[dev.cc] runtime/cgo: change PC to R15 in asm_arm.s

R15 is the real register. PC is a pseudo-register that we are making
illegal in this context as part of the grand assembly unification.

Change-Id: Ie0ea38ce7ef4d2cf4fcbe23b851a570fd312ce8d
Reviewed-on: https://go-review.googlesource.com/4966
Reviewed-by: Minux Ma <minux@golang.org>

diff --git a/src/runtime/cgo/asm_arm.s b/src/runtime/cgo/asm_arm.s
index 6e57432e35f8feaa70af24131a465c080e8b0532..fcd212eb8e952e0880c1366a9bf53589bb3b8188 100644 (file)
--- a/src/runtime/cgo/asm_arm.s
+++ b/src/runtime/cgo/asm_arm.s
@@ -19,6 +19,6 @@ TEXT crosscall2(SB),NOSPLIT,$-4
         */
        MOVM.WP [R0, R1, R2, R4, R5, R6, R7, R8, R9, g, R11, R12, R14], (R13)
        BL      runtime·load_g(SB)
-       MOVW    PC, R14
-       MOVW    0(R13), PC
-       MOVM.IAW        (R13), [R0, R1, R2, R4, R5, R6, R7, R8, R9, g, R11, R12, PC]
+       MOVW    R15, R14 // R15 is PC.
+       MOVW    0(R13), R15
+       MOVM.IAW        (R13), [R0, R1, R2, R4, R5, R6, R7, R8, R9, g, R11, R12, R15]