PPCInstrInfo.td revision dd41527a7dc6e2dacfad02ca8d4cbcb803b017da
1//===- PPCInstrInfo.td - The PowerPC Instruction Set -------*- 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 subset of the 32-bit PowerPC instruction set, as used
11// by the PowerPC instruction selector.
12//
13//===----------------------------------------------------------------------===//
14
15include "PPCInstrFormats.td"
16
17//===----------------------------------------------------------------------===//
18// PowerPC specific type constraints.
19//
20def SDT_PPCstfiwx : SDTypeProfile<0, 2, [ // stfiwx
21  SDTCisVT<0, f64>, SDTCisPtrTy<1>
22]>;
23def SDT_PPCShiftOp : SDTypeProfile<1, 2, [   // PPCshl, PPCsra, PPCsrl
24  SDTCisVT<0, i32>, SDTCisVT<1, i32>, SDTCisVT<2, i32>
25]>;
26def SDT_PPCCallSeqStart : SDCallSeqStart<[ SDTCisVT<0, i32> ]>;
27def SDT_PPCCallSeqEnd   : SDCallSeqEnd<[ SDTCisVT<0, i32>,
28                                         SDTCisVT<1, i32> ]>;
29def SDT_PPCvperm   : SDTypeProfile<1, 3, [
30  SDTCisVT<3, v16i8>, SDTCisSameAs<0, 1>, SDTCisSameAs<0, 2>
31]>;
32
33def SDT_PPCvcmp : SDTypeProfile<1, 3, [
34  SDTCisSameAs<0, 1>, SDTCisSameAs<1, 2>, SDTCisVT<3, i32>
35]>;
36
37def SDT_PPCcondbr : SDTypeProfile<0, 3, [
38  SDTCisVT<0, i32>, SDTCisVT<2, OtherVT>
39]>;
40
41def SDT_PPClbrx : SDTypeProfile<1, 3, [
42  SDTCisVT<0, i32>, SDTCisPtrTy<1>, SDTCisVT<2, OtherVT>, SDTCisVT<3, OtherVT>
43]>;
44def SDT_PPCstbrx : SDTypeProfile<0, 4, [
45  SDTCisVT<0, i32>, SDTCisPtrTy<1>, SDTCisVT<2, OtherVT>, SDTCisVT<3, OtherVT>
46]>;
47
48//===----------------------------------------------------------------------===//
49// PowerPC specific DAG Nodes.
50//
51
52def PPCfcfid  : SDNode<"PPCISD::FCFID" , SDTFPUnaryOp, []>;
53def PPCfctidz : SDNode<"PPCISD::FCTIDZ", SDTFPUnaryOp, []>;
54def PPCfctiwz : SDNode<"PPCISD::FCTIWZ", SDTFPUnaryOp, []>;
55def PPCstfiwx : SDNode<"PPCISD::STFIWX", SDT_PPCstfiwx,
56                       [SDNPHasChain, SDNPMayStore]>;
57
58// This sequence is used for long double->int conversions.  It changes the
59// bits in the FPSCR which is not modelled.  
60def PPCmffs   : SDNode<"PPCISD::MFFS", SDTypeProfile<1, 0, [SDTCisVT<0, f64>]>,
61                        [SDNPOutFlag]>;
62def PPCmtfsb0 : SDNode<"PPCISD::MTFSB0", SDTypeProfile<0, 1, [SDTCisInt<0>]>,
63                       [SDNPInFlag, SDNPOutFlag]>;
64def PPCmtfsb1 : SDNode<"PPCISD::MTFSB1", SDTypeProfile<0, 1, [SDTCisInt<0>]>,
65                       [SDNPInFlag, SDNPOutFlag]>;
66def PPCfaddrtz: SDNode<"PPCISD::FADDRTZ", SDTFPBinOp,
67                       [SDNPInFlag, SDNPOutFlag]>;
68def PPCmtfsf  : SDNode<"PPCISD::MTFSF", SDTypeProfile<1, 3, 
69                       [SDTCisVT<0, f64>, SDTCisInt<1>, SDTCisVT<2, f64>,
70                        SDTCisVT<3, f64>]>,
71                       [SDNPInFlag]>;
72
73def PPCfsel   : SDNode<"PPCISD::FSEL",  
74   // Type constraint for fsel.
75   SDTypeProfile<1, 3, [SDTCisSameAs<0, 2>, SDTCisSameAs<0, 3>, 
76                        SDTCisFP<0>, SDTCisVT<1, f64>]>, []>;
77
78def PPChi       : SDNode<"PPCISD::Hi", SDTIntBinOp, []>;
79def PPClo       : SDNode<"PPCISD::Lo", SDTIntBinOp, []>;
80def PPCvmaddfp  : SDNode<"PPCISD::VMADDFP", SDTFPTernaryOp, []>;
81def PPCvnmsubfp : SDNode<"PPCISD::VNMSUBFP", SDTFPTernaryOp, []>;
82
83def PPCvperm    : SDNode<"PPCISD::VPERM", SDT_PPCvperm, []>;
84
85// These nodes represent the 32-bit PPC shifts that operate on 6-bit shift
86// amounts.  These nodes are generated by the multi-precision shift code.
87def PPCsrl        : SDNode<"PPCISD::SRL"       , SDT_PPCShiftOp>;
88def PPCsra        : SDNode<"PPCISD::SRA"       , SDT_PPCShiftOp>;
89def PPCshl        : SDNode<"PPCISD::SHL"       , SDT_PPCShiftOp>;
90
91def PPCextsw_32   : SDNode<"PPCISD::EXTSW_32"  , SDTIntUnaryOp>;
92def PPCstd_32     : SDNode<"PPCISD::STD_32"    , SDTStore,
93                           [SDNPHasChain, SDNPMayStore]>;
94
95// These are target-independent nodes, but have target-specific formats.
96def callseq_start : SDNode<"ISD::CALLSEQ_START", SDT_PPCCallSeqStart,
97                           [SDNPHasChain, SDNPOutFlag]>;
98def callseq_end   : SDNode<"ISD::CALLSEQ_END",   SDT_PPCCallSeqEnd,
99                           [SDNPHasChain, SDNPOptInFlag, SDNPOutFlag]>;
100
101def SDT_PPCCall   : SDTypeProfile<0, -1, [SDTCisInt<0>]>;
102def PPCcall_Macho : SDNode<"PPCISD::CALL_Macho", SDT_PPCCall,
103                           [SDNPHasChain, SDNPOptInFlag, SDNPOutFlag]>;
104def PPCcall_ELF   : SDNode<"PPCISD::CALL_ELF", SDT_PPCCall,
105                           [SDNPHasChain, SDNPOptInFlag, SDNPOutFlag]>;
106def PPCmtctr      : SDNode<"PPCISD::MTCTR", SDT_PPCCall,
107                           [SDNPHasChain, SDNPOptInFlag, SDNPOutFlag]>;
108def PPCbctrl_Macho  : SDNode<"PPCISD::BCTRL_Macho", SDTRet,
109	                   [SDNPHasChain, SDNPOptInFlag, SDNPOutFlag]>;
110
111def PPCbctrl_ELF  : SDNode<"PPCISD::BCTRL_ELF", SDTRet,
112	                   [SDNPHasChain, SDNPOptInFlag, SDNPOutFlag]>;
113
114def retflag       : SDNode<"PPCISD::RET_FLAG", SDTRet,
115	                   [SDNPHasChain, SDNPOptInFlag]>;
116
117def PPCvcmp       : SDNode<"PPCISD::VCMP" , SDT_PPCvcmp, []>;
118def PPCvcmp_o     : SDNode<"PPCISD::VCMPo", SDT_PPCvcmp, [SDNPOutFlag]>;
119
120def PPCcondbranch : SDNode<"PPCISD::COND_BRANCH", SDT_PPCcondbr,
121                           [SDNPHasChain, SDNPOptInFlag]>;
122
123def PPClbrx       : SDNode<"PPCISD::LBRX", SDT_PPClbrx,
124                           [SDNPHasChain, SDNPMayLoad]>;
125def PPCstbrx      : SDNode<"PPCISD::STBRX", SDT_PPCstbrx,
126                           [SDNPHasChain, SDNPMayStore]>;
127
128// Instructions to support dynamic alloca.
129def SDTDynOp  : SDTypeProfile<1, 2, []>;
130def PPCdynalloc   : SDNode<"PPCISD::DYNALLOC", SDTDynOp, [SDNPHasChain]>;
131
132//===----------------------------------------------------------------------===//
133// PowerPC specific transformation functions and pattern fragments.
134//
135
136def SHL32 : SDNodeXForm<imm, [{
137  // Transformation function: 31 - imm
138  return getI32Imm(31 - N->getValue());
139}]>;
140
141def SRL32 : SDNodeXForm<imm, [{
142  // Transformation function: 32 - imm
143  return N->getValue() ? getI32Imm(32 - N->getValue()) : getI32Imm(0);
144}]>;
145
146def LO16 : SDNodeXForm<imm, [{
147  // Transformation function: get the low 16 bits.
148  return getI32Imm((unsigned short)N->getValue());
149}]>;
150
151def HI16 : SDNodeXForm<imm, [{
152  // Transformation function: shift the immediate value down into the low bits.
153  return getI32Imm((unsigned)N->getValue() >> 16);
154}]>;
155
156def HA16 : SDNodeXForm<imm, [{
157  // Transformation function: shift the immediate value down into the low bits.
158  signed int Val = N->getValue();
159  return getI32Imm((Val - (signed short)Val) >> 16);
160}]>;
161def MB : SDNodeXForm<imm, [{
162  // Transformation function: get the start bit of a mask
163  unsigned mb, me;
164  (void)isRunOfOnes((unsigned)N->getValue(), mb, me);
165  return getI32Imm(mb);
166}]>;
167
168def ME : SDNodeXForm<imm, [{
169  // Transformation function: get the end bit of a mask
170  unsigned mb, me;
171  (void)isRunOfOnes((unsigned)N->getValue(), mb, me);
172  return getI32Imm(me);
173}]>;
174def maskimm32 : PatLeaf<(imm), [{
175  // maskImm predicate - True if immediate is a run of ones.
