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| author | Xiaolin Zhao <zhaoxiaolin@loongson.cn> | 2025-08-21 16:52:02 +0800 |
|---|---|---|
| committer | Gopher Robot <gobot@golang.org> | 2025-08-21 11:16:49 -0700 |
| commit | fa706ea50fd0b9bf36d642d3bb8eeb732caafc7f (patch) | |
| tree | 90116ccf17cc900044a65d837b6c236c28608bc8 /test/codegen/shift.go | |
| parent | ffc85ee1f1c865c953920f966a8401d963b102ca (diff) | |
| download | go-fa706ea50fd0b9bf36d642d3bb8eeb732caafc7f.tar.xz | |
cmd/compile: optimize rule (x + x) << c to x << c+1 on loong64
Change-Id: I782f93510bba92ba60b298c1c1cde456c8bcec38
Reviewed-on: https://go-review.googlesource.com/c/go/+/697956
Reviewed-by: Keith Randall <khr@google.com>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Reviewed-by: Keith Randall <khr@golang.org>
Auto-Submit: Keith Randall <khr@golang.org>
Reviewed-by: Carlos Amedee <carlos@golang.org>
Diffstat (limited to 'test/codegen/shift.go')
| -rw-r--r-- | test/codegen/shift.go | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/test/codegen/shift.go b/test/codegen/shift.go index 0e4cf1ed8d..3ab0fcfabc 100644 --- a/test/codegen/shift.go +++ b/test/codegen/shift.go @@ -121,21 +121,25 @@ func rshConst64x32(v int64) int64 { func lshConst32x1Add(x int32) int32 { // amd64:"SHLL\t[$]2" + // loong64:"SLL\t[$]2" return (x + x) << 1 } func lshConst64x1Add(x int64) int64 { // amd64:"SHLQ\t[$]2" + // loong64:"SLLV\t[$]2" return (x + x) << 1 } func lshConst32x2Add(x int32) int32 { // amd64:"SHLL\t[$]3" + // loong64:"SLL\t[$]3" return (x + x) << 2 } func lshConst64x2Add(x int64) int64 { // amd64:"SHLQ\t[$]3" + // loong64:"SLLV\t[$]3" return (x + x) << 2 } |