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Merge pull request #2841 from Tilka/andn 

Jit64: use BMI1's ANDN for andcx
This commit is contained in:
Markus Wick 2015-08-14 08:29:58 +02:00
parent 7c944f83cc f9129c0e08
commit c306095684
1 changed files with 17 additions and 4 deletions
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15
Source/Core/Core/PowerPC/Jit64/Jit_Integer.cpp
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@ -676,7 +676,12 @@ void Jit64::boolX(UGeckoInstruction inst)
}
else if (inst.SUBOP10 == 60) // andcx
{
if (a == b)
if (cpu_info.bBMI1 && (gpr.R(b).IsSimpleReg() || a == s))
{
gpr.BindToRegister(b, true, false);
ANDN(32, gpr.RX(a), gpr.RX(b), gpr.R(s));
}
else if (a == b)
{
NOT(32, gpr.R(a));
AND(32, gpr.R(a), operand);
@ -744,11 +749,19 @@ void Jit64::boolX(UGeckoInstruction inst)
needs_test = true;
}
else if (inst.SUBOP10 == 60) // andcx
{
if (cpu_info.bBMI1)
{
gpr.BindToRegister(b, true, false);
ANDN(32, gpr.RX(a), gpr.RX(b), gpr.R(s));
}
else
{
MOV(32, gpr.R(a), gpr.R(b));
NOT(32, gpr.R(a));
AND(32, gpr.R(a), gpr.R(s));
}
}
else if (inst.SUBOP10 == 444) // orx
{
MOV(32, gpr.R(a), gpr.R(s));