1 //===- ARCInstrInfo.td - Target Description for ARC --------*- tablegen -*-===//
3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4 // See https://llvm.org/LICENSE.txt for license information.
5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
7 //===----------------------------------------------------------------------===//
9 // This file describes the ARC instructions in TableGen format.
11 //===----------------------------------------------------------------------===//
13 include "ARCInstrFormats.td"
15 // ---------------------------------------------------------------------------
16 // Selection DAG Nodes.
17 // ---------------------------------------------------------------------------
19 // Selection DAG types.
20 def SDT_ARCcmptst : SDTypeProfile<0, 2, [SDTCisSameAs<0, 1>]>;
21 def SDT_ARCcmov : SDTypeProfile<1, 3, [SDTCisSameAs<0, 1>]>;
22 def SDT_ARCmov : SDTypeProfile<1, 1, [SDTCisSameAs<0, 1>]>;
23 def SDT_ARCbrcc : SDTypeProfile<0, 4, []>;
24 def SDT_ARCBranchLink : SDTypeProfile<0, 1, [SDTCisPtrTy<0>]>;
25 def SDT_ARCCallSeqStart : SDCallSeqStart<[ SDTCisVT<0, i32>,
27 def SDT_ARCCallSeqEnd : SDCallSeqEnd<[ SDTCisVT<0, i32>,
32 def ARCGAWrapper : SDNode<"ARCISD::GAWRAPPER", SDT_ARCmov, []>;
35 def ARCcmp : SDNode<"ARCISD::CMP", SDT_ARCcmptst, [SDNPOutGlue]>;
38 def ARCcmov : SDNode<"ARCISD::CMOV", SDT_ARCcmov, [SDNPInGlue]>;
41 def ARCbrcc : SDNode<"ARCISD::BRcc", SDT_ARCbrcc,
42 [SDNPHasChain, SDNPInGlue, SDNPOutGlue]>;
45 def ARCBranchLink : SDNode<"ARCISD::BL",SDT_ARCBranchLink,
46 [SDNPHasChain, SDNPOptInGlue, SDNPOutGlue,
50 def ARCJumpLink : SDNode<"ARCISD::JL",SDT_ARCBranchLink,
51 [SDNPHasChain, SDNPOptInGlue, SDNPOutGlue,
54 def ret : SDNode<"ARCISD::RET", SDTNone,
55 [SDNPHasChain, SDNPOptInGlue, SDNPVariadic]>;
57 // Call sequencing nodes.
58 // These are target-independent nodes, but have target-specific formats.
59 def callseq_start : SDNode<"ISD::CALLSEQ_START", SDT_ARCCallSeqStart,
60 [SDNPHasChain, SDNPOutGlue]>;
61 def callseq_end : SDNode<"ISD::CALLSEQ_END", SDT_ARCCallSeqEnd,
62 [SDNPHasChain, SDNPOptInGlue, SDNPOutGlue]>;
64 //===----------------------------------------------------------------------===//
65 // Instruction Pattern Stuff
66 //===----------------------------------------------------------------------===//
68 def imm32 : ImmLeaf<i32, [{
69 return (Imm & 0xFFFFFFFF) == Imm;
73 def FrameADDR_ri : ComplexPattern<i32, 2, "SelectFrameADDR_ri",
74 [add, frameindex], []>;
75 def AddrModeS9 : ComplexPattern<i32, 2, "SelectAddrModeS9", []>;
76 def AddrModeImm : ComplexPattern<i32, 2, "SelectAddrModeImm", []>;
77 def AddrModeFar : ComplexPattern<i32, 2, "SelectAddrModeFar", []>;
79 //===----------------------------------------------------------------------===//
80 // Instruction Class Templates
81 //===----------------------------------------------------------------------===//
83 //===----------------------------------------------------------------------===//
84 // Pseudo Instructions
85 //===----------------------------------------------------------------------===//
87 let Defs = [SP], Uses = [SP] in {
88 def ADJCALLSTACKDOWN : PseudoInstARC<(outs), (ins i32imm:$amt, i32imm:$amt2),
89 "# ADJCALLSTACKDOWN $amt, $amt2",
90 [(callseq_start timm:$amt, timm:$amt2)]>;
91 def ADJCALLSTACKUP : PseudoInstARC<(outs), (ins i32imm:$amt1, i32imm:$amt2),
92 "# ADJCALLSTACKUP $amt1",
93 [(callseq_end timm:$amt1, timm:$amt2)]>;
96 def GETFI : PseudoInstARC<(outs GPR32:$dst), (ins MEMii:$addr),
98 [(set GPR32:$dst, FrameADDR_ri:$addr)]>;
101 def ST_FAR : PseudoInstARC<(outs), (ins GPR32:$dst, MEMrlimm:$addr),
102 "ST_FAR $dst, $addr",
103 [(store GPR32:$dst, AddrModeFar:$addr)]>;
105 def STH_FAR : PseudoInstARC<(outs), (ins GPR32:$dst, MEMrlimm:$addr),
106 "STH_FAR $dst, $addr",
107 [(truncstorei16 GPR32:$dst, AddrModeFar:$addr)]>;
109 def STB_FAR : PseudoInstARC<(outs), (ins GPR32:$dst, MEMrlimm:$addr),
110 "STB_FAR $dst, $addr",
111 [(truncstorei8 GPR32:$dst, AddrModeFar:$addr)]>;
113 //===----------------------------------------------------------------------===//
114 // Instruction Generation multiclasses.
115 // Generate many variants of a single instruction with a single defining
116 // multiclass. These classes do not contain Selection DAG patterns.
117 //===----------------------------------------------------------------------===//
119 // Generic 3 operand binary instructions (i.e., add r0, r1, r2).
120 multiclass ArcBinaryInst<bits<5> major, bits<6> mincode,
122 // 3 register variant.
123 def _rrr : F32_DOP_RR<major, mincode, 0, (outs GPR32:$A),
124 (ins GPR32:$B, GPR32:$C),
125 !strconcat(opasm, "\t$A, $B, $C"),
127 def _f_rrr : F32_DOP_RR<major, mincode, 1, (outs GPR32:$A),
128 (ins GPR32:$B, GPR32:$C),
129 !strconcat(opasm, ".f\t$A, $B, $C"),
131 { let Defs = [STATUS32]; }
133 // 2 register with unsigned 6-bit immediate variant.
134 def _rru6 : F32_DOP_RU6<major, mincode, 0, (outs GPR32:$A),
135 (ins GPR32:$B, immU6:$U6),
136 !strconcat(opasm, "\t$A, $B, $U6"),
138 def _f_rru6 : F32_DOP_RU6<major, mincode, 1, (outs GPR32:$A),
139 (ins GPR32:$B, immU6:$U6),
140 !strconcat(opasm, ".f\t$A, $B, $U6"),
142 { let Defs = [STATUS32]; }
144 // 2 register with 32-bit immediate variant.
145 def _rrlimm : F32_DOP_RLIMM<major, mincode, 0,
147 (ins GPR32:$B, i32imm:$LImm),
148 !strconcat(opasm, "\t$A, $B, $LImm"),
150 def _f_rrlimm : F32_DOP_RLIMM<major, mincode, 1,
152 (ins GPR32:$B, i32imm:$LImm),
153 !strconcat(opasm, ".f\t$A, $B, $LImm"),
155 { let Defs = [STATUS32]; }
157 // 2 matched-register with signed 12-bit immediate variant (add r0, r0, -1).
158 def _rrs12 : F32_DOP_RS12<major, mincode, 0,
160 (ins GPR32:$in, immS<12>:$S12),
161 !strconcat(opasm, "\t$B, $in, $S12"),
163 { let Constraints = "$B = $in"; }
164 def _f_rrs12 : F32_DOP_RS12<major, mincode, 1,
166 (ins GPR32:$in, immS<12>:$S12),
167 !strconcat(opasm, ".f\t$B, $in, $S12"),
169 { let Constraints = "$B = $in"; let Defs = [STATUS32]; }
172 // Special multivariant GEN4 DOP format instruction that take 2 registers.
173 // This is the class that is used for various comparison instructions.
174 multiclass ArcSpecialDOPInst<bits<6> subop, string opasm, bit F> {
175 def _rr : F32_DOP_RR<0b00100, subop, F, (outs), (ins GPR32:$B, GPR32:$C),
176 !strconcat(opasm, "\t$B, $C"),
179 def _ru6 : F32_DOP_RU6<0b00100, subop, F, (outs), (ins GPR32:$B, i32imm:$U6),
180 !strconcat(opasm, "\t$B, $U6"),
183 def _rlimm : F32_DOP_RLIMM<0b00100, subop, F, (outs),
184 (ins GPR32:$B, i32imm:$LImm),
185 !strconcat(opasm, "\t$B, $LImm"),
189 // Generic 2-operand unary instructions.
190 multiclass ArcUnaryInst<bits<5> major, bits<6> subop,
192 def _rr : F32_SOP_RR<major, subop, 0, (outs GPR32:$B), (ins GPR32:$C),
193 !strconcat(opasm, "\t$B, $C"), []>;
195 def _f_rr : F32_SOP_RR<major, subop, 1, (outs GPR32:$B), (ins GPR32:$C),
196 !strconcat(opasm, ".f\t$B, $C"), []>
197 { let Defs = [STATUS32]; }
201 multiclass ArcBinaryGEN4Inst<bits<6> mincode, string opasm> :
202 ArcBinaryInst<0b00100, mincode, opasm>;
203 multiclass ArcBinaryEXT5Inst<bits<6> mincode, string opasm> :
204 ArcBinaryInst<0b00101, mincode, opasm>;
206 multiclass ArcUnaryGEN4Inst<bits<6> mincode, string opasm> :
207 ArcUnaryInst<0b00100, mincode, opasm>;
209 // Pattern generation for differnt instruction variants.
210 multiclass MultiPat<SDPatternOperator InFrag,
211 Instruction RRR, Instruction RRU6, Instruction RRLImm> {
212 def _rrr : Pat<(InFrag i32:$B, i32:$C), (RRR i32:$B, i32:$C)>;
213 def _rru6 : Pat<(InFrag i32:$B, immU6:$U6), (RRU6 i32:$B, immU6:$U6)>;
214 def _rrlimm : Pat<(InFrag i32:$B, imm32:$LImm), (RRLImm i32:$B, imm32:$LImm)>;
217 // ---------------------------------------------------------------------------
218 // Instruction defintions and patterns for 3 operand binary instructions.
219 // ---------------------------------------------------------------------------
221 // Definitions for 3 operand binary instructions.
222 defm ADD : ArcBinaryGEN4Inst<0b000000, "add">;
223 defm SUB : ArcBinaryGEN4Inst<0b000010, "sub">;
224 defm SUB1 : ArcBinaryGEN4Inst<0b010111, "sub1">;
225 defm SUB2 : ArcBinaryGEN4Inst<0b011000, "sub2">;
226 defm SUB3 : ArcBinaryGEN4Inst<0b011001, "sub3">;
227 defm OR : ArcBinaryGEN4Inst<0b000101, "or">;
228 defm AND : ArcBinaryGEN4Inst<0b000100, "and">;
229 defm XOR : ArcBinaryGEN4Inst<0b000111, "xor">;
230 defm MAX : ArcBinaryGEN4Inst<0b001000, "max">;
231 defm MIN : ArcBinaryGEN4Inst<0b001001, "min">;
232 defm ASL : ArcBinaryEXT5Inst<0b000000, "asl">;
233 defm LSR : ArcBinaryEXT5Inst<0b000001, "lsr">;
234 defm ASR : ArcBinaryEXT5Inst<0b000010, "asr">;
235 defm ROR : ArcBinaryEXT5Inst<0b000011, "ror">;
236 defm MPY : ArcBinaryGEN4Inst<0b011010, "mpy">;
237 defm MPYM : ArcBinaryGEN4Inst<0b011011, "mpym">;
238 defm MPYMU : ArcBinaryGEN4Inst<0b011100, "mpymu">;
239 defm SETEQ : ArcBinaryGEN4Inst<0b111000, "seteq">;
241 // Patterns for 3 operand binary instructions.
242 defm : MultiPat<add, ADD_rrr, ADD_rru6, ADD_rrlimm>;
243 defm : MultiPat<sub, SUB_rrr, SUB_rru6, SUB_rrlimm>;
244 defm : MultiPat<or, OR_rrr, OR_rru6, OR_rrlimm>;
245 defm : MultiPat<and, AND_rrr, AND_rru6, AND_rrlimm>;
246 defm : MultiPat<xor, XOR_rrr, XOR_rru6, XOR_rrlimm>;
247 defm : MultiPat<smax, MAX_rrr, MAX_rru6, MAX_rrlimm>;
248 defm : MultiPat<smin, MIN_rrr, MIN_rru6, MIN_rrlimm>;
249 defm : MultiPat<shl, ASL_rrr, ASL_rru6, ASL_rrlimm>;
250 defm : MultiPat<srl, LSR_rrr, LSR_rru6, LSR_rrlimm>;
251 defm : MultiPat<sra, ASR_rrr, ASR_rru6, ASR_rrlimm>;
252 defm : MultiPat<rotr, ROR_rrr, ROR_rru6, ROR_rrlimm>;
253 defm : MultiPat<mul, MPY_rrr, MPY_rru6, MPY_rrlimm>;
254 defm : MultiPat<mulhs, MPYM_rrr, MPYM_rru6, MPYM_rrlimm>;
255 defm : MultiPat<mulhu, MPYMU_rrr, MPYMU_rru6, MPYMU_rrlimm>;
257 // ---------------------------------------------------------------------------
258 // Unary Instruction definitions.
259 // ---------------------------------------------------------------------------
260 // General unary instruction definitions.
261 defm SEXB : ArcUnaryGEN4Inst<0b000101, "sexb">;
262 defm SEXH : ArcUnaryGEN4Inst<0b000110, "sexh">;
264 // General Unary Instruction fragments.
265 def : Pat<(sext_inreg i32:$a, i8), (SEXB_rr i32:$a)>;
266 def : Pat<(sext_inreg i32:$a, i16), (SEXH_rr i32:$a)>;
268 // Comparison instruction definition
269 let isCompare = 1, Defs = [STATUS32] in {
270 defm CMP : ArcSpecialDOPInst<0b001100, "cmp", 1>;
273 def cmp : PatFrag<(ops node:$op1, node:$op2), (ARCcmp $op1, $op2)>;
274 defm : MultiPat<cmp, CMP_rr, CMP_ru6, CMP_rlimm>;
276 // ---------------------------------------------------------------------------
277 // MOV instruction and variants (conditional mov).
278 // ---------------------------------------------------------------------------
279 let isReMaterializable = 1, isAsCheapAsAMove = 1, isMoveImm = 1 in {
280 def MOV_rs12 : F32_DOP_RS12<0b00100, 0b001010, 0,
281 (outs GPR32:$B), (ins immS<12>:$S12),
283 [(set GPR32:$B, immS<12>:$S12)]>;
286 def MOV_rr : F32_DOP_RR<0b00100, 0b001010, 0,
287 (outs GPR32:$B), (ins GPR32:$C),
290 def MOV_rlimm : F32_DOP_RLIMM<0b00100, 0b001010, 0,
291 (outs GPR32:$B), (ins i32imm:$LImm),
292 "mov\t$B, $LImm", []>;
294 def MOV_ru6 : F32_DOP_RU6<0b00100, 0b001010, 0,
295 (outs GPR32:$B), (ins immU6:$U6),
298 def cmov : PatFrag<(ops node:$op1, node:$op2, node:$cc),
299 (ARCcmov $op1, $op2, $cc)>;
300 let Uses = [STATUS32] in {
301 def MOVcc : F32_DOP_CC_RR<0b00100, 0b001010, 0,
303 (ins GPR32:$C, GPR32:$fval, cmovpred:$cc),
304 !strconcat("mov.", "$cc\t$B, $C"),
305 [(set GPR32:$B, (cmov i32:$C, i32:$fval, cmovpred:$cc))]> {
306 let Constraints = "$B = $fval";
309 def : Pat<(ARCGAWrapper tglobaladdr:$addr),
310 (MOV_rlimm tglobaladdr:$addr)>;
312 def : Pat<(ARCGAWrapper tjumptable:$addr),
313 (MOV_rlimm tjumptable:$addr)>;
316 // ---------------------------------------------------------------------------
317 // Control flow instructions (branch, return, calls, etc).
318 // ---------------------------------------------------------------------------
320 // Branch instructions
321 let isBranch = 1, isTerminator = 1 in {
323 // Unconditional branch.
325 def BR : F32_BR0_UCOND_FAR<(outs), (ins btargetS25:$S25),
326 "b\t$S25", [(br bb:$S25)]>;
328 let Uses=[STATUS32] in
329 // Conditional branch.
330 def Bcc : F32_BR0_COND<(outs), (ins btargetS21:$S21, ccond:$cc),
333 // Compare and branch (limited range).
334 def BRcc_rr : F32_BR1_BCC<(outs),
335 (ins btargetS9:$S9, GPR32:$B, GPR32:$C, brccond:$cc),
336 "br$cc\t$B, $C, $S9", 0, []>;
337 def BRcc_ru6 : F32_BR1_BCC<(outs),
338 (ins btargetS9:$S9, GPR32:$B, immU6:$C, brccond:$cc),
339 "br$cc\t$B, $C, $S9", 1, []>;
341 // Pseudo compare and branch.
342 // After register allocation, this can expand into either a limited range
343 // Compare and branch (BRcc), or into CMP + Bcc.
344 // At worst, this expands into 2 4-byte instructions.
345 def BRcc_rr_p : PseudoInstARC<(outs),
346 (ins btarget:$T, GPR32:$B, GPR32:$C, ccond:$cc),
347 "pbr$cc\t$B, $C, $T",
348 [(ARCbrcc bb:$T, i32:$B, i32:$C, imm32:$cc)]>
351 def BRcc_ru6_p : PseudoInstARC<(outs),
352 (ins btarget:$T, GPR32:$B, i32imm:$C, ccond:$cc),
353 "pbr$cc\t$B, $C, $T",
354 [(ARCbrcc bb:$T, i32:$B, immU6:$C, imm32:$cc)]>
356 } // let isBranch, isTerminator
358 // Unconditional Jump.
359 let isBranch = 1, isTerminator = 1, isBarrier = 1 in {
361 let isIndirectBranch = 1 in
362 def J : F32_DOP_RR<0b00100, 0b100000, 0,
363 (outs), (ins GPR32:$C),
364 "j\t[$C]", [(brind i32:$C)]>;
367 def J_LImm : F32_DOP_RLIMM<0b00100, 0b100000, 0,
368 (outs), (ins i32imm:$LImm),
372 // Call instructions.
373 let isCall = 1, isBarrier = 1, Defs = [BLINK], Uses = [SP] in {
374 // Direct unconditional call.
375 def BL : F32_BR1_BL_UCOND_FAR<(outs), (ins calltargetS25:$S25),
376 "bl\t$S25", [(ARCBranchLink tglobaladdr:$S25)]>;
378 // Indirect unconditional call.
379 let isIndirectBranch = 1 in
380 def JL : F32_DOP_RR<0b00100, 0b100010, 0, (outs), (ins GPR32:$C),
381 "jl\t[$C]", [(ARCJumpLink i32:$C)]>;
383 // Direct unconditional call.
384 def JL_LImm : F32_DOP_RLIMM<0b00100, 0b100010, 0, (outs), (ins i32imm:$LImm),
386 } // let isCall, isBarrier, Defs, Uses
388 // Pattern to generate BL instruction.
389 def : Pat<(ARCBranchLink texternalsym:$dst), (BL texternalsym:$dst)>;
392 let isReturn = 1, isTerminator = 1, isBarrier = 1 in
393 // This is a specialized 2-byte instruction that doesn't generalize
394 // to any larger 2-byte class, so go ahead and define it here.
395 def J_S_BLINK : InstARC<2, (outs), (ins), "j_s\t[%blink]", [(ret)]> {
396 let Inst{15-0} = 0b0111111011100000;
399 //----------------------------------------------------------------------------
400 // Compact stack-based operations.
401 //----------------------------------------------------------------------------
403 // 2-byte push/pop blink instructions commonly used for prolog/epilog
404 // generation. These 2 instructions are actually specialized 2-byte
405 // format instructions that aren't generalized to a larger 2-byte
406 // class, so we might as well have them here.
407 let Uses = [BLINK], Defs = [SP] in
408 def PUSH_S_BLINK : F16_SP_OPS_buconst<0b111, "push_s">;
410 let Defs = [BLINK, SP] in
411 def POP_S_BLINK : F16_SP_OPS_buconst<0b110, "pop_s">;
413 def PUSH_S_r : F16_SP_OPS_uconst<0b110,
414 (outs), (ins GPR32Reduced:$b3), "push_s">;
415 def POP_S_r : F16_SP_OPS_uconst<0b111,
416 (outs GPR32Reduced:$b3), (ins), "pop_s">;
418 def SP_SUB_SP_S : F16_SP_OPS_bconst<0b001, "sub_s">;
419 def SP_ADD_SP_S : F16_SP_OPS_bconst<0b000, "add_s">;
420 def SP_ADD_S : F16_SP_OPS_u7_aligned<0b100,
421 (outs GPR32Reduced:$b3), (ins immU<7>:$u7),
422 "add_s\t$b3, %sp, $u7">;
424 def SP_LD_S : F16_SP_LD<0b000, "ld_s">;
425 def SP_LDB_S : F16_SP_LD<0b001, "ldb_s">;
426 def SP_ST_S : F16_SP_ST<0b010, "st_s">;
427 def SP_STB_S : F16_SP_ST<0b011, "stb_s">;
429 def LEAVE_S : F16_SP_OPS<0b110,
430 (outs), (ins immU<7>:$u7), "leave_s\t$u7"> {
434 let fieldB = u7{6-4};
435 let fieldU{4-1} = u7{3-0};
439 def ENTER_S : F16_SP_OPS<0b111,
440 (outs), (ins immU<6>:$u6), "enter_s\t$u6"> {
445 let fieldB{1-0} = u6{5-4};
446 let fieldU{4-1} = u6{3-0};
450 //----------------------------------------------------------------------------
451 // Compact Move/Load instructions.
452 //----------------------------------------------------------------------------
453 class COMPACT_MOV_S :
454 F16_COMPACT<0b0, (outs GPR32:$g), (ins GPR32:$h),
456 let DecoderMethod = "DecodeMoveHRegInstruction";
459 def COMPACT_MOV_S_limm : COMPACT_MOV_S {
461 let Inst{47-16} = LImm;
463 bits<5> LImmReg = 0b11110;
464 let Inst{7-5} = LImmReg{2-0};
465 let Inst{1-0} = LImmReg{4-3};
470 def COMPACT_MOV_S_hreg : COMPACT_MOV_S;
473 F16_COMPACT<0b1, (outs GPR32:$r), (ins GPR32:$h, immU<5>:$u5),
474 "ld_s\t$r, [$h, $u5]"> {
478 let Inst{10} = u5{4};
480 let Inst{4-3} = u5{3-2};
484 //----------------------------------------------------------------------------
485 // Compact Load/Add/Sub.
486 //----------------------------------------------------------------------------
487 def LD_S_AS_rrr : F16_LD_SUB<0b0, "ld_s.as\t$a, [$b, $c]">;
488 def SUB_S_rrr : F16_LD_SUB<0b1, "sub_s\t$a, $b, $c">;
489 def ADD_S_rru6 : F16_ADD;
491 //----------------------------------------------------------------------------
492 // Compact Load/Store.
493 //----------------------------------------------------------------------------
494 def LD_S_s11 : F16_LD_ST_s11<0b0, "ld_s\t%r1, [%gp, $s11]">;
495 def ST_S_s11 : F16_LD_ST_s11<0b1, "st_s\t%r0, [%gp, $s11]">;
496 def LDI_S_u7 : F16_LDI_u7;
498 //----------------------------------------------------------------------------
499 // Indexed Jump or Execute.
500 //----------------------------------------------------------------------------
501 def JLI_S : F16_JLI_EI<0, "jli_s">;
502 def EI_S : F16_JLI_EI<1, "ei_s">;
504 //----------------------------------------------------------------------------
505 // Load/Add Register-Register.
506 //----------------------------------------------------------------------------
507 def LD_S_rrr : F16_LD_ADD_RR<0b00, "ld_s\t$a, [$b, $c]">;
508 def LDB_S_rrr : F16_LD_ADD_RR<0b01, "ldb_s\t$a, [$b, $c]">;
509 def LDH_S_rrr : F16_LD_ADD_RR<0b10, "ldh_s\t$a, [$b, $c]">;
510 def ADD_S_rrr : F16_LD_ADD_RR<0b11, "add_s\t$a, $b, $c">;
512 //----------------------------------------------------------------------------
513 // Load/Add GP-Relative.
514 //----------------------------------------------------------------------------
515 def GP_LD_S : F16_GP_LD_ADD<0b00, (ins immS<11>:$s),
516 "ld_s\t%r0, [%gp, $s]"> {
519 let Inst{8-0} = s{10-2};
523 def GP_LDB_S : F16_GP_LD_ADD<0b01, (ins immS<9>:$s),
524 "ldb_s\t%r0, [%gp, $s]"> {
527 let Inst{8-0} = s{8-0};
530 def GP_LDH_S : F16_GP_LD_ADD<0b10, (ins immS<10>:$s),
531 "ldh_s\t%r0, [%gp, $s]"> {
534 let Inst{8-0} = s{9-1};
538 def GP_ADD_S : F16_GP_LD_ADD<0b11, (ins immS<11>:$s),
539 "add_s\t%r0, %gp, $s"> {
542 let Inst{8-0} = s{10-2};
546 //----------------------------------------------------------------------------
547 // Load PCL-Relative.
548 //----------------------------------------------------------------------------
549 def PCL_LD : InstARC<2, (outs GPR32:$b), (ins immU<10>:$u10),
550 "ld_s\t$b, [%pcl, $u10]", []> {
555 let Inst{15-11} = 0b11010;
557 let Inst{7-0} = u10{9-2};
561 let isBranch = 1 in {
562 //----------------------------------------------------------------------------
563 // Branch on Compare Register with Zero.
564 //----------------------------------------------------------------------------
565 def BREQ_S : F16_BCC_REG<0b0, "breq_s">;
566 def BRNE_S : F16_BCC_REG<0b1, "brne_s">;
568 //----------------------------------------------------------------------------
569 // Branch Conditionally.
570 //----------------------------------------------------------------------------
572 def B_S : F16_BCC_s10<0b00, "b_s">;
574 def BEQ_S : F16_BCC_s10<0b01, "beq_s">;
575 def BNE_S : F16_BCC_s10<0b10, "bne_s">;
576 def BGT_S : F16_BCC_s7<0b000, "bgt_s">;
577 def BGE_S : F16_BCC_s7<0b001, "bge_s">;
578 def BLT_S : F16_BCC_s7<0b010, "blt_s">;
579 def BLE_S : F16_BCC_s7<0b011, "ble_s">;
580 def BHI_S : F16_BCC_s7<0b100, "bhi_s">;
581 def BHS_S : F16_BCC_s7<0b101, "bhs_s">;
582 def BLO_S : F16_BCC_s7<0b110, "blo_s">;
583 def BLS_S : F16_BCC_s7<0b111, "bls_s">;
587 InstARC<2, (outs), (ins btargetS13:$s13), "bl_s\t$s13", []> {
589 let Inst{15-11} = 0b11111;
592 let Inst{10-0} = s13{12-2};
599 //----------------------------------------------------------------------------
600 // Add/Sub/Shift Register-Immediate.
601 //----------------------------------------------------------------------------
602 def ADD_S_ru3 : F16_ADD_IMM<0b00,"add_s">;
603 def SUB_S_ru3 : F16_ADD_IMM<0b01,"sub_s">;
604 def ASL_S_ru3 : F16_ADD_IMM<0b10,"asl_s">;
605 def ASR_S_ru3 : F16_ADD_IMM<0b11,"asr_s">;
607 //----------------------------------------------------------------------------
608 // Shift/Subtract/Bit Immediate.
