{
#if !defined(BOOST_ATOMIC_DETAIL_NO_ASM_IMPLIED_ZERO_DISPLACEMENTS)
#if defined(__PIC__)
+ uint32_t v_lo = (uint32_t)v;
uint32_t scratch;
__asm__ __volatile__
(
"1: lock; cmpxchg8b %[dest]\n\t"
"jne 1b\n\t"
"movl %[scratch], %%ebx\n\t"
- : [scratch] "=m" (scratch), [dest] "=o" (storage)
- : [value_lo] "a" ((uint32_t)v), "c" ((uint32_t)(v >> 32))
+ : [scratch] "=m" (scratch), [dest] "=o" (storage), [value_lo] "+a" (v_lo)
+ : "c" ((uint32_t)(v >> 32))
: BOOST_ATOMIC_DETAIL_ASM_CLOBBER_CC_COMMA "edx", "memory"
);
#else // defined(__PIC__)
#endif // defined(__PIC__)
#else // !defined(BOOST_ATOMIC_DETAIL_NO_ASM_IMPLIED_ZERO_DISPLACEMENTS)
#if defined(__PIC__)
+ uint32_t v_lo = (uint32_t)v;
uint32_t scratch;
__asm__ __volatile__
(
"jne 1b\n\t"
"movl %[scratch], %%ebx\n\t"
#if !defined(BOOST_ATOMIC_DETAIL_NO_ASM_CONSTRAINT_ALTERNATIVES)
- : [scratch] "=m,m" (scratch)
- : [value_lo] "a,a" ((uint32_t)v), "c,c" ((uint32_t)(v >> 32)), [dest] "D,S" (&storage)
+ : [scratch] "=m,m" (scratch), [value_lo] "+a,a" (v_lo)
+ : "c,c" ((uint32_t)(v >> 32)), [dest] "D,S" (&storage)
#else
- : [scratch] "=m" (scratch)
- : [value_lo] "a" ((uint32_t)v), "c" ((uint32_t)(v >> 32)), [dest] "D" (&storage)
+ : [scratch] "=m" (scratch), [value_lo] "+a" (v_lo)
+ : "c" ((uint32_t)(v >> 32)), [dest] "D" (&storage)
#endif
: BOOST_ATOMIC_DETAIL_ASM_CLOBBER_CC_COMMA "edx", "memory"
);