176  unsigned mb, me;
177  if (N->getValueType(0) == MVT::i32)
178    return isRunOfOnes((unsigned)N->getValue(), mb, me);
179  else
180    return false;
181}]>;
182
183def immSExt16  : PatLeaf<(imm), [{
184  // immSExt16 predicate - True if the immediate fits in a 16-bit sign extended
185  // field.  Used by instructions like 'addi'.
186  if (N->getValueType(0) == MVT::i32)
187    return (int32_t)N->getValue() == (short)N->getValue();
188  else
189    return (int64_t)N->getValue() == (short)N->getValue();
190}]>;
191def immZExt16  : PatLeaf<(imm), [{
192  // immZExt16 predicate - True if the immediate fits in a 16-bit zero extended
193  // field.  Used by instructions like 'ori'.
194  return (uint64_t)N->getValue() == (unsigned short)N->getValue();
195}], LO16>;
196
197// imm16Shifted* - These match immediates where the low 16-bits are zero.  There
198// are two forms: imm16ShiftedSExt and imm16ShiftedZExt.  These two forms are
199// identical in 32-bit mode, but in 64-bit mode, they return true if the
200// immediate fits into a sign/zero extended 32-bit immediate (with the low bits
201// clear).
202def imm16ShiftedZExt : PatLeaf<(imm), [{
203  // imm16ShiftedZExt predicate - True if only bits in the top 16-bits of the
204  // immediate are set.  Used by instructions like 'xoris'.
205  return (N->getValue() & ~uint64_t(0xFFFF0000)) == 0;
206}], HI16>;
207
208def imm16ShiftedSExt : PatLeaf<(imm), [{
209  // imm16ShiftedSExt predicate - True if only bits in the top 16-bits of the
210  // immediate are set.  Used by instructions like 'addis'.  Identical to 
211  // imm16ShiftedZExt in 32-bit mode.
212  if (N->getValue() & 0xFFFF) return false;
213  if (N->getValueType(0) == MVT::i32)
214    return true;
215  // For 64-bit, make sure it is sext right.
216  return N->getValue() == (uint64_t)(int)N->getValue();
217}], HI16>;
218
219
220//===----------------------------------------------------------------------===//
221// PowerPC Flag Definitions.
222
223class isPPC64 { bit PPC64 = 1; }
224class isDOT   {
225  list<Register> Defs = [CR0];
226  bit RC  = 1;
227}
228
229class RegConstraint<string C> {
230  string Constraints = C;
231}
232class NoEncode<string E> {
233  string DisableEncoding = E;
234}
235
236
237//===----------------------------------------------------------------------===//
238// PowerPC Operand Definitions.
239
240def s5imm   : Operand<i32> {
241  let PrintMethod = "printS5ImmOperand";
242}
243def u5imm   : Operand<i32> {
244  let PrintMethod = "printU5ImmOperand";
245}
246def u6imm   : Operand<i32> {
247  let PrintMethod = "printU6ImmOperand";
248}
249def s16imm  : Operand<i32> {
250  let PrintMethod = "printS16ImmOperand";
251}
252def u16imm  : Operand<i32> {
253  let PrintMethod = "printU16ImmOperand";
254}
255def s16immX4  : Operand<i32> {   // Multiply imm by 4 before printing.
256  let PrintMethod = "printS16X4ImmOperand";
257}
258def target : Operand<OtherVT> {
259  let PrintMethod = "printBranchOperand";
260}
261def calltarget : Operand<iPTR> {
262  let PrintMethod = "printCallOperand";
263}
264def aaddr : Operand<iPTR> {
265  let PrintMethod = "printAbsAddrOperand";
266}
267def piclabel: Operand<iPTR> {
268  let PrintMethod = "printPICLabel";
269}
270def symbolHi: Operand<i32> {
271  let PrintMethod = "printSymbolHi";
272}
273def symbolLo: Operand<i32> {
274  let PrintMethod = "printSymbolLo";
275}
276def crbitm: Operand<i8> {
277  let PrintMethod = "printcrbitm";
278}
279// Address operands
280def memri : Operand<iPTR> {
281  let PrintMethod = "printMemRegImm";
282  let MIOperandInfo = (ops i32imm:$imm, ptr_rc:$reg);
283}
284def memrr : Operand<iPTR> {
285  let PrintMethod = "printMemRegReg";
286  let MIOperandInfo = (ops ptr_rc, ptr_rc);
287}
288def memrix : Operand<iPTR> {   // memri where the imm is shifted 2 bits.
289  let PrintMethod = "printMemRegImmShifted";
290  let MIOperandInfo = (ops i32imm:$imm, ptr_rc:$reg);
291}
292
293// PowerPC Predicate operand.  20 = (0<<5)|20 = always, CR0 is a dummy reg
294// that doesn't matter.
295def pred : PredicateOperand<OtherVT, (ops imm, CRRC),
296                                     (ops (i32 20), CR0)> {
297  let PrintMethod = "printPredicateOperand";
298}
299
300// Define PowerPC specific addressing mode.
301def iaddr  : ComplexPattern<iPTR, 2, "SelectAddrImm",    [], []>;
302def xaddr  : ComplexPattern<iPTR, 2, "SelectAddrIdx",    [], []>;
303def xoaddr : ComplexPattern<iPTR, 2, "SelectAddrIdxOnly",[], []>;
304def ixaddr : ComplexPattern<iPTR, 2, "SelectAddrImmShift", [], []>; // "std"
305
306/// This is just the offset part of iaddr, used for preinc.
307def iaddroff : ComplexPattern<iPTR, 1, "SelectAddrImmOffs", [], []>;
308
309//===----------------------------------------------------------------------===//
310// PowerPC Instruction Predicate Definitions.
311def FPContractions : Predicate<"!NoExcessFPPrecision">;
312def In32BitMode  : Predicate<"!PPCSubTarget.isPPC64()">;
313def In64BitMode  : Predicate<"PPCSubTarget.isPPC64()">;
314
315
316//===----------------------------------------------------------------------===//
317// PowerPC Instruction Definitions.
318
319// Pseudo-instructions:
320
321let hasCtrlDep = 1 in {
322let Defs = [R1], Uses = [R1] in {
323def ADJCALLSTACKDOWN : Pseudo<(outs), (ins u16imm:$amt),
324                              "${:comment} ADJCALLSTACKDOWN",
325                              [(callseq_start imm:$amt)]>;
326def ADJCALLSTACKUP   : Pseudo<(outs), (ins u16imm:$amt1, u16imm:$amt2),
327                              "${:comment} ADJCALLSTACKUP",
328                              [(callseq_end imm:$amt1, imm:$amt2)]>;
329}
330
331def UPDATE_VRSAVE    : Pseudo<(outs GPRC:$rD), (ins GPRC:$rS),
332                              "UPDATE_VRSAVE $rD, $rS", []>;
333}
334
335let Defs = [R1], Uses = [R1] in
336def DYNALLOC : Pseudo<(outs GPRC:$result), (ins GPRC:$negsize, memri:$fpsi),
337                       "${:comment} DYNALLOC $result, $negsize, $fpsi",
338                       [(set GPRC:$result,
339                             (PPCdynalloc GPRC:$negsize, iaddr:$fpsi))]>;
340                         
341let isImplicitDef = 1 in {
342def IMPLICIT_DEF_GPRC: Pseudo<(outs GPRC:$rD), (ins),
343                              "${:comment}IMPLICIT_DEF_GPRC $rD",
344                              [(set GPRC:$rD, (undef))]>;
345def IMPLICIT_DEF_F8  : Pseudo<(outs F8RC:$rD), (ins),
346                              "${:comment} IMPLICIT_DEF_F8 $rD",
347                              [(set F8RC:$rD, (undef))]>;
348def IMPLICIT_DEF_F4  : Pseudo<(outs F4RC:$rD), (ins),
349                              "${:comment} IMPLICIT_DEF_F4 $rD",
350                              [(set F4RC:$rD, (undef))]>;
351}
352
353// SELECT_CC_* - Used to implement the SELECT_CC DAG operation.  Expanded by the
354// scheduler into a branch sequence.
355let usesCustomDAGSchedInserter = 1,    // Expanded by the scheduler.
356    PPC970_Single = 1 in {
357  def SELECT_CC_I4 : Pseudo<(outs GPRC:$dst), (ins CRRC:$cond, GPRC:$T, GPRC:$F,
358                              i32imm:$BROPC), "${:comment} SELECT_CC PSEUDO!",
359                              []>;
360  def SELECT_CC_I8 : Pseudo<(outs G8RC:$dst), (ins CRRC:$cond, G8RC:$T, G8RC:$F,
361                              i32imm:$BROPC), "${:comment} SELECT_CC PSEUDO!",
362                              []>;
363  def SELECT_CC_F4  : Pseudo<(outs F4RC:$dst), (ins CRRC:$cond, F4RC:$T, F4RC:$F,
364                              i32imm:$BROPC), "${:comment} SELECT_CC PSEUDO!",
365                              []>;
366  def SELECT_CC_F8  : Pseudo<(outs F8RC:$dst), (ins CRRC:$cond, F8RC:$T, F8RC:$F,
367                              i32imm:$BROPC), "${:comment} SELECT_CC PSEUDO!",
368                              []>;
369  def SELECT_CC_VRRC: Pseudo<(outs VRRC:$dst), (ins CRRC:$cond, VRRC:$T, VRRC:$F,
370                              i32imm:$BROPC), "${:comment} SELECT_CC PSEUDO!",
371                              []>;
372}
373
374let isTerminator = 1, isBarrier = 1, PPC970_Unit = 7 in {
375  let isReturn = 1 in
376    def BLR : XLForm_2_br<19, 16, 0, (outs), (ins pred:$p),
377                          "b${p:cc}lr ${p:reg}", BrB, 
378                          [(retflag)]>;
379  let isBranch = 1, isIndirectBranch = 1 in
380    def BCTR : XLForm_2_ext<19, 528, 20, 0, 0, (outs), (ins), "bctr", BrB, []>;
381}
382
383
384
385let Defs = [LR] in
386  def MovePCtoLR : Pseudo<(outs), (ins piclabel:$label), "bl $label", []>,
387                   PPC970_Unit_BRU;
388
389let isBranch = 1, isTerminator = 1, hasCtrlDep = 1, PPC970_Unit = 7 in {
390  let isBarrier = 1 in {
391  def B   : IForm<18, 0, 0, (outs), (ins target:$dst),
392                  "b $dst", BrB,
393                  [(br bb:$dst)]>;
394  }
395
396  // BCC represents an arbitrary conditional branch on a predicate.
