diff options
Diffstat (limited to 'src/runtime/internal/atomic/sys_nonlinux_arm.s')
| -rw-r--r-- | src/runtime/internal/atomic/sys_nonlinux_arm.s | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/src/runtime/internal/atomic/sys_nonlinux_arm.s b/src/runtime/internal/atomic/sys_nonlinux_arm.s index 9d81334791..57568b2238 100644 --- a/src/runtime/internal/atomic/sys_nonlinux_arm.s +++ b/src/runtime/internal/atomic/sys_nonlinux_arm.s @@ -60,3 +60,20 @@ TEXT ·Load8(SB),NOSPLIT|NOFRAME,$0-5 MOVB R1, ret+4(FP) RET + +TEXT ·Store8(SB),NOSPLIT,$0-5 + MOVW addr+0(FP), R1 + MOVB v+4(FP), R2 + + MOVB runtime·goarm(SB), R8 + CMP $7, R8 + BLT 2(PC) + DMB MB_ISH + + MOVB R2, (R1) + + CMP $7, R8 + BLT 2(PC) + DMB MB_ISH + RET + |