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_PPCCallSeqStart : SDCallSeqStart<[ SDTCisVT<0, i32> ]>;
24def SDT_PPCCallSeqEnd   : SDCallSeqEnd<[ SDTCisVT<0, i32>,
25                                         SDTCisVT<1, i32> ]>;
26def SDT_PPCvperm   : SDTypeProfile<1, 3, [
27  SDTCisVT<3, v16i8>, SDTCisSameAs<0, 1>, SDTCisSameAs<0, 2>
28]>;
29
30def SDT_PPCvcmp : SDTypeProfile<1, 3, [
31  SDTCisSameAs<0, 1>, SDTCisSameAs<1, 2>, SDTCisVT<3, i32>
32]>;
33
34def SDT_PPCcondbr : SDTypeProfile<0, 3, [
35  SDTCisVT<0, i32>, SDTCisVT<2, OtherVT>
36]>;
37
38def SDT_PPClbrx : SDTypeProfile<1, 2, [
39  SDTCisVT<0, i32>, SDTCisPtrTy<1>, SDTCisVT<2, OtherVT>
40]>;
41def SDT_PPCstbrx : SDTypeProfile<0, 3, [
42  SDTCisVT<0, i32>, SDTCisPtrTy<1>, SDTCisVT<2, OtherVT>
43]>;
44
45def SDT_PPClarx : SDTypeProfile<1, 1, [
46  SDTCisInt<0>, SDTCisPtrTy<1>
47]>;
48def SDT_PPCstcx : SDTypeProfile<0, 2, [
49  SDTCisInt<0>, SDTCisPtrTy<1>
50]>;
51
52def SDT_PPCTC_ret : SDTypeProfile<0, 2, [
53  SDTCisPtrTy<0>, SDTCisVT<1, i32>
54]>;
55
56def SDT_PPCnop : SDTypeProfile<0, 0, []>;
57
58//===----------------------------------------------------------------------===//
59// PowerPC specific DAG Nodes.
60//
61
62def PPCfcfid  : SDNode<"PPCISD::FCFID" , SDTFPUnaryOp, []>;
63def PPCfctidz : SDNode<"PPCISD::FCTIDZ", SDTFPUnaryOp, []>;
64def PPCfctiwz : SDNode<"PPCISD::FCTIWZ", SDTFPUnaryOp, []>;
65def PPCstfiwx : SDNode<"PPCISD::STFIWX", SDT_PPCstfiwx,
66                       [SDNPHasChain, SDNPMayStore]>;
67
68// This sequence is used for long double->int conversions.  It changes the
69// bits in the FPSCR which is not modelled.  
70def PPCmffs   : SDNode<"PPCISD::MFFS", SDTypeProfile<1, 0, [SDTCisVT<0, f64>]>,
71                        [SDNPOutGlue]>;
72def PPCmtfsb0 : SDNode<"PPCISD::MTFSB0", SDTypeProfile<0, 1, [SDTCisInt<0>]>,
73                       [SDNPInGlue, SDNPOutGlue]>;
74def PPCmtfsb1 : SDNode<"PPCISD::MTFSB1", SDTypeProfile<0, 1, [SDTCisInt<0>]>,
75                       [SDNPInGlue, SDNPOutGlue]>;
76def PPCfaddrtz: SDNode<"PPCISD::FADDRTZ", SDTFPBinOp,
77                       [SDNPInGlue, SDNPOutGlue]>;
78def PPCmtfsf  : SDNode<"PPCISD::MTFSF", SDTypeProfile<1, 3, 
79                       [SDTCisVT<0, f64>, SDTCisInt<1>, SDTCisVT<2, f64>,
80                        SDTCisVT<3, f64>]>,
81                       [SDNPInGlue]>;
82
83def PPCfsel   : SDNode<"PPCISD::FSEL",  
84   // Type constraint for fsel.
85   SDTypeProfile<1, 3, [SDTCisSameAs<0, 2>, SDTCisSameAs<0, 3>, 
86                        SDTCisFP<0>, SDTCisVT<1, f64>]>, []>;
87
88def PPChi       : SDNode<"PPCISD::Hi", SDTIntBinOp, []>;
89def PPClo       : SDNode<"PPCISD::Lo", SDTIntBinOp, []>;
90def PPCtoc_entry: SDNode<"PPCISD::TOC_ENTRY", SDTIntBinOp, [SDNPMayLoad]>;
91def PPCvmaddfp  : SDNode<"PPCISD::VMADDFP", SDTFPTernaryOp, []>;
92def PPCvnmsubfp : SDNode<"PPCISD::VNMSUBFP", SDTFPTernaryOp, []>;
93
94def PPCvperm    : SDNode<"PPCISD::VPERM", SDT_PPCvperm, []>;
95
96// These nodes represent the 32-bit PPC shifts that operate on 6-bit shift
97// amounts.  These nodes are generated by the multi-precision shift code.
98def PPCsrl        : SDNode<"PPCISD::SRL"       , SDTIntShiftOp>;
99def PPCsra        : SDNode<"PPCISD::SRA"       , SDTIntShiftOp>;
100def PPCshl        : SDNode<"PPCISD::SHL"       , SDTIntShiftOp>;
101
102def PPCextsw_32   : SDNode<"PPCISD::EXTSW_32"  , SDTIntUnaryOp>;
103def PPCstd_32     : SDNode<"PPCISD::STD_32"    , SDTStore,
104                           [SDNPHasChain, SDNPMayStore]>;
105
106// These are target-independent nodes, but have target-specific formats.
107def callseq_start : SDNode<"ISD::CALLSEQ_START", SDT_PPCCallSeqStart,
108                           [SDNPHasChain, SDNPOutGlue]>;
109def callseq_end   : SDNode<"ISD::CALLSEQ_END",   SDT_PPCCallSeqEnd,
110                           [SDNPHasChain, SDNPOptInGlue, SDNPOutGlue]>;
111
112def SDT_PPCCall   : SDTypeProfile<0, -1, [SDTCisInt<0>]>;
113def PPCcall_Darwin : SDNode<"PPCISD::CALL_Darwin", SDT_PPCCall,
114                            [SDNPHasChain, SDNPOptInGlue, SDNPOutGlue,
115                             SDNPVariadic]>;
116def PPCcall_SVR4  : SDNode<"PPCISD::CALL_SVR4", SDT_PPCCall,
117                           [SDNPHasChain, SDNPOptInGlue, SDNPOutGlue,
118                            SDNPVariadic]>;
119def PPCcall_nop_SVR4  : SDNode<"PPCISD::CALL_NOP_SVR4", SDT_PPCCall,
120                               [SDNPHasChain, SDNPOptInGlue, SDNPOutGlue,
121                                SDNPVariadic]>;
122def PPCnop : SDNode<"PPCISD::NOP", SDT_PPCnop, [SDNPInGlue, SDNPOutGlue]>;
123def PPCload   : SDNode<"PPCISD::LOAD", SDTypeProfile<1, 1, []>,
124                       [SDNPHasChain, SDNPOptInGlue, SDNPOutGlue]>;
125def PPCload_toc : SDNode<"PPCISD::LOAD_TOC", SDTypeProfile<0, 1, []>,
126                          [SDNPHasChain, SDNPSideEffect,
127                           SDNPInGlue, SDNPOutGlue]>;
128def PPCtoc_restore : SDNode<"PPCISD::TOC_RESTORE", SDTypeProfile<0, 0, []>,
129                            [SDNPHasChain, SDNPSideEffect,
130                             SDNPInGlue, SDNPOutGlue]>;
131def PPCmtctr      : SDNode<"PPCISD::MTCTR", SDT_PPCCall,
132                           [SDNPHasChain, SDNPOptInGlue, SDNPOutGlue]>;
133def PPCbctrl_Darwin  : SDNode<"PPCISD::BCTRL_Darwin", SDTNone,
134                              [SDNPHasChain, SDNPOptInGlue, SDNPOutGlue,
135                               SDNPVariadic]>;
136
137def PPCbctrl_SVR4  : SDNode<"PPCISD::BCTRL_SVR4", SDTNone,
138                            [SDNPHasChain, SDNPOptInGlue, SDNPOutGlue,
139                             SDNPVariadic]>;
140
141def retflag       : SDNode<"PPCISD::RET_FLAG", SDTNone,
142                           [SDNPHasChain, SDNPOptInGlue, SDNPVariadic]>;
143
144def PPCtc_return : SDNode<"PPCISD::TC_RETURN", SDT_PPCTC_ret,
145                        [SDNPHasChain,  SDNPOptInGlue, SDNPVariadic]>;
146
147def PPCvcmp       : SDNode<"PPCISD::VCMP" , SDT_PPCvcmp, []>;
148def PPCvcmp_o     : SDNode<"PPCISD::VCMPo", SDT_PPCvcmp, [SDNPOutGlue]>;
149
150def PPCcondbranch : SDNode<"PPCISD::COND_BRANCH", SDT_PPCcondbr,
151                           [SDNPHasChain, SDNPOptInGlue]>;
152
153def PPClbrx       : SDNode<"PPCISD::LBRX", SDT_PPClbrx,
154                           [SDNPHasChain, SDNPMayLoad]>;
155def PPCstbrx      : SDNode<"PPCISD::STBRX", SDT_PPCstbrx,
156                           [SDNPHasChain, SDNPMayStore]>;
157
158// Instructions to set/unset CR bit 6 for SVR4 vararg calls
159def PPCcr6set   : SDNode<"PPCISD::CR6SET", SDTNone,
160                         [SDNPHasChain, SDNPOptInGlue, SDNPOutGlue]>;
161def PPCcr6unset : SDNode<"PPCISD::CR6UNSET", SDTNone,
162                         [SDNPHasChain, SDNPOptInGlue, SDNPOutGlue]>;
163
164// Instructions to support atomic operations
165def PPClarx      : SDNode<"PPCISD::LARX", SDT_PPClarx,
166                          [SDNPHasChain, SDNPMayLoad]>;
167def PPCstcx      : SDNode<"PPCISD::STCX", SDT_PPCstcx,
168                          [SDNPHasChain, SDNPMayStore]>;
169
170// Instructions to support dynamic alloca.
171def SDTDynOp  : SDTypeProfile<1, 2, []>;
172def PPCdynalloc   : SDNode<"PPCISD::DYNALLOC", SDTDynOp, [SDNPHasChain]>;
173
174//===----------------------------------------------------------------------===//
175// PowerPC specific transformation functions and pattern fragments.
176//
177
178def SHL32 : SDNodeXForm<imm, [{
179  // Transformation function: 31 - imm
180  return getI32Imm(31 - N->getZExtValue());
181}]>;
182
183def SRL32 : SDNodeXForm<imm, [{
184  // Transformation function: 32 - imm
185  return N->getZExtValue() ? getI32Imm(32 - N->getZExtValue()) : getI32Imm(0);
186}]>;
187
188def LO16 : SDNodeXForm<imm, [{
189  // Transformation function: get the low 16 bits.
190  return getI32Imm((unsigned short)N->getZExtValue());
191}]>;
192
193def HI16 : SDNodeXForm<imm, [{
194  // Transformation function: shift the immediate value down into the low bits.
195  return getI32Imm((unsigned)N->getZExtValue() >> 16);
196}]>;
197
198def HA16 : SDNodeXForm<imm, [{
199  // Transformation function: shift the immediate value down into the low bits.
200  signed int Val = N->getZExtValue();
201  return getI32Imm((Val - (signed short)Val) >> 16);
202}]>;
203def MB : SDNodeXForm<imm, [{
204  // Transformation function: get the start bit of a mask
205  unsigned mb = 0, me;
206  (void)isRunOfOnes((unsigned)N->getZExtValue(), mb, me);
207  return getI32Imm(mb);
208}]>;
209
210def ME : SDNodeXForm<imm, [{
211  // Transformation function: get the end bit of a mask
212  unsigned mb, me = 0;
213  (void)isRunOfOnes((unsigned)N->getZExtValue(), mb, me);
214  return getI32Imm(me);
215}]>;
216def maskimm32 : PatLeaf<(imm), [{
217  // maskImm predicate - True if immediate is a run of ones.
218  unsigned mb, me;
219  if (N->getValueType(0) == MVT::i32)
220    return isRunOfOnes((unsigned)N->getZExtValue(), mb, me);
221  else
222    return false;
223}]>;
224
225def immSExt16  : PatLeaf<(imm), [{
226  // immSExt16 predicate - True if the immediate fits in a 16-bit sign extended
227  // field.  Used by instructions like 'addi'.
228  if (N->getValueType(0) == MVT::i32)
229    return (int32_t)N->getZExtValue() == (short)N->getZExtValue();
230  else
231    return (int64_t)N->getZExtValue() == (short)N->getZExtValue();
232}]>;
233def immZExt16  : PatLeaf<(imm), [{
234  // immZExt16 predicate - True if the immediate fits in a 16-bit zero extended
235  // field.  Used by instructions like 'ori'.
236  return (uint64_t)N->getZExtValue() == (unsigned short)N->getZExtValue();
237}], LO16>;
238
239// imm16Shifted* - These match immediates where the low 16-bits are zero.  There
240// are two forms: imm16ShiftedSExt and imm16ShiftedZExt.  These two forms are
241// identical in 32-bit mode, but in 64-bit mode, they return true if the
242// immediate fits into a sign/zero extended 32-bit immediate (with the low bits
243// clear).
244def imm16ShiftedZExt : PatLeaf<(imm), [{
245  // imm16ShiftedZExt predicate - True if only bits in the top 16-bits of the
246  // immediate are set.  Used by instructions like 'xoris'.
247  return (N->getZExtValue() & ~uint64_t(0xFFFF0000)) == 0;
248}], HI16>;
249
250def imm16ShiftedSExt : PatLeaf<(imm), [{
251  // imm16ShiftedSExt predicate - True if only bits in the top 16-bits of the
252  // immediate are set.  Used by instructions like 'addis'.  Identical to 
253  // imm16ShiftedZExt in 32-bit mode.
254  if (N->getZExtValue() & 0xFFFF) return false;
255  if (N->getValueType(0) == MVT::i32)
256    return true;
257  // For 64-bit, make sure it is sext right.
258  return N->getZExtValue() == (uint64_t)(int)N->getZExtValue();
259}], HI16>;
260
261
262//===----------------------------------------------------------------------===//
263// PowerPC Flag Definitions.
264
265class isPPC64 { bit PPC64 = 1; }
266class isDOT   {
267  list<Register> Defs = [CR0];
268  bit RC  = 1;
269}
270
271class RegConstraint<string C> {
272  string Constraints = C;
273}
274class NoEncode<string E> {
275  string DisableEncoding = E;
276}
277
278
279//===----------------------------------------------------------------------===//
280// PowerPC Operand Definitions.
281
282def s5imm   : Operand<i32> {
283  let PrintMethod = "printS5ImmOperand";
284}
285def u5imm   : Operand<i32> {
286  let PrintMethod = "printU5ImmOperand";
287}
288def u6imm   : Operand<i32> {
289  let PrintMethod = "printU6ImmOperand";
290}
291def s16imm  : Operand<i32> {
292  let PrintMethod = "printS16ImmOperand";
293}
294def u16imm  : Operand<i32> {
295  let PrintMethod = "printU16ImmOperand";
296}
297def s16immX4  : Operand<i32> {   // Multiply imm by 4 before printing.
298  let PrintMethod = "printS16X4ImmOperand";
299}
300def directbrtarget : Operand<OtherVT> {
301  let PrintMethod = "printBranchOperand";
302  let EncoderMethod = "getDirectBrEncoding";
303}
304def condbrtarget : Operand<OtherVT> {
305  let PrintMethod = "printBranchOperand";
306  let EncoderMethod = "getCondBrEncoding";
307}
308def calltarget : Operand<iPTR> {
309  let EncoderMethod = "getDirectBrEncoding";
310}
311def aaddr : Operand<iPTR> {
312  let PrintMethod = "printAbsAddrOperand";
313}
314def symbolHi: Operand<i32> {
315  let PrintMethod = "printSymbolHi";
316  let EncoderMethod = "getHA16Encoding";
317}
318def symbolLo: Operand<i32> {
319  let PrintMethod = "printSymbolLo";
320  let EncoderMethod = "getLO16Encoding";
321}
322def crbitm: Operand<i8> {
323  let PrintMethod = "printcrbitm";
324  let EncoderMethod = "get_crbitm_encoding";
325}
326// Address operands
327def memri : Operand<iPTR> {
328  let PrintMethod = "printMemRegImm";
329  let MIOperandInfo = (ops i32imm:$imm, ptr_rc:$reg);
330  let EncoderMethod = "getMemRIEncoding";
331}
332def memrr : Operand<iPTR> {
333  let PrintMethod = "printMemRegReg";
334  let MIOperandInfo = (ops ptr_rc:$offreg, ptr_rc:$ptrreg);
335}
336def memrix : Operand<iPTR> {   // memri where the imm is shifted 2 bits.
337  let PrintMethod = "printMemRegImmShifted";
338  let MIOperandInfo = (ops i32imm:$imm, ptr_rc:$reg);
339  let EncoderMethod = "getMemRIXEncoding";
340}
341
342// PowerPC Predicate operand.  20 = (0<<5)|20 = always, CR0 is a dummy reg
343// that doesn't matter.
344def pred : PredicateOperand<OtherVT, (ops imm, CRRC),
345                                     (ops (i32 20), (i32 zero_reg))> {
346  let PrintMethod = "printPredicateOperand";
347}
348
349// Define PowerPC specific addressing mode.
350def iaddr  : ComplexPattern<iPTR, 2, "SelectAddrImm",    [], []>;
351def xaddr  : ComplexPattern<iPTR, 2, "SelectAddrIdx",    [], []>;
352def xoaddr : ComplexPattern<iPTR, 2, "SelectAddrIdxOnly",[], []>;
353def ixaddr : ComplexPattern<iPTR, 2, "SelectAddrImmShift", [], []>; // "std"
354
355/// This is just the offset part of iaddr, used for preinc.
356def iaddroff : ComplexPattern<iPTR, 1, "SelectAddrImmOffs", [], []>;
357def xaddroff : ComplexPattern<iPTR, 1, "SelectAddrIdxOffs", [], []>;
358
359//===----------------------------------------------------------------------===//
360// PowerPC Instruction Predicate Definitions.
361def In32BitMode  : Predicate<"!PPCSubTarget.isPPC64()">;
362def In64BitMode  : Predicate<"PPCSubTarget.isPPC64()">;
363def IsBookE  : Predicate<"PPCSubTarget.isBookE()">;
364
365//===----------------------------------------------------------------------===//
366// PowerPC Instruction Definitions.
367
368// Pseudo-instructions:
369
370let hasCtrlDep = 1 in {
371let Defs = [R1], Uses = [R1] in {
372def ADJCALLSTACKDOWN : Pseudo<(outs), (ins u16imm:$amt), "",
373                              [(callseq_start timm:$amt)]>;
374def ADJCALLSTACKUP   : Pseudo<(outs), (ins u16imm:$amt1, u16imm:$amt2), "",
375                              [(callseq_end timm:$amt1, timm:$amt2)]>;
376}
377
378def UPDATE_VRSAVE    : Pseudo<(outs GPRC:$rD), (ins GPRC:$rS),
379                              "UPDATE_VRSAVE $rD, $rS", []>;
380}
381
382let Defs = [R1], Uses = [R1] in
383def DYNALLOC : Pseudo<(outs GPRC:$result), (ins GPRC:$negsize, memri:$fpsi), "",
384                       [(set GPRC:$result,
385                             (PPCdynalloc GPRC:$negsize, iaddr:$fpsi))]>;
386                         
387// SELECT_CC_* - Used to implement the SELECT_CC DAG operation.  Expanded after
388// instruction selection into a branch sequence.
389let usesCustomInserter = 1,    // Expanded after instruction selection.
390    PPC970_Single = 1 in {
391  def SELECT_CC_I4 : Pseudo<(outs GPRC:$dst), (ins CRRC:$cond, GPRC:$T, GPRC:$F,
392                              i32imm:$BROPC), "",
393                              []>;
394  def SELECT_CC_I8 : Pseudo<(outs G8RC:$dst), (ins CRRC:$cond, G8RC:$T, G8RC:$F,
395                              i32imm:$BROPC), "",
396                              []>;
397  def SELECT_CC_F4  : Pseudo<(outs F4RC:$dst), (ins CRRC:$cond, F4RC:$T, F4RC:$F,
398                              i32imm:$BROPC), "",
399                              []>;
400  def SELECT_CC_F8  : Pseudo<(outs F8RC:$dst), (ins CRRC:$cond, F8RC:$T, F8RC:$F,
401                              i32imm:$BROPC), "",
402                              []>;
403  def SELECT_CC_VRRC: Pseudo<(outs VRRC:$dst), (ins CRRC:$cond, VRRC:$T, VRRC:$F,
404                              i32imm:$BROPC), "",
405                              []>;
406}
407
408// SPILL_CR - Indicate that we're dumping the CR register, so we'll need to
409// scavenge a register for it.
410let mayStore = 1 in
411def SPILL_CR : Pseudo<(outs), (ins CRRC:$cond, memri:$F),
412                     "", []>;
413
414// RESTORE_CR - Indicate that we're restoring the CR register (previously
415// spilled), so we'll need to scavenge a register for it.
416let mayLoad = 1 in
417def RESTORE_CR : Pseudo<(outs CRRC:$cond), (ins memri:$F),
418                     "", []>;
419
420let isTerminator = 1, isBarrier = 1, PPC970_Unit = 7 in {
421  let isReturn = 1, Uses = [LR, RM] in
422    def BLR : XLForm_2_br<19, 16, 0, (outs), (ins pred:$p),
423                          "b${p:cc}lr ${p:reg}", BrB, 
424                          [(retflag)]>;
425  let isBranch = 1, isIndirectBranch = 1, Uses = [CTR] in
426    def BCTR : XLForm_2_ext<19, 528, 20, 0, 0, (outs), (ins), "bctr", BrB, []>;
427}
428
429let Defs = [LR] in
430  def MovePCtoLR : Pseudo<(outs), (ins), "", []>,
431                   PPC970_Unit_BRU;
432
433let isBranch = 1, isTerminator = 1, hasCtrlDep = 1, PPC970_Unit = 7 in {
434  let isBarrier = 1 in {
435  def B   : IForm<18, 0, 0, (outs), (ins directbrtarget:$dst),
436                  "b $dst", BrB,
437                  [(br bb:$dst)]>;
438  }
439
440  // BCC represents an arbitrary conditional branch on a predicate.
441  // FIXME: should be able to write a pattern for PPCcondbranch, but can't use
442  // a two-value operand where a dag node expects two operands. :( 
443  def BCC : BForm<16, 0, 0, (outs), (ins pred:$cond, condbrtarget:$dst),
444                  "b${cond:cc} ${cond:reg}, $dst"
445                  /*[(PPCcondbranch CRRC:$crS, imm:$opc, bb:$dst)]*/>;
446
447  let Defs = [CTR], Uses = [CTR] in {
448    def BDZ  : IForm_ext<16, 18, 0, 0, (outs), (ins condbrtarget:$dst),
449                         "bdz $dst",  BrB, []>;
450    def BDNZ : IForm_ext<16, 16, 0, 0, (outs), (ins condbrtarget:$dst),
451                         "bdnz $dst", BrB, []>;
452  }
453}
454
455// Darwin ABI Calls.
456let isCall = 1, PPC970_Unit = 7, Defs = [LR] in {
457  // Convenient aliases for call instructions
458  let Uses = [RM] in {
459    def BL_Darwin  : IForm<18, 0, 1,
460                           (outs), (ins calltarget:$func), 
461                           "bl $func", BrB, []>;  // See Pat patterns below.
462    def BLA_Darwin : IForm<18, 1, 1, 
463                          (outs), (ins aaddr:$func),
464                          "bla $func", BrB, [(PPCcall_Darwin (i32 imm:$func))]>;
465  }
466  let Uses = [CTR, RM] in {
467    def BCTRL_Darwin : XLForm_2_ext<19, 528, 20, 0, 1, 
468                                  (outs), (ins),
469                                  "bctrl", BrB,
470                                  [(PPCbctrl_Darwin)]>, Requires<[In32BitMode]>;
471  }
472}
473
474// SVR4 ABI Calls.
475let isCall = 1, PPC970_Unit = 7, Defs = [LR] in {
476  // Convenient aliases for call instructions
477  let Uses = [RM] in {
478    def BL_SVR4  : IForm<18, 0, 1,
479                        (outs), (ins calltarget:$func), 
480                        "bl $func", BrB, []>;  // See Pat patterns below.
481    def BLA_SVR4 : IForm<18, 1, 1,
482                        (outs), (ins aaddr:$func),
483                        "bla $func", BrB,
484                        [(PPCcall_SVR4 (i32 imm:$func))]>;
485  }
486  let Uses = [CTR, RM] in {
487    def BCTRL_SVR4 : XLForm_2_ext<19, 528, 20, 0, 1,
488                                (outs), (ins),
489                                "bctrl", BrB,
490                                [(PPCbctrl_SVR4)]>, Requires<[In32BitMode]>;
491  }
492}
493
494
495let isCall = 1, isTerminator = 1, isReturn = 1, isBarrier = 1, Uses = [RM] in
496def TCRETURNdi :Pseudo< (outs),
497                        (ins calltarget:$dst, i32imm:$offset),
498                 "#TC_RETURNd $dst $offset",
499                 []>;
500
501
502let isCall = 1, isTerminator = 1, isReturn = 1, isBarrier = 1, Uses = [RM] in
503def TCRETURNai :Pseudo<(outs), (ins aaddr:$func, i32imm:$offset),
504                 "#TC_RETURNa $func $offset",
505                 [(PPCtc_return (i32 imm:$func), imm:$offset)]>;
506
507let isCall = 1, isTerminator = 1, isReturn = 1, isBarrier = 1, Uses = [RM] in
508def TCRETURNri : Pseudo<(outs), (ins CTRRC:$dst, i32imm:$offset),
509                 "#TC_RETURNr $dst $offset",
510                 []>;
511
512
513let isTerminator = 1, isBarrier = 1, PPC970_Unit = 7, isBranch = 1,
514    isIndirectBranch = 1, isCall = 1, isReturn = 1, Uses = [CTR, RM]  in
515def TAILBCTR : XLForm_2_ext<19, 528, 20, 0, 0, (outs), (ins), "bctr", BrB, []>,
516     Requires<[In32BitMode]>;
517
518
519
520let isBranch = 1, isTerminator = 1, hasCtrlDep = 1, PPC970_Unit = 7,
521    isBarrier = 1, isCall = 1, isReturn = 1, Uses = [RM] in
522def TAILB   : IForm<18, 0, 0, (outs), (ins calltarget:$dst),
523                  "b $dst", BrB,
524                  []>;
525
526
527let isBranch = 1, isTerminator = 1, hasCtrlDep = 1, PPC970_Unit = 7,
528    isBarrier = 1, isCall = 1, isReturn = 1, Uses = [RM] in
529def TAILBA   : IForm<18, 0, 0, (outs), (ins aaddr:$dst),
530                  "ba $dst", BrB,
531                  []>;
532
533
534// DCB* instructions.
