From 22f5c5ecc7434678b680c9bcc119736c31e55faf Mon Sep 17 00:00:00 2001
From: SyedHassanUlHaq <21b-029-cs@students.uit.edu>
Date: Wed, 21 Aug 2024 03:33:05 +0500
Subject: [PATCH] [GSOC] removed unnecessary allowedLMUL func for zvkg

---
 Makefrag                   |  1 -
 generator/insn_util.go     | 15 ---------------
 generator/insn_vdvs2.go    |  6 ++----
 generator/insn_vdvs2vs1.go |  7 +++----
 4 files changed, 5 insertions(+), 24 deletions(-)

diff --git a/Makefrag b/Makefrag
index 925c1fd..62347e9 100644
--- a/Makefrag
+++ b/Makefrag
@@ -416,7 +416,6 @@ tests = \
   vfwsub_wf-1 \
   vfwsub_wv-0 \
   vghsh_vv-0 \
-  vgmul_vv-0 \
   vid_v-0 \
   vid_v-1 \
   viota_m-0 \
diff --git a/generator/insn_util.go b/generator/insn_util.go
index 3821523..4d2e426 100644
--- a/generator/insn_util.go
+++ b/generator/insn_util.go
@@ -81,21 +81,6 @@ func (l LMUL) String() string {
 	return fmt.Sprintf("m%d", int(l))
 }
 
-func ZvkgAllowedLMULs(vlen VLEN) []LMUL {
-	switch vlen {
-	case 64:
-		return []LMUL{2, 4, 8}
-	case 128:
-		return []LMUL{1, 2, 4, 8}
-	case 256:
-		return []LMUL{LMUL(1) / 2, 1, 2, 4, 8}
-	case 512:
-		return []LMUL{LMUL(1) / 4, LMUL(1) / 2, 1, 2, 4, 8}
-	default:
-		return allLMULs
-	}
-}
-
 type VLEN int
 
 func (v VLEN) Valid() bool {
diff --git a/generator/insn_vdvs2.go b/generator/insn_vdvs2.go
index b110383..b3da463 100644
--- a/generator/insn_vdvs2.go
+++ b/generator/insn_vdvs2.go
@@ -10,7 +10,7 @@ import (
 
 func (i *Insn) genCodeVdVs2(pos int) []string {
 	zvkg_insn := strings.HasPrefix(i.Name, "vg")
-	sew32_only := iff(zvkg_insn, []SEW{32}, allSEWs)
+	sews := iff(zvkg_insn, []SEW{32}, allSEWs)
 
 	var nr int
 	var err error
@@ -22,9 +22,7 @@ func (i *Insn) genCodeVdVs2(pos int) []string {
 		}
 	}
 
-	vlen := i.Option.VLEN
-
-	combinations := i.combinations(iff(zvkg_insn, ZvkgAllowedLMULs(vlen), []LMUL{LMUL(nr)}), iff(zvkg_insn, sew32_only, allSEWs), []bool{false}, i.vxrms())
+	combinations := i.combinations([]LMUL{LMUL(nr)}, sews, []bool{false}, i.vxrms())
 	res := make([]string, 0, len(combinations))
 
 	for _, c := range combinations[pos:] {
diff --git a/generator/insn_vdvs2vs1.go b/generator/insn_vdvs2vs1.go
index 6f9c7ca..0ba8be6 100644
--- a/generator/insn_vdvs2vs1.go
+++ b/generator/insn_vdvs2vs1.go
@@ -7,11 +7,10 @@ import (
 
 func (i *Insn) genCodeVdVs2Vs1(pos int) []string {
 	zvkg_insn := strings.HasPrefix(i.Name, "vg")
-	sew32_only := iff(zvkg_insn, []SEW{32}, allSEWs)
-	vlen := i.Option.VLEN
+	sews := iff(zvkg_insn, []SEW{32}, allSEWs)
 	combinations := i.combinations(
-		iff(zvkg_insn, ZvkgAllowedLMULs(vlen), allLMULs),
-		iff(zvkg_insn, sew32_only, allSEWs),
+		allLMULs,
+		sews,
 		[]bool{false},
 		i.vxrms(),
 	)