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Don't use implicit register operands to calculate L-bit for AVX instructions. Needed...
author
Craig Topper
<craig.topper@gmail.com>
Fri, 20 Jul 2012 07:03:46 +0000
(07:03 +0000)
committer
Craig Topper
<craig.topper@gmail.com>
Fri, 20 Jul 2012 07:03:46 +0000
(07:03 +0000)
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@160543
91177308
-0d34-0410-b5e6-
96231b3b80d8
lib/Target/X86/X86CodeEmitter.cpp
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diff --git
a/lib/Target/X86/X86CodeEmitter.cpp
b/lib/Target/X86/X86CodeEmitter.cpp
index 977cc50c1393228100a24ca769499c32bc35245f..d7050495f89c83455e0b7d2845c5c920b6d03a77 100644
(file)
--- 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;