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>

diff --git a/src/cmd/compile/internal/ssa/config.go b/src/cmd/compile/internal/ssa/config.go
index 931ef454fca35cbc05445e49a68e45ed30b3492b..79b6849e4ed2b429b1acbfa3fed63899073609e6 100644 (file)
--- 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