From 6ea2f82750a21aa042a57ceffae4663a60a2f564 Mon Sep 17 00:00:00 2001
From: Dave Cheney <dave@cheney.net>
Date: Fri, 13 Feb 2015 05:18:06 +0000
Subject: [PATCH] runtime: don't use MOV ZR, Rn

Update #104

This ends up encoding as MOV SP, Rn. Using the immediate form, MOV $0, Rn is an accetable substitute.
---
 src/runtime/sys_linux_arm64.s | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/runtime/sys_linux_arm64.s b/src/runtime/sys_linux_arm64.s
index 23174c1155590..763e56927a11d 100644
--- a/src/runtime/sys_linux_arm64.s
+++ b/src/runtime/sys_linux_arm64.s
@@ -357,7 +357,7 @@ TEXT runtime·sched_getaffinity(SB),NOSPLIT,$-8
 
 // int32 runtime·epollcreate(int32 size);
 TEXT runtime·epollcreate(SB),NOSPLIT,$-8
-	MOVW	ZR, R0
+	MOVW	$0, R0
 	MOV	$SYS_epoll_create1, R8
 	SVC
 	MOVW	R0, ret+8(FP)
@@ -388,7 +388,7 @@ TEXT runtime·epollwait(SB),NOSPLIT,$-8
 	MOV	ev+8(FP), R1
 	MOVW	nev+16(FP), R2
 	MOVW	timeout+20(FP), R3
-	MOV	ZR, R4
+	MOV	$0, R4
 	MOV	$SYS_epoll_pwait, R8
 	SVC
 	MOVW	R0, ret+24(FP)