1 //===- XCoreInstrInfo.td - Target Description for XCore ----*- tablegen -*-===//
3 // The LLVM Compiler Infrastructure
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
8 //===----------------------------------------------------------------------===//
10 // This file describes the XCore instructions in TableGen format.
12 //===----------------------------------------------------------------------===//
14 // Uses of CP, DP are not currently reflected in the patterns, since
15 // having a physical register as an operand prevents loop hoisting and
16 // since the value of these registers never changes during the life of the
19 //===----------------------------------------------------------------------===//
20 // Instruction format superclass.
21 //===----------------------------------------------------------------------===//
23 include "XCoreInstrFormats.td"
25 //===----------------------------------------------------------------------===//
26 // Feature predicates.
27 //===----------------------------------------------------------------------===//
29 // HasXS1B - This predicate is true when the target processor supports XS1B
31 def HasXS1B : Predicate<"Subtarget.isXS1B()">;
33 //===----------------------------------------------------------------------===//
34 // XCore specific DAG Nodes.
38 def SDT_XCoreBranchLink : SDTypeProfile<0, 1, [SDTCisPtrTy<0>]>;
39 def XCoreBranchLink : SDNode<"XCoreISD::BL",SDT_XCoreBranchLink,
40 [SDNPHasChain, SDNPOptInFlag, SDNPOutFlag]>;
42 def XCoreRetsp : SDNode<"XCoreISD::RETSP", SDTNone,
43 [SDNPHasChain, SDNPOptInFlag]>;
45 def SDT_XCoreAddress : SDTypeProfile<1, 1,
46 [SDTCisSameAs<0, 1>, SDTCisPtrTy<0>]>;
48 def pcrelwrapper : SDNode<"XCoreISD::PCRelativeWrapper", SDT_XCoreAddress,
51 def dprelwrapper : SDNode<"XCoreISD::DPRelativeWrapper", SDT_XCoreAddress,
54 def cprelwrapper : SDNode<"XCoreISD::CPRelativeWrapper", SDT_XCoreAddress,
57 def SDT_XCoreStwsp : SDTypeProfile<0, 2, [SDTCisInt<1>]>;
58 def XCoreStwsp : SDNode<"XCoreISD::STWSP", SDT_XCoreStwsp,
61 // These are target-independent nodes, but have target-specific formats.
62 def SDT_XCoreCallSeqStart : SDCallSeqStart<[ SDTCisVT<0, i32> ]>;
63 def SDT_XCoreCallSeqEnd : SDCallSeqEnd<[ SDTCisVT<0, i32>,
66 def callseq_start : SDNode<"ISD::CALLSEQ_START", SDT_XCoreCallSeqStart,
67 [SDNPHasChain, SDNPOutFlag]>;
68 def callseq_end : SDNode<"ISD::CALLSEQ_END", SDT_XCoreCallSeqEnd,
69 [SDNPHasChain, SDNPOptInFlag, SDNPOutFlag]>;
71 //===----------------------------------------------------------------------===//
72 // Instruction Pattern Stuff
73 //===----------------------------------------------------------------------===//
75 def div4_xform : SDNodeXForm<imm, [{
76 // Transformation function: imm/4
77 assert(N->getZExtValue() % 4 == 0);
78 return getI32Imm(N->getZExtValue()/4);
81 def msksize_xform : SDNodeXForm<imm, [{
82 // Transformation function: get the size of a mask
83 assert(isMask_32(N->getZExtValue()));
84 // look for the first non-zero bit
85 return getI32Imm(32 - CountLeadingZeros_32(N->getZExtValue()));
88 def neg_xform : SDNodeXForm<imm, [{
89 // Transformation function: -imm
90 uint32_t value = N->getZExtValue();
91 return getI32Imm(-value);
94 def bpwsub_xform : SDNodeXForm<imm, [{
95 // Transformation function: 32-imm
96 uint32_t value = N->getZExtValue();
97 return getI32Imm(32-value);
100 def div4neg_xform : SDNodeXForm<imm, [{
101 // Transformation function: -imm/4
102 uint32_t value = N->getZExtValue();
103 assert(-value % 4 == 0);
104 return getI32Imm(-value/4);
107 def immUs4Neg : PatLeaf<(imm), [{
108 uint32_t value = (uint32_t)N->getZExtValue();
109 return (-value)%4 == 0 && (-value)/4 <= 11;
112 def immUs4 : PatLeaf<(imm), [{
113 uint32_t value = (uint32_t)N->getZExtValue();
114 return value%4 == 0 && value/4 <= 11;
117 def immUsNeg : PatLeaf<(imm), [{
118 return -((uint32_t)N->getZExtValue()) <= 11;
121 def immUs : PatLeaf<(imm), [{
122 return (uint32_t)N->getZExtValue() <= 11;
125 def immU6 : PatLeaf<(imm), [{
126 return (uint32_t)N->getZExtValue() < (1 << 6);
129 def immU10 : PatLeaf<(imm), [{
130 return (uint32_t)N->getZExtValue() < (1 << 10);
133 def immU16 : PatLeaf<(imm), [{
134 return (uint32_t)N->getZExtValue() < (1 << 16);
137 def immU20 : PatLeaf<(imm), [{
138 return (uint32_t)N->getZExtValue() < (1 << 20);
141 def immMskBitp : PatLeaf<(imm), [{
142 uint32_t value = (uint32_t)N->getZExtValue();
143 if (!isMask_32(value)) {
146 int msksize = 32 - CountLeadingZeros_32(value);
147 return (msksize >= 1 && msksize <= 8)
153 def immBitp : PatLeaf<(imm), [{
154 uint32_t value = (uint32_t)N->getZExtValue();
155 return (value >= 1 && value <= 8)
161 def immBpwSubBitp : PatLeaf<(imm), [{
162 uint32_t value = (uint32_t)N->getZExtValue();
163 return (value >= 24 && value <= 31)
169 def lda16f : PatFrag<(ops node:$addr, node:$offset),
170 (add node:$addr, (shl node:$offset, 1))>;
171 def lda16b : PatFrag<(ops node:$addr, node:$offset),
172 (sub node:$addr, (shl node:$offset, 1))>;
173 def ldawf : PatFrag<(ops node:$addr, node:$offset),
174 (add node:$addr, (shl node:$offset, 2))>;
175 def ldawb : PatFrag<(ops node:$addr, node:$offset),
176 (sub node:$addr, (shl node:$offset, 2))>;
178 // Instruction operand types
179 def calltarget : Operand<i32>;
180 def brtarget : Operand<OtherVT>;
181 def pclabel : Operand<i32>;
184 def ADDRspii : ComplexPattern<i32, 2, "SelectADDRspii", [add, frameindex], []>;
185 def ADDRdpii : ComplexPattern<i32, 2, "SelectADDRdpii", [add, dprelwrapper],
187 def ADDRcpii : ComplexPattern<i32, 2, "SelectADDRcpii", [add, cprelwrapper],
191 def MEMii : Operand<i32> {
192 let PrintMethod = "printMemOperand";
193 let MIOperandInfo = (ops i32imm, i32imm);
196 //===----------------------------------------------------------------------===//
197 // Instruction Class Templates
198 //===----------------------------------------------------------------------===//
200 // Three operand short
202 multiclass F3R_2RUS<string OpcStr, SDNode OpNode> {
204 (outs GRRegs:$dst), (ins GRRegs:$b, GRRegs:$c),
205 !strconcat(OpcStr, " $dst, $b, $c"),
206 [(set GRRegs:$dst, (OpNode GRRegs:$b, GRRegs:$c))]>;
208 (outs GRRegs:$dst), (ins GRRegs:$b, i32imm:$c),
209 !strconcat(OpcStr, " $dst, $b, $c"),
210 [(set GRRegs:$dst, (OpNode GRRegs:$b, immUs:$c))]>;
213 multiclass F3R_2RUS_np<string OpcStr> {
215 (outs GRRegs:$dst), (ins GRRegs:$b, GRRegs:$c),
216 !strconcat(OpcStr, " $dst, $b, $c"),
219 (outs GRRegs:$dst), (ins GRRegs:$b, i32imm:$c),
220 !strconcat(OpcStr, " $dst, $b, $c"),
224 multiclass F3R_2RBITP<string OpcStr, SDNode OpNode> {
226 (outs GRRegs:$dst), (ins GRRegs:$b, GRRegs:$c),
227 !strconcat(OpcStr, " $dst, $b, $c"),
228 [(set GRRegs:$dst, (OpNode GRRegs:$b, GRRegs:$c))]>;
230 (outs GRRegs:$dst), (ins GRRegs:$b, i32imm:$c),
231 !strconcat(OpcStr, " $dst, $b, $c"),
232 [(set GRRegs:$dst, (OpNode GRRegs:$b, immBitp:$c))]>;
235 class F3R<string OpcStr, SDNode OpNode> : _F3R<
236 (outs GRRegs:$dst), (ins GRRegs:$b, GRRegs:$c),
237 !strconcat(OpcStr, " $dst, $b, $c"),
238 [(set GRRegs:$dst, (OpNode GRRegs:$b, GRRegs:$c))]>;
240 class F3R_np<string OpcStr> : _F3R<
241 (outs GRRegs:$dst), (ins GRRegs:$b, GRRegs:$c),
242 !strconcat(OpcStr, " $dst, $b, $c"),
244 // Three operand long
246 /// FL3R_L2RUS multiclass - Define a normal FL3R/FL2RUS pattern in one shot.
247 multiclass FL3R_L2RUS<string OpcStr, SDNode OpNode> {
249 (outs GRRegs:$dst), (ins GRRegs:$b, GRRegs:$c),
250 !strconcat(OpcStr, " $dst, $b, $c"),
251 [(set GRRegs:$dst, (OpNode GRRegs:$b, GRRegs:$c))]>;
252 def _l2rus : _FL2RUS<
253 (outs GRRegs:$dst), (ins GRRegs:$b, i32imm:$c),
254 !strconcat(OpcStr, " $dst, $b, $c"),
255 [(set GRRegs:$dst, (OpNode GRRegs:$b, immUs:$c))]>;
258 /// FL3R_L2RUS multiclass - Define a normal FL3R/FL2RUS pattern in one shot.
