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"=A" inline assembly seems to be only supported on 32bit gcc. Provide a 64bit safe version of _get_profile_ticks

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Couriersud 2009-09-16 23:46:41 +00:00
parent c8402e45ef
commit 12977f2823
1 changed files with 16 additions and 0 deletions
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16
src/emu/eigccx86.h
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@ -658,6 +658,8 @@ _atomic_decrement32(INT32 volatile *ptr)
-------------------------------------------------*/ -------------------------------------------------*/
#define get_profile_ticks _get_profile_ticks #define get_profile_ticks _get_profile_ticks
#ifndef __x86_64__
INLINE INT64 ATTR_UNUSED ATTR_FORCE_INLINE _get_profile_ticks(void) INLINE INT64 ATTR_UNUSED ATTR_FORCE_INLINE _get_profile_ticks(void)
{ {
UINT64 result; UINT64 result;
@ -667,5 +669,19 @@ INLINE INT64 ATTR_UNUSED ATTR_FORCE_INLINE _get_profile_ticks(void)
); );
return (INT64) (result & U64(0x7fffffffffffffff)); return (INT64) (result & U64(0x7fffffffffffffff));
} }
#else
INLINE INT64 ATTR_UNUSED ATTR_FORCE_INLINE _get_profile_ticks(void)
{
UINT64 result;
UINT32 r1, r2;
__asm__ __volatile__ (
"rdtsc"
: "=a" (r1), "=d" (r2)
);
result = ((UINT64)r2<<32) | (UINT64)r1;
return (INT64) (result & U64(0x7fffffffffffffff));
}
#endif
#endif /* __EIGCCX86__ */ #endif /* __EIGCCX86__ */