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| author | Craig Topper <craig.topper@gmail.com> | 2012-01-13 08:12:35 +0000 |
|---|---|---|
| committer | Craig Topper <craig.topper@gmail.com> | 2012-01-13 08:12:35 +0000 |
| commit | 12216172c04fe76a90e9de34fc4161e92d097278 (patch) | |
| tree | 6015625f4477bedeb225a8509b1726a279102b80 /lib/Target/X86/X86MCInstLower.cpp | |
| parent | db080e814fcc2b67e2790351539053c8b9d13639 (diff) | |
| download | llvm-12216172c04fe76a90e9de34fc4161e92d097278.tar.gz llvm-12216172c04fe76a90e9de34fc4161e92d097278.tar.bz2 llvm-12216172c04fe76a90e9de34fc4161e92d097278.tar.xz | |
Make X86 instruction selection use 256-bit VPXOR for build_vector of all ones if AVX2 is enabled. This gives the ExeDepsFix pass a chance to choose FP vs int as appropriate. Also use v8i32 as the type for getZeroVector if AVX2 is enabled. This is consistent with SSE2 using prefering v4i32.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@148108 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Target/X86/X86MCInstLower.cpp')
| -rw-r--r-- | lib/Target/X86/X86MCInstLower.cpp | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/lib/Target/X86/X86MCInstLower.cpp b/lib/Target/X86/X86MCInstLower.cpp index 9232196139..1f7d42240c 100644 --- a/lib/Target/X86/X86MCInstLower.cpp +++ b/lib/Target/X86/X86MCInstLower.cpp @@ -373,6 +373,7 @@ ReSimplify: case X86::AVX_SET0PDY: LowerUnaryToTwoAddr(OutMI, X86::VXORPDYrr); break; case X86::AVX_SETALLONES: LowerUnaryToTwoAddr(OutMI, X86::VPCMPEQDrr); break; case X86::AVX2_SETALLONES: LowerUnaryToTwoAddr(OutMI, X86::VPCMPEQDYrr);break; + case X86::AVX2_SET0: LowerUnaryToTwoAddr(OutMI, X86::VPXORYrr); break; case X86::MOV16r0: LowerSubReg32_Op0(OutMI, X86::MOV32r0); // MOV16r0 -> MOV32r0 |