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

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>

diff --git a/src/cmd/asm/internal/asm/testdata/loong64enc1.s b/src/cmd/asm/internal/asm/testdata/loong64enc1.s
index cfda9ba0b44306480c554aa4dbd32830f64770b7..a901da9b69d721bd57d83d6fa3ac1c3505514f85 100644 (file)
--- a/src/cmd/asm/internal/asm/testdata/loong64enc1.s
+++ b/src/cmd/asm/internal/asm/testdata/loong64enc1.s
@@ -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

diff --git a/src/cmd/internal/obj/loong64/a.out.go b/src/cmd/internal/obj/loong64/a.out.go
index 4bef470c86704a86648d3ea52e2753ea5170c062..5e8210d5ddcdf0bec0e78547ff8553f6d9f13626 100644 (file)
--- a/src/cmd/internal/obj/loong64/a.out.go
+++ b/src/cmd/internal/obj/loong64/a.out.go
@@ -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

diff --git a/src/cmd/internal/obj/loong64/anames.go b/src/cmd/internal/obj/loong64/anames.go
index d50c29a9f9d30691c900b1588946ea1ddfba7f16..86110c217d21d163149a00e8beaf62e633c492eb 100644 (file)
--- a/src/cmd/internal/obj/loong64/anames.go
+++ b/src/cmd/internal/obj/loong64/anames.go
@@ -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",

diff --git a/src/cmd/internal/obj/loong64/asm.go b/src/cmd/internal/obj/loong64/asm.go
index 7fdba0c6c2837950d203ee801ecc2b0346741066..1b46aa68a1f1b9245a364f335f29c3ba24fb61d7 100644 (file)
--- a/src/cmd/internal/obj/loong64/asm.go
+++ b/src/cmd/internal/obj/loong64/asm.go
@@ -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: