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Fix FPSCR manipulation instructions.

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This commit is contained in:
Andrew Church 2015-01-18 07:02:11 +09:00
parent ee508f85b4
commit 6cd3310171
2 changed files with 30 additions and 27 deletions
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21
rpcs3/Emu/Cell/PPUThread.h
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@ -53,6 +53,8 @@ enum FPSCR_EXP
FPSCR_VXSOFT = 0x00000400,
FPSCR_VXSQRT = 0x00000200,
FPSCR_VXCVI = 0x00000100,
FPSCR_VX_ALL = FPSCR_VXSNAN | FPSCR_VXISI | FPSCR_VXIDI | FPSCR_VXZDZ | FPSCR_VXIMZ | FPSCR_VXVC | FPSCR_VXSOFT | FPSCR_VXSQRT | FPSCR_VXCVI,
};
enum FPSCR_RN
@ -677,6 +679,25 @@ public:
XER.SO |= set;
}
void UpdateFPSCR_FEX()
{
const u32 exceptions = (FPSCR.FPSCR >> 25) & 0x1F;
const u32 enabled = (FPSCR.FPSCR >> 3) & 0x1F;
if (exceptions & enabled) FPSCR.FEX = 1;
}
void UpdateFPSCR_VX()
{
if (FPSCR.FPSCR & FPSCR_VX_ALL) FPSCR.VX = 1;
}
void SetFPSCR(const u32 val)
{
FPSCR.FPSCR = val & ~(FPSCR_FEX | FPSCR_VX);
UpdateFPSCR_VX();
UpdateFPSCR_FEX();
}
void SetFPSCRException(const FPSCR_EXP mask)
{
if ((FPSCR.FPSCR & mask) != mask) FPSCR.FX = 1;