259 multiclass FL3R_L2RBITP<string OpcStr, SDNode OpNode> {
261 (outs GRRegs:$dst), (ins GRRegs:$b, GRRegs:$c),
262 !strconcat(OpcStr, " $dst, $b, $c"),
263 [(set GRRegs:$dst, (OpNode GRRegs:$b, GRRegs:$c))]>;
264 def _l2rus : _FL2RUS<
265 (outs GRRegs:$dst), (ins GRRegs:$b, i32imm:$c),
266 !strconcat(OpcStr, " $dst, $b, $c"),
267 [(set GRRegs:$dst, (OpNode GRRegs:$b, immBitp:$c))]>;
270 class FL3R<string OpcStr, SDNode OpNode> : _FL3R<
271 (outs GRRegs:$dst), (ins GRRegs:$b, GRRegs:$c),
272 !strconcat(OpcStr, " $dst, $b, $c"),
273 [(set GRRegs:$dst, (OpNode GRRegs:$b, GRRegs:$c))]>;
276 // Operand register - U6
277 multiclass FRU6_LRU6_branch<string OpcStr> {
279 (outs), (ins GRRegs:$cond, brtarget:$dest),
280 !strconcat(OpcStr, " $cond, $dest"),
283 (outs), (ins GRRegs:$cond, brtarget:$dest),
284 !strconcat(OpcStr, " $cond, $dest"),
288 multiclass FRU6_LRU6_cp<string OpcStr> {
290 (outs GRRegs:$dst), (ins i32imm:$a),
291 !strconcat(OpcStr, " $dst, cp[$a]"),
294 (outs GRRegs:$dst), (ins i32imm:$a),
295 !strconcat(OpcStr, " $dst, cp[$a]"),
300 multiclass FU6_LU6<string OpcStr, SDNode OpNode> {
302 (outs), (ins i32imm:$b),
303 !strconcat(OpcStr, " $b"),
304 [(OpNode immU6:$b)]>;
306 (outs), (ins i32imm:$b),
307 !strconcat(OpcStr, " $b"),
308 [(OpNode immU16:$b)]>;
311 multiclass FU6_LU6_np<string OpcStr> {
313 (outs), (ins i32imm:$b),
314 !strconcat(OpcStr, " $b"),
317 (outs), (ins i32imm:$b),
318 !strconcat(OpcStr, " $b"),
323 multiclass FU10_LU10_np<string OpcStr> {
325 (outs), (ins i32imm:$b),
326 !strconcat(OpcStr, " $b"),
329 (outs), (ins i32imm:$b),
330 !strconcat(OpcStr, " $b"),
336 class F2R_np<string OpcStr> : _F2R<
337 (outs GRRegs:$dst), (ins GRRegs:$b),
338 !strconcat(OpcStr, " $dst, $b"),
343 //===----------------------------------------------------------------------===//
344 // Pseudo Instructions
345 //===----------------------------------------------------------------------===//
347 let Defs = [SP], Uses = [SP] in {
348 def ADJCALLSTACKDOWN : PseudoInstXCore<(outs), (ins i32imm:$amt),
349 "${:comment} ADJCALLSTACKDOWN $amt",
350 [(callseq_start timm:$amt)]>;
351 def ADJCALLSTACKUP : PseudoInstXCore<(outs), (ins i32imm:$amt1, i32imm:$amt2),
352 "${:comment} ADJCALLSTACKUP $amt1",
353 [(callseq_end timm:$amt1, timm:$amt2)]>;
356 def LDWFI : PseudoInstXCore<(outs GRRegs:$dst), (ins MEMii:$addr),
357 "${:comment} LDWFI $dst, $addr",
358 [(set GRRegs:$dst, (load ADDRspii:$addr))]>;
360 def LDAWFI : PseudoInstXCore<(outs GRRegs:$dst), (ins MEMii:$addr),
361 "${:comment} LDAWFI $dst, $addr",
362 [(set GRRegs:$dst, ADDRspii:$addr)]>;
364 def STWFI : PseudoInstXCore<(outs), (ins GRRegs:$src, MEMii:$addr),
365 "${:comment} STWFI $src, $addr",
366 [(store GRRegs:$src, ADDRspii:$addr)]>;
368 // SELECT_CC_* - Used to implement the SELECT_CC DAG operation. Expanded by the
369 // scheduler into a branch sequence.
