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| author | Xiaolin Zhao <zhaoxiaolin@loongson.cn> | 2024-09-04 16:19:22 +0800 |
|---|---|---|
| committer | Gopher Robot <gobot@golang.org> | 2024-09-05 00:48:33 +0000 |
| commit | db07c8607a1da5f618a7a8c2fae3e557dc6cb1af (patch) | |
| tree | e0349a4132b5561d4008cc643a989cf595ecd7d8 | |
| parent | 501b389efc6213eda80eeed2253d3d7f931f3db5 (diff) | |
| download | go-db07c8607a1da5f618a7a8c2fae3e557dc6cb1af.tar.xz | |
cmd/internal/obj/loong64: add support for instructions ANDN and ORN
Go asm syntax:
ANDN/ORN RK, RJ, RD
or ANDN/ORN RK, RD
Equivalent platform assembler syntax:
andn/orn rd, rj, rk
or andn/orn rd, rd, rk
Ref: https://loongson.github.io/LoongArch-Documentation/LoongArch-Vol1-EN.html
Change-Id: I6d240ecae8f9443811ca450aed3574f13f0f4a81
Reviewed-on: https://go-review.googlesource.com/c/go/+/610475
Reviewed-by: Dmitri Shuralyov <dmitshur@google.com>
Reviewed-by: Cherry Mui <cherryyz@google.com>
Commit-Queue: abner chenc <chenguoqi@loongson.cn>
Reviewed-by: abner chenc <chenguoqi@loongson.cn>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Auto-Submit: abner chenc <chenguoqi@loongson.cn>
| -rw-r--r-- | src/cmd/asm/internal/asm/testdata/loong64enc1.s | 5 | ||||
| -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 |
4 files changed, 17 insertions, 0 deletions
diff --git a/src/cmd/asm/internal/asm/testdata/loong64enc1.s b/src/cmd/asm/internal/asm/testdata/loong64enc1.s index 8d4231fa6c..45256beb7c 100644 --- a/src/cmd/asm/internal/asm/testdata/loong64enc1.s +++ b/src/cmd/asm/internal/asm/testdata/loong64enc1.s @@ -132,6 +132,11 @@ lable2: BREAK // 00002a00 UNDEF // 00002a00 + ANDN R4, R5, R6 // a6901600 + ANDN R4, R5 // a5901600 + ORN R4, R5, R6 // a6101600 + ORN R4, R5 // a5101600 + // mul MUL R4, R5 // a5101c00 MUL R4, R5, R6 // a6101c00 diff --git a/src/cmd/internal/obj/loong64/a.out.go b/src/cmd/internal/obj/loong64/a.out.go index 7c20df3b2d..60b0a62180 100644 --- a/src/cmd/internal/obj/loong64/a.out.go +++ b/src/cmd/internal/obj/loong64/a.out.go @@ -385,6 +385,10 @@ const ( AMOVVF AMOVVD + // 2.2.1.8 + AORN + AANDN + // 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 ed3d5b25ce..ddf13eec6e 100644 --- a/src/cmd/internal/obj/loong64/anames.go +++ b/src/cmd/internal/obj/loong64/anames.go @@ -127,6 +127,8 @@ var Anames = []string{ "MOVDV", "MOVVF", "MOVVD", + "ORN", + "ANDN", "AMSWAPB", "AMSWAPH", "AMSWAPW", diff --git a/src/cmd/internal/obj/loong64/asm.go b/src/cmd/internal/obj/loong64/asm.go index 261e4a13c8..4e5bc15d33 100644 --- a/src/cmd/internal/obj/loong64/asm.go +++ b/src/cmd/internal/obj/loong64/asm.go @@ -1100,6 +1100,8 @@ func buildop(ctxt *obj.Link) { case AAND: opset(AOR, r0) opset(AXOR, r0) + opset(AORN, r0) + opset(AANDN, r0) case ABEQ: opset(ABNE, r0) @@ -1858,6 +1860,10 @@ func (c *ctxt0) oprrr(a obj.As) uint32 { return 0x2a << 15 case AXOR: return 0x2b << 15 + case AORN: + return 0x2c << 15 // orn + case AANDN: + return 0x2d << 15 // andn case ASUB: return 0x22 << 15 case ASUBU, ANEGW: |