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<h3>
Marge Bot pushed to branch wip/marge_bot_batch_merge_job
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/78f2767d4db5e69a142ac6a408a217b11c35949d">78f2767d</a></strong>
<div>
<span>by Matthew Pickering</span>
<i>at 2020-11-03T17:39:53-05:00</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">Update inlining flags documentation
</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/14ce454f7294381225b4211dc191a167a386e380">14ce454f</a></strong>
<div>
<span>by Sylvain Henry</span>
<i>at 2020-11-03T17:40:34-05:00</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">Linker: reorganize linker related code
Move linker related code into GHC.Linker. Previously it was scattered
into GHC.Unit.State, GHC.Driver.Pipeline, GHC.Runtime.Linker, etc.
Add documentation in GHC.Linker
</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/616bec0dee67ae4841c4e60e9406cc9c63358223">616bec0d</a></strong>
<div>
<span>by Alan Zimmerman</span>
<i>at 2020-11-03T17:41:10-05:00</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">Restrict Linear arrow %1 to exactly literal 1 only
This disallows `a %001 -> b`, and makes sure the type literal is
printed from its SourceText so it is clear why.
Closes #18888
</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/3486ebe6f960cc55d52c1e645ee15fdeb277d0ab">3486ebe6</a></strong>
<div>
<span>by Sylvain Henry</span>
<i>at 2020-11-03T17:41:48-05:00</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">Hadrian: don't fail if ghc-tarballs dir doesn't exist
</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/37f0434d65fa0891a961504c8882893fad7609c6">37f0434d</a></strong>
<div>
<span>by Sylvain Henry</span>
<i>at 2020-11-03T17:42:26-05:00</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">Constant-folding: don't pass through GHC's Int/Word (fix #11704)
Constant-folding rules for integerToWord/integerToInt were performing
the following coercions at compilation time:
integerToWord: target's Integer -> ghc's Word -> target's Word
integerToInt : target's Integer -> ghc's Int -> target's Int
1) It was wrong for cross-compilers when GHC's word size is smaller than
the target one. This patch avoids passing through GHC's word-sized
types:
integerToWord: target's Integer -> ghc's Integer -> target's Word
integerToInt : target's Integer -> ghc's Integer -> target's Int
2) Additionally we didn't wrap the target word/int literal to make it
fit into the target's range! This broke the invariant of literals
only containing values in range.
The existing code is wrong only with a 64-bit cross-compiling GHC,
targeting a 32-bit platform, and performing constant folding on a
literal that doesn't fit in a 32-bit word. If GHC was built with
DEBUG, the assertion in GHC.Types.Literal.mkLitWord would fail.
Otherwise the bad transformation would go unnoticed.
</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/bff74de713dac3e62c3bb6f1946e0649549f2215">bff74de7</a></strong>
<div>
<span>by Sylvain Henry</span>
<i>at 2020-11-03T17:43:03-05:00</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">Bignum: make GMP's bignat_add not recursive
bignat_add was a loopbreaker with an INLINE pragma (spotted by
@mpickering). This patch makes it non recursive to avoid the issue.
</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/920deca10a22ff8b4713a5928286324efb7607a4">920deca1</a></strong>
<div>
<span>by Andreas Klebinger</span>
<i>at 2020-11-04T10:47:12-05:00</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">NCG: Fix 64bit int comparisons on 32bit x86
We no compare these by doing 64bit subtraction and
checking the resulting flags.
We used to do this differently but the old approach was
broken when the high bits compared equal and the comparison
was one of >= or <=.
The new approach should be both correct and faster.
</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/cebcd195aeaa51be486663b38acdb15fc7bbac2b">cebcd195</a></strong>
<div>
<span>by Andreas Klebinger</span>
<i>at 2020-11-04T10:47:12-05:00</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">Testsuite: Support for user supplied package dbs
We can now supply additional package dbs to the testsuite.
For make the package db can be supplied by
passing PACKAGE_DB=/path/to/db.
In the testsuite driver it's passed via the --test-package-db
argument.
