diff --git a/src/cmd/asm/internal/asm/testdata/loong64enc1.s b/src/cmd/asm/internal/asm/testdata/loong64enc1.s
index 8da4824dbc..d6a0762aa8 100644
--- a/src/cmd/asm/internal/asm/testdata/loong64enc1.s
+++ b/src/cmd/asm/internal/asm/testdata/loong64enc1.s
@@ -859,3 +859,55 @@ lable2:
 	XVNEGH		X2, X1		// 41349c76
 	XVNEGW		X2, X1		// 41389c76
 	XVNEGV		X2, X1		// 413c9c76
+
+	// [X]{VMULW}{EV/OD}.{H.B/W.H/D.W/Q.D}[U] instructions
+	VMULWEVHB	V1, V2, V3	// 43049070
+	VMULWEVWH	V1, V2, V3	// 43849070
+	VMULWEVVW	V1, V2, V3	// 43049170
+	VMULWEVQV	V1, V2, V3	// 43849170
+	VMULWODHB	V1, V2, V3	// 43049270
+	VMULWODWH	V1, V2, V3	// 43849270
+	VMULWODVW	V1, V2, V3	// 43049370
+	VMULWODQV	V1, V2, V3	// 43849370
+	VMULWEVHBU	V1, V2, V3	// 43049870
+	VMULWEVWHU	V1, V2, V3	// 43849870
+	VMULWEVVWU	V1, V2, V3	// 43049970
+	VMULWEVQVU	V1, V2, V3	// 43849970
+	VMULWODHBU	V1, V2, V3	// 43049a70
+	VMULWODWHU	V1, V2, V3	// 43849a70
+	VMULWODVWU	V1, V2, V3	// 43049b70
+	VMULWODQVU	V1, V2, V3	// 43849b70
+	XVMULWEVHB	X1, X2, X3	// 43049074
+	XVMULWEVWH	X1, X2, X3	// 43849074
+	XVMULWEVVW	X1, X2, X3	// 43049174
+	XVMULWEVQV	X1, X2, X3	// 43849174
+	XVMULWODHB	X1, X2, X3	// 43049274
+	XVMULWODWH	X1, X2, X3	// 43849274
+	XVMULWODVW	X1, X2, X3	// 43049374
+	XVMULWODQV	X1, X2, X3	// 43849374
+	XVMULWEVHBU	X1, X2, X3	// 43049874
+	XVMULWEVWHU	X1, X2, X3	// 43849874
+	XVMULWEVVWU	X1, X2, X3	// 43049974
+	XVMULWEVQVU	X1, X2, X3	// 43849974
+	XVMULWODHBU	X1, X2, X3	// 43049a74
+	XVMULWODWHU	X1, X2, X3	// 43849a74
+	XVMULWODVWU	X1, X2, X3	// 43049b74
+	XVMULWODQVU	X1, X2, X3	// 43849b74
+
+	// [X]{VMULW}{EV/OD}.{H.BU.B/W.HU.H/D.WU.W/Q.DU.D} instructions
+	VMULWEVHBUB	V1, V2, V3	// 4304a070
+	VMULWEVWHUH	V1, V2, V3	// 4384a070
+	VMULWEVVWUW	V1, V2, V3	// 4304a170
+	VMULWEVQVUV	V1, V2, V3	// 4384a170
+	VMULWODHBUB	V1, V2, V3	// 4304a270
+	VMULWODWHUH	V1, V2, V3	// 4384a270
+	VMULWODVWUW	V1, V2, V3	// 4304a370
+	VMULWODQVUV	V1, V2, V3	// 4384a370
+	XVMULWEVHBUB	X1, X2, X3	// 4304a074
+	XVMULWEVWHUH	X1, X2, X3	// 4384a074
+	XVMULWEVVWUW	X1, X2, X3	// 4304a174
+	XVMULWEVQVUV	X1, X2, X3	// 4384a174
+	XVMULWODHBUB	X1, X2, X3	// 4304a274
+	XVMULWODWHUH	X1, X2, X3	// 4384a274
+	XVMULWODVWUW	X1, X2, X3	// 4304a374
+	XVMULWODQVUV	X1, X2, X3	// 4384a374
diff --git a/src/cmd/internal/obj/loong64/a.out.go b/src/cmd/internal/obj/loong64/a.out.go
