diff options
| author | Xiaolin Zhao <zhaoxiaolin@loongson.cn> | 2025-11-18 10:55:19 +0800 |
|---|---|---|
| committer | abner chenc <chenguoqi@loongson.cn> | 2025-11-19 19:00:54 -0800 |
| commit | 7f2ae21fb481e527086aafee6da3dafdca444f7a (patch) | |
| tree | bc0935fa7452649b17905cc0920e1da4576c8ccf /src/cmd/internal | |
| parent | a2946f23854b0815d4d5883ec48432358f4052c5 (diff) | |
| download | go-7f2ae21fb481e527086aafee6da3dafdca444f7a.tar.xz | |
cmd/internal/obj/loong64: add MULW.D.W[U] instructions
Go asm syntax:
MULWVW RK, RJ, RD
MULWVWU RK, RJ, RD
Equivalent platform assembler syntax:
mulw.d.w rd, rj, rk
mulw.d.wu rd, rj, rk
Change-Id: Ie46a21904a4c25d04200b0663f83072c38a76c6f
Reviewed-on: https://go-review.googlesource.com/c/go/+/721521
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Reviewed-by: abner chenc <chenguoqi@loongson.cn>
Reviewed-by: Meidan Li <limeidan@loongson.cn>
Reviewed-by: Mark Freeman <markfreeman@google.com>
Reviewed-by: Keith Randall <khr@google.com>
Diffstat (limited to 'src/cmd/internal')
| -rw-r--r-- | src/cmd/internal/obj/loong64/a.out.go | 4 | ||||
| -rw-r--r-- | src/cmd/internal/obj/loong64/anames.go | 2 | ||||
| -rw-r--r-- | src/cmd/internal/obj/loong64/asm.go | 6 |
3 files changed, 12 insertions, 0 deletions
diff --git a/src/cmd/internal/obj/loong64/a.out.go b/src/cmd/internal/obj/loong64/a.out.go index 73f145df14..5b8bffc9f1 100644 --- a/src/cmd/internal/obj/loong64/a.out.go +++ b/src/cmd/internal/obj/loong64/a.out.go @@ -589,6 +589,10 @@ const ( AORN AANDN + // 2.2.1.12 + AMULWVW + AMULWVWU + // 2.2.7. Atomic Memory Access Instructions AAMSWAPB AAMSWAPH diff --git a/src/cmd/internal/obj/loong64/anames.go b/src/cmd/internal/obj/loong64/anames.go index ab85c52a21..1749b43bf6 100644 --- a/src/cmd/internal/obj/loong64/anames.go +++ b/src/cmd/internal/obj/loong64/anames.go @@ -131,6 +131,8 @@ var Anames = []string{ "ALSLV", "ORN", "ANDN", + "MULWVW", + "MULWVWU", "AMSWAPB", "AMSWAPH", "AMSWAPW", diff --git a/src/cmd/internal/obj/loong64/asm.go b/src/cmd/internal/obj/loong64/asm.go index 38b075d77e..b35e49a1b6 100644 --- a/src/cmd/internal/obj/loong64/asm.go +++ b/src/cmd/internal/obj/loong64/asm.go @@ -1503,6 +1503,8 @@ func buildop(ctxt *obj.Link) { opset(AREMU, r0) opset(ADIV, r0) opset(ADIVU, r0) + opset(AMULWVW, r0) + opset(AMULWVWU, r0) case AMULV: opset(AMULVU, r0) @@ -3230,6 +3232,10 @@ func (c *ctxt0) oprrr(a obj.As) uint32 { return 0x3c << 15 // mulh.d case AMULHVU: return 0x3d << 15 // mulhu.d + case AMULWVW: + return 0x3e << 15 // mulw.d.w + case AMULWVWU: + return 0x3f << 15 // mulw.d.wu case ADIV: return 0x40 << 15 // div.w case ADIVU: |