397  // FIXME: should be able to write a pattern for PPCcondbranch, but can't use
398  // a two-value operand where a dag node expects two operands. :( 
399  def BCC : BForm<16, 0, 0, (outs), (ins pred:$cond, target:$dst),
400                  "b${cond:cc} ${cond:reg}, $dst"
401                  /*[(PPCcondbranch CRRC:$crS, imm:$opc, bb:$dst)]*/>;
402}
403
404// Macho ABI Calls.
405let isCall = 1, PPC970_Unit = 7, 
406  // All calls clobber the non-callee saved registers...
407  Defs = [R0,R2,R3,R4,R5,R6,R7,R8,R9,R10,R11,R12,
408          F0,F1,F2,F3,F4,F5,F6,F7,F8,F9,F10,F11,F12,F13,
409          V0,V1,V2,V3,V4,V5,V6,V7,V8,V9,V10,V11,V12,V13,V14,V15,V16,V17,V18,V19,
410          LR,CTR,
411          CR0,CR1,CR5,CR6,CR7] in {
412  // Convenient aliases for call instructions
413  def BL_Macho  : IForm<18, 0, 1,
414                        (outs), (ins calltarget:$func, variable_ops), 
415                        "bl $func", BrB, []>;  // See Pat patterns below.
416  def BLA_Macho : IForm<18, 1, 1, 
417                        (outs), (ins aaddr:$func, variable_ops),
418                        "bla $func", BrB, [(PPCcall_Macho (i32 imm:$func))]>;
419  def BCTRL_Macho : XLForm_2_ext<19, 528, 20, 0, 1, 
420                                 (outs), (ins variable_ops),
421                                 "bctrl", BrB,
422                                 [(PPCbctrl_Macho)]>, Requires<[In32BitMode]>;
423}
424
425// ELF ABI Calls.
426let isCall = 1, PPC970_Unit = 7, 
427  // All calls clobber the non-callee saved registers...
428  Defs = [R0,R2,R3,R4,R5,R6,R7,R8,R9,R10,R11,R12,
429          F0,F1,F2,F3,F4,F5,F6,F7,F8,
430          V0,V1,V2,V3,V4,V5,V6,V7,V8,V9,V10,V11,V12,V13,V14,V15,V16,V17,V18,V19,
431          LR,CTR,
432          CR0,CR1,CR5,CR6,CR7] in {
433  // Convenient aliases for call instructions
434  def BL_ELF  : IForm<18, 0, 1,
435                      (outs), (ins calltarget:$func, variable_ops), 
436                      "bl $func", BrB, []>;  // See Pat patterns below.
437  def BLA_ELF : IForm<18, 1, 1,
438                      (outs), (ins aaddr:$func, variable_ops),
439                      "bla $func", BrB,
440                      [(PPCcall_ELF (i32 imm:$func))]>;
441  def BCTRL_ELF : XLForm_2_ext<19, 528, 20, 0, 1,
442                               (outs), (ins variable_ops),
443                               "bctrl", BrB,
444                               [(PPCbctrl_ELF)]>, Requires<[In32BitMode]>;
445}
446
447// DCB* instructions.
448def DCBA   : DCB_Form<758, 0, (outs), (ins memrr:$dst),
449                      "dcba $dst", LdStDCBF, [(int_ppc_dcba xoaddr:$dst)]>,
450                      PPC970_DGroup_Single;
451def DCBF   : DCB_Form<86, 0, (outs), (ins memrr:$dst),
452                      "dcbf $dst", LdStDCBF, [(int_ppc_dcbf xoaddr:$dst)]>,
453                      PPC970_DGroup_Single;
454def DCBI   : DCB_Form<470, 0, (outs), (ins memrr:$dst),
455                      "dcbi $dst", LdStDCBF, [(int_ppc_dcbi xoaddr:$dst)]>,
456                      PPC970_DGroup_Single;
457def DCBST  : DCB_Form<54, 0, (outs), (ins memrr:$dst),
458                      "dcbst $dst", LdStDCBF, [(int_ppc_dcbst xoaddr:$dst)]>,
459                      PPC970_DGroup_Single;
460def DCBT   : DCB_Form<278, 0, (outs), (ins memrr:$dst),
461                      "dcbt $dst", LdStDCBF, [(int_ppc_dcbt xoaddr:$dst)]>,
462                      PPC970_DGroup_Single;
463def DCBTST : DCB_Form<246, 0, (outs), (ins memrr:$dst),
464                      "dcbtst $dst", LdStDCBF, [(int_ppc_dcbtst xoaddr:$dst)]>,
465                      PPC970_DGroup_Single;
466def DCBZ   : DCB_Form<1014, 0, (outs), (ins memrr:$dst),
467                      "dcbz $dst", LdStDCBF, [(int_ppc_dcbz xoaddr:$dst)]>,
468                      PPC970_DGroup_Single;
469def DCBZL  : DCB_Form<1014, 1, (outs), (ins memrr:$dst),
470                      "dcbzl $dst", LdStDCBF, [(int_ppc_dcbzl xoaddr:$dst)]>,
471                      PPC970_DGroup_Single;
472
473//===----------------------------------------------------------------------===//
474// PPC32 Load Instructions.
475//
476
477// Unindexed (r+i) Loads. 
478let isSimpleLoad = 1, PPC970_Unit = 2 in {
479def LBZ : DForm_1<34, (outs GPRC:$rD), (ins memri:$src),
480                  "lbz $rD, $src", LdStGeneral,
481                  [(set GPRC:$rD, (zextloadi8 iaddr:$src))]>;
482def LHA : DForm_1<42, (outs GPRC:$rD), (ins memri:$src),
483                  "lha $rD, $src", LdStLHA,
484                  [(set GPRC:$rD, (sextloadi16 iaddr:$src))]>,
485                  PPC970_DGroup_Cracked;
486def LHZ : DForm_1<40, (outs GPRC:$rD), (ins memri:$src),
487                  "lhz $rD, $src", LdStGeneral,
488                  [(set GPRC:$rD, (zextloadi16 iaddr:$src))]>;
489def LWZ : DForm_1<32, (outs GPRC:$rD), (ins memri:$src),
490                  "lwz $rD, $src", LdStGeneral,
491                  [(set GPRC:$rD, (load iaddr:$src))]>;
492
493def LFS : DForm_1<48, (outs F4RC:$rD), (ins memri:$src),
494                  "lfs $rD, $src", LdStLFDU,
495                  [(set F4RC:$rD, (load iaddr:$src))]>;
496def LFD : DForm_1<50, (outs F8RC:$rD), (ins memri:$src),
497                  "lfd $rD, $src", LdStLFD,
498                  [(set F8RC:$rD, (load iaddr:$src))]>;
499
500
501// Unindexed (r+i) Loads with Update (preinc).
502def LBZU : DForm_1<35, (outs GPRC:$rD, ptr_rc:$ea_result), (ins memri:$addr),
503                   "lbzu $rD, $addr", LdStGeneral,
504                   []>, RegConstraint<"$addr.reg = $ea_result">,
505                   NoEncode<"$ea_result">;
506
507def LHAU : DForm_1<43, (outs GPRC:$rD, ptr_rc:$ea_result), (ins memri:$addr),
508                   "lhau $rD, $addr", LdStGeneral,
509                   []>, RegConstraint<"$addr.reg = $ea_result">,
510                   NoEncode<"$ea_result">;
511
512def LHZU : DForm_1<41, (outs GPRC:$rD, ptr_rc:$ea_result), (ins memri:$addr),
513                   "lhzu $rD, $addr", LdStGeneral,
514                   []>, RegConstraint<"$addr.reg = $ea_result">,
515                   NoEncode<"$ea_result">;
516
517def LWZU : DForm_1<33, (outs GPRC:$rD, ptr_rc:$ea_result), (ins memri:$addr),
518                   "lwzu $rD, $addr", LdStGeneral,
519                   []>, RegConstraint<"$addr.reg = $ea_result">,
520                   NoEncode<"$ea_result">;
521
522def LFSU : DForm_1<49, (outs F4RC:$rD, ptr_rc:$ea_result), (ins memri:$addr),
523                  "lfs $rD, $addr", LdStLFDU,
524                  []>, RegConstraint<"$addr.reg = $ea_result">,
525                   NoEncode<"$ea_result">;
526
527def LFDU : DForm_1<51, (outs F8RC:$rD, ptr_rc:$ea_result), (ins memri:$addr),
528                  "lfd $rD, $addr", LdStLFD,
529                  []>, RegConstraint<"$addr.reg = $ea_result">,
530                   NoEncode<"$ea_result">;
531}
532
533// Indexed (r+r) Loads.
534//
535let isSimpleLoad = 1, PPC970_Unit = 2 in {
536def LBZX : XForm_1<31,  87, (outs GPRC:$rD), (ins memrr:$src),
537                   "lbzx $rD, $src", LdStGeneral,
538                   [(set GPRC:$rD, (zextloadi8 xaddr:$src))]>;
539def LHAX : XForm_1<31, 343, (outs GPRC:$rD), (ins memrr:$src),
540                   "lhax $rD, $src", LdStLHA,
541                   [(set GPRC:$rD, (sextloadi16 xaddr:$src))]>,
542                   PPC970_DGroup_Cracked;
543def LHZX : XForm_1<31, 279, (outs GPRC:$rD), (ins memrr:$src),
544                   "lhzx $rD, $src", LdStGeneral,
545                   [(set GPRC:$rD, (zextloadi16 xaddr:$src))]>;
546def LWZX : XForm_1<31,  23, (outs GPRC:$rD), (ins memrr:$src),
547                   "lwzx $rD, $src", LdStGeneral,
548                   [(set GPRC:$rD, (load xaddr:$src))]>;
549                   
550                   
551def LHBRX : XForm_1<31, 790, (outs GPRC:$rD), (ins memrr:$src),
552                   "lhbrx $rD, $src", LdStGeneral,
553                   [(set GPRC:$rD, (PPClbrx xoaddr:$src, srcvalue:$sv, i16))]>;
554def LWBRX : XForm_1<31,  534, (outs GPRC:$rD), (ins memrr:$src),
555                   "lwbrx $rD, $src", LdStGeneral,
556                   [(set GPRC:$rD, (PPClbrx xoaddr:$src, srcvalue:$sv, i32))]>;
557
558def LFSX   : XForm_25<31, 535, (outs F4RC:$frD), (ins memrr:$src),
559                      "lfsx $frD, $src", LdStLFDU,
560                      [(set F4RC:$frD, (load xaddr:$src))]>;
561def LFDX   : XForm_25<31, 599, (outs F8RC:$frD), (ins memrr:$src),
562                      "lfdx $frD, $src", LdStLFDU,
563                      [(set F8RC:$frD, (load xaddr:$src))]>;
564}
565
566//===----------------------------------------------------------------------===//
567// PPC32 Store Instructions.
568//
569
570// Unindexed (r+i) Stores.
571let PPC970_Unit = 2 in {
572def STB  : DForm_1<38, (outs), (ins GPRC:$rS, memri:$src),
573                   "stb $rS, $src", LdStGeneral,
574                   [(truncstorei8 GPRC:$rS, iaddr:$src)]>;
575def STH  : DForm_1<44, (outs), (ins GPRC:$rS, memri:$src),
576                   "sth $rS, $src", LdStGeneral,
577                   [(truncstorei16 GPRC:$rS, iaddr:$src)]>;
578def STW  : DForm_1<36, (outs), (ins GPRC:$rS, memri:$src),
579                   "stw $rS, $src", LdStGeneral,
580                   [(store GPRC:$rS, iaddr:$src)]>;
581def STFS : DForm_1<52, (outs), (ins F4RC:$rS, memri:$dst),
582                   "stfs $rS, $dst", LdStUX,
583                   [(store F4RC:$rS, iaddr:$dst)]>;
584def STFD : DForm_1<54, (outs), (ins F8RC:$rS, memri:$dst),
585                   "stfd $rS, $dst", LdStUX,
586                   [(store F8RC:$rS, iaddr:$dst)]>;
587}
588
589// Unindexed (r+i) Stores with Update (preinc).
590let PPC970_Unit = 2 in {
591def STBU  : DForm_1<39, (outs ptr_rc:$ea_res), (ins GPRC:$rS,
592                             symbolLo:$ptroff, ptr_rc:$ptrreg),
593                    "stbu $rS, $ptroff($ptrreg)", LdStGeneral,
594                    [(set ptr_rc:$ea_res,
595                          (pre_truncsti8 GPRC:$rS, ptr_rc:$ptrreg, 
596                                         iaddroff:$ptroff))]>,
597                    RegConstraint<"$ptrreg = $ea_res">, NoEncode<"$ea_res">;
598def STHU  : DForm_1<45, (outs ptr_rc:$ea_res), (ins GPRC:$rS,
599                             symbolLo:$ptroff, ptr_rc:$ptrreg),
600                    "sthu $rS, $ptroff($ptrreg)", LdStGeneral,
601                    [(set ptr_rc:$ea_res,
602                        (pre_truncsti16 GPRC:$rS, ptr_rc:$ptrreg, 
603                                        iaddroff:$ptroff))]>,
604                    RegConstraint<"$ptrreg = $ea_res">, NoEncode<"$ea_res">;
605def STWU  : DForm_1<37, (outs ptr_rc:$ea_res), (ins GPRC:$rS,
606                             symbolLo:$ptroff, ptr_rc:$ptrreg),
607                    "stwu $rS, $ptroff($ptrreg)", LdStGeneral,
608                    [(set ptr_rc:$ea_res, (pre_store GPRC:$rS, ptr_rc:$ptrreg, 
609                                                     iaddroff:$ptroff))]>,
610                    RegConstraint<"$ptrreg = $ea_res">, NoEncode<"$ea_res">;
611def STFSU : DForm_1<37, (outs ptr_rc:$ea_res), (ins F4RC:$rS,
612                             symbolLo:$ptroff, ptr_rc:$ptrreg),
613                    "stfsu $rS, $ptroff($ptrreg)", LdStGeneral,
614                    [(set ptr_rc:$ea_res, (pre_store F4RC:$rS,  ptr_rc:$ptrreg, 
615                                          iaddroff:$ptroff))]>,
616                    RegConstraint<"$ptrreg = $ea_res">, NoEncode<"$ea_res">;
617def STFDU : DForm_1<37, (outs ptr_rc:$ea_res), (ins F8RC:$rS,
618                             symbolLo:$ptroff, ptr_rc:$ptrreg),
619                    "stfdu $rS, $ptroff($ptrreg)", LdStGeneral,
620                    [(set ptr_rc:$ea_res, (pre_store F8RC:$rS, ptr_rc:$ptrreg, 
621                                          iaddroff:$ptroff))]>,
622                    RegConstraint<"$ptrreg = $ea_res">, NoEncode<"$ea_res">;
623}
624
625
626// Indexed (r+r) Stores.
627//
628let PPC970_Unit = 2 in {
629def STBX  : XForm_8<31, 215, (outs), (ins GPRC:$rS, memrr:$dst),
630                   "stbx $rS, $dst", LdStGeneral,
631                   [(truncstorei8 GPRC:$rS, xaddr:$dst)]>, 
632                   PPC970_DGroup_Cracked;
633def STHX  : XForm_8<31, 407, (outs), (ins GPRC:$rS, memrr:$dst),
634                   "sthx $rS, $dst", LdStGeneral,
635                   [(truncstorei16 GPRC:$rS, xaddr:$dst)]>, 
636                   PPC970_DGroup_Cracked;
637def STWX  : XForm_8<31, 151, (outs), (ins GPRC:$rS, memrr:$dst),
638                   "stwx $rS, $dst", LdStGeneral,
639                   [(store GPRC:$rS, xaddr:$dst)]>,
640                   PPC970_DGroup_Cracked;
641                   
642let mayStore = 1 in {
643def STWUX : XForm_8<31, 183, (outs), (ins GPRC:$rS, GPRC:$rA, GPRC:$rB),
644                   "stwux $rS, $rA, $rB", LdStGeneral,
645                   []>;
646}
647def STHBRX: XForm_8<31, 918, (outs), (ins GPRC:$rS, memrr:$dst),
648                   "sthbrx $rS, $dst", LdStGeneral,
649                   [(PPCstbrx GPRC:$rS, xoaddr:$dst, srcvalue:$dummy, i16)]>, 
650                   PPC970_DGroup_Cracked;
651def STWBRX: XForm_8<31, 662, (outs), (ins GPRC:$rS, memrr:$dst),
652                   "stwbrx $rS, $dst", LdStGeneral,
653                   [(PPCstbrx GPRC:$rS, xoaddr:$dst, srcvalue:$dummy, i32)]>,
654                   PPC970_DGroup_Cracked;
655
656def STFIWX: XForm_28<31, 983, (outs), (ins F8RC:$frS, memrr:$dst),
657                     "stfiwx $frS, $dst", LdStUX,
658                     [(PPCstfiwx F8RC:$frS, xoaddr:$dst)]>;
659                     
660def STFSX : XForm_28<31, 663, (outs), (ins F4RC:$frS, memrr:$dst),
661                     "stfsx $frS, $dst", LdStUX,
662                     [(store F4RC:$frS, xaddr:$dst)]>;
663def STFDX : XForm_28<31, 727, (outs), (ins F8RC:$frS, memrr:$dst),
664                     "stfdx $frS, $dst", LdStUX,
665                     [(store F8RC:$frS, xaddr:$dst)]>;
666}
667
668
669//===----------------------------------------------------------------------===//
670// PPC32 Arithmetic Instructions.
671//
672
673let PPC970_Unit = 1 in {  // FXU Operations.
674def ADDI   : DForm_2<14, (outs GPRC:$rD), (ins GPRC:$rA, s16imm:$imm),
675                     "addi $rD, $rA, $imm", IntGeneral,
676                     [(set GPRC:$rD, (add GPRC:$rA, immSExt16:$imm))]>;
677def ADDIC  : DForm_2<12, (outs GPRC:$rD), (ins GPRC:$rA, s16imm:$imm),
678                     "addic $rD, $rA, $imm", IntGeneral,
679                     [(set GPRC:$rD, (addc GPRC:$rA, immSExt16:$imm))]>,
680                     PPC970_DGroup_Cracked;
681def ADDICo : DForm_2<13, (outs GPRC:$rD), (ins GPRC:$rA, s16imm:$imm),
682                     "addic. $rD, $rA, $imm", IntGeneral,
683                     []>;
684def ADDIS  : DForm_2<15, (outs GPRC:$rD), (ins GPRC:$rA, symbolHi:$imm),
685                     "addis $rD, $rA, $imm", IntGeneral,
686                     [(set GPRC:$rD, (add GPRC:$rA, imm16ShiftedSExt:$imm))]>;
687def LA     : DForm_2<14, (outs GPRC:$rD), (ins GPRC:$rA, symbolLo:$sym),
688                     "la $rD, $sym($rA)", IntGeneral,
689                     [(set GPRC:$rD, (add GPRC:$rA,
690                                          (PPClo tglobaladdr:$sym, 0)))]>;
691def MULLI  : DForm_2< 7, (outs GPRC:$rD), (ins GPRC:$rA, s16imm:$imm),
692                     "mulli $rD, $rA, $imm", IntMulLI,
693                     [(set GPRC:$rD, (mul GPRC:$rA, immSExt16:$imm))]>;
694def SUBFIC : DForm_2< 8, (outs GPRC:$rD), (ins GPRC:$rA, s16imm:$imm),
695                     "subfic $rD, $rA, $imm", IntGeneral,
696                     [(set GPRC:$rD, (subc immSExt16:$imm, GPRC:$rA))]>;
697
698let isReMaterializable = 1 in {
699  def LI  : DForm_2_r0<14, (outs GPRC:$rD), (ins symbolLo:$imm),
700                       "li $rD, $imm", IntGeneral,
701                       [(set GPRC:$rD, immSExt16:$imm)]>;
702  def LIS : DForm_2_r0<15, (outs GPRC:$rD), (ins symbolHi:$imm),
703                       "lis $rD, $imm", IntGeneral,
704                       [(set GPRC:$rD, imm16ShiftedSExt:$imm)]>;
705}
706}
707
708let PPC970_Unit = 1 in {  // FXU Operations.
