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Fix register check in LivenessAnalyzer::isMMX #1644

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merged 3 commits into from
Dec 22, 2023
Merged

Fix register check in LivenessAnalyzer::isMMX #1644

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40475f8
Fix register check in LivenessAnalyzer::isMMX
hainest Dec 13, 2023
4737077
Fix value check
hainest Dec 20, 2023
5282ad0
Replace bit twiddling with call to .
hainest Dec 22, 2023
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7 changes: 5 additions & 2 deletions dataflowAPI/src/liveness.C
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Original file line number Diff line number Diff line change
Expand Up @@ -623,10 +623,13 @@ void LivenessAnalyzer::clean(Function *func){
}

bool LivenessAnalyzer::isMMX(MachRegister machReg){
if ((machReg.val() & Arch_x86) == Arch_x86 || (machReg.val() & Arch_x86_64) == Arch_x86_64){
assert( ((machReg.val() & x86::MMX) == x86::MMX) == ((machReg.val() & x86_64::MMX) == x86_64::MMX) );
auto const arch = machReg.getArchitecture();
if (arch == Arch_x86) {
return (machReg.val() & x86::MMX) == x86::MMX;
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}
if (arch == Arch_x86_64) {
return (machReg.val() & x86_64::MMX) == x86_64::MMX;
}
return false;
}

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