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Re-enabled "Denormals are Zero" for the recs. Seems to cause huge speed boosts. for example Persona 3 went from 50fps on my rig to 103fps. reported the suikoden games are now quicker. Also enthusia doesnt have invisible wall problems. Could help with many misc FPU problems.

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This commit is contained in:
refractionpcsx2
2008-05-11 20:35:25 +00:00
parent 353cfcf1e4
commit 67331f64d4
1 changed files with 3 additions and 2 deletions
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5
pcsx2/x86/ix86-32/iR5900-32.c
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@@ -1450,8 +1450,8 @@ void eeFPURecompileCode(R5900FNPTR_INFO xmmcode, R5900FNPTR_INFO fpucode, int xm
////////////////////////////////////////////////////
extern u8 g_MACFlagTransform[256]; // for vus
u32 g_sseMXCSR = 0x9f80; // disable all exception, round to 0, flush to 0
u32 g_sseVUMXCSR = 0xff80;
u32 g_sseMXCSR = 0x9fc0; // disable all exception, round to 0, flush to 0
u32 g_sseVUMXCSR = 0xffc0;
void SetCPUState(u32 sseMXCSR, u32 sseVUMXCSR)
{
@@ -1462,6 +1462,7 @@ void SetCPUState(u32 sseMXCSR, u32 sseVUMXCSR)
g_sseMXCSR = sseMXCSR;
g_sseVUMXCSR = sseVUMXCSR;
// do NOT set Denormals-Are-Zero flag (charlie and chocfac messes up)
// Update 11/05/08 - Doesnt seem to effect it anymore, for the speed boost, its on :p
//g_sseMXCSR = 0x9f80; // changing the rounding mode to 0x2000 (near) kills grandia III!
// changing the rounding mode to 0x0000 or 0x4000 totally kills gitaroo
// so... grandia III wins (you can change individual games with the 'roundmode' patch command)