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| author | Craig Topper <craig.topper@gmail.com> | 2012-07-20 07:03:46 +0000 |
|---|---|---|
| committer | Craig Topper <craig.topper@gmail.com> | 2012-07-20 07:03:46 +0000 |
| commit | f654554ee0693770308e187df9d411c8a51bebde (patch) | |
| tree | 4b255821c5a855017a9bff8cc0aca370e37b8dee /lib/Target/X86/X86CodeEmitter.cpp | |
| parent | 0fcaaafd1aa9714a95339d585cdceb4fa7f15f1b (diff) | |
| download | llvm-f654554ee0693770308e187df9d411c8a51bebde.tar.gz llvm-f654554ee0693770308e187df9d411c8a51bebde.tar.bz2 llvm-f654554ee0693770308e187df9d411c8a51bebde.tar.xz | |
Don't use implicit register operands to calculate L-bit for AVX instructions. Needed because super reg defs and kills are added as implicit operands on 128-bit instructions. Fixes PR13349. Patch by Jose Fonseca.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@160543 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Target/X86/X86CodeEmitter.cpp')
| -rw-r--r-- | lib/Target/X86/X86CodeEmitter.cpp | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/lib/Target/X86/X86CodeEmitter.cpp b/lib/Target/X86/X86CodeEmitter.cpp index 977cc50c13..d7050495f8 100644 --- a/lib/Target/X86/X86CodeEmitter.cpp +++ b/lib/Target/X86/X86CodeEmitter.cpp @@ -927,6 +927,8 @@ void Emitter<CodeEmitter>::emitVEXOpcodePrefix(uint64_t TSFlags, for (unsigned i = 0; i != MI.getNumOperands(); ++i) { if (!MI.getOperand(i).isReg()) continue; + if (MI.getOperand(i).isImplicit()) + continue; unsigned SrcReg = MI.getOperand(i).getReg(); if (SrcReg >= X86::YMM0 && SrcReg <= X86::YMM15) VEX_L = 1; |