1//===-- AMDGPUInstructions.td - Common instruction defs ---*- 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 contains instruction defs that are common to all hw codegen
11// targets.
12//
13//===----------------------------------------------------------------------===//
14
15class AMDGPUInst <dag outs, dag ins, string asm, list<dag> pattern> : Instruction {
16  field bit isRegisterLoad = 0;
17  field bit isRegisterStore = 0;
18
19  let Namespace = "AMDGPU";
20  let OutOperandList = outs;
21  let InOperandList = ins;
22  let AsmString = asm;
23  let Pattern = pattern;
24  let Itinerary = NullALU;
25
26  let TSFlags{63} = isRegisterLoad;
27  let TSFlags{62} = isRegisterStore;
28}
29
30class AMDGPUShaderInst <dag outs, dag ins, string asm, list<dag> pattern>
31    : AMDGPUInst<outs, ins, asm, pattern> {
32
33  field bits<32> Inst = 0xffffffff;
34
35}
36
37def FP32Denormals : Predicate<"Subtarget.hasFP32Denormals()">;
38def FP64Denormals : Predicate<"Subtarget.hasFP64Denormals()">;
39def UnsafeFPMath : Predicate<"TM.Options.UnsafeFPMath">;
40
41def InstFlag : OperandWithDefaultOps <i32, (ops (i32 0))>;
42def ADDRIndirect : ComplexPattern<iPTR, 2, "SelectADDRIndirect", [], []>;
43
44let OperandType = "OPERAND_IMMEDIATE" in {
45
46def u32imm : Operand<i32> {
47  let PrintMethod = "printU32ImmOperand";
48}
49
50def u16imm : Operand<i16> {
51  let PrintMethod = "printU16ImmOperand";
52}
53
54def u8imm : Operand<i8> {
55  let PrintMethod = "printU8ImmOperand";
56}
57
58} // End OperandType = "OPERAND_IMMEDIATE"
59
60//===--------------------------------------------------------------------===//
61// Custom Operands
62//===--------------------------------------------------------------------===//
63def brtarget   : Operand<OtherVT>;
64
65//===----------------------------------------------------------------------===//
66// PatLeafs for floating-point comparisons
67//===----------------------------------------------------------------------===//
68
69def COND_OEQ : PatLeaf <
70  (cond),
71  [{return N->get() == ISD::SETOEQ || N->get() == ISD::SETEQ;}]
72>;
73
74def COND_ONE : PatLeaf <
75  (cond),
76  [{return N->get() == ISD::SETONE || N->get() == ISD::SETNE;}]
77>;
78
79def COND_OGT : PatLeaf <
80  (cond),
81  [{return N->get() == ISD::SETOGT || N->get() == ISD::SETGT;}]
82>;
83
84def COND_OGE : PatLeaf <
85  (cond),
86  [{return N->get() == ISD::SETOGE || N->get() == ISD::SETGE;}]
87>;
88
89def COND_OLT : PatLeaf <
90  (cond),
91  [{return N->get() == ISD::SETOLT || N->get() == ISD::SETLT;}]
92>;
93
94def COND_OLE : PatLeaf <
95  (cond),
96  [{return N->get() == ISD::SETOLE || N->get() == ISD::SETLE;}]
97>;
98
99
100def COND_O : PatLeaf <(cond), [{return N->get() == ISD::SETO;}]>;
101def COND_UO : PatLeaf <(cond), [{return N->get() == ISD::SETUO;}]>;
102
103//===----------------------------------------------------------------------===//
104// PatLeafs for unsigned / unordered comparisons
105//===----------------------------------------------------------------------===//
106
107def COND_UEQ : PatLeaf <(cond), [{return N->get() == ISD::SETUEQ;}]>;
108def COND_UNE : PatLeaf <(cond), [{return N->get() == ISD::SETUNE;}]>;
109def COND_UGT : PatLeaf <(cond), [{return N->get() == ISD::SETUGT;}]>;
110def COND_UGE : PatLeaf <(cond), [{return N->get() == ISD::SETUGE;}]>;
111def COND_ULT : PatLeaf <(cond), [{return N->get() == ISD::SETULT;}]>;
112def COND_ULE : PatLeaf <(cond), [{return N->get() == ISD::SETULE;}]>;
113
114// XXX - For some reason R600 version is preferring to use unordered
115// for setne?
116def COND_UNE_NE : PatLeaf <
117  (cond),
118  [{return N->get() == ISD::SETUNE || N->get() == ISD::SETNE;}]
119>;
120
121//===----------------------------------------------------------------------===//
122// PatLeafs for signed comparisons
123//===----------------------------------------------------------------------===//
124
125def COND_SGT : PatLeaf <(cond), [{return N->get() == ISD::SETGT;}]>;
126def COND_SGE : PatLeaf <(cond), [{return N->get() == ISD::SETGE;}]>;
127def COND_SLT : PatLeaf <(cond), [{return N->get() == ISD::SETLT;}]>;
128def COND_SLE : PatLeaf <(cond), [{return N->get() == ISD::SETLE;}]>;
129
130//===----------------------------------------------------------------------===//
131// PatLeafs for integer equality
132//===----------------------------------------------------------------------===//
133
134def COND_EQ : PatLeaf <
135  (cond),
136  [{return N->get() == ISD::SETEQ || N->get() == ISD::SETUEQ;}]
137>;
138
139def COND_NE : PatLeaf <
140  (cond),
141  [{return N->get() == ISD::SETNE || N->get() == ISD::SETUNE;}]
142>;
143
144def COND_NULL : PatLeaf <
145  (cond),
146  [{(void)N; return false;}]
147>;
148
149//===----------------------------------------------------------------------===//
150// Load/Store Pattern Fragments
151//===----------------------------------------------------------------------===//
152
153class PrivateMemOp <dag ops, dag frag> : PatFrag <ops, frag, [{
154  return cast<MemSDNode>(N)->getAddressSpace() == AMDGPUAS::PRIVATE_ADDRESS;
155}]>;
156
157class PrivateLoad <SDPatternOperator op> : PrivateMemOp <
158  (ops node:$ptr), (op node:$ptr)
159>;
160
161class PrivateStore <SDPatternOperator op> : PrivateMemOp <
162  (ops node:$value, node:$ptr), (op node:$value, node:$ptr)
163>;
164
165def load_private : PrivateLoad <load>;
166
167def truncstorei8_private : PrivateStore <truncstorei8>;
168def truncstorei16_private : PrivateStore <truncstorei16>;
169def store_private : PrivateStore <store>;
170
171def global_store : PatFrag<(ops node:$val, node:$ptr),
172    (store node:$val, node:$ptr), [{
173        return isGlobalStore(dyn_cast<StoreSDNode>(N));
174}]>;
175
176// Global address space loads
177def global_load : PatFrag<(ops node:$ptr), (load node:$ptr), [{
178    return isGlobalLoad(dyn_cast<LoadSDNode>(N));
179}]>;
180
181// Constant address space loads
182def constant_load : PatFrag<(ops node:$ptr), (load node:$ptr), [{
183    return isConstantLoad(dyn_cast<LoadSDNode>(N), -1);
184}]>;
185
186class AZExtLoadBase <SDPatternOperator ld_node>: PatFrag<(ops node:$ptr),
187                                              (ld_node node:$ptr), [{
188  LoadSDNode *L = cast<LoadSDNode>(N);
189  return L->getExtensionType() == ISD::ZEXTLOAD ||
190         L->getExtensionType() == ISD::EXTLOAD;
191}]>;
192
193def az_extload : AZExtLoadBase <unindexedload>;
194
195def az_extloadi8 : PatFrag<(ops node:$ptr), (az_extload node:$ptr), [{
196  return cast<LoadSDNode>(N)->getMemoryVT() == MVT::i8;
197}]>;
198