</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/f782f586c353afe0999dbc189af5213ec3bf8817">f782f586</a></strong>
<div>
<span>by Sylvain Henry</span>
<i>at 2020-11-04T10:47:16-05:00</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">Don't use LEA with 8-bit registers (#18614)
</pre>
</li>
</ul>
<h4>30 changed files:</h4>
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<li class="file-stats">
<a href="#d0d96a6d03668aeab20ebe05e2c4ccb798c7e64c">
compiler/GHC.hs
</a>
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<li class="file-stats">
<a href="#2bae5947e9412f6deebf4db7dcb89d780913130f">
compiler/GHC/CmmToAsm/X86/CodeGen.hs
</a>
</li>
<li class="file-stats">
<a href="#0f6d4f3a187ff5a5b59934f5a93adf2d4eed24ad">
compiler/GHC/CmmToAsm/X86/Cond.hs
</a>
</li>
<li class="file-stats">
<a href="#182d6a315e784018aa9c8b2ad736036b97bd5d48">
compiler/GHC/Core.hs
</a>
</li>
<li class="file-stats">
<a href="#35cff95f9f44690fc50b44bbe8ac3c554c7d5a5e">
compiler/GHC/Core/Make.hs
</a>
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<li class="file-stats">
<a href="#aa79261abf782f3dc603af7fbd5c4b08ed3ddb88">
compiler/GHC/Core/Opt/ConstantFold.hs
</a>
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<li class="file-stats">
<a href="#dbce6cb5e8f3d5287103c66d1a56ad63bbbd11a9">
compiler/GHC/Driver/Backpack.hs
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<li class="file-stats">
<a href="#c7700b61eaeb27e90fb2f1acc6cfd53ddaa4d690">
compiler/GHC/Driver/Env.hs
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<li class="file-stats">
<a href="#9a679a2680ef6061397f1987091ea9f96ffe095d">
compiler/GHC/Driver/Main.hs
</a>
</li>
<li class="file-stats">
<a href="#1dab250036d04cfcf3530f6ff27889f723cc2dda">
compiler/GHC/Driver/Make.hs
</a>
</li>
<li class="file-stats">
<a href="#b8e6af642e56019828828dc679683c04afb81867">
compiler/GHC/Driver/Pipeline.hs
</a>
</li>
<li class="file-stats">
<a href="#018be522bc4813b147a1525e4f96a7a493207d96">
compiler/GHC/Hs/Type.hs
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<li class="file-stats">
<a href="#9f0ddacf1490a1a7356d3b8c1b8506b1a8bc6ad4">
compiler/GHC/HsToCore/Foreign/Decl.hs
</a>
</li>
<li class="file-stats">
<a href="#74a7b3677ea9cb2138e0b682ce38fd67dbf57c14">
compiler/GHC/HsToCore/Usage.hs
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<li class="file-stats">
<a href="#9a73e96e44e832a1552fc6bfd3939464f00823a2">
compiler/GHC/Iface/Tidy/StaticPtrTable.hs
</a>
</li>
<li class="file-stats">
<a href="#7ffa60cec91505b15ff481361944b68665535593">
<span class="new-file">
+
compiler/GHC/Linker.hs
</span>
</a>
</li>
<li class="file-stats">
<a href="#6629f73ebdf798e86fd66cf0baf36a2029964a43">
<span class="new-file">
+
compiler/GHC/Linker/Dynamic.hs
</span>
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</li>
<li class="file-stats">
<a href="#cab7a3bc12a3ac9ecc60c12e0d791a02d1eb830f">
compiler/GHC/SysTools/ExtraObj.hs
→
compiler/GHC/Linker/ExtraObj.hs
</a>
</li>
<li class="file-stats">
<a href="#5aa3321b0f5c08d7ebfa1a4a3340d4451258988b">
compiler/GHC/Runtime/Linker.hs
→
compiler/GHC/Linker/Loader.hs
</a>
</li>
<li class="file-stats">
<a href="#195d402e82767aba8bfcc1bc191497dc297d3962">
<span class="new-file">
+
compiler/GHC/Linker/MacOS.hs
</span>
</a>
</li>
<li class="file-stats">
<a href="#839d3c51d062f0607a2ca3d9b70aa8c66a993e7d">
<span class="new-file">
+
compiler/GHC/Linker/Static.hs
</span>
</a>
</li>
<li class="file-stats">
<a href="#d4c7e80d0458dd6a2a45a2f3c1ca5826d3fa1cba">
compiler/GHC/Runtime/Linker/Types.hs
→
compiler/GHC/Linker/Types.hs
</a>
</li>
<li class="file-stats">
<a href="#466da626d7f00733966885dfd548209d3f543923">
<span class="new-file">
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compiler/GHC/Linker/Unit.hs
</span>
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<li class="file-stats">
<a href="#59ed0d1d46f8bd9abe709d03e2218a1654fe4a33">
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compiler/GHC/Linker/Windows.hs
</span>
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</li>
<li class="file-stats">
<a href="#446cb12ca6cefaf1c6eb79b7db643632744263c7">
compiler/GHC/Parser/PostProcess.hs
</a>
</li>
<li class="file-stats">
<a href="#8354467a9f7f92c6aafb2f9edbc73a0cdbeeec3c">
compiler/GHC/Runtime/Debugger.hs
</a>
</li>
<li class="file-stats">
<a href="#173c7eb846a4e9b5fee79688a72cbf6a326e4e1e">
compiler/GHC/Runtime/Eval.hs
</a>
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<li class="file-stats">
<a href="#efe7444c09eed0fdaa83e6904e6328fb435620bf">
compiler/GHC/Runtime/Interpreter.hs
</a>
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<li class="file-stats">
<a href="#f5bf08d06298fee515f928eacddd8f46477717d9">
compiler/GHC/Runtime/Loader.hs
</a>
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<li class="file-stats">
<a href="#da695c624a1f82e3d4e3097fd8be3602ffc1ae92">
compiler/GHC/SysTools.hs
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</ul>
<h5>The diff was not included because it is too large.</h5>
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