709def ANDIo : DForm_4<28, (outs GPRC:$dst), (ins GPRC:$src1, u16imm:$src2),
710                    "andi. $dst, $src1, $src2", IntGeneral,
711                    [(set GPRC:$dst, (and GPRC:$src1, immZExt16:$src2))]>,
712                    isDOT;
713def ANDISo : DForm_4<29, (outs GPRC:$dst), (ins GPRC:$src1, u16imm:$src2),
714                    "andis. $dst, $src1, $src2", IntGeneral,
715                    [(set GPRC:$dst, (and GPRC:$src1,imm16ShiftedZExt:$src2))]>,
716                    isDOT;
717def ORI   : DForm_4<24, (outs GPRC:$dst), (ins GPRC:$src1, u16imm:$src2),
718                    "ori $dst, $src1, $src2", IntGeneral,
719                    [(set GPRC:$dst, (or GPRC:$src1, immZExt16:$src2))]>;
720def ORIS  : DForm_4<25, (outs GPRC:$dst), (ins GPRC:$src1, u16imm:$src2),
721                    "oris $dst, $src1, $src2", IntGeneral,
722                    [(set GPRC:$dst, (or GPRC:$src1, imm16ShiftedZExt:$src2))]>;
723def XORI  : DForm_4<26, (outs GPRC:$dst), (ins GPRC:$src1, u16imm:$src2),
724                    "xori $dst, $src1, $src2", IntGeneral,
725                    [(set GPRC:$dst, (xor GPRC:$src1, immZExt16:$src2))]>;
726def XORIS : DForm_4<27, (outs GPRC:$dst), (ins GPRC:$src1, u16imm:$src2),
727                    "xoris $dst, $src1, $src2", IntGeneral,
728                    [(set GPRC:$dst, (xor GPRC:$src1,imm16ShiftedZExt:$src2))]>;
729def NOP   : DForm_4_zero<24, (outs), (ins), "nop", IntGeneral,
730                         []>;
731def CMPWI : DForm_5_ext<11, (outs CRRC:$crD), (ins GPRC:$rA, s16imm:$imm),
732                        "cmpwi $crD, $rA, $imm", IntCompare>;
733def CMPLWI : DForm_6_ext<10, (outs CRRC:$dst), (ins GPRC:$src1, u16imm:$src2),
734                         "cmplwi $dst, $src1, $src2", IntCompare>;
735}
736
737
738let PPC970_Unit = 1 in {  // FXU Operations.
739def NAND : XForm_6<31, 476, (outs GPRC:$rA), (ins GPRC:$rS, GPRC:$rB),
740                   "nand $rA, $rS, $rB", IntGeneral,
741                   [(set GPRC:$rA, (not (and GPRC:$rS, GPRC:$rB)))]>;
742def AND  : XForm_6<31,  28, (outs GPRC:$rA), (ins GPRC:$rS, GPRC:$rB),
743                   "and $rA, $rS, $rB", IntGeneral,
744                   [(set GPRC:$rA, (and GPRC:$rS, GPRC:$rB))]>;
745def ANDC : XForm_6<31,  60, (outs GPRC:$rA), (ins GPRC:$rS, GPRC:$rB),
746                   "andc $rA, $rS, $rB", IntGeneral,
747                   [(set GPRC:$rA, (and GPRC:$rS, (not GPRC:$rB)))]>;
748def OR   : XForm_6<31, 444, (outs GPRC:$rA), (ins GPRC:$rS, GPRC:$rB),
749                   "or $rA, $rS, $rB", IntGeneral,
750                   [(set GPRC:$rA, (or GPRC:$rS, GPRC:$rB))]>;
751def NOR  : XForm_6<31, 124, (outs GPRC:$rA), (ins GPRC:$rS, GPRC:$rB),
752                   "nor $rA, $rS, $rB", IntGeneral,
753                   [(set GPRC:$rA, (not (or GPRC:$rS, GPRC:$rB)))]>;
754def ORC  : XForm_6<31, 412, (outs GPRC:$rA), (ins GPRC:$rS, GPRC:$rB),
755                   "orc $rA, $rS, $rB", IntGeneral,
756                   [(set GPRC:$rA, (or GPRC:$rS, (not GPRC:$rB)))]>;
757def EQV  : XForm_6<31, 284, (outs GPRC:$rA), (ins GPRC:$rS, GPRC:$rB),
758                   "eqv $rA, $rS, $rB", IntGeneral,
759                   [(set GPRC:$rA, (not (xor GPRC:$rS, GPRC:$rB)))]>;
760def XOR  : XForm_6<31, 316, (outs GPRC:$rA), (ins GPRC:$rS, GPRC:$rB),
761                   "xor $rA, $rS, $rB", IntGeneral,
762                   [(set GPRC:$rA, (xor GPRC:$rS, GPRC:$rB))]>;
763def SLW  : XForm_6<31,  24, (outs GPRC:$rA), (ins GPRC:$rS, GPRC:$rB),
764                   "slw $rA, $rS, $rB", IntGeneral,
765                   [(set GPRC:$rA, (PPCshl GPRC:$rS, GPRC:$rB))]>;
766def SRW  : XForm_6<31, 536, (outs GPRC:$rA), (ins GPRC:$rS, GPRC:$rB),
767                   "srw $rA, $rS, $rB", IntGeneral,
768                   [(set GPRC:$rA, (PPCsrl GPRC:$rS, GPRC:$rB))]>;
769def SRAW : XForm_6<31, 792, (outs GPRC:$rA), (ins GPRC:$rS, GPRC:$rB),
770                   "sraw $rA, $rS, $rB", IntShift,
771                   [(set GPRC:$rA, (PPCsra GPRC:$rS, GPRC:$rB))]>;
772}
773
774let PPC970_Unit = 1 in {  // FXU Operations.
775def SRAWI : XForm_10<31, 824, (outs GPRC:$rA), (ins GPRC:$rS, u5imm:$SH), 
776                     "srawi $rA, $rS, $SH", IntShift,
777                     [(set GPRC:$rA, (sra GPRC:$rS, (i32 imm:$SH)))]>;
778def CNTLZW : XForm_11<31,  26, (outs GPRC:$rA), (ins GPRC:$rS),
779                      "cntlzw $rA, $rS", IntGeneral,
780                      [(set GPRC:$rA, (ctlz GPRC:$rS))]>;
781def EXTSB  : XForm_11<31, 954, (outs GPRC:$rA), (ins GPRC:$rS),
782                      "extsb $rA, $rS", IntGeneral,
783                      [(set GPRC:$rA, (sext_inreg GPRC:$rS, i8))]>;
784def EXTSH  : XForm_11<31, 922, (outs GPRC:$rA), (ins GPRC:$rS),
785                      "extsh $rA, $rS", IntGeneral,
786                      [(set GPRC:$rA, (sext_inreg GPRC:$rS, i16))]>;
787
788def CMPW   : XForm_16_ext<31, 0, (outs CRRC:$crD), (ins GPRC:$rA, GPRC:$rB),
789                          "cmpw $crD, $rA, $rB", IntCompare>;
790def CMPLW  : XForm_16_ext<31, 32, (outs CRRC:$crD), (ins GPRC:$rA, GPRC:$rB),
791                          "cmplw $crD, $rA, $rB", IntCompare>;
792}
793let PPC970_Unit = 3 in {  // FPU Operations.
794//def FCMPO  : XForm_17<63, 32, (outs CRRC:$crD), (ins FPRC:$fA, FPRC:$fB),
795//                      "fcmpo $crD, $fA, $fB", FPCompare>;
796def FCMPUS : XForm_17<63, 0, (outs CRRC:$crD), (ins F4RC:$fA, F4RC:$fB),
797                      "fcmpu $crD, $fA, $fB", FPCompare>;
798def FCMPUD : XForm_17<63, 0, (outs CRRC:$crD), (ins F8RC:$fA, F8RC:$fB),
799                      "fcmpu $crD, $fA, $fB", FPCompare>;
800
801def FCTIWZ : XForm_26<63, 15, (outs F8RC:$frD), (ins F8RC:$frB),
802                      "fctiwz $frD, $frB", FPGeneral,
803                      [(set F8RC:$frD, (PPCfctiwz F8RC:$frB))]>;
804def FRSP   : XForm_26<63, 12, (outs F4RC:$frD), (ins F8RC:$frB),
805                      "frsp $frD, $frB", FPGeneral,
806                      [(set F4RC:$frD, (fround F8RC:$frB))]>;
807def FSQRT  : XForm_26<63, 22, (outs F8RC:$frD), (ins F8RC:$frB),
808                      "fsqrt $frD, $frB", FPSqrt,
809                      [(set F8RC:$frD, (fsqrt F8RC:$frB))]>;
810def FSQRTS : XForm_26<59, 22, (outs F4RC:$frD), (ins F4RC:$frB),
811                      "fsqrts $frD, $frB", FPSqrt,
812                      [(set F4RC:$frD, (fsqrt F4RC:$frB))]>;
813}
814
815/// FMR is split into 3 versions, one for 4/8 byte FP, and one for extending.
