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| author | Joe Richey <joerichey@google.com> | 2020-10-26 03:46:54 -0700 |
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| committer | Joe Richey <joerichey@google.com> | 2020-10-26 03:46:54 -0700 |
| commit | ad552bc17e9e494e039f3db180d4e63be44fe889 (patch) | |
| tree | c4da6484ef1f97be8927e8b96b6dc115ed1ddb70 /compiler/rustc_llvm/llvm-wrapper/RustWrapper.cpp | |
| parent | 8e6f69afc9b0943003ce51a53d1f59611e6601a3 (diff) | |
| download | rust-ad552bc17e9e494e039f3db180d4e63be44fe889.tar.gz rust-ad552bc17e9e494e039f3db180d4e63be44fe889.zip | |
Add compiler support for LLVM's x86 ERMSB feature
This change is needed for compiler-builtins to check for this feature when implementing memcpy/memset. See: https://github.com/rust-lang/compiler-builtins/pull/365 The change just does compile-time detection. I think that runtime detection will have to come in a follow-up CL to std-detect. Like all the CPU feature flags, this just references #44839 Signed-off-by: Joe Richey <joerichey@google.com>
Diffstat (limited to 'compiler/rustc_llvm/llvm-wrapper/RustWrapper.cpp')
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