index 7eaf5c0ce1..782691754f 100644
--- a/src/cmd/internal/obj/loong64/a.out.go
+++ b/src/cmd/internal/obj/loong64/a.out.go
@@ -960,6 +960,56 @@ const (
 	AXVNEGW
 	AXVNEGV
 
+	// LSX and LASX mul instructions that operate on even or odd positions
+	AVMULWEVHB
+	AVMULWEVWH
+	AVMULWEVVW
+	AVMULWEVQV
+	AVMULWODHB
+	AVMULWODWH
+	AVMULWODVW
+	AVMULWODQV
+	AVMULWEVHBU
+	AVMULWEVWHU
+	AVMULWEVVWU
+	AVMULWEVQVU
+	AVMULWODHBU
+	AVMULWODWHU
+	AVMULWODVWU
+	AVMULWODQVU
+	AXVMULWEVHB
+	AXVMULWEVWH
+	AXVMULWEVVW
+	AXVMULWEVQV
+	AXVMULWODHB
+	AXVMULWODWH
+	AXVMULWODVW
+	AXVMULWODQV
+	AXVMULWEVHBU
+	AXVMULWEVWHU
+	AXVMULWEVVWU
+	AXVMULWEVQVU
+	AXVMULWODHBU
+	AXVMULWODWHU
+	AXVMULWODVWU
+	AXVMULWODQVU
+	AVMULWEVHBUB
+	AVMULWEVWHUH
+	AVMULWEVVWUW
+	AVMULWEVQVUV
+	AVMULWODHBUB
+	AVMULWODWHUH
+	AVMULWODVWUW
+	AVMULWODQVUV
+	AXVMULWEVHBUB
+	AXVMULWEVWHUH
+	AXVMULWEVVWUW
+	AXVMULWEVQVUV
+	AXVMULWODHBUB
+	AXVMULWODWHUH
+	AXVMULWODVWUW
+	AXVMULWODQVUV
+
 	ALAST
 
 	// aliases
diff --git a/src/cmd/internal/obj/loong64/anames.go b/src/cmd/internal/obj/loong64/anames.go
index eae240d5fd..887ada8a17 100644
--- a/src/cmd/internal/obj/loong64/anames.go
+++ b/src/cmd/internal/obj/loong64/anames.go
@@ -457,5 +457,53 @@ var Anames = []string{
 	"XVNEGH",
 	"XVNEGW",
 	"XVNEGV",
+	"VMULWEVHB",
+	"VMULWEVWH",
+	"VMULWEVVW",
+	"VMULWEVQV",
+	"VMULWODHB",
+	"VMULWODWH",
+	"VMULWODVW",
+	"VMULWODQV",
+	"VMULWEVHBU",
+	"VMULWEVWHU",
+	"VMULWEVVWU",
+	"VMULWEVQVU",
+	"VMULWODHBU",
+	"VMULWODWHU",
+	"VMULWODVWU",
+	"VMULWODQVU",
+	"XVMULWEVHB",
+	"XVMULWEVWH",
+	"XVMULWEVVW",
+	"XVMULWEVQV",
+	"XVMULWODHB",
+	"XVMULWODWH",
+	"XVMULWODVW",
+	"XVMULWODQV",
+	"XVMULWEVHBU",
+	"XVMULWEVWHU",
+	"XVMULWEVVWU",
+	"XVMULWEVQVU",
+	"XVMULWODHBU",
+	"XVMULWODWHU",
+	"XVMULWODVWU",
+	"XVMULWODQVU",
+	"VMULWEVHBUB",
+	"VMULWEVWHUH",
+	"VMULWEVVWUW",
+	"VMULWEVQVUV",
+	"VMULWODHBUB",
+	"VMULWODWHUH",
+	"VMULWODVWUW",
+	"VMULWODQVUV",
+	"XVMULWEVHBUB",
+	"XVMULWEVWHUH",
+	"XVMULWEVVWUW",
+	"XVMULWEVQVUV",
+	"XVMULWODHBUB",
+	"XVMULWODWHUH",
+	"XVMULWODVWUW",
+	"XVMULWODQVUV",
 	"LAST",
 }
diff --git a/src/cmd/internal/obj/loong64/asm.go b/src/cmd/internal/obj/loong64/asm.go
index f128dc16e9..f0e3cd77b7 100644
--- a/src/cmd/internal/obj/loong64/asm.go
+++ b/src/cmd/internal/obj/loong64/asm.go
@@ -1583,6 +1583,30 @@ func buildop(ctxt *obj.Link) {
 			opset(AVMODHU, r0)
