XCoreInstrInfo.td revision 218893
1//===- XCoreInstrInfo.td - Target Description for XCore ----*- 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 XCore instructions in TableGen format.
11//
12//===----------------------------------------------------------------------===//
13
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
17// function.
18
19//===----------------------------------------------------------------------===//
20// Instruction format superclass.
21//===----------------------------------------------------------------------===//
22
23include "XCoreInstrFormats.td"
24
25//===----------------------------------------------------------------------===//
26// XCore specific DAG Nodes.
27//
28
29// Call
30def SDT_XCoreBranchLink : SDTypeProfile<0, 1, [SDTCisPtrTy<0>]>;
31def XCoreBranchLink     : SDNode<"XCoreISD::BL",SDT_XCoreBranchLink,
32                            [SDNPHasChain, SDNPOptInGlue, SDNPOutGlue,
33                             SDNPVariadic]>;
34
35def XCoreRetsp       : SDNode<"XCoreISD::RETSP", SDTBrind,
36                         [SDNPHasChain, SDNPOptInGlue]>;
37
38def SDT_XCoreBR_JT    : SDTypeProfile<0, 2,
39                                      [SDTCisVT<0, i32>, SDTCisVT<1, i32>]>;
40
41def XCoreBR_JT : SDNode<"XCoreISD::BR_JT", SDT_XCoreBR_JT,
42                        [SDNPHasChain]>;
43
44def XCoreBR_JT32 : SDNode<"XCoreISD::BR_JT32", SDT_XCoreBR_JT,
45                        [SDNPHasChain]>;
46
47def SDT_XCoreAddress    : SDTypeProfile<1, 1,
48                            [SDTCisSameAs<0, 1>, SDTCisPtrTy<0>]>;
49
50def pcrelwrapper : SDNode<"XCoreISD::PCRelativeWrapper", SDT_XCoreAddress,
51                           []>;
52
53def dprelwrapper : SDNode<"XCoreISD::DPRelativeWrapper", SDT_XCoreAddress,
54                           []>;
55
56def cprelwrapper : SDNode<"XCoreISD::CPRelativeWrapper", SDT_XCoreAddress,
57                           []>;
58
59def SDT_XCoreStwsp    : SDTypeProfile<0, 2, [SDTCisInt<1>]>;
60def XCoreStwsp        : SDNode<"XCoreISD::STWSP", SDT_XCoreStwsp,
61                               [SDNPHasChain]>;
62
63// These are target-independent nodes, but have target-specific formats.
64def SDT_XCoreCallSeqStart : SDCallSeqStart<[ SDTCisVT<0, i32> ]>;
65def SDT_XCoreCallSeqEnd   : SDCallSeqEnd<[ SDTCisVT<0, i32>,
66                                        SDTCisVT<1, i32> ]>;
67
68def callseq_start : SDNode<"ISD::CALLSEQ_START", SDT_XCoreCallSeqStart,
69                           [SDNPHasChain, SDNPOutGlue]>;
70def callseq_end   : SDNode<"ISD::CALLSEQ_END",   SDT_XCoreCallSeqEnd,
71                           [SDNPHasChain, SDNPOptInGlue, SDNPOutGlue]>;
72
73//===----------------------------------------------------------------------===//
74// Instruction Pattern Stuff
75//===----------------------------------------------------------------------===//
76
77def div4_xform : SDNodeXForm<imm, [{
78  // Transformation function: imm/4
79  assert(N->getZExtValue() % 4 == 0);
80  return getI32Imm(N->getZExtValue()/4);
81}]>;
82
83def msksize_xform : SDNodeXForm<imm, [{
84  // Transformation function: get the size of a mask
85  assert(isMask_32(N->getZExtValue()));
86  // look for the first non-zero bit
87  return getI32Imm(32 - CountLeadingZeros_32(N->getZExtValue()));
88}]>;
89
90def neg_xform : SDNodeXForm<imm, [{
91  // Transformation function: -imm
92  uint32_t value = N->getZExtValue();
93  return getI32Imm(-value);
94}]>;
95
96def bpwsub_xform : SDNodeXForm<imm, [{
97  // Transformation function: 32-imm
98  uint32_t value = N->getZExtValue();
99  return getI32Imm(32-value);
100}]>;
101
102def div4neg_xform : SDNodeXForm<imm, [{
103  // Transformation function: -imm/4
104  uint32_t value = N->getZExtValue();
105  assert(-value % 4 == 0);
106  return getI32Imm(-value/4);
107}]>;
108
109def immUs4Neg : PatLeaf<(imm), [{
110  uint32_t value = (uint32_t)N->getZExtValue();
111  return (-value)%4 == 0 && (-value)/4 <= 11;
112}]>;
113
114def immUs4 : PatLeaf<(imm), [{
115  uint32_t value = (uint32_t)N->getZExtValue();
116  return value%4 == 0 && value/4 <= 11;
117}]>;
118
119def immUsNeg : PatLeaf<(imm), [{
120  return -((uint32_t)N->getZExtValue()) <= 11;
121}]>;
122
123def immUs : PatLeaf<(imm), [{
124  return (uint32_t)N->getZExtValue() <= 11;
125}]>;
126
127def immU6 : PatLeaf<(imm), [{
128  return (uint32_t)N->getZExtValue() < (1 << 6);
129}]>;
130
131def immU10 : PatLeaf<(imm), [{
132  return (uint32_t)N->getZExtValue() < (1 << 10);
133}]>;
134
135def immU16 : PatLeaf<(imm), [{
136  return (uint32_t)N->getZExtValue() < (1 << 16);
137}]>;
138
139def immU20 : PatLeaf<(imm), [{
140  return (uint32_t)N->getZExtValue() < (1 << 20);
141}]>;
142
143def immMskBitp : PatLeaf<(imm), [{ return immMskBitp(N); }]>;
144
145def immBitp : PatLeaf<(imm), [{
146  uint32_t value = (uint32_t)N->getZExtValue();
147  return (value >= 1 && value <= 8)
148          || value == 16
149          || value == 24
150          || value == 32;
151}]>;
152
153def immBpwSubBitp : PatLeaf<(imm), [{
154  uint32_t value = (uint32_t)N->getZExtValue();
155  return (value >= 24 && value <= 31)
156          || value == 16
157          || value == 8
158          || value == 0;
159}]>;
160
161def lda16f : PatFrag<(ops node:$addr, node:$offset),
162                     (add node:$addr, (shl node:$offset, 1))>;
163def lda16b : PatFrag<(ops node:$addr, node:$offset),
164                     (sub node:$addr, (shl node:$offset, 1))>;
165def ldawf : PatFrag<(ops node:$addr, node:$offset),
166                     (add node:$addr, (shl node:$offset, 2))>;
167def ldawb : PatFrag<(ops node:$addr, node:$offset),
168                     (sub node:$addr, (shl node:$offset, 2))>;
169
170// Instruction operand types
171def calltarget  : Operand<i32>;
172def brtarget : Operand<OtherVT>;
173def pclabel : Operand<i32>;
174
175// Addressing modes
176def ADDRspii : ComplexPattern<i32, 2, "SelectADDRspii", [add, frameindex], []>;
177def ADDRdpii : ComplexPattern<i32, 2, "SelectADDRdpii", [add, dprelwrapper],
178                 []>;
179def ADDRcpii : ComplexPattern<i32, 2, "SelectADDRcpii", [add, cprelwrapper],
180                 []>;
181
182// Address operands
183def MEMii : Operand<i32> {
184  let PrintMethod = "printMemOperand";
185  let MIOperandInfo = (ops i32imm, i32imm);
186}
187
188// Jump tables.
189def InlineJT : Operand<i32> {
190  let PrintMethod = "printInlineJT";
191}
192
193def InlineJT32 : Operand<i32> {
194  let PrintMethod = "printInlineJT32";
195}
196
197//===----------------------------------------------------------------------===//
198// Instruction Class Templates
199//===----------------------------------------------------------------------===//
200
201// Three operand short
202
203multiclass F3R_2RUS<string OpcStr, SDNode OpNode> {
204  def _3r: _F3R<
205                 (outs GRRegs:$dst), (ins GRRegs:$b, GRRegs:$c),
206                 !strconcat(OpcStr, " $dst, $b, $c"),
207                 [(set GRRegs:$dst, (OpNode GRRegs:$b, GRRegs:$c))]>;
208  def _2rus : _F2RUS<
209                 (outs GRRegs:$dst), (ins GRRegs:$b, i32imm:$c),
210                 !strconcat(OpcStr, " $dst, $b, $c"),
211                 [(set GRRegs:$dst, (OpNode GRRegs:$b, immUs:$c))]>;
212}
213
214multiclass F3R_2RUS_np<string OpcStr> {
215  def _3r: _F3R<
216                 (outs GRRegs:$dst), (ins GRRegs:$b, GRRegs:$c),
217                 !strconcat(OpcStr, " $dst, $b, $c"),
218                 []>;
219  def _2rus : _F2RUS<
220                 (outs GRRegs:$dst), (ins GRRegs:$b, i32imm:$c),
221                 !strconcat(OpcStr, " $dst, $b, $c"),
222                 []>;
223}
224
225multiclass F3R_2RBITP<string OpcStr, SDNode OpNode> {
226  def _3r: _F3R<
227                 (outs GRRegs:$dst), (ins GRRegs:$b, GRRegs:$c),
228                 !strconcat(OpcStr, " $dst, $b, $c"),
229                 [(set GRRegs:$dst, (OpNode GRRegs:$b, GRRegs:$c))]>;
230  def _2rus : _F2RUS<
231                 (outs GRRegs:$dst), (ins GRRegs:$b, i32imm:$c),
232                 !strconcat(OpcStr, " $dst, $b, $c"),
233                 [(set GRRegs:$dst, (OpNode GRRegs:$b, immBitp:$c))]>;
234}
235
236class F3R<string OpcStr, SDNode OpNode> : _F3R<
237                 (outs GRRegs:$dst), (ins GRRegs:$b, GRRegs:$c),
238                 !strconcat(OpcStr, " $dst, $b, $c"),
239                 [(set GRRegs:$dst, (OpNode GRRegs:$b, GRRegs:$c))]>;
240
241class F3R_np<string OpcStr> : _F3R<
242                 (outs GRRegs:$dst), (ins GRRegs:$b, GRRegs:$c),
243                 !strconcat(OpcStr, " $dst, $b, $c"),
244                 []>;
245// Three operand long
246
247/// FL3R_L2RUS multiclass - Define a normal FL3R/FL2RUS pattern in one shot.
248multiclass FL3R_L2RUS<string OpcStr, SDNode OpNode> {
249  def _l3r: _FL3R<
250                 (outs GRRegs:$dst), (ins GRRegs:$b, GRRegs:$c),
251                 !strconcat(OpcStr, " $dst, $b, $c"),
252                 [(set GRRegs:$dst, (OpNode GRRegs:$b, GRRegs:$c))]>;
253  def _l2rus : _FL2RUS<
254                 (outs GRRegs:$dst), (ins GRRegs:$b, i32imm:$c),
255                 !strconcat(OpcStr, " $dst, $b, $c"),
256                 [(set GRRegs:$dst, (OpNode GRRegs:$b, immUs:$c))]>;
257}
258
259/// FL3R_L2RUS multiclass - Define a normal FL3R/FL2RUS pattern in one shot.
260multiclass FL3R_L2RBITP<string OpcStr, SDNode OpNode> {
261  def _l3r: _FL3R<
262                 (outs GRRegs:$dst), (ins GRRegs:$b, GRRegs:$c),
263                 !strconcat(OpcStr, " $dst, $b, $c"),
264                 [(set GRRegs:$dst, (OpNode GRRegs:$b, GRRegs:$c))]>;
265  def _l2rus : _FL2RUS<
266                 (outs GRRegs:$dst), (ins GRRegs:$b, i32imm:$c),
267                 !strconcat(OpcStr, " $dst, $b, $c"),
268                 [(set GRRegs:$dst, (OpNode GRRegs:$b, immBitp:$c))]>;
269}
270
271class FL3R<string OpcStr, SDNode OpNode> : _FL3R<
272                 (outs GRRegs:$dst), (ins GRRegs:$b, GRRegs:$c),
273                 !strconcat(OpcStr, " $dst, $b, $c"),
274                 [(set GRRegs:$dst, (OpNode GRRegs:$b, GRRegs:$c))]>;
275
276// Register - U6
277// Operand register - U6
278multiclass FRU6_LRU6_branch<string OpcStr> {
279  def _ru6: _FRU6<
280                 (outs), (ins GRRegs:$cond, brtarget:$dest),
281                 !strconcat(OpcStr, " $cond, $dest"),
282                 []>;
283  def _lru6: _FLRU6<
284                 (outs), (ins GRRegs:$cond, brtarget:$dest),
285                 !strconcat(OpcStr, " $cond, $dest"),
286                 []>;
287}
288
289multiclass FRU6_LRU6_cp<string OpcStr> {
290  def _ru6: _FRU6<
291                 (outs GRRegs:$dst), (ins i32imm:$a),
292                 !strconcat(OpcStr, " $dst, cp[$a]"),
293                 []>;
294  def _lru6: _FLRU6<
295                 (outs GRRegs:$dst), (ins i32imm:$a),
296                 !strconcat(OpcStr, " $dst, cp[$a]"),
297                 []>;
298}
299
300// U6
301multiclass FU6_LU6<string OpcStr, SDNode OpNode> {
302  def _u6: _FU6<
303                 (outs), (ins i32imm:$b),
304                 !strconcat(OpcStr, " $b"),
305                 [(OpNode immU6:$b)]>;
306  def _lu6: _FLU6<
307                 (outs), (ins i32imm:$b),
308                 !strconcat(OpcStr, " $b"),
309                 [(OpNode immU16:$b)]>;
310}
311
312multiclass FU6_LU6_np<string OpcStr> {
313  def _u6: _FU6<
314                 (outs), (ins i32imm:$b),
315                 !strconcat(OpcStr, " $b"),
316                 []>;
317  def _lu6: _FLU6<
318                 (outs), (ins i32imm:$b),
319                 !strconcat(OpcStr, " $b"),
320                 []>;
321}
322
323// U10
324multiclass FU10_LU10_np<string OpcStr> {
325  def _u10: _FU10<
326                 (outs), (ins i32imm:$b),
327                 !strconcat(OpcStr, " $b"),
328                 []>;
329  def _lu10: _FLU10<
330                 (outs), (ins i32imm:$b),
331                 !strconcat(OpcStr, " $b"),
332                 []>;
333}
334
335// Two operand short
336
337class F2R_np<string OpcStr> : _F2R<
338                 (outs GRRegs:$dst), (ins GRRegs:$b),
339                 !strconcat(OpcStr, " $dst, $b"),
340                 []>;
341
342// Two operand long
343
344//===----------------------------------------------------------------------===//
345// Pseudo Instructions
346//===----------------------------------------------------------------------===//
347
348let Defs = [SP], Uses = [SP] in {
349def ADJCALLSTACKDOWN : PseudoInstXCore<(outs), (ins i32imm:$amt),
350                               "${:comment} ADJCALLSTACKDOWN $amt",
351                               [(callseq_start timm:$amt)]>;
352def ADJCALLSTACKUP : PseudoInstXCore<(outs), (ins i32imm:$amt1, i32imm:$amt2),
353                            "${:comment} ADJCALLSTACKUP $amt1",
354                            [(callseq_end timm:$amt1, timm:$amt2)]>;
355}
356
357def LDWFI : PseudoInstXCore<(outs GRRegs:$dst), (ins MEMii:$addr),
358                             "${:comment} LDWFI $dst, $addr",
359                             [(set GRRegs:$dst, (load ADDRspii:$addr))]>;
360
361def LDAWFI : PseudoInstXCore<(outs GRRegs:$dst), (ins MEMii:$addr),
362                             "${:comment} LDAWFI $dst, $addr",
363                             [(set GRRegs:$dst, ADDRspii:$addr)]>;
364
365def STWFI : PseudoInstXCore<(outs), (ins GRRegs:$src, MEMii:$addr),
366                            "${:comment} STWFI $src, $addr",
367                            [(store GRRegs:$src, ADDRspii:$addr)]>;
368
369// SELECT_CC_* - Used to implement the SELECT_CC DAG operation.  Expanded after
370// instruction selection into a branch sequence.
371let usesCustomInserter = 1 in {
372  def SELECT_CC : PseudoInstXCore<(outs GRRegs:$dst),
373                              (ins GRRegs:$cond, GRRegs:$T, GRRegs:$F),
374                              "${:comment} SELECT_CC PSEUDO!",
375                              [(set GRRegs:$dst,
376                                 (select GRRegs:$cond, GRRegs:$T, GRRegs:$F))]>;
377}
378
379//===----------------------------------------------------------------------===//
380// Instructions
381//===----------------------------------------------------------------------===//
382
383// Three operand short
384defm ADD : F3R_2RUS<"add", add>;
385defm SUB : F3R_2RUS<"sub", sub>;
386let neverHasSideEffects = 1 in {
387defm EQ : F3R_2RUS_np<"eq">;
388def LSS_3r : F3R_np<"lss">;
389def LSU_3r : F3R_np<"lsu">;
390}
391def AND_3r : F3R<"and", and>;
392def OR_3r : F3R<"or", or>;
393
394let mayLoad=1 in {
395def LDW_3r : _F3R<(outs GRRegs:$dst), (ins GRRegs:$addr, GRRegs:$offset),
396                  "ldw $dst, $addr[$offset]",
397                  []>;
398
399def LDW_2rus : _F2RUS<(outs GRRegs:$dst), (ins GRRegs:$addr, i32imm:$offset),
400                  "ldw $dst, $addr[$offset]",
401                  []>;
402
403def LD16S_3r :  _F3R<(outs GRRegs:$dst), (ins GRRegs:$addr, GRRegs:$offset),
404                  "ld16s $dst, $addr[$offset]",
405                  []>;
406
407def LD8U_3r :  _F3R<(outs GRRegs:$dst), (ins GRRegs:$addr, GRRegs:$offset),
408                  "ld8u $dst, $addr[$offset]",
409                  []>;
410}
411
412let mayStore=1 in {
413def STW_3r : _F3R<(outs), (ins GRRegs:$val, GRRegs:$addr, GRRegs:$offset),
414                  "stw $val, $addr[$offset]",
415                  []>;
416
417def STW_2rus : _F2RUS<(outs), (ins GRRegs:$val, GRRegs:$addr, i32imm:$offset),
418                  "stw $val, $addr[$offset]",
419                  []>;
420}
421
422defm SHL : F3R_2RBITP<"shl", shl>;
423defm SHR : F3R_2RBITP<"shr", srl>;
424// TODO tsetr
425
426// Three operand long
427def LDAWF_l3r : _FL3R<(outs GRRegs:$dst), (ins GRRegs:$addr, GRRegs:$offset),
428                  "ldaw $dst, $addr[$offset]",
429                  [(set GRRegs:$dst, (ldawf GRRegs:$addr, GRRegs:$offset))]>;
430
431let neverHasSideEffects = 1 in
432def LDAWF_l2rus : _FL2RUS<(outs GRRegs:$dst),
433                    (ins GRRegs:$addr, i32imm:$offset),
434                    "ldaw $dst, $addr[$offset]",
435                    []>;
436
437def LDAWB_l3r : _FL3R<(outs GRRegs:$dst), (ins GRRegs:$addr, GRRegs:$offset),
438                  "ldaw $dst, $addr[-$offset]",
439                  [(set GRRegs:$dst, (ldawb GRRegs:$addr, GRRegs:$offset))]>;
440
441let neverHasSideEffects = 1 in
442def LDAWB_l2rus : _FL2RUS<(outs GRRegs:$dst),
443                    (ins GRRegs:$addr, i32imm:$offset),
444                    "ldaw $dst, $addr[-$offset]",
445                    []>;
446
447def LDA16F_l3r : _FL3R<(outs GRRegs:$dst), (ins GRRegs:$addr, GRRegs:$offset),
448                  "lda16 $dst, $addr[$offset]",
449                  [(set GRRegs:$dst, (lda16f GRRegs:$addr, GRRegs:$offset))]>;
450
451def LDA16B_l3r : _FL3R<(outs GRRegs:$dst), (ins GRRegs:$addr, GRRegs:$offset),
452                  "lda16 $dst, $addr[-$offset]",
453                  [(set GRRegs:$dst, (lda16b GRRegs:$addr, GRRegs:$offset))]>;
454
455def MUL_l3r : FL3R<"mul", mul>;
456// Instructions which may trap are marked as side effecting.
457let hasSideEffects = 1 in {
458def DIVS_l3r : FL3R<"divs", sdiv>;
459def DIVU_l3r : FL3R<"divu", udiv>;
460def REMS_l3r : FL3R<"rems", srem>;
461def REMU_l3r : FL3R<"remu", urem>;
462}
463def XOR_l3r : FL3R<"xor", xor>;
464defm ASHR : FL3R_L2RBITP<"ashr", sra>;
465// TODO crc32, crc8, inpw, outpw
466let mayStore=1 in {
467def ST16_l3r : _FL3R<(outs), (ins GRRegs:$val, GRRegs:$addr, GRRegs:$offset),
468                "st16 $val, $addr[$offset]",
469                []>;
470
471def ST8_l3r : _FL3R<(outs), (ins GRRegs:$val, GRRegs:$addr, GRRegs:$offset),
472                "st8 $val, $addr[$offset]",
473                []>;
474}
475
476// Four operand long
477let Constraints = "$src1 = $dst1,$src2 = $dst2" in {
478def MACCU_l4r : _L4R<(outs GRRegs:$dst1, GRRegs:$dst2),
479                    (ins GRRegs:$src1, GRRegs:$src2, GRRegs:$src3,
480                      GRRegs:$src4),
481                    "maccu $dst1, $dst2, $src3, $src4",
482                    []>;
483
484def MACCS_l4r : _L4R<(outs GRRegs:$dst1, GRRegs:$dst2),
485                    (ins GRRegs:$src1, GRRegs:$src2, GRRegs:$src3,
486                      GRRegs:$src4),
487                    "maccs $dst1, $dst2, $src3, $src4",
488                    []>;
489}
490
491// Five operand long
492
493def LADD_l5r : _L5R<(outs GRRegs:$dst1, GRRegs:$dst2),
494                    (ins GRRegs:$src1, GRRegs:$src2, GRRegs:$src3),
495                    "ladd $dst1, $dst2, $src1, $src2, $src3",
496                    []>;
497
498def LSUB_l5r : _L5R<(outs GRRegs:$dst1, GRRegs:$dst2),
499                    (ins GRRegs:$src1, GRRegs:$src2, GRRegs:$src3),
500                    "lsub $dst1, $dst2, $src1, $src2, $src3",
501                    []>;
502
503def LDIV_l5r : _L5R<(outs GRRegs:$dst1, GRRegs:$dst2),
504                    (ins GRRegs:$src1, GRRegs:$src2, GRRegs:$src3),
505                    "ldiv $dst1, $dst2, $src1, $src2, $src3",
506                    []>;
507
508// Six operand long
509
510def LMUL_l6r : _L6R<(outs GRRegs:$dst1, GRRegs:$dst2),
511                    (ins GRRegs:$src1, GRRegs:$src2, GRRegs:$src3,
512                      GRRegs:$src4),
513                    "lmul $dst1, $dst2, $src1, $src2, $src3, $src4",
514                    []>;
515
516// Register - U6
517
518//let Uses = [DP] in ...
519let neverHasSideEffects = 1, isReMaterializable = 1 in
520def LDAWDP_ru6: _FRU6<(outs GRRegs:$dst), (ins MEMii:$a),
521                    "ldaw $dst, dp[$a]",
522                    []>;
523
524let isReMaterializable = 1 in                    
525def LDAWDP_lru6: _FLRU6<
526                    (outs GRRegs:$dst), (ins MEMii:$a),
527                    "ldaw $dst, dp[$a]",
528                    [(set GRRegs:$dst, ADDRdpii:$a)]>;
529
530let mayLoad=1 in
531def LDWDP_ru6: _FRU6<(outs GRRegs:$dst), (ins MEMii:$a),
532                    "ldw $dst, dp[$a]",
533                    []>;
534                    
535def LDWDP_lru6: _FLRU6<
536                    (outs GRRegs:$dst), (ins MEMii:$a),
537                    "ldw $dst, dp[$a]",
538                    [(set GRRegs:$dst, (load ADDRdpii:$a))]>;
539
540let mayStore=1 in
541def STWDP_ru6 : _FRU6<(outs), (ins GRRegs:$val, MEMii:$addr),
542                  "stw $val, dp[$addr]",
543                  []>;
544
545def STWDP_lru6 : _FLRU6<(outs), (ins GRRegs:$val, MEMii:$addr),
546                  "stw $val, dp[$addr]",
547                  [(store GRRegs:$val, ADDRdpii:$addr)]>;
548
549//let Uses = [CP] in ..
550let mayLoad = 1, isReMaterializable = 1 in
551defm LDWCP : FRU6_LRU6_cp<"ldw">;
552
553let Uses = [SP] in {
554let mayStore=1 in {
555def STWSP_ru6 : _FRU6<
556                 (outs), (ins GRRegs:$val, i32imm:$index),
557                 "stw $val, sp[$index]",
558                 [(XCoreStwsp GRRegs:$val, immU6:$index)]>;
559
560def STWSP_lru6 : _FLRU6<
561                 (outs), (ins GRRegs:$val, i32imm:$index),
562                 "stw $val, sp[$index]",
563                 [(XCoreStwsp GRRegs:$val, immU16:$index)]>;
564}
565
566let mayLoad=1 in {
567def LDWSP_ru6 : _FRU6<
568                 (outs GRRegs:$dst), (ins i32imm:$b),
569                 "ldw $dst, sp[$b]",
570                 []>;
571
572def LDWSP_lru6 : _FLRU6<
573                 (outs GRRegs:$dst), (ins i32imm:$b),
574                 "ldw $dst, sp[$b]",
575                 []>;
576}
577
578let neverHasSideEffects = 1 in {
579def LDAWSP_ru6 : _FRU6<
580                 (outs GRRegs:$dst), (ins i32imm:$b),
581                 "ldaw $dst, sp[$b]",
582                 []>;
583
584def LDAWSP_lru6 : _FLRU6<
585                 (outs GRRegs:$dst), (ins i32imm:$b),
586                 "ldaw $dst, sp[$b]",
587                 []>;
588
589def LDAWSP_ru6_RRegs : _FRU6<
590                 (outs RRegs:$dst), (ins i32imm:$b),
591                 "ldaw $dst, sp[$b]",
592                 []>;
593
594def LDAWSP_lru6_RRegs : _FLRU6<
595                 (outs RRegs:$dst), (ins i32imm:$b),
596                 "ldaw $dst, sp[$b]",
597                 []>;
598}
599}
600
601let isReMaterializable = 1 in {
602def LDC_ru6 : _FRU6<
603                 (outs GRRegs:$dst), (ins i32imm:$b),
604                 "ldc $dst, $b",
605                 [(set GRRegs:$dst, immU6:$b)]>;
606
607def LDC_lru6 : _FLRU6<
608                 (outs GRRegs:$dst), (ins i32imm:$b),
609                 "ldc $dst, $b",
610                 [(set GRRegs:$dst, immU16:$b)]>;
611}
612
613def SETC_ru6 : _FRU6<(outs), (ins GRRegs:$r, i32imm:$val),
614                  "setc res[$r], $val",
615                  [(int_xcore_setc GRRegs:$r, immU6:$val)]>;
616
617def SETC_lru6 : _FLRU6<(outs), (ins GRRegs:$r, i32imm:$val),
618                  "setc res[$r], $val",
619                  [(int_xcore_setc GRRegs:$r, immU16:$val)]>;
620
621// Operand register - U6
622let isBranch = 1, isTerminator = 1 in {
623defm BRFT: FRU6_LRU6_branch<"bt">;
624defm BRBT: FRU6_LRU6_branch<"bt">;
625defm BRFF: FRU6_LRU6_branch<"bf">;
626defm BRBF: FRU6_LRU6_branch<"bf">;
627}
628
629// U6
630let Defs = [SP], Uses = [SP] in {
631let neverHasSideEffects = 1 in
632defm EXTSP : FU6_LU6_np<"extsp">;
633let mayStore = 1 in
634defm ENTSP : FU6_LU6_np<"entsp">;
635
636let isReturn = 1, isTerminator = 1, mayLoad = 1, isBarrier = 1 in {
637defm RETSP : FU6_LU6<"retsp", XCoreRetsp>;
638}
639}
640
641// TODO extdp, kentsp, krestsp, blat, setsr
642// clrsr, getsr, kalli
643let isBranch = 1, isTerminator = 1, isBarrier = 1 in {
644def BRBU_u6 : _FU6<
645                 (outs),
646                 (ins brtarget:$target),
647                 "bu $target",
648                 []>;
649
650def BRBU_lu6 : _FLU6<
651                 (outs),
652                 (ins brtarget:$target),
653                 "bu $target",
654                 []>;
655
656def BRFU_u6 : _FU6<
657                 (outs),
658                 (ins brtarget:$target),
659                 "bu $target",
660                 []>;
661
662def BRFU_lu6 : _FLU6<
663                 (outs),
664                 (ins brtarget:$target),
665                 "bu $target",
666                 []>;
667}
668
669//let Uses = [CP] in ...
670let Defs = [R11], neverHasSideEffects = 1, isReMaterializable = 1 in
671def LDAWCP_u6: _FRU6<(outs), (ins MEMii:$a),
672                    "ldaw r11, cp[$a]",
673                    []>;
674
675let Defs = [R11], isReMaterializable = 1 in
676def LDAWCP_lu6: _FLRU6<
677                    (outs), (ins MEMii:$a),
678                    "ldaw r11, cp[$a]",
679                    [(set R11, ADDRcpii:$a)]>;
680
681// U10
682// TODO ldwcpl, blacp
683
684let Defs = [R11], isReMaterializable = 1, neverHasSideEffects = 1 in
685def LDAP_u10 : _FU10<
686                  (outs),
687                  (ins i32imm:$addr),
688                  "ldap r11, $addr",
689                  []>;
690
691let Defs = [R11], isReMaterializable = 1 in
692def LDAP_lu10 : _FLU10<
693                  (outs),
694                  (ins i32imm:$addr),
695                  "ldap r11, $addr",
696                  [(set R11, (pcrelwrapper tglobaladdr:$addr))]>;
697
698let Defs = [R11], isReMaterializable = 1 in
699def LDAP_lu10_ba : _FLU10<(outs),
700                          (ins i32imm:$addr),
701                          "ldap r11, $addr",
702                          [(set R11, (pcrelwrapper tblockaddress:$addr))]>;
703
704let isCall=1,
705// All calls clobber the link register and the non-callee-saved registers:
706Defs = [R0, R1, R2, R3, R11, LR] in {
707def BL_u10 : _FU10<
708                  (outs),
709                  (ins calltarget:$target, variable_ops),
710                  "bl $target",
711                  [(XCoreBranchLink immU10:$target)]>;
