1//===- ARCInstrInfo.td - Target Description for ARC --------*- tablegen -*-===// 2// 3// The LLVM Compiler Infrastructure 4// 5// This file is distributed under the University of Illinois Open Source 6// License. See LICENSE.TXT for details. 7// 8//===----------------------------------------------------------------------===// 9// 10// This file describes the ARC instructions in TableGen format. 11// 12//===----------------------------------------------------------------------===// 13 14include "ARCInstrFormats.td" 15 16// --------------------------------------------------------------------------- 17// Selection DAG Nodes. 18// --------------------------------------------------------------------------- 19 20// Selection DAG types. 21def SDT_ARCcmptst : SDTypeProfile<0, 2, [SDTCisSameAs<0, 1>]>; 22def SDT_ARCcmov : SDTypeProfile<1, 3, [SDTCisSameAs<0, 1>]>; 23def SDT_ARCmov : SDTypeProfile<1, 1, [SDTCisSameAs<0, 1>]>; 24def SDT_ARCbrcc : SDTypeProfile<0, 4, []>; 25def SDT_ARCBranchLink : SDTypeProfile<0, 1, [SDTCisPtrTy<0>]>; 26def SDT_ARCCallSeqStart : SDCallSeqStart<[ SDTCisVT<0, i32>, 27 SDTCisVT<1, i32> ]>; 28def SDT_ARCCallSeqEnd : SDCallSeqEnd<[ SDTCisVT<0, i32>, 29 SDTCisVT<1, i32> ]>; 30 31 32// Global Address. 33def ARCGAWrapper : SDNode<"ARCISD::GAWRAPPER", SDT_ARCmov, []>; 34 35// Comparison 36def ARCcmp : SDNode<"ARCISD::CMP", SDT_ARCcmptst, [SDNPOutGlue]>; 37 38// Conditionanal mov 39def ARCcmov : SDNode<"ARCISD::CMOV", SDT_ARCcmov, [SDNPInGlue]>; 40 41// Conditional Branch 42def ARCbrcc : SDNode<"ARCISD::BRcc", SDT_ARCbrcc, 43 [SDNPHasChain, SDNPInGlue, SDNPOutGlue]>; 44 45// Direct Call 46def ARCBranchLink : SDNode<"ARCISD::BL",SDT_ARCBranchLink, 47 [SDNPHasChain, SDNPOptInGlue, SDNPOutGlue, 48 SDNPVariadic]>; 49 50// Indirect Call 51def ARCJumpLink : SDNode<"ARCISD::JL",SDT_ARCBranchLink, 52 [SDNPHasChain, SDNPOptInGlue, SDNPOutGlue, 53 SDNPVariadic]>; 54// Call return 55def ret : SDNode<"ARCISD::RET", SDTNone, 56 [SDNPHasChain, SDNPOptInGlue, SDNPVariadic]>; 57 58// Call sequencing nodes. 59// These are target-independent nodes, but have target-specific formats. 60def callseq_start : SDNode<"ISD::CALLSEQ_START", SDT_ARCCallSeqStart, 61 [SDNPHasChain, SDNPOutGlue]>; 62def callseq_end : SDNode<"ISD::CALLSEQ_END", SDT_ARCCallSeqEnd, 63 [SDNPHasChain, SDNPOptInGlue, SDNPOutGlue]>; 64 65//===----------------------------------------------------------------------===// 66// Instruction Pattern Stuff 67//===----------------------------------------------------------------------===// 68 69def imm32 : ImmLeaf<i32, [{ 70 return (Imm & 0xFFFFFFFF) == Imm; 71}]>; 72 73// Addressing modes 74def FrameADDR_ri : ComplexPattern<i32, 2, "SelectFrameADDR_ri", 75 [add, frameindex], []>; 76def AddrModeS9 : ComplexPattern<i32, 2, "SelectAddrModeS9", []>; 77def AddrModeImm : ComplexPattern<i32, 2, "SelectAddrModeImm", []>; 78def AddrModeFar : ComplexPattern<i32, 2, "SelectAddrModeFar", []>; 79 80//===----------------------------------------------------------------------===// 81// Instruction Class Templates 82//===----------------------------------------------------------------------===// 83 84//===----------------------------------------------------------------------===// 85// Pseudo Instructions 86//===----------------------------------------------------------------------===// 87 88let Defs = [SP], Uses = [SP] in { 89def ADJCALLSTACKDOWN : PseudoInstARC<(outs), (ins i32imm:$amt, i32imm:$amt2), 90 "# ADJCALLSTACKDOWN $amt, $amt2", 91 [(callseq_start timm:$amt, timm:$amt2)]>; 92def ADJCALLSTACKUP : PseudoInstARC<(outs), (ins i32imm:$amt1, i32imm:$amt2), 93 "# ADJCALLSTACKUP $amt1", 94 [(callseq_end timm:$amt1, timm:$amt2)]>; 95} 96 97def GETFI : PseudoInstARC<(outs GPR32:$dst), (ins MEMii:$addr), 98 "pldfi $dst, $addr", 99 [(set GPR32:$dst, FrameADDR_ri:$addr)]>; 100 101 102def ST_FAR : PseudoInstARC<(outs), (ins GPR32:$dst, MEMrlimm:$addr), 103 "ST_FAR $dst, $addr", 104 [(store GPR32:$dst, AddrModeFar:$addr)]>; 105 106def STH_FAR : PseudoInstARC<(outs), (ins GPR32:$dst, MEMrlimm:$addr), 107 "STH_FAR $dst, $addr", 108 [(truncstorei16 GPR32:$dst, AddrModeFar:$addr)]>; 109 110def STB_FAR : PseudoInstARC<(outs), (ins GPR32:$dst, MEMrlimm:$addr), 111 "STB_FAR $dst, $addr", 112 [(truncstorei8 GPR32:$dst, AddrModeFar:$addr)]>; 113 114//===----------------------------------------------------------------------===// 115// Instruction Generation multiclasses. 