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MicroMipsDSPInstrFormats.td
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//===-- MicroMipsDSPInstrFormats.td - Instruction Formats --*- tablegen -*-===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
class MMDSPInst<string opstr = "">
: MipsInst<(outs), (ins), "", [], NoItinerary, FrmOther> {
let ASEPredicate = [HasDSP];
let EncodingPredicates = [InMicroMips];
string BaseOpcode = opstr;
string Arch = "mmdsp";
let DecoderNamespace = "MicroMips";
}
class MMDSPInstAlias<string Asm, dag Result, bit Emit = 0b1>
: InstAlias<Asm, Result, Emit>, PredicateControl {
let ASEPredicate = [HasDSP];
let AdditionalPredicates = [InMicroMips];
}
class POOL32A_3R_FMT<string opstr, bits<11> op> : MMDSPInst<opstr> {
bits<5> rd;
bits<5> rs;
bits<5> rt;
let Inst{31-26} = 0b000000;
let Inst{25-21} = rt;
let Inst{20-16} = rs;
let Inst{15-11} = rd;
let Inst{10-0} = op;
}
class POOL32A_2R_FMT<string opstr, bits<10> op> : MMDSPInst<opstr> {
bits<5> rt;
bits<5> rs;
let Inst{31-26} = 0b000000;
let Inst{25-21} = rt;
let Inst{20-16} = rs;
let Inst{15-6} = op;
let Inst{5-0} = 0b111100;
}
class POOL32A_2RAC_FMT<string opstr, bits<8> op> : MMDSPInst<opstr> {
bits<5> rt;
bits<5> rs;
bits<2> ac;
let Inst{31-26} = 0b000000;
let Inst{25-21} = rt;
let Inst{20-16} = rs;
let Inst{15-14} = ac;
let Inst{13-6} = op;
let Inst{5-0} = 0b111100;
}
class POOL32A_3RB0_FMT<string opstr, bits<10> op> : MMDSPInst<opstr> {
bits<5> rd;
bits<5> rs;
bits<5> rt;
let Inst{31-26} = 0b000000;
let Inst{25-21} = rt;
let Inst{20-16} = rs;
let Inst{15-11} = rd;
let Inst{10} = 0b0;
let Inst{9-0} = op;
}
class POOL32A_2RSA4_FMT<string opstr, bits<12> op> : MMDSPInst<opstr> {
bits<5> rt;
bits<5> rs;
bits<4> sa;
let Inst{31-26} = 0b000000;
let Inst{25-21} = rt;
let Inst{20-16} = rs;
let Inst{15-12} = sa;
let Inst{11-0} = op;
}
class POOL32A_2RSA3_FMT<string opstr, bits<7> op> : MMDSPInst<opstr> {
bits<5> rt;
bits<5> rs;
bits<3> sa;
let Inst{31-26} = 0b000000;
let Inst{25-21} = rt;
let Inst{20-16} = rs;
let Inst{15-13} = sa;
let Inst{12-6} = op;
let Inst{5-0} = 0b111100;
}
class POOL32A_2RSA5B0_FMT<string opstr, bits<10> op> : MMDSPInst<opstr> {
bits<5> rt;
bits<5> rs;
bits<5> sa;
let Inst{31-26} = 0b000000;
let Inst{25-21} = rt;
let Inst{20-16} = rs;
let Inst{15-11} = sa;
let Inst{10} = 0b0;
let Inst{9-0} = op;
}
class POOL32A_2RSA4B0_FMT<string opstr, bits<11> op> : MMDSPInst<opstr> {
bits<5> rt;
bits<5> rs;
bits<4> sa;
let Inst{31-26} = 0b000000;
let Inst{25-21} = rt;
let Inst{20-16} = rs;
let Inst{15-12} = sa;
let Inst{11} = 0b0;
let Inst{10-0} = op;
}
class POOL32A_2RSA4OP6_FMT<string opstr, bits<6> op> : MMDSPInst<opstr> {
bits<5> rt;
bits<5> rs;
bits<4> sa;
let Inst{31-26} = 0b000000;
let Inst{25-21} = rt;
let Inst{20-16} = rs;
let Inst{15-12} = sa;
let Inst{11-6} = op;
let Inst{5-0} = 0b111100;
}
class POOL32A_1RIMM5AC_FMT<string opstr, bits<8> funct> : MMDSPInst<opstr> {
bits<5> rt;
bits<5> imm;
bits<2> ac;
let Inst{31-26} = 0b000000;
let Inst{25-21} = rt;
let Inst{20-16} = imm;
