let Inst{31-26} = 0b011110;
}
+class MSACBranch : MSAInst {
+ let Inst{31-26} = 0b010001;
+}
+
+class MSASpecial : MSAInst {
+ let Inst{31-26} = 0b000000;
+}
+
class PseudoMSA<dag outs, dag ins, list<dag> pattern,
InstrItinClass itin = IIPseudo>:
MipsPseudo<outs, ins, pattern, itin> {
let Inst{5-0} = minor;
}
+class MSA_3R_INDEX_FMT<bits<3> major, bits<2> df, bits<6> minor>: MSAInst {
+ bits<5> rt;
+ bits<5> ws;
+ bits<5> wd;
+
+ let Inst{25-23} = major;
+ let Inst{22-21} = df;
+ let Inst{20-16} = rt;
+ let Inst{15-11} = ws;
+ let Inst{10-6} = wd;
+ let Inst{5-0} = minor;
+}
+
class MSA_ELM_FMT<bits<10> major, bits<6> minor>: MSAInst {
+ bits<5> ws;
+ bits<5> wd;
+
+ let Inst{25-16} = major;
+ let Inst{15-11} = ws;
+ let Inst{10-6} = wd;
+ let Inst{5-0} = minor;
+}
+
+class MSA_ELM_CFCMSA_FMT<bits<10> major, bits<6> minor>: MSAInst {
+ bits<5> rd;
+ bits<5> cs;
+
+ let Inst{25-16} = major;
+ let Inst{15-11} = cs;
+ let Inst{10-6} = rd;
+ let Inst{5-0} = minor;
+}
+
+class MSA_ELM_CTCMSA_FMT<bits<10> major, bits<6> minor>: MSAInst {
+ bits<5> rs;
+ bits<5> cd;
+
let Inst{25-16} = major;
+ let Inst{15-11} = rs;
+ let Inst{10-6} = cd;
let Inst{5-0} = minor;
}
}
class MSA_I10_FMT<bits<3> major, bits<2> df, bits<6> minor>: MSAInst {
+ bits<10> s10;
+ bits<5> wd;
+
let Inst{25-23} = major;
let Inst{22-21} = df;
+ let Inst{20-11} = s10;
+ let Inst{10-6} = wd;
let Inst{5-0} = minor;
}
+class MSA_MI10_FMT<bits<2> df, bits<4> minor>: MSAInst {
+ bits<21> addr;
+ bits<5> wd;
+
+ let Inst{25-16} = addr{9-0};
+ let Inst{15-11} = addr{20-16};
+ let Inst{10-6} = wd;
+ let Inst{5-2} = minor;
+ let Inst{1-0} = df;
+}
+
class MSA_VEC_FMT<bits<5> major, bits<6> minor>: MSAInst {
bits<5> wt;
bits<5> ws;
let Inst{5-0} = minor;
}
-class MSA_VECS10_FMT<bits<5> major, bits<6> minor>: MSAInst {
+class MSA_CBRANCH_FMT<bits<3> major, bits<2> df>: MSACBranch {
+ bits<16> offset;
+ bits<5> wt;
+
+ let Inst{25-23} = major;
+ let Inst{22-21} = df;
+ let Inst{20-16} = wt;
+ let Inst{15-0} = offset;
+}
+
+class MSA_CBRANCH_V_FMT<bits<5> major>: MSACBranch {
+ bits<16> offset;
+ bits<5> wt;
+
let Inst{25-21} = major;
+ let Inst{20-16} = wt;
+ let Inst{15-0} = offset;
+}
+
+class SPECIAL_LSA_FMT<bits<6> minor>: MSASpecial {
+ bits<5> rs;
+ bits<5> rt;
+ bits<5> rd;
+ bits<2> sa;
+
+ let Inst{25-21} = rs;
+ let Inst{20-16} = rt;
+ let Inst{15-11} = rd;
+ let Inst{10-8} = 0b000;
+ let Inst{7-6} = sa;
let Inst{5-0} = minor;
}