From 75447d0623e3e7614a9cf9cdd5ece23d18028cab Mon Sep 17 00:00:00 2001
From: Shenghou Ma <minux@golang.org>
Date: Tue, 24 Mar 2015 02:56:07 -0400
Subject: [PATCH] cmd/7g: fix linux/arm64 build
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

REGRT1 and REGRT2 are also reserved on arm64 for runtime (duffzero
and duffcopy).

Change-Id: If098527a7f29d16f94bdcec05fd55950b9076e35
Signed-off-by: Shenghou Ma <minux@golang.org>
Reviewed-on: https://go-review.googlesource.com/7977
Reviewed-by: Aram Hăvărneanu <aram@mgk.ro>
Reviewed-by: Dave Cheney <dave@cheney.net>
Reviewed-by: Rob Pike <r@golang.org>
---
 src/cmd/7g/gsubr.go | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/cmd/7g/gsubr.go b/src/cmd/7g/gsubr.go
index 0828daf9dde..2d2bdb7ca4c 100644
--- a/src/cmd/7g/gsubr.go
+++ b/src/cmd/7g/gsubr.go
@@ -45,6 +45,8 @@ var unmappedzero int64 = 4096
 var resvd = []int{
 	arm64.REGTMP,
 	arm64.REGG,
+	arm64.REGRT1,
+	arm64.REGRT2,
 	arm64.REG_R31, // REGZERO and REGSP
 	arm64.FREGZERO,
 	arm64.FREGHALF,