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(performance.c) Some C89 fixes

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This commit is contained in:
twinaphex 2015-06-26 19:22:21 +02:00
parent f0201776be
commit f01e481362
1 changed files with 18 additions and 7 deletions
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25
performance.c
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@ -406,23 +406,36 @@ unsigned rarch_get_cpu_cores(void)
uint64_t rarch_get_cpu_features(void) uint64_t rarch_get_cpu_features(void)
{ {
int flags[4]; int flags[4];
unsigned max_flag;
uint64_t cpu_flags;
int vendor_shuffle[3];
char vendor[13] = {0};
uint64_t cpu = 0; uint64_t cpu = 0;
#if defined(CPU_X86)
const int avx_flags = (1 << 27) | (1 << 28);
#endif
char buf[sizeof(" MMX MMXEXT SSE SSE2 SSE3 SSSE3 SS4 SSE4.2 AES AVX AVX2 NEON VMX VMX128 VFPU PS")]; char buf[sizeof(" MMX MMXEXT SSE SSE2 SSE3 SSSE3 SS4 SSE4.2 AES AVX AVX2 NEON VMX VMX128 VFPU PS")];
memset(buf, 0, sizeof(buf)); memset(buf, 0, sizeof(buf));
(void)cpu_flags;
(void)flags; (void)flags;
(void)vendor;
(void)vendor_shuffle;
#if defined(CPU_X86) #if defined(CPU_X86)
x86_cpuid(0, flags); (void)avx_flags;
char vendor[13] = {0}; x86_cpuid(0, flags);
const int vendor_shuffle[3] = { flags[1], flags[3], flags[2] }; vendor_shuffle[0] = flags[1];
vendor_shuffle[1] = flags[3];
vendor_shuffle[2] = flags[2];
memcpy(vendor, vendor_shuffle, sizeof(vendor_shuffle)); memcpy(vendor, vendor_shuffle, sizeof(vendor_shuffle));
RARCH_LOG("[CPUID]: Vendor: %s\n", vendor); RARCH_LOG("[CPUID]: Vendor: %s\n", vendor);
unsigned max_flag = flags[0]; max_flag = flags[0];
if (max_flag < 1) /* Does CPUID not support func = 1? (unlikely ...) */ if (max_flag < 1) /* Does CPUID not support func = 1? (unlikely ...) */
return 0; return 0;
@ -456,7 +469,6 @@ uint64_t rarch_get_cpu_features(void)
if (flags[2] & (1 << 25)) if (flags[2] & (1 << 25))
cpu |= RETRO_SIMD_AES; cpu |= RETRO_SIMD_AES;
const int avx_flags = (1 << 27) | (1 << 28);
/* Must only perform xgetbv check if we have /* Must only perform xgetbv check if we have
* AVX CPU support (guaranteed to have at least i686). */ * AVX CPU support (guaranteed to have at least i686). */
@ -483,7 +495,7 @@ uint64_t rarch_get_cpu_features(void)
} }
#elif defined(ANDROID) && defined(ANDROID_ARM) #elif defined(ANDROID) && defined(ANDROID_ARM)
uint64_t cpu_flags = android_getCpuFeatures(); cpu_flags = android_getCpuFeatures();
#ifdef __ARM_NEON__ #ifdef __ARM_NEON__
if (cpu_flags & ANDROID_CPU_ARM_FEATURE_NEON) if (cpu_flags & ANDROID_CPU_ARM_FEATURE_NEON)
@ -529,7 +541,6 @@ uint64_t rarch_get_cpu_features(void)
RARCH_LOG("[CPUID]: Features:%s\n", buf); RARCH_LOG("[CPUID]: Features:%s\n", buf);
return cpu; return cpu;
} }