diff options
Diffstat (limited to 'libavcodec/i386/cputest.c')
| -rw-r--r-- | libavcodec/i386/cputest.c | 28 |
1 files changed, 14 insertions, 14 deletions
diff --git a/libavcodec/i386/cputest.c b/libavcodec/i386/cputest.c index 593e0550db..f02c63d449 100644 --- a/libavcodec/i386/cputest.c +++ b/libavcodec/i386/cputest.c @@ -29,28 +29,28 @@ int mm_support(void) int eax, ebx, ecx, edx; int max_std_level, max_ext_level, std_caps=0, ext_caps=0; long a, c; - + __asm__ __volatile__ ( /* See if CPUID instruction is supported ... */ /* ... Get copies of EFLAGS into eax and ecx */ "pushf\n\t" "pop %0\n\t" "mov %0, %1\n\t" - + /* ... Toggle the ID bit in one copy and store */ /* to the EFLAGS reg */ "xor $0x200000, %0\n\t" "push %0\n\t" "popf\n\t" - + /* ... Get the (hopefully modified) EFLAGS */ "pushf\n\t" "pop %0\n\t" : "=a" (a), "=c" (c) : - : "cc" + : "cc" ); - + if (a == c) return 0; /* CPUID not supported */ @@ -60,9 +60,9 @@ int mm_support(void) cpuid(1, eax, ebx, ecx, std_caps); if (std_caps & (1<<23)) rval |= MM_MMX; - if (std_caps & (1<<25)) + if (std_caps & (1<<25)) rval |= MM_MMXEXT | MM_SSE; - if (std_caps & (1<<26)) + if (std_caps & (1<<26)) rval |= MM_SSE2; } @@ -103,18 +103,18 @@ int mm_support(void) According to the table, the only CPU which supports level 2 is also the only one which supports extended CPUID levels. */ - if (eax < 2) + if (eax < 2) return rval; if (ext_caps & (1<<24)) rval |= MM_MMXEXT; } #if 0 - av_log(NULL, AV_LOG_DEBUG, "%s%s%s%s%s%s\n", - (rval&MM_MMX) ? "MMX ":"", - (rval&MM_MMXEXT) ? "MMX2 ":"", - (rval&MM_SSE) ? "SSE ":"", - (rval&MM_SSE2) ? "SSE2 ":"", - (rval&MM_3DNOW) ? "3DNow ":"", + av_log(NULL, AV_LOG_DEBUG, "%s%s%s%s%s%s\n", + (rval&MM_MMX) ? "MMX ":"", + (rval&MM_MMXEXT) ? "MMX2 ":"", + (rval&MM_SSE) ? "SSE ":"", + (rval&MM_SSE2) ? "SSE2 ":"", + (rval&MM_3DNOW) ? "3DNow ":"", (rval&MM_3DNOWEXT) ? "3DNowExt ":""); #endif return rval; |