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Jit_Integer: Add trivial AndWithMask cases 

Add cases to handle all one and all zero masks.
This commit is contained in:
MerryMage 2020-12-26 23:57:07 +00:00
parent ce599f9f46
commit bea6a86893
1 changed files with 6 additions and 1 deletions
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7
Source/Core/Core/PowerPC/Jit64/Jit_Integer.cpp
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@ -194,7 +194,12 @@ void Jit64::ComputeRC(preg_t preg, bool needs_test, bool needs_sext)
// flags. // flags.
void Jit64::AndWithMask(X64Reg reg, u32 mask) void Jit64::AndWithMask(X64Reg reg, u32 mask)
{ {
if (mask == 0xff) if (mask == 0xffffffff)
return;
if (mask == 0)
XOR(32, R(reg), R(reg));
else if (mask == 0xff)
MOVZX(32, 8, reg, R(reg)); MOVZX(32, 8, reg, R(reg));
else if (mask == 0xffff) else if (mask == 0xffff)
MOVZX(32, 16, reg, R(reg)); MOVZX(32, 16, reg, R(reg));