816///
817/// Note that these are defined as pseudo-ops on the PPC970 because they are
818/// often coalesced away and we don't want the dispatch group builder to think
819/// that they will fill slots (which could cause the load of a LSU reject to
820/// sneak into a d-group with a store).
821def FMRS   : XForm_26<63, 72, (outs F4RC:$frD), (ins F4RC:$frB),
822                      "fmr $frD, $frB", FPGeneral,
823                      []>,  // (set F4RC:$frD, F4RC:$frB)
824                      PPC970_Unit_Pseudo;
825def FMRD   : XForm_26<63, 72, (outs F8RC:$frD), (ins F8RC:$frB),
826                      "fmr $frD, $frB", FPGeneral,
827                      []>,  // (set F8RC:$frD, F8RC:$frB)
828                      PPC970_Unit_Pseudo;
829def FMRSD  : XForm_26<63, 72, (outs F8RC:$frD), (ins F4RC:$frB),
830                      "fmr $frD, $frB", FPGeneral,
831                      [(set F8RC:$frD, (fextend F4RC:$frB))]>,
832                      PPC970_Unit_Pseudo;
833
834let PPC970_Unit = 3 in {  // FPU Operations.
835// These are artificially split into two different forms, for 4/8 byte FP.
836def FABSS  : XForm_26<63, 264, (outs F4RC:$frD), (ins F4RC:$frB),
837                      "fabs $frD, $frB", FPGeneral,
838                      [(set F4RC:$frD, (fabs F4RC:$frB))]>;
839def FABSD  : XForm_26<63, 264, (outs F8RC:$frD), (ins F8RC:$frB),
840                      "fabs $frD, $frB", FPGeneral,
841                      [(set F8RC:$frD, (fabs F8RC:$frB))]>;
842def FNABSS : XForm_26<63, 136, (outs F4RC:$frD), (ins F4RC:$frB),
843                      "fnabs $frD, $frB", FPGeneral,
844                      [(set F4RC:$frD, (fneg (fabs F4RC:$frB)))]>;
845def FNABSD : XForm_26<63, 136, (outs F8RC:$frD), (ins F8RC:$frB),
846                      "fnabs $frD, $frB", FPGeneral,
847                      [(set F8RC:$frD, (fneg (fabs F8RC:$frB)))]>;
848def FNEGS  : XForm_26<63, 40, (outs F4RC:$frD), (ins F4RC:$frB),
849                      "fneg $frD, $frB", FPGeneral,
850                      [(set F4RC:$frD, (fneg F4RC:$frB))]>;
851def FNEGD  : XForm_26<63, 40, (outs F8RC:$frD), (ins F8RC:$frB),
852                      "fneg $frD, $frB", FPGeneral,
853                      [(set F8RC:$frD, (fneg F8RC:$frB))]>;
854}
855                      
856
857// XL-Form instructions.  condition register logical ops.
858//
859def MCRF   : XLForm_3<19, 0, (outs CRRC:$BF), (ins CRRC:$BFA),
860                      "mcrf $BF, $BFA", BrMCR>,
861             PPC970_DGroup_First, PPC970_Unit_CRU;
862
863def CREQV  : XLForm_1<19, 289, (outs CRRC:$CRD), (ins CRRC:$CRA, CRRC:$CRB),
864                      "creqv $CRD, $CRA, $CRB", BrCR,
865                      []>;
866
867def SETCR  : XLForm_1_ext<19, 289, (outs CRRC:$dst), (ins),
868              "creqv $dst, $dst, $dst", BrCR,
869              []>;
870
871// XFX-Form instructions.  Instructions that deal with SPRs.
872//
873def MFCTR : XFXForm_1_ext<31, 339, 9, (outs GPRC:$rT), (ins),
874                          "mfctr $rT", SprMFSPR>,
875            PPC970_DGroup_First, PPC970_Unit_FXU;
876let Pattern = [(PPCmtctr GPRC:$rS)] in {
877def MTCTR : XFXForm_7_ext<31, 467, 9, (outs), (ins GPRC:$rS),
878                          "mtctr $rS", SprMTSPR>,
879            PPC970_DGroup_First, PPC970_Unit_FXU;
880}
881
882def MTLR  : XFXForm_7_ext<31, 467, 8, (outs), (ins GPRC:$rS),
883                          "mtlr $rS", SprMTSPR>,
884            PPC970_DGroup_First, PPC970_Unit_FXU;
885def MFLR  : XFXForm_1_ext<31, 339, 8, (outs GPRC:$rT), (ins),
886                          "mflr $rT", SprMFSPR>,
887            PPC970_DGroup_First, PPC970_Unit_FXU;
888
889// Move to/from VRSAVE: despite being a SPR, the VRSAVE register is renamed like
890// a GPR on the PPC970.  As such, copies in and out have the same performance
891// characteristics as an OR instruction.
892def MTVRSAVE : XFXForm_7_ext<31, 467, 256, (outs), (ins GPRC:$rS),
893                             "mtspr 256, $rS", IntGeneral>,
894               PPC970_DGroup_Single, PPC970_Unit_FXU;
895def MFVRSAVE : XFXForm_1_ext<31, 339, 256, (outs GPRC:$rT), (ins),
896                             "mfspr $rT, 256", IntGeneral>,
897               PPC970_DGroup_First, PPC970_Unit_FXU;
898
899def MTCRF : XFXForm_5<31, 144, (outs), (ins crbitm:$FXM, GPRC:$rS),
900                      "mtcrf $FXM, $rS", BrMCRX>,
901            PPC970_MicroCode, PPC970_Unit_CRU;
902def MFCR  : XFXForm_3<31, 19, (outs GPRC:$rT), (ins), "mfcr $rT", SprMFCR>,
903            PPC970_MicroCode, PPC970_Unit_CRU;
904def MFOCRF: XFXForm_5a<31, 19, (outs GPRC:$rT), (ins crbitm:$FXM),
905                       "mfcr $rT, $FXM", SprMFCR>,
906            PPC970_DGroup_First, PPC970_Unit_CRU;
907
908// Instructions to manipulate FPSCR.  Only long double handling uses these.
909// FPSCR is not modelled; we use the SDNode Flag to keep things in order.
910
911def MFFS   : XForm_42<63, 583, (outs F8RC:$rT), (ins), 
912                       "mffs $rT", IntMFFS,
913                       [(set F8RC:$rT, (PPCmffs))]>,
914             PPC970_DGroup_Single, PPC970_Unit_FPU;
915def MTFSB0 : XForm_43<63, 70, (outs), (ins u5imm:$FM),
916                       "mtfsb0 $FM", IntMTFSB0,
917                      [(PPCmtfsb0 (i32 imm:$FM))]>,
918             PPC970_DGroup_Single, PPC970_Unit_FPU;
919def MTFSB1 : XForm_43<63, 38, (outs), (ins u5imm:$FM),
920                       "mtfsb1 $FM", IntMTFSB0,
921                      [(PPCmtfsb1 (i32 imm:$FM))]>,
922             PPC970_DGroup_Single, PPC970_Unit_FPU;
923def FADDrtz: AForm_2<63, 21,
924                    (outs F8RC:$FRT), (ins F8RC:$FRA, F8RC:$FRB),
925                    "fadd $FRT, $FRA, $FRB", FPGeneral,
926                    [(set F8RC:$FRT, (PPCfaddrtz F8RC:$FRA, F8RC:$FRB))]>,
927             PPC970_DGroup_Single, PPC970_Unit_FPU;
928// MTFSF does not actually produce an FP result.  We pretend it copies
929// input reg B to the output.  If we didn't do this it would look like the
930// instruction had no outputs (because we aren't modelling the FPSCR) and
931// it would be deleted.
932def MTFSF  : XFLForm<63, 711, (outs F8RC:$FRA),
933                              (ins i32imm:$FM, F8RC:$rT, F8RC:$FRB),
934                       "mtfsf $FM, $rT", "$FRB = $FRA", IntMTFSB0,
935                       [(set F8RC:$FRA, (PPCmtfsf (i32 imm:$FM), 
936                                                   F8RC:$rT, F8RC:$FRB))]>,
937             PPC970_DGroup_Single, PPC970_Unit_FPU;
938
939let PPC970_Unit = 1 in {  // FXU Operations.
