================
@@ -99,5 +146,146 @@ let hasSideEffects = 0, mayLoad = 0, mayStore = 0 in {
!if(EarlyClobber, "@earlyclobber $vd_wb, $vd = $vd_wb", "$vd =
$vd_wb");
let UseNamedOperandTable = true;
}
-}
+ class SMTVMADotII<bits<2> sign, string opcodestr, bit EarlyClobber = 0>
+ : RVInst<(outs VRM2:$vd_wb),
+ (ins VRM2:$vd, VR:$vs1, VR:$vs2, SMT_INT:$vtype), opcodestr,
+ "$vd, $vs1, $vs2$vtype", [], InstFormatR> {
+ bits<5> vd;
+ bits<5> vs1;
+ bits<5> vs2;
+ bits<2> vtype;
+
+ let Inst{31} = 0b1;
+ let Inst{30-29} = vtype;
+ let Inst{28-25} = 0b0001;
+ let Inst{24-20} = vs2;
+ let Inst{19-15} = vs1;
+ let Inst{14} = 0b0;
+ let Inst{13-12} = sign;
+ let Inst{11-7} = vd;
+ let Inst{6-0} = OPC_CUSTOM_1.Value;
+ let Constraints =
+ !if(EarlyClobber, "@earlyclobber $vd_wb, $vd = $vd_wb", "$vd =
$vd_wb");
+ let UseNamedOperandTable = true;
+ }
+
+ // Currently only i8 element type is supported for sliding-window dot-product
+ // instructions
+ class SMTVMADotSlideII<bits<2> slide, bits<2> sign, string opcodestr,
+ bit EarlyClobber = 0>
+ : RVInst<(outs VRM2:$vd_wb),
+ (ins VRM2:$vd, VRM2:$vs1, VR:$vs2, SMT_I8:$vtype), opcodestr,
+ "$vd, $vs1, $vs2$vtype", [], InstFormatR> {
+ bits<5> vd;
+ bits<5> vs1;
+ bits<5> vs2;
+ bits<2> vtype;
+
+ let Inst{31} = 1;
+ let Inst{30-29} = vtype;
+ let Inst{28-25} = 0b0011;
+ let Inst{24-20} = vs2;
+ let Inst{19-16} = vs1{4-1};
+ let Inst{15-14} = slide;
+ let Inst{13-12} = sign;
+ let Inst{11-7} = vd;
+ let Inst{6-0} = OPC_CUSTOM_1.Value;
+ let Constraints =
+ !if(EarlyClobber, "@earlyclobber $vd_wb, $vd = $vd_wb", "$vd =
$vd_wb");
+ let UseNamedOperandTable = true;
+ }
+
+ class SMTVMADOTSP<bits<2> sign, string opcodestr, string argstr,
+ bit EarlyClobber = 0>
+ : RVInst<(outs VRM2:$vd_wb),
+ (ins VRM2:$vd, VRM2:$vs1, VR:$vs2, VR:$vmask, uimm2:$imm2,
SMT_INT:$vtype),
----------------
LiqinWeng wrote:
Yes， to facilitate the processing of certain information during the
pseudo-instruction phase
https://github.com/llvm/llvm-project/pull/202533
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