Use 64bit store instruction in atomic_fcmpset_64.
Reported by: br
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Notes:
svn2git
2020-12-20 02:59:44 +00:00
svn path=/head/; revision=313341
@ -529,7 +529,7 @@ atomic_fcmpset_64(__volatile uint64_t *p, uint64_t *cmpval, uint64_t newval)
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"beqz %0, 1b\n\t" /* if it failed, spin */
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"j 3f\n\t"
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"2:\n\t"
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"sw %0, %2\n\t" /* save old value */
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"sd %0, %2\n\t" /* save old value */
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"li %0, 0\n\t"
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"3:\n"
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: "=&r" (ret), "+m" (*p), "=m" (*cmpval)
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