609 //----------------------------------------------------------------------------
610 def ASL_S_ru5 : F16_SH_SUB_BIT_DST<0b000,"asl_s">;
611 def LSR_S_ru5 : F16_SH_SUB_BIT_DST<0b001,"lsr_s">;
612 def ASR_S_ru5 : F16_SH_SUB_BIT_DST<0b010,"asr_s">;
613 def SUB_S_ru5 : F16_SH_SUB_BIT_DST<0b011,"sub_s">;
614 def BSET_S_ru5 : F16_SH_SUB_BIT_DST<0b100,"bset_s">;
615 def BCLR_S_ru5 : F16_SH_SUB_BIT_DST<0b101,"bclr_s">;
616 def BMSK_S_ru5 : F16_SH_SUB_BIT_DST<0b110,"bmsk_s">;
617 def BTST_S_ru5 : F16_SH_SUB_BIT<0b111, "btst_s\t$b, $u5">;
619 //----------------------------------------------------------------------------
620 // Dual Register Operations.
621 //----------------------------------------------------------------------------
623 F16_OP_HREG_LIMM<0b000, (outs GPR32:$b_s3), (ins i32imm:$LImm),
624 !strconcat("add_s", "\t$b_s3, $b_s3, $LImm")>;
627 F16_OP_HREG<0b000, (outs GPR32:$b_s3), (ins GPR32:$h),
628 !strconcat("add_s", "\t$b_s3, $b_s3, $h")>;
631 F16_OP_HREG<0b001, (outs GPR32:$h), (ins immC<3>:$b_s3),
632 !strconcat("add_s", "\t$h, $h, $b_s3")>;
635 F16_OP_HREG_LIMM<0b001, (outs), (ins immC<3>:$b_s3, i32imm:$LImm),
636 !strconcat("add_s", "\t0, $LImm, $b_s3")>;
639 F16_OP_HREG_LIMM<0b111, (outs GPR32:$b_s3), (ins i32imm:$LImm),
640 !strconcat("mov_s.ne", "\t$b_s3, $LImm")>;
643 F16_OP_HREG<0b111,(outs GPR32:$b_s3), (ins GPR32:$h),
644 !strconcat("mov_s.ne", "\t$b_s3, $h")>;
647 F16_OP_HREG<0b011, (outs GPR32:$h), (ins immC<3>:$b_s3),
648 !strconcat("mov_s", "\t$h, $b_s3")>;
651 F16_OP_HREG30<0b011, (outs), (ins immC<3>:$b_s3),
652 !strconcat("mov_s", "\t0, $b_s3")>;
655 F16_OP_HREG_LIMM<0b100, (outs GPR32:$b_s3), (ins i32imm:$LImm),
656 !strconcat("cmp_s", "\t$b_s3, $LImm")>;
659 F16_OP_HREG<0b100, (outs GPR32:$b_s3), (ins GPR32:$h),
660 !strconcat("cmp_s", "\t$b_s3, $h")>;
663 F16_OP_HREG<0b101, (outs GPR32:$h), (ins immC<3>:$b_s3),
664 !strconcat("cmp_s", "\t$h, $b_s3")>;
667 F16_OP_HREG_LIMM<0b101, (outs), (ins immC<3>:$b_s3, i32imm:$LImm),
668 !strconcat("cmp_s", "\t$LImm, $b_s3")>;
670 //----------------------------------------------------------------------------
671 // Compact MOV/ADD/CMP Immediate instructions.
672 //----------------------------------------------------------------------------
674 F16_OP_IMM<0b11011, (outs GPR32:$b), (ins immU<8>:$u8),
675 !strconcat("mov_s", "\t$b, $u8")> {
681 F16_OP_U7<0b0, !strconcat("add_s", "\t$b, $b, $u7")>;
684 F16_OP_U7<0b1, !strconcat("cmp_s", "\t$b, $u7")>;
686 //----------------------------------------------------------------------------
687 // Compact Load/Store instructions with offset.
688 //----------------------------------------------------------------------------
690 F16_LD_ST_WORD_OFF<0x10, (outs GPR32:$c), (ins GPR32:$b, immU<7>:$off),
694 F16_LD_ST_BYTE_OFF<0x11, (outs GPR32:$c), (ins GPR32:$b, immU<5>:$off),
697 class F16_LDH_OFF<bits<5> opc, string asmstr> :
698 F16_LD_ST_HALF_OFF<opc, (outs GPR32:$c), (ins GPR32:$b, immU<6>:$off),
701 def LDH_S_OFF : F16_LDH_OFF<0x12, "ldh_s">;
702 def LDH_S_X_OFF : F16_LDH_OFF<0x13, "ldh_s.x">;
705 F16_LD_ST_WORD_OFF<0x14, (outs), (ins GPR32:$c, GPR32:$b, immU<7>:$off),
709 F16_LD_ST_BYTE_OFF<0x15, (outs), (ins GPR32:$c, GPR32:$b, immU<5>:$off),
713 F16_LD_ST_HALF_OFF<0x16, (outs), (ins GPR32:$c, GPR32:$b, immU<6>:$off),
716 //----------------------------------------------------------------------------
717 // General compact instructions.