712
713def BL_lu10 : _FLU10<
714                  (outs),
715                  (ins calltarget:$target, variable_ops),
716                  "bl $target",
717                  [(XCoreBranchLink immU20:$target)]>;
718}
719
720// Two operand short
721// TODO getr, getst
722def NOT : _F2R<(outs GRRegs:$dst), (ins GRRegs:$b),
723                 "not $dst, $b",
724                 [(set GRRegs:$dst, (not GRRegs:$b))]>;
725
726def NEG : _F2R<(outs GRRegs:$dst), (ins GRRegs:$b),
727                 "neg $dst, $b",
728                 [(set GRRegs:$dst, (ineg GRRegs:$b))]>;
729
730// TODO setd, eet, eef, getts, setpt, outshr, inshr, testwct, tinitpc, tinitdp,
731// tinitsp, tinitcp, tsetmr, sext (reg), zext (reg)
732let Constraints = "$src1 = $dst" in {
733let neverHasSideEffects = 1 in
734def SEXT_rus : _FRUS<(outs GRRegs:$dst), (ins GRRegs:$src1, i32imm:$src2),
735                 "sext $dst, $src2",
736                 []>;
737
738let neverHasSideEffects = 1 in
739def ZEXT_rus : _FRUS<(outs GRRegs:$dst), (ins GRRegs:$src1, i32imm:$src2),
740                 "zext $dst, $src2",
741                 []>;
742
743def ANDNOT_2r : _F2R<(outs GRRegs:$dst), (ins GRRegs:$src1, GRRegs:$src2),
744                 "andnot $dst, $src2",
745                 [(set GRRegs:$dst, (and GRRegs:$src1, (not GRRegs:$src2)))]>;
746}
747
748let isReMaterializable = 1, neverHasSideEffects = 1 in
749def MKMSK_rus : _FRUS<(outs GRRegs:$dst), (ins i32imm:$size),
750                 "mkmsk $dst, $size",
751                 []>;
752
753def MKMSK_2r : _FRUS<(outs GRRegs:$dst), (ins GRRegs:$size),
754                 "mkmsk $dst, $size",
755                 [(set GRRegs:$dst, (add (shl 1, GRRegs:$size), 0xffffffff))]>;
756
757def GETR_rus : _FRUS<(outs GRRegs:$dst), (ins i32imm:$type),
758                 "getr $dst, $type",
759                 [(set GRRegs:$dst, (int_xcore_getr immUs:$type))]>;
760
761def OUTCT_2r : _F2R<(outs), (ins GRRegs:$r, GRRegs:$val),
762                 "outct res[$r], $val",
763                 [(int_xcore_outct GRRegs:$r, GRRegs:$val)]>;
764
765def OUTCT_rus : _F2R<(outs), (ins GRRegs:$r, i32imm:$val),
766                 "outct res[$r], $val",
767                 [(int_xcore_outct GRRegs:$r, immUs:$val)]>;
768
769def OUTT_2r : _F2R<(outs), (ins GRRegs:$r, GRRegs:$val),
770                 "outt res[$r], $val",
771                 [(int_xcore_outt GRRegs:$r, GRRegs:$val)]>;
772
773def OUT_2r : _F2R<(outs), (ins GRRegs:$r, GRRegs:$val),
774                 "out res[$r], $val",
775                 [(int_xcore_out GRRegs:$r, GRRegs:$val)]>;
776
777def INCT_2r : _F2R<(outs GRRegs:$dst), (ins GRRegs:$r),
778                 "inct $dst, res[$r]",
779                 [(set GRRegs:$dst, (int_xcore_inct GRRegs:$r))]>;
780
781def INT_2r : _F2R<(outs GRRegs:$dst), (ins GRRegs:$r),
782                 "int $dst, res[$r]",
783                 [(set GRRegs:$dst, (int_xcore_int GRRegs:$r))]>;
784
785def IN_2r : _F2R<(outs GRRegs:$dst), (ins GRRegs:$r),
786                 "in $dst, res[$r]",
787                 [(set GRRegs:$dst, (int_xcore_in GRRegs:$r))]>;
788
789def CHKCT_2r : _F2R<(outs), (ins GRRegs:$r, GRRegs:$val),
790                 "chkct res[$r], $val",
791                 [(int_xcore_chkct GRRegs:$r, GRRegs:$val)]>;
792
793def CHKCT_rus : _F2R<(outs), (ins GRRegs:$r, i32imm:$val),
794                 "chkct res[$r], $val",
795                 [(int_xcore_chkct GRRegs:$r, immUs:$val)]>;
796
797def SETD_2r : _F2R<(outs), (ins GRRegs:$r, GRRegs:$val),
798                 "setd res[$r], $val",
799                 [(int_xcore_setd GRRegs:$r, GRRegs:$val)]>;
800
801// Two operand long
802// TODO settw, setclk, setrdy, setpsc, endin, peek,
803// getd, testlcl, tinitlr, getps, setps
804def BITREV_l2r : _FL2R<(outs GRRegs:$dst), (ins GRRegs:$src),
805                 "bitrev $dst, $src",
806                 [(set GRRegs:$dst, (int_xcore_bitrev GRRegs:$src))]>;
807
808def BYTEREV_l2r : _FL2R<(outs GRRegs:$dst), (ins GRRegs:$src),
809                 "byterev $dst, $src",
810                 [(set GRRegs:$dst, (bswap GRRegs:$src))]>;
811
812def CLZ_l2r : _FL2R<(outs GRRegs:$dst), (ins GRRegs:$src),
813                 "clz $dst, $src",
814                 [(set GRRegs:$dst, (ctlz GRRegs:$src))]>;
815
816def SETC_l2r : _FRU6<(outs), (ins GRRegs:$r, GRRegs:$val),
817                  "setc res[$r], $val",
818                  [(int_xcore_setc GRRegs:$r, GRRegs:$val)]>;
819
820// One operand short
821// TODO edu, eeu, waitet, waitef, tstart, msync, mjoin, syncr, clrtp
822// setdp, setcp, setv, setev, kcall
823// dgetreg
824let isBranch=1, isIndirectBranch=1, isTerminator=1, isBarrier = 1 in
825def BAU_1r : _F1R<(outs), (ins GRRegs:$addr),
826                 "bau $addr",
827                 [(brind GRRegs:$addr)]>;
828
829let isBranch=1, isIndirectBranch=1, isTerminator=1, isBarrier = 1 in
830def BR_JT : PseudoInstXCore<(outs), (ins InlineJT:$t, GRRegs:$i),
831                            "bru $i\n$t",
832                            [(XCoreBR_JT tjumptable:$t, GRRegs:$i)]>;
833
834let isBranch=1, isIndirectBranch=1, isTerminator=1, isBarrier = 1 in
835def BR_JT32 : PseudoInstXCore<(outs), (ins InlineJT32:$t, GRRegs:$i),
