: 0;"> <span id="LC459" 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="LC460" class="line" lang="c"><span class="kt" style="color: #458; font-weight: 600;">void</span> <span class="nf" style="color: #900; font-weight: 600;">updateRemembSetPushThunk</span><span class="p">(</span><span class="n" style="color: #333;">Capability</span> <span class="o" style="font-weight: 600;">*</span><span class="n" style="color: #333;">cap</span><span class="p">,</span> <span class="n" style="color: #333;">StgThunk</span> <span class="o" style="font-weight: 600;">*</span><span class="n" style="color: #333;">thunk</span><span class="p">)</span></span>
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<pre style="margin: 0;"> <span id="LC461" class="line" lang="c"><span class="p">{</span></span>
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<pre style="margin: 0;">-<span id="LC462" class="line" lang="c"> <span class="c1" style="color: #998; font-style: italic;">// TODO: Eliminate this conditional once it's folded into codegen</span></span>
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<pre style="margin: 0;">-<span id="LC463" 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;">nonmoving_write_barrier_enabled</span><span class="p">)</span> <span class="k" style="font-weight: 600;">return</span><span class="p">;</span></span>
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<pre style="margin: 0;"> <span id="LC462" 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;">info</span><span class="p">;</span></span>
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<pre style="margin: 0;"> <span id="LC463" class="line" lang="c"> <span class="k" style="font-weight: 600;">do</span> <span class="p">{</span></span>
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<pre style="margin: 0;"> <span id="LC464" 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_volatile_itbl</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;">thunk</span><span class="p">);</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">@@ -517,14 +515,11 @@ void updateRemembSetPushThunkEager(Capability *cap,</td>
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<pre style="margin: 0;"> <span id="LC515" class="line" lang="c"></span>
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<pre style="margin: 0;"> <span id="LC516" class="line" lang="c"><span class="kt" style="color: #458; font-weight: 600;">void</span> <span class="nf" style="color: #900; font-weight: 600;">updateRemembSetPushThunk_</span><span class="p">(</span><span class="n" style="color: #333;">StgRegTable</span> <span class="o" style="font-weight: 600;">*</span><span class="n" style="color: #333;">reg</span><span class="p">,</span> <span class="n" style="color: #333;">StgThunk</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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<pre style="margin: 0;"> <span id="LC517" class="line" lang="c"><span class="p">{</span></span>
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<pre style="margin: 0;">-<span id="LC520" class="line" lang="c"> <span class="c1" style="color: #998; font-style: italic;">// TODO: Eliminate this conditional once it's folded into codegen</span></span>
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<pre style="margin: 0;">-<span id="LC521" 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;">nonmoving_write_barrier_enabled</span><span class="p">)</span> <span class="k" style="font-weight: 600;">return</span><span class="p">;</span></span>
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<pre style="margin: 0;"> <span id="LC518" class="line" lang="c"> <span class="n" style="color: #333;">updateRemembSetPushThunk</span><span class="p">(</span><span class="n" style="color: #333;">regTableToCapability</span><span class="p">(</span><span class="n" style="color: #333;">reg</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="LC519" class="line" lang="c"><span class="p">}</span></span>
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<pre style="margin: 0;"> <span id="LC520" class="line" lang="c"></span>
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<pre style="margin: 0;"> <span id="LC521" class="line" lang="c"><span class="kt" style="color: #458; font-weight: 600;">void</span> <span class="nf" style="color: #900; font-weight: 600;">updateRemembSetPushClosure</span><span class="p">(</span><span class="n" style="color: #333;">Capability</span> <span class="o" style="font-weight: 600;">*</span><span class="n" style="color: #333;">cap</span><span class="p">,</span> <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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<pre style="margin: 0;"> <span id="LC522" class="line" lang="c"><span class="p">{</span></span>
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<pre style="margin: 0;">-<span id="LC527" 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;">nonmoving_write_barrier_enabled</span><span class="p">)</span> <span class="k" style="font-weight: 600;">return</span><span class="p">;</span></span>
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<pre style="margin: 0;"> <span id="LC523" 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;">check_in_nonmoving_heap</span><span class="p">(</span><span class="n" style="color: #333;">p</span><span class="p">))</span> <span class="k" style="font-weight: 600;">return</span><span class="p">;</span></span>
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<pre style="margin: 0;"> <span id="LC524" class="line" lang="c"> <span class="n" style="color: #333;">MarkQueue</span> <span class="o" style="font-weight: 600;">*</span><span class="n" style="color: #333;">queue</span> <span class="o" style="font-weight: 600;">=</span> <span class="o" style="font-weight: 600;">&</span><span class="n" style="color: #333;">cap</span><span class="o" style="font-weight: 600;">-></span><span class="n" style="color: #333;">upd_rem_set</span><span class="p">.</span><span class="n" style="color: #333;">queue</span><span class="p">;</span></span>
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<pre style="margin: 0;"> <span id="LC525" class="line" lang="c"> <span class="n" style="color: #333;">push_closure</span><span class="p">(</span><span class="n" style="color: #333;">queue</span><span class="p">,</span> <span class="n" style="color: #333;">p</span><span class="p">,</span> <span class="nb" style="color: #0086b3;">NULL</span><span class="p">);</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">@@ -578,8 +573,6 @@ STATIC_INLINE void finish_upd_rem_set_mark(StgClosure *p)</td>
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<pre style="margin: 0;"> <span id="LC573" class="line" lang="c"></span>
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<pre style="margin: 0;"> <span id="LC574" class="line" lang="c"><span class="kt" style="color: #458; font-weight: 600;">void</span> <span class="nf" style="color: #900; font-weight: 600;">updateRemembSetPushTSO</span><span class="p">(</span><span class="n" style="color: #333;">Capability</span> <span class="o" style="font-weight: 600;">*</span><span class="n" style="color: #333;">cap</span><span class="p">,</span> <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="p">)</span></span>
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<pre style="margin: 0;"> <span id="LC575" class="line" lang="c"><span class="p">{</span></span>
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<pre style="margin: 0;">-<span id="LC581" class="line" lang="c"> <span class="c1" style="color: #998; font-style: italic;">// TODO: Eliminate this conditional once it's folded into codegen</span></span>
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<pre style="margin: 0;">-<span id="LC582" 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;">nonmoving_write_barrier_enabled</span><span class="p">)</span> <span class="k" style="font-weight: 600;">return</span><span class="p">;</span></span>
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576
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<pre style="margin: 0;"> <span id="LC576" class="line" lang="c"> <span class="k" style="font-weight: 600;">if</span> <span class="p">(</span><span class="n" style="color: #333;">needs_upd_rem_set_mark</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="p">))</span> <span class="p">{</span></span>
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584
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577
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<pre style="margin: 0;"> <span id="LC577" class="line" lang="c"> <span class="n" style="color: #333;">debugTrace</span><span class="p">(</span><span class="n" style="color: #333;">DEBUG_nonmoving_gc</span><span class="p">,</span> <span class="s" style="color: #d14;">"upd_rem_set: TSO %p"</span><span class="p">,</span> <span class="n" style="color: #333;">tso</span><span class="p">);</span></span>
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<pre style="margin: 0;"> <span id="LC578" class="line" lang="c"> <span class="n" style="color: #333;">mark_tso</span><span class="p">(</span><span class="o" style="font-weight: 600;">&</span><span class="n" style="color: #333;">cap</span><span class="o" style="font-weight: 600;">-></span><span class="n" style="color: #333;">upd_rem_set</span><span class="p">.</span><span class="n" style="color: #333;">queue</span><span class="p">,</span> <span class="n" style="color: #333;">tso</span><span class="p">);</span></span>
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<li id="0bfe9d4217bccddd6b00d2d6a5e56e7de4c86273">
<a href="https://gitlab.haskell.org/ghc/ghc/commit/90e0ece0f88d13cf703cc2831f7f9b772b81b4ed#0bfe9d4217bccddd6b00d2d6a5e56e7de4c86273"><strong>rts/sm/Storage.c</strong></a>
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<td class="diff-line-num unfold js-unfold new_line" data-linenumber="430" 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">@@ -430,7 +430,7 @@ lockCAF (StgRegTable *reg, StgIndStatic *caf)</td>
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<pre style="margin: 0;"> <span id="LC430" class="line" lang="c"> <span class="c1" style="color: #998; font-style: italic;">// reference should be in SRTs</span></span>
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<pre style="margin: 0;"> <span id="LC431" class="line" lang="c"> <span class="n" style="color: #333;">ASSERT</span><span class="p">(</span><span class="n" style="color: #333;">orig_info_tbl</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="o" style="font-weight: 600;">==</span> <span class="mi" style="color: #099;">0</span><span class="p">);</span></span>
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<pre style="margin: 0;"> <span id="LC432" class="line" lang="c"> <span class="c1" style="color: #998; font-style: italic;">// Becuase the payload is empty we just push the SRT</span></span>
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<pre style="margin: 0;">-<span id="LC433" class="line" lang="c"> <span class="k" style="font-weight: 600;">if</span> <span class="p">(</span><span class="n" style="color: #333;"><span class="idiff left right">nonmoving_write_barrier_enabled</span></span><span class="p">)</span> <span class="p">{</span></span>
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<pre style="margin: 0;">+<span id="LC433" class="line" lang="c"> <span class="k" style="font-weight: 600;">if</span> <span class="p">(</span><span class="n" style="color: #333;"><span class="idiff left">RTS_UNLIKELY</span></span><span class="p"><span class="idiff">(</span></span><span class="n" style="color: #333;"><span class="idiff">nonmoving_write_barrier_enabled</span></span><span class="p"><span class="idiff right">)</span>)</span> <span class="p">{</span></span>
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<pre style="margin: 0;"> <span id="LC434" class="line" lang="c"> <span class="n" style="color: #333;">StgThunkInfoTable</span> <span class="o" style="font-weight: 600;">*</span><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;">orig_info_tbl</span><span class="p">);</span></span>
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<pre style="margin: 0;"> <span id="LC435" 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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<pre style="margin: 0;"> <span id="LC436" class="line" lang="c"> <span class="n" style="color: #333;">updateRemembSetPushClosure</span><span class="p">(</span><span class="n" style="color: #333;">cap</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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<td class="diff-line-num unfold js-unfold 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">...</td>
<td class="diff-line-num unfold js-unfold 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">...</td>
<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -1140,7 +1140,7 @@ dirty_MUT_VAR(StgRegTable *reg, StgMutVar *mvar, StgClosure *old)</td>
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1140
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<pre style="margin: 0;"> <span id="LC1140" class="line" lang="c"> <span class="k" style="font-weight: 600;">if</span> <span class="p">(</span><span class="n" style="color: #333;">mvar</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="o" style="font-weight: 600;">==</span> <span class="o" style="font-weight: 600;">&</span><span class="n" style="color: #333;">stg_MUT_VAR_CLEAN_info</span><span class="p">)</span> <span class="p">{</span></span>
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<pre style="margin: 0;"> <span id="LC1141" class="line" lang="c"> <span class="n" style="color: #333;">mvar</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="o" style="font-weight: 600;">=</span> <span class="o" style="font-weight: 600;">&</span><span class="n" style="color: #333;">stg_MUT_VAR_DIRTY_info</span><span class="p">;</span></span>
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<pre style="margin: 0;"> <span id="LC1142" class="line" lang="c"> <span class="n" style="color: #333;">recordClosureMutated</span><span class="p">(</span><span class="n" style="color: #333;">cap</span><span class="p">,</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;">mvar</span><span class="p">);</span></span>
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<pre style="margin: 0;">-<span id="LC1143" class="line" lang="c"> <span class="k" style="font-weight: 600;">if</span> <span class="p">(</span><span class="n" style="color: #333;"><span class="idiff left">nonmoving_write_barrier_enabled</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">!=</span></span><span class="idiff"> </span><span class="mi" style="color: #099;"><span class="idiff right">0</span></span><span class="p">)</span> <span class="p">{</span></span>
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1143
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<pre style="margin: 0;">+<span id="LC1143" class="line" lang="c"> <span class="k" style="font-weight: 600;">if</span> <span class="p">(</span><span class="n" style="color: #333;"><span class="idiff left">RTS_UNLIKELY</span></span><span class="p"><span class="idiff">(</span></span><span class="n" style="color: #333;"><span class="idiff">nonmoving_write_barrier_enabled</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">!=</span></span><span class="idiff"> </span><span class="mi" style="color: #099;"><span class="idiff">0</span></span><span class="p"><span class="idiff right">)</span>)</span> <span class="p">{</span></span>
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1144
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1144
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<pre style="margin: 0;"> <span id="LC1144" class="line" lang="c"> <span class="n" style="color: #333;">updateRemembSetPushClosure_</span><span class="p">(</span><span class="n" style="color: #333;">reg</span><span class="p">,</span> <span class="n" style="color: #333;">old</span><span class="p">);</span></span>
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1145
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1145
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<pre style="margin: 0;"> <span id="LC1145" class="line" lang="c"> <span class="p">}</span></span>
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1146
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1146
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<pre style="margin: 0;"> <span id="LC1146" 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="1159" 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="1159" 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">@@ -1159,7 +1159,7 @@ dirty_TVAR(Capability *cap, StgTVar *p,</td>
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1159
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1159
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<pre style="margin: 0;"> <span id="LC1159" class="line" lang="c"> <span class="k" style="font-weight: 600;">if</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="o" style="font-weight: 600;">==</span> <span class="o" style="font-weight: 600;">&</span><span class="n" style="color: #333;">stg_TVAR_CLEAN_info</span><span class="p">)</span> <span class="p">{</span></span>
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<td class="diff-line-num old_line" data-linenumber="1160" 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">
1160
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1160
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<pre style="margin: 0;"> <span id="LC1160" 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;">header</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_TVAR_DIRTY_info</span><span class="p">;</span></span>
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<td class="diff-line-num old_line" data-linenumber="1161" 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">
1161
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<td class="diff-line-num new_line" data-linenumber="1161" 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">
1161
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<pre style="margin: 0;"> <span id="LC1161" class="line" lang="c"> <span class="n" style="color: #333;">recordClosureMutated</span><span class="p">(</span><span class="n" style="color: #333;">cap</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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1162
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<pre style="margin: 0;">-<span id="LC1162" class="line" lang="c"> <span class="k" style="font-weight: 600;">if</span> <span class="p">(</span><span class="n" style="color: #333;"><span class="idiff left">nonmoving_write_barrier_enabled</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">!=</span></span><span class="idiff"> </span><span class="mi" style="color: #099;"><span class="idiff right">0</span></span><span class="p">)</span> <span class="p">{</span></span>
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<td class="diff-line-num new old_line" data-linenumber="1163" 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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1162
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<pre style="margin: 0;">+<span id="LC1162" class="line" lang="c"> <span class="k" style="font-weight: 600;">if</span> <span class="p">(</span><span class="n" style="color: #333;"><span class="idiff left">RTS_UNLIKELY</span></span><span class="p"><span class="idiff">(</span></span><span class="n" style="color: #333;"><span class="idiff">nonmoving_write_barrier_enabled</span></span><span class="idiff"> </span><span class="o" style="font-weight: 600;"><span class="idiff">!=</span></span><span class="idiff"> </span><span class="mi" style="color: #099;"><span class="idiff">0</span></span><span class="p"><span class="idiff right">)</span>)</span> <span class="p">{</span></span>
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1163
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1163
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<pre style="margin: 0;"> <span id="LC1163" class="line" lang="c"> <span class="n" style="color: #333;">updateRemembSetPushClosure</span><span class="p">(</span><span class="n" style="color: #333;">cap</span><span class="p">,</span> <span class="n" style="color: #333;">old</span><span class="p">);</span></span>
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1164
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1164
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<pre style="margin: 0;"> <span id="LC1164" class="line" lang="c"> <span class="p">}</span></span>
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1165
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1165
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<pre style="margin: 0;"> <span id="LC1165" 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="1176" 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="1176" 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">@@ -1176,7 +1176,7 @@ setTSOLink (Capability *cap, StgTSO *tso, StgTSO *target)</td>
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1176
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1176
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<pre style="margin: 0;"> <span id="LC1176" class="line" lang="c"> <span class="k" style="font-weight: 600;">if</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;">dirty</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="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">
1177
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1177
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<pre style="margin: 0;"> <span id="LC1177" class="line" lang="c"> <span class="n" style="color: #333;">tso</span><span class="o" style="font-weight: 600;">-></span><span class="n" style="color: #333;">dirty</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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<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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1178
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<pre style="margin: 0;"> <span id="LC1178" class="line" lang="c"> <span class="n" style="color: #333;">recordClosureMutated</span><span class="p">(</span><span class="n" style="color: #333;">cap</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="p">);</span></span>
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<td class="diff-line-num old old_line" data-linenumber="1179" 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">
1179
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<pre style="margin: 0;">-<span id="LC1179" class="line" lang="c"> <span class="k" style="font-weight: 600;">if</span> <span class="p">(</span><span class="n" style="color: #333;"><span class="idiff left right">nonmoving_write_barrier_enabled</span></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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1179
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<pre style="margin: 0;">+<span id="LC1179" class="line" lang="c"> <span class="k" style="font-weight: 600;">if</span> <span class="p">(</span><span class="n" style="color: #333;"><span class="idiff left">RTS_UNLIKELY</span></span><span class="p"><span class="idiff">(</span></span><span class="n" style="color: #333;"><span class="idiff">nonmoving_write_barrier_enabled</span></span><span class="p"><span class="idiff right">)</span>)</span></span>
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1180
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1180
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<pre style="margin: 0;"> <span id="LC1180" class="line" lang="c"> <span class="n" style="color: #333;">updateRemembSetPushClosure</span><span class="p">(</span><span class="n" style="color: #333;">cap</span><span class="p">,</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;">_link</span><span class="p">);</span></span>
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1181
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1181
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<pre style="margin: 0;"> <span id="LC1181" class="line" lang="c"> <span class="p">}</span></span>
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1182
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1182
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<pre style="margin: 0;"> <span id="LC1182" class="line" lang="c"> <span class="n" style="color: #333;">tso</span><span class="o" style="font-weight: 600;">-></span><span class="n" style="color: #333;">_link</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">target</span><span class="p">;</span></span>
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<td class="diff-line-num unfold js-unfold old_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">...</td>
<td class="diff-line-num unfold js-unfold 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">...</td>
<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -1188,7 +1188,7 @@ setTSOPrev (Capability *cap, StgTSO *tso, StgTSO *target)</td>
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1188
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1188
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<pre style="margin: 0;"> <span id="LC1188" class="line" lang="c"> <span class="k" style="font-weight: 600;">if</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;">dirty</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="1189" 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">
1189
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1189
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<pre style="margin: 0;"> <span id="LC1189" class="line" lang="c"> <span class="n" style="color: #333;">tso</span><span class="o" style="font-weight: 600;">-></span><span class="n" style="color: #333;">dirty</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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<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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1190
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<pre style="margin: 0;"> <span id="LC1190" class="line" lang="c"> <span class="n" style="color: #333;">recordClosureMutated</span><span class="p">(</span><span class="n" style="color: #333;">cap</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="p">);</span></span>
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1191
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<pre style="margin: 0;">-<span id="LC1191" class="line" lang="c"> <span class="k" style="font-weight: 600;">if</span> <span class="p">(</span><span class="n" style="color: #333;"><span class="idiff left right">nonmoving_write_barrier_enabled</span></span><span class="p">)</span></span>
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1191
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<pre style="margin: 0;">+<span id="LC1191" class="line" lang="c"> <span class="k" style="font-weight: 600;">if</span> <span class="p">(</span><span class="n" style="color: #333;"><span class="idiff left">RTS_UNLIKELY</span></span><span class="p"><span class="idiff">(</span></span><span class="n" style="color: #333;"><span class="idiff">nonmoving_write_barrier_enabled</span></span><span class="p"><span class="idiff right">)</span>)</span></span>
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1192
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1192
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<pre style="margin: 0;"> <span id="LC1192" class="line" lang="c"> <span class="n" style="color: #333;">updateRemembSetPushClosure</span><span class="p">(</span><span class="n" style="color: #333;">cap</span><span class="p">,</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;">block_info</span><span class="p">.</span><span class="n" style="color: #333;">prev</span><span class="p">);</span></span>
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1193
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1193
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<pre style="margin: 0;"> <span id="LC1193" class="line" lang="c"> <span class="p">}</span></span>
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1194
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1194