535def DCBA   : DCB_Form<758, 0, (outs), (ins memrr:$dst),
536                      "dcba $dst", LdStDCBF, [(int_ppc_dcba xoaddr:$dst)]>,
537                      PPC970_DGroup_Single;
538def DCBF   : DCB_Form<86, 0, (outs), (ins memrr:$dst),
539                      "dcbf $dst", LdStDCBF, [(int_ppc_dcbf xoaddr:$dst)]>,
540                      PPC970_DGroup_Single;
541def DCBI   : DCB_Form<470, 0, (outs), (ins memrr:$dst),
542                      "dcbi $dst", LdStDCBF, [(int_ppc_dcbi xoaddr:$dst)]>,
543                      PPC970_DGroup_Single;
544def DCBST  : DCB_Form<54, 0, (outs), (ins memrr:$dst),
545                      "dcbst $dst", LdStDCBF, [(int_ppc_dcbst xoaddr:$dst)]>,
546                      PPC970_DGroup_Single;
547def DCBT   : DCB_Form<278, 0, (outs), (ins memrr:$dst),
548                      "dcbt $dst", LdStDCBF, [(int_ppc_dcbt xoaddr:$dst)]>,
549                      PPC970_DGroup_Single;
550def DCBTST : DCB_Form<246, 0, (outs), (ins memrr:$dst),
551                      "dcbtst $dst", LdStDCBF, [(int_ppc_dcbtst xoaddr:$dst)]>,
552                      PPC970_DGroup_Single;
553def DCBZ   : DCB_Form<1014, 0, (outs), (ins memrr:$dst),
554                      "dcbz $dst", LdStDCBF, [(int_ppc_dcbz xoaddr:$dst)]>,
555                      PPC970_DGroup_Single;
556def DCBZL  : DCB_Form<1014, 1, (outs), (ins memrr:$dst),
557                      "dcbzl $dst", LdStDCBF, [(int_ppc_dcbzl xoaddr:$dst)]>,
558                      PPC970_DGroup_Single;
559
560def : Pat<(prefetch xoaddr:$dst, (i32 0), imm, (i32 1)),
561          (DCBT xoaddr:$dst)>;
562
563// Atomic operations
564let usesCustomInserter = 1 in {
565  let Defs = [CR0] in {
566    def ATOMIC_LOAD_ADD_I8 : Pseudo<
567      (outs GPRC:$dst), (ins memrr:$ptr, GPRC:$incr), "",
568      [(set GPRC:$dst, (atomic_load_add_8 xoaddr:$ptr, GPRC:$incr))]>;
569    def ATOMIC_LOAD_SUB_I8 : Pseudo<
570      (outs GPRC:$dst), (ins memrr:$ptr, GPRC:$incr), "",
571      [(set GPRC:$dst, (atomic_load_sub_8 xoaddr:$ptr, GPRC:$incr))]>;
572    def ATOMIC_LOAD_AND_I8 : Pseudo<
573      (outs GPRC:$dst), (ins memrr:$ptr, GPRC:$incr), "",
574      [(set GPRC:$dst, (atomic_load_and_8 xoaddr:$ptr, GPRC:$incr))]>;
575    def ATOMIC_LOAD_OR_I8 : Pseudo<
576      (outs GPRC:$dst), (ins memrr:$ptr, GPRC:$incr), "",
577      [(set GPRC:$dst, (atomic_load_or_8 xoaddr:$ptr, GPRC:$incr))]>;
578    def ATOMIC_LOAD_XOR_I8 : Pseudo<
579      (outs GPRC:$dst), (ins memrr:$ptr, GPRC:$incr), "",
580      [(set GPRC:$dst, (atomic_load_xor_8 xoaddr:$ptr, GPRC:$incr))]>;
581    def ATOMIC_LOAD_NAND_I8 : Pseudo<
582      (outs GPRC:$dst), (ins memrr:$ptr, GPRC:$incr), "",
583      [(set GPRC:$dst, (atomic_load_nand_8 xoaddr:$ptr, GPRC:$incr))]>;
584    def ATOMIC_LOAD_ADD_I16 : Pseudo<
585      (outs GPRC:$dst), (ins memrr:$ptr, GPRC:$incr), "",
586      [(set GPRC:$dst, (atomic_load_add_16 xoaddr:$ptr, GPRC:$incr))]>;
587    def ATOMIC_LOAD_SUB_I16 : Pseudo<
588      (outs GPRC:$dst), (ins memrr:$ptr, GPRC:$incr), "",
589      [(set GPRC:$dst, (atomic_load_sub_16 xoaddr:$ptr, GPRC:$incr))]>;
590    def ATOMIC_LOAD_AND_I16 : Pseudo<
591      (outs GPRC:$dst), (ins memrr:$ptr, GPRC:$incr), "",
592      [(set GPRC:$dst, (atomic_load_and_16 xoaddr:$ptr, GPRC:$incr))]>;
593    def ATOMIC_LOAD_OR_I16 : Pseudo<
594      (outs GPRC:$dst), (ins memrr:$ptr, GPRC:$incr), "",
595      [(set GPRC:$dst, (atomic_load_or_16 xoaddr:$ptr, GPRC:$incr))]>;
596    def ATOMIC_LOAD_XOR_I16 : Pseudo<
597      (outs GPRC:$dst), (ins memrr:$ptr, GPRC:$incr), "",
598      [(set GPRC:$dst, (atomic_load_xor_16 xoaddr:$ptr, GPRC:$incr))]>;
599    def ATOMIC_LOAD_NAND_I16 : Pseudo<
600      (outs GPRC:$dst), (ins memrr:$ptr, GPRC:$incr), "",
601      [(set GPRC:$dst, (atomic_load_nand_16 xoaddr:$ptr, GPRC:$incr))]>;
602    def ATOMIC_LOAD_ADD_I32 : Pseudo<
603      (outs GPRC:$dst), (ins memrr:$ptr, GPRC:$incr), "",
604      [(set GPRC:$dst, (atomic_load_add_32 xoaddr:$ptr, GPRC:$incr))]>;
605    def ATOMIC_LOAD_SUB_I32 : Pseudo<
606      (outs GPRC:$dst), (ins memrr:$ptr, GPRC:$incr), "",
607      [(set GPRC:$dst, (atomic_load_sub_32 xoaddr:$ptr, GPRC:$incr))]>;
608    def ATOMIC_LOAD_AND_I32 : Pseudo<
609      (outs GPRC:$dst), (ins memrr:$ptr, GPRC:$incr), "",
610      [(set GPRC:$dst, (atomic_load_and_32 xoaddr:$ptr, GPRC:$incr))]>;
611    def ATOMIC_LOAD_OR_I32 : Pseudo<
612      (outs GPRC:$dst), (ins memrr:$ptr, GPRC:$incr), "",
613      [(set GPRC:$dst, (atomic_load_or_32 xoaddr:$ptr, GPRC:$incr))]>;
614    def ATOMIC_LOAD_XOR_I32 : Pseudo<
615      (outs GPRC:$dst), (ins memrr:$ptr, GPRC:$incr), "",
616      [(set GPRC:$dst, (atomic_load_xor_32 xoaddr:$ptr, GPRC:$incr))]>;
617    def ATOMIC_LOAD_NAND_I32 : Pseudo<
618      (outs GPRC:$dst), (ins memrr:$ptr, GPRC:$incr), "",
