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| author | Jakob Stoklund Olesen <stoklund@2pi.dk> | 2011-11-07 19:15:58 +0000 |
|---|---|---|
| committer | Jakob Stoklund Olesen <stoklund@2pi.dk> | 2011-11-07 19:15:58 +0000 |
| commit | 3e5d5c53a03e4a08cdb67f8a7f44567f925be9a5 (patch) | |
| tree | d761303159d13fca2351a75150a2e00d28c58ee6 /lib | |
| parent | d83d98d4eb9595a88b830f5e3f5c6c24fae80df1 (diff) | |
| download | llvm-3e5d5c53a03e4a08cdb67f8a7f44567f925be9a5.tar.gz llvm-3e5d5c53a03e4a08cdb67f8a7f44567f925be9a5.tar.bz2 llvm-3e5d5c53a03e4a08cdb67f8a7f44567f925be9a5.tar.xz | |
Expand V_SET0 to xorps by default.
The xorps instruction is smaller than pxor, so prefer that encoding.
The ExecutionDepsFix pass will switch the encoding to pxor and xorpd
when appropriate.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@143996 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/Target/X86/X86InstrInfo.cpp | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/lib/Target/X86/X86InstrInfo.cpp b/lib/Target/X86/X86InstrInfo.cpp index 3a02de0aa0..8dcd637a96 100644 --- a/lib/Target/X86/X86InstrInfo.cpp +++ b/lib/Target/X86/X86InstrInfo.cpp @@ -2420,7 +2420,7 @@ bool X86InstrInfo::expandPostRAPseudo(MachineBasicBlock::iterator MI) const { bool HasAVX = TM.getSubtarget<X86Subtarget>().hasAVX(); switch (MI->getOpcode()) { case X86::V_SET0: - return Expand2AddrUndef(MI, get(HasAVX ? X86::VPXORrr : X86::PXORrr)); + return Expand2AddrUndef(MI, get(HasAVX ? X86::VXORPSrr : X86::XORPSrr)); case X86::TEST8ri_NOREX: MI->setDesc(get(X86::TEST8ri)); return true; |