 			opset(AVMODWU, r0)
 			opset(AVMODVU, r0)
+			opset(AVMULWEVHB, r0)
+			opset(AVMULWEVWH, r0)
+			opset(AVMULWEVVW, r0)
+			opset(AVMULWEVQV, r0)
+			opset(AVMULWODHB, r0)
+			opset(AVMULWODWH, r0)
+			opset(AVMULWODVW, r0)
+			opset(AVMULWODQV, r0)
+			opset(AVMULWEVHBU, r0)
+			opset(AVMULWEVWHU, r0)
+			opset(AVMULWEVVWU, r0)
+			opset(AVMULWEVQVU, r0)
+			opset(AVMULWODHBU, r0)
+			opset(AVMULWODWHU, r0)
+			opset(AVMULWODVWU, r0)
+			opset(AVMULWODQVU, r0)
+			opset(AVMULWEVHBUB, r0)
+			opset(AVMULWEVWHUH, r0)
+			opset(AVMULWEVVWUW, r0)
+			opset(AVMULWEVQVUV, r0)
+			opset(AVMULWODHBUB, r0)
+			opset(AVMULWODWHUH, r0)
+			opset(AVMULWODVWUW, r0)
+			opset(AVMULWODQVUV, r0)
 
 		case AXVSEQB:
 			opset(AXVSEQH, r0)
@@ -1624,6 +1648,30 @@ func buildop(ctxt *obj.Link) {
 			opset(AXVMODHU, r0)
 			opset(AXVMODWU, r0)
 			opset(AXVMODVU, r0)
+			opset(AXVMULWEVHB, r0)
+			opset(AXVMULWEVWH, r0)
+			opset(AXVMULWEVVW, r0)
+			opset(AXVMULWEVQV, r0)
+			opset(AXVMULWODHB, r0)
+			opset(AXVMULWODWH, r0)
+			opset(AXVMULWODVW, r0)
+			opset(AXVMULWODQV, r0)
+			opset(AXVMULWEVHBU, r0)
+			opset(AXVMULWEVWHU, r0)
+			opset(AXVMULWEVVWU, r0)
+			opset(AXVMULWEVQVU, r0)
+			opset(AXVMULWODHBU, r0)
+			opset(AXVMULWODWHU, r0)
+			opset(AXVMULWODVWU, r0)
+			opset(AXVMULWODQVU, r0)
+			opset(AXVMULWEVHBUB, r0)
+			opset(AXVMULWEVWHUH, r0)
+			opset(AXVMULWEVVWUW, r0)
+			opset(AXVMULWEVQVUV, r0)
+			opset(AXVMULWODHBUB, r0)
+			opset(AXVMULWODWHUH, r0)
+			opset(AXVMULWODVWUW, r0)
+			opset(AXVMULWODQVUV, r0)
 
 		case AVANDB:
 			opset(AVORB, r0)
@@ -2990,6 +3038,102 @@ func (c *ctxt0) oprrr(a obj.As) uint32 {
 		return 0xe9ce << 15 // xvmod.wu
 	case AXVMODVU:
 		return 0xe9cf << 15 // xvmod.du
+	case AVMULWEVHB:
+		return 0xe120 << 15 // vmulwev.h.b
+	case AVMULWEVWH:
+		return 0xe121 << 15 // vmulwev.w.h
+	case AVMULWEVVW:
+		return 0xe122 << 15 // vmulwev.d.w
+	case AVMULWEVQV:
+		return 0xe123 << 15 // vmulwev.q.d
+	case AVMULWODHB:
+		return 0xe124 << 15 // vmulwod.h.b
+	case AVMULWODWH:
+		return 0xe125 << 15 // vmulwod.w.h
+	case AVMULWODVW:
+		return 0xe126 << 15 // vmulwod.d.w
+	case AVMULWODQV:
+		return 0xe127 << 15 // vmulwod.q.d
+	case AVMULWEVHBU:
+		return 0xe130 << 15 // vmulwev.h.bu
+	case AVMULWEVWHU:
+		return 0xe131 << 15 // vmulwev.w.hu
+	case AVMULWEVVWU:
+		return 0xe132 << 15 // vmulwev.d.wu
+	case AVMULWEVQVU:
+		return 0xe133 << 15 // vmulwev.q.du
+	case AVMULWODHBU:
+		return 0xe134 << 15 // vmulwod.h.bu
+	case AVMULWODWHU:
+		return 0xe135 << 15 // vmulwod.w.hu
+	case AVMULWODVWU:
+		return 0xe136 << 15 // vmulwod.d.wu
+	case AVMULWODQVU:
+		return 0xe137 << 15 // vmulwod.q.du
+	case AVMULWEVHBUB:
+		return 0xe140 << 15 // vmulwev.h.bu.b
+	case AVMULWEVWHUH:
+		return 0xe141 << 15 // vmulwev.w.hu.h
+	case AVMULWEVVWUW:
+		return 0xe142 << 15 // vmulwev.d.wu.w
+	case AVMULWEVQVUV:
+		return 0xe143 << 15 // vmulwev.q.du.d
+	case AVMULWODHBUB:
+		return 0xe144 << 15 // vmulwod.h.bu.b
+	case AVMULWODWHUH:
+		return 0xe145 << 15 // vmulwod.w.hu.h
+	case AVMULWODVWUW:
+		return 0xe146 << 15 // vmulwod.d.wu.w
+	case AVMULWODQVUV:
+		return 0xe147 << 15 // vmulwod.q.du.d
+	case AXVMULWEVHB:
+		return 0xe920 << 15 // xvmulwev.h.b
+	case AXVMULWEVWH:
+		return 0xe921 << 15 // xvmulwev.w.h
+	case AXVMULWEVVW:
+		return 0xe922 << 15 // xvmulwev.d.w
+	case AXVMULWEVQV:
+		return 0xe923 << 15 // xvmulwev.q.d
+	case AXVMULWODHB:
+		return 0xe924 << 15 // xvmulwod.h.b
+	case AXVMULWODWH:
+		return 0xe925 << 15 // xvmulwod.w.h
+	case AXVMULWODVW:
+		return 0xe926 << 15 // xvmulwod.d.w
+	case AXVMULWODQV:
+		return 0xe927 << 15 // xvmulwod.q.d
+	case AXVMULWEVHBU:
+		return 0xe930 << 15 // xvmulwev.h.bu
+	case AXVMULWEVWHU:
+		return 0xe931 << 15 // xvmulwev.w.hu
+	case AXVMULWEVVWU:
+		return 0xe932 << 15 // xvmulwev.d.wu
+	case AXVMULWEVQVU:
+		return 0xe933 << 15 // xvmulwev.q.du
+	case AXVMULWODHBU:
+		return 0xe934 << 15 // xvmulwod.h.bu
+	case AXVMULWODWHU:
+		return 0xe935 << 15 // xvmulwod.w.hu
+	case AXVMULWODVWU:
+		return 0xe936 << 15 // xvmulwod.d.wu
+	case AXVMULWODQVU:
+		return 0xe937 << 15 // xvmulwod.q.du
+	case AXVMULWEVHBUB:
+		return 0xe940 << 15 // xvmulwev.h.bu.b
+	case AXVMULWEVWHUH:
+		return 0xe941 << 15 // xvmulwev.w.hu.h
+	case AXVMULWEVVWUW:
+		return 0xe942 << 15 // xvmulwev.d.wu.w
+	case AXVMULWEVQVUV:
+		return 0xe943 << 15 // xvmulwev.q.du.d
+	case AXVMULWODHBUB:
+		return 0xe944 << 15 // xvmulwod.h.bu.b
+	case AXVMULWODWHUH:
+		return 0xe945 << 15 // xvmulwod.w.hu.h
+	case AXVMULWODVWUW:
+		return 0xe946 << 15 // xvmulwod.d.wu.w
+	case AXVMULWODQVUV:
+		return 0xe947 << 15 // xvmulwod.q.du.d
 	case AVSLLB:
 		return 0xe1d0 << 15 // vsll.b
 	case AVSLLH: