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| author | Ondřej Surý <ondrej@sury.org> | 2011-06-30 15:34:22 +0200 |
|---|---|---|
| committer | Ondřej Surý <ondrej@sury.org> | 2011-06-30 15:34:22 +0200 |
| commit | d39f5aa373a4422f7a5f3ee764fb0f6b0b719d61 (patch) | |
| tree | 1833f8b72a4b3a8f00d0d143b079a8fcad01c6ae /src/pkg/sync/atomic | |
| parent | 8652e6c371b8905498d3d314491d36c58d5f68d5 (diff) | |
| download | golang-upstream/58.tar.gz | |
Imported Upstream version 58upstream/58
Diffstat (limited to 'src/pkg/sync/atomic')
| -rw-r--r-- | src/pkg/sync/atomic/asm_arm.s | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/src/pkg/sync/atomic/asm_arm.s b/src/pkg/sync/atomic/asm_arm.s index 3363bbcf1..95e2f5be4 100644 --- a/src/pkg/sync/atomic/asm_arm.s +++ b/src/pkg/sync/atomic/asm_arm.s @@ -87,11 +87,14 @@ add64loop: // which will make uses of the 64-bit atomic operations loop forever. // If things are working, set okLDREXD to avoid future checks. // https://bugs.launchpad.net/qemu/+bug/670883. -TEXT check64<>(SB),7,$8 +TEXT check64<>(SB),7,$16 MOVW $10, R1 + // 8-aligned stack address scratch space. + MOVW $8(R13), R5 + AND $~7, R5 loop: - LDREXD (SP), R2 - STREXD R2, (SP), R0 + LDREXD (R5), R2 + STREXD R2, (R5), R0 CMP $0, R0 BEQ ok SUB $1, R1 |