199def az_extloadi8_global : PatFrag<(ops node:$ptr), (az_extloadi8 node:$ptr), [{
200    return isGlobalLoad(dyn_cast<LoadSDNode>(N));
201}]>;
202
203def sextloadi8_global : PatFrag<(ops node:$ptr), (sextloadi8 node:$ptr), [{
204    return isGlobalLoad(dyn_cast<LoadSDNode>(N));
205}]>;
206
207def az_extloadi8_constant : PatFrag<(ops node:$ptr), (az_extloadi8 node:$ptr), [{
208    return isConstantLoad(dyn_cast<LoadSDNode>(N), -1);
209}]>;
210
211def sextloadi8_constant : PatFrag<(ops node:$ptr), (sextloadi8 node:$ptr), [{
212    return isConstantLoad(dyn_cast<LoadSDNode>(N), -1);
213}]>;
214
215def az_extloadi8_local : PatFrag<(ops node:$ptr), (az_extloadi8 node:$ptr), [{
216    return isLocalLoad(dyn_cast<LoadSDNode>(N));
217}]>;
218
219def sextloadi8_local : PatFrag<(ops node:$ptr), (sextloadi8 node:$ptr), [{
220    return isLocalLoad(dyn_cast<LoadSDNode>(N));
221}]>;
222
223def extloadi8_private : PrivateLoad <az_extloadi8>;
224def sextloadi8_private : PrivateLoad <sextloadi8>;
225
226def az_extloadi16 : PatFrag<(ops node:$ptr), (az_extload node:$ptr), [{
227  return cast<LoadSDNode>(N)->getMemoryVT() == MVT::i16;
228}]>;
229
230def az_extloadi16_global : PatFrag<(ops node:$ptr), (az_extloadi16 node:$ptr), [{
231    return isGlobalLoad(dyn_cast<LoadSDNode>(N));
232}]>;
233
234def sextloadi16_global : PatFrag<(ops node:$ptr), (sextloadi16 node:$ptr), [{
235    return isGlobalLoad(dyn_cast<LoadSDNode>(N));
236}]>;
237
238def az_extloadi16_constant : PatFrag<(ops node:$ptr), (az_extloadi16 node:$ptr), [{
239    return isConstantLoad(dyn_cast<LoadSDNode>(N), -1);
240}]>;
241
242def sextloadi16_constant : PatFrag<(ops node:$ptr), (sextloadi16 node:$ptr), [{
243    return isConstantLoad(dyn_cast<LoadSDNode>(N), -1);
244}]>;
245
246def az_extloadi16_local : PatFrag<(ops node:$ptr), (az_extloadi16 node:$ptr), [{
247    return isLocalLoad(dyn_cast<LoadSDNode>(N));
248}]>;
249
250def sextloadi16_local : PatFrag<(ops node:$ptr), (sextloadi16 node:$ptr), [{
251    return isLocalLoad(dyn_cast<LoadSDNode>(N));
252}]>;
253
254def extloadi16_private : PrivateLoad <az_extloadi16>;
255def sextloadi16_private : PrivateLoad <sextloadi16>;
256
257def az_extloadi32 : PatFrag<(ops node:$ptr), (az_extload node:$ptr), [{
258  return cast<LoadSDNode>(N)->getMemoryVT() == MVT::i32;
259}]>;
260
261def az_extloadi32_global : PatFrag<(ops node:$ptr),
262                                   (az_extloadi32 node:$ptr), [{
263  return isGlobalLoad(dyn_cast<LoadSDNode>(N));
264}]>;
265
266def az_extloadi32_flat : PatFrag<(ops node:$ptr),
267                                   (az_extloadi32 node:$ptr), [{
268  return isFlatLoad(dyn_cast<LoadSDNode>(N));
269}]>;
270
271def az_extloadi32_constant : PatFrag<(ops node:$ptr),
272                                     (az_extloadi32 node:$ptr), [{
273  return isConstantLoad(dyn_cast<LoadSDNode>(N), -1);
274}]>;
275
276def truncstorei8_global : PatFrag<(ops node:$val, node:$ptr),
277                                  (truncstorei8 node:$val, node:$ptr), [{
278  return isGlobalStore(dyn_cast<StoreSDNode>(N));
279}]>;
280
281def truncstorei16_global : PatFrag<(ops node:$val, node:$ptr),
282                                  (truncstorei16 node:$val, node:$ptr), [{
283  return isGlobalStore(dyn_cast<StoreSDNode>(N));
284}]>;
285
286def local_store : PatFrag<(ops node:$val, node:$ptr),
287                             (store node:$val, node:$ptr), [{
288  return isLocalStore(dyn_cast<StoreSDNode>(N));
289}]>;
290
291def truncstorei8_local : PatFrag<(ops node:$val, node:$ptr),
292                                  (truncstorei8 node:$val, node:$ptr), [{
293  return isLocalStore(dyn_cast<StoreSDNode>(N));
294}]>;
295
296def truncstorei16_local : PatFrag<(ops node:$val, node:$ptr),
297                                  (truncstorei16 node:$val, node:$ptr), [{
298  return isLocalStore(dyn_cast<StoreSDNode>(N));
299}]>;
300
301def local_load : PatFrag<(ops node:$ptr), (load node:$ptr), [{
302    return isLocalLoad(dyn_cast<LoadSDNode>(N));
303}]>;
304
305class Aligned8Bytes <dag ops, dag frag> : PatFrag <ops, frag, [{
306    return cast<MemSDNode>(N)->getAlignment() % 8 == 0;
307}]>;
308
309def local_load_aligned8bytes : Aligned8Bytes <
310  (ops node:$ptr), (local_load node:$ptr)
311>;
312
313def local_store_aligned8bytes : Aligned8Bytes <
314  (ops node:$val, node:$ptr), (local_store node:$val, node:$ptr)
315>;
316
317class local_binary_atomic_op<SDNode atomic_op> :
318  PatFrag<(ops node:$ptr, node:$value),
319    (atomic_op node:$ptr, node:$value), [{
320  return cast<MemSDNode>(N)->getAddressSpace() == AMDGPUAS::LOCAL_ADDRESS;
321}]>;
322
323
324def atomic_swap_local : local_binary_atomic_op<atomic_swap>;
325def atomic_load_add_local : local_binary_atomic_op<atomic_load_add>;
326def atomic_load_sub_local : local_binary_atomic_op<atomic_load_sub>;
327def atomic_load_and_local : local_binary_atomic_op<atomic_load_and>;
328def atomic_load_or_local : local_binary_atomic_op<atomic_load_or>;
329def atomic_load_xor_local : local_binary_atomic_op<atomic_load_xor>;
330def atomic_load_nand_local : local_binary_atomic_op<atomic_load_nand>;
331def atomic_load_min_local : local_binary_atomic_op<atomic_load_min>;
332def atomic_load_max_local : local_binary_atomic_op<atomic_load_max>;
333def atomic_load_umin_local : local_binary_atomic_op<atomic_load_umin>;
334def atomic_load_umax_local : local_binary_atomic_op<atomic_load_umax>;
335
336def mskor_global : PatFrag<(ops node:$val, node:$ptr),
337                            (AMDGPUstore_mskor node:$val, node:$ptr), [{
338  return cast<MemSDNode>(N)->getAddressSpace() == AMDGPUAS::GLOBAL_ADDRESS;
339}]>;
340
341multiclass AtomicCmpSwapLocal <SDNode cmp_swap_node> {
342
343  def _32_local : PatFrag <
344    (ops node:$ptr, node:$cmp, node:$swap),
345    (cmp_swap_node node:$ptr, node:$cmp, node:$swap), [{
346      AtomicSDNode *AN = cast<AtomicSDNode>(N);
347      return AN->getMemoryVT() == MVT::i32 &&
348             AN->getAddressSpace() == AMDGPUAS::LOCAL_ADDRESS;
349  }]>;
