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//==- HexagonInstrFormats.td - Hexagon Instruction Formats --*- tablegen -*-==//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
class InstHexagon<dag outs, dag ins, string asmstr, list<dag> pattern,
string cstr,
InstrItinClass itin> : Instruction {
field bits<32> Inst;
let Namespace = "Hexagon";
/* Commented out for Hexagon
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 Constraints = cstr;
let Itinerary = itin;
}
//----------------------------------------------------------------------------//
// Intruction Classes Definitions +
//----------------------------------------------------------------------------//
// LD Instruction Class in V2/V3/V4.
// Definition of the instruction class NOT CHANGED.
class LDInst<dag outs, dag ins, string asmstr, list<dag> pattern>
: InstHexagon<outs, ins, asmstr, pattern, "", LD> {
bits<5> rd;
bits<5> rs;
bits<13> imm13;
}
// LD Instruction Class in V2/V3/V4.
// Definition of the instruction class NOT CHANGED.
class LDInstPost<dag outs, dag ins, string asmstr, list<dag> pattern,
string cstr>
: InstHexagon<outs, ins, asmstr, pattern, cstr, LD> {
bits<5> rd;
bits<5> rs;
bits<5> rt;
bits<13> imm13;
}
// ST Instruction Class in V2/V3 can take SLOT0 only.
// ST Instruction Class in V4 can take SLOT0 & SLOT1.
// Definition of the instruction class CHANGED from V2/V3 to V4.
class STInst<dag outs, dag ins, string asmstr, list<dag> pattern>
: InstHexagon<outs, ins, asmstr, pattern, "", ST> {
bits<5> rd;
bits<5> rs;
bits<13> imm13;
}
// ST Instruction Class in V2/V3 can take SLOT0 only.
// ST Instruction Class in V4 can take SLOT0 & SLOT1.
// Definition of the instruction class CHANGED from V2/V3 to V4.
class STInstPost<dag outs, dag ins, string asmstr, list<dag> pattern,
string cstr>
: InstHexagon<outs, ins, asmstr, pattern, cstr, ST> {
bits<5> rd;
bits<5> rs;
bits<5> rt;
bits<13> imm13;
}
// ALU32 Instruction Class in V2/V3/V4.
// Definition of the instruction class NOT CHANGED.
class ALU32Type<dag outs, dag ins, string asmstr, list<dag> pattern>
: InstHexagon<outs, ins, asmstr, pattern, "", ALU32> {
bits<5> rd;
bits<5> rs;
bits<5> rt;
bits<16> imm16;
bits<16> imm16_2;
}
// ALU64 Instruction Class in V2/V3.
// XTYPE Instruction Class in V4.
// Definition of the instruction class NOT CHANGED.
// Name of the Instruction Class changed from ALU64 to XTYPE from V2/V3 to V4.
class ALU64Type<dag outs, dag ins, string asmstr, list<dag> pattern>
: InstHexagon<outs, ins, asmstr, pattern, "", ALU64> {
bits<5> rd;
bits<5> rs;
bits<5> rt;
bits<16> imm16;
bits<16> imm16_2;
}
// M Instruction Class in V2/V3.
// XTYPE Instruction Class in V4.
// Definition of the instruction class NOT CHANGED.
// Name of the Instruction Class changed from M to XTYPE from V2/V3 to V4.
class MInst<dag outs, dag ins, string asmstr, list<dag> pattern>
: InstHexagon<outs, ins, asmstr, pattern, "", M> {
bits<5> rd;
bits<5> rs;
bits<5> rt;
}
// M Instruction Class in V2/V3.
// XTYPE Instruction Class in V4.
// Definition of the instruction class NOT CHANGED.
// Name of the Instruction Class changed from M to XTYPE from V2/V3 to V4.
class MInst_acc<dag outs, dag ins, string asmstr, list<dag> pattern,
string cstr>
: InstHexagon<outs, ins, asmstr, pattern, cstr, M> {
bits<5> rd;
bits<5> rs;
bits<5> rt;
}
// S Instruction Class in V2/V3.
// XTYPE Instruction Class in V4.
// Definition of the instruction class NOT CHANGED.
// Name of the Instruction Class changed from S to XTYPE from V2/V3 to V4.
class SInst<dag outs, dag ins, string asmstr, list<dag> pattern>
//: InstHexagon<outs, ins, asmstr, pattern, cstr, !if(V4T, XTYPE_V4, M)> {
: InstHexagon<outs, ins, asmstr, pattern, "", S> {
// : InstHexagon<outs, ins, asmstr, pattern, "", S> {
bits<5> rd;
bits<5> rs;
bits<5> rt;
}
// S Instruction Class in V2/V3.
// XTYPE Instruction Class in V4.
// Definition of the instruction class NOT CHANGED.
// Name of the Instruction Class changed from S to XTYPE from V2/V3 to V4.
class SInst_acc<dag outs, dag ins, string asmstr, list<dag> pattern,
string cstr>
: InstHexagon<outs, ins, asmstr, pattern, cstr, S> {
// : InstHexagon<outs, ins, asmstr, pattern, cstr, S> {
// : InstHexagon<outs, ins, asmstr, pattern, cstr, !if(V4T, XTYPE_V4, S)> {
bits<5> rd;
bits<5> rs;
bits<5> rt;
}
// J Instruction Class in V2/V3/V4.
// Definition of the instruction class NOT CHANGED.
class JType<dag outs, dag ins, string asmstr, list<dag> pattern>
: InstHexagon<outs, ins, asmstr, pattern, "", J> {
bits<16> imm16;
}
// JR Instruction Class in V2/V3/V4.
// Definition of the instruction class NOT CHANGED.
class JRType<dag outs, dag ins, string asmstr, list<dag> pattern>
: InstHexagon<outs, ins, asmstr, pattern, "", JR> {
bits<5> rs;
bits<5> pu; // Predicate register
}
// CR Instruction Class in V2/V3/V4.
// Definition of the instruction class NOT CHANGED.
class CRInst<dag outs, dag ins, string asmstr, list<dag> pattern>
: InstHexagon<outs, ins, asmstr, pattern, "", CR> {
bits<5> rs;
bits<10> imm10;
}
class Pseudo<dag outs, dag ins, string asmstr, list<dag> pattern>
: InstHexagon<outs, ins, asmstr, pattern, "", PSEUDO>;
//----------------------------------------------------------------------------//
// Intruction Classes Definitions -
//----------------------------------------------------------------------------//
//
// ALU32 patterns
//.
class ALU32_rr<dag outs, dag ins, string asmstr, list<dag> pattern>
: ALU32Type<outs, ins, asmstr, pattern> {
}
class ALU32_ir<dag outs, dag ins, string asmstr, list<dag> pattern>
: ALU32Type<outs, ins, asmstr, pattern> {
let rt{0-4} = 0;
}
class ALU32_ri<dag outs, dag ins, string asmstr, list<dag> pattern>
: ALU32Type<outs, ins, asmstr, pattern> {
let rt{0-4} = 0;
}
class ALU32_ii<dag outs, dag ins, string asmstr, list<dag> pattern>
: ALU32Type<outs, ins, asmstr, pattern> {
let rt{0-4} = 0;
}
//
// ALU64 patterns.
//
class ALU64_rr<dag outs, dag ins, string asmstr, list<dag> pattern>
: ALU64Type<outs, ins, asmstr, pattern> {
}
// J Type Instructions.
class JInst<dag outs, dag ins, string asmstr, list<dag> pattern>
: JType<outs, ins, asmstr, pattern> {
}
// JR type Instructions.
class JRInst<dag outs, dag ins, string asmstr, list<dag> pattern>
: JRType<outs, ins, asmstr, pattern> {
}
// Post increment ST Instruction.
class STInstPI<dag outs, dag ins, string asmstr, list<dag> pattern, string cstr>
: STInstPost<outs, ins, asmstr, pattern, cstr> {
let rt{0-4} = 0;
}
// Post increment LD Instruction.
class LDInstPI<dag outs, dag ins, string asmstr, list<dag> pattern, string cstr>
: LDInstPost<outs, ins, asmstr, pattern, cstr> {
let rt{0-4} = 0;
}
//===----------------------------------------------------------------------===//
// V4 Instruction Format Definitions +
//===----------------------------------------------------------------------===//
include "HexagonInstrFormatsV4.td"
//===----------------------------------------------------------------------===//
// V4 Instruction Format Definitions +
//===----------------------------------------------------------------------===//
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