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<h3>
Peter Trommler pushed to branch wip/cross-ppr-floats
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/f4cc57fa2df08f5b33a4cf86c3e041b8de9f6ebf">f4cc57fa</a></strong>
<div>
<span>by Ben Gamari</span>
<i>at 2020-08-18T15:38:55-04:00</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">Allow unsaturated runRW# applications
Previously we had a very aggressive Core Lint check which caught
unsaturated applications of runRW#. However, there is nothing
wrong with such applications and they may naturally arise in desugared
Core. For instance, the desugared Core of Data.Primitive.Array.runArray#
from the `primitive` package contains:
case ($) (runRW# @_ @_) (\s -> ...) of ...
In this case it's almost certain that ($) will be inlined, turning the
application into a saturated application. However, even if this weren't
the case there isn't a problem: CorePrep (after deleting an unnecessary
case) can simply generate code in its usual way, resulting in a call to
the Haskell definition of runRW#.
Fixes #18291.
</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/3ac6ae7c8d5a66bfe36973d1e92f3feef482d589">3ac6ae7c</a></strong>
<div>
<span>by Ben Gamari</span>
<i>at 2020-08-18T15:38:55-04:00</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">testsuite: Add test for #18291
</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/a87a0b498f4c93c33e3db8d7f68fbaa5d812b408">a87a0b49</a></strong>
<div>
<span>by Eli Schwartz</span>
<i>at 2020-08-18T15:39:30-04:00</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">install: do not install sphinx doctrees
These files are 100% not needed at install time, and they contain
unreproducible info. See https://reproducible-builds.org/ for why this
matters.
</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/194b25ee97d93bc4bcb5bed9a0454debba7f2b6a">194b25ee</a></strong>
<div>
<span>by Ben Gamari</span>
<i>at 2020-08-18T15:40:05-04:00</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">testsuite: Allow baseline commit to be set explicitly
</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/fdcf76450348d0554b7fd1768331f9efaf691e13">fdcf7645</a></strong>
<div>
<span>by Ben Gamari</span>
<i>at 2020-08-18T15:40:05-04:00</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">gitlab-ci: Use MR base commit as performance baseline
</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/9ad5cab33b8b78a346896cc6de555365c73e6298">9ad5cab3</a></strong>
<div>
<span>by Fendor</span>
<i>at 2020-08-18T15:40:42-04:00</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">Expose UnitInfoMap as it is part of the public API
</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/aa4b744d51aa6bdb46064f981ea8e001627921d6">aa4b744d</a></strong>
<div>
<span>by Ben Gamari</span>
<i>at 2020-08-18T22:11:36-04:00</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">testsuite: Only run llvm ways if llc is available
As noted in #18560, we previously would always run the LLVM ways since
`configure` would set `SettingsLlcCommand` to something non-null when
it otherwise couldn't find the `llc` executable. Now we rather probe for
the existence of the `llc` executable in the testsuite driver.
Fixes #18560.
</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/0c5ed5c7eb30bc5462b67ff097c3388597265a4b">0c5ed5c7</a></strong>
<div>
<span>by Sylvain Henry</span>
<i>at 2020-08-18T22:12:13-04:00</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">DynFlags: refactor GHC.CmmToAsm (#17957, #10143)
This patch removes the use of `sdocWithDynFlags` from GHC.CmmToAsm.*.Ppr
To do that I've had to make some refactoring:
* X86' and PPC's `Instr` are no longer `Outputable` as they require a
`Platform` argument
* `Instruction` class now exposes `pprInstr :: Platform -> instr -> SDoc`
* as a consequence, I've refactored some modules to avoid .hs-boot files
* added (derived) functor instances for some datatypes parametric in the
instruction type. It's useful for pretty-printing as we just have to
map `pprInstr` before pretty-printing the container datatype.
</pre>
</li>
<li>
<strong><a href="https://gitlab.haskell.org/ghc/ghc/-/commit/5fe1ecb271156e8a90c30dfcf5c3e2586fbfa43c">5fe1ecb2</a></strong>
<div>
<span>by Peter Trommler</span>
<i>at 2020-08-19T12:09:03+02:00</i>
</div>
<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">PPC and X86: Portable printing of IEEE floats
GNU as and the AIX assembler support floating point literals.
SPARC seems to have support too but I cannot test on SPARC.
Curiously, `doubleToBytes` is also used in the LLVM backend.
To avoid endianness issues when cross-compiling float and double literals
are printed as C-style floating point values. The assembler then takes
care of memory layout and endianness.
This was brought up in #18431 by @hsyl20.
</pre>
</li>
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<h4>30 changed files:</h4>
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<a href="#587d266bb27a4dc3022bbed44dfa19849df3044c">
.gitlab-ci.yml
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<a href="#157f7634c25bc6366cb7c9c9edb48e819dce38db">
.gitlab/ci.sh
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<a href="#f73a4fa90a8eb153bccdcfcc9f63c15edcd66785">
compiler/GHC/Cmm.hs
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<a href="#10b61652f9817945bb54ccf8fc40f8a664ca3c30">
compiler/GHC/CmmToAsm.hs
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<a href="#5986ebaacfa99d264abfd2f7ef19d99a64db720f">
compiler/GHC/CmmToAsm/BlockLayout.hs
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<a href="#ee14f325b8d394d681c0d3c18a3477016d1092ef">
compiler/GHC/CmmToAsm/Instr.hs
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<a href="#ea29061dab1b843e0ea9294afc614998f3a8d08f">
compiler/GHC/CmmToAsm/Monad.hs
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<a href="#ce4acbced40df8012ccc56db501549f835fb180b">
compiler/GHC/CmmToAsm/PIC.hs
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compiler/GHC/CmmToAsm/PPC/CodeGen.hs
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<a href="#89f8a68c62e7b5e239f8d8d532820fc086d29140">
compiler/GHC/CmmToAsm/PPC/Instr.hs
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compiler/GHC/CmmToAsm/PPC/Ppr.hs
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compiler/GHC/CmmToAsm/Ppr.hs
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compiler/GHC/CmmToAsm/Reg/Graph.hs
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compiler/GHC/CmmToAsm/Reg/Graph/SpillCost.hs
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<a href="#23fa440e58d1f384d18650b52802ad6d03891572">
compiler/GHC/CmmToAsm/Reg/Graph/Stats.hs
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compiler/GHC/CmmToAsm/Reg/Linear.hs
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compiler/GHC/CmmToAsm/Reg/Linear/JoinToTargets.hs
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compiler/GHC/CmmToAsm/Reg/Linear/Stats.hs
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compiler/GHC/CmmToAsm/Reg/Liveness.hs
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compiler/GHC/CmmToAsm/SPARC/CodeGen.hs
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compiler/GHC/CmmToAsm/SPARC/CodeGen/Gen64.hs
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compiler/GHC/CmmToAsm/SPARC/CodeGen/Sanity.hs
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compiler/GHC/CmmToAsm/SPARC/Instr.hs
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compiler/GHC/CmmToAsm/SPARC/Ppr.hs
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<h5>The diff was not included because it is too large.</h5>
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