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| author | Xiaolin Zhao <zhaoxiaolin@loongson.cn> | 2024-12-16 10:53:00 +0800 |
|---|---|---|
| committer | abner chenc <chenguoqi@loongson.cn> | 2025-03-13 17:18:49 -0700 |
| commit | 80f068928fd957935df3d61da319331e76a73b49 (patch) | |
| tree | 172aa181be950ba51541db85259e652793e11ddd /src/cmd/internal/obj | |
| parent | 937368f84e545db15d3f39c2b33a267ba8ead4a4 (diff) | |
| download | go-80f068928fd957935df3d61da319331e76a73b49.tar.xz | |
cmd/internal/obj/loong64: add {V,XV}{FSQRT/FRECIP/FRSQRT}.{S/D} instructions support
Go asm syntax:
V{FSQRT/FRECIP/FRSQRT}{F/D} VJ, VD
XV{FSQRT/FRECIP/FRSQRT}{F/D} XJ, XD
Equivalent platform assembler syntax:
v{fsqrt/frecip/frsqrt}.{s/d} vd, vj
xv{fsqrt/frecip/frsqrt}.{s/d} xd, xj
Change-Id: I3fdbe3193659d7532164451b087ccf725053172f
Reviewed-on: https://go-review.googlesource.com/c/go/+/636395
Reviewed-by: David Chase <drchase@google.com>
Reviewed-by: abner chenc <chenguoqi@loongson.cn>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Reviewed-by: Junyang Shao <shaojunyang@google.com>
Diffstat (limited to 'src/cmd/internal/obj')
| -rw-r--r-- | src/cmd/internal/obj/loong64/a.out.go | 14 | ||||
| -rw-r--r-- | src/cmd/internal/obj/loong64/anames.go | 12 | ||||
| -rw-r--r-- | src/cmd/internal/obj/loong64/asm.go | 36 |
3 files changed, 62 insertions, 0 deletions
diff --git a/src/cmd/internal/obj/loong64/a.out.go b/src/cmd/internal/obj/loong64/a.out.go index 55ca273455..9df63de388 100644 --- a/src/cmd/internal/obj/loong64/a.out.go +++ b/src/cmd/internal/obj/loong64/a.out.go @@ -936,6 +936,20 @@ const ( AXVMUHWU AXVMUHVU + // LSX and LASX floating point instructions + AVFSQRTF + AVFSQRTD + AVFRECIPF + AVFRECIPD + AVFRSQRTF + AVFRSQRTD + AXVFSQRTF + AXVFSQRTD + AXVFRECIPF + AXVFRECIPD + AXVFRSQRTF + AXVFRSQRTD + ALAST // aliases diff --git a/src/cmd/internal/obj/loong64/anames.go b/src/cmd/internal/obj/loong64/anames.go index b91bb93d0a..bc7948eb00 100644 --- a/src/cmd/internal/obj/loong64/anames.go +++ b/src/cmd/internal/obj/loong64/anames.go @@ -437,5 +437,17 @@ var Anames = []string{ "XVMUHHU", "XVMUHWU", "XVMUHVU", + "VFSQRTF", + "VFSQRTD", + "VFRECIPF", + "VFRECIPD", + "VFRSQRTF", + "VFRSQRTD", + "XVFSQRTF", + "XVFSQRTD", + "XVFRECIPF", + "XVFRECIPD", + "XVFRSQRTF", + "XVFRSQRTD", "LAST", } diff --git a/src/cmd/internal/obj/loong64/asm.go b/src/cmd/internal/obj/loong64/asm.go index 306a309cac..3186791791 100644 --- a/src/cmd/internal/obj/loong64/asm.go +++ b/src/cmd/internal/obj/loong64/asm.go @@ -1653,11 +1653,23 @@ func buildop(ctxt *obj.Link) { opset(AVPCNTH, r0) opset(AVPCNTW, r0) opset(AVPCNTV, r0) + opset(AVFSQRTF, r0) + opset(AVFSQRTD, r0) + opset(AVFRECIPF, r0) + opset(AVFRECIPD, r0) + opset(AVFRSQRTF, r0) + opset(AVFRSQRTD, r0) case AXVPCNTB: opset(AXVPCNTH, r0) opset(AXVPCNTW, r0) opset(AXVPCNTV, r0) + opset(AXVFSQRTF, r0) + opset(AXVFSQRTD, r0) + opset(AXVFRECIPF, r0) + opset(AXVFRECIPD, r0) + opset(AXVFRSQRTF, r0) + opset(AXVFRSQRTD, r0) case AVADDB: opset(AVADDH, r0) @@ -3330,6 +3342,30 @@ func (c *ctxt0) oprr(a obj.As) uint32 { return 0x1da70a << 10 // xvpcnt.w case AXVPCNTV: return 0x1da70b << 10 // xvpcnt.v + case AVFSQRTF: + return 0x1ca739 << 10 // vfsqrt.s + case AVFSQRTD: + return 0x1ca73a << 10 // vfsqrt.d + case AVFRECIPF: + return 0x1ca73d << 10 // vfrecip.s + case AVFRECIPD: + return 0x1ca73e << 10 // vfrecip.d + case AVFRSQRTF: + return 0x1ca741 << 10 // vfrsqrt.s + case AVFRSQRTD: + return 0x1ca742 << 10 // vfrsqrt.d + case AXVFSQRTF: + return 0x1da739 << 10 // xvfsqrt.s + case AXVFSQRTD: + return 0x1da73a << 10 // xvfsqrt.d + case AXVFRECIPF: + return 0x1da73d << 10 // xvfrecip.s + case AXVFRECIPD: + return 0x1da73e << 10 // xvfrecip.d + case AXVFRSQRTF: + return 0x1da741 << 10 // xvfrsqrt.s + case AXVFRSQRTD: + return 0x1da742 << 10 // xvfrsqrt.d } c.ctxt.Diag("bad rr opcode %v", a) |