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| author | Xiaolin Zhao <zhaoxiaolin@loongson.cn> | 2025-11-18 13:00:15 +0800 |
|---|---|---|
| committer | abner chenc <chenguoqi@loongson.cn> | 2025-11-23 23:54:44 -0800 |
| commit | feae743bdbb7dc4b9d053117dbea494202d6a2de (patch) | |
| tree | 34a307673976c30b1495e0413c905c2933c91126 /test/codegen/arithmetic.go | |
| parent | e88be8a128d167c5ab91eabc998ab364370c702e (diff) | |
| download | go-feae743bdbb7dc4b9d053117dbea494202d6a2de.tar.xz | |
cmd/compile: use 32x32->64 multiplies on loong64
Gets rid of some sign extensions, like arm64.
Change-Id: I9fc37e15a82718bfcf53db8cab0c4e7baaa0a747
Reviewed-on: https://go-review.googlesource.com/c/go/+/721522
Reviewed-by: Keith Randall <khr@google.com>
Reviewed-by: Keith Randall <khr@golang.org>
Reviewed-by: Meidan Li <limeidan@loongson.cn>
Reviewed-by: Mark Freeman <markfreeman@google.com>
Reviewed-by: abner chenc <chenguoqi@loongson.cn>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Diffstat (limited to 'test/codegen/arithmetic.go')
| -rw-r--r-- | test/codegen/arithmetic.go | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/test/codegen/arithmetic.go b/test/codegen/arithmetic.go index 29764bf817..7cc6cf77e1 100644 --- a/test/codegen/arithmetic.go +++ b/test/codegen/arithmetic.go @@ -335,11 +335,13 @@ func Fold2NegMul(a, b int) int { func Mul32(a, b int32) int64 { // arm64:"SMULL" -"MOVW" + // loong64:"MULWVW" -"MOVW" return int64(a) * int64(b) } func Mul32U(a, b uint32) uint64 { // arm64:"UMULL" -"MOVWU" + // loong64:"MULWVWU" -"MOVWU" return uint64(a) * uint64(b) } |