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Merge pull request #7419 from Sintendo/miscopts

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Miscellaneous x64 micro-optimizations
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Tilka 2018-10-05 23:44:25 +01:00 • committed by GitHub
commit b480db9392
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4 changed files with 9 additions and 18 deletions
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3
Source/Core/Common/x64Emitter.cpp
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@ -1602,8 +1602,7 @@ void XEmitter::XCHG(int bits, const OpArg& a1, const OpArg& a2)
void XEmitter::CMP_or_TEST(int bits, const OpArg& a1, const OpArg& a2)
{
CheckFlags();
if (a1.IsSimpleReg() && a2.IsImm() &&
a2.offset == 0) // turn 'CMP reg, 0' into shorter 'TEST reg, reg'
if (a1.IsSimpleReg() && a2.IsZero()) // turn 'CMP reg, 0' into shorter 'TEST reg, reg'
{
WriteNormalOp(bits, NormalOp::TEST, a1, a1);
}