940
941// XO-Form instructions.  Arithmetic instructions that can set overflow bit
942//
943def ADD4  : XOForm_1<31, 266, 0, (outs GPRC:$rT), (ins GPRC:$rA, GPRC:$rB),
944                     "add $rT, $rA, $rB", IntGeneral,
945                     [(set GPRC:$rT, (add GPRC:$rA, GPRC:$rB))]>;
946def ADDC  : XOForm_1<31, 10, 0, (outs GPRC:$rT), (ins GPRC:$rA, GPRC:$rB),
947                     "addc $rT, $rA, $rB", IntGeneral,
948                     [(set GPRC:$rT, (addc GPRC:$rA, GPRC:$rB))]>,
949                     PPC970_DGroup_Cracked;
950def ADDE  : XOForm_1<31, 138, 0, (outs GPRC:$rT), (ins GPRC:$rA, GPRC:$rB),
951                     "adde $rT, $rA, $rB", IntGeneral,
952                     [(set GPRC:$rT, (adde GPRC:$rA, GPRC:$rB))]>;
953def DIVW  : XOForm_1<31, 491, 0, (outs GPRC:$rT), (ins GPRC:$rA, GPRC:$rB),
954                     "divw $rT, $rA, $rB", IntDivW,
955                     [(set GPRC:$rT, (sdiv GPRC:$rA, GPRC:$rB))]>,
956                     PPC970_DGroup_First, PPC970_DGroup_Cracked;
957def DIVWU : XOForm_1<31, 459, 0, (outs GPRC:$rT), (ins GPRC:$rA, GPRC:$rB),
958                     "divwu $rT, $rA, $rB", IntDivW,
959                     [(set GPRC:$rT, (udiv GPRC:$rA, GPRC:$rB))]>,
960                     PPC970_DGroup_First, PPC970_DGroup_Cracked;
961def MULHW : XOForm_1<31, 75, 0, (outs GPRC:$rT), (ins GPRC:$rA, GPRC:$rB),
962                     "mulhw $rT, $rA, $rB", IntMulHW,
963                     [(set GPRC:$rT, (mulhs GPRC:$rA, GPRC:$rB))]>;
964def MULHWU : XOForm_1<31, 11, 0, (outs GPRC:$rT), (ins GPRC:$rA, GPRC:$rB),
965                     "mulhwu $rT, $rA, $rB", IntMulHWU,
966                     [(set GPRC:$rT, (mulhu GPRC:$rA, GPRC:$rB))]>;
967def MULLW : XOForm_1<31, 235, 0, (outs GPRC:$rT), (ins GPRC:$rA, GPRC:$rB),
968                     "mullw $rT, $rA, $rB", IntMulHW,
969                     [(set GPRC:$rT, (mul GPRC:$rA, GPRC:$rB))]>;
970def SUBF  : XOForm_1<31, 40, 0, (outs GPRC:$rT), (ins GPRC:$rA, GPRC:$rB),
971                     "subf $rT, $rA, $rB", IntGeneral,
972                     [(set GPRC:$rT, (sub GPRC:$rB, GPRC:$rA))]>;
973def SUBFC : XOForm_1<31, 8, 0, (outs GPRC:$rT), (ins GPRC:$rA, GPRC:$rB),
974                     "subfc $rT, $rA, $rB", IntGeneral,
975                     [(set GPRC:$rT, (subc GPRC:$rB, GPRC:$rA))]>,
976                     PPC970_DGroup_Cracked;
977def SUBFE : XOForm_1<31, 136, 0, (outs GPRC:$rT), (ins GPRC:$rA, GPRC:$rB),
978                     "subfe $rT, $rA, $rB", IntGeneral,
979                     [(set GPRC:$rT, (sube GPRC:$rB, GPRC:$rA))]>;
980def ADDME  : XOForm_3<31, 234, 0, (outs GPRC:$rT), (ins GPRC:$rA),
981                      "addme $rT, $rA", IntGeneral,
982                      [(set GPRC:$rT, (adde GPRC:$rA, immAllOnes))]>;
983def ADDZE  : XOForm_3<31, 202, 0, (outs GPRC:$rT), (ins GPRC:$rA),
984                      "addze $rT, $rA", IntGeneral,
985                      [(set GPRC:$rT, (adde GPRC:$rA, 0))]>;
986def NEG    : XOForm_3<31, 104, 0, (outs GPRC:$rT), (ins GPRC:$rA),
987                      "neg $rT, $rA", IntGeneral,
988                      [(set GPRC:$rT, (ineg GPRC:$rA))]>;
989def SUBFME : XOForm_3<31, 232, 0, (outs GPRC:$rT), (ins GPRC:$rA),
990                      "subfme $rT, $rA", IntGeneral,
991                      [(set GPRC:$rT, (sube immAllOnes, GPRC:$rA))]>;
992def SUBFZE : XOForm_3<31, 200, 0, (outs GPRC:$rT), (ins GPRC:$rA),
993                      "subfze $rT, $rA", IntGeneral,
994                      [(set GPRC:$rT, (sube 0, GPRC:$rA))]>;
995}
996
997// A-Form instructions.  Most of the instructions executed in the FPU are of
998// this type.
999//
1000let PPC970_Unit = 3 in {  // FPU Operations.
1001def FMADD : AForm_1<63, 29, 
1002                    (outs F8RC:$FRT), (ins F8RC:$FRA, F8RC:$FRC, F8RC:$FRB),
1003                    "fmadd $FRT, $FRA, $FRC, $FRB", FPFused,
1004                    [(set F8RC:$FRT, (fadd (fmul F8RC:$FRA, F8RC:$FRC),
1005                                           F8RC:$FRB))]>,
1006                    Requires<[FPContractions]>;
1007def FMADDS : AForm_1<59, 29,
1008                    (outs F4RC:$FRT), (ins F4RC:$FRA, F4RC:$FRC, F4RC:$FRB),
1009                    "fmadds $FRT, $FRA, $FRC, $FRB", FPGeneral,
1010                    [(set F4RC:$FRT, (fadd (fmul F4RC:$FRA, F4RC:$FRC),
1011                                           F4RC:$FRB))]>,
1012                    Requires<[FPContractions]>;
1013def FMSUB : AForm_1<63, 28,
1014                    (outs F8RC:$FRT), (ins F8RC:$FRA, F8RC:$FRC, F8RC:$FRB),
1015                    "fmsub $FRT, $FRA, $FRC, $FRB", FPFused,
1016                    [(set F8RC:$FRT, (fsub (fmul F8RC:$FRA, F8RC:$FRC),
1017                                           F8RC:$FRB))]>,
1018                    Requires<[FPContractions]>;
1019def FMSUBS : AForm_1<59, 28,
1020                    (outs F4RC:$FRT), (ins F4RC:$FRA, F4RC:$FRC, F4RC:$FRB),
1021                    "fmsubs $FRT, $FRA, $FRC, $FRB", FPGeneral,
1022                    [(set F4RC:$FRT, (fsub (fmul F4RC:$FRA, F4RC:$FRC),
1023                                           F4RC:$FRB))]>,
1024                    Requires<[FPContractions]>;
1025def FNMADD : AForm_1<63, 31,
1026                    (outs F8RC:$FRT), (ins F8RC:$FRA, F8RC:$FRC, F8RC:$FRB),
1027                    "fnmadd $FRT, $FRA, $FRC, $FRB", FPFused,
1028                    [(set F8RC:$FRT, (fneg (fadd (fmul F8RC:$FRA, F8RC:$FRC),
1029                                                 F8RC:$FRB)))]>,
1030                    Requires<[FPContractions]>;
1031def FNMADDS : AForm_1<59, 31,
1032                    (outs F4RC:$FRT), (ins F4RC:$FRA, F4RC:$FRC, F4RC:$FRB),
1033                    "fnmadds $FRT, $FRA, $FRC, $FRB", FPGeneral,
1034                    [(set F4RC:$FRT, (fneg (fadd (fmul F4RC:$FRA, F4RC:$FRC),
1035                                                 F4RC:$FRB)))]>,
1036                    Requires<[FPContractions]>;
1037def FNMSUB : AForm_1<63, 30,
1038                    (outs F8RC:$FRT), (ins F8RC:$FRA, F8RC:$FRC, F8RC:$FRB),
1039                    "fnmsub $FRT, $FRA, $FRC, $FRB", FPFused,
1040                    [(set F8RC:$FRT, (fneg (fsub (fmul F8RC:$FRA, F8RC:$FRC),
1041                                                 F8RC:$FRB)))]>,
1042                    Requires<[FPContractions]>;
1043def FNMSUBS : AForm_1<59, 30,
1044                    (outs F4RC:$FRT), (ins F4RC:$FRA, F4RC:$FRC, F4RC:$FRB),
1045                    "fnmsubs $FRT, $FRA, $FRC, $FRB", FPGeneral,
1046                    [(set F4RC:$FRT, (fneg (fsub (fmul F4RC:$FRA, F4RC:$FRC),
1047                                                 F4RC:$FRB)))]>,
1048                    Requires<[FPContractions]>;
1049// FSEL is artificially split into 4 and 8-byte forms for the result.  To avoid
1050// having 4 of these, force the comparison to always be an 8-byte double (code
1051// should use an FMRSD if the input comparison value really wants to be a float)
1052// and 4/8 byte forms for the result and operand type..
1053def FSELD : AForm_1<63, 23,
1054                    (outs F8RC:$FRT), (ins F8RC:$FRA, F8RC:$FRC, F8RC:$FRB),
1055                    "fsel $FRT, $FRA, $FRC, $FRB", FPGeneral,
1056                    [(set F8RC:$FRT, (PPCfsel F8RC:$FRA,F8RC:$FRC,F8RC:$FRB))]>;
1057def FSELS : AForm_1<63, 23,
1058                     (outs F4RC:$FRT), (ins F8RC:$FRA, F4RC:$FRC, F4RC:$FRB),
1059                     "fsel $FRT, $FRA, $FRC, $FRB", FPGeneral,
1060                    [(set F4RC:$FRT, (PPCfsel F8RC:$FRA,F4RC:$FRC,F4RC:$FRB))]>;
1061def FADD  : AForm_2<63, 21,
1062                    (outs F8RC:$FRT), (ins F8RC:$FRA, F8RC:$FRB),
1063                    "fadd $FRT, $FRA, $FRB", FPGeneral,
1064                    [(set F8RC:$FRT, (fadd F8RC:$FRA, F8RC:$FRB))]>;
1065def FADDS : AForm_2<59, 21,
1066                    (outs F4RC:$FRT), (ins F4RC:$FRA, F4RC:$FRB),
1067                    "fadds $FRT, $FRA, $FRB", FPGeneral,
1068                    [(set F4RC:$FRT, (fadd F4RC:$FRA, F4RC:$FRB))]>;
1069def FDIV  : AForm_2<63, 18,
1070                    (outs F8RC:$FRT), (ins F8RC:$FRA, F8RC:$FRB),
1071                    "fdiv $FRT, $FRA, $FRB", FPDivD,
1072                    [(set F8RC:$FRT, (fdiv F8RC:$FRA, F8RC:$FRB))]>;
1073def FDIVS : AForm_2<59, 18,
1074                    (outs F4RC:$FRT), (ins F4RC:$FRA, F4RC:$FRB),
1075                    "fdivs $FRT, $FRA, $FRB", FPDivS,
1076                    [(set F4RC:$FRT, (fdiv F4RC:$FRA, F4RC:$FRB))]>;
1077def FMUL  : AForm_3<63, 25,
1078                    (outs F8RC:$FRT), (ins F8RC:$FRA, F8RC:$FRB),
1079                    "fmul $FRT, $FRA, $FRB", FPFused,
1080                    [(set F8RC:$FRT, (fmul F8RC:$FRA, F8RC:$FRB))]>;
1081def FMULS : AForm_3<59, 25,
1082                    (outs F4RC:$FRT), (ins F4RC:$FRA, F4RC:$FRB),
1083                    "fmuls $FRT, $FRA, $FRB", FPGeneral,
1084                    [(set F4RC:$FRT, (fmul F4RC:$FRA, F4RC:$FRB))]>;
1085def FSUB  : AForm_2<63, 20,
1086                    (outs F8RC:$FRT), (ins F8RC:$FRA, F8RC:$FRB),
1087                    "fsub $FRT, $FRA, $FRB", FPGeneral,
1088                    [(set F8RC:$FRT, (fsub F8RC:$FRA, F8RC:$FRB))]>;
1089def FSUBS : AForm_2<59, 20,
1090                    (outs F4RC:$FRT), (ins F4RC:$FRA, F4RC:$FRB),
1091                    "fsubs $FRT, $FRA, $FRB", FPGeneral,
1092                    [(set F4RC:$FRT, (fsub F4RC:$FRA, F4RC:$FRB))]>;
1093}
1094
1095let PPC970_Unit = 1 in {  // FXU Operations.