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<pre style="margin: 0;"> <span id="LC1194" class="line" lang="c"> <span class="n" style="color: #333;">tso</span><span class="o" style="font-weight: 600;">-></span><span class="n" style="color: #333;">block_info</span><span class="p">.</span><span class="n" style="color: #333;">prev</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">target</span><span class="p">;</span></span>
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<td class="diff-line-num unfold js-unfold old_line" data-linenumber="1202" 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="1202" 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">@@ -1202,7 +1202,7 @@ dirty_TSO (Capability *cap, StgTSO *tso)</td>
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1202
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1202
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<pre style="margin: 0;"> <span id="LC1202" class="line" lang="c"> <span class="n" style="color: #333;">recordClosureMutated</span><span class="p">(</span><span class="n" style="color: #333;">cap</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="p">);</span></span>
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1203
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1203
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<pre style="margin: 0;"> <span id="LC1203" class="line" lang="c"> <span class="p">}</span></span>
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1204
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1204
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<pre style="margin: 0;"> <span id="LC1204" class="line" lang="c"></span>
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1205
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<pre style="margin: 0;">-<span id="LC1205" class="line" lang="c"> <span class="k" style="font-weight: 600;">if</span> <span class="p">(</span><span class="n" style="color: #333;"><span class="idiff left right">nonmoving_write_barrier_enabled</span></span><span class="p">)</span></span>
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<td class="diff-line-num new old_line" data-linenumber="1206" 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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1205
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<pre style="margin: 0;">+<span id="LC1205" class="line" lang="c"> <span class="k" style="font-weight: 600;">if</span> <span class="p">(</span><span class="n" style="color: #333;"><span class="idiff left">RTS_UNLIKELY</span></span><span class="p"><span class="idiff">(</span></span><span class="n" style="color: #333;"><span class="idiff">nonmoving_write_barrier_enabled</span></span><span class="p"><span class="idiff right">)</span>)</span></span>
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1206
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1206
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<pre style="margin: 0;"> <span id="LC1206" class="line" lang="c"> <span class="n" style="color: #333;">updateRemembSetPushTSO</span><span class="p">(</span><span class="n" style="color: #333;">cap</span><span class="p">,</span> <span class="n" style="color: #333;">tso</span><span class="p">);</span></span>
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1207
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1207
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<pre style="margin: 0;"> <span id="LC1207" class="line" lang="c"><span class="p">}</span></span>
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1208
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1208
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<pre style="margin: 0;"> <span id="LC1208" class="line" lang="c"></span>
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<td class="diff-line-num unfold js-unfold old_line" data-linenumber="1211" 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="1211" 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">@@ -1211,7 +1211,7 @@ dirty_STACK (Capability *cap, StgStack *stack)</td>
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1211
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1211
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<pre style="margin: 0;"> <span id="LC1211" class="line" lang="c"><span class="p">{</span></span>
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1212
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<pre style="margin: 0;"> <span id="LC1212" class="line" lang="c"> <span class="c1" style="color: #998; font-style: italic;">// First push to upd_rem_set before we set stack->dirty since we</span></span>
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1213
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1213
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<pre style="margin: 0;"> <span id="LC1213" class="line" lang="c"> <span class="c1" style="color: #998; font-style: italic;">// the nonmoving collector may already be marking the stack.</span></span>
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<pre style="margin: 0;">-<span id="LC1214" class="line" lang="c"> <span class="k" style="font-weight: 600;">if</span> <span class="p">(</span><span class="n" style="color: #333;"><span class="idiff left right">nonmoving_write_barrier_enabled</span></span><span class="p">)</span></span>
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<pre style="margin: 0;">+<span id="LC1214" class="line" lang="c"> <span class="k" style="font-weight: 600;">if</span> <span class="p">(</span><span class="n" style="color: #333;"><span class="idiff left">RTS_UNLIKELY</span></span><span class="p"><span class="idiff">(</span></span><span class="n" style="color: #333;"><span class="idiff">nonmoving_write_barrier_enabled</span></span><span class="p"><span class="idiff right">)</span>)</span></span>