370 let usesCustomDAGSchedInserter = 1 in {
371 def SELECT_CC : PseudoInstXCore<(outs GRRegs:$dst),
372 (ins GRRegs:$cond, GRRegs:$T, GRRegs:$F),
373 "${:comment} SELECT_CC PSEUDO!",
375 (select GRRegs:$cond, GRRegs:$T, GRRegs:$F))]>;
378 //===----------------------------------------------------------------------===//
380 //===----------------------------------------------------------------------===//
382 // Three operand short
383 defm ADD : F3R_2RUS<"add", add>;
384 defm SUB : F3R_2RUS<"sub", sub>;
385 let neverHasSideEffects = 1 in {
386 defm EQ : F3R_2RUS_np<"eq">;
387 def LSS_3r : F3R_np<"lss">;
388 def LSU_3r : F3R_np<"lsu">;
390 def AND_3r : F3R<"and", and>;
391 def OR_3r : F3R<"or", or>;
394 def LDW_3r : _F3R<(outs GRRegs:$dst), (ins GRRegs:$addr, GRRegs:$offset),
395 "ldw $dst, $addr[$offset]",
398 def LDW_2rus : _F2RUS<(outs GRRegs:$dst), (ins GRRegs:$addr, i32imm:$offset),
399 "ldw $dst, $addr[$offset]",
402 def LD16S_3r : _F3R<(outs GRRegs:$dst), (ins GRRegs:$addr, GRRegs:$offset),
403 "ld16s $dst, $addr[$offset]",
406 def LD8U_3r : _F3R<(outs GRRegs:$dst), (ins GRRegs:$addr, GRRegs:$offset),
407 "ld8u $dst, $addr[$offset]",
412 def STW_3r : _F3R<(outs), (ins GRRegs:$val, GRRegs:$addr, GRRegs:$offset),
413 "stw $val, $addr[$offset]",
416 def STW_2rus : _F2RUS<(outs), (ins GRRegs:$val, GRRegs:$addr, i32imm:$offset),
417 "stw $val, $addr[$offset]",
421 defm SHL : F3R_2RBITP<"shl", shl>;
422 defm SHR : F3R_2RBITP<"shr", srl>;
425 // Three operand long
426 def LDAWF_l3r : _FL3R<(outs GRRegs:$dst), (ins GRRegs:$addr, GRRegs:$offset),
427 "ldaw $dst, $addr[$offset]",
428 [(set GRRegs:$dst, (ldawf GRRegs:$addr, GRRegs:$offset))]>;
430 let neverHasSideEffects = 1 in
431 def LDAWF_l2rus : _FL2RUS<(outs GRRegs:$dst),
432 (ins GRRegs:$addr, i32imm:$offset),
433 "ldaw $dst, $addr[$offset]",
436 def LDAWB_l3r : _FL3R<(outs GRRegs:$dst), (ins GRRegs:$addr, GRRegs:$offset),
437 "ldaw $dst, $addr[-$offset]",
438 [(set GRRegs:$dst, (ldawb GRRegs:$addr, GRRegs:$offset))]>;
440 let neverHasSideEffects = 1 in
441 def LDAWB_l2rus : _FL2RUS<(outs GRRegs:$dst),
442 (ins GRRegs:$addr, i32imm:$offset),
443 "ldaw $dst, $addr[-$offset]",
446 def LDA16F_l3r : _FL3R<(outs GRRegs:$dst), (ins GRRegs:$addr, GRRegs:$offset),
447 "lda16 $dst, $addr[$offset]",
448 [(set GRRegs:$dst, (lda16f GRRegs:$addr, GRRegs:$offset))]>;
450 def LDA16B_l3r : _FL3R<(outs GRRegs:$dst), (ins GRRegs:$addr, GRRegs:$offset),
451 "lda16 $dst, $addr[-$offset]",
452 [(set GRRegs:$dst, (lda16b GRRegs:$addr, GRRegs:$offset))]>;
454 def MUL_l3r : FL3R<"mul", mul>;
455 // Instructions which may trap are marked as side effecting.
456 let hasSideEffects = 1 in {
457 def DIVS_l3r : FL3R<"divs", sdiv>;
458 def DIVU_l3r : FL3R<"divu", udiv>;
459 def REMS_l3r : FL3R<"rems", srem>;
460 def REMU_l3r : FL3R<"remu", urem>;
462 def XOR_l3r : FL3R<"xor", xor>;
463 defm ASHR : FL3R_L2RBITP<"ashr", sra>;
464 // TODO crc32, crc8, inpw, outpw
466 def ST16_l3r : _FL3R<(outs), (ins GRRegs:$val, GRRegs:$addr, GRRegs:$offset),
467 "st16 $val, $addr[$offset]",
470 def ST8_l3r : _FL3R<(outs), (ins GRRegs:$val, GRRegs:$addr, GRRegs:$offset),
471 "st8 $val, $addr[$offset]",
476 let Predicates = [HasXS1B], Constraints = "$src1 = $dst1,$src2 = $dst2" in {
477 def MACCU_l4r : _L4R<(outs GRRegs:$dst1, GRRegs:$dst2),
478 (ins GRRegs:$src1, GRRegs:$src2, GRRegs:$src3,
480 "maccu $dst1, $dst2, $src3, $src4",
483 def MACCS_l4r : _L4R<(outs GRRegs:$dst1, GRRegs:$dst2),
484 (ins GRRegs:$src1, GRRegs:$src2, GRRegs:$src3,
486 "maccs $dst1, $dst2, $src3, $src4",
492 let Predicates = [HasXS1B] in {
493 def LADD_l5r : _L5R<(outs GRRegs:$dst1, GRRegs:$dst2),
494 (ins GRRegs:$src1, GRRegs:$src2, GRRegs:$src3),
495 "ladd $dst1, $dst2, $src1, $src2, $src3",
498 def LSUB_l5r : _L5R<(outs GRRegs:$dst1, GRRegs:$dst2),
499 (ins GRRegs:$src1, GRRegs:$src2, GRRegs:$src3),
500 "lsub $dst1, $dst2, $src1, $src2, $src3",
503 def LDIV_l5r : _L5R<(outs GRRegs:$dst1, GRRegs:$dst2),
504 (ins GRRegs:$src1, GRRegs:$src2, GRRegs:$src3),
505 "ldiv $dst1, $dst2, $src1, $src2, $src3",
511 def LMUL_l6r : _L6R<(outs GRRegs:$dst1, GRRegs:$dst2),
512 (ins GRRegs:$src1, GRRegs:$src2, GRRegs:$src3,
514 "lmul $dst1, $dst2, $src1, $src2, $src3, $src4",
519 //let Uses = [DP] in ...
