Fix value check

MMX has the value 0x00090000, so any category with those two bits set will match. Instead, we want to match the third nibble exactly.
dyninst · Dec 20, 2023 · 4737077 · 4737077
1 parent 40475f8
commit 4737077
Showing 1 changed file with 2 additions and 2 deletions.
diff --git a/dataflowAPI/src/liveness.C b/dataflowAPI/src/liveness.C
@@ -625,10 +625,10 @@ void LivenessAnalyzer::clean(Function *func){
 bool LivenessAnalyzer::isMMX(MachRegister machReg){
 	auto const arch = machReg.getArchitecture();
 	if (arch == Arch_x86) {
-		return (machReg.val() & x86::MMX) == x86::MMX;
+		return (machReg.val() & 0x00ff0000) == x86::MMX;
 	}
 	if (arch == Arch_x86_64) {
-		return (machReg.val() & x86_64::MMX) == x86_64::MMX;
+		return (machReg.val() & 0x00ff0000) == x86_64::MMX;
 	}
 	return false;
 }