: XForm_base_r3xo<opcode, xo, OL, asmstr, itin, pattern> {
}
+// DSS_Form - Form X instruction, used for altivec dss* instructions.
+class DSS_Form<bits<10> xo, dag OL, string asmstr,
+ InstrItinClass itin, list<dag> pattern>
+ : I<31, OL, asmstr, itin> {
+ bits<1> T;
+ bits<2> STRM;
+ bits<5> A;
+ bits<5> B;
+
+ let Pattern = pattern;
+
+ let Inst{6} = T;
+ let Inst{7-8} = 0;
+ let Inst{9-10} = STRM;
+ let Inst{11-15} = A;
+ let Inst{16-20} = B;
+ let Inst{21-30} = xo;
+ let Inst{31} = 0;
+}
+
// 1.7.7 XL-Form
class XLForm_1<bits<6> opcode, bits<10> xo, dag OL, string asmstr,
InstrItinClass itin>
let Inst{31} = RC;
}
+
+
// E-1 VA-Form
+
+// VAForm_1 - DACB ordering.
class VAForm_1<bits<6> xo, dag OL, string asmstr,
InstrItinClass itin, list<dag> pattern>
: I<4, OL, asmstr, itin> {
let Inst{26-31} = xo;
}
+// VAForm_1a - DABC ordering.
+class VAForm_1a<bits<6> xo, dag OL, string asmstr,
+ InstrItinClass itin, list<dag> pattern>
+ : I<4, OL, asmstr, itin> {
+ bits<5> VD;
+ bits<5> VA;
+ bits<5> VB;
+ bits<5> VC;
+
+ let Pattern = pattern;
+
+ let Inst{6-10} = VD;
+ let Inst{11-15} = VA;
+ let Inst{16-20} = VB;
+ let Inst{21-25} = VC;
+ let Inst{26-31} = xo;
+}
+
class VAForm_2<bits<6> xo, dag OL, string asmstr,
InstrItinClass itin, list<dag> pattern>
: I<4, OL, asmstr, itin> {
let Inst{21-31} = xo;
}
+class VXForm_3<bits<11> xo, dag OL, string asmstr,
+ InstrItinClass itin, list<dag> pattern>
+ : I<4, OL, asmstr, itin> {
+ bits<5> VD;
+ bits<5> IMM;
+
+ let Pattern = pattern;
+
+ let Inst{6-10} = VD;
+ let Inst{11-15} = IMM;
+ let Inst{16-20} = 0;
+ let Inst{21-31} = xo;
+}
+
+/// VXForm_4 - VX instructions with "VD,0,0" register fields, like mfvscr.
+class VXForm_4<bits<11> xo, dag OL, string asmstr,
+ InstrItinClass itin, list<dag> pattern>
+ : I<4, OL, asmstr, itin> {
+ bits<5> VD;
+
+ let Pattern = pattern;
+
+ let Inst{6-10} = VD;
+ let Inst{11-15} = 0;
+ let Inst{16-20} = 0;
+ let Inst{21-31} = xo;
+}
+
+/// VXForm_5 - VX instructions with "0,0,VB" register fields, like mtvscr.
+class VXForm_5<bits<11> xo, dag OL, string asmstr,
+ InstrItinClass itin, list<dag> pattern>
+ : I<4, OL, asmstr, itin> {
+ bits<5> VB;
+
+ let Pattern = pattern;
+
+ let Inst{6-10} = 0;
+ let Inst{11-15} = 0;
+ let Inst{16-20} = VB;
+ let Inst{21-31} = xo;
+}
+
// E-4 VXR-Form
class VXRForm_1<bits<10> xo, dag OL, string asmstr,
InstrItinClass itin, list<dag> pattern>