1096// M-Form instructions.  rotate and mask instructions.
1097//
1098let isCommutable = 1 in {
1099// RLWIMI can be commuted if the rotate amount is zero.
1100def RLWIMI : MForm_2<20,
1101                     (outs GPRC:$rA), (ins GPRC:$rSi, GPRC:$rS, u5imm:$SH, u5imm:$MB, 
1102                      u5imm:$ME), "rlwimi $rA, $rS, $SH, $MB, $ME", IntRotate,
1103                      []>, PPC970_DGroup_Cracked, RegConstraint<"$rSi = $rA">,
1104                      NoEncode<"$rSi">;
1105}
1106def RLWINM : MForm_2<21,
1107                     (outs GPRC:$rA), (ins GPRC:$rS, u5imm:$SH, u5imm:$MB, u5imm:$ME),
1108                     "rlwinm $rA, $rS, $SH, $MB, $ME", IntGeneral,
1109                     []>;
1110def RLWINMo : MForm_2<21,
1111                     (outs GPRC:$rA), (ins GPRC:$rS, u5imm:$SH, u5imm:$MB, u5imm:$ME),
1112                     "rlwinm. $rA, $rS, $SH, $MB, $ME", IntGeneral,
1113                     []>, isDOT, PPC970_DGroup_Cracked;
1114def RLWNM  : MForm_2<23,
1115                     (outs GPRC:$rA), (ins GPRC:$rS, GPRC:$rB, u5imm:$MB, u5imm:$ME),
1116                     "rlwnm $rA, $rS, $rB, $MB, $ME", IntGeneral,
1117                     []>;
1118}
1119
1120
1121//===----------------------------------------------------------------------===//
1122// DWARF Pseudo Instructions
1123//
1124
1125def DWARF_LOC        : Pseudo<(outs), (ins i32imm:$line, i32imm:$col, i32imm:$file),
1126                              "${:comment} .loc $file, $line, $col",
1127                      [(dwarf_loc (i32 imm:$line), (i32 imm:$col),
1128                                  (i32 imm:$file))]>;
1129
1130//===----------------------------------------------------------------------===//
1131// PowerPC Instruction Patterns
1132//
1133
1134// Arbitrary immediate support.  Implement in terms of LIS/ORI.
1135def : Pat<(i32 imm:$imm),
1136          (ORI (LIS (HI16 imm:$imm)), (LO16 imm:$imm))>;
1137
1138// Implement the 'not' operation with the NOR instruction.
1139def NOT : Pat<(not GPRC:$in),
1140              (NOR GPRC:$in, GPRC:$in)>;
1141
1142// ADD an arbitrary immediate.
1143def : Pat<(add GPRC:$in, imm:$imm),
1144          (ADDIS (ADDI GPRC:$in, (LO16 imm:$imm)), (HA16 imm:$imm))>;
1145// OR an arbitrary immediate.
1146def : Pat<(or GPRC:$in, imm:$imm),
1147          (ORIS (ORI GPRC:$in, (LO16 imm:$imm)), (HI16 imm:$imm))>;
1148// XOR an arbitrary immediate.
1149def : Pat<(xor GPRC:$in, imm:$imm),
1150          (XORIS (XORI GPRC:$in, (LO16 imm:$imm)), (HI16 imm:$imm))>;
1151// SUBFIC
1152def : Pat<(sub  immSExt16:$imm, GPRC:$in),
1153          (SUBFIC GPRC:$in, imm:$imm)>;
1154
1155// SHL/SRL
1156def : Pat<(shl GPRC:$in, (i32 imm:$imm)),
1157          (RLWINM GPRC:$in, imm:$imm, 0, (SHL32 imm:$imm))>;
1158def : Pat<(srl GPRC:$in, (i32 imm:$imm)),
1159          (RLWINM GPRC:$in, (SRL32 imm:$imm), imm:$imm, 31)>;
1160
1161// ROTL
1162def : Pat<(rotl GPRC:$in, GPRC:$sh),
1163          (RLWNM GPRC:$in, GPRC:$sh, 0, 31)>;
1164def : Pat<(rotl GPRC:$in, (i32 imm:$imm)),
1165          (RLWINM GPRC:$in, imm:$imm, 0, 31)>;
1166
1167// RLWNM
1168def : Pat<(and (rotl GPRC:$in, GPRC:$sh), maskimm32:$imm),
1169          (RLWNM GPRC:$in, GPRC:$sh, (MB maskimm32:$imm), (ME maskimm32:$imm))>;
1170
1171// Calls
1172def : Pat<(PPCcall_Macho (i32 tglobaladdr:$dst)),
1173          (BL_Macho tglobaladdr:$dst)>;
1174def : Pat<(PPCcall_Macho (i32 texternalsym:$dst)),
1175          (BL_Macho texternalsym:$dst)>;
1176def : Pat<(PPCcall_ELF (i32 tglobaladdr:$dst)),
1177          (BL_ELF tglobaladdr:$dst)>;
1178def : Pat<(PPCcall_ELF (i32 texternalsym:$dst)),
1179          (BL_ELF texternalsym:$dst)>;
1180
1181// Hi and Lo for Darwin Global Addresses.
1182def : Pat<(PPChi tglobaladdr:$in, 0), (LIS tglobaladdr:$in)>;
1183def : Pat<(PPClo tglobaladdr:$in, 0), (LI tglobaladdr:$in)>;
1184def : Pat<(PPChi tconstpool:$in, 0), (LIS tconstpool:$in)>;
1185def : Pat<(PPClo tconstpool:$in, 0), (LI tconstpool:$in)>;
1186def : Pat<(PPChi tjumptable:$in, 0), (LIS tjumptable:$in)>;
1187def : Pat<(PPClo tjumptable:$in, 0), (LI tjumptable:$in)>;
1188def : Pat<(add GPRC:$in, (PPChi tglobaladdr:$g, 0)),
1189          (ADDIS GPRC:$in, tglobaladdr:$g)>;
1190def : Pat<(add GPRC:$in, (PPChi tconstpool:$g, 0)),
1191          (ADDIS GPRC:$in, tconstpool:$g)>;
1192def : Pat<(add GPRC:$in, (PPChi tjumptable:$g, 0)),
1193          (ADDIS GPRC:$in, tjumptable:$g)>;
1194
1195// Fused negative multiply subtract, alternate pattern
1196def : Pat<(fsub F8RC:$B, (fmul F8RC:$A, F8RC:$C)),
1197          (FNMSUB F8RC:$A, F8RC:$C, F8RC:$B)>,
1198          Requires<[FPContractions]>;
1199def : Pat<(fsub F4RC:$B, (fmul F4RC:$A, F4RC:$C)),
1200          (FNMSUBS F4RC:$A, F4RC:$C, F4RC:$B)>,
1201          Requires<[FPContractions]>;
1202
1203// Standard shifts.  These are represented separately from the real shifts above
1204// so that we can distinguish between shifts that allow 5-bit and 6-bit shift
1205// amounts.
1206def : Pat<(sra GPRC:$rS, GPRC:$rB),
1207          (SRAW GPRC:$rS, GPRC:$rB)>;
1208def : Pat<(srl GPRC:$rS, GPRC:$rB),
1209          (SRW GPRC:$rS, GPRC:$rB)>;
1210def : Pat<(shl GPRC:$rS, GPRC:$rB),
1211          (SLW GPRC:$rS, GPRC:$rB)>;
1212
1213def : Pat<(zextloadi1 iaddr:$src),
1214          (LBZ iaddr:$src)>;
1215def : Pat<(zextloadi1 xaddr:$src),
1216          (LBZX xaddr:$src)>;
1217def : Pat<(extloadi1 iaddr:$src),
1218          (LBZ iaddr:$src)>;
1219def : Pat<(extloadi1 xaddr:$src),
1220          (LBZX xaddr:$src)>;
1221def : Pat<(extloadi8 iaddr:$src),
1222          (LBZ iaddr:$src)>;
1223def : Pat<(extloadi8 xaddr:$src),
1224          (LBZX xaddr:$src)>;
1225def : Pat<(extloadi16 iaddr:$src),
1226          (LHZ iaddr:$src)>;
1227def : Pat<(extloadi16 xaddr:$src),
1228          (LHZX xaddr:$src)>;
1229def : Pat<(extloadf32 iaddr:$src),
1230          (FMRSD (LFS iaddr:$src))>;
1231def : Pat<(extloadf32 xaddr:$src),
1232          (FMRSD (LFSX xaddr:$src))>;
1233
1234include "PPCInstrAltivec.td"
1235include "PPCInstr64Bit.td"
1236