[flac-dev] FLAC 1.3.2 has been released

[Janne Hyvärinen]

Attached is a patch to fix the incorrect CPU feature detection:


On 2.1.2017 16.39, Janne Hyvärinen wrote:
> Something seems to be wrong with cpu.c CPU detection code. When I 
> compile things with MSVC all instructions except FMA is detected as 
> missing, even though they are present in my CPU. That of course 
> results in awful performance.
>
>
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-------------- next part --------------
diff --git a/src/libFLAC/cpu.c b/src/libFLAC/cpu.c
index b9df19a..808d55d 100644
--- a/src/libFLAC/cpu.c
+++ b/src/libFLAC/cpu.c
@@ -269,9 +269,9 @@ void FLAC__cpu_info_x86(FLAC__uint32 level, FLAC__uint32 *eax, FLAC__uint32 *ebx
 	__cpuid(cpuinfo, ext);
 	if((unsigned)cpuinfo[0] >= level) {
 #if FLAC__AVX_SUPPORTED
-		__cpuidex(cpuinfo, ext, 0); /* for AVX2 detection */
+		__cpuidex(cpuinfo, level, 0); /* for AVX2 detection */
 #else
-		__cpuid(cpuinfo, ext); /* some old compilers don't support __cpuidex */
+		__cpuid(cpuinfo, level); /* some old compilers don't support __cpuidex */
 #endif
 
 		*eax = cpuinfo[0]; *ebx = cpuinfo[1]; *ecx = cpuinfo[2]; *edx = cpuinfo[3];