diff options
Diffstat (limited to 'libavcodec')
-rw-r--r-- | libavcodec/i386/cpuid.c | 13 |
1 files changed, 10 insertions, 3 deletions
diff --git a/libavcodec/i386/cpuid.c b/libavcodec/i386/cpuid.c index 2f2a669eee..cd33334ecf 100644 --- a/libavcodec/i386/cpuid.c +++ b/libavcodec/i386/cpuid.c @@ -44,10 +44,17 @@ int mm_support(void) int max_std_level, max_ext_level, std_caps=0, ext_caps=0; x86_reg a, c; +#ifdef ARCH_X86_64 +#define PUSHF "pushfq\n\t" +#define POPF "popfq\n\t" +#else +#define PUSHF "pushfl\n\t" +#define POPF "popfl\n\t" +#endif __asm__ volatile ( /* See if CPUID instruction is supported ... */ /* ... Get copies of EFLAGS into eax and ecx */ - "pushf\n\t" + PUSHF "pop %0\n\t" "mov %0, %1\n\t" @@ -55,10 +62,10 @@ int mm_support(void) /* to the EFLAGS reg */ "xor $0x200000, %0\n\t" "push %0\n\t" - "popf\n\t" + POPF /* ... Get the (hopefully modified) EFLAGS */ - "pushf\n\t" + PUSHF "pop %0\n\t" : "=a" (a), "=c" (c) : |