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cmd/compile/internal/ssa: add support on loong64 for schedule phase

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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: Id533912c62d8c4e2aa3c124561772b543d685d7d
Reviewed-on: https://go-review.googlesource.com/c/go/+/367041
TryBot-Result: Gopher Robot <gobot@golang.org>
Reviewed-by: Ian Lance Taylor <iant@google.com>
Run-TryBot: Ian Lance Taylor <iant@google.com>
Reviewed-by: David Chase <drchase@google.com>
Auto-Submit: Ian Lance Taylor <iant@google.com>
This commit is contained in:
Xiaodong Liu 2021-11-25 11:41:03 +08:00 committed by Gopher Robot
parent a6c95e75d9
commit a2d12076b9
1 changed files with 3 additions and 2 deletions
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5
src/cmd/compile/internal/ssa/schedule.go
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@ -79,7 +79,7 @@ func (h ValHeap) Less(i, j int) bool {
func (op Op) isLoweredGetClosurePtr() bool {
switch op {
case OpAMD64LoweredGetClosurePtr, OpPPC64LoweredGetClosurePtr, OpARMLoweredGetClosurePtr, OpARM64LoweredGetClosurePtr,
Op386LoweredGetClosurePtr, OpMIPS64LoweredGetClosurePtr, OpS390XLoweredGetClosurePtr, OpMIPSLoweredGetClosurePtr,
Op386LoweredGetClosurePtr, OpMIPS64LoweredGetClosurePtr, OpLOONG64LoweredGetClosurePtr, OpS390XLoweredGetClosurePtr, OpMIPSLoweredGetClosurePtr,
OpRISCV64LoweredGetClosurePtr, OpWasmLoweredGetClosurePtr:
return true
}
@ -129,7 +129,8 @@ func schedule(f *Func) {
v.Op == OpARMLoweredNilCheck || v.Op == OpARM64LoweredNilCheck ||
v.Op == Op386LoweredNilCheck || v.Op == OpMIPS64LoweredNilCheck ||
v.Op == OpS390XLoweredNilCheck || v.Op == OpMIPSLoweredNilCheck ||
v.Op == OpRISCV64LoweredNilCheck || v.Op == OpWasmLoweredNilCheck:
v.Op == OpRISCV64LoweredNilCheck || v.Op == OpWasmLoweredNilCheck ||
v.Op == OpLOONG64LoweredNilCheck:
// Nil checks must come before loads from the same address.
score[v.ID] = ScoreNilCheck
case v.Op == OpPhi: