-//===- SparcV8InstrFormats.td - SparcV8 Instr Formats ------*- tablegen -*-===//
-//
+//===-- SparcInstrFormats.td - Sparc 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.
-//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
//===----------------------------------------------------------------------===//
+class InstSP<dag outs, dag ins, string asmstr, list<dag> pattern>
+ : Instruction {
+ field bits<32> Inst;
+
+ let Namespace = "SP";
+ let Size = 4;
+
+ bits<2> op;
+ let Inst{31-30} = op; // Top two bits are the 'op' field
+
+ dag OutOperandList = outs;
+ dag InOperandList = ins;
+ let AsmString = asmstr;
+ let Pattern = pattern;
+
+ let DecoderNamespace = "Sparc";
+ field bits<32> SoftFail = 0;
+}
+
//===----------------------------------------------------------------------===//
-// Format #2 instruction classes in the SparcV8
+// Format #2 instruction classes in the Sparc
//===----------------------------------------------------------------------===//
-class F2 : InstV8 { // Format 2 instructions
+// Format 2 instructions
+class F2<dag outs, dag ins, string asmstr, list<dag> pattern>
+ : InstSP<outs, ins, asmstr, pattern> {
bits<3> op2;
bits<22> imm22;
let op = 0; // op = 0
// Specific F2 classes: SparcV8 manual, page 44
//
-class F2_1<bits<3> op2Val, dag ops, string asmstr> : F2 {
+class F2_1<bits<3> op2Val, dag outs, dag ins, string asmstr, list<dag> pattern>
+ : F2<outs, ins, asmstr, pattern> {
bits<5> rd;
- dag OperandList = ops;
- let AsmString = asmstr;
-
let op2 = op2Val;
let Inst{29-25} = rd;
}
-class F2_2<bits<4> condVal, bits<3> op2Val, string name> : F2 {
+class F2_2<bits<3> op2Val, bit annul, dag outs, dag ins, string asmstr,
+ list<dag> pattern> : F2<outs, ins, asmstr, pattern> {
bits<4> cond;
- bit annul = 0; // currently unused
-
- let cond = condVal;
let op2 = op2Val;
- let Name = name;
let Inst{29} = annul;
let Inst{28-25} = cond;
}
+class F2_3<bits<3> op2Val, bit annul, bit pred,
+ dag outs, dag ins, string asmstr, list<dag> pattern>
+ : InstSP<outs, ins, asmstr, pattern> {
+ bits<2> cc;
+ bits<4> cond;
+ bits<19> imm19;
+
+ let op = 0; // op = 0
+
+ let Inst{29} = annul;
+ let Inst{28-25} = cond;
+ let Inst{24-22} = op2Val;
+ let Inst{21-20} = cc;
+ let Inst{19} = pred;
+ let Inst{18-0} = imm19;
+}
+
+class F2_4<bits<3> cond, bit annul, bit pred,
+ dag outs, dag ins, string asmstr, list<dag> pattern>
+ : InstSP<outs, ins, asmstr, pattern> {
+ bits<16> imm16;
+ bits<5> rs1;
+
+ let op = 0; // op = 0
+
+ let Inst{29} = annul;
+ let Inst{28} = 0;
+ let Inst{27-25} = cond;
+ let Inst{24-22} = 0b011;
+ let Inst{21-20} = imm16{15-14};
+ let Inst{19} = pred;
+ let Inst{18-14} = rs1;
+ let Inst{13-0} = imm16{13-0};
+}
+
+
//===----------------------------------------------------------------------===//
-// Format #3 instruction classes in the SparcV8
+// Format #3 instruction classes in the Sparc
//===----------------------------------------------------------------------===//
-class F3 : InstV8 {