520 let neverHasSideEffects = 1, isReMaterializable = 1 in
521 def LDAWDP_ru6: _FRU6<(outs GRRegs:$dst), (ins MEMii:$a),
525 let isReMaterializable = 1 in
526 def LDAWDP_lru6: _FLRU6<
527 (outs GRRegs:$dst), (ins MEMii:$a),
529 [(set GRRegs:$dst, ADDRdpii:$a)]>;
532 def LDWDP_ru6: _FRU6<(outs GRRegs:$dst), (ins MEMii:$a),
536 def LDWDP_lru6: _FLRU6<
537 (outs GRRegs:$dst), (ins MEMii:$a),
539 [(set GRRegs:$dst, (load ADDRdpii:$a))]>;
542 def STWDP_ru6 : _FRU6<(outs), (ins GRRegs:$val, MEMii:$addr),
543 "stw $val, dp[$addr]",
546 def STWDP_lru6 : _FLRU6<(outs), (ins GRRegs:$val, MEMii:$addr),
547 "stw $val, dp[$addr]",
548 [(store GRRegs:$val, ADDRdpii:$addr)]>;
550 //let Uses = [CP] in ..
551 let mayLoad = 1, isReMaterializable = 1 in
552 defm LDWCP : FRU6_LRU6_cp<"ldw">;
556 def STWSP_ru6 : _FRU6<
557 (outs), (ins GRRegs:$val, i32imm:$index),
558 "stw $val, sp[$index]",
559 [(XCoreStwsp GRRegs:$val, immU6:$index)]>;
561 def STWSP_lru6 : _FLRU6<
562 (outs), (ins GRRegs:$val, i32imm:$index),
563 "stw $val, sp[$index]",
564 [(XCoreStwsp GRRegs:$val, immU16:$index)]>;
568 def LDWSP_ru6 : _FRU6<
569 (outs GRRegs:$dst), (ins i32imm:$b),
573 def LDWSP_lru6 : _FLRU6<
574 (outs GRRegs:$dst), (ins i32imm:$b),
579 let neverHasSideEffects = 1 in {
580 def LDAWSP_ru6 : _FRU6<
581 (outs GRRegs:$dst), (ins i32imm:$b),
585 def LDAWSP_lru6 : _FLRU6<
586 (outs GRRegs:$dst), (ins i32imm:$b),
590 def LDAWSP_ru6_RRegs : _FRU6<
591 (outs RRegs:$dst), (ins i32imm:$b),
595 def LDAWSP_lru6_RRegs : _FLRU6<
596 (outs RRegs:$dst), (ins i32imm:$b),
602 let isReMaterializable = 1 in {
604 (outs GRRegs:$dst), (ins i32imm:$b),
606 [(set GRRegs:$dst, immU6:$b)]>;
608 def LDC_lru6 : _FLRU6<
609 (outs GRRegs:$dst), (ins i32imm:$b),
611 [(set GRRegs:$dst, immU16:$b)]>;
614 // Operand register - U6
616 let isBranch = 1, isTerminator = 1 in {
617 defm BRFT: FRU6_LRU6_branch<"bt">;
618 defm BRBT: FRU6_LRU6_branch<"bt">;
619 defm BRFF: FRU6_LRU6_branch<"bf">;
620 defm BRBF: FRU6_LRU6_branch<"bf">;
624 let Defs = [SP], Uses = [SP] in {
625 let neverHasSideEffects = 1 in
626 defm EXTSP : FU6_LU6_np<"extsp">;
628 defm ENTSP : FU6_LU6_np<"entsp">;
630 let isReturn = 1, isTerminator = 1, mayLoad = 1 in {
631 defm RETSP : FU6_LU6<"retsp", XCoreRetsp>;
635 // TODO extdp, kentsp, krestsp, blat, setsr
636 // clrsr, getsr, kalli
637 let isBranch = 1, isTerminator = 1 in {
640 (ins brtarget:$target),
644 def BRBU_lu6 : _FLU6<
646 (ins brtarget:$target),
652 (ins brtarget:$target),
656 def BRFU_lu6 : _FLU6<
658 (ins brtarget:$target),
663 //let Uses = [CP] in ...
664 let Predicates = [HasXS1B], Defs = [R11], neverHasSideEffects = 1,
665 isReMaterializable = 1 in
666 def LDAWCP_u6: _FRU6<(outs), (ins MEMii:$a),
670 let Predicates = [HasXS1B], Defs = [R11], isReMaterializable = 1 in
671 def LDAWCP_lu6: _FLRU6<
672 (outs), (ins MEMii:$a),
674 [(set R11, ADDRcpii:$a)]>;
677 // TODO ldwcpl, blacp
679 let Defs = [R11], isReMaterializable = 1, neverHasSideEffects = 1 in
680 def LDAP_u10 : _FU10<
686 let Defs = [R11], isReMaterializable = 1 in
687 def LDAP_lu10 : _FLU10<
691 [(set R11, (pcrelwrapper tglobaladdr:$addr))]>;
694 // All calls clobber the the link register and the non-callee-saved registers:
695 Defs = [R0, R1, R2, R3, R11, LR] in {
698 (ins calltarget:$target, variable_ops),
700 [(XCoreBranchLink immU10:$target)]>;
702 def BL_lu10 : _FLU10<
