Merge branch 'master' of ssh://git.repnop.org/public/ck

ck_pring
Samy Al Bahra 14 years ago
commit 3b63432d03

@ -491,17 +491,10 @@ ck_pr_cas_64_value(uint64_t *t, uint64_t c, uint64_t s, uint64_t *v)
} comp; } comp;
uint32_t *val = (uint32_t *)v; uint32_t *val = (uint32_t *)v;
set.s = s; ck_pr_store_64(&comp.c, c)
comp.c = c; ck_pr_store_64(&set.s, s);
#ifdef __PIC__ #ifdef __PIC__
/*
* Note the setz being done in memory. This is because if we allow
* gcc to pick a register, it seems to want to pick BL, which is
* obviously clobbered as soon as we pop EBX. The rest of the
* registers are taken, so we don't have any outside storage for
* this. This also affects ck_pr_cas_32_2_value.
*/
__asm__ __volatile__("pushl %%ebx;" __asm__ __volatile__("pushl %%ebx;"
"movl %7, %%ebx;" "movl %7, %%ebx;"
CK_PR_LOCK_PREFIX "cmpxchg8b %a3; setz %2;" CK_PR_LOCK_PREFIX "cmpxchg8b %a3; setz %2;"
@ -509,7 +502,7 @@ ck_pr_cas_64_value(uint64_t *t, uint64_t c, uint64_t s, uint64_t *v)
: "=a" (val[0]), : "=a" (val[0]),
"=d" (val[1]), "=d" (val[1]),
"=q" (z) "=q" (z)
: "p" (t), : "p" (&t[0]),
"a" (comp.v[0]), "a" (comp.v[0]),
"d" (comp.v[1]), "d" (comp.v[1]),
"c" (set.v[1]), "c" (set.v[1]),
@ -577,12 +570,12 @@ ck_pr_cas_32_2_value(uint32_t target[2], uint32_t compare[2], uint32_t set[2], u
#ifdef __PIC__ #ifdef __PIC__
__asm__ __volatile__("pushl %%ebx;" __asm__ __volatile__("pushl %%ebx;"
"movl %7, %%ebx;" "movl %7, %%ebx;"
CK_PR_LOCK_PREFIX "cmpxchg8b %a4; setz %2;" CK_PR_LOCK_PREFIX "cmpxchg8b %a3; setz %2;"
"popl %%ebx;" "popl %%ebx;"
: "=a" (v[0]), : "=a" (v[0]),
"=d" (v[1]), "=d" (v[1]),
"=q" (z) "=q" (z)
: "p" (target), : "p" (&target[0]),
"a" (compare[0]), "a" (compare[0]),
"d" (compare[1]), "d" (compare[1]),
"c" (set[1]), "c" (set[1]),

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