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x64Emitter: nit, use helper method in CMP_or_TEST

This commit is contained in:
Sintendo 2018-09-16 23:34:27 +02:00
parent ef94fca504
commit d8953dbe57
1 changed files with 1 additions and 2 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) void XEmitter::CMP_or_TEST(int bits, const OpArg& a1, const OpArg& a2)
{ {
CheckFlags(); CheckFlags();
if (a1.IsSimpleReg() && a2.IsImm() && if (a1.IsSimpleReg() && a2.IsZero()) // turn 'CMP reg, 0' into shorter 'TEST reg, reg'
a2.offset == 0) // turn 'CMP reg, 0' into shorter 'TEST reg, reg'
{ {
WriteNormalOp(bits, NormalOp::TEST, a1, a1); WriteNormalOp(bits, NormalOp::TEST, a1, a1);
} }