718 //----------------------------------------------------------------------------
719 def GEN_SUB_S : F16_GEN_DOP<0x02, "sub_s">;
720 def GEN_AND_S : F16_GEN_DOP<0x04, "and_s">;
721 def GEN_OR_S : F16_GEN_DOP<0x05, "or_s">;
722 def GEN_BIC_S : F16_GEN_DOP<0x06, "bic_s">;
723 def GEN_XOR_S : F16_GEN_DOP<0x07, "xor_s">;
724 def GEN_MPYW_S : F16_GEN_DOP<0x09, "mpyw_s">;
725 def GEN_MPYUW_S : F16_GEN_DOP<0x0a, "mpyuw_s">;
726 def GEN_TST_S : F16_GEN_DOP_NODST<0x0b, "tst_s">;
727 def GEN_MPY_S : F16_GEN_DOP<0x0c, "mpy_s">;
728 def GEN_SEXB_S : F16_GEN_DOP_SINGLESRC<0x0d, "sexb_s">;
729 def GEN_SEXH_S : F16_GEN_DOP_SINGLESRC<0x0e, "sexh_s">;
730 def GEN_EXTB_S : F16_GEN_DOP_SINGLESRC<0x0f, "extb_s">;
731 def GEN_EXTH_S : F16_GEN_DOP_SINGLESRC<0x10, "exth_s">;
732 def GEN_ABS_S : F16_GEN_DOP_SINGLESRC<0x11, "abs_s">;
733 def GEN_NOT_S : F16_GEN_DOP_SINGLESRC<0x12, "not_s">;
734 def GEN_NEG_S : F16_GEN_DOP_SINGLESRC<0x13, "neg_s">;
735 def GEN_ADD1_S : F16_GEN_DOP<0x14, "add1_s">;
736 def GEN_ADD2_S : F16_GEN_DOP<0x15, "add2_s">;
737 def GEN_ADD3_S : F16_GEN_DOP<0x16, "add3_s">;
738 def GEN_ASL_S : F16_GEN_DOP<0x18, "asl_s">;
739 def GEN_LSR_S : F16_GEN_DOP<0x19, "lsr_s">;
740 def GEN_ASR_S : F16_GEN_DOP<0x1a, "asr_s">;
741 def GEN_AS1L_S : F16_GEN_DOP_SINGLESRC<0x1b, "asl_s">;
742 def GEN_AS1R_S : F16_GEN_DOP_SINGLESRC<0x1c, "asr_s">;
743 def GEN_LS1R_S : F16_GEN_DOP_SINGLESRC<0x1d, "lsr_s">;
744 def GEN_TRAP_S : F16_GEN_DOP_BASE<0x1e, (outs), (ins immU6:$u6),
752 def GEN_BRK_S : F16_GEN_DOP_BASE<0x1f, (outs), (ins),
759 let isBarrier = 1 in {
760 let isBranch = 1 in {
761 def GEN_J_S : F16_GEN_SOP<0x0, "j_s\t[$b]">;
762 def GEN_J_S_D : F16_GEN_SOP<0x1, "j_s.d\t[$b]">;
766 def GEN_JL_S : F16_GEN_SOP<0x2, "jl_s\t[$b]">;
767 def GEN_JL_S_D : F16_GEN_SOP<0x3, "jl_s.d\t[$b]">;
771 def GEN_SUB_S_NE : F16_GEN_SOP<0x6, "sub_s.ne\t$b, $b, $b">;
773 def GEN_NOP_S : F16_GEN_ZOP<0x0, "nop_s">;
774 def GEN_UNIMP_S : F16_GEN_ZOP<0x1, "unimp_s">;
775 def GEN_SWI_S : F16_GEN_ZOP<0x2, "swi_s">;
777 let isReturn = 1, isTerminator = 1 in {
778 def GEN_JEQ_S : F16_GEN_ZOP<0x4, "jeq_s\t[%blink]">;
779 def GEN_JNE_S : F16_GEN_ZOP<0x5, "jne_s\t[%blink]">;
780 let isBarrier = 1 in {
781 //def GEN_J_S_BLINK : F16_GEN_ZOP<0x6, "j_s\t[%blink]">;
782 def GEN_J_S_D_BLINK : F16_GEN_ZOP<0x7, "j_s.d\t[%blink]">;
784 } // let isReturn, isTerminator
786 //----------------------------------------------------------------------------
787 // Load/Store instructions.
788 //----------------------------------------------------------------------------
790 // Filter class for load/store mappings
793 // Load instruction variants:
794 // Control bits: x, aa, di, zz
796 // aa - incrementing mode. (N/A for LIMM).
799 multiclass ArcLdInst<DataSizeMode zz, ExtMode x, CacheMode di, string asmop> {
800 let mayLoad = 1, ZZ = zz, X = x, DI = di in {
801 def _rs9: F32_LD_ADDR<x.Value, NoAM.Value, di.Value, zz.Value,
802 (outs GPR32:$A), (ins MEMrs9:$addr),
803 !strconcat(asmop, "\t$A, [$addr]"), []>, ArcLdStRel;
805 def _limm: F32_LD_LIMM<x.Value, di.Value, zz.Value,
806 (outs GPR32:$A), (ins MEMii:$addr),
807 !strconcat(asmop, "\t$A, [$addr]"), []>, ArcLdStRel;
809 def _rlimm: F32_LD_RLIMM<x.Value, NoAM.Value, di.Value, zz.Value,
810 (outs GPR32:$A), (ins MEMrlimm:$addr),
811 !strconcat(asmop, "\t$A, [$addr]"), []>, ArcLdStRel;
813 foreach aa = [PreIncAM, PostIncAM] in {
814 def aa.InstSuffix#_rs9: F32_LD_RS9<x.Value, aa.Value, di.Value, zz.Value,
815 (outs GPR32:$A, GPR32:$addrout),
816 (ins GPR32:$B, immS<9>:$S9),
817 asmop#aa.AsmSuffix#"\t$A, [$B,$S9]", []>, ArcLdStRel
818 { let Constraints = "$addrout = $B"; let AA = aa; }
823 foreach di = [NoCC, UncachedCC] in {
824 defm LD#di.InstSuffix : ArcLdInst<WordSM, NoEM, di, "ld"#di.AsmSuffix>;
825 foreach zz = [ByteSM, HalfSM] in {
826 foreach x = [NoEM, SignedEM] in {
827 defm LD#zz.InstSuffix#x.InstSuffix#di.InstSuffix : ArcLdInst<zz, x, di, "ld"#zz.AsmSuffix#x.AsmSuffix#di.AsmSuffix>;
832 // Load instruction patterns.