619      [(set GPRC:$dst, (atomic_load_nand_32 xoaddr:$ptr, GPRC:$incr))]>;
620
621    def ATOMIC_CMP_SWAP_I8 : Pseudo<
622      (outs GPRC:$dst), (ins memrr:$ptr, GPRC:$old, GPRC:$new), "",
623      [(set GPRC:$dst, 
624                    (atomic_cmp_swap_8 xoaddr:$ptr, GPRC:$old, GPRC:$new))]>;
625    def ATOMIC_CMP_SWAP_I16 : Pseudo<
626      (outs GPRC:$dst), (ins memrr:$ptr, GPRC:$old, GPRC:$new), "",
627      [(set GPRC:$dst, 
628                    (atomic_cmp_swap_16 xoaddr:$ptr, GPRC:$old, GPRC:$new))]>;
629    def ATOMIC_CMP_SWAP_I32 : Pseudo<
630      (outs GPRC:$dst), (ins memrr:$ptr, GPRC:$old, GPRC:$new), "",
631      [(set GPRC:$dst, 
632                    (atomic_cmp_swap_32 xoaddr:$ptr, GPRC:$old, GPRC:$new))]>;
633
634    def ATOMIC_SWAP_I8 : Pseudo<
635      (outs GPRC:$dst), (ins memrr:$ptr, GPRC:$new), "",
636      [(set GPRC:$dst, (atomic_swap_8 xoaddr:$ptr, GPRC:$new))]>;
637    def ATOMIC_SWAP_I16 : Pseudo<
638      (outs GPRC:$dst), (ins memrr:$ptr, GPRC:$new), "",
639      [(set GPRC:$dst, (atomic_swap_16 xoaddr:$ptr, GPRC:$new))]>;
640    def ATOMIC_SWAP_I32 : Pseudo<
641      (outs GPRC:$dst), (ins memrr:$ptr, GPRC:$new), "",
642      [(set GPRC:$dst, (atomic_swap_32 xoaddr:$ptr, GPRC:$new))]>;
643  }
644}
645
646// Instructions to support atomic operations
647def LWARX : XForm_1<31,  20, (outs GPRC:$rD), (ins memrr:$src),
648                   "lwarx $rD, $src", LdStLWARX,
649                   [(set GPRC:$rD, (PPClarx xoaddr:$src))]>;
650
651let Defs = [CR0] in
652def STWCX : XForm_1<31, 150, (outs), (ins GPRC:$rS, memrr:$dst),
653                   "stwcx. $rS, $dst", LdStSTWCX,
654                   [(PPCstcx GPRC:$rS, xoaddr:$dst)]>,
655                   isDOT;
656
657let isTerminator = 1, isBarrier = 1, hasCtrlDep = 1 in
658def TRAP  : XForm_24<31, 4, (outs), (ins), "trap", LdStLoad, [(trap)]>;
659
660//===----------------------------------------------------------------------===//
661// PPC32 Load Instructions.
662//
663
664// Unindexed (r+i) Loads. 
665let canFoldAsLoad = 1, PPC970_Unit = 2 in {
666def LBZ : DForm_1<34, (outs GPRC:$rD), (ins memri:$src),
667                  "lbz $rD, $src", LdStLoad,
668                  [(set GPRC:$rD, (zextloadi8 iaddr:$src))]>;
669def LHA : DForm_1<42, (outs GPRC:$rD), (ins memri:$src),
670                  "lha $rD, $src", LdStLHA,
671                  [(set GPRC:$rD, (sextloadi16 iaddr:$src))]>,
672                  PPC970_DGroup_Cracked;
673def LHZ : DForm_1<40, (outs GPRC:$rD), (ins memri:$src),
674                  "lhz $rD, $src", LdStLoad,
675                  [(set GPRC:$rD, (zextloadi16 iaddr:$src))]>;
676def LWZ : DForm_1<32, (outs GPRC:$rD), (ins memri:$src),
677                  "lwz $rD, $src", LdStLoad,
678                  [(set GPRC:$rD, (load iaddr:$src))]>;
679
680def LFS : DForm_1<48, (outs F4RC:$rD), (ins memri:$src),
681                  "lfs $rD, $src", LdStLFD,
682                  [(set F4RC:$rD, (load iaddr:$src))]>;
683def LFD : DForm_1<50, (outs F8RC:$rD), (ins memri:$src),
684                  "lfd $rD, $src", LdStLFD,
685                  [(set F8RC:$rD, (load iaddr:$src))]>;
686
687
688// Unindexed (r+i) Loads with Update (preinc).
689let mayLoad = 1 in {
690def LBZU : DForm_1<35, (outs GPRC:$rD, ptr_rc:$ea_result), (ins memri:$addr),
691                   "lbzu $rD, $addr", LdStLoadUpd,
692                   []>, RegConstraint<"$addr.reg = $ea_result">,
693                   NoEncode<"$ea_result">;
694
695def LHAU : DForm_1<43, (outs GPRC:$rD, ptr_rc:$ea_result), (ins memri:$addr),
696                   "lhau $rD, $addr", LdStLHAU,
697                   []>, RegConstraint<"$addr.reg = $ea_result">,
698                   NoEncode<"$ea_result">;
699
700def LHZU : DForm_1<41, (outs GPRC:$rD, ptr_rc:$ea_result), (ins memri:$addr),
701                   "lhzu $rD, $addr", LdStLoadUpd,
702                   []>, RegConstraint<"$addr.reg = $ea_result">,
703                   NoEncode<"$ea_result">;
704
705def LWZU : DForm_1<33, (outs GPRC:$rD, ptr_rc:$ea_result), (ins memri:$addr),
706                   "lwzu $rD, $addr", LdStLoadUpd,
707                   []>, RegConstraint<"$addr.reg = $ea_result">,
708                   NoEncode<"$ea_result">;
709
710def LFSU : DForm_1<49, (outs F4RC:$rD, ptr_rc:$ea_result), (ins memri:$addr),
711                  "lfsu $rD, $addr", LdStLFDU,
712                  []>, RegConstraint<"$addr.reg = $ea_result">,
713                   NoEncode<"$ea_result">;
714
715def LFDU : DForm_1<51, (outs F8RC:$rD, ptr_rc:$ea_result), (ins memri:$addr),
716                  "lfdu $rD, $addr", LdStLFDU,
717                  []>, RegConstraint<"$addr.reg = $ea_result">,
718                   NoEncode<"$ea_result">;
719
720
721// Indexed (r+r) Loads with Update (preinc).
