AuroraMiddleware/AuroraOpenALSoft
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Don't try to set fp precision with __control87_2 or _controlfp

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This commit is contained in:
Chris Robinson 2014-06-08 23:39:52 -07:00
parent c07fb7b45c
commit d0fac3fe1d
1 changed files with 4 additions and 10 deletions
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14
Alc/helpers.c
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@ -229,12 +229,6 @@ void al_free(void *ptr)
}
#if (defined(HAVE___CONTROL87_2) || defined(HAVE__CONTROLFP)) && (defined(__x86_64__) || defined(_M_X64))
/* Win64 doesn't allow us to set the precision control. */
#undef _MCW_PC
#define _MCW_PC 0
#endif
void SetMixerFPUMode(FPUCtl *ctl)
{
#ifdef HAVE_FENV_H
@ -263,7 +257,7 @@ void SetMixerFPUMode(FPUCtl *ctl)
int mode;
__control87_2(0, 0, &ctl->state, NULL);
__control87_2(_RC_CHOP|_PC_24, _MCW_RC|_MCW_PC, &mode, NULL);
__control87_2(_RC_CHOP, _MCW_RC, &mode, NULL);
#ifdef HAVE_SSE
if((CPUCapFlags&CPU_CAP_SSE))
{
@ -275,7 +269,7 @@ void SetMixerFPUMode(FPUCtl *ctl)
#elif defined(HAVE__CONTROLFP)
ctl->state = _controlfp(0, 0);
(void)_controlfp(_RC_CHOP|_PC_24, _MCW_RC|_MCW_PC);
(void)_controlfp(_RC_CHOP, _MCW_RC);
#endif
}
@ -291,7 +285,7 @@ void RestoreFPUMode(const FPUCtl *ctl)
#elif defined(HAVE___CONTROL87_2)
int mode;
__control87_2(ctl->state, _MCW_RC|_MCW_PC, &mode, NULL);
__control87_2(ctl->state, _MCW_RC, &mode, NULL);
#ifdef HAVE_SSE
if((CPUCapFlags&CPU_CAP_SSE))
__control87_2(ctl->sse_state, _MCW_RC|_MCW_DN, NULL, &mode);
@ -299,7 +293,7 @@ void RestoreFPUMode(const FPUCtl *ctl)
#elif defined(HAVE__CONTROLFP)
_controlfp(ctl->state, _MCW_RC|_MCW_PC);
_controlfp(ctl->state, _MCW_RC);
#endif
}