704 (ins calltarget:$target, variable_ops),
706 [(XCoreBranchLink immU20:$target)]>;
711 def NOT : _F2R<(outs GRRegs:$dst), (ins GRRegs:$b),
713 [(set GRRegs:$dst, (not GRRegs:$b))]>;
715 def NEG : _F2R<(outs GRRegs:$dst), (ins GRRegs:$b),
717 [(set GRRegs:$dst, (ineg GRRegs:$b))]>;
719 // TODO setd, eet, eef, getts, setpt, outct, inct, chkct, outt, intt, out,
720 // in, outshr, inshr, testct, testwct, tinitpc, tinitdp, tinitsp, tinitcp,
721 // tsetmr, sext (reg), zext (reg)
722 let isTwoAddress = 1 in {
723 let neverHasSideEffects = 1 in
724 def SEXT_rus : _FRUS<(outs GRRegs:$dst), (ins GRRegs:$src1, i32imm:$src2),
728 let neverHasSideEffects = 1 in
729 def ZEXT_rus : _FRUS<(outs GRRegs:$dst), (ins GRRegs:$src1, i32imm:$src2),
733 def ANDNOT_2r : _F2R<(outs GRRegs:$dst), (ins GRRegs:$src1, GRRegs:$src2),
734 "andnot $dst, $src2",
735 [(set GRRegs:$dst, (and GRRegs:$src1, (not GRRegs:$src2)))]>;
738 let isReMaterializable = 1, neverHasSideEffects = 1 in
739 def MKMSK_rus : _FRUS<(outs GRRegs:$dst), (ins i32imm:$size),
743 def MKMSK_2r : _FRUS<(outs GRRegs:$dst), (ins GRRegs:$size),
745 [(set GRRegs:$dst, (add (shl 1, GRRegs:$size), 0xffffffff))]>;
748 // TODO settw, setclk, setrdy, setpsc, endin, peek,
749 // getd, testlcl, tinitlr, getps, setps
750 def BITREV_l2r : _FL2R<(outs GRRegs:$dst), (ins GRRegs:$src),
752 [(set GRRegs:$dst, (int_xcore_bitrev GRRegs:$src))]>;
754 def BYTEREV_l2r : _FL2R<(outs GRRegs:$dst), (ins GRRegs:$src),
755 "byterev $dst, $src",
756 [(set GRRegs:$dst, (bswap GRRegs:$src))]>;
758 def CLZ_l2r : _FL2R<(outs GRRegs:$dst), (ins GRRegs:$src),
760 [(set GRRegs:$dst, (ctlz GRRegs:$src))]>;
763 // TODO edu, eeu, waitet, waitef, freer, tstart, msync, mjoin, syncr, clrtp
764 // bru, setdp, setcp, setv, setev, kcall
766 let isBranch=1, isIndirectBranch=1, isTerminator=1 in
767 def BAU_1r : _F1R<(outs), (ins GRRegs:$addr),
769 [(brind GRRegs:$addr)]>;
771 let Defs=[SP], neverHasSideEffects=1 in
772 def SETSP_1r : _F1R<(outs), (ins GRRegs:$src),
776 let isBarrier = 1, hasCtrlDep = 1 in
777 def ECALLT_1r : _F1R<(outs), (ins GRRegs:$src),
781 let isBarrier = 1, hasCtrlDep = 1 in
782 def ECALLF_1r : _F1R<(outs), (ins GRRegs:$src),
787 // All calls clobber the the link register and the non-callee-saved registers:
788 Defs = [R0, R1, R2, R3, R11, LR] in {
789 def BLA_1r : _F1R<(outs), (ins GRRegs:$addr, variable_ops),
791 [(XCoreBranchLink GRRegs:$addr)]>;
794 // Zero operand short
795 // TODO waiteu, clre, ssync, freet, ldspc, stspc, ldssr, stssr, ldsed, stsed,
796 // stet, geted, getet, getkep, getksp, setkep, getid, kret, dcall, dret,
800 def GETID_0R : _F0R<(outs), (ins),
802 [(set R11, (int_xcore_getid))]>;
804 //===----------------------------------------------------------------------===//
805 // Non-Instruction Patterns
806 //===----------------------------------------------------------------------===//
808 def : Pat<(XCoreBranchLink tglobaladdr:$addr), (BL_lu10 tglobaladdr:$addr)>;
809 def : Pat<(XCoreBranchLink texternalsym:$addr), (BL_lu10 texternalsym:$addr)>;
812 def : Pat<(sext_inreg GRRegs:$b, i1), (SEXT_rus GRRegs:$b, 1)>;
813 def : Pat<(sext_inreg GRRegs:$b, i8), (SEXT_rus GRRegs:$b, 8)>;
814 def : Pat<(sext_inreg GRRegs:$b, i16), (SEXT_rus GRRegs:$b, 16)>;
817 def : Pat<(zextloadi8 (add GRRegs:$addr, GRRegs:$offset)),
818 (LD8U_3r GRRegs:$addr, GRRegs:$offset)>;
