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JIT64: optimize carry handling

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Carries are rather common and unpredictable, so do them branchlessly wherever
we can.
This commit is contained in:
Fiora
2014-08-24 11:35:57 -07:00
parent a570c6b4a4
commit a95d8cbcb4
6 changed files with 84 additions and 211 deletions
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9
Source/Core/Core/PowerPC/Gekko.h
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@ -331,9 +331,12 @@ union UFPR
float f[2];
};
#define XER_CA_MASK 0x20000000
#define XER_OV_MASK 0x40000000
#define XER_SO_MASK 0x80000000
#define XER_CA_SHIFT 29
#define XER_OV_SHIFT 30
#define XER_SO_SHIFT 31
#define XER_CA_MASK (1U << XER_CA_SHIFT)
#define XER_OV_MASK (1U << XER_OV_SHIFT)
#define XER_SO_MASK (1U << XER_SO_SHIFT)
// XER
union UReg_XER
{