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llvm-mirror/lib/Target/ARC/ARCInstrInfo.td
Chandler Carruth ae65e281f3 Update the file headers across all of the LLVM projects in the monorepo
to reflect the new license.

We understand that people may be surprised that we're moving the header
entirely to discuss the new license. We checked this carefully with the
Foundation's lawyer and we believe this is the correct approach.

Essentially, all code in the project is now made available by the LLVM
project under our new license, so you will see that the license headers
include that license only. Some of our contributors have contributed
code under our old license, and accordingly, we have retained a copy of
our old license notice in the top-level files in each project and
repository.

llvm-svn: 351636
2019-01-19 08:50:56 +00:00

914 lines
34 KiB
TableGen

//===- ARCInstrInfo.td - Target Description for ARC --------*- 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
//
//===----------------------------------------------------------------------===//
//
// This file describes the ARC instructions in TableGen format.
//
//===----------------------------------------------------------------------===//
include "ARCInstrFormats.td"
// ---------------------------------------------------------------------------
// Selection DAG Nodes.
// ---------------------------------------------------------------------------
// Selection DAG types.
def SDT_ARCcmptst : SDTypeProfile<0, 2, [SDTCisSameAs<0, 1>]>;
def SDT_ARCcmov : SDTypeProfile<1, 3, [SDTCisSameAs<0, 1>]>;
def SDT_ARCmov : SDTypeProfile<1, 1, [SDTCisSameAs<0, 1>]>;
def SDT_ARCbrcc : SDTypeProfile<0, 4, []>;
def SDT_ARCBranchLink : SDTypeProfile<0, 1, [SDTCisPtrTy<0>]>;
def SDT_ARCCallSeqStart : SDCallSeqStart<[ SDTCisVT<0, i32>,
SDTCisVT<1, i32> ]>;
def SDT_ARCCallSeqEnd : SDCallSeqEnd<[ SDTCisVT<0, i32>,
SDTCisVT<1, i32> ]>;
// Global Address.
def ARCGAWrapper : SDNode<"ARCISD::GAWRAPPER", SDT_ARCmov, []>;
// Comparison
def ARCcmp : SDNode<"ARCISD::CMP", SDT_ARCcmptst, [SDNPOutGlue]>;
// Conditionanal mov
def ARCcmov : SDNode<"ARCISD::CMOV", SDT_ARCcmov, [SDNPInGlue]>;
// Conditional Branch
def ARCbrcc : SDNode<"ARCISD::BRcc", SDT_ARCbrcc,
[SDNPHasChain, SDNPInGlue, SDNPOutGlue]>;
// Direct Call
def ARCBranchLink : SDNode<"ARCISD::BL",SDT_ARCBranchLink,
[SDNPHasChain, SDNPOptInGlue, SDNPOutGlue,
SDNPVariadic]>;
// Indirect Call
def ARCJumpLink : SDNode<"ARCISD::JL",SDT_ARCBranchLink,
[SDNPHasChain, SDNPOptInGlue, SDNPOutGlue,
SDNPVariadic]>;
// Call return
def ret : SDNode<"ARCISD::RET", SDTNone,
[SDNPHasChain, SDNPOptInGlue, SDNPVariadic]>;
// Call sequencing nodes.
// These are target-independent nodes, but have target-specific formats.
def callseq_start : SDNode<"ISD::CALLSEQ_START", SDT_ARCCallSeqStart,
[SDNPHasChain, SDNPOutGlue]>;
def callseq_end : SDNode<"ISD::CALLSEQ_END", SDT_ARCCallSeqEnd,
[SDNPHasChain, SDNPOptInGlue, SDNPOutGlue]>;
//===----------------------------------------------------------------------===//
// Instruction Pattern Stuff
//===----------------------------------------------------------------------===//
def imm32 : ImmLeaf<i32, [{
return (Imm & 0xFFFFFFFF) == Imm;
}]>;
// Addressing modes
def FrameADDR_ri : ComplexPattern<i32, 2, "SelectFrameADDR_ri",
[add, frameindex], []>;
def AddrModeS9 : ComplexPattern<i32, 2, "SelectAddrModeS9", []>;
def AddrModeImm : ComplexPattern<i32, 2, "SelectAddrModeImm", []>;
def AddrModeFar : ComplexPattern<i32, 2, "SelectAddrModeFar", []>;
//===----------------------------------------------------------------------===//
// Instruction Class Templates
//===----------------------------------------------------------------------===//
//===----------------------------------------------------------------------===//
// Pseudo Instructions
//===----------------------------------------------------------------------===//
let Defs = [SP], Uses = [SP] in {
def ADJCALLSTACKDOWN : PseudoInstARC<(outs), (ins i32imm:$amt, i32imm:$amt2),
"# ADJCALLSTACKDOWN $amt, $amt2",
[(callseq_start timm:$amt, timm:$amt2)]>;
def ADJCALLSTACKUP : PseudoInstARC<(outs), (ins i32imm:$amt1, i32imm:$amt2),
"# ADJCALLSTACKUP $amt1",
[(callseq_end timm:$amt1, timm:$amt2)]>;
}
def GETFI : PseudoInstARC<(outs GPR32:$dst), (ins MEMii:$addr),
"pldfi $dst, $addr",
[(set GPR32:$dst, FrameADDR_ri:$addr)]>;
def ST_FAR : PseudoInstARC<(outs), (ins GPR32:$dst, MEMrlimm:$addr),
"ST_FAR $dst, $addr",
[(store GPR32:$dst, AddrModeFar:$addr)]>;
def STH_FAR : PseudoInstARC<(outs), (ins GPR32:$dst, MEMrlimm:$addr),
"STH_FAR $dst, $addr",
[(truncstorei16 GPR32:$dst, AddrModeFar:$addr)]>;
def STB_FAR : PseudoInstARC<(outs), (ins GPR32:$dst, MEMrlimm:$addr),
"STB_FAR $dst, $addr",
[(truncstorei8 GPR32:$dst, AddrModeFar:$addr)]>;
//===----------------------------------------------------------------------===//
// Instruction Generation multiclasses.
// Generate many variants of a single instruction with a single defining
// multiclass. These classes do not contain Selection DAG patterns.
//===----------------------------------------------------------------------===//
// Generic 3 operand binary instructions (i.e., add r0, r1, r2).
multiclass ArcBinaryInst<bits<5> major, bits<6> mincode,
string opasm> {
// 3 register variant.
def _rrr : F32_DOP_RR<major, mincode, 0, (outs GPR32:$A),
(ins GPR32:$B, GPR32:$C),
!strconcat(opasm, "\t$A, $B, $C"),
[]>;
def _f_rrr : F32_DOP_RR<major, mincode, 1, (outs GPR32:$A),
(ins GPR32:$B, GPR32:$C),
!strconcat(opasm, ".f\t$A, $B, $C"),
[]>
{ let Defs = [STATUS32]; }
// 2 register with unsigned 6-bit immediate variant.
def _rru6 : F32_DOP_RU6<major, mincode, 0, (outs GPR32:$A),
(ins GPR32:$B, immU6:$U6),
!strconcat(opasm, "\t$A, $B, $U6"),
[]>;
def _f_rru6 : F32_DOP_RU6<major, mincode, 1, (outs GPR32:$A),
(ins GPR32:$B, immU6:$U6),
!strconcat(opasm, ".f\t$A, $B, $U6"),
[]>
{ let Defs = [STATUS32]; }
// 2 register with 32-bit immediate variant.
def _rrlimm : F32_DOP_RLIMM<major, mincode, 0,
(outs GPR32:$A),
(ins GPR32:$B, i32imm:$LImm),
!strconcat(opasm, "\t$A, $B, $LImm"),
[]>;
def _f_rrlimm : F32_DOP_RLIMM<major, mincode, 1,
(outs GPR32:$A),
(ins GPR32:$B, i32imm:$LImm),
!strconcat(opasm, ".f\t$A, $B, $LImm"),
[]>
{ let Defs = [STATUS32]; }
// 2 matched-register with signed 12-bit immediate variant (add r0, r0, -1).
def _rrs12 : F32_DOP_RS12<major, mincode, 0,
(outs GPR32:$B),
(ins GPR32:$in, immS<12>:$S12),
!strconcat(opasm, "\t$B, $in, $S12"),
[]>
{ let Constraints = "$B = $in"; }
def _f_rrs12 : F32_DOP_RS12<major, mincode, 1,
(outs GPR32:$B),
(ins GPR32:$in, immS<12>:$S12),
!strconcat(opasm, ".f\t$B, $in, $S12"),
[]>
{ let Constraints = "$B = $in"; let Defs = [STATUS32]; }
}
// Special multivariant GEN4 DOP format instruction that take 2 registers.
// This is the class that is used for various comparison instructions.
multiclass ArcSpecialDOPInst<bits<6> subop, string opasm, bit F> {
def _rr : F32_DOP_RR<0b00100, subop, F, (outs), (ins GPR32:$B, GPR32:$C),
!strconcat(opasm, "\t$B, $C"),
[]>;
def _ru6 : F32_DOP_RU6<0b00100, subop, F, (outs), (ins GPR32:$B, i32imm:$U6),
!strconcat(opasm, "\t$B, $U6"),
[]>;
def _rlimm : F32_DOP_RLIMM<0b00100, subop, F, (outs),
(ins GPR32:$B, i32imm:$LImm),
!strconcat(opasm, "\t$B, $LImm"),
[]>;
}
// Generic 2-operand unary instructions.
multiclass ArcUnaryInst<bits<5> major, bits<6> subop,
string opasm> {
def _rr : F32_SOP_RR<major, subop, 0, (outs GPR32:$B), (ins GPR32:$C),
!strconcat(opasm, "\t$B, $C"), []>;
def _f_rr : F32_SOP_RR<major, subop, 1, (outs GPR32:$B), (ins GPR32:$C),
!strconcat(opasm, ".f\t$B, $C"), []>
{ let Defs = [STATUS32]; }
}
multiclass ArcBinaryGEN4Inst<bits<6> mincode, string opasm> :
ArcBinaryInst<0b00100, mincode, opasm>;
multiclass ArcBinaryEXT5Inst<bits<6> mincode, string opasm> :
ArcBinaryInst<0b00101, mincode, opasm>;
multiclass ArcUnaryGEN4Inst<bits<6> mincode, string opasm> :
ArcUnaryInst<0b00100, mincode, opasm>;
// Pattern generation for differnt instruction variants.
multiclass MultiPat<SDPatternOperator InFrag,
Instruction RRR, Instruction RRU6, Instruction RRLImm> {
def _rrr : Pat<(InFrag i32:$B, i32:$C), (RRR i32:$B, i32:$C)>;
def _rru6 : Pat<(InFrag i32:$B, immU6:$U6), (RRU6 i32:$B, immU6:$U6)>;
def _rrlimm : Pat<(InFrag i32:$B, imm32:$LImm), (RRLImm i32:$B, imm32:$LImm)>;
}
// ---------------------------------------------------------------------------
// Instruction defintions and patterns for 3 operand binary instructions.