722def LBZUX : XForm_1<31, 119, (outs GPRC:$rD, ptr_rc:$ea_result),
723                   (ins memrr:$addr),
724                   "lbzux $rD, $addr", LdStLoadUpd,
725                   []>, RegConstraint<"$addr.offreg = $ea_result">,
726                   NoEncode<"$ea_result">;
727
728def LHAUX : XForm_1<31, 375, (outs GPRC:$rD, ptr_rc:$ea_result),
729                   (ins memrr:$addr),
730                   "lhaux $rD, $addr", LdStLHAU,
731                   []>, RegConstraint<"$addr.offreg = $ea_result">,
732                   NoEncode<"$ea_result">;
733
734def LHZUX : XForm_1<31, 331, (outs GPRC:$rD, ptr_rc:$ea_result),
735                   (ins memrr:$addr),
736                   "lhzux $rD, $addr", LdStLoadUpd,
737                   []>, RegConstraint<"$addr.offreg = $ea_result">,
738                   NoEncode<"$ea_result">;
739
740def LWZUX : XForm_1<31, 55, (outs GPRC:$rD, ptr_rc:$ea_result),
741                   (ins memrr:$addr),
742                   "lwzux $rD, $addr", LdStLoadUpd,
743                   []>, RegConstraint<"$addr.offreg = $ea_result">,
744                   NoEncode<"$ea_result">;
745
746def LFSUX : XForm_1<31, 567, (outs F4RC:$rD, ptr_rc:$ea_result),
747                   (ins memrr:$addr),
748                   "lfsux $rD, $addr", LdStLFDU,
749                   []>, RegConstraint<"$addr.offreg = $ea_result">,
750                   NoEncode<"$ea_result">;
751
752def LFDUX : XForm_1<31, 631, (outs F8RC:$rD, ptr_rc:$ea_result),
753                   (ins memrr:$addr),
754                   "lfdux $rD, $addr", LdStLFDU,
755                   []>, RegConstraint<"$addr.offreg = $ea_result">,
756                   NoEncode<"$ea_result">;
757}
758}
759
760// Indexed (r+r) Loads.
761//
762let canFoldAsLoad = 1, PPC970_Unit = 2 in {
763def LBZX : XForm_1<31,  87, (outs GPRC:$rD), (ins memrr:$src),
764                   "lbzx $rD, $src", LdStLoad,
765                   [(set GPRC:$rD, (zextloadi8 xaddr:$src))]>;
766def LHAX : XForm_1<31, 343, (outs GPRC:$rD), (ins memrr:$src),
767                   "lhax $rD, $src", LdStLHA,
768                   [(set GPRC:$rD, (sextloadi16 xaddr:$src))]>,
769                   PPC970_DGroup_Cracked;
770def LHZX : XForm_1<31, 279, (outs GPRC:$rD), (ins memrr:$src),
771                   "lhzx $rD, $src", LdStLoad,
772                   [(set GPRC:$rD, (zextloadi16 xaddr:$src))]>;
773def LWZX : XForm_1<31,  23, (outs GPRC:$rD), (ins memrr:$src),
774                   "lwzx $rD, $src", LdStLoad,
775                   [(set GPRC:$rD, (load xaddr:$src))]>;
776                   
777                   
778def LHBRX : XForm_1<31, 790, (outs GPRC:$rD), (ins memrr:$src),
779                   "lhbrx $rD, $src", LdStLoad,
780                   [(set GPRC:$rD, (PPClbrx xoaddr:$src, i16))]>;
781def LWBRX : XForm_1<31,  534, (outs GPRC:$rD), (ins memrr:$src),
782                   "lwbrx $rD, $src", LdStLoad,
783                   [(set GPRC:$rD, (PPClbrx xoaddr:$src, i32))]>;
784
785def LFSX   : XForm_25<31, 535, (outs F4RC:$frD), (ins memrr:$src),
786                      "lfsx $frD, $src", LdStLFD,
787                      [(set F4RC:$frD, (load xaddr:$src))]>;
788def LFDX   : XForm_25<31, 599, (outs F8RC:$frD), (ins memrr:$src),
789                      "lfdx $frD, $src", LdStLFD,
790                      [(set F8RC:$frD, (load xaddr:$src))]>;
791}
792
793//===----------------------------------------------------------------------===//
794// PPC32 Store Instructions.
795//
796
797// Unindexed (r+i) Stores.
798let PPC970_Unit = 2 in {
799def STB  : DForm_1<38, (outs), (ins GPRC:$rS, memri:$src),
800                   "stb $rS, $src", LdStStore,
801                   [(truncstorei8 GPRC:$rS, iaddr:$src)]>;
802def STH  : DForm_1<44, (outs), (ins GPRC:$rS, memri:$src),
803                   "sth $rS, $src", LdStStore,
804                   [(truncstorei16 GPRC:$rS, iaddr:$src)]>;
805def STW  : DForm_1<36, (outs), (ins GPRC:$rS, memri:$src),
806                   "stw $rS, $src", LdStStore,
807                   [(store GPRC:$rS, iaddr:$src)]>;
808def STFS : DForm_1<52, (outs), (ins F4RC:$rS, memri:$dst),
809                   "stfs $rS, $dst", LdStSTFD,
810                   [(store F4RC:$rS, iaddr:$dst)]>;
811def STFD : DForm_1<54, (outs), (ins F8RC:$rS, memri:$dst),
812                   "stfd $rS, $dst", LdStSTFD,
813                   [(store F8RC:$rS, iaddr:$dst)]>;
814}
815
816// Unindexed (r+i) Stores with Update (preinc).
