hotspot/src/os_cpu/linux_x86/vm/linux_x86_32.s
.globl SpinPause
.type SpinPause,@function
.p2align 4,,15
SpinPause:
{- -------------------------------------------
(1) pause 命令 (rep:nop) を実行してからリターンするだけ.
---------------------------------------- -}
rep
nop
movl $1, %eax
ret
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