It's not necessary to do rounding for alloca operations when the requested
alignment is equal to the stack alignment.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40004 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/PowerPC/PPCInstrFormats.td b/lib/Target/PowerPC/PPCInstrFormats.td
new file mode 100644
index 0000000..6a4a59b
--- /dev/null
+++ b/lib/Target/PowerPC/PPCInstrFormats.td
@@ -0,0 +1,800 @@
+//===- PowerPCInstrFormats.td - PowerPC Instruction Formats --*- tablegen -*-=//
+//
+// The LLVM Compiler Infrastructure
+//
+// This file was developed by the LLVM research group and is distributed under
+// the University of Illinois Open Source License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+//===----------------------------------------------------------------------===//
+//
+// PowerPC instruction formats
+
+class I<bits<6> opcode, dag OL, string asmstr, InstrItinClass itin>
+ : Instruction {
+ field bits<32> Inst;
+
+ bit PPC64 = 0; // Default value, override with isPPC64
+
+ let Name = "";
+ let Namespace = "PPC";
+ let Inst{0-5} = opcode;
+ let OperandList = OL;
+ let AsmString = asmstr;
+ let Itinerary = itin;
+
+ /// These fields correspond to the fields in PPCInstrInfo.h. Any changes to
+ /// these must be reflected there! See comments there for what these are.
+ bits<1> PPC970_First = 0;
+ bits<1> PPC970_Single = 0;
+ bits<1> PPC970_Cracked = 0;
+ bits<3> PPC970_Unit = 0;
+}
+
+class PPC970_DGroup_First { bits<1> PPC970_First = 1; }
+class PPC970_DGroup_Single { bits<1> PPC970_Single = 1; }
+class PPC970_DGroup_Cracked { bits<1> PPC970_Cracked = 1; }
+class PPC970_MicroCode;
+
+class PPC970_Unit_Pseudo { bits<3> PPC970_Unit = 0; }
+class PPC970_Unit_FXU { bits<3> PPC970_Unit = 1; }
+class PPC970_Unit_LSU { bits<3> PPC970_Unit = 2; }
+class PPC970_Unit_FPU { bits<3> PPC970_Unit = 3; }
+class PPC970_Unit_CRU { bits<3> PPC970_Unit = 4; }
+class PPC970_Unit_VALU { bits<3> PPC970_Unit = 5; }
+class PPC970_Unit_VPERM { bits<3> PPC970_Unit = 6; }
+class PPC970_Unit_BRU { bits<3> PPC970_Unit = 7; }
+
+
+// 1.7.1 I-Form
+class IForm<bits<6> opcode, bit aa, bit lk, dag OL, string asmstr,
+ InstrItinClass itin, list<dag> pattern>
+ : I<opcode, OL, asmstr, itin> {
+ let Pattern = pattern;
+ bits<24> LI;
+
+ let Inst{6-29} = LI;
+ let Inst{30} = aa;
+ let Inst{31} = lk;
+}
+
+// 1.7.2 B-Form
+class BForm<bits<6> opcode, bit aa, bit lk, dag OL, string asmstr>
+ : I<opcode, OL, asmstr, BrB> {
+ bits<7> BIBO; // 2 bits of BI and 5 bits of BO.
+ bits<3> CR;
+ bits<14> BD;
+
+ bits<5> BI;
+ let BI{0-1} = BIBO{5-6};
+ let BI{2-4} = CR{0-2};
+
+ let Inst{6-10} = BIBO{4-0};
+ let Inst{11-15} = BI;
+ let Inst{16-29} = BD;
+ let Inst{30} = aa;
+ let Inst{31} = lk;
+}
+
+
+// 1.7.4 D-Form
+class DForm_base<bits<6> opcode, dag OL, string asmstr, InstrItinClass itin,
+ list<dag> pattern>
+ : I<opcode, OL, asmstr, itin> {
+ bits<5> A;
+ bits<5> B;
+ bits<16> C;
+
+ let Pattern = pattern;
+
+ let Inst{6-10} = A;
+ let Inst{11-15} = B;
+ let Inst{16-31} = C;
+}
+
+class DForm_1<bits<6> opcode, dag OL, string asmstr, InstrItinClass itin,
+ list<dag> pattern>
+ : I<opcode, OL, asmstr, itin> {
+ bits<5> A;
+ bits<16> C;
+ bits<5> B;
+
+ let Pattern = pattern;
+
+ let Inst{6-10} = A;
+ let Inst{11-15} = B;
+ let Inst{16-31} = C;
+}
+
+class DForm_2<bits<6> opcode, dag OL, string asmstr, InstrItinClass itin,
+ list<dag> pattern>
+ : DForm_base<opcode, OL, asmstr, itin, pattern>;
+
+class DForm_2_r0<bits<6> opcode, dag OL, string asmstr, InstrItinClass itin,
+ list<dag> pattern>
+ : I<opcode, OL, asmstr, itin> {
+ bits<5> A;
+ bits<16> B;
+
+ let Pattern = pattern;
+
+ let Inst{6-10} = A;
+ let Inst{11-15} = 0;
+ let Inst{16-31} = B;
+}
+
+class DForm_4<bits<6> opcode, dag OL, string asmstr, InstrItinClass itin,
+ list<dag> pattern>
+ : I<opcode, OL, asmstr, itin> {
+ bits<5> B;
+ bits<5> A;
+ bits<16> C;
+
+ let Pattern = pattern;
+
+ let Inst{6-10} = A;
+ let Inst{11-15} = B;
+ let Inst{16-31} = C;
+}
+
+class DForm_4_zero<bits<6> opcode, dag OL, string asmstr, InstrItinClass itin,
+ list<dag> pattern>
+ : DForm_1<opcode, OL, asmstr, itin, pattern> {
+ let A = 0;
+ let B = 0;
+ let C = 0;
+}
+
+class DForm_5<bits<6> opcode, dag OL, string asmstr, InstrItinClass itin>
+ : I<opcode, OL, asmstr, itin> {
+ bits<3> BF;
+ bits<1> L;
+ bits<5> RA;
+ bits<16> I;
+
+ let Inst{6-8} = BF;
+ let Inst{9} = 0;
+ let Inst{10} = L;
+ let Inst{11-15} = RA;
+ let Inst{16-31} = I;
+}
+
+class DForm_5_ext<bits<6> opcode, dag OL, string asmstr, InstrItinClass itin>
+ : DForm_5<opcode, OL, asmstr, itin> {
+ let L = PPC64;
+}
+
+class DForm_6<bits<6> opcode, dag OL, string asmstr, InstrItinClass itin>
+ : DForm_5<opcode, OL, asmstr, itin>;
+
+class DForm_6_ext<bits<6> opcode, dag OL, string asmstr, InstrItinClass itin>
+ : DForm_6<opcode, OL, asmstr, itin> {
+ let L = PPC64;
+}
+
+
+// 1.7.5 DS-Form
+class DSForm_1<bits<6> opcode, bits<2> xo, dag OL, string asmstr,
+ InstrItinClass itin, list<dag> pattern>
+ : I<opcode, OL, asmstr, itin> {
+ bits<5> RST;
+ bits<14> DS;
+ bits<5> RA;
+
+ let Pattern = pattern;
+
+ let Inst{6-10} = RST;
+ let Inst{11-15} = RA;
+ let Inst{16-29} = DS;
+ let Inst{30-31} = xo;
+}
+
+// 1.7.6 X-Form
+class XForm_base_r3xo<bits<6> opcode, bits<10> xo, dag OL, string asmstr,
+ InstrItinClass itin, list<dag> pattern>
+ : I<opcode, OL, asmstr, itin> {
+ bits<5> RST;
+ bits<5> A;
+ bits<5> B;
+
+ let Pattern = pattern;
+
+ bit RC = 0; // set by isDOT
+
+ let Inst{6-10} = RST;
+ let Inst{11-15} = A;
+ let Inst{16-20} = B;
+ let Inst{21-30} = xo;
+ let Inst{31} = RC;
+}
+
+// This is the same as XForm_base_r3xo, but the first two operands are swapped
+// when code is emitted.
+class XForm_base_r3xo_swapped
+ <bits<6> opcode, bits<10> xo, dag OL, string asmstr,
+ InstrItinClass itin>
+ : I<opcode, OL, asmstr, itin> {
+ bits<5> A;
+ bits<5> RST;
+ bits<5> B;
+
+ bit RC = 0; // set by isDOT
+
+ let Inst{6-10} = RST;
+ let Inst{11-15} = A;
+ let Inst{16-20} = B;
+ let Inst{21-30} = xo;
+ let Inst{31} = RC;
+}
+
+
+class XForm_1<bits<6> opcode, bits<10> xo, dag OL, string asmstr,
+ InstrItinClass itin, list<dag> pattern>
+ : XForm_base_r3xo<opcode, xo, OL, asmstr, itin, pattern>;
+
+class XForm_6<bits<6> opcode, bits<10> xo, dag OL, string asmstr,
+ InstrItinClass itin, list<dag> pattern>
+ : XForm_base_r3xo_swapped<opcode, xo, OL, asmstr, itin> {
+ let Pattern = pattern;
+}
+
+class XForm_8<bits<6> opcode, bits<10> xo, dag OL, string asmstr,
+ InstrItinClass itin, list<dag> pattern>
+ : XForm_base_r3xo<opcode, xo, OL, asmstr, itin, pattern>;
+
+class XForm_10<bits<6> opcode, bits<10> xo, dag OL, string asmstr,
+ InstrItinClass itin, list<dag> pattern>
+ : XForm_base_r3xo_swapped<opcode, xo, OL, asmstr, itin> {
+ let Pattern = pattern;
+}
+
+class XForm_11<bits<6> opcode, bits<10> xo, dag OL, string asmstr,
+ InstrItinClass itin, list<dag> pattern>
+ : XForm_base_r3xo_swapped<opcode, xo, OL, asmstr, itin> {
+ let B = 0;
+ let Pattern = pattern;
+}
+
+class XForm_16<bits<6> opcode, bits<10> xo, dag OL, string asmstr,
+ InstrItinClass itin>
+ : I<opcode, OL, asmstr, itin> {
+ bits<3> BF;
+ bits<1> L;
+ bits<5> RA;
+ bits<5> RB;
+
+ let Inst{6-8} = BF;
+ let Inst{9} = 0;
+ let Inst{10} = L;
+ let Inst{11-15} = RA;
+ let Inst{16-20} = RB;
+ let Inst{21-30} = xo;
+ let Inst{31} = 0;
+}
+
+class XForm_16_ext<bits<6> opcode, bits<10> xo, dag OL, string asmstr,
+ InstrItinClass itin>
+ : XForm_16<opcode, xo, OL, asmstr, itin> {
+ let L = PPC64;
+}
+
+class XForm_17<bits<6> opcode, bits<10> xo, dag OL, string asmstr,
+ InstrItinClass itin>
+ : I<opcode, OL, asmstr, itin> {
+ bits<3> BF;
+ bits<5> FRA;
+ bits<5> FRB;
+
+ let Inst{6-8} = BF;
+ let Inst{9-10} = 0;
+ let Inst{11-15} = FRA;
+ let Inst{16-20} = FRB;
+ let Inst{21-30} = xo;
+ let Inst{31} = 0;
+}
+
+class XForm_25<bits<6> opcode, bits<10> xo, dag OL, string asmstr,
+ InstrItinClass itin, list<dag> pattern>
+ : XForm_base_r3xo<opcode, xo, OL, asmstr, itin, pattern> {
+}
+
+class XForm_26<bits<6> opcode, bits<10> xo, dag OL, string asmstr,
+ InstrItinClass itin, list<dag> pattern>
+ : XForm_base_r3xo<opcode, xo, OL, asmstr, itin, pattern> {
+ let A = 0;
+}
+
+class XForm_28<bits<6> opcode, bits<10> xo, dag OL, string asmstr,
+ InstrItinClass itin, list<dag> pattern>
+ : XForm_base_r3xo<opcode, xo, OL, asmstr, itin, pattern> {
+}
+
+// DCB_Form - Form X instruction, used for dcb* instructions.
+class DCB_Form<bits<10> xo, bits<5> immfield, dag OL, string asmstr,
+ InstrItinClass itin, list<dag> pattern>
+ : I<31, OL, asmstr, itin> {
+ bits<5> A;
+ bits<5> B;
+
+ let Pattern = pattern;
+
+ let Inst{6-10} = immfield;
+ let Inst{11-15} = A;
+ let Inst{16-20} = B;
+ let Inst{21-30} = xo;
+ let Inst{31} = 0;
+}
+
+
+// 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, list<dag> pattern>
+ : I<opcode, OL, asmstr, itin> {
+ bits<5> CRD;
+ bits<5> CRA;
+ bits<5> CRB;
+
+ let Pattern = pattern;
+
+ let Inst{6-10} = CRD;
+ let Inst{11-15} = CRA;
+ let Inst{16-20} = CRB;
+ let Inst{21-30} = xo;
+ let Inst{31} = 0;
+}
+
+class XLForm_1_ext<bits<6> opcode, bits<10> xo, dag OL, string asmstr,
+ InstrItinClass itin, list<dag> pattern>
+ : I<opcode, OL, asmstr, itin> {
+ bits<5> CRD;
+
+ let Pattern = pattern;
+
+ let Inst{6-10} = CRD;
+ let Inst{11-15} = CRD;
+ let Inst{16-20} = CRD;
+ let Inst{21-30} = xo;
+ let Inst{31} = 0;
+}
+
+class XLForm_2<bits<6> opcode, bits<10> xo, bit lk, dag OL, string asmstr,
+ InstrItinClass itin, list<dag> pattern>
+ : I<opcode, OL, asmstr, itin> {
+ bits<5> BO;
+ bits<5> BI;
+ bits<2> BH;
+
+ let Pattern = pattern;
+
+ let Inst{6-10} = BO;
+ let Inst{11-15} = BI;
+ let Inst{16-18} = 0;
+ let Inst{19-20} = BH;
+ let Inst{21-30} = xo;
+ let Inst{31} = lk;
+}
+
+class XLForm_2_br<bits<6> opcode, bits<10> xo, bit lk,
+ dag OL, string asmstr, InstrItinClass itin, list<dag> pattern>
+ : XLForm_2<opcode, xo, lk, OL, asmstr, itin, pattern> {
+ bits<7> BIBO; // 2 bits of BI and 5 bits of BO.
+ bits<3> CR;
+
+ let BO = BIBO{2-6};
+ let BI{0-1} = BIBO{0-1};
+ let BI{2-4} = CR;
+ let BH = 0;
+}
+
+
+class XLForm_2_ext<bits<6> opcode, bits<10> xo, bits<5> bo, bits<5> bi, bit lk,
+ dag OL, string asmstr, InstrItinClass itin, list<dag> pattern>
+ : XLForm_2<opcode, xo, lk, OL, asmstr, itin, pattern> {
+ let BO = bo;
+ let BI = bi;
+ let BH = 0;
+}
+
+class XLForm_3<bits<6> opcode, bits<10> xo, dag OL, string asmstr,
+ InstrItinClass itin>
+ : I<opcode, OL, asmstr, itin> {
+ bits<3> BF;
+ bits<3> BFA;
+
+ let Inst{6-8} = BF;
+ let Inst{9-10} = 0;
+ let Inst{11-13} = BFA;
+ let Inst{14-15} = 0;
+ let Inst{16-20} = 0;
+ let Inst{21-30} = xo;
+ let Inst{31} = 0;
+}
+
+// 1.7.8 XFX-Form
+class XFXForm_1<bits<6> opcode, bits<10> xo, dag OL, string asmstr,
+ InstrItinClass itin>
+ : I<opcode, OL, asmstr, itin> {
+ bits<5> RT;
+ bits<10> SPR;
+
+ let Inst{6-10} = RT;
+ let Inst{11} = SPR{4};
+ let Inst{12} = SPR{3};
+ let Inst{13} = SPR{2};
+ let Inst{14} = SPR{1};
+ let Inst{15} = SPR{0};
+ let Inst{16} = SPR{9};
+ let Inst{17} = SPR{8};
+ let Inst{18} = SPR{7};
+ let Inst{19} = SPR{6};
+ let Inst{20} = SPR{5};
+ let Inst{21-30} = xo;
+ let Inst{31} = 0;
+}
+
+class XFXForm_1_ext<bits<6> opcode, bits<10> xo, bits<10> spr,
+ dag OL, string asmstr, InstrItinClass itin>
+ : XFXForm_1<opcode, xo, OL, asmstr, itin> {
+ let SPR = spr;
+}
+
+class XFXForm_3<bits<6> opcode, bits<10> xo, dag OL, string asmstr,
+ InstrItinClass itin>
+ : I<opcode, OL, asmstr, itin> {
+ bits<5> RT;
+
+ let Inst{6-10} = RT;
+ let Inst{11-20} = 0;
+ let Inst{21-30} = xo;
+ let Inst{31} = 0;
+}
+
+class XFXForm_5<bits<6> opcode, bits<10> xo, dag OL, string asmstr,
+ InstrItinClass itin>
+ : I<opcode, OL, asmstr, itin> {
+ bits<8> FXM;
+ bits<5> ST;
+
+ let Inst{6-10} = ST;
+ let Inst{11} = 0;
+ let Inst{12-19} = FXM;
+ let Inst{20} = 0;
+ let Inst{21-30} = xo;
+ let Inst{31} = 0;
+}
+
+class XFXForm_5a<bits<6> opcode, bits<10> xo, dag OL, string asmstr,
+ InstrItinClass itin>
+ : I<opcode, OL, asmstr, itin> {
+ bits<5> ST;
+ bits<8> FXM;
+
+ let Inst{6-10} = ST;
+ let Inst{11} = 1;
+ let Inst{12-19} = FXM;
+ let Inst{20} = 0;
+ let Inst{21-30} = xo;
+ let Inst{31} = 0;
+}
+
+class XFXForm_7<bits<6> opcode, bits<10> xo, dag OL, string asmstr,
+ InstrItinClass itin>
+ : XFXForm_1<opcode, xo, OL, asmstr, itin>;
+
+class XFXForm_7_ext<bits<6> opcode, bits<10> xo, bits<10> spr,
+ dag OL, string asmstr, InstrItinClass itin>
+ : XFXForm_7<opcode, xo, OL, asmstr, itin> {
+ let SPR = spr;
+}
+
+// 1.7.10 XS-Form - SRADI.
+class XSForm_1<bits<6> opcode, bits<9> xo, dag OL, string asmstr,
+ InstrItinClass itin, list<dag> pattern>
+ : I<opcode, OL, asmstr, itin> {
+ bits<5> A;
+ bits<5> RS;
+ bits<6> SH;
+
+ bit RC = 0; // set by isDOT
+ let Pattern = pattern;
+
+ let Inst{6-10} = RS;
+ let Inst{11-15} = A;
+ let Inst{16-20} = SH{4,3,2,1,0};
+ let Inst{21-29} = xo;
+ let Inst{30} = SH{5};
+ let Inst{31} = RC;
+}
+
+// 1.7.11 XO-Form
+class XOForm_1<bits<6> opcode, bits<9> xo, bit oe, dag OL, string asmstr,
+ InstrItinClass itin, list<dag> pattern>
+ : I<opcode, OL, asmstr, itin> {
+ bits<5> RT;
+ bits<5> RA;
+ bits<5> RB;
+
+ let Pattern = pattern;
+
+ bit RC = 0; // set by isDOT
+
+ let Inst{6-10} = RT;
+ let Inst{11-15} = RA;
+ let Inst{16-20} = RB;
+ let Inst{21} = oe;
+ let Inst{22-30} = xo;
+ let Inst{31} = RC;
+}
+
+class XOForm_3<bits<6> opcode, bits<9> xo, bit oe,
+ dag OL, string asmstr, InstrItinClass itin, list<dag> pattern>
+ : XOForm_1<opcode, xo, oe, OL, asmstr, itin, pattern> {
+ let RB = 0;
+}
+
+// 1.7.12 A-Form
+class AForm_1<bits<6> opcode, bits<5> xo, dag OL, string asmstr,
+ InstrItinClass itin, list<dag> pattern>
+ : I<opcode, OL, asmstr, itin> {
+ bits<5> FRT;
+ bits<5> FRA;
+ bits<5> FRC;
+ bits<5> FRB;
+
+ let Pattern = pattern;
+
+ bit RC = 0; // set by isDOT
+
+ let Inst{6-10} = FRT;
+ let Inst{11-15} = FRA;
+ let Inst{16-20} = FRB;
+ let Inst{21-25} = FRC;
+ let Inst{26-30} = xo;
+ let Inst{31} = RC;
+}
+
+class AForm_2<bits<6> opcode, bits<5> xo, dag OL, string asmstr,
+ InstrItinClass itin, list<dag> pattern>
+ : AForm_1<opcode, xo, OL, asmstr, itin, pattern> {
+ let FRC = 0;
+}
+
+class AForm_3<bits<6> opcode, bits<5> xo, dag OL, string asmstr,
+ InstrItinClass itin, list<dag> pattern>
+ : AForm_1<opcode, xo, OL, asmstr, itin, pattern> {
+ let FRB = 0;
+}
+
+// 1.7.13 M-Form
+class MForm_1<bits<6> opcode, dag OL, string asmstr,
+ InstrItinClass itin, list<dag> pattern>
+ : I<opcode, OL, asmstr, itin> {
+ bits<5> RA;
+ bits<5> RS;
+ bits<5> RB;
+ bits<5> MB;
+ bits<5> ME;
+
+ let Pattern = pattern;
+
+ bit RC = 0; // set by isDOT
+
+ let Inst{6-10} = RS;
+ let Inst{11-15} = RA;
+ let Inst{16-20} = RB;
+ let Inst{21-25} = MB;
+ let Inst{26-30} = ME;
+ let Inst{31} = RC;
+}
+
+class MForm_2<bits<6> opcode, dag OL, string asmstr,
+ InstrItinClass itin, list<dag> pattern>
+ : MForm_1<opcode, OL, asmstr, itin, pattern> {
+}
+
+// 1.7.14 MD-Form
+class MDForm_1<bits<6> opcode, bits<3> xo, dag OL, string asmstr,
+ InstrItinClass itin, list<dag> pattern>
+ : I<opcode, OL, asmstr, itin> {
+ bits<5> RA;
+ bits<5> RS;
+ bits<6> SH;
+ bits<6> MBE;
+
+ let Pattern = pattern;
+
+ bit RC = 0; // set by isDOT
+
+ let Inst{6-10} = RS;
+ let Inst{11-15} = RA;
+ let Inst{16-20} = SH{4,3,2,1,0};
+ let Inst{21-26} = MBE{4,3,2,1,0,5};
+ let Inst{27-29} = xo;
+ let Inst{30} = SH{5};
+ 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> {
+ bits<5> VD;
+ bits<5> VA;
+ bits<5> VC;
+ bits<5> VB;
+
+ 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;
+}
+
+// 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> {
+ bits<5> VD;
+ bits<5> VA;
+ bits<5> VB;
+ bits<4> SH;
+
+ let Pattern = pattern;
+
+ let Inst{6-10} = VD;
+ let Inst{11-15} = VA;
+ let Inst{16-20} = VB;
+ let Inst{21} = 0;
+ let Inst{22-25} = SH;
+ let Inst{26-31} = xo;
+}
+
+// E-2 VX-Form
+class VXForm_1<bits<11> xo, dag OL, string asmstr,
+ InstrItinClass itin, list<dag> pattern>
+ : I<4, OL, asmstr, itin> {
+ bits<5> VD;
+ bits<5> VA;
+ bits<5> VB;
+
+ let Pattern = pattern;
+
+ let Inst{6-10} = VD;
+ let Inst{11-15} = VA;
+ let Inst{16-20} = VB;
+ let Inst{21-31} = xo;
+}
+
+class VXForm_setzero<bits<11> xo, dag OL, string asmstr,
+ InstrItinClass itin, list<dag> pattern>
+ : VXForm_1<xo, OL, asmstr, itin, pattern> {
+ let VA = VD;
+ let VB = VD;
+}
+
+
+class VXForm_2<bits<11> xo, dag OL, string asmstr,
+ InstrItinClass itin, list<dag> pattern>
+ : I<4, OL, asmstr, itin> {
+ bits<5> VD;
+ bits<5> VB;
+
+ let Pattern = pattern;
+
+ let Inst{6-10} = VD;
+ let Inst{11-15} = 0;
+ let Inst{16-20} = VB;
+ 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>
+ : I<4, OL, asmstr, itin> {
+ bits<5> VD;
+ bits<5> VA;
+ bits<5> VB;
+ bit RC = 0;
+
+ let Pattern = pattern;
+
+ let Inst{6-10} = VD;
+ let Inst{11-15} = VA;
+ let Inst{16-20} = VB;
+ let Inst{21} = RC;
+ let Inst{22-31} = xo;
+}
+
+//===----------------------------------------------------------------------===//
+class Pseudo<dag OL, string asmstr, list<dag> pattern>
+ : I<0, OL, asmstr, NoItinerary> {
+ let PPC64 = 0;
+ let Pattern = pattern;
+ let Inst{31-0} = 0;
+}