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Jit64: use BMI1's ANDN for andcx

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This commit is contained in:
Tillmann Karras 2015-08-14 05:51:31 +02:00
parent 7c944f83cc
commit f9129c0e08
1 changed files with 17 additions and 4 deletions
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21
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);
@ -745,9 +750,17 @@ void Jit64::boolX(UGeckoInstruction inst)
}
else if (inst.SUBOP10 == 60) // andcx
{
MOV(32, gpr.R(a), gpr.R(b));
NOT(32, gpr.R(a));
AND(32, gpr.R(a), gpr.R(s));
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
{