350
351  def _64_local : PatFrag<
352    (ops node:$ptr, node:$cmp, node:$swap),
353    (cmp_swap_node node:$ptr, node:$cmp, node:$swap), [{
354      AtomicSDNode *AN = cast<AtomicSDNode>(N);
355      return AN->getMemoryVT() == MVT::i64 &&
356             AN->getAddressSpace() == AMDGPUAS::LOCAL_ADDRESS;
357  }]>;
358}
359
360defm atomic_cmp_swap : AtomicCmpSwapLocal <atomic_cmp_swap>;
361
362def mskor_flat : PatFrag<(ops node:$val, node:$ptr),
363                            (AMDGPUstore_mskor node:$val, node:$ptr), [{
364  return cast<MemSDNode>(N)->getAddressSpace() == AMDGPUAS::FLAT_ADDRESS;
365}]>;
366
367class global_binary_atomic_op<SDNode atomic_op> : PatFrag<
368  (ops node:$ptr, node:$value),
369  (atomic_op node:$ptr, node:$value),
370  [{return cast<MemSDNode>(N)->getAddressSpace() == AMDGPUAS::GLOBAL_ADDRESS;}]
371>;
372
373def atomic_swap_global : global_binary_atomic_op<atomic_swap>;
374def atomic_add_global : global_binary_atomic_op<atomic_load_add>;
375def atomic_and_global : global_binary_atomic_op<atomic_load_and>;
376def atomic_max_global : global_binary_atomic_op<atomic_load_max>;
377def atomic_min_global : global_binary_atomic_op<atomic_load_min>;
378def atomic_or_global : global_binary_atomic_op<atomic_load_or>;
379def atomic_sub_global : global_binary_atomic_op<atomic_load_sub>;
380def atomic_umax_global : global_binary_atomic_op<atomic_load_umax>;
381def atomic_umin_global : global_binary_atomic_op<atomic_load_umin>;
382def atomic_xor_global : global_binary_atomic_op<atomic_load_xor>;
383
384//===----------------------------------------------------------------------===//
385// Misc Pattern Fragments
386//===----------------------------------------------------------------------===//
387
388class Constants {
389int TWO_PI = 0x40c90fdb;
390int PI = 0x40490fdb;
391int TWO_PI_INV = 0x3e22f983;
392int FP_UINT_MAX_PLUS_1 = 0x4f800000;    // 1 << 32 in floating point encoding
393int FP32_NEG_ONE = 0xbf800000;
394int FP32_ONE = 0x3f800000;
395}
396def CONST : Constants;
397
398def FP_ZERO : PatLeaf <
399  (fpimm),
400  [{return N->getValueAPF().isZero();}]
401>;
402
403def FP_ONE : PatLeaf <
404  (fpimm),
405  [{return N->isExactlyValue(1.0);}]
406>;
407
408def FP_HALF : PatLeaf <
409  (fpimm),
410  [{return N->isExactlyValue(0.5);}]
411>;
412
413let isCodeGenOnly = 1, isPseudo = 1 in {
414
415let usesCustomInserter = 1  in {
416
417class CLAMP <RegisterClass rc> : AMDGPUShaderInst <
418  (outs rc:$dst),
419  (ins rc:$src0),
420  "CLAMP $dst, $src0",
421  [(set f32:$dst, (AMDGPUclamp f32:$src0, (f32 FP_ZERO), (f32 FP_ONE)))]
422>;
423
424class FABS <RegisterClass rc> : AMDGPUShaderInst <
425  (outs rc:$dst),
426  (ins rc:$src0),
427  "FABS $dst, $src0",
428  [(set f32:$dst, (fabs f32:$src0))]
429>;
430
431class FNEG <RegisterClass rc> : AMDGPUShaderInst <
432  (outs rc:$dst),
433  (ins rc:$src0),
434  "FNEG $dst, $src0",
435  [(set f32:$dst, (fneg f32:$src0))]
436>;
437
438} // usesCustomInserter = 1
439
