sync/atomic: fix arm check64 bug

R=r, rsc CC=golang-dev https://golang.org/cl/4571059

sync/atomic: fix arm check64 bug
R=r, rsc CC=golang-dev https://golang.org/cl/4571059
d44c4c35 · Andrew Gerrand · 86183e43 · d44c4c35
Commit d44c4c35 authored Jun 10, 2011 by Andrew Gerrand
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src/pkg/sync/atomic/asm_arm.s src/pkg/sync/atomic/asm_arm.s +4 -4

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--- a/src/pkg/sync/atomic/asm_arm.s
+++ b/src/pkg/sync/atomic/asm_arm.s
@@ -90,11 +90,11 @@ add64loop:
 TEXT	check64<>(SB),7,$16
 	MOVW	$10, R1
 	// 8-aligned stack address scratch space.
-	MOVW	$8(SP), R3
-	AND	$~7, R3
+	MOVW	$8(R13), R5
+	AND	$~7, R5
 loop:
-	LDREXD	(R3), R2
-	STREXD	R2, (R3), R0
+	LDREXD	(R5), R2
+	STREXD	R2, (R5), R0
 	CMP	$0, R0
 	BEQ	ok
 	SUB	$1, R1