116// Generate many variants of a single instruction with a single defining 117// multiclass. These classes do not contain Selection DAG patterns. 118//===----------------------------------------------------------------------===// 119 120// Generic 3 operand binary instructions (i.e., add r0, r1, r2). 121multiclass ArcBinaryInst<bits<5> major, bits<6> mincode, 122 string opasm> { 123 // 3 register variant. 124 def _rrr : F32_DOP_RR<major, mincode, 0, (outs GPR32:$A), 125 (ins GPR32:$B, GPR32:$C), 126 !strconcat(opasm, "\t$A, $B, $C"), 127 []>; 128 def _f_rrr : F32_DOP_RR<major, mincode, 1, (outs GPR32:$A), 129 (ins GPR32:$B, GPR32:$C), 130 !strconcat(opasm, ".f\t$A, $B, $C"), 131 []> 132 { let Defs = [STATUS32]; } 133 134 // 2 register with unsigned 6-bit immediate variant. 135 def _rru6 : F32_DOP_RU6<major, mincode, 0, (outs GPR32:$A), 136 (ins GPR32:$B, immU6:$U6), 137 !strconcat(opasm, "\t$A, $B, $U6"), 138 []>; 139 def _f_rru6 : F32_DOP_RU6<major, mincode, 1, (outs GPR32:$A), 140 (ins GPR32:$B, immU6:$U6), 141 !strconcat(opasm, ".f\t$A, $B, $U6"), 142 []> 143 { let Defs = [STATUS32]; } 144 145 // 2 register with 32-bit immediate variant. 146 def _rrlimm : F32_DOP_RLIMM<major, mincode, 0, 147 (outs GPR32:$A), 148 (ins GPR32:$B, i32imm:$LImm), 149 !strconcat(opasm, "\t$A, $B, $LImm"), 150 []>; 151 def _f_rrlimm : F32_DOP_RLIMM<major, mincode, 1, 152 (outs GPR32:$A), 153 (ins GPR32:$B, i32imm:$LImm), 154 !strconcat(opasm, ".f\t$A, $B, $LImm"), 155 []> 156 { let Defs = [STATUS32]; } 157 158 // 2 matched-register with signed 12-bit immediate variant (add r0, r0, -1). 159 def _rrs12 : F32_DOP_RS12<major, mincode, 0, 160 (outs GPR32:$B), 161 (ins GPR32:$in, immS<12>:$S12), 162 !strconcat(opasm, "\t$B, $in, $S12"), 163 []> 164 { let Constraints = "$B = $in"; } 165 def _f_rrs12 : F32_DOP_RS12<major, mincode, 1, 166 (outs GPR32:$B), 167 (ins GPR32:$in, immS<12>:$S12), 168 !strconcat(opasm, ".f\t$B, $in, $S12"), 169 []> 170 { let Constraints = "$B = $in"; let Defs = [STATUS32]; } 171} 172 173// Special multivariant GEN4 DOP format instruction that take 2 registers. 174// This is the class that is used for various comparison instructions. 175multiclass ArcSpecialDOPInst<bits<6> subop, string opasm, bit F> { 176 def _rr : F32_DOP_RR<0b00100, subop, F, (outs), (ins GPR32:$B, GPR32:$C), 177 !strconcat(opasm, "\t$B, $C"), 178 []>; 179 180 def _ru6 : F32_DOP_RU6<0b00100, subop, F, (outs), (ins GPR32:$B, i32imm:$U6), 181 !strconcat(opasm, "\t$B, $U6"), 182 []>; 183 184 def _rlimm : F32_DOP_RLIMM<0b00100, subop, F, (outs), 185 (ins GPR32:$B, i32imm:$LImm), 186 !strconcat(opasm, "\t$B, $LImm"), 187 []>; 188} 189 190// Generic 2-operand unary instructions. 191multiclass ArcUnaryInst<bits<5> major, bits<6> subop, 192 string opasm> { 193 def _rr : F32_SOP_RR<major, subop, 0, (outs GPR32:$B), (ins GPR32:$C), 194 !strconcat(opasm, "\t$B, $C"), []>; 195 196 def _f_rr : F32_SOP_RR<major, subop, 1, (outs GPR32:$B), (ins GPR32:$C), 197 !strconcat(opasm, ".f\t$B, $C"), []> 198 { let Defs = [STATUS32]; } 199} 200 201 202multiclass ArcBinaryGEN4Inst<bits<6> mincode, string opasm> : 203 ArcBinaryInst<0b00100, mincode, opasm>; 204multiclass ArcBinaryEXT5Inst<bits<6> mincode, string opasm> : 205 ArcBinaryInst<0b00101, mincode, opasm>; 206 207multiclass ArcUnaryGEN4Inst<bits<6> mincode, string opasm> : 208 ArcUnaryInst<0b00100, mincode, opasm>; 209 210// Pattern generation for differnt instruction variants. 211multiclass MultiPat<SDPatternOperator InFrag, 212 Instruction RRR, Instruction RRU6, Instruction RRLImm> { 213 def _rrr : Pat<(InFrag i32:$B, i32:$C), (RRR i32:$B, i32:$C)>; 214 def _rru6 : Pat<(InFrag i32:$B, immU6:$U6), (RRU6 i32:$B, immU6:$U6)>; 215 def _rrlimm : Pat<(InFrag i32:$B, imm32:$LImm), (RRLImm i32:$B, imm32:$LImm)>; 216} 217 218// --------------------------------------------------------------------------- 219// Instruction defintions and patterns for 3 operand binary instructions. 220// --------------------------------------------------------------------------- 221 222// Definitions for 3 operand binary instructions. 223defm ADD : ArcBinaryGEN4Inst<0b000000, "add">; 224defm SUB : ArcBinaryGEN4Inst<0b000010, "sub">; 225defm SUB1 : ArcBinaryGEN4Inst<0b010111, "sub1">; 226defm SUB2 : ArcBinaryGEN4Inst<0b011000, "sub2">; 227defm SUB3 : ArcBinaryGEN4Inst<0b011001, "sub3">; 228defm OR : ArcBinaryGEN4Inst<0b000101, "or">; 229defm AND : ArcBinaryGEN4Inst<0b000100, "and">; 230defm XOR : ArcBinaryGEN4Inst<0b000111, "xor">; 231defm MAX : ArcBinaryGEN4Inst<0b001000, "max">; 232defm MIN : ArcBinaryGEN4Inst<0b001001, "min">; 233defm ASL : ArcBinaryEXT5Inst<0b000000, "asl">; 234defm LSR : ArcBinaryEXT5Inst<0b000001, "lsr">; 235defm ASR : ArcBinaryEXT5Inst<0b000010, "asr">; 236defm ROR : ArcBinaryEXT5Inst<0b000011, "ror">; 237defm MPY : ArcBinaryGEN4Inst<0b011010, "mpy">; 238defm MPYM : ArcBinaryGEN4Inst<0b011011, "mpym">; 239defm MPYMU : ArcBinaryGEN4Inst<0b011100, "mpymu">; 240defm SETEQ : ArcBinaryGEN4Inst<0b111000, "seteq">; 241 242// Patterns for 3 operand binary instructions. 243defm : MultiPat<add, ADD_rrr, ADD_rru6, ADD_rrlimm>; 244defm : MultiPat<sub, SUB_rrr, SUB_rru6, SUB_rrlimm>; 245defm : MultiPat<or, OR_rrr, OR_rru6, OR_rrlimm>; 246defm : MultiPat<and, AND_rrr, AND_rru6, AND_rrlimm>; 247defm : MultiPat<xor, XOR_rrr, XOR_rru6, XOR_rrlimm>; 248defm : MultiPat<smax, MAX_rrr, MAX_rru6, MAX_rrlimm>; 249defm : MultiPat<smin, MIN_rrr, MIN_rru6, MIN_rrlimm>; 250defm : MultiPat<shl, ASL_rrr, ASL_rru6, ASL_rrlimm>; 251defm : MultiPat<srl, LSR_rrr, LSR_rru6, LSR_rrlimm>; 252defm : MultiPat<sra, ASR_rrr, ASR_rru6, ASR_rrlimm>; 253defm : MultiPat<rotr, ROR_rrr, ROR_rru6, ROR_rrlimm>; 254defm : MultiPat<mul, MPY_rrr, MPY_rru6, MPY_rrlimm>; 255defm : MultiPat<mulhs, MPYM_rrr, MPYM_rru6, MPYM_rrlimm>; 256defm : MultiPat<mulhu, MPYMU_rrr, MPYMU_rru6, MPYMU_rrlimm>; 257 258// --------------------------------------------------------------------------- 259// Unary Instruction definitions. 260// --------------------------------------------------------------------------- 261// General unary instruction definitions. 262defm SEXB : ArcUnaryGEN4Inst<0b000101, "sexb">; 263defm SEXH : ArcUnaryGEN4Inst<0b000110, "sexh">; 264 265// General Unary Instruction fragments. 266def : Pat<(sext_inreg i32:$a, i8), (SEXB_rr i32:$a)>; 267def : Pat<(sext_inreg i32:$a, i16), (SEXH_rr i32:$a)>; 268 269// Comparison instruction definition 270let isCompare = 1, Defs = [STATUS32] in { 271defm CMP : ArcSpecialDOPInst<0b001100, "cmp", 1>; 272} 273 274def cmp : PatFrag<(ops node:$op1, node:$op2), (ARCcmp $op1, $op2)>; 275defm : MultiPat<cmp, CMP_rr, CMP_ru6, CMP_rlimm>; 276 277// --------------------------------------------------------------------------- 278// MOV instruction and variants (conditional mov). 279// --------------------------------------------------------------------------- 280let isReMaterializable = 1, isAsCheapAsAMove = 1, isMoveImm = 1 in { 281def MOV_rs12 : F32_DOP_RS12<0b00100, 0b001010, 0, 282 (outs GPR32:$B), (ins immS<12>:$S12), 283 "mov\t$B, $S12", 284 [(set GPR32:$B, immS<12>:$S12)]>; 285} 286 287def MOV_rr : F32_DOP_RR<0b00100, 0b001010, 0, 288 (outs GPR32:$B), (ins GPR32:$C), 289 "mov\t$B, $C", []>; 290 291def MOV_rlimm : F32_DOP_RLIMM<0b00100, 0b001010, 0, 292 (outs GPR32:$B), (ins i32imm:$LImm), 293 "mov\t$B, $LImm", []>; 294 295def MOV_ru6 : F32_DOP_RU6<0b00100, 0b001010, 0, 296 (outs GPR32:$B), (ins immU6:$U6), 297 "mov\t$B, $U6", []>; 298 299def cmov : PatFrag<(ops node:$op1, node:$op2, node:$cc), 300 (ARCcmov $op1, $op2, $cc)>; 301let Uses = [STATUS32] in { 302def MOVcc : F32_DOP_CC_RR<0b00100, 0b001010, 0, 303 (outs GPR32:$B), 304 (ins GPR32:$C, GPR32:$fval, cmovpred:$cc), 305 !strconcat("mov.", "$cc\t$B, $C"), 306 [(set GPR32:$B, (cmov i32:$C, i32:$fval, cmovpred:$cc))]> { 307 let Constraints = "$B = $fval"; 308} 309} 310def : Pat<(ARCGAWrapper tglobaladdr:$addr), 311 (MOV_rlimm tglobaladdr:$addr)>; 312 313def : Pat<(ARCGAWrapper tjumptable:$addr), 314 (MOV_rlimm tjumptable:$addr)>; 315 316 317// --------------------------------------------------------------------------- 318// Control flow instructions (branch, return, calls, etc). 319// --------------------------------------------------------------------------- 320 321// Branch instructions 322let isBranch = 1, isTerminator = 1 in { 323 324 // Unconditional branch. 325 let isBarrier = 1 in 326 def BR : F32_BR0_UCOND_FAR<(outs), (ins btargetS25:$S25), 327 "b\t$S25", [(br bb:$S25)]>; 328 329 let Uses=[STATUS32] in 330 // Conditional branch. 331 def Bcc : F32_BR0_COND<(outs), (ins btargetS21:$S21, ccond:$cc), 332 "b$cc\t$S21", []>; 333 334 // Compare and branch (limited range). 335 def BRcc_rr : F32_BR1_BCC<(outs), 336 (ins btargetS9:$S9, GPR32:$B, GPR32:$C, brccond:$cc), 337 "br$cc\t$B, $C, $S9", 0, []>; 338 def BRcc_ru6 : F32_BR1_BCC<(outs), 339 (ins btargetS9:$S9, GPR32:$B, immU6:$C, brccond:$cc), 340 "br$cc\t$B, $C, $S9", 1, []>; 341 342 // Pseudo compare and branch. 343 // After register allocation, this can expand into either a limited range 344 // Compare and branch (BRcc), or into CMP + Bcc. 345 // At worst, this expands into 2 4-byte instructions. 346 def BRcc_rr_p : PseudoInstARC<(outs), 347 (ins btarget:$T, GPR32:$B, GPR32:$C, ccond:$cc), 348 "pbr$cc\t$B, $C, $T", 349 [(ARCbrcc bb:$T, i32:$B, i32:$C, imm32:$cc)]> 350 { let Size = 8; } 351 352 def BRcc_ru6_p : PseudoInstARC<(outs), 353 (ins btarget:$T, GPR32:$B, i32imm:$C, ccond:$cc), 354 "pbr$cc\t$B, $C, $T", 355 [(ARCbrcc bb:$T, i32:$B, immU6:$C, imm32:$cc)]> 356 { let Size = 8; } 357} // let isBranch, isTerminator 358 359// Unconditional Jump. 360let isBranch = 1, isTerminator = 1, isBarrier = 1 in { 361 // Indirect. 362 let isIndirectBranch = 1 in 363 def J : F32_DOP_RR<0b00100, 0b100000, 0, 364 (outs), (ins GPR32:$C), 365 "j\t[$C]", [(brind i32:$C)]>; 366 367 // Direct. 368 def J_LImm : F32_DOP_RLIMM<0b00100, 0b100000, 0, 369 (outs), (ins i32imm:$LImm), 370 "j\t$LImm", []>; 371} 372 373// Call instructions. 374let isCall = 1, isBarrier = 1, Defs = [BLINK], Uses = [SP] in { 375 // Direct unconditional call. 376 def BL : F32_BR1_BL_UCOND_FAR<(outs), (ins calltargetS25:$S25), 377 "bl\t$S25", [(ARCBranchLink tglobaladdr:$S25)]>; 378 379 // Indirect unconditional call. 380 let isIndirectBranch = 1 in 381 def JL : F32_DOP_RR<0b00100, 0b100010, 0, (outs), (ins GPR32:$C), 382 "jl\t[$C]", [(ARCJumpLink i32:$C)]>; 383 384 // Direct unconditional call. 385 def JL_LImm : F32_DOP_RLIMM<0b00100, 0b100010, 0, (outs), (ins i32imm:$LImm), 386 "jl\t$LImm", []>; 387} // let isCall, isBarrier, Defs, Uses 388 389// Pattern to generate BL instruction. 390def : Pat<(ARCBranchLink texternalsym:$dst), (BL texternalsym:$dst)>; 391 392// Return from call. 393let isReturn = 1, isTerminator = 1, isBarrier = 1 in 394// This is a specialized 2-byte instruction that doesn't generalize 395// to any larger 2-byte class, so go ahead and define it here. 396def J_S_BLINK : InstARC<2, (outs), (ins), "j_s\t[%blink]", [(ret)]> { 397 let Inst{15-0} = 0b0111111011100000; 398} 399 400//---------------------------------------------------------------------------- 401// Compact stack-based operations. 402//---------------------------------------------------------------------------- 403 404// 2-byte push/pop blink instructions commonly used for prolog/epilog 405// generation. These 2 instructions are actually specialized 2-byte 406// format instructions that aren't generalized to a larger 2-byte 407// class, so we might as well have them here. 408let Uses = [BLINK], Defs = [SP] in 409def PUSH_S_BLINK : F16_SP_OPS_buconst<0b111, "push_s">; 410 411let Defs = [BLINK, SP] in 412def POP_S_BLINK : F16_SP_OPS_buconst<0b110, "pop_s">; 413 414def PUSH_S_r : F16_SP_OPS_uconst<0b110, 415 (outs), (ins GPR32Reduced:$b3), "push_s">; 416def POP_S_r : F16_SP_OPS_uconst<0b111, 417 (outs GPR32Reduced:$b3), (ins), "pop_s">; 418 419def SP_SUB_SP_S : F16_SP_OPS_bconst<0b001, "sub_s">; 420def SP_ADD_SP_S : F16_SP_OPS_bconst<0b000, "add_s">; 421def SP_ADD_S : F16_SP_OPS_u7_aligned<0b100, 422 (outs GPR32Reduced:$b3), (ins immU<7>:$u7), 423 "add_s\t$b3, %sp, $u7">; 424 425def SP_LD_S : F16_SP_LD<0b000, "ld_s">; 426def SP_LDB_S : F16_SP_LD<0b001, "ldb_s">; 427def SP_ST_S : F16_SP_ST<0b010, "st_s">; 428def SP_STB_S : F16_SP_ST<0b011, "stb_s">; 429 430def LEAVE_S : F16_SP_OPS<0b110, 431 (outs), (ins immU<7>:$u7), "leave_s\t$u7"> { 432 433 bits<7> u7; 434 435 let fieldB = u7{6-4}; 436 let fieldU{4-1} = u7{3-0}; 437 let fieldU{0} = 0b0; 438} 439 440def ENTER_S : F16_SP_OPS<0b111, 441 (outs), (ins immU<6>:$u6), "enter_s\t$u6"> { 442 443 bits<6> u6; 444 445 let fieldB{2} = 0; 446 let fieldB{1-0} = u6{5-4}; 447 let fieldU{4-1} = u6{3-0}; 448 let fieldU{0} = 0b0; 449} 450 451//---------------------------------------------------------------------------- 452// Compact Move/Load instructions. 453//---------------------------------------------------------------------------- 454class COMPACT_MOV_S : 455 F16_COMPACT<0b0, (outs GPR32:$g), (ins GPR32:$h), 456 "mov_s\t$g, $h"> { 457 let DecoderMethod = "DecodeMoveHRegInstruction"; 458} 459 460def COMPACT_MOV_S_limm : COMPACT_MOV_S { 461 bits<32> LImm; 462 let Inst{47-16} = LImm; 463 464 bits<5> LImmReg = 0b11110; 465 let Inst{7-5} = LImmReg{2-0}; 466 let Inst{1-0} = LImmReg{4-3}; 467 468 let Size = 6; 469} 470 471def COMPACT_MOV_S_hreg : COMPACT_MOV_S; 472 473def COMPACT_LD_S : 474 F16_COMPACT<0b1, (outs GPR32:$r), (ins GPR32:$h, immU<5>:$u5), 475 "ld_s\t$r, [$h, $u5]"> { 476 bits<5> u5; 477 bits<2> r; 478 479 let Inst{10} = u5{4}; 480 let Inst{9-8} = r; 481 let Inst{4-3} = u5{3-2}; 482 let u5{1-0} = 0b00; 483} 484 485//---------------------------------------------------------------------------- 486// Compact Load/Add/Sub. 487//---------------------------------------------------------------------------- 488def LD_S_AS_rrr : F16_LD_SUB<0b0, "ld_s.as\t$a, [$b, $c]">; 489def SUB_S_rrr : F16_LD_SUB<0b1, "sub_s\t$a, $b, $c">; 490def ADD_S_rru6 : F16_ADD; 491 492//---------------------------------------------------------------------------- 493// Compact Load/Store. 494//---------------------------------------------------------------------------- 495def LD_S_s11 : F16_LD_ST_s11<0b0, "ld_s\t%r1, [%gp, $s11]">; 496def ST_S_s11 : F16_LD_ST_s11<0b1, "st_s\t%r0, [%gp, $s11]">; 497def LDI_S_u7 : F16_LDI_u7; 498 499//---------------------------------------------------------------------------- 500// Indexed Jump or Execute. 501//---------------------------------------------------------------------------- 502def JLI_S : F16_JLI_EI<0, "jli_s">; 503def EI_S : F16_JLI_EI<1, "ei_s">; 504 505//---------------------------------------------------------------------------- 506// Load/Add Register-Register. 507//---------------------------------------------------------------------------- 508def LD_S_rrr : F16_LD_ADD_RR<0b00, "ld_s\t$a, [$b, $c]">; 509def LDB_S_rrr : F16_LD_ADD_RR<0b01, "ldb_s\t$a, [$b, $c]">; 510def LDH_S_rrr : F16_LD_ADD_RR<0b10, "ldh_s\t$a, [$b, $c]">; 511def ADD_S_rrr : F16_LD_ADD_RR<0b11, "add_s\t$a, $b, $c">; 512 513//---------------------------------------------------------------------------- 514// Load/Add GP-Relative. 515//---------------------------------------------------------------------------- 516def GP_LD_S : F16_GP_LD_ADD<0b00, (ins immS<11>:$s), 517 "ld_s\t%r0, [%gp, $s]"> { 518 519 bits<11> s; 520 let Inst{8-0} = s{10-2}; 521 let s{1-0} = 0b00; 522} 523 524def GP_LDB_S : F16_GP_LD_ADD<0b01, (ins immS<9>:$s), 525 "ldb_s\t%r0, [%gp, $s]"> { 526 527 bits<9> s; 528 let Inst{8-0} = s{8-0}; 529} 530 531def GP_LDH_S : F16_GP_LD_ADD<0b10, (ins immS<10>:$s), 532 "ldh_s\t%r0, [%gp, $s]"> { 533 534 bits<10> s; 535 let Inst{8-0} = s{9-1}; 536 let s{0} = 0b0; 537} 538 539def GP_ADD_S : F16_GP_LD_ADD<0b11, (ins immS<11>:$s), 540 "add_s\t%r0, %gp, $s"> { 541 542 bits<11> s; 543 let Inst{8-0} = s{10-2}; 544 let s{1-0} = 0b00; 545} 546 547//---------------------------------------------------------------------------- 548// Load PCL-Relative. 549//---------------------------------------------------------------------------- 550def PCL_LD : InstARC<2, (outs GPR32:$b), (ins immU<10>:$u10), 551 "ld_s\t$b, [%pcl, $u10]", []> { 552 553 bits<3> b; 554 bits<10> u10; 555 556 let Inst{15-11} = 0b11010; 557 let Inst{10-8} = b; 558 let Inst{7-0} = u10{9-2}; 559 let u10{1-0} = 0b00; 560} 561 562let isBranch = 1 in { 563 //---------------------------------------------------------------------------- 564 // Branch on Compare Register with Zero. 565 //---------------------------------------------------------------------------- 566 def BREQ_S : F16_BCC_REG<0b0, "breq_s">; 567 def BRNE_S : F16_BCC_REG<0b1, "brne_s">; 568 569 //---------------------------------------------------------------------------- 570 // Branch Conditionally. 