// ---------------------------------------------------------------------------
// Definitions for 3 operand binary instructions.
defm ADD : ArcBinaryGEN4Inst<0b000000, "add">;
defm SUB : ArcBinaryGEN4Inst<0b000010, "sub">;
defm SUB1 : ArcBinaryGEN4Inst<0b010111, "sub1">;
defm SUB2 : ArcBinaryGEN4Inst<0b011000, "sub2">;
defm SUB3 : ArcBinaryGEN4Inst<0b011001, "sub3">;
defm OR : ArcBinaryGEN4Inst<0b000101, "or">;
defm AND : ArcBinaryGEN4Inst<0b000100, "and">;
defm XOR : ArcBinaryGEN4Inst<0b000111, "xor">;
defm MAX : ArcBinaryGEN4Inst<0b001000, "max">;
defm MIN : ArcBinaryGEN4Inst<0b001001, "min">;
defm ASL : ArcBinaryEXT5Inst<0b000000, "asl">;
defm LSR : ArcBinaryEXT5Inst<0b000001, "lsr">;
defm ASR : ArcBinaryEXT5Inst<0b000010, "asr">;
defm ROR : ArcBinaryEXT5Inst<0b000011, "ror">;
defm MPY : ArcBinaryGEN4Inst<0b011010, "mpy">;
defm MPYM : ArcBinaryGEN4Inst<0b011011, "mpym">;
defm MPYMU : ArcBinaryGEN4Inst<0b011100, "mpymu">;
defm SETEQ : ArcBinaryGEN4Inst<0b111000, "seteq">;
// Patterns for 3 operand binary instructions.
defm : MultiPat<add, ADD_rrr, ADD_rru6, ADD_rrlimm>;
defm : MultiPat<sub, SUB_rrr, SUB_rru6, SUB_rrlimm>;
defm : MultiPat<or, OR_rrr, OR_rru6, OR_rrlimm>;
defm : MultiPat<and, AND_rrr, AND_rru6, AND_rrlimm>;
defm : MultiPat<xor, XOR_rrr, XOR_rru6, XOR_rrlimm>;
defm : MultiPat<smax, MAX_rrr, MAX_rru6, MAX_rrlimm>;
defm : MultiPat<smin, MIN_rrr, MIN_rru6, MIN_rrlimm>;
defm : MultiPat<shl, ASL_rrr, ASL_rru6, ASL_rrlimm>;
defm : MultiPat<srl, LSR_rrr, LSR_rru6, LSR_rrlimm>;
defm : MultiPat<sra, ASR_rrr, ASR_rru6, ASR_rrlimm>;
defm : MultiPat<rotr, ROR_rrr, ROR_rru6, ROR_rrlimm>;
defm : MultiPat<mul, MPY_rrr, MPY_rru6, MPY_rrlimm>;
defm : MultiPat<mulhs, MPYM_rrr, MPYM_rru6, MPYM_rrlimm>;
defm : MultiPat<mulhu, MPYMU_rrr, MPYMU_rru6, MPYMU_rrlimm>;
// ---------------------------------------------------------------------------
// Unary Instruction definitions.
// ---------------------------------------------------------------------------
// General unary instruction definitions.
defm SEXB : ArcUnaryGEN4Inst<0b000101, "sexb">;
defm SEXH : ArcUnaryGEN4Inst<0b000110, "sexh">;
// General Unary Instruction fragments.
def : Pat<(sext_inreg i32:$a, i8), (SEXB_rr i32:$a)>;
def : Pat<(sext_inreg i32:$a, i16), (SEXH_rr i32:$a)>;
// Comparison instruction definition
let isCompare = 1, Defs = [STATUS32] in {
defm CMP : ArcSpecialDOPInst<0b001100, "cmp", 1>;
}
def cmp : PatFrag<(ops node:$op1, node:$op2), (ARCcmp $op1, $op2)>;
defm : MultiPat<cmp, CMP_rr, CMP_ru6, CMP_rlimm>;
// ---------------------------------------------------------------------------
// MOV instruction and variants (conditional mov).
// ---------------------------------------------------------------------------
let isReMaterializable = 1, isAsCheapAsAMove = 1, isMoveImm = 1 in {
def MOV_rs12 : F32_DOP_RS12<0b00100, 0b001010, 0,
(outs GPR32:$B), (ins immS<12>:$S12),
"mov\t$B, $S12",
[(set GPR32:$B, immS<12>:$S12)]>;
}
def MOV_rr : F32_DOP_RR<0b00100, 0b001010, 0,
(outs GPR32:$B), (ins GPR32:$C),
"mov\t$B, $C", []>;
def MOV_rlimm : F32_DOP_RLIMM<0b00100, 0b001010, 0,
(outs GPR32:$B), (ins i32imm:$LImm),
"mov\t$B, $LImm", []>;
def MOV_ru6 : F32_DOP_RU6<0b00100, 0b001010, 0,
(outs GPR32:$B), (ins immU6:$U6),
"mov\t$B, $U6", []>;
def cmov : PatFrag<(ops node:$op1, node:$op2, node:$cc),
(ARCcmov $op1, $op2, $cc)>;
let Uses = [STATUS32] in {
def MOVcc : F32_DOP_CC_RR<0b00100, 0b001010, 0,
(outs GPR32:$B),
(ins GPR32:$C, GPR32:$fval, cmovpred:$cc),
!strconcat("mov.", "$cc\t$B, $C"),
[(set GPR32:$B, (cmov i32:$C, i32:$fval, cmovpred:$cc))]> {
let Constraints = "$B = $fval";
}
}
def : Pat<(ARCGAWrapper tglobaladdr:$addr),
(MOV_rlimm tglobaladdr:$addr)>;
def : Pat<(ARCGAWrapper tjumptable:$addr),
(MOV_rlimm tjumptable:$addr)>;
// ---------------------------------------------------------------------------
// Control flow instructions (branch, return, calls, etc).
// ---------------------------------------------------------------------------
// Branch instructions
let isBranch = 1, isTerminator = 1 in {
// Unconditional branch.
let isBarrier = 1 in
def BR : F32_BR0_UCOND_FAR<(outs), (ins btargetS25:$S25),
"b\t$S25", [(br bb:$S25)]>;
let Uses=[STATUS32] in
// Conditional branch.
def Bcc : F32_BR0_COND<(outs), (ins btargetS21:$S21, ccond:$cc),
"b$cc\t$S21", []>;
// Compare and branch (limited range).
def BRcc_rr : F32_BR1_BCC<(outs),
(ins btargetS9:$S9, GPR32:$B, GPR32:$C, brccond:$cc),
"br$cc\t$B, $C, $S9", 0, []>;
def BRcc_ru6 : F32_BR1_BCC<(outs),
(ins btargetS9:$S9, GPR32:$B, immU6:$C, brccond:$cc),
"br$cc\t$B, $C, $S9", 1, []>;
// Pseudo compare and branch.
