[GSOC] modified vdvs2vs1vm generator for sew64 reserved insn

refactored generator for sew64Only insn Co-authored-by: Yang Liu <[email protected]>
chipsalliance · Aug 8, 2024 · 9b115bb · 9b115bb
1 parent 5609d7c
commit 9b115bb
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Showing 2 changed files with 4 additions and 2 deletions.
diff --git a/generator/insn_vdvs2rs1vm.go b/generator/insn_vdvs2rs1vm.go
@@ -9,7 +9,7 @@ import (
 func (i *Insn) genCodeVdVs2Rs1Vm(pos int) []string {
 	vdWidening := strings.HasPrefix(i.Name, "vw")
 	vs2Widening := strings.HasSuffix(i.Name, ".wx")
-	sew64_insn := i.Name == "vclmul.vx" || i.Name == "vclmulh.vx"
+	sew64Only := strings.HasSuffix(i.Name, "vclmul")
 	vdSize := iff(vdWidening, 2, 1)
 	vs2Size := iff(vs2Widening, 2, 1)
 

diff --git a/generator/insn_vdvs2vs1vm.go b/generator/insn_vdvs2vs1vm.go
@@ -8,15 +8,17 @@ import (
 
 func (i *Insn) genCodeVdVs2Vs1Vm(pos int) []string {
 	float := strings.HasPrefix(i.Name, "vf") || strings.HasPrefix(i.Name, "vmf")
+	sew64_insn := i.Name == "vclmul.vv" || i.Name == "vclmulh.vv"
 	vdWidening := strings.HasPrefix(i.Name, "vw") || strings.HasPrefix(i.Name, "vfw")
 	vs2Widening := strings.HasSuffix(i.Name, ".wv")
 	vdSize := iff(vdWidening, 2, 1)
 	vs2Size := iff(vs2Widening, 2, 1)
 
 	sews := iff(float, floatSEWs, allSEWs)
 	sews = iff(vdWidening || vs2Widening, sews[:len(sews)-1], sews)
+    sews = iff(sew64_insn, []SEW{64}, sews)
 	combinations := i.combinations(
-		iff(vdWidening || vs2Widening, wideningMULs, allLMULs),
+		iff(vdWidening || vs2Widening, wideningMULs, iff(sew64_insn, []LMUL{1, 2, 4, 8}, allLMULs)),
 		sews,
 		[]bool{false, true},
 		i.vxrms(),