571 //---------------------------------------------------------------------------- 572 let isBarrier = 1 in 573 def B_S : F16_BCC_s10<0b00, "b_s">; 574 575 def BEQ_S : F16_BCC_s10<0b01, "beq_s">; 576 def BNE_S : F16_BCC_s10<0b10, "bne_s">; 577 def BGT_S : F16_BCC_s7<0b000, "bgt_s">; 578 def BGE_S : F16_BCC_s7<0b001, "bge_s">; 579 def BLT_S : F16_BCC_s7<0b010, "blt_s">; 580 def BLE_S : F16_BCC_s7<0b011, "ble_s">; 581 def BHI_S : F16_BCC_s7<0b100, "bhi_s">; 582 def BHS_S : F16_BCC_s7<0b101, "bhs_s">; 583 def BLO_S : F16_BCC_s7<0b110, "blo_s">; 584 def BLS_S : F16_BCC_s7<0b111, "bls_s">; 585} // let isBranch 586 587def BL_S : 588 InstARC<2, (outs), (ins btargetS13:$s13), "bl_s\t$s13", []> { 589 590 let Inst{15-11} = 0b11111; 591 592 bits<13> s13; 593 let Inst{10-0} = s13{12-2}; 594 let s13{1-0} = 0b00; 595 596 let isCall = 1; 597 let isBarrier = 1; 598} 599 600//---------------------------------------------------------------------------- 601// Add/Sub/Shift Register-Immediate. 602//---------------------------------------------------------------------------- 603def ADD_S_ru3 : F16_ADD_IMM<0b00,"add_s">; 604def SUB_S_ru3 : F16_ADD_IMM<0b01,"sub_s">; 605def ASL_S_ru3 : F16_ADD_IMM<0b10,"asl_s">; 606def ASR_S_ru3 : F16_ADD_IMM<0b11,"asr_s">; 607 608//---------------------------------------------------------------------------- 609// Shift/Subtract/Bit Immediate. 610//---------------------------------------------------------------------------- 611def ASL_S_ru5 : F16_SH_SUB_BIT_DST<0b000,"asl_s">; 612def LSR_S_ru5 : F16_SH_SUB_BIT_DST<0b001,"lsr_s">; 613def ASR_S_ru5 : F16_SH_SUB_BIT_DST<0b010,"asr_s">; 614def SUB_S_ru5 : F16_SH_SUB_BIT_DST<0b011,"sub_s">; 615def BSET_S_ru5 : F16_SH_SUB_BIT_DST<0b100,"bset_s">; 616def BCLR_S_ru5 : F16_SH_SUB_BIT_DST<0b101,"bclr_s">; 617def BMSK_S_ru5 : F16_SH_SUB_BIT_DST<0b110,"bmsk_s">; 618def BTST_S_ru5 : F16_SH_SUB_BIT<0b111, "btst_s\t$b, $u5">; 619 620//---------------------------------------------------------------------------- 621// Dual Register Operations. 622//---------------------------------------------------------------------------- 623def ADD_S_rlimm : 624 F16_OP_HREG_LIMM<0b000, (outs GPR32:$b_s3), (ins i32imm:$LImm), 625 !strconcat("add_s", "\t$b_s3, $b_s3, $LImm")>; 626 627def ADD_S_rr : 628 F16_OP_HREG<0b000, (outs GPR32:$b_s3), (ins GPR32:$h), 629 !strconcat("add_s", "\t$b_s3, $b_s3, $h")>; 630 631def ADD_S_rs3 : 632 F16_OP_HREG<0b001, (outs GPR32:$h), (ins immC<3>:$b_s3), 633 !strconcat("add_s", "\t$h, $h, $b_s3")>; 634 635def ADD_S_limms3 : 636 F16_OP_HREG_LIMM<0b001, (outs), (ins immC<3>:$b_s3, i32imm:$LImm), 637 !strconcat("add_s", "\t0, $LImm, $b_s3")>; 638 639def MOV_S_NE_rlimm : 640 F16_OP_HREG_LIMM<0b111, (outs GPR32:$b_s3), (ins i32imm:$LImm), 641 !strconcat("mov_s.ne", "\t$b_s3, $LImm")>; 642 643def MOV_S_NE_rr : 644 F16_OP_HREG<0b111,(outs GPR32:$b_s3), (ins GPR32:$h), 645 !strconcat("mov_s.ne", "\t$b_s3, $h")>; 646 647def MOV_S_rs3 : 648 F16_OP_HREG<0b011, (outs GPR32:$h), (ins immC<3>:$b_s3), 649 !strconcat("mov_s", "\t$h, $b_s3")>; 650 651def MOV_S_s3 : 652 F16_OP_HREG30<0b011, (outs), (ins immC<3>:$b_s3), 653 !strconcat("mov_s", "\t0, $b_s3")>; 654 655def CMP_S_rlimm : 656 F16_OP_HREG_LIMM<0b100, (outs GPR32:$b_s3), (ins i32imm:$LImm), 657 !strconcat("cmp_s", "\t$b_s3, $LImm")>; 658 659def CMP_S_rr : 660 F16_OP_HREG<0b100, (outs GPR32:$b_s3), (ins GPR32:$h), 661 !strconcat("cmp_s", "\t$b_s3, $h")>; 662 663def CMP_S_rs3 : 664 F16_OP_HREG<0b101, (outs GPR32:$h), (ins immC<3>:$b_s3), 665 !strconcat("cmp_s", "\t$h, $b_s3")>; 666 667def CMP_S_limms3 : 668 F16_OP_HREG_LIMM<0b101, (outs), (ins immC<3>:$b_s3, i32imm:$LImm), 669 !strconcat("cmp_s", "\t$LImm, $b_s3")>; 670 671//---------------------------------------------------------------------------- 672// Compact MOV/ADD/CMP Immediate instructions. 673//---------------------------------------------------------------------------- 674def MOV_S_u8 : 675 F16_OP_IMM<0b11011, (outs GPR32:$b), (ins immU<8>:$u8), 676 !strconcat("mov_s", "\t$b, $u8")> { 677 bits<8> u8; 678 let Inst{7-0} = u8; 679} 680 681def ADD_S_u7 : 682 F16_OP_U7<0b0, !strconcat("add_s", "\t$b, $b, $u7")>; 683 684def CMP_S_u7 : 685 F16_OP_U7<0b1, !strconcat("cmp_s", "\t$b, $u7")>; 686 687//---------------------------------------------------------------------------- 688// Compact Load/Store instructions with offset. 