// After register allocation, this can expand into either a limited range
// Compare and branch (BRcc), or into CMP + Bcc.
// At worst, this expands into 2 4-byte instructions.
def BRcc_rr_p : PseudoInstARC<(outs),
(ins btarget:$T, GPR32:$B, GPR32:$C, ccond:$cc),
"pbr$cc\t$B, $C, $T",
[(ARCbrcc bb:$T, i32:$B, i32:$C, imm32:$cc)]>
{ let Size = 8; }
def BRcc_ru6_p : PseudoInstARC<(outs),
(ins btarget:$T, GPR32:$B, i32imm:$C, ccond:$cc),
"pbr$cc\t$B, $C, $T",
[(ARCbrcc bb:$T, i32:$B, immU6:$C, imm32:$cc)]>
{ let Size = 8; }
} // let isBranch, isTerminator
// Unconditional Jump.
let isBranch = 1, isTerminator = 1, isBarrier = 1 in {
// Indirect.
let isIndirectBranch = 1 in
def J : F32_DOP_RR<0b00100, 0b100000, 0,
(outs), (ins GPR32:$C),
"j\t[$C]", [(brind i32:$C)]>;
// Direct.
def J_LImm : F32_DOP_RLIMM<0b00100, 0b100000, 0,
(outs), (ins i32imm:$LImm),
"j\t$LImm", []>;
}
// Call instructions.
let isCall = 1, isBarrier = 1, Defs = [BLINK], Uses = [SP] in {
// Direct unconditional call.
def BL : F32_BR1_BL_UCOND_FAR<(outs), (ins calltargetS25:$S25),
"bl\t$S25", [(ARCBranchLink tglobaladdr:$S25)]>;
// Indirect unconditional call.
let isIndirectBranch = 1 in
def JL : F32_DOP_RR<0b00100, 0b100010, 0, (outs), (ins GPR32:$C),
"jl\t[$C]", [(ARCJumpLink i32:$C)]>;
// Direct unconditional call.
def JL_LImm : F32_DOP_RLIMM<0b00100, 0b100010, 0, (outs), (ins i32imm:$LImm),
"jl\t$LImm", []>;
} // let isCall, isBarrier, Defs, Uses
// Pattern to generate BL instruction.
def : Pat<(ARCBranchLink texternalsym:$dst), (BL texternalsym:$dst)>;
// Return from call.
let isReturn = 1, isTerminator = 1, isBarrier = 1 in
// This is a specialized 2-byte instruction that doesn't generalize
// to any larger 2-byte class, so go ahead and define it here.
def J_S_BLINK : InstARC<2, (outs), (ins), "j_s\t[%blink]", [(ret)]> {
let Inst{15-0} = 0b0111111011100000;
}
//----------------------------------------------------------------------------
// Compact stack-based operations.
//----------------------------------------------------------------------------
// 2-byte push/pop blink instructions commonly used for prolog/epilog
// generation. These 2 instructions are actually specialized 2-byte
// format instructions that aren't generalized to a larger 2-byte
// class, so we might as well have them here.
let Uses = [BLINK], Defs = [SP] in
def PUSH_S_BLINK : F16_SP_OPS_buconst<0b111, "push_s">;
let Defs = [BLINK, SP] in
def POP_S_BLINK : F16_SP_OPS_buconst<0b110, "pop_s">;
def PUSH_S_r : F16_SP_OPS_uconst<0b110,
(outs), (ins GPR32Reduced:$b3), "push_s">;
def POP_S_r : F16_SP_OPS_uconst<0b111,
(outs GPR32Reduced:$b3), (ins), "pop_s">;
def SP_SUB_SP_S : F16_SP_OPS_bconst<0b001, "sub_s">;
def SP_ADD_SP_S : F16_SP_OPS_bconst<0b000, "add_s">;
def SP_ADD_S : F16_SP_OPS_u7_aligned<0b100,
(outs GPR32Reduced:$b3), (ins immU<7>:$u7),
"add_s\t$b3, %sp, $u7">;
def SP_LD_S : F16_SP_LD<0b000, "ld_s">;
def SP_LDB_S : F16_SP_LD<0b001, "ldb_s">;
def SP_ST_S : F16_SP_ST<0b010, "st_s">;
def SP_STB_S : F16_SP_ST<0b011, "stb_s">;
def LEAVE_S : F16_SP_OPS<0b110,
(outs), (ins immU<7>:$u7), "leave_s\t$u7"> {
bits<7> u7;
let fieldB = u7{6-4};
let fieldU{4-1} = u7{3-0};
let fieldU{0} = 0b0;
}
def ENTER_S : F16_SP_OPS<0b111,
(outs), (ins immU<6>:$u6), "enter_s\t$u6"> {
bits<6> u6;
let fieldB{2} = 0;
let fieldB{1-0} = u6{5-4};
let fieldU{4-1} = u6{3-0};
let fieldU{0} = 0b0;
}
//----------------------------------------------------------------------------
// Compact Move/Load instructions.
//----------------------------------------------------------------------------
class COMPACT_MOV_S :
F16_COMPACT<0b0, (outs GPR32:$g), (ins GPR32:$h),
"mov_s\t$g, $h"> {
let DecoderMethod = "DecodeMoveHRegInstruction";
}
def COMPACT_MOV_S_limm : COMPACT_MOV_S {
bits<32> LImm;
let Inst{47-16} = LImm;
bits<5> LImmReg = 0b11110;
let Inst{7-5} = LImmReg{2-0};
let Inst{1-0} = LImmReg{4-3};
let Size = 6;
}
def COMPACT_MOV_S_hreg : COMPACT_MOV_S;
def COMPACT_LD_S :
F16_COMPACT<0b1, (outs GPR32:$r), (ins GPR32:$h, immU<5>:$u5),
"ld_s\t$r, [$h, $u5]"> {
bits<5> u5;
bits<2> r;
let Inst{10} = u5{4};
let Inst{9-8} = r;
let Inst{4-3} = u5{3-2};
let u5{1-0} = 0b00;
}
//----------------------------------------------------------------------------
// Compact Load/Add/Sub.
//----------------------------------------------------------------------------
def LD_S_AS_rrr : F16_LD_SUB<0b0, "ld_s.as\t$a, [$b, $c]">;
def SUB_S_rrr : F16_LD_SUB<0b1, "sub_s\t$a, $b, $c">;
def ADD_S_rru6 : F16_ADD;
//----------------------------------------------------------------------------
// Compact Load/Store.
//----------------------------------------------------------------------------
def LD_S_s11 : F16_LD_ST_s11<0b0, "ld_s\t%r1, [%gp, $s11]">;
def ST_S_s11 : F16_LD_ST_s11<0b1, "st_s\t%r0, [%gp, $s11]">;
def LDI_S_u7 : F16_LDI_u7;
//----------------------------------------------------------------------------
// Indexed Jump or Execute.
//----------------------------------------------------------------------------
def JLI_S : F16_JLI_EI<0, "jli_s">;
def EI_S : F16_JLI_EI<1, "ei_s">;
//----------------------------------------------------------------------------
// Load/Add Register-Register.
//----------------------------------------------------------------------------
def LD_S_rrr : F16_LD_ADD_RR<0b00, "ld_s\t$a, [$b, $c]">;
def LDB_S_rrr : F16_LD_ADD_RR<0b01, "ldb_s\t$a, [$b, $c]">;
def LDH_S_rrr : F16_LD_ADD_RR<0b10, "ldh_s\t$a, [$b, $c]">;
def ADD_S_rrr : F16_LD_ADD_RR<0b11, "add_s\t$a, $b, $c">;
//----------------------------------------------------------------------------
// Load/Add GP-Relative.
//----------------------------------------------------------------------------
def GP_LD_S : F16_GP_LD_ADD<0b00, (ins immS<11>:$s),
"ld_s\t%r0, [%gp, $s]"> {
bits<11> s;
let Inst{8-0} = s{10-2};
let s{1-0} = 0b00;
}
def GP_LDB_S : F16_GP_LD_ADD<0b01, (ins immS<9>:$s),
"ldb_s\t%r0, [%gp, $s]"> {
bits<9> s;
let Inst{8-0} = s{8-0};
}
def GP_LDH_S : F16_GP_LD_ADD<0b10, (ins immS<10>:$s),
"ldh_s\t%r0, [%gp, $s]"> {
bits<10> s;
let Inst{8-0} = s{9-1};
let s{0} = 0b0;
}
def GP_ADD_S : F16_GP_LD_ADD<0b11, (ins immS<11>:$s),
"add_s\t%r0, %gp, $s"> {
bits<11> s;
let Inst{8-0} = s{10-2};
let s{1-0} = 0b00;
}
//----------------------------------------------------------------------------
// Load PCL-Relative.
//----------------------------------------------------------------------------
def PCL_LD : InstARC<2, (outs GPR32:$b), (ins immU<10>:$u10),
"ld_s\t$b, [%pcl, $u10]", []> {
bits<3> b;
bits<10> u10;
let Inst{15-11} = 0b11010;
let Inst{10-8} = b;
let Inst{7-0} = u10{9-2};
let u10{1-0} = 0b00;
}
let isBranch = 1 in {
//----------------------------------------------------------------------------
// Branch on Compare Register with Zero.
//----------------------------------------------------------------------------
def BREQ_S : F16_BCC_REG<0b0, "breq_s">;
def BRNE_S : F16_BCC_REG<0b1, "brne_s">;
//----------------------------------------------------------------------------
// Branch Conditionally.
//----------------------------------------------------------------------------
let isBarrier = 1 in
def B_S : F16_BCC_s10<0b00, "b_s">;
def BEQ_S : F16_BCC_s10<0b01, "beq_s">;
def BNE_S : F16_BCC_s10<0b10, "bne_s">;
def BGT_S : F16_BCC_s7<0b000, "bgt_s">;
def BGE_S : F16_BCC_s7<0b001, "bge_s">;
def BLT_S : F16_BCC_s7<0b010, "blt_s">;
def BLE_S : F16_BCC_s7<0b011, "ble_s">;
def BHI_S : F16_BCC_s7<0b100, "bhi_s">;
def BHS_S : F16_BCC_s7<0b101, "bhs_s">;
def BLO_S : F16_BCC_s7<0b110, "blo_s">;
def BLS_S : F16_BCC_s7<0b111, "bls_s">;
} // let isBranch
def BL_S :
InstARC<2, (outs), (ins btargetS13:$s13), "bl_s\t$s13", []> {
let Inst{15-11} = 0b11111;
bits<13> s13;
let Inst{10-0} = s13{12-2};
let s13{1-0} = 0b00;
let isCall = 1;
let isBarrier = 1;
}
//----------------------------------------------------------------------------
// Add/Sub/Shift Register-Immediate.
//----------------------------------------------------------------------------
def ADD_S_ru3 : F16_ADD_IMM<0b00,"add_s">;
def SUB_S_ru3 : F16_ADD_IMM<0b01,"sub_s">;
def ASL_S_ru3 : F16_ADD_IMM<0b10,"asl_s">;
def ASR_S_ru3 : F16_ADD_IMM<0b11,"asr_s">;
//----------------------------------------------------------------------------
// Shift/Subtract/Bit Immediate.
//----------------------------------------------------------------------------
def ASL_S_ru5 : F16_SH_SUB_BIT_DST<0b000,"asl_s">;
def LSR_S_ru5 : F16_SH_SUB_BIT_DST<0b001,"lsr_s">;
def ASR_S_ru5 : F16_SH_SUB_BIT_DST<0b010,"asr_s">;
def SUB_S_ru5 : F16_SH_SUB_BIT_DST<0b011,"sub_s">;
def BSET_S_ru5 : F16_SH_SUB_BIT_DST<0b100,"bset_s">;
def BCLR_S_ru5 : F16_SH_SUB_BIT_DST<0b101,"bclr_s">;
def BMSK_S_ru5 : F16_SH_SUB_BIT_DST<0b110,"bmsk_s">;
def BTST_S_ru5 : F16_SH_SUB_BIT<0b111, "btst_s\t$b, $u5">;
//----------------------------------------------------------------------------
// Dual Register Operations.
//----------------------------------------------------------------------------
def ADD_S_rlimm :
F16_OP_HREG_LIMM<0b000, (outs GPR32:$b_s3), (ins i32imm:$LImm),
!strconcat("add_s", "\t$b_s3, $b_s3, $LImm")>;
def ADD_S_rr :
F16_OP_HREG<0b000, (outs GPR32:$b_s3), (ins GPR32:$h),
!strconcat("add_s", "\t$b_s3, $b_s3, $h")>;
def ADD_S_rs3 :
F16_OP_HREG<0b001, (outs GPR32:$h), (ins immC<3>:$b_s3),
!strconcat("add_s", "\t$h, $h, $b_s3")>;
def ADD_S_limms3 :
F16_OP_HREG_LIMM<0b001, (outs), (ins immC<3>:$b_s3, i32imm:$LImm),
!strconcat("add_s", "\t0, $LImm, $b_s3")>;
def MOV_S_NE_rlimm :
F16_OP_HREG_LIMM<0b111, (outs GPR32:$b_s3), (ins i32imm:$LImm),
!strconcat("mov_s.ne", "\t$b_s3, $LImm")>;
def MOV_S_NE_rr :
F16_OP_HREG<0b111,(outs GPR32:$b_s3), (ins GPR32:$h),
!strconcat("mov_s.ne", "\t$b_s3, $h")>;
def MOV_S_rs3 :
F16_OP_HREG<0b011, (outs GPR32:$h), (ins immC<3>:$b_s3),
!strconcat("mov_s", "\t$h, $b_s3")>;
def MOV_S_s3 :
F16_OP_HREG30<0b011, (outs), (ins immC<3>:$b_s3),
!strconcat("mov_s", "\t0, $b_s3")>;
def CMP_S_rlimm :
F16_OP_HREG_LIMM<0b100, (outs GPR32:$b_s3), (ins i32imm:$LImm),
!strconcat("cmp_s", "\t$b_s3, $LImm")>;
def CMP_S_rr :
F16_OP_HREG<0b100, (outs GPR32:$b_s3), (ins GPR32:$h),
!strconcat("cmp_s", "\t$b_s3, $h")>;
def CMP_S_rs3 :
F16_OP_HREG<0b101, (outs GPR32:$h), (ins immC<3>:$b_s3),
!strconcat("cmp_s", "\t$h, $b_s3")>;
def CMP_S_limms3 :
F16_OP_HREG_LIMM<0b101, (outs), (ins immC<3>:$b_s3, i32imm:$LImm),
!strconcat("cmp_s", "\t$LImm, $b_s3")>;
//----------------------------------------------------------------------------
// Compact MOV/ADD/CMP Immediate instructions.
//----------------------------------------------------------------------------
def MOV_S_u8 :
F16_OP_IMM<0b11011, (outs GPR32:$b), (ins immU<8>:$u8),
!strconcat("mov_s", "\t$b, $u8")> {
bits<8> u8;
let Inst{7-0} = u8;
}
def ADD_S_u7 :
F16_OP_U7<0b0, !strconcat("add_s", "\t$b, $b, $u7")>;
def CMP_S_u7 :
F16_OP_U7<0b1, !strconcat("cmp_s", "\t$b, $u7")>;
//----------------------------------------------------------------------------
// Compact Load/Store instructions with offset.
//----------------------------------------------------------------------------
def LD_S_OFF :
F16_LD_ST_WORD_OFF<0x10, (outs GPR32:$c), (ins GPR32:$b, immU<7>:$off),
"ld_s">;
def LDB_S_OFF :
F16_LD_ST_BYTE_OFF<0x11, (outs GPR32:$c), (ins GPR32:$b, immU<5>:$off),
"ldb_s">;
class F16_LDH_OFF<bits<5> opc, string asmstr> :
F16_LD_ST_HALF_OFF<opc, (outs GPR32:$c), (ins GPR32:$b, immU<6>:$off),
asmstr>;
def LDH_S_OFF : F16_LDH_OFF<0x12, "ldh_s">;
def LDH_S_X_OFF : F16_LDH_OFF<0x13, "ldh_s.x">;
def ST_S_OFF :
F16_LD_ST_WORD_OFF<0x14, (outs), (ins GPR32:$c, GPR32:$b, immU<7>:$off),
"st_s">;
def STB_S_OFF :
F16_LD_ST_BYTE_OFF<0x15, (outs), (ins GPR32:$c, GPR32:$b, immU<5>:$off),
"stb_s">;
def STH_S_OFF :
F16_LD_ST_HALF_OFF<0x16, (outs), (ins GPR32:$c, GPR32:$b, immU<6>:$off),
"sth_s">;
//----------------------------------------------------------------------------
// General compact instructions.