+class F3<dag outs, dag ins, string asmstr, list<dag> pattern>
+ : InstSP<outs, ins, asmstr, pattern> {
bits<5> rd;
bits<6> op3;
bits<5> rs1;
// Specific F3 classes: SparcV8 manual, page 44
//
-class F3_1<bits<2> opVal, bits<6> op3val, dag ops, string asmstr> : F3 {
- bits<8> asi = 0; // asi not currently used in SparcV8
+class F3_1_asi<bits<2> opVal, bits<6> op3val, dag outs, dag ins,
+ string asmstr, list<dag> pattern> : F3<outs, ins, asmstr, pattern> {
+ bits<8> asi;
bits<5> rs2;
- dag OperandList = ops;
- let AsmString = asmstr;
-
let op = opVal;
let op3 = op3val;
let Inst{4-0} = rs2;
}
-class F3_2<bits<2> opVal, bits<6> op3val, dag ops, string asmstr> : F3 {
+class F3_1<bits<2> opVal, bits<6> op3val, dag outs, dag ins, string asmstr,
+ list<dag> pattern> : F3_1_asi<opVal, op3val, outs, ins,
+ asmstr, pattern> {
+ let asi = 0;
+}
+
+class F3_2<bits<2> opVal, bits<6> op3val, dag outs, dag ins,
+ string asmstr, list<dag> pattern> : F3<outs, ins, asmstr, pattern> {
bits<13> simm13;
- dag OperandList = ops;
- let AsmString = asmstr;
-
let op = opVal;
let op3 = op3val;
}
// floating-point
-class F3_3<bits<2> opVal, bits<6> op3val, bits<9> opfval, dag ops,
- string asmstr> : F3 {
+class F3_3<bits<2> opVal, bits<6> op3val, bits<9> opfval, dag outs, dag ins,
+ string asmstr, list<dag> pattern> : F3<outs, ins, asmstr, pattern> {
bits<5> rs2;
- dag OperandList = ops;
- let AsmString = asmstr;
+ let op = opVal;
+ let op3 = op3val;
+
+ let Inst{13-5} = opfval; // fp opcode
+ let Inst{4-0} = rs2;
+}
+
+// floating-point unary operations.
+class F3_3u<bits<2> opVal, bits<6> op3val, bits<9> opfval, dag outs, dag ins,
+ string asmstr, list<dag> pattern> : F3<outs, ins, asmstr, pattern> {
+ bits<5> rs2;
let op = opVal;
let op3 = op3val;
+ let rs1 = 0;
let Inst{13-5} = opfval; // fp opcode
let Inst{4-0} = rs2;
}
+
+// floating-point compares.
+class F3_3c<bits<2> opVal, bits<6> op3val, bits<9> opfval, dag outs, dag ins,
+ string asmstr, list<dag> pattern> : F3<outs, ins, asmstr, pattern> {
+ bits<5> rs2;
+
+ let op = opVal;
+ let op3 = op3val;
+
+ let Inst{13-5} = opfval; // fp opcode
+ let Inst{4-0} = rs2;
+}
+
+// Shift by register rs2.
+class F3_Sr<bits<2> opVal, bits<6> op3val, bit xVal, dag outs, dag ins,
+ string asmstr, list<dag> pattern> : F3<outs, ins, asmstr, pattern> {
+ bit x = xVal; // 1 for 64-bit shifts.
+ bits<5> rs2;
+
+ let op = opVal;
+ let op3 = op3val;
+
+ let Inst{13} = 0; // i field = 0
+ let Inst{12} = x; // extended registers.
+ let Inst{4-0} = rs2;
+}
+
+// Shift by immediate.
+class F3_Si<bits<2> opVal, bits<6> op3val, bit xVal, dag outs, dag ins,
+ string asmstr, list<dag> pattern> : F3<outs, ins, asmstr, pattern> {
+ bit x = xVal; // 1 for 64-bit shifts.
+ bits<6> shcnt; // shcnt32 / shcnt64.
+
+ let op = opVal;
+ let op3 = op3val;
+
+ let Inst{13} = 1; // i field = 1
+ let Inst{12} = x; // extended registers.
+ let Inst{5-0} = shcnt;
+}
+
+// Define rr and ri shift instructions with patterns.
