[問題] mac assembly orz...
__asm__ __volatile__("sync\n"
"0: ldrex %0,0,%2\n\t" /* load w/ reservation */
"cmpw %0,%4\n\t" /* compare against comparand */
"bne- 1f\n\t" /* exit if not same */
"strex. %3,0,%2\n\t" /* store new_value */
"bne- 0b\n" /* retry if reservation lost */
"1: sync" /* the exit */
: "=&r"(result), "=m"(* (int32_t*) ptr)
: "r"(ptr), "r"(value), "r"(comparand), "m"(* (int32_t*) ptr)
: "cr0");
有沒有高手可以幫我把它翻成C語言
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