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-rw-r--r--Alc/helpers.c17
1 files changed, 14 insertions, 3 deletions
diff --git a/Alc/helpers.c b/Alc/helpers.c
index 9e347396..e16a907d 100644
--- a/Alc/helpers.c
+++ b/Alc/helpers.c
@@ -106,7 +106,11 @@ void FillCPUCaps(ALuint capfilter)
{
#ifdef bit_SSE
if((cpuinf[0].regs[3]&bit_SSE))
+ {
caps |= CPU_CAP_SSE;
+ if((cpuinf[0].regs[3]&bit_SSE2))
+ caps |= CPU_CAP_SSE2;
+ }
#endif
}
}
@@ -119,7 +123,11 @@ void FillCPUCaps(ALuint capfilter)
else
{
if(IsProcessorFeaturePresent(PF_XMMI_INSTRUCTIONS_AVAILABLE))
+ {
caps |= CPU_CAP_SSE;
+ if(IsProcessorFeaturePresent(PF_XMMI64_INSTRUCTIONS_AVAILABLE))
+ caps |= CPU_CAP_SSE2;
+ }
}
#endif
#ifdef HAVE_NEON
@@ -127,9 +135,10 @@ void FillCPUCaps(ALuint capfilter)
caps |= CPU_CAP_NEON;
#endif
- TRACE("Got caps:%s%s%s\n", ((caps&CPU_CAP_SSE)?((capfilter&CPU_CAP_SSE)?" SSE":" (SSE)"):""),
- ((caps&CPU_CAP_NEON)?((capfilter&CPU_CAP_NEON)?" Neon":" (Neon)"):""),
- ((!caps)?" -none-":""));
+ TRACE("Got caps:%s%s%s%s\n", ((caps&CPU_CAP_SSE)?((capfilter&CPU_CAP_SSE)?" SSE":" (SSE)"):""),
+ ((caps&CPU_CAP_SSE)?((capfilter&CPU_CAP_SSE2)?" SSE2":" (SSE2)"):""),
+ ((caps&CPU_CAP_NEON)?((capfilter&CPU_CAP_NEON)?" Neon":" (Neon)"):""),
+ ((!caps)?" -none-":""));
CPUCapFlags = caps & capfilter;
}
@@ -207,6 +216,8 @@ void SetMixerFPUMode(FPUCtl *ctl)
ctl->sse_state = sseState;
sseState |= 0x6000; /* set round-to-zero */
sseState |= 0x8000; /* set flush-to-zero */
+ if((CPUCapFlags&CPU_CAP_SSE2))
+ sseState |= 0x0040; /* set denormals-are-zero */
__asm__ __volatile__("ldmxcsr %0" : : "m" (*&sseState));
}
#endif