817let PPC970_Unit = 2 in {
818def STBU  : DForm_1a<39, (outs ptr_rc:$ea_res), (ins GPRC:$rS,
819                             symbolLo:$ptroff, ptr_rc:$ptrreg),
820                    "stbu $rS, $ptroff($ptrreg)", LdStStoreUpd,
821                    [(set ptr_rc:$ea_res,
822                          (pre_truncsti8 GPRC:$rS, ptr_rc:$ptrreg, 
823                                         iaddroff:$ptroff))]>,
824                    RegConstraint<"$ptrreg = $ea_res">, NoEncode<"$ea_res">;
825def STHU  : DForm_1a<45, (outs ptr_rc:$ea_res), (ins GPRC:$rS,
826                             symbolLo:$ptroff, ptr_rc:$ptrreg),
827                    "sthu $rS, $ptroff($ptrreg)", LdStStoreUpd,
828                    [(set ptr_rc:$ea_res,
829                        (pre_truncsti16 GPRC:$rS, ptr_rc:$ptrreg, 
830                                        iaddroff:$ptroff))]>,
831                    RegConstraint<"$ptrreg = $ea_res">, NoEncode<"$ea_res">;
832def STWU  : DForm_1a<37, (outs ptr_rc:$ea_res), (ins GPRC:$rS,
833                             symbolLo:$ptroff, ptr_rc:$ptrreg),
834                    "stwu $rS, $ptroff($ptrreg)", LdStStoreUpd,
835                    [(set ptr_rc:$ea_res, (pre_store GPRC:$rS, ptr_rc:$ptrreg, 
836                                                     iaddroff:$ptroff))]>,
837                    RegConstraint<"$ptrreg = $ea_res">, NoEncode<"$ea_res">;
838def STFSU : DForm_1a<37, (outs ptr_rc:$ea_res), (ins F4RC:$rS,
839                             symbolLo:$ptroff, ptr_rc:$ptrreg),
840                    "stfsu $rS, $ptroff($ptrreg)", LdStSTFDU,
841                    [(set ptr_rc:$ea_res, (pre_store F4RC:$rS,  ptr_rc:$ptrreg, 
842                                          iaddroff:$ptroff))]>,
843                    RegConstraint<"$ptrreg = $ea_res">, NoEncode<"$ea_res">;
844def STFDU : DForm_1a<37, (outs ptr_rc:$ea_res), (ins F8RC:$rS,
845                             symbolLo:$ptroff, ptr_rc:$ptrreg),
846                    "stfdu $rS, $ptroff($ptrreg)", LdStSTFDU,
847                    [(set ptr_rc:$ea_res, (pre_store F8RC:$rS, ptr_rc:$ptrreg, 
848                                          iaddroff:$ptroff))]>,
849                    RegConstraint<"$ptrreg = $ea_res">, NoEncode<"$ea_res">;
850}
851
852
853// Indexed (r+r) Stores.
854//
855let PPC970_Unit = 2 in {
856def STBX  : XForm_8<31, 215, (outs), (ins GPRC:$rS, memrr:$dst),
857                   "stbx $rS, $dst", LdStStore,
858                   [(truncstorei8 GPRC:$rS, xaddr:$dst)]>, 
859                   PPC970_DGroup_Cracked;
860def STHX  : XForm_8<31, 407, (outs), (ins GPRC:$rS, memrr:$dst),
861                   "sthx $rS, $dst", LdStStore,
862                   [(truncstorei16 GPRC:$rS, xaddr:$dst)]>, 
863                   PPC970_DGroup_Cracked;
864def STWX  : XForm_8<31, 151, (outs), (ins GPRC:$rS, memrr:$dst),
865                   "stwx $rS, $dst", LdStStore,
866                   [(store GPRC:$rS, xaddr:$dst)]>,
867                   PPC970_DGroup_Cracked;
868 
869def STBUX : XForm_8<31, 247, (outs ptr_rc:$ea_res),
870                             (ins GPRC:$rS, ptr_rc:$ptroff, ptr_rc:$ptrreg),
871                   "stbux $rS, $ptroff, $ptrreg", LdStStoreUpd,
872                   [(set ptr_rc:$ea_res,
873                      (pre_truncsti8 GPRC:$rS,
874                                     ptr_rc:$ptrreg, xaddroff:$ptroff))]>,
875                   RegConstraint<"$ptroff = $ea_res">, NoEncode<"$ea_res">,
876                   PPC970_DGroup_Cracked;
877 
878def STHUX : XForm_8<31, 439, (outs ptr_rc:$ea_res),
879                             (ins GPRC:$rS, ptr_rc:$ptroff, ptr_rc:$ptrreg),
880                   "sthux $rS, $ptroff, $ptrreg", LdStStoreUpd,
881                   [(set ptr_rc:$ea_res,
882                      (pre_truncsti16 GPRC:$rS,
883                                      ptr_rc:$ptrreg, xaddroff:$ptroff))]>,
884                   RegConstraint<"$ptroff = $ea_res">, NoEncode<"$ea_res">,
885                   PPC970_DGroup_Cracked;
886                 
887def STWUX : XForm_8<31, 183, (outs ptr_rc:$ea_res),
888                             (ins GPRC:$rS, ptr_rc:$ptroff, ptr_rc:$ptrreg),
889                   "stwux $rS, $ptroff, $ptrreg", LdStStoreUpd,
890                   [(set ptr_rc:$ea_res,
891                      (pre_store GPRC:$rS, ptr_rc:$ptrreg, xaddroff:$ptroff))]>,
892                   RegConstraint<"$ptroff = $ea_res">, NoEncode<"$ea_res">,
893                   PPC970_DGroup_Cracked;
894
895def STFSUX : XForm_8<31, 695, (outs ptr_rc:$ea_res),
896                              (ins F4RC:$rS, ptr_rc:$ptroff, ptr_rc:$ptrreg),
897                    "stfsux $rS, $ptroff, $ptrreg", LdStSTFDU,
898                    [(set ptr_rc:$ea_res,
899                       (pre_store F4RC:$rS, ptr_rc:$ptrreg, xaddroff:$ptroff))]>,
900                    RegConstraint<"$ptroff = $ea_res">, NoEncode<"$ea_res">,
901                    PPC970_DGroup_Cracked;
902
903def STFDUX : XForm_8<31, 759, (outs ptr_rc:$ea_res),
904                              (ins F8RC:$rS, ptr_rc:$ptroff, ptr_rc:$ptrreg),
905                    "stfdux $rS, $ptroff, $ptrreg", LdStSTFDU,
906                    [(set ptr_rc:$ea_res,
907                       (pre_store F8RC:$rS, ptr_rc:$ptrreg, xaddroff:$ptroff))]>,
908                    RegConstraint<"$ptroff = $ea_res">, NoEncode<"$ea_res">,
909                    PPC970_DGroup_Cracked;
910
911def STHBRX: XForm_8<31, 918, (outs), (ins GPRC:$rS, memrr:$dst),
912                   "sthbrx $rS, $dst", LdStStore,
913                   [(PPCstbrx GPRC:$rS, xoaddr:$dst, i16)]>, 
914                   PPC970_DGroup_Cracked;
915def STWBRX: XForm_8<31, 662, (outs), (ins GPRC:$rS, memrr:$dst),
916                   "stwbrx $rS, $dst", LdStStore,
917                   [(PPCstbrx GPRC:$rS, xoaddr:$dst, i32)]>,
918                   PPC970_DGroup_Cracked;
919
920def STFIWX: XForm_28<31, 983, (