819 def : Pat<(zextloadi8 GRRegs:$addr), (LD8U_3r GRRegs:$addr, (LDC_ru6 0))>;
821 def : Pat<(sextloadi16 (lda16f GRRegs:$addr, GRRegs:$offset)),
822 (LD16S_3r GRRegs:$addr, GRRegs:$offset)>;
823 def : Pat<(sextloadi16 GRRegs:$addr), (LD16S_3r GRRegs:$addr, (LDC_ru6 0))>;
825 def : Pat<(load (ldawf GRRegs:$addr, GRRegs:$offset)),
826 (LDW_3r GRRegs:$addr, GRRegs:$offset)>;
827 def : Pat<(load (add GRRegs:$addr, immUs4:$offset)),
828 (LDW_2rus GRRegs:$addr, (div4_xform immUs4:$offset))>;
829 def : Pat<(load GRRegs:$addr), (LDW_2rus GRRegs:$addr, 0)>;
832 def : Pat<(extloadi8 (add GRRegs:$addr, GRRegs:$offset)),
833 (LD8U_3r GRRegs:$addr, GRRegs:$offset)>;
834 def : Pat<(extloadi8 GRRegs:$addr), (LD8U_3r GRRegs:$addr, (LDC_ru6 0))>;
835 def : Pat<(extloadi16 (lda16f GRRegs:$addr, GRRegs:$offset)),
836 (LD16S_3r GRRegs:$addr, GRRegs:$offset)>;
837 def : Pat<(extloadi16 GRRegs:$addr), (LD16S_3r GRRegs:$addr, (LDC_ru6 0))>;
840 def : Pat<(truncstorei8 GRRegs:$val, (add GRRegs:$addr, GRRegs:$offset)),
841 (ST8_l3r GRRegs:$val, GRRegs:$addr, GRRegs:$offset)>;
842 def : Pat<(truncstorei8 GRRegs:$val, GRRegs:$addr),
843 (ST8_l3r GRRegs:$val, GRRegs:$addr, (LDC_ru6 0))>;
845 def : Pat<(truncstorei16 GRRegs:$val, (lda16f GRRegs:$addr, GRRegs:$offset)),
846 (ST16_l3r GRRegs:$val, GRRegs:$addr, GRRegs:$offset)>;
847 def : Pat<(truncstorei16 GRRegs:$val, GRRegs:$addr),
848 (ST16_l3r GRRegs:$val, GRRegs:$addr, (LDC_ru6 0))>;
850 def : Pat<(store GRRegs:$val, (ldawf GRRegs:$addr, GRRegs:$offset)),
851 (STW_3r GRRegs:$val, GRRegs:$addr, GRRegs:$offset)>;
852 def : Pat<(store GRRegs:$val, (add GRRegs:$addr, immUs4:$offset)),
853 (STW_2rus GRRegs:$val, GRRegs:$addr, (div4_xform immUs4:$offset))>;
854 def : Pat<(store GRRegs:$val, GRRegs:$addr),
855 (STW_2rus GRRegs:$val, GRRegs:$addr, 0)>;
858 def : Pat<(cttz GRRegs:$src), (CLZ_l2r (BITREV_l2r GRRegs:$src))>;
861 def : Pat<(trap), (ECALLF_1r (LDC_ru6 0))>;
867 // unconditional branch
868 def : Pat<(br bb:$addr), (BRFU_lu6 bb:$addr)>;
870 // direct match equal/notequal zero brcond
871 def : Pat<(brcond (setne GRRegs:$lhs, 0), bb:$dst),
872 (BRFT_lru6 GRRegs:$lhs, bb:$dst)>;
873 def : Pat<(brcond (seteq GRRegs:$lhs, 0), bb:$dst),
874 (BRFF_lru6 GRRegs:$lhs, bb:$dst)>;
876 def : Pat<(brcond (setle GRRegs:$lhs, GRRegs:$rhs), bb:$dst),
877 (BRFF_lru6 (LSS_3r GRRegs:$rhs, GRRegs:$lhs), bb:$dst)>;
878 def : Pat<(brcond (setule GRRegs:$lhs, GRRegs:$rhs), bb:$dst),
879 (BRFF_lru6 (LSU_3r GRRegs:$rhs, GRRegs:$lhs), bb:$dst)>;
880 def : Pat<(brcond (setge GRRegs:$lhs, GRRegs:$rhs), bb:$dst),
881 (BRFF_lru6 (LSS_3r GRRegs:$lhs, GRRegs:$rhs), bb:$dst)>;
882 def : Pat<(brcond (setuge GRRegs:$lhs, GRRegs:$rhs), bb:$dst),
883 (BRFF_lru6 (LSU_3r GRRegs:$lhs, GRRegs:$rhs), bb:$dst)>;
884 def : Pat<(brcond (setne GRRegs:$lhs, GRRegs:$rhs), bb:$dst),
885 (BRFF_lru6 (EQ_3r GRRegs:$lhs, GRRegs:$rhs), bb:$dst)>;
886 def : Pat<(brcond (setne GRRegs:$lhs, immUs:$rhs), bb:$dst),
887 (BRFF_lru6 (EQ_2rus GRRegs:$lhs, immUs:$rhs), bb:$dst)>;
889 // generic brcond pattern
890 def : Pat<(brcond GRRegs:$cond, bb:$addr), (BRFT_lru6 GRRegs:$cond, bb:$addr)>;
897 // direct match equal/notequal zero select
898 def : Pat<(select (setne GRRegs:$lhs, 0), GRRegs:$T, GRRegs:$F),
899 (SELECT_CC GRRegs:$lhs, GRRegs:$T, GRRegs:$F)>;
901 def : Pat<(select (seteq GRRegs:$lhs, 0), GRRegs:$T, GRRegs:$F),