836                              "bru $i\n$t",
837                              [(XCoreBR_JT32 tjumptable:$t, GRRegs:$i)]>;
838
839let Defs=[SP], neverHasSideEffects=1 in
840def SETSP_1r : _F1R<(outs), (ins GRRegs:$src),
841                 "set sp, $src",
842                 []>;
843
844let hasCtrlDep = 1 in 
845def ECALLT_1r : _F1R<(outs), (ins GRRegs:$src),
846                 "ecallt $src",
847                 []>;
848
849let hasCtrlDep = 1 in 
850def ECALLF_1r : _F1R<(outs), (ins GRRegs:$src),
851                 "ecallf $src",
852                 []>;
853
854let isCall=1, 
855// All calls clobber the link register and the non-callee-saved registers:
856Defs = [R0, R1, R2, R3, R11, LR] in {
857def BLA_1r : _F1R<(outs), (ins GRRegs:$addr, variable_ops),
858                 "bla $addr",
859                 [(XCoreBranchLink GRRegs:$addr)]>;
860}
861
862def FREER_1r : _F1R<(outs), (ins GRRegs:$r),
863               "freer res[$r]",
864               [(int_xcore_freer GRRegs:$r)]>;
865
866// Zero operand short
867// TODO waiteu, clre, ssync, freet, ldspc, stspc, ldssr, stssr, ldsed, stsed,
868// stet, geted, getet, getkep, getksp, setkep, getid, kret, dcall, dret,
869// dentsp, drestsp
870
871let Defs = [R11] in
872def GETID_0R : _F0R<(outs), (ins),
873                 "get r11, id",
874                 [(set R11, (int_xcore_getid))]>;
875
876//===----------------------------------------------------------------------===//
877// Non-Instruction Patterns
878//===----------------------------------------------------------------------===//
879
880def : Pat<(XCoreBranchLink tglobaladdr:$addr), (BL_lu10 tglobaladdr:$addr)>;
881def : Pat<(XCoreBranchLink texternalsym:$addr), (BL_lu10 texternalsym:$addr)>;
882
883/// sext_inreg
884def : Pat<(sext_inreg GRRegs:$b, i1), (SEXT_rus GRRegs:$b, 1)>;
885def : Pat<(sext_inreg GRRegs:$b, i8), (SEXT_rus GRRegs:$b, 8)>;
886def : Pat<(sext_inreg GRRegs:$b, i16), (SEXT_rus GRRegs:$b, 16)>;
887
888/// loads
889def : Pat<(zextloadi8 (add GRRegs:$addr, GRRegs:$offset)),
890          (LD8U_3r GRRegs:$addr, GRRegs:$offset)>;
891def : Pat<(zextloadi8 GRRegs:$addr), (LD8U_3r GRRegs:$addr, (LDC_ru6 0))>;
892
893def : Pat<(sextloadi16 (lda16f GRRegs:$addr, GRRegs:$offset)),
894          (LD16S_3r GRRegs:$addr, GRRegs:$offset)>;
895def : Pat<(sextloadi16 GRRegs:$addr), (LD16S_3r GRRegs:$addr, (LDC_ru6 0))>;
896
897def : Pat<(load (ldawf GRRegs:$addr, GRRegs:$offset)),
898          (LDW_3r GRRegs:$addr, GRRegs:$offset)>;
899def : Pat<(load (add GRRegs:$addr, immUs4:$offset)),
900          (LDW_2rus GRRegs:$addr, (div4_xform immUs4:$offset))>;
901def : Pat<(load GRRegs:$addr), (LDW_2rus GRRegs:$addr, 0)>;
902
903/// anyext
904def : Pat<(extloadi8 (add GRRegs:$addr, GRRegs:$offset)),
905          (LD8U_3r GRRegs:$addr, GRRegs:$offset)>;
906def : Pat<(extloadi8 GRRegs:$addr), (LD8U_3r GRRegs:$addr, (LDC_ru6 0))>;
907def : Pat<(extloadi16 (lda16f GRRegs:$addr, GRRegs:$offset)),
908          (LD16S_3r GRRegs:$addr, GRRegs:$offset)>;
909def : Pat<(extloadi16 GRRegs:$addr), (LD16S_3r GRRegs:$addr, (LDC_ru6 0))>;
910
911/// stores
912def : Pat<(truncstorei8 GRRegs:$val, (add GRRegs:$addr, GRRegs:$offset)),
913          (ST8_l3r GRRegs:$val, GRRegs:$addr, GRRegs:$offset)>;
914def : Pat<(truncstorei8 GRRegs:$val, GRRegs:$addr),
915          (ST8_l3r GRRegs:$val, GRRegs:$addr, (LDC_ru6 0))>;
916          
917def : Pat<(truncstorei16 GRRegs:$val, (lda16f GRRegs:$addr, GRRegs:$offset)),
918          (ST16_l3r GRRegs:$val, GRRegs:$addr, GRRegs:$offset)>;
919def : Pat<(truncstorei16 GRRegs:$val, GRRegs:$addr),
920          (ST16_l3r GRRegs:$val, GRRegs:$addr, (LDC_ru6 0))>;
921
922def : Pat<(store GRRegs:$val, (ldawf GRRegs:$addr, GRRegs:$offset)),
923          (STW_3r GRRegs:$val, GRRegs:$addr, GRRegs:$offset)>;
924def : Pat<(store GRRegs:$val, (add GRRegs:$addr, immUs4:$offset)),
925          (STW_2rus GRRegs:$val, GRRegs:$addr, (div4_xform immUs4:$offset))>;
926def : Pat<(store GRRegs:$val, GRRegs:$addr),
927          (STW_2rus GRRegs:$val, GRRegs:$addr, 0)>;
928
929/// cttz
930def : Pat<(cttz GRRegs:$src), (CLZ_l2r (BITREV_l2r GRRegs:$src))>;
931
932/// trap
933def : Pat<(trap), (ECALLF_1r (LDC_ru6 0))>;
934
935///
936/// branch patterns
937///
938
939// unconditional branch
940def : Pat<(br bb:$addr), (BRFU_lu6 bb:$addr)>;
941
942// direct match equal/notequal zero brcond
943def : Pat<(brcond (setne GRRegs:$lhs, 0), bb:$dst),
944          (BRFT_lru6 GRRegs:$lhs, bb:$dst)>;
945def : Pat<(brcond (seteq GRRegs:$lhs, 0), bb:$dst),
946          (BRFF_lru6 GRRegs:$lhs, bb:$dst)>;
947
948def : Pat<(brcond (setle GRRegs:$lhs, GRRegs:$rhs), bb:$dst),
949          (BRFF_lru6 (LSS_3r GRRegs:$rhs, GRRegs:$lhs), bb:$dst)>;
950def : Pat<(brcond (setule GRRegs:$lhs, GRRegs:$rhs), bb:$dst),
951          (BRFF_lru6 (LSU_3r GRRegs:$rhs, GRRegs:$lhs), bb:$dst)>;
952def : Pat<(brcond (setge GRRegs:$lhs, GRRegs:$rhs), bb:$dst),
953          (BRFF_lru6 (LSS_3r GRRegs:$lhs, GRRegs:$rhs), bb:$dst)>;
954def : Pat<(brcond (setuge GRRegs:$lhs, GRRegs:$rhs), bb:$dst),
955          (BRFF_lru6 (LSU_3r GRRegs:$lhs, GRRegs:$rhs), bb:$dst)>;
956def : Pat<(brcond (setne GRRegs:$lhs, GRRegs:$rhs), bb:$dst),
