]> git.ipfire.org Git - thirdparty/Python/cpython.git/commitdiff
gh-103097: Add workaround for Windows ARM64 compiler bug (GH-103098)
authorSteve Dower <steve.dower@python.org>
Wed, 29 Mar 2023 14:33:39 +0000 (15:33 +0100)
committerGitHub <noreply@github.com>
Wed, 29 Mar 2023 14:33:39 +0000 (15:33 +0100)
See https://developercommunity.visualstudio.com/t/Regression-in-MSVC-1433-1434-ARM64-co/10224361 for details of the issue. It only applies to version 14.34.

PCbuild/pyproject.props

index f3068978fcbc57fab755231379f34e87b44f0f9f..28fa0e8bf287d91d001da54b58367d0fcd77a496 100644 (file)
     <LinkIncremental Condition="$(Configuration) != 'Debug'">false</LinkIncremental>
   </PropertyGroup>
 
+  <PropertyGroup Label="MSVC Bug Workarounds" Condition="$(VCToolsVersion) != ''">
+    <_VCToolsVersion>$([System.Version]::Parse(`$(VCToolsVersion)`).Major).$([System.Version]::Parse(`$(VCToolsVersion)`).Minor)</_VCToolsVersion>
+
+    <!-- See https://developercommunity.visualstudio.com/t/Regression-in-MSVC-1433-1434-ARM64-co/10224361 -->
+    <MSVCHasBrokenARM64Clamping Condition="$(_VCToolsVersion) == '14.34'">true</MSVCHasBrokenARM64Clamping>
+  </PropertyGroup>
+
   <PropertyGroup>
     <_DebugPreprocessorDefinition>NDEBUG;</_DebugPreprocessorDefinition>
     <_DebugPreprocessorDefinition Condition="$(Configuration) == 'Debug'">_DEBUG;</_DebugPreprocessorDefinition>
@@ -47,6 +54,7 @@
       <WholeProgramOptimization>true</WholeProgramOptimization>
       <ControlFlowGuard Condition="$(EnableControlFlowGuard) != ''">$(EnableControlFlowGuard)</ControlFlowGuard>
       <AdditionalOptions>/utf-8 %(AdditionalOptions)</AdditionalOptions>
+      <AdditionalOptions Condition="$(MSVCHasBrokenARM64Clamping) == 'true' and $(Platform) == 'ARM64'">-d2pattern-opt-disable:-932189325 %(AdditionalOptions)</AdditionalOptions>
     </ClCompile>
     <ClCompile Condition="$(Configuration) == 'Debug'">
       <InlineFunctionExpansion>OnlyExplicitInline</InlineFunctionExpansion>
@@ -76,6 +84,7 @@
       <LinkTimeCodeGeneration Condition="$(SupportPGO) and $(Configuration) == 'PGUpdate'">PGUpdate</LinkTimeCodeGeneration>
       <AdditionalDependencies>advapi32.lib;shell32.lib;ole32.lib;oleaut32.lib;%(AdditionalDependencies)</AdditionalDependencies>
       <AdditionalOptions Condition="$(Configuration) != 'Debug'">/OPT:REF,NOICF /CGTHREADS:1 /PDBTHREADS:1 %(AdditionalOptions)</AdditionalOptions>
+      <AdditionalOptions Condition="$(MSVCHasBrokenARM64Clamping) == 'true' and $(Platform) == 'ARM64'">-d2:-pattern-opt-disable:-932189325 %(AdditionalOptions)</AdditionalOptions>
     </Link>
     <Lib>
       <LinkTimeCodeGeneration Condition="$(Configuration) == 'Release'">true</LinkTimeCodeGeneration>