//----------------------------------------------------------------------------
def GEN_SUB_S : F16_GEN_DOP<0x02, "sub_s">;
def GEN_AND_S : F16_GEN_DOP<0x04, "and_s">;
def GEN_OR_S : F16_GEN_DOP<0x05, "or_s">;
def GEN_BIC_S : F16_GEN_DOP<0x06, "bic_s">;
def GEN_XOR_S : F16_GEN_DOP<0x07, "xor_s">;
def GEN_MPYW_S : F16_GEN_DOP<0x09, "mpyw_s">;
def GEN_MPYUW_S : F16_GEN_DOP<0x0a, "mpyuw_s">;
def GEN_TST_S : F16_GEN_DOP_NODST<0x0b, "tst_s">;
def GEN_MPY_S : F16_GEN_DOP<0x0c, "mpy_s">;
def GEN_SEXB_S : F16_GEN_DOP_SINGLESRC<0x0d, "sexb_s">;
def GEN_SEXH_S : F16_GEN_DOP_SINGLESRC<0x0e, "sexh_s">;
def GEN_EXTB_S : F16_GEN_DOP_SINGLESRC<0x0f, "extb_s">;
def GEN_EXTH_S : F16_GEN_DOP_SINGLESRC<0x10, "exth_s">;
def GEN_ABS_S : F16_GEN_DOP_SINGLESRC<0x11, "abs_s">;
def GEN_NOT_S : F16_GEN_DOP_SINGLESRC<0x12, "not_s">;
def GEN_NEG_S : F16_GEN_DOP_SINGLESRC<0x13, "neg_s">;
def GEN_ADD1_S : F16_GEN_DOP<0x14, "add1_s">;
def GEN_ADD2_S : F16_GEN_DOP<0x15, "add2_s">;
def GEN_ADD3_S : F16_GEN_DOP<0x16, "add3_s">;
def GEN_ASL_S : F16_GEN_DOP<0x18, "asl_s">;
def GEN_LSR_S : F16_GEN_DOP<0x19, "lsr_s">;
def GEN_ASR_S : F16_GEN_DOP<0x1a, "asr_s">;
def GEN_AS1L_S : F16_GEN_DOP_SINGLESRC<0x1b, "asl_s">;
def GEN_AS1R_S : F16_GEN_DOP_SINGLESRC<0x1c, "asr_s">;
def GEN_LS1R_S : F16_GEN_DOP_SINGLESRC<0x1d, "lsr_s">;
def GEN_TRAP_S : F16_GEN_DOP_BASE<0x1e, (outs), (ins immU6:$u6),
"trap_s\t$u6"> {
bits<6> u6;
let b = u6{5-3};
let c = u6{2-0};
}
def GEN_BRK_S : F16_GEN_DOP_BASE<0x1f, (outs), (ins),
"brk_s"> {
let b = 0b111;
let c = 0b111;
}
let isBarrier = 1 in {
let isBranch = 1 in {
def GEN_J_S : F16_GEN_SOP<0x0, "j_s\t[$b]">;
def GEN_J_S_D : F16_GEN_SOP<0x1, "j_s.d\t[$b]">;
} // let isBranch
let isCall = 1 in {
def GEN_JL_S : F16_GEN_SOP<0x2, "jl_s\t[$b]">;
def GEN_JL_S_D : F16_GEN_SOP<0x3, "jl_s.d\t[$b]">;
} // let isCall
} // let isBarrier
def GEN_SUB_S_NE : F16_GEN_SOP<0x6, "sub_s.ne\t$b, $b, $b">;
def GEN_NOP_S : F16_GEN_ZOP<0x0, "nop_s">;
def GEN_UNIMP_S : F16_GEN_ZOP<0x1, "unimp_s">;
def GEN_SWI_S : F16_GEN_ZOP<0x2, "swi_s">;
let isReturn = 1, isTerminator = 1 in {
def GEN_JEQ_S : F16_GEN_ZOP<0x4, "jeq_s\t[%blink]">;
def GEN_JNE_S : F16_GEN_ZOP<0x5, "jne_s\t[%blink]">;
let isBarrier = 1 in {
//def GEN_J_S_BLINK : F16_GEN_ZOP<0x6, "j_s\t[%blink]">;
def GEN_J_S_D_BLINK : F16_GEN_ZOP<0x7, "j_s.d\t[%blink]">;
} // let isBarrier
} // let isReturn, isTerminator
//----------------------------------------------------------------------------
// Load/Store instructions.
//----------------------------------------------------------------------------
// Load instruction variants:
// Control bits: x, aa, di, zz
// x - sign extend.
// aa - incrementing mode. (N/A for LIMM).
// di - uncached.
// zz - data size.
multiclass ArcLdInst<bits<2> zz, string asmop> {
let mayLoad = 1 in {
def _rs9 : F32_LD_ADDR<0, 0b00, 0, zz,
(outs GPR32:$A), (ins MEMrs9:$addr),
!strconcat(asmop, "\t$A, [$addr]"), []>;
def _limm : F32_LD_LIMM<0, 0, zz,
(outs GPR32:$A), (ins MEMii:$addr),
!strconcat(asmop, "\t$A, [$addr]"), []>;
def _rlimm : F32_LD_RLIMM<0, 0b00, 0, zz,
(outs GPR32:$A), (ins MEMrlimm:$addr),
!strconcat(asmop, "\t$A, [$addr]"), []>;
def _X_rs9 : F32_LD_ADDR<1, 0b00, 0, zz,
(outs GPR32:$A), (ins MEMrs9:$addr),
!strconcat(asmop, ".x\t$A, [$addr]"), []>;
def _X_limm : F32_LD_LIMM<1, 0, zz,
(outs GPR32:$A), (ins MEMii:$addr),
!strconcat(asmop, ".x\t$A, [$addr]"), []>;
def _X_rlimm : F32_LD_RLIMM<1, 0b00, 0, zz,
(outs GPR32:$A), (ins MEMrlimm:$addr),
!strconcat(asmop, ".x\t$A, [$addr]"), []>;
def _AB_rs9 : F32_LD_RS9<0, 0b10, 0, zz,
(outs GPR32:$addrout, GPR32:$A),
(ins GPR32:$B, immS<9>:$S9),
!strconcat(asmop, ".ab\t$A, [$B,$S9]"), []>
{ let Constraints = "$addrout = $B"; }
}
}
// Load instruction definitions.
defm LD : ArcLdInst<0b00, "ld">;
defm LDH : ArcLdInst<0b10, "ldh">;
defm LDB : ArcLdInst<0b01, "ldb">;
// Load instruction patterns.
