diff options
| author | Xiaolin Zhao <zhaoxiaolin@loongson.cn> | 2024-10-31 15:11:05 +0800 |
|---|---|---|
| committer | abner chenc <chenguoqi@loongson.cn> | 2024-11-01 01:55:14 +0000 |
| commit | 7240c6cb970bd395e7005988b4ce6af73a8e59c0 (patch) | |
| tree | baa12e9ff069476a820d81322e0d4db562d7a924 /src/cmd/internal/obj | |
| parent | 3f694f73d0581b2f95054b4c5652a25b5d8e5116 (diff) | |
| download | go-7240c6cb970bd395e7005988b4ce6af73a8e59c0.tar.xz | |
cmd/asm: add support for loong64 CRC32 instructions
This patch is a copy of CL 478595.
Co-authored-by: WANG Xuerui <git@xen0n.name>
Change-Id: Ifb6e8183c83a5dfe5dec84e173a74d5de62692a0
Reviewed-on: https://go-review.googlesource.com/c/go/+/623875
Reviewed-by: Carlos Amedee <carlos@golang.org>
Reviewed-by: abner chenc <chenguoqi@loongson.cn>
Reviewed-by: Michael Pratt <mpratt@google.com>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Diffstat (limited to 'src/cmd/internal/obj')
| -rw-r--r-- | src/cmd/internal/obj/loong64/a.out.go | 10 | ||||
| -rw-r--r-- | src/cmd/internal/obj/loong64/anames.go | 8 | ||||
| -rw-r--r-- | src/cmd/internal/obj/loong64/asm.go | 25 |
3 files changed, 42 insertions, 1 deletions
diff --git a/src/cmd/internal/obj/loong64/a.out.go b/src/cmd/internal/obj/loong64/a.out.go index 6653b7fe98..9470f9418c 100644 --- a/src/cmd/internal/obj/loong64/a.out.go +++ b/src/cmd/internal/obj/loong64/a.out.go @@ -477,6 +477,16 @@ const ( ABSTRPICKW ABSTRPICKV + // 2.2.9. CRC Check Instructions + ACRCWBW + ACRCWHW + ACRCWWW + ACRCWVW + ACRCCWBW + ACRCCWHW + ACRCCWWW + ACRCCWVW + // 2.2.10. Other Miscellaneous Instructions ARDTIMELW ARDTIMEHW diff --git a/src/cmd/internal/obj/loong64/anames.go b/src/cmd/internal/obj/loong64/anames.go index 2cbf305196..28566d1504 100644 --- a/src/cmd/internal/obj/loong64/anames.go +++ b/src/cmd/internal/obj/loong64/anames.go @@ -199,6 +199,14 @@ var Anames = []string{ "BSTRINSV", "BSTRPICKW", "BSTRPICKV", + "CRCWBW", + "CRCWHW", + "CRCWWW", + "CRCWVW", + "CRCCWBW", + "CRCCWHW", + "CRCCWWW", + "CRCCWVW", "RDTIMELW", "RDTIMEHW", "RDTIMED", diff --git a/src/cmd/internal/obj/loong64/asm.go b/src/cmd/internal/obj/loong64/asm.go index 985c054ece..3f3a352ee1 100644 --- a/src/cmd/internal/obj/loong64/asm.go +++ b/src/cmd/internal/obj/loong64/asm.go @@ -1234,6 +1234,14 @@ func buildop(ctxt *obj.Link) { case AMASKEQZ: opset(AMASKNEZ, r0) + opset(ACRCWBW, r0) + opset(ACRCWHW, r0) + opset(ACRCWWW, r0) + opset(ACRCWVW, r0) + opset(ACRCCWBW, r0) + opset(ACRCCWHW, r0) + opset(ACRCCWWW, r0) + opset(ACRCCWVW, r0) case ANOOP: opset(obj.AUNDEF, r0) @@ -1949,7 +1957,22 @@ func (c *ctxt0) oprrr(a obj.As) uint32 { return 0x45 << 15 // mod.d case AREMVU: return 0x47 << 15 // mod.du - + case ACRCWBW: + return 0x48 << 15 // crc.w.b.w + case ACRCWHW: + return 0x49 << 15 // crc.w.h.w + case ACRCWWW: + return 0x4a << 15 // crc.w.w.w + case ACRCWVW: + return 0x4b << 15 // crc.w.d.w + case ACRCCWBW: + return 0x4c << 15 // crcc.w.b.w + case ACRCCWHW: + return 0x4d << 15 // crcc.w.h.w + case ACRCCWWW: + return 0x4e << 15 // crcc.w.w.w + case ACRCCWVW: + return 0x4f << 15 // crcc.w.d.w case AJMP: return 0x13 << 26 // jirl r0, rj, 0 case AJAL: |