834 def : Pat<(load AddrModeS9:$addr), (LD_rs9 AddrModeS9:$addr)>;
835 def : Pat<(load AddrModeImm:$addr), (LD_limm AddrModeImm:$addr)>;
836 def : Pat<(load AddrModeFar:$addr), (LD_rs9 AddrModeFar:$addr)>;
839 def : Pat<(zextloadi16 AddrModeS9:$addr), (LDH_rs9 AddrModeS9:$addr)>;
840 def : Pat<(extloadi16 AddrModeS9:$addr), (LDH_rs9 AddrModeS9:$addr)>;
841 def : Pat<(zextloadi16 AddrModeImm:$addr), (LDH_limm AddrModeImm:$addr)>;
842 def : Pat<(extloadi16 AddrModeImm:$addr), (LDH_limm AddrModeImm:$addr)>;
843 def : Pat<(zextloadi16 AddrModeFar:$addr), (LDH_rlimm AddrModeFar:$addr)>;
844 def : Pat<(extloadi16 AddrModeFar:$addr), (LDH_rlimm AddrModeFar:$addr)>;
845 def : Pat<(sextloadi16 AddrModeImm:$addr),(LDH_X_limm AddrModeImm:$addr)>;
846 def : Pat<(sextloadi16 AddrModeFar:$addr),(LDH_X_rlimm AddrModeFar:$addr)>;
847 def : Pat<(sextloadi16 AddrModeS9:$addr),(LDH_X_rs9 AddrModeS9:$addr)>;
850 def : Pat<(zextloadi8 AddrModeS9:$addr), (LDB_rs9 AddrModeS9:$addr)>;
851 def : Pat<(extloadi8 AddrModeS9:$addr), (LDB_rs9 AddrModeS9:$addr)>;
852 def : Pat<(zextloadi8 AddrModeImm:$addr), (LDB_limm AddrModeImm:$addr)>;
853 def : Pat<(extloadi8 AddrModeImm:$addr), (LDB_limm AddrModeImm:$addr)>;
854 def : Pat<(zextloadi8 AddrModeFar:$addr), (LDB_rlimm AddrModeFar:$addr)>;
855 def : Pat<(extloadi8 AddrModeFar:$addr), (LDB_rlimm AddrModeFar:$addr)>;
856 def : Pat<(zextloadi1 AddrModeS9:$addr), (LDB_rs9 AddrModeS9:$addr)>;
857 def : Pat<(extloadi1 AddrModeS9:$addr), (LDB_rs9 AddrModeS9:$addr)>;
858 def : Pat<(zextloadi1 AddrModeImm:$addr), (LDB_limm AddrModeImm:$addr)>;
859 def : Pat<(extloadi1 AddrModeImm:$addr), (LDB_limm AddrModeImm:$addr)>;
860 def : Pat<(zextloadi1 AddrModeFar:$addr), (LDB_rlimm AddrModeFar:$addr)>;
861 def : Pat<(extloadi1 AddrModeFar:$addr), (LDB_rlimm AddrModeFar:$addr)>;
862 def : Pat<(sextloadi8 AddrModeImm:$addr),(LDB_X_limm AddrModeImm:$addr)>;
863 def : Pat<(sextloadi8 AddrModeFar:$addr),(LDB_X_rlimm AddrModeFar:$addr)>;
864 def : Pat<(sextloadi8 AddrModeS9:$addr),(LDB_X_rs9 AddrModeS9:$addr)>;
867 // Store instruction variants:
868 // Control bits: aa, di, zz
869 // aa - incrementing mode. (N/A for LIMM).
872 multiclass ArcStInst<DataSizeMode zz, CacheMode di, string asmop> {
873 let mayStore = 1, ZZ = zz, DI = di in {
874 def _rs9: F32_ST_ADDR<NoAM.Value, di.Value, zz.Value,
875 (outs), (ins GPR32:$C, MEMrs9:$addr),
876 !strconcat(asmop, "\t$C, [$addr]"), []>, ArcLdStRel;
878 def _limm: F32_ST_LIMM<di.Value, zz.Value,
879 (outs), (ins GPR32:$C, MEMii:$addr),
880 !strconcat(asmop, "\t$C, [$addr]"), []>, ArcLdStRel;
883 foreach aa = [PreIncAM, PostIncAM] in {
884 def aa.InstSuffix#_rs9: F32_ST_RS9<aa.Value, di.Value, zz.Value,
885 (outs GPR32:$addrout),
886 (ins GPR32:$C, GPR32:$B, immS<9>:$S9),
887 asmop#aa.AsmSuffix#"\t$C, [$B,$S9]", []>, ArcLdStRel
888 { let Constraints = "$addrout = $B"; let AA = aa; }
893 foreach di = [NoCC, UncachedCC] in {
894 foreach zz = [ByteSM, HalfSM, WordSM] in {
895 defm ST#zz.InstSuffix#di.InstSuffix : ArcStInst<zz, di, "st"#zz.AsmSuffix#di.AsmSuffix>;
899 // Store instruction patterns.
901 def : Pat<(store i32:$C, AddrModeS9:$addr),
902 (ST_rs9 i32:$C, AddrModeS9:$addr)>;
903 def : Pat<(store i32:$C, AddrModeImm:$addr),
904 (ST_limm i32:$C, AddrModeImm:$addr)>;
907 def : Pat<(truncstorei16 i32:$C, AddrModeS9:$addr),
908 (STH_rs9 i32:$C, AddrModeS9:$addr)>;
909 def : Pat<(truncstorei16 i32:$C, AddrModeImm:$addr),
910 (STH_limm i32:$C, AddrModeImm:$addr)>;
913 def : Pat<(truncstorei8 i32:$C, AddrModeS9:$addr),
914 (STB_rs9 i32:$C, AddrModeS9:$addr)>;
915 def : Pat<(truncstorei8 i32:$C, AddrModeImm:$addr),
916 (STB_limm i32:$C, AddrModeImm:$addr)>;
918 def getPostIncOpcode : InstrMapping {
919 let FilterClass = "ArcLdStRel";
920 let RowFields = [ "BaseOpcode", "ZZ", "DI", "X"];
921 let ColFields = [ "AA" ];
922 let KeyCol = [ "NoAM" ];
923 let ValueCols = [["PostIncAM"]];