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1215
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<pre style="margin: 0;"> <span id="LC1215" class="line" lang="c"> <span class="n" style="color: #333;">updateRemembSetPushStack</span><span class="p">(</span><span class="n" style="color: #333;">cap</span><span class="p">,</span> <span class="n" style="color: #333;">stack</span><span class="p">);</span></span>
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1216
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1216
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<pre style="margin: 0;"> <span id="LC1216" class="line" lang="c"></span>
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1217
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1217
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<pre style="margin: 0;"> <span id="LC1217" 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="p">(</span><span class="n" style="color: #333;">stack</span><span class="o" style="font-weight: 600;">-></span><span class="n" style="color: #333;">dirty</span> <span class="o" style="font-weight: 600;">&</span> <span class="n" style="color: #333;">STACK_DIRTY</span><span class="p">))</span> <span class="p">{</span></span>
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<td class="diff-line-num unfold js-unfold old_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">...</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">@@ -1236,7 +1236,7 @@ void</td>
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1236
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<pre style="margin: 0;"> <span id="LC1236" class="line" lang="c"><span class="nf" style="color: #900; font-weight: 600;">update_MVAR</span><span class="p">(</span><span class="n" style="color: #333;">StgRegTable</span> <span class="o" style="font-weight: 600;">*</span><span class="n" style="color: #333;">reg</span><span class="p">,</span> <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 class="n" style="color: #333;">StgClosure</span> <span class="o" style="font-weight: 600;">*</span><span class="n" style="color: #333;">old_val</span><span class="p">)</span></span>
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<pre style="margin: 0;"> <span id="LC1237" class="line" lang="c"><span class="p">{</span></span>
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<td class="diff-line-num old_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;">Capability</span> <span class="o" style="font-weight: 600;">*</span><span class="n" style="color: #333;">cap</span> <span class="o" style="font-weight: 600;">=</span> <span class="n" style="color: #333;">regTableToCapability</span><span class="p">(</span><span class="n" style="color: #333;">reg</span><span class="p">);</span></span>
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1239
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<pre style="margin: 0;">-<span id="LC1239" class="line" lang="c"> <span class="k" style="font-weight: 600;">if</span> <span class="p">(</span><span class="n" style="color: #333;"><span class="idiff left right">nonmoving_write_barrier_enabled</span></span><span class="p">)</span> <span class="p">{</span></span>
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1239
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<pre style="margin: 0;">+<span id="LC1239" class="line" lang="c"> <span class="k" style="font-weight: 600;">if</span> <span class="p">(</span><span class="n" style="color: #333;"><span class="idiff left">RTS_UNLIKELY</span></span><span class="p"><span class="idiff">(</span></span><span class="n" style="color: #333;"><span class="idiff">nonmoving_write_barrier_enabled</span></span><span class="p"><span class="idiff right">)</span>)</span> <span class="p">{</span></span>
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1240
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1240
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<pre style="margin: 0;"> <span id="LC1240" class="line" lang="c"> <span class="n" style="color: #333;">StgMVar</span> <span class="o" style="font-weight: 600;">*</span><span class="n" style="color: #333;">mvar</span> <span class="o" style="font-weight: 600;">=</span> <span class="p">(</span><span class="n" style="color: #333;">StgMVar</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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1241
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1241
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<pre style="margin: 0;"> <span id="LC1241" class="line" lang="c"> <span class="n" style="color: #333;">updateRemembSetPushClosure</span><span class="p">(</span><span class="n" style="color: #333;">cap</span><span class="p">,</span> <span class="n" style="color: #333;">old_val</span><span class="p">);</span></span>
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1242
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1242
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<pre style="margin: 0;"> <span id="LC1242" class="line" lang="c"> <span class="n" style="color: #333;">updateRemembSetPushClosure</span><span class="p">(</span><span class="n" style="color: #333;">cap</span><span class="p">,</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;">mvar</span><span class="o" style="font-weight: 600;">-></span><span class="n" style="color: #333;">head</span><span class="p">);</span></span>
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