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| author | Nate Begeman <natebegeman@mac.com> | 2010-12-10 00:26:57 +0000 |
|---|---|---|
| committer | Nate Begeman <natebegeman@mac.com> | 2010-12-10 00:26:57 +0000 |
| commit | 2ea8ee7c76b8d8754d81072e691caf25d23289e3 (patch) | |
| tree | b3d1820d852b71777b8db8f87672b044555d6e5c /docs/CodingStandards.html | |
| parent | 1c952b9cc98e84b28f68f0f6cf11197263f89863 (diff) | |
Formalize the notion that AVX and SSE are non-overlapping extensions from the compiler's point of view. Per email discussion, we either want to always use VEX-prefixed instructions or never use them, and are taking "HasAVX" to mean "Always use VEX". Passing -mattr=-avx,+sse42 should serve to restore legacy SSE support when desirable.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121439 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'docs/CodingStandards.html')
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