From: Guoqi Chen <chenguoqi@loongson.cn>
Date: Mon, 4 Jul 2022 02:16:12 +0000 (+0800)
Subject: cmd/compile: remove the resultInArg0 register checks on linux/loong64
X-Git-Tag: go1.20rc1~428
X-Git-Url: http://www.git.cypherpunks.su/?a=commitdiff_plain;h=c1c6b0ca79233c8b7612957291c2d47d337cc2de;p=gostls13.git

cmd/compile: remove the resultInArg0 register checks on linux/loong64

The automatic resultInArg0 register check has been implemented by CL 296010.

Change-Id: Id0e085ded9aa097bd02593c359a750d938a3aaa6
Reviewed-on: https://go-review.googlesource.com/c/go/+/416034
Reviewed-by: Keith Randall <khr@golang.org>
TryBot-Result: Gopher Robot <gobot@golang.org>
Reviewed-by: Keith Randall <khr@google.com>
Reviewed-by: Wayne Zuo <wdvxdr@golangcn.org>
Run-TryBot: Wayne Zuo <wdvxdr@golangcn.org>
Reviewed-by: Bryan Mills <bcmills@google.com>
---

diff --git a/src/cmd/compile/internal/loong64/ssa.go b/src/cmd/compile/internal/loong64/ssa.go
index e004c6f7fb..68a2d8ac1b 100644
--- a/src/cmd/compile/internal/loong64/ssa.go
+++ b/src/cmd/compile/internal/loong64/ssa.go
@@ -101,9 +101,6 @@ func ssaGenValue(s *ssagen.State, v *ssa.Value) {
 		p.To.Type = obj.TYPE_REG
 		p.To.Reg = y
 	case ssa.OpLOONG64MOVVnop:
-		if v.Reg() != v.Args[0].Reg() {
-			v.Fatalf("input[0] and output not in same register %s", v.LongString())
-		}
 		// nothing to do
 	case ssa.OpLoadReg:
 		if v.Type.IsFlags() {