957          (BRFF_lru6 (EQ_3r GRRegs:$lhs, GRRegs:$rhs), bb:$dst)>;
958def : Pat<(brcond (setne GRRegs:$lhs, immUs:$rhs), bb:$dst),
959          (BRFF_lru6 (EQ_2rus GRRegs:$lhs, immUs:$rhs), bb:$dst)>;
960
961// generic brcond pattern
962def : Pat<(brcond GRRegs:$cond, bb:$addr), (BRFT_lru6 GRRegs:$cond, bb:$addr)>;
963
964
965///
966/// Select patterns
967///
968
969// direct match equal/notequal zero select
970def : Pat<(select (setne GRRegs:$lhs, 0), GRRegs:$T, GRRegs:$F),
971        (SELECT_CC GRRegs:$lhs, GRRegs:$T, GRRegs:$F)>;
972
973def : Pat<(select (seteq GRRegs:$lhs, 0), GRRegs:$T, GRRegs:$F),
974        (SELECT_CC GRRegs:$lhs, GRRegs:$F, GRRegs:$T)>;
975
976def : Pat<(select (setle GRRegs:$lhs, GRRegs:$rhs), GRRegs:$T, GRRegs:$F),
977          (SELECT_CC (LSS_3r GRRegs:$rhs, GRRegs:$lhs), GRRegs:$F, GRRegs:$T)>;
978def : Pat<(select (setule GRRegs:$lhs, GRRegs:$rhs), GRRegs:$T, GRRegs:$F),
979          (SELECT_CC (LSU_3r GRRegs:$rhs, GRRegs:$lhs), GRRegs:$F, GRRegs:$T)>;
980def : Pat<(select (setge GRRegs:$lhs, GRRegs:$rhs), GRRegs:$T, GRRegs:$F),
981          (SELECT_CC (LSS_3r GRRegs:$lhs, GRRegs:$rhs), GRRegs:$F, GRRegs:$T)>;
982def : Pat<(select (setuge GRRegs:$lhs, GRRegs:$rhs), GRRegs:$T, GRRegs:$F),
983          (SELECT_CC (LSU_3r GRRegs:$lhs, GRRegs:$rhs), GRRegs:$F, GRRegs:$T)>;
984def : Pat<(select (setne GRRegs:$lhs, GRRegs:$rhs), GRRegs:$T, GRRegs:$F),
985          (SELECT_CC (EQ_3r GRRegs:$lhs, GRRegs:$rhs), GRRegs:$F, GRRegs:$T)>;
986def : Pat<(select (setne GRRegs:$lhs, immUs:$rhs), GRRegs:$T, GRRegs:$F),
987          (SELECT_CC (EQ_2rus GRRegs:$lhs, immUs:$rhs), GRRegs:$F, GRRegs:$T)>;
988
989///
990/// setcc patterns, only matched when none of the above brcond
991/// patterns match
992///
993
994// setcc 2 register operands
995def : Pat<(setle GRRegs:$lhs, GRRegs:$rhs),
996          (EQ_2rus (LSS_3r GRRegs:$rhs, GRRegs:$lhs), 0)>;
997def : Pat<(setule GRRegs:$lhs, GRRegs:$rhs),
998          (EQ_2rus (LSU_3r GRRegs:$rhs, GRRegs:$lhs), 0)>;
999
1000def : Pat<(setgt GRRegs:$lhs, GRRegs:$rhs),
1001          (LSS_3r GRRegs:$rhs, GRRegs:$lhs)>;
1002def : Pat<(setugt GRRegs:$lhs, GRRegs:$rhs),
1003          (LSU_3r GRRegs:$rhs, GRRegs:$lhs)>;
1004
1005def : Pat<(setge GRRegs:$lhs, GRRegs:$rhs),
1006          (EQ_2rus (LSS_3r GRRegs:$lhs, GRRegs:$rhs), 0)>;
1007def : Pat<(setuge GRRegs:$lhs, GRRegs:$rhs),
1008          (EQ_2rus (LSU_3r GRRegs:$lhs, GRRegs:$rhs), 0)>;
1009
1010def : Pat<(setlt GRRegs:$lhs, GRRegs:$rhs),
1011          (LSS_3r GRRegs:$lhs, GRRegs:$rhs)>;
1012def : Pat<(setult GRRegs:$lhs, GRRegs:$rhs),
1013          (LSU_3r GRRegs:$lhs, GRRegs:$rhs)>;
1014
1015def : Pat<(setne GRRegs:$lhs, GRRegs:$rhs),
1016          (EQ_2rus (EQ_3r GRRegs:$lhs, GRRegs:$rhs), 0)>;
1017
1018def : Pat<(seteq GRRegs:$lhs, GRRegs:$rhs),
1019          (EQ_3r GRRegs:$lhs, GRRegs:$rhs)>;
1020
1021// setcc reg/imm operands
1022def : Pat<(seteq GRRegs:$lhs, immUs:$rhs),
1023          (EQ_2rus GRRegs:$lhs, immUs:$rhs)>;
1024def : Pat<(setne GRRegs:$lhs, immUs:$rhs),
1025          (EQ_2rus (EQ_2rus GRRegs:$lhs, immUs:$rhs), 0)>;
1026
1027// misc
1028def : Pat<(add GRRegs:$addr, immUs4:$offset),
1029          (LDAWF_l2rus GRRegs:$addr, (div4_xform immUs4:$offset))>;
1030
1031def : Pat<(sub GRRegs:$addr, immUs4:$offset),
1032          (LDAWB_l2rus GRRegs:$addr, (div4_xform immUs4:$offset))>;
1033
1034def : Pat<(and GRRegs:$val, immMskBitp:$mask),
1035          (ZEXT_rus GRRegs:$val, (msksize_xform immMskBitp:$mask))>;
1036
1037// (sub X, imm) gets canonicalized to (add X, -imm).  Match this form.
1038def : Pat<(add GRRegs:$src1, immUsNeg:$src2),
1039          (SUB_2rus GRRegs:$src1, (neg_xform immUsNeg:$src2))>;
1040
1041def : Pat<(add GRRegs:$src1, immUs4Neg:$src2),
1042          (LDAWB_l2rus GRRegs:$src1, (div4neg_xform immUs4Neg:$src2))>;
1043
1044///
1045/// Some peepholes
1046///
1047
1048def : Pat<(mul GRRegs:$src, 3),
1049          (LDA16F_l3r GRRegs:$src, GRRegs:$src)>;
1050
1051def : Pat<(mul GRRegs:$src, 5),
1052          (LDAWF_l3r GRRegs:$src, GRRegs:$src)>;
1053
1054def : Pat<(mul GRRegs:$src, -3),
1055          (LDAWB_l3r GRRegs:$src, GRRegs:$src)>;
1056
1057// ashr X, 32 is equivalent to ashr X, 31 on the XCore.
1058def : Pat<(sra GRRegs:$src, 31),
1059          (ASHR_l2rus GRRegs:$src, 32)>;
1060
1061def : Pat<(brcond (setlt GRRegs:$lhs, 0), bb:$dst),
1062          (BRFT_lru6 (ASHR_l2rus GRRegs:$lhs, 32), bb:$dst)>;
1063
1064// setge X, 0 is canonicalized to setgt X, -1
1065def : Pat<(brcond (setgt GRRegs:$lhs, -1), bb:$dst),
1066          (BRFF_lru6 (ASHR_l2rus GRRegs:$lhs, 32), bb:$dst)>;
1067
1068def : Pat<(select (setlt GRRegs:$lhs, 0), GRRegs:$T, GRRegs:$F),
1069          (SELECT_CC (ASHR_l2rus GRRegs:$lhs, 32), GRRegs:$T, GRRegs:$F)>;
1070
1071def : Pat<(select (setgt GRRegs:$lhs, -1), GRRegs:$T, GRRegs:$F),
1072          (SELECT_CC (ASHR_l2rus GRRegs:$lhs, 32), GRRegs:$F, GRRegs:$T)>;
1073
1074def : Pat<(setgt GRRegs:$lhs, -1),
1075          (EQ_2rus (ASHR_l2rus GRRegs:$lhs, 32), 0)>;
1076
1077def : Pat<(sra (shl GRRegs:$src, immBpwSubBitp:$imm), immBpwSubBitp:$imm),
1078          (SEXT_rus GRRegs:$src, (bpwsub_xform immBpwSubBitp:$imm))>;
1079