440multiclass RegisterLoadStore <RegisterClass dstClass, Operand addrClass,
441                    ComplexPattern addrPat> {
442let UseNamedOperandTable = 1 in {
443
444  def RegisterLoad : AMDGPUShaderInst <
445    (outs dstClass:$dst),
446    (ins addrClass:$addr, i32imm:$chan),
447    "RegisterLoad $dst, $addr",
448    [(set i32:$dst, (AMDGPUregister_load addrPat:$addr, (i32 timm:$chan)))]
449  > {
450    let isRegisterLoad = 1;
451  }
452
453  def RegisterStore : AMDGPUShaderInst <
454    (outs),
455    (ins dstClass:$val, addrClass:$addr, i32imm:$chan),
456    "RegisterStore $val, $addr",
457    [(AMDGPUregister_store i32:$val, addrPat:$addr, (i32 timm:$chan))]
458  > {
459    let isRegisterStore = 1;
460  }
461}
462}
463
464} // End isCodeGenOnly = 1, isPseudo = 1
465
466/* Generic helper patterns for intrinsics */
467/* -------------------------------------- */
468
469class POW_Common <AMDGPUInst log_ieee, AMDGPUInst exp_ieee, AMDGPUInst mul>
470  : Pat <
471  (fpow f32:$src0, f32:$src1),
472  (exp_ieee (mul f32:$src1, (log_ieee f32:$src0)))
473>;
474
475/* Other helper patterns */
476/* --------------------- */
477
478/* Extract element pattern */
479class Extract_Element <ValueType sub_type, ValueType vec_type, int sub_idx,
480                       SubRegIndex sub_reg>
481  : Pat<
482  (sub_type (extractelt vec_type:$src, sub_idx)),
483  (EXTRACT_SUBREG $src, sub_reg)
484>;
485
486/* Insert element pattern */
487class Insert_Element <ValueType elem_type, ValueType vec_type,
488                      int sub_idx, SubRegIndex sub_reg>
489  : Pat <
490  (insertelt vec_type:$vec, elem_type:$elem, sub_idx),
491  (INSERT_SUBREG $vec, $elem, sub_reg)
492>;
493
494// XXX: Convert to new syntax and use COPY_TO_REG, once the DFAPacketizer
495// can handle COPY instructions.
496// bitconvert pattern
497class BitConvert <ValueType dt, ValueType st, RegisterClass rc> : Pat <
498  (dt (bitconvert (st rc:$src0))),
499  (dt rc:$src0)
500>;
501
502// XXX: Convert to new syntax and use COPY_TO_REG, once the DFAPacketizer
503// can handle COPY instructions.
504class DwordAddrPat<ValueType vt, RegisterClass rc> : Pat <
505  (vt (AMDGPUdwordaddr (vt rc:$addr))),
506  (vt rc:$addr)
507>;
508
509// BFI_INT patterns
510
511multiclass BFIPatterns <Instruction BFI_INT,
512                        Instruction LoadImm32,
513                        RegisterClass RC64> {
514  // Definition from ISA doc:
515  // (y & x) | (z & ~x)
516  def : Pat <
517    (or (and i32:$y, i32:$x), (and i32:$z, (not i32:$x))),
518    (BFI_INT $x, $y, $z)
519  >;
520
521  // SHA-256 Ch function
522  // z ^ (x & (y ^ z))
523  def : Pat <
524    (xor i32:$z, (and i32:$x, (xor i32:$y, i32:$z))),
525    (BFI_INT $x, $y, $z)
526  >;
527
528  def : Pat <
529    (fcopysign f32:$src0, f32:$src1),
530    (BFI_INT (LoadImm32 0x7fffffff), $src0, $src1)
531  >;
532
533  def : Pat <
534    (f64 (fcopysign f64:$src0, f64:$src1)),
535    (REG_SEQUENCE RC64,
536      (i32 (EXTRACT_SUBREG $src0, sub0)), sub0,
537      (BFI_INT (LoadImm32 0x7fffffff),