// 32-bit loads.
def : Pat<(load AddrModeS9:$addr), (LD_rs9 AddrModeS9:$addr)>;
def : Pat<(load AddrModeImm:$addr), (LD_limm AddrModeImm:$addr)>;
def : Pat<(load AddrModeFar:$addr), (LD_rs9 AddrModeFar:$addr)>;
// 16-bit loads
def : Pat<(zextloadi16 AddrModeS9:$addr), (LDH_rs9 AddrModeS9:$addr)>;
def : Pat<(extloadi16 AddrModeS9:$addr), (LDH_rs9 AddrModeS9:$addr)>;
def : Pat<(zextloadi16 AddrModeImm:$addr), (LDH_limm AddrModeImm:$addr)>;
def : Pat<(extloadi16 AddrModeImm:$addr), (LDH_limm AddrModeImm:$addr)>;
def : Pat<(zextloadi16 AddrModeFar:$addr), (LDH_rlimm AddrModeFar:$addr)>;
def : Pat<(extloadi16 AddrModeFar:$addr), (LDH_rlimm AddrModeFar:$addr)>;
def : Pat<(sextloadi16 AddrModeImm:$addr),(LDH_X_limm AddrModeImm:$addr)>;
def : Pat<(sextloadi16 AddrModeFar:$addr),(LDH_X_rlimm AddrModeFar:$addr)>;
def : Pat<(sextloadi16 AddrModeS9:$addr),(LDH_X_rs9 AddrModeS9:$addr)>;
// 8-bit loads.
def : Pat<(zextloadi8 AddrModeS9:$addr), (LDB_rs9 AddrModeS9:$addr)>;
def : Pat<(extloadi8 AddrModeS9:$addr), (LDB_rs9 AddrModeS9:$addr)>;
def : Pat<(zextloadi8 AddrModeImm:$addr), (LDB_limm AddrModeImm:$addr)>;
def : Pat<(extloadi8 AddrModeImm:$addr), (LDB_limm AddrModeImm:$addr)>;
def : Pat<(zextloadi8 AddrModeFar:$addr), (LDB_rlimm AddrModeFar:$addr)>;
def : Pat<(extloadi8 AddrModeFar:$addr), (LDB_rlimm AddrModeFar:$addr)>;
def : Pat<(zextloadi1 AddrModeS9:$addr), (LDB_rs9 AddrModeS9:$addr)>;
def : Pat<(extloadi1 AddrModeS9:$addr), (LDB_rs9 AddrModeS9:$addr)>;
def : Pat<(zextloadi1 AddrModeImm:$addr), (LDB_limm AddrModeImm:$addr)>;
def : Pat<(extloadi1 AddrModeImm:$addr), (LDB_limm AddrModeImm:$addr)>;
def : Pat<(zextloadi1 AddrModeFar:$addr), (LDB_rlimm AddrModeFar:$addr)>;
def : Pat<(extloadi1 AddrModeFar:$addr), (LDB_rlimm AddrModeFar:$addr)>;
def : Pat<(sextloadi8 AddrModeImm:$addr),(LDB_X_limm AddrModeImm:$addr)>;
def : Pat<(sextloadi8 AddrModeFar:$addr),(LDB_X_rlimm AddrModeFar:$addr)>;
def : Pat<(sextloadi8 AddrModeS9:$addr),(LDB_X_rs9 AddrModeS9:$addr)>;
// Store instruction variants:
// Control bits: aa, di, zz
// aa - incrementing mode. (N/A for LIMM).
// di - uncached.
// zz - data size.
multiclass ArcStInst<bits<2> zz, string asmop> {
let mayStore = 1 in {
def _rs9 : F32_ST_ADDR<0b00, 0, zz, (outs), (ins GPR32:$C, MEMrs9:$addr),
!strconcat(asmop, "\t$C, [$addr]"), []>;
def _limm : F32_ST_LIMM<0, zz, (outs), (ins GPR32:$C, MEMii:$addr),
!strconcat(asmop, "\t$C, [$addr]"), []>;
def _AW_rs9 : F32_ST_RS9<0b01, 0, zz, (outs GPR32:$addrout),
(ins GPR32:$C, GPR32:$B, immS<9>:$S9),
!strconcat(asmop, ".aw\t$C, [$B,$S9]"), []>
{ let Constraints = "$addrout = $B"; }
}
}
// Store instruction definitions.
defm ST : ArcStInst<0b00, "st">;
defm STH : ArcStInst<0b10, "sth">;
defm STB : ArcStInst<0b01, "stb">;
// Store instruction patterns.
// 32-bit stores
def : Pat<(store i32:$C, AddrModeS9:$addr),
(ST_rs9 i32:$C, AddrModeS9:$addr)>;
def : Pat<(store i32:$C, AddrModeImm:$addr),
(ST_limm i32:$C, AddrModeImm:$addr)>;
// 16-bit stores
def : Pat<(truncstorei16 i32:$C, AddrModeS9:$addr),
(STH_rs9 i32:$C, AddrModeS9:$addr)>;
def : Pat<(truncstorei16 i32:$C, AddrModeImm:$addr),
(STH_limm i32:$C, AddrModeImm:$addr)>;
// 8-bit stores
def : Pat<(truncstorei8 i32:$C, AddrModeS9:$addr),
(STB_rs9 i32:$C, AddrModeS9:$addr)>;
def : Pat<(truncstorei8 i32:$C, AddrModeImm:$addr),
(STB_limm i32:$C, AddrModeImm:$addr)>;