runtime: fix arm build

TBR=dvyukov
CC=golang-codereviews
https://golang.org/cl/131150043

diff --git a/src/pkg/runtime/asm_arm.s b/src/pkg/runtime/asm_arm.s
index 4e46767223e29dbc486162981db6d9a3612cc3bc..07b99262bb4ac85ae34d7ecfd4ad28d288388b34 100644 (file)
--- a/src/pkg/runtime/asm_arm.s
+++ b/src/pkg/runtime/asm_arm.s
@@ -652,8 +652,8 @@ TEXT runtime·abort(SB),NOSPLIT,$-4-0
        MOVW    (R0), R1
 
 TEXT runtime·gocputicks(SB),NOSPLIT,$4-8
-       ADD     $8, SP, R0
-       MOVW    R0, 0(SP)
+       MOVW    $ret_lo+0(FP), R0
+       MOVW    R0, 4(R13)
        BL      runtime·cputicks(SB)
        RET