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insn_vs3rs1mvs2vm.go
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insn_vs3rs1mvs2vm.go
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package generator
import (
"fmt"
"math"
"strings"
)
func (i *Insn) genCodeVs3Rs1mVs2Vm(pos int) []string {
nfields := getNfieldsRoundedUp(i.Name)
combinations := i.combinations(
nfieldsLMULs(nfields),
[]SEW{getEEW(i.Name)},
[]bool{false, true},
i.vxrms(),
)
res := make([]string, 0, len(combinations))
for _, c := range combinations[pos:] {
builder := strings.Builder{}
var sew SEW = 8 // sew is data width, c.SEW is offset width
for ; sew <= SEW(i.Option.XLEN); sew <<= 1 {
if int(sew) > int(float64(i.Option.XLEN)*float64(c.LMUL)) {
continue
}
emul := (float64(c.SEW) / float64(sew)) * float64(c.LMUL)
if emul > 8 || emul < 1./8 {
continue
}
emul = math.Max(emul, 1)
builder.WriteString(c.initialize())
builder.WriteString(i.gWriteRandomData(LMUL(1)))
builder.WriteString(i.gLoadDataIntoRegisterGroup(0, LMUL(1), SEW(32)))
lmul1 := LMUL(math.Max(float64(c.LMUL1)*float64(nfields), 1))
vs3 := int(lmul1)
vs1 := 2 * int(math.Max(emul, float64(int(c.LMUL1)*nfields)))
builder.WriteString(i.gWriteIntegerTestData(lmul1, sew, 0))
builder.WriteString(i.gLoadDataIntoRegisterGroup(vs3, lmul1, sew))
builder.WriteString(i.gWriteIndexData(lmul1, LMUL(emul), c.Vl, sew, c.SEW))
builder.WriteString(i.gLoadDataIntoRegisterGroup(vs1, LMUL(emul), c.SEW))
builder.WriteString(i.gResultDataAddr())
builder.WriteString("# -------------- TEST BEGIN --------------\n")
builder.WriteString(i.gVsetvli(c.Vl, sew, c.LMUL))
builder.WriteString(fmt.Sprintf("%s v%d, (a0), v%d%s\n", i.Name, vs3, vs1, v0t(c.Mask)))
builder.WriteString("# -------------- TEST END --------------\n")
builder.WriteString(i.gLoadDataIntoRegisterGroup(vs3, lmul1, sew))
builder.WriteString(i.gMagicInsn(vs3, lmul1))
}
res = append(res, builder.String())
}
return res
}