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[X86] Check YMM31/ZMM31 as well

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- No test case as there's no calling convention preserve YMM31/ZMM31 only



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@196391 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Michael Liao 2013-12-04 17:44:22 +00:00
parent e834f41f7a
commit a2f6f94b74
1 changed files with 4 additions and 4 deletions
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8
lib/Target/X86/X86VZeroUpper.cpp
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@ -122,11 +122,11 @@ static bool checkFnHasLiveInYmm(MachineRegisterInfo &MRI) {
}
static bool clobbersAllYmmRegs(const MachineOperand &MO) {
for (unsigned reg = X86::YMM0; reg < X86::YMM31; ++reg) {
for (unsigned reg = X86::YMM0; reg <= X86::YMM31; ++reg) {
if (!MO.clobbersPhysReg(reg))
return false;
}
for (unsigned reg = X86::ZMM0; reg < X86::ZMM31; ++reg) {
for (unsigned reg = X86::ZMM0; reg <= X86::ZMM31; ++reg) {
if (!MO.clobbersPhysReg(reg))
return false;
}
@ -155,11 +155,11 @@ static bool clobbersAnyYmmReg(MachineInstr *MI) {
const MachineOperand &MO = MI->getOperand(i);
if (!MO.isRegMask())
continue;
for (unsigned reg = X86::YMM0; reg < X86::YMM31; ++reg) {
for (unsigned reg = X86::YMM0; reg <= X86::YMM31; ++reg) {
if (MO.clobbersPhysReg(reg))
return true;
}
for (unsigned reg = X86::ZMM0; reg < X86::ZMM31; ++reg) {
for (unsigned reg = X86::ZMM0; reg <= X86::ZMM31; ++reg) {
if (MO.clobbersPhysReg(reg))
return true;
}