902 (SELECT_CC GRRegs:$lhs, GRRegs:$F, GRRegs:$T)>;
904 def : Pat<(select (setle GRRegs:$lhs, GRRegs:$rhs), GRRegs:$T, GRRegs:$F),
905 (SELECT_CC (LSS_3r GRRegs:$rhs, GRRegs:$lhs), GRRegs:$F, GRRegs:$T)>;
906 def : Pat<(select (setule GRRegs:$lhs, GRRegs:$rhs), GRRegs:$T, GRRegs:$F),
907 (SELECT_CC (LSU_3r GRRegs:$rhs, GRRegs:$lhs), GRRegs:$F, GRRegs:$T)>;
908 def : Pat<(select (setge GRRegs:$lhs, GRRegs:$rhs), GRRegs:$T, GRRegs:$F),
909 (SELECT_CC (LSS_3r GRRegs:$lhs, GRRegs:$rhs), GRRegs:$F, GRRegs:$T)>;
910 def : Pat<(select (setuge GRRegs:$lhs, GRRegs:$rhs), GRRegs:$T, GRRegs:$F),
911 (SELECT_CC (LSU_3r GRRegs:$lhs, GRRegs:$rhs), GRRegs:$F, GRRegs:$T)>;
912 def : Pat<(select (setne GRRegs:$lhs, GRRegs:$rhs), GRRegs:$T, GRRegs:$F),
913 (SELECT_CC (EQ_3r GRRegs:$lhs, GRRegs:$rhs), GRRegs:$F, GRRegs:$T)>;
914 def : Pat<(select (setne GRRegs:$lhs, immUs:$rhs), GRRegs:$T, GRRegs:$F),
915 (SELECT_CC (EQ_2rus GRRegs:$lhs, immUs:$rhs), GRRegs:$F, GRRegs:$T)>;
918 /// setcc patterns, only matched when none of the above brcond
922 // setcc 2 register operands
923 def : Pat<(setle GRRegs:$lhs, GRRegs:$rhs),
924 (EQ_2rus (LSS_3r GRRegs:$rhs, GRRegs:$lhs), 0)>;
925 def : Pat<(setule GRRegs:$lhs, GRRegs:$rhs),
926 (EQ_2rus (LSU_3r GRRegs:$rhs, GRRegs:$lhs), 0)>;
928 def : Pat<(setgt GRRegs:$lhs, GRRegs:$rhs),
929 (LSS_3r GRRegs:$rhs, GRRegs:$lhs)>;
930 def : Pat<(setugt GRRegs:$lhs, GRRegs:$rhs),
931 (LSU_3r GRRegs:$rhs, GRRegs:$lhs)>;
933 def : Pat<(setge GRRegs:$lhs, GRRegs:$rhs),
934 (EQ_2rus (LSS_3r GRRegs:$lhs, GRRegs:$rhs), 0)>;
935 def : Pat<(setuge GRRegs:$lhs, GRRegs:$rhs),
936 (EQ_2rus (LSU_3r GRRegs:$lhs, GRRegs:$rhs), 0)>;
938 def : Pat<(setlt GRRegs:$lhs, GRRegs:$rhs),
939 (LSS_3r GRRegs:$lhs, GRRegs:$rhs)>;
940 def : Pat<(setult GRRegs:$lhs, GRRegs:$rhs),
941 (LSU_3r GRRegs:$lhs, GRRegs:$rhs)>;
943 def : Pat<(setne GRRegs:$lhs, GRRegs:$rhs),
944 (EQ_2rus (EQ_3r GRRegs:$lhs, GRRegs:$rhs), 0)>;
946 def : Pat<(seteq GRRegs:$lhs, GRRegs:$rhs),
947 (EQ_3r GRRegs:$lhs, GRRegs:$rhs)>;
949 // setcc reg/imm operands
950 def : Pat<(seteq GRRegs:$lhs, immUs:$rhs),
951 (EQ_2rus GRRegs:$lhs, immUs:$rhs)>;
952 def : Pat<(setne GRRegs:$lhs, immUs:$rhs),
953 (EQ_2rus (EQ_2rus GRRegs:$lhs, immUs:$rhs), 0)>;
956 def : Pat<(add GRRegs:$addr, immUs4:$offset),
957 (LDAWF_l2rus GRRegs:$addr, (div4_xform immUs4:$offset))>;
959 def : Pat<(sub GRRegs:$addr, immUs4:$offset),
960 (LDAWB_l2rus GRRegs:$addr, (div4_xform immUs4:$offset))>;
962 def : Pat<(and GRRegs:$val, immMskBitp:$mask),
963 (ZEXT_rus GRRegs:$val, (msksize_xform immMskBitp:$mask))>;
965 // (sub X, imm) gets canonicalized to (add X, -imm). Match this form.
966 def : Pat<(add GRRegs:$src1, immUsNeg:$src2),
967 (SUB_2rus GRRegs:$src1, (neg_xform immUsNeg:$src2))>;
969 def : Pat<(add GRRegs:$src1, immUs4Neg:$src2),
970 (LDAWB_l2rus GRRegs:$src1, (div4neg_xform immUs4Neg:$src2))>;
976 def : Pat<(mul GRRegs:$src, 3),
977 (LDA16F_l3r GRRegs:$src, GRRegs:$src)>;
979 def : Pat<(mul GRRegs:$src, 5),
980 (LDAWF_l3r GRRegs:$src, GRRegs:$src)>;
982 def : Pat<(mul GRRegs:$src, -3),
983 (LDAWB_l3r GRRegs:$src, GRRegs:$src)>;
985 // ashr X, 32 is equivalent to ashr X, 31 on the XCore.
986 def : Pat<(sra GRRegs:$src, 31),
987 (ASHR_l2rus GRRegs:$src, 32)>;
989 def : Pat<(sra (shl GRRegs:$src, immBpwSubBitp:$imm), immBpwSubBitp:$imm),
990 (SEXT_rus GRRegs:$src, (bpwsub_xform immBpwSubBitp:$imm))>;