+multiclass F3_S<string OpcStr, bits<6> Op3Val, bit XVal, SDNode OpNode,
+ ValueType VT, RegisterClass RC> {
+ def rr : F3_Sr<2, Op3Val, XVal, (outs RC:$rd), (ins RC:$rs1, IntRegs:$rs2),
+ !strconcat(OpcStr, " $rs1, $rs2, $rd"),
+ [(set VT:$rd, (OpNode VT:$rs1, i32:$rs2))]>;
+ def ri : F3_Si<2, Op3Val, XVal, (outs RC:$rd), (ins RC:$rs1, i32imm:$shcnt),
+ !strconcat(OpcStr, " $rs1, $shcnt, $rd"),
+ [(set VT:$rd, (OpNode VT:$rs1, (i32 imm:$shcnt)))]>;
+}
+
+class F4<bits<6> op3, dag outs, dag ins, string asmstr, list<dag> pattern>
+ : InstSP<outs, ins, asmstr, pattern> {
+ bits<5> rd;
+
+ let op = 2;
+ let Inst{29-25} = rd;
+ let Inst{24-19} = op3;
+}
+
+
+class F4_1<bits<6> op3, dag outs, dag ins,
+ string asmstr, list<dag> pattern>
+ : F4<op3, outs, ins, asmstr, pattern> {
+
+ bit intcc;
+ bits<2> cc;
+ bits<4> cond;
+ bits<5> rs2;
+
+ let Inst{4-0} = rs2;
+ let Inst{12-11} = cc;
+ let Inst{13} = 0;
+ let Inst{17-14} = cond;
+ let Inst{18} = intcc;
+
+}
+
+class F4_2<bits<6> op3, dag outs, dag ins,
+ string asmstr, list<dag> pattern>
+ : F4<op3, outs, ins, asmstr, pattern> {
+ bit intcc;
+ bits<2> cc;
+ bits<4> cond;
+ bits<11> simm11;
+
+ let Inst{10-0} = simm11;
+ let Inst{12-11} = cc;
+ let Inst{13} = 1;
+ let Inst{17-14} = cond;
+ let Inst{18} = intcc;
+}
+
+class F4_3<bits<6> op3, bits<6> opf_low, dag outs, dag ins,
+ string asmstr, list<dag> pattern>
+ : F4<op3, outs, ins, asmstr, pattern> {
+ bits<4> cond;
+ bit intcc;
+ bits<2> opf_cc;
+ bits<5> rs2;
+
+ let Inst{18} = 0;
+ let Inst{17-14} = cond;
+ let Inst{13} = intcc;
+ let Inst{12-11} = opf_cc;
+ let Inst{10-5} = opf_low;
+ let Inst{4-0} = rs2;
+}
+
+class F4_4r<bits<6> op3, bits<5> opf_low, bits<3> rcond, dag outs, dag ins,
+ string asmstr, list<dag> pattern>
+ : F4<op3, outs, ins, asmstr, pattern> {
+ bits <5> rs1;
+ bits <5> rs2;
+ let Inst{18-14} = rs1;
+ let Inst{13} = 0; // IsImm
+ let Inst{12-10} = rcond;
+ let Inst{9-5} = opf_low;
+ let Inst{4-0} = rs2;
+}
+
+
+class F4_4i<bits<6> op3, bits<3> rcond, dag outs, dag ins,
+ string asmstr, list<dag> pattern>
+ : F4<op3, outs, ins, asmstr, pattern> {
+ bits<5> rs1;
+ bits<10> simm10;
+ let Inst{18-14} = rs1;
+ let Inst{13} = 1; // IsImm
+ let Inst{12-10} = rcond;
+ let Inst{9-0} = simm10;
+}
+
+
+class TRAPSP<bits<6> op3Val, bit isimm, dag outs, dag ins, string asmstr,
+ list<dag> pattern>: F3<outs, ins, asmstr, pattern> {
+
+ bits<4> cond;
+ bits<2> cc;
+
+ let op = 0b10;
+ let rd{4} = 0;
+ let rd{3-0} = cond;
+ let op3 = op3Val;
+ let Inst{13} = isimm;
+ let Inst{12-11} = cc;
+
+}
+
+class TRAPSPrr<bits<6> op3Val, dag outs, dag ins, string asmstr,
+ list<dag> pattern>: TRAPSP<op3Val, 0, outs, ins, asmstr, pattern> {
+ bits<5> rs2;
+
+ let Inst{10-5} = 0;
+ let Inst{4-0} = rs2;
+}
+class TRAPSPri<bits<6> op3Val, dag outs, dag ins, string asmstr,
+ list<dag> pattern>: TRAPSP<op3Val, 1, outs, ins, asmstr, pattern> {
+ bits<8> imm;
+
+ let Inst{10-8} = 0;
+ let Inst{7-0} = imm;
+}
+
+// Pseudo-instructions for alternate assembly syntax (never used by codegen).
+// These are aliases that require C++ handling to convert to the target
+// instruction, while InstAliases can be handled directly by tblgen.
+class AsmPseudoInst<dag outs, dag ins, string asm>
+ : InstSP<outs, ins, asm, []> {
+ let isPseudo = 1;
+}
projects / oota-llvm.git / blobdiff