689//---------------------------------------------------------------------------- 690def LD_S_OFF : 691 F16_LD_ST_WORD_OFF<0x10, (outs GPR32:$c), (ins GPR32:$b, immU<7>:$off), 692 "ld_s">; 693 694def LDB_S_OFF : 695 F16_LD_ST_BYTE_OFF<0x11, (outs GPR32:$c), (ins GPR32:$b, immU<5>:$off), 696 "ldb_s">; 697 698class F16_LDH_OFF<bits<5> opc, string asmstr> : 699 F16_LD_ST_HALF_OFF<opc, (outs GPR32:$c), (ins GPR32:$b, immU<6>:$off), 700 asmstr>; 701 702def LDH_S_OFF : F16_LDH_OFF<0x12, "ldh_s">; 703def LDH_S_X_OFF : F16_LDH_OFF<0x13, "ldh_s.x">; 704 705def ST_S_OFF : 706 F16_LD_ST_WORD_OFF<0x14, (outs), (ins GPR32:$c, GPR32:$b, immU<7>:$off), 707 "st_s">; 708 709def STB_S_OFF : 710 F16_LD_ST_BYTE_OFF<0x15, (outs), (ins GPR32:$c, GPR32:$b, immU<5>:$off), 711 "stb_s">; 712 713def STH_S_OFF : 714 F16_LD_ST_HALF_OFF<0x16, (outs), (ins GPR32:$c, GPR32:$b, immU<6>:$off), 715 "sth_s">; 716 717//---------------------------------------------------------------------------- 718// General compact instructions. 719//---------------------------------------------------------------------------- 720def GEN_SUB_S : F16_GEN_DOP<0x02, "sub_s">; 721def GEN_AND_S : F16_GEN_DOP<0x04, "and_s">; 722def GEN_OR_S : F16_GEN_DOP<0x05, "or_s">; 723def GEN_BIC_S : F16_GEN_DOP<0x06, "bic_s">; 724def GEN_XOR_S : F16_GEN_DOP<0x07, "xor_s">; 725def GEN_MPYW_S : F16_GEN_DOP<0x09, "mpyw_s">; 726def GEN_MPYUW_S : F16_GEN_DOP<0x0a, "mpyuw_s">; 727def GEN_TST_S : F16_GEN_DOP_NODST<0x0b, "tst_s">; 728def GEN_MPY_S : F16_GEN_DOP<0x0c, "mpy_s">; 729def GEN_SEXB_S : F16_GEN_DOP_SINGLESRC<0x0d, "sexb_s">; 730def GEN_SEXH_S : F16_GEN_DOP_SINGLESRC<0x0e, "sexh_s">; 731def GEN_EXTB_S : F16_GEN_DOP_SINGLESRC<0x0f, "extb_s">; 732def GEN_EXTH_S : F16_GEN_DOP_SINGLESRC<0x10, "exth_s">; 733def GEN_ABS_S : F16_GEN_DOP_SINGLESRC<0x11, "abs_s">; 734def GEN_NOT_S : F16_GEN_DOP_SINGLESRC<0x12, "not_s">; 735def GEN_NEG_S : F16_GEN_DOP_SINGLESRC<0x13, "neg_s">; 736def GEN_ADD1_S : F16_GEN_DOP<0x14, "add1_s">; 737def GEN_ADD2_S : F16_GEN_DOP<0x15, "add2_s">; 738def GEN_ADD3_S : F16_GEN_DOP<0x16, "add3_s">; 739def GEN_ASL_S : F16_GEN_DOP<0x18, "asl_s">; 740def GEN_LSR_S : F16_GEN_DOP<0x19, "lsr_s">; 741def GEN_ASR_S : F16_GEN_DOP<0x1a, "asr_s">; 742def GEN_AS1L_S : F16_GEN_DOP_SINGLESRC<0x1b, "asl_s">; 743def GEN_AS1R_S : F16_GEN_DOP_SINGLESRC<0x1c, "asr_s">; 744def GEN_LS1R_S : F16_GEN_DOP_SINGLESRC<0x1d, "lsr_s">; 745def GEN_TRAP_S : F16_GEN_DOP_BASE<0x1e, (outs), (ins immU6:$u6), 746 "trap_s\t$u6"> { 747 748 bits<6> u6; 749 let b = u6{5-3}; 750 let c = u6{2-0}; 751} 752 753def GEN_BRK_S : F16_GEN_DOP_BASE<0x1f, (outs), (ins), 754 "brk_s"> { 755 756 let b = 0b111; 757 let c = 0b111; 758} 759 760let isBarrier = 1 in { 761 let isBranch = 1 in { 762 def GEN_J_S : F16_GEN_SOP<0x0, "j_s\t[$b]">; 763 def GEN_J_S_D : F16_GEN_SOP<0x1, "j_s.d\t[$b]">; 764 } // let isBranch 765 766 let isCall = 1 in { 767 def GEN_JL_S : F16_GEN_SOP<0x2, "jl_s\t[$b]">; 768 def GEN_JL_S_D : F16_GEN_SOP<0x3, "jl_s.d\t[$b]">; 769 } // let isCall 770} // let isBarrier 771 772def GEN_SUB_S_NE : F16_GEN_SOP<0x6, "sub_s.ne\t$b, $b, $b">; 773 774def GEN_NOP_S : F16_GEN_ZOP<0x0, "nop_s">; 775def GEN_UNIMP_S : F16_GEN_ZOP<0x1, "unimp_s">; 776def GEN_SWI_S : F16_GEN_ZOP<0x2, "swi_s">; 777 778let isReturn = 1, isTerminator = 1 in { 779 def GEN_JEQ_S : F16_GEN_ZOP<0x4, "jeq_s\t[%blink]">; 780 def GEN_JNE_S : F16_GEN_ZOP<0x5, "jne_s\t[%blink]">; 781 let isBarrier = 1 in { 782 //def GEN_J_S_BLINK : F16_GEN_ZOP<0x6, "j_s\t[%blink]">; 783 def GEN_J_S_D_BLINK : F16_GEN_ZOP<0x7, "j_s.d\t[%blink]">; 784 } // let isBarrier 785} // let isReturn, isTerminator 786 787//---------------------------------------------------------------------------- 788// Load/Store instructions. 789//---------------------------------------------------------------------------- 790 791// Load instruction variants: 792// Control bits: x, aa, di, zz 793// x - sign extend. 794// aa - incrementing mode. (N/A for LIMM). 795// di - uncached. 796// zz - data size. 797multiclass ArcLdInst<bits<2> zz, string asmop> { 798 let mayLoad = 1 in { 799 def _rs9 : F32_LD_ADDR<0, 0b00, 0, zz, 800 (outs GPR32:$A), (ins MEMrs9:$addr), 801 !strconcat(asmop, "\t$A, [$addr]"), []>; 802 803 def _limm : F32_LD_LIMM<0, 0, zz, 804 (outs GPR32:$A), (ins MEMii:$addr), 805 !strconcat(asmop, "\t$A, [$addr]"), []>; 806 807 def _rlimm : F32_LD_RLIMM<0, 0b00, 0, zz, 808 (outs GPR32:$A), (ins MEMrlimm:$addr), 809 !strconcat(asmop, "\t$A, [$addr]"), []>; 810 811 def _X_rs9 : F32_LD_ADDR<1, 0b00, 0, zz, 812 (outs GPR32:$A), (ins MEMrs9:$addr), 813 !strconcat(asmop, ".x\t$A, [$addr]"), []>; 814 815 def _X_limm : F32_LD_LIMM<1, 0, zz, 816 (outs GPR32:$A), (ins MEMii:$addr), 817 !strconcat(asmop, ".x\t$A, [$addr]"), []>; 818 819 def _X_rlimm : F32_LD_RLIMM<1, 0b00, 0, zz, 820 (outs GPR32:$A), (ins MEMrlimm:$addr), 821 !strconcat(asmop, ".x\t$A, [$addr]"), []>; 822 823 def _AB_rs9 : F32_LD_RS9<0, 0b10, 0, zz, 824 (outs GPR32:$addrout, GPR32:$A), 825 (ins GPR32:$B, immS<9>:$S9), 826 !strconcat(asmop, ".ab\t$A, [$B,$S9]"), []> 827 { let Constraints = "$addrout = $B"; } 828 } 829} 830 831// Load instruction definitions. 