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Recognize VST1q64Pseudo and VSTMQ as stack slot stores.

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Recognize VLD1q64Pseudo as a stack slot load.

Reject these if they are loading or storing a subregister. The API (and
VirtRegRewriter) doesn't know how to deal with that.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@113985 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Jakob Stoklund Olesen 2010-09-15 17:27:09 +00:00
parent 3a951829fe
commit d64816a8d0
1 changed files with 22 additions and 0 deletions
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22
lib/Target/ARM/ARMBaseInstrInfo.cpp
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@ -751,6 +751,21 @@ ARMBaseInstrInfo::isStoreToStackSlot(const MachineInstr *MI,
return MI->getOperand(0).getReg();
}
break;
case ARM::VST1q64Pseudo:
if (MI->getOperand(0).isFI() &&
MI->getOperand(2).getSubReg() == 0) {
FrameIndex = MI->getOperand(0).getIndex();
return MI->getOperand(2).getReg();
}
case ARM::VSTMQ:
if (MI->getOperand(1).isFI() &&
MI->getOperand(2).isImm() &&
MI->getOperand(2).getImm() == ARM_AM::getAM4ModeImm(ARM_AM::ia) &&
MI->getOperand(0).getSubReg() == 0) {
FrameIndex = MI->getOperand(1).getIndex();
return MI->getOperand(0).getReg();
}
break;
}
return 0;
@ -873,6 +888,13 @@ ARMBaseInstrInfo::isLoadFromStackSlot(const MachineInstr *MI,
return MI->getOperand(0).getReg();
}
break;
case ARM::VLD1q64Pseudo:
if (MI->getOperand(1).isFI() &&
MI->getOperand(0).getSubReg() == 0) {
FrameIndex = MI->getOperand(1).getIndex();
return MI->getOperand(0).getReg();
}
break;
}
return 0;