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[x86] Teach my pshufb comment printer to handle VPSHUFB forms as well as 

PSHUFB forms. This will be important to update some AVX tests when I add
PSHUFB combining.

llvm-svn: 214624
This commit is contained in:
Chandler Carruth 2014-08-02 10:08:17 +00:00
parent 18066974d4
commit 2ad69eea8d
1 changed files with 3 additions and 2 deletions
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5
llvm/lib/Target/X86/X86MCInstLower.cpp
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@ -968,6 +968,7 @@ void X86AsmPrinter::EmitInstruction(const MachineInstr *MI) {
return;
case X86::PSHUFBrm:
case X86::VPSHUFBrm:
// Lower PSHUFB normally but add a comment if we can find a constant
// shuffle mask. We won't be able to do this at the MC layer because the
// mask isn't an immediate.
@ -975,8 +976,8 @@ void X86AsmPrinter::EmitInstruction(const MachineInstr *MI) {
raw_string_ostream CS(Comment);
SmallVector<int, 16> Mask;
assert(MI->getNumOperands() == 7 &&
"Wrong number of operansd for PSHUFBrm");
assert(MI->getNumOperands() >= 6 &&
"Wrong number of operansd for PSHUFBrm or VPSHUFBrm");
const MachineOperand &DstOp = MI->getOperand(0);
const MachineOperand &SrcOp = MI->getOperand(1);
const MachineOperand &MaskOp = MI->getOperand(5);