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Rename new to newval in inline asm code, to avoid clashes with C++ new.

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Also rename cmp to cmpval just to keep the asm variable names similar to
the C variable names.
This commit is contained in:
ian 2014-09-09 13:50:21 +00:00
parent 57ec24a023
commit b62cc0fb26
1 changed files with 5 additions and 5 deletions
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10
sys/arm/include/atomic.h
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@ -268,12 +268,12 @@ atomic_cmpset_64(volatile uint64_t *p, uint64_t cmpval, uint64_t newval)
__asm __volatile(
"1: \n"
" ldrexd %[tmp], [%[ptr]]\n"
" teq %Q[tmp], %Q[cmp]\n"
" teq %Q[tmp], %Q[cmpval]\n"
" itee eq \n"
" teqeq %R[tmp], %R[cmp]\n"
" teqeq %R[tmp], %R[cmpval]\n"
" movne %[ret], #0\n"
" bne 2f\n"
" strexd %[ret], %[new], [%[ptr]]\n"
" strexd %[ret], %[newval], [%[ptr]]\n"
" teq %[ret], #0\n"
" it ne \n"
" bne 1b\n"
@ -282,8 +282,8 @@ atomic_cmpset_64(volatile uint64_t *p, uint64_t cmpval, uint64_t newval)
: [ret] "=&r" (ret),
[tmp] "=&r" (tmp)
: [ptr] "r" (p),
[cmp] "r" (cmpval),
[new] "r" (newval)
[cmpval] "r" (cmpval),
[newval] "r" (newval)
: "cc", "memory");
return (ret);
}