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cmd/internal/obj/loong64: add [X]VFRINT[{RNE/RZ/RP/RM}].{S/D} instructions

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Go asm syntax:
	 VFRINT[{RNE/RZ/RP/RM}]{F/D}	VJ, VD
	XVFRINT[{RNE/RZ/RP/RM}]{F/D}	XJ, XD

Equivalent platform assembler syntax:
	 vfrint[{rne/rz/rp/rm}].{s/d}	vd, vj
	xvfrint[{rne/rz/rp/rm}].{s/d}	xd, xj

Change-Id: I4ed8782289ae3329d675239f799d5f75b1adc4ad
Reviewed-on: https://go-review.googlesource.com/c/go/+/670235
Reviewed-by: abner chenc <chenguoqi@loongson.cn>
Reviewed-by: Cherry Mui <cherryyz@google.com>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Reviewed-by: Carlos Amedee <carlos@golang.org>
This commit is contained in:
Xiaolin Zhao 2025-05-06 10:10:30 +08:00 • committed by abner chenc
parent ec7d955abf
commit d13da63929
4 changed files with 124 additions and 0 deletions
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22
src/cmd/asm/internal/asm/testdata/loong64enc1.s vendored
View file

@ -964,3 +964,25 @@ lable2:
XVSETALLNEH X1, FCC0 // 20b49c76
XVSETALLNEW X1, FCC0 // 20b89c76
XVSETALLNEV X1, FCC0 // 20bc9c76
// [X]VFRINT[{RNE/RZ/RP/RM}].{S/D} instructions
VFRINTRNEF V1, V2 // 22749d72
VFRINTRNED V1, V2 // 22789d72
VFRINTRZF V1, V2 // 22649d72
VFRINTRZD V1, V2 // 22689d72
VFRINTRPF V1, V2 // 22549d72
VFRINTRPD V1, V2 // 22589d72
VFRINTRMF V1, V2 // 22449d72
VFRINTRMD V1, V2 // 22489d72
VFRINTF V1, V2 // 22349d72
VFRINTD V1, V2 // 22389d72
XVFRINTRNEF X1, X2 // 22749d76
XVFRINTRNED X1, X2 // 22789d76
XVFRINTRZF X1, X2 // 22649d76
XVFRINTRZD X1, X2 // 22689d76
XVFRINTRPF X1, X2 // 22549d76
XVFRINTRPD X1, X2 // 22589d76
XVFRINTRMF X1, X2 // 22449d76
XVFRINTRMD X1, X2 // 22489d76
XVFRINTF X1, X2 // 22349d76
XVFRINTD X1, X2 // 22389d76

22
src/cmd/internal/obj/loong64/a.out.go
View file

@ -950,6 +950,28 @@ const (
AXVFRSQRTF
AXVFRSQRTD
// LSX and LASX floating point conversion instructions
AVFRINTRNEF
AVFRINTRNED
AVFRINTRZF
AVFRINTRZD
AVFRINTRPF
AVFRINTRPD
AVFRINTRMF
AVFRINTRMD
AVFRINTF
AVFRINTD
AXVFRINTRNEF
AXVFRINTRNED
AXVFRINTRZF
AXVFRINTRZD
AXVFRINTRPF
AXVFRINTRPD
AXVFRINTRMF
AXVFRINTRMD
AXVFRINTF
AXVFRINTD
// LSX and LASX integer neg instructions
AVNEGB
AVNEGH

20
src/cmd/internal/obj/loong64/anames.go
View file

@ -449,6 +449,26 @@ var Anames = []string{
"XVFRECIPD",
"XVFRSQRTF",
"XVFRSQRTD",
"VFRINTRNEF",
"VFRINTRNED",
"VFRINTRZF",
"VFRINTRZD",
"VFRINTRPF",
"VFRINTRPD",
"VFRINTRMF",
"VFRINTRMD",
"VFRINTF",
"VFRINTD",
"XVFRINTRNEF",
"XVFRINTRNED",
"XVFRINTRZF",
"XVFRINTRZD",
"XVFRINTRPF",
"XVFRINTRPD",
"XVFRINTRMF",
"XVFRINTRMD",
"XVFRINTF",
"XVFRINTD",
"VNEGB",
"VNEGH",
"VNEGW",

60
src/cmd/internal/obj/loong64/asm.go
View file

@ -1722,6 +1722,16 @@ func buildop(ctxt *obj.Link) {
opset(AVNEGH, r0)
opset(AVNEGW, r0)
opset(AVNEGV, r0)
opset(AVFRINTRNEF, r0)
opset(AVFRINTRNED, r0)
opset(AVFRINTRZF, r0)
opset(AVFRINTRZD, r0)
opset(AVFRINTRPF, r0)
opset(AVFRINTRPD, r0)
opset(AVFRINTRMF, r0)
opset(AVFRINTRMD, r0)
opset(AVFRINTF, r0)
opset(AVFRINTD, r0)
case AXVPCNTB:
opset(AXVPCNTH, r0)
@ -1737,6 +1747,16 @@ func buildop(ctxt *obj.Link) {
opset(AXVNEGH, r0)
opset(AXVNEGW, r0)
opset(AXVNEGV, r0)
opset(AXVFRINTRNEF, r0)
opset(AXVFRINTRNED, r0)
opset(AXVFRINTRZF, r0)
opset(AXVFRINTRZD, r0)
opset(AXVFRINTRPF, r0)
opset(AXVFRINTRPD, r0)
opset(AXVFRINTRMF, r0)
opset(AXVFRINTRMD, r0)
opset(AXVFRINTF, r0)
opset(AXVFRINTD, r0)
case AVADDB:
opset(AVADDH, r0)
@ -3583,6 +3603,46 @@ func (c *ctxt0) oprr(a obj.As) uint32 {
return 0x1da70e << 10 // xvneg.w
case AXVNEGV:
return 0x1da70f << 10 // xvneg.d
case AVFRINTRNEF:
return 0x1ca75d << 10 // vfrintrne.s
case AVFRINTRNED:
return 0x1ca75e << 10 // vfrintrne.d
case AVFRINTRZF:
return 0x1ca759 << 10 // vfrintrz.s
case AVFRINTRZD:
return 0x1ca75a << 10 // vfrintrz.d
case AVFRINTRPF:
return 0x1ca755 << 10 // vfrintrp.s
case AVFRINTRPD:
return 0x1ca756 << 10 // vfrintrp.d
case AVFRINTRMF:
return 0x1ca751 << 10 // vfrintrm.s
case AVFRINTRMD:
return 0x1ca752 << 10 // vfrintrm.d
case AVFRINTF:
return 0x1ca74d << 10 // vfrint.s
case AVFRINTD:
return 0x1ca74e << 10 // vfrint.d
case AXVFRINTRNEF:
return 0x1da75d << 10 // xvfrintrne.s
case AXVFRINTRNED:
return 0x1da75e << 10 // xvfrintrne.d
case AXVFRINTRZF:
return 0x1da759 << 10 // xvfrintrz.s
case AXVFRINTRZD:
return 0x1da75a << 10 // xvfrintrz.d
case AXVFRINTRPF:
return 0x1da755 << 10 // xvfrintrp.s
case AXVFRINTRPD:
return 0x1da756 << 10 // xvfrintrp.d
case AXVFRINTRMF:
return 0x1da751 << 10 // xvfrintrm.s
case AXVFRINTRMD:
return 0x1da752 << 10 // xvfrintrm.d
case AXVFRINTF:
return 0x1da74d << 10 // xvfrint.s
case AXVFRINTD:
return 0x1da74e << 10 // xvfrint.d
case AVSETEQV:
return 0x1ca726<<10 | 0x0<<3 // vseteqz.v
case AVSETNEV: