diff options
Diffstat (limited to 'src/runtime/internal/atomic/sys_linux_arm.s')
| -rw-r--r-- | src/runtime/internal/atomic/sys_linux_arm.s | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/src/runtime/internal/atomic/sys_linux_arm.s b/src/runtime/internal/atomic/sys_linux_arm.s index df62f6c8ad..0c1cc3dc86 100644 --- a/src/runtime/internal/atomic/sys_linux_arm.s +++ b/src/runtime/internal/atomic/sys_linux_arm.s @@ -120,3 +120,25 @@ end: 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 + BGE native_barrier + BL memory_barrier<>(SB) + B store +native_barrier: + DMB MB_ISH + +store: + MOVB R2, (R1) + + CMP $7, R8 + BGE native_barrier2 + BL memory_barrier<>(SB) + RET +native_barrier2: + DMB MB_ISH + RET |