538               (i32 (EXTRACT_SUBREG $src0, sub1)),
539               (i32 (EXTRACT_SUBREG $src1, sub1))), sub1)
540  >;
541}
542
543// SHA-256 Ma patterns
544
545// ((x & z) | (y & (x | z))) -> BFI_INT (XOR x, y), z, y
546class SHA256MaPattern <Instruction BFI_INT, Instruction XOR> : Pat <
547  (or (and i32:$x, i32:$z), (and i32:$y, (or i32:$x, i32:$z))),
548  (BFI_INT (XOR i32:$x, i32:$y), i32:$z, i32:$y)
549>;
550
551// Bitfield extract patterns
552
553def IMMZeroBasedBitfieldMask : PatLeaf <(imm), [{
554  return isMask_32(N->getZExtValue());
555}]>;
556
557def IMMPopCount : SDNodeXForm<imm, [{
558  return CurDAG->getTargetConstant(countPopulation(N->getZExtValue()), SDLoc(N),
559                                   MVT::i32);
560}]>;
561
562class BFEPattern <Instruction BFE, Instruction MOV> : Pat <
563  (i32 (and (i32 (srl i32:$src, i32:$rshift)), IMMZeroBasedBitfieldMask:$mask)),
564  (BFE $src, $rshift, (MOV (i32 (IMMPopCount $mask))))
565>;
566
567// rotr pattern
568class ROTRPattern <Instruction BIT_ALIGN> : Pat <
569  (rotr i32:$src0, i32:$src1),
570  (BIT_ALIGN $src0, $src0, $src1)
571>;
572
573// 24-bit arithmetic patterns
574def umul24 : PatFrag <(ops node:$x, node:$y), (mul node:$x, node:$y)>;
575
576// Special conversion patterns
577
578def cvt_rpi_i32_f32 : PatFrag <
579  (ops node:$src),
580  (fp_to_sint (ffloor (fadd $src, FP_HALF))),
581  [{ (void) N; return TM.Options.NoNaNsFPMath; }]
582>;
583
584def cvt_flr_i32_f32 : PatFrag <
585  (ops node:$src),
586  (fp_to_sint (ffloor $src)),
587  [{ (void)N; return TM.Options.NoNaNsFPMath; }]
588>;
589
590class IMad24Pat<Instruction Inst> : Pat <
591  (add (AMDGPUmul_i24 i32:$src0, i32:$src1), i32:$src2),
592  (Inst $src0, $src1, $src2)
593>;
594
595class UMad24Pat<Instruction Inst> : Pat <
596  (add (AMDGPUmul_u24 i32:$src0, i32:$src1), i32:$src2),
597  (Inst $src0, $src1, $src2)
598>;
599
600multiclass Expand24IBitOps<Instruction MulInst, Instruction AddInst> {
601  def _expand_imad24 : Pat <
602    (AMDGPUmad_i24 i32:$src0, i32:$src1, i32:$src2),
603    (AddInst (MulInst $src0, $src1), $src2)
604  >;
605
606  def _expand_imul24 : Pat <
607    (AMDGPUmul_i24 i32:$src0, i32:$src1),
608    (MulInst $src0, $src1)
609  >;
610}
611
612multiclass Expand24UBitOps<Instruction MulInst, Instruction AddInst> {
613  def _expand_umad24 : Pat <
614    (AMDGPUmad_u24 i32:$src0, i32:$src1, i32:$src2),
615    (AddInst (MulInst $src0, $src1), $src2)
616  >;
617
618  def _expand_umul24 : Pat <
619    (AMDGPUmul_u24 i32:$src0, i32:$src1),
620    (MulInst $src0, $src1)
621  >;
622}
623
624class RcpPat<Instruction RcpInst, ValueType vt> : Pat <
625  (fdiv FP_ONE, vt:$src),
626  (RcpInst $src)
627>;
628
629class RsqPat<Instruction RsqInst, ValueType vt> : Pat <
630  (AMDGPUrcp (fsqrt vt:$src)),
631  (RsqInst $src)
632>;
633
634include "R600Instructions.td"
635include "R700Instructions.td"
636include "EvergreenInstructions.td"
637include "CaymanInstructions.td"
638
639include "SIInstrInfo.td"
640
641