diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/runtime/asm_power64x.s | 14 |
1 files changed, 9 insertions, 5 deletions
diff --git a/src/runtime/asm_power64x.s b/src/runtime/asm_power64x.s index 76bf42094d..b489f6accb 100644 --- a/src/runtime/asm_power64x.s +++ b/src/runtime/asm_power64x.s @@ -409,17 +409,19 @@ TEXT runtime·cas(SB), NOSPLIT, $0-17 MOVD p+0(FP), R3 MOVW old+8(FP), R4 MOVW new+12(FP), R5 +cas_again: SYNC LWAR (R3), R6 CMPW R6, R4 - BNE 8(PC) + BNE cas_fail STWCCC R5, (R3) - BNE -5(PC) + BNE cas_again MOVD $1, R3 SYNC ISYNC MOVB R3, ret+16(FP) RETURN +cas_fail: MOVD $0, R3 BR -5(PC) @@ -435,19 +437,21 @@ TEXT runtime·cas64(SB), NOSPLIT, $0-25 MOVD p+0(FP), R3 MOVD old+8(FP), R4 MOVD new+16(FP), R5 +cas64_again: SYNC LDAR (R3), R6 CMP R6, R4 - BNE 7(PC) + BNE cas64_fail STDCCC R5, (R3) - BNE -5(PC) + BNE cas64_again MOVD $1, R3 SYNC ISYNC MOVB R3, ret+24(FP) RETURN +cas64_fail: MOVD $0, R3 - BR -4(PC) + BR -5(PC) TEXT runtime·casuintptr(SB), NOSPLIT, $0-25 BR runtime·cas64(SB) |