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• This comparison shows the changes necessary to convert path

  → /SPARTAN/trunk/arch/ia32/include/atomic.h @ 476

  → /SPARTAN/trunk/arch/ia32/include/atomic.h @ 477

  ↔ Reverse comparison

• Compare Path:	Rev

  With Path:	Rev

Ignore whitespace Rev 476 → Rev 477

/SPARTAN/trunk/arch/ia32/include/atomic.h
35,20 → 35,49
static inline void atomic_inc(atomic_t *val) {
#ifdef CONFIG_SMP
__asm__ volatile ("lock incl %0\n" : "=m" (*val));
__asm__ volatile ("lock incl %0\n" : "+m" (*val));
#else
__asm__ volatile ("incl %0\n" : "=m" (*val));
__asm__ volatile ("incl %0\n" : "+m" (*val));
#endif /* CONFIG_SMP */
}
static inline void atomic_dec(atomic_t *val) {
#ifdef CONFIG_SMP
__asm__ volatile ("lock decl %0\n" : "=m" (*val));
__asm__ volatile ("lock decl %0\n" : "+m" (*val));
#else
__asm__ volatile ("decl %0\n" : "=m" (*val));
__asm__ volatile ("decl %0\n" : "+m" (*val));
#endif /* CONFIG_SMP */
}
static inline atomic_t atomic_inc_pre(atomic_t *val)
{
atomic_t r;
__asm__ volatile (
"movl $1,%0;"
"lock xaddl %0,%1;"
: "=r"(r), "+m" (*val)
);
return r;
}
static inline atomic_t atomic_dec_pre(atomic_t *val)
{
atomic_t r;
__asm__ volatile (
"movl $-1,%0;"
"lock xaddl %0,%1;"
: "=r"(r), "+m" (*val)
);
return r;
}
#define atomic_inc_post(val) (atomic_inc_pre(val)+1)
#define atomic_dec_post(val) (atomic_dec_pre(val)-1)
static inline int test_and_set(volatile int *val) {
int v;
55,7 → 84,7
__asm__ volatile (
"movl $1, %0\n"
"xchgl %0, %1\n"
: "=r" (v),"=m" (*val)
: "=r" (v),"+m" (*val)
);
return v;