832defm LD : ArcLdInst<0b00, "ld">; 833defm LDH : ArcLdInst<0b10, "ldh">; 834defm LDB : ArcLdInst<0b01, "ldb">; 835 836// Load instruction patterns. 837// 32-bit loads. 838def : Pat<(load AddrModeS9:$addr), (LD_rs9 AddrModeS9:$addr)>; 839def : Pat<(load AddrModeImm:$addr), (LD_limm AddrModeImm:$addr)>; 840def : Pat<(load AddrModeFar:$addr), (LD_rs9 AddrModeFar:$addr)>; 841 842// 16-bit loads 843def : Pat<(zextloadi16 AddrModeS9:$addr), (LDH_rs9 AddrModeS9:$addr)>; 844def : Pat<(extloadi16 AddrModeS9:$addr), (LDH_rs9 AddrModeS9:$addr)>; 845def : Pat<(zextloadi16 AddrModeImm:$addr), (LDH_limm AddrModeImm:$addr)>; 846def : Pat<(extloadi16 AddrModeImm:$addr), (LDH_limm AddrModeImm:$addr)>; 847def : Pat<(zextloadi16 AddrModeFar:$addr), (LDH_rlimm AddrModeFar:$addr)>; 848def : Pat<(extloadi16 AddrModeFar:$addr), (LDH_rlimm AddrModeFar:$addr)>; 849def : Pat<(sextloadi16 AddrModeImm:$addr),(LDH_X_limm AddrModeImm:$addr)>; 850def : Pat<(sextloadi16 AddrModeFar:$addr),(LDH_X_rlimm AddrModeFar:$addr)>; 851def : Pat<(sextloadi16 AddrModeS9:$addr),(LDH_X_rs9 AddrModeS9:$addr)>; 852 853// 8-bit loads. 854def : Pat<(zextloadi8 AddrModeS9:$addr), (LDB_rs9 AddrModeS9:$addr)>; 855def : Pat<(extloadi8 AddrModeS9:$addr), (LDB_rs9 AddrModeS9:$addr)>; 856def : Pat<(zextloadi8 AddrModeImm:$addr), (LDB_limm AddrModeImm:$addr)>; 857def : Pat<(extloadi8 AddrModeImm:$addr), (LDB_limm AddrModeImm:$addr)>; 858def : Pat<(zextloadi8 AddrModeFar:$addr), (LDB_rlimm AddrModeFar:$addr)>; 859def : Pat<(extloadi8 AddrModeFar:$addr), (LDB_rlimm AddrModeFar:$addr)>; 860def : Pat<(zextloadi1 AddrModeS9:$addr), (LDB_rs9 AddrModeS9:$addr)>; 861def : Pat<(extloadi1 AddrModeS9:$addr), (LDB_rs9 AddrModeS9:$addr)>; 862def : Pat<(zextloadi1 AddrModeImm:$addr), (LDB_limm AddrModeImm:$addr)>; 863def : Pat<(extloadi1 AddrModeImm:$addr), (LDB_limm AddrModeImm:$addr)>; 864def : Pat<(zextloadi1 AddrModeFar:$addr), (LDB_rlimm AddrModeFar:$addr)>; 865def : Pat<(extloadi1 AddrModeFar:$addr), (LDB_rlimm AddrModeFar:$addr)>; 866def : Pat<(sextloadi8 AddrModeImm:$addr),(LDB_X_limm AddrModeImm:$addr)>; 867def : Pat<(sextloadi8 AddrModeFar:$addr),(LDB_X_rlimm AddrModeFar:$addr)>; 868def : Pat<(sextloadi8 AddrModeS9:$addr),(LDB_X_rs9 AddrModeS9:$addr)>; 869 870 871// Store instruction variants: 872// Control bits: aa, di, zz 873// aa - incrementing mode. (N/A for LIMM). 874// di - uncached. 875// zz - data size. 876multiclass ArcStInst<bits<2> zz, string asmop> { 877 let mayStore = 1 in { 878 def _rs9 : F32_ST_ADDR<0b00, 0, zz, (outs), (ins GPR32:$C, MEMrs9:$addr), 879 !strconcat(asmop, "\t$C, [$addr]"), []>; 880 881 def _limm : F32_ST_LIMM<0, zz, (outs), (ins GPR32:$C, MEMii:$addr), 882 !strconcat(asmop, "\t$C, [$addr]"), []>; 883 884 def _AW_rs9 : F32_ST_RS9<0b01, 0, zz, (outs GPR32:$addrout), 885 (ins GPR32:$C, GPR32:$B, immS<9>:$S9), 886 !strconcat(asmop, ".aw\t$C, [$B,$S9]"), []> 887 { let Constraints = "$addrout = $B"; } 888 } 889} 890 891// Store instruction definitions. 892defm ST : ArcStInst<0b00, "st">; 893defm STH : ArcStInst<0b10, "sth">; 894defm STB : ArcStInst<0b01, "stb">; 895 896// Store instruction patterns. 897// 32-bit stores 898def : Pat<(store i32:$C, AddrModeS9:$addr), 899 (ST_rs9 i32:$C, AddrModeS9:$addr)>; 900def : Pat<(store i32:$C, AddrModeImm:$addr), 901 (ST_limm i32:$C, AddrModeImm:$addr)>; 902 903// 16-bit stores 904def : Pat<(truncstorei16 i32:$C, AddrModeS9:$addr), 905 (STH_rs9 i32:$C, AddrModeS9:$addr)>; 906def : Pat<(truncstorei16 i32:$C, AddrModeImm:$addr), 907 (STH_limm i32:$C, AddrModeImm:$addr)>; 908 909// 8-bit stores 910def : Pat<(truncstorei8 i32:$C, AddrModeS9:$addr), 911 (STB_rs9 i32:$C, AddrModeS9:$addr)>; 912def : Pat<(truncstorei8 i32:$C, AddrModeImm:$addr), 913 (STB_limm i32:$C, AddrModeImm:$addr)>; 914 915