let Inst{15-14} = ac;
let Inst{13-6} = funct;
let Inst{5-0} = 0b111100;
}
class POOL32A_2RSA5_FMT<string opstr, bits<11> op> : MMDSPInst<opstr> {
bits<5> rt;
bits<5> rs;
bits<5> sa;
let Inst{31-26} = 0b000000;
let Inst{25-21} = rt;
let Inst{20-16} = rs;
let Inst{15-11} = sa;
let Inst{10-0} = op;
}
class POOL32A_1RMEMB0_FMT<string opstr, bits<10> funct> : MMDSPInst<opstr> {
bits<5> index;
bits<5> base;
bits<5> rd;
let Inst{31-26} = 0;
let Inst{25-21} = index;
let Inst{20-16} = base;
let Inst{15-11} = rd;
let Inst{10} = 0b0;
let Inst{9-0} = funct;
}
class POOL32A_1RAC_FMT<string instr_asm, bits<8> funct> : MMDSPInst<instr_asm> {
bits<5> rs;
bits<2> ac;
let Inst{31-26} = 0;
let Inst{25-21} = 0;
let Inst{20-16} = rs;
let Inst{15-14} = ac;
let Inst{13-6} = funct;
let Inst{5-0} = 0b111100;
}
class POOL32A_1RMASK7_FMT<string opstr, bits<8> op> : MMDSPInst<opstr> {
bits<5> rt;
bits<7> mask;
let Inst{31-26} = 0b000000;
let Inst{25-21} = rt;
let Inst{20-14} = mask;
let Inst{13-6} = op;
let Inst{5-0} = 0b111100;
}
class POOL32A_1RIMM10_FMT<string opstr, bits<10> op> : MMDSPInst<opstr> {
bits<5> rd;
bits<10> imm;
let Inst{31-26} = 0;
let Inst{25-16} = imm;
let Inst{15-11} = rd;
let Inst{10} = 0;
let Inst{9-0} = op;
}
class POOL32A_1RIMM8_FMT<string opstr, bits<6> op> : MMDSPInst<opstr> {
bits<5> rt;
bits<8> imm;
let Inst{31-26} = 0;
let Inst{25-21} = rt;
let Inst{20-13} = imm;
let Inst{12} = 0;
let Inst{11-6} = op;
let Inst{5-0} = 0b111100;
}
class POOL32A_4B0SHIFT6AC4B0_FMT<string opstr, bits<10> op> : MMDSPInst<opstr> {
bits<6> shift;
bits<2> ac;
let Inst{31-26} = 0b000000;
let Inst{25-22} = 0b0000;
let Inst{21-16} = shift;
let Inst{15-14} = ac;
let Inst{13-10} = 0b0000;
let Inst{9-0} = op;
}
class POOL32A_5B01RAC_FMT<string opstr, bits<8> op> : MMDSPInst<opstr> {
bits<5> rs;
bits<2> ac;
let Inst{31-26} = 0b000000;
let Inst{25-21} = 0b00000;
let Inst{20-16} = rs;
let Inst{15-14} = ac;
let Inst{13-6} = op;
let Inst{5-0} = 0b111100;
}
class POOL32I_IMMB0_FMT<string opstr, bits<5> op> : MMDSPInst<opstr> {
bits<16> offset;
let Inst{31-26} = 0b010000;
let Inst{25-21} = op;
let Inst{20-16} = 0;
let Inst{15-0} = offset;
}
class POOL32A_2RBP_FMT<string opstr> : MMDSPInst<opstr> {
bits<5> rt;
bits<5> rs;
bits<2> bp;
let Inst{31-26} = 0;
let Inst{25-21} = rt;
let Inst{20-16} = rs;
let Inst{15-14} = bp;
let Inst{13-6} = 0b00100010;
let Inst{5-0} = 0b111100;
}
class POOL32A_2RB0_FMT<string opstr, bits<10> op> : MMDSPInst<opstr> {
bits<5> rt;
bits<5> rs;
let Inst{31-26} = 0;
let Inst{25-21} = rt;
let Inst{20-16} = rs;
let Inst{15-10} = 0;
let Inst{9-0} = op;
}
class POOL32S_3RB0_FMT<string opstr, bits<10> op> : MMDSPInst<opstr> {
bits<5> rt;
bits<5> rs;
bits<5> rd;
let Inst{31-26} = 0b010110;
let Inst{25-21} = rt;
let Inst{20-16} = rs;
let Inst{15-11} = rd;
let Inst{10} = 0b0;
let Inst{9-0} = op;
}
class POOL32A_2R2B0_FMT<string opstr, bits<10> op> : MMDSPInst<opstr> {
bits<5> rt;
bits<5> rs;
let Inst{31-26} = 0;
let Inst{25-21} = rt;
let Inst{20-16} = rs;
let Inst{15-11} = 0;
let Inst{10} = 0;
let Inst{9-0} = op;
}