HYPERでんち - cpu
https://dench.flatlib.jp/
2026-04-04T08:15:58+00:00
HYPERでんち
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2019-07-07T12:08:38+00:00
Anonymous (anonymous@undisclosed.example.com)
atomic
https://dench.flatlib.jp/cpu/atomic?rev=1562501318&do=diff
CPU Atomic / Memory Barrier
fetch_add (seq_cst)
x64
; linux clang x64
lock xaddl %esi, 8(%rsp)
; windows x64
lock xadd dword ptr [rbp-10h],edx
ARMv7A
dmb ish
.LBB0_1:
ldrex r0, [r4]
add r1, r0, #1
strex r0, r1, [r4]
cmp r0, #0
bne .LBB0_1
dmb ish