From 756fcd8fc2cbdf6575d8da454c5006c50220dafd Mon Sep 17 00:00:00 2001
From: Xiaodong Liu <liuxiaodong@loongson.cn>
Date: Wed, 24 Nov 2021 17:48:09 +0800
Subject: [PATCH] cmd/compile/internal/ssa: config functions used in lower pass
 for loong64

Contributors to the loong64 port are:
  Weining Lu <luweining@loongson.cn>
  Lei Wang <wanglei@loongson.cn>
  Lingqin Gong <gonglingqin@loongson.cn>
  Xiaolin Zhao <zhaoxiaolin@loongson.cn>
  Meidan Li <limeidan@loongson.cn>
  Xiaojuan Zhai <zhaixiaojuan@loongson.cn>
  Qiyuan Pu <puqiyuan@loongson.cn>
  Guoqi Chen <chenguoqi@loongson.cn>

This port has been updated to Go 1.15.6:
  https://github.com/loongson/go

Updates #46229

Change-Id: I50d20eb22f2108d245513de8ac95ebe0b7e1a1dc
Reviewed-on: https://go-review.googlesource.com/c/go/+/367037
Reviewed-by: David Chase <drchase@google.com>
Reviewed-by: Ian Lance Taylor <iant@google.com>
Run-TryBot: Ian Lance Taylor <iant@google.com>
TryBot-Result: Gopher Robot <gobot@golang.org>
Auto-Submit: Ian Lance Taylor <iant@google.com>
---
 src/cmd/compile/internal/ssa/config.go | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/src/cmd/compile/internal/ssa/config.go b/src/cmd/compile/internal/ssa/config.go
index 931ef454fc..79b6849e4e 100644
--- a/src/cmd/compile/internal/ssa/config.go
+++ b/src/cmd/compile/internal/ssa/config.go
@@ -263,6 +263,17 @@ func NewConfig(arch string, types Types, ctxt *obj.Link, optimize, softfloat boo
 		c.FPReg = framepointerRegMIPS64
 		c.LinkReg = linkRegMIPS64
 		c.hasGReg = true
+	case "loong64":
+		c.PtrSize = 8
+		c.RegSize = 8
+		c.lowerBlock = rewriteBlockLOONG64
+		c.lowerValue = rewriteValueLOONG64
+		c.registers = registersLOONG64[:]
+		c.gpRegMask = gpRegMaskLOONG64
+		c.fpRegMask = fpRegMaskLOONG64
+		c.FPReg = framepointerRegLOONG64
+		c.LinkReg = linkRegLOONG64
+		c.hasGReg = true
 	case "s390x":
 		c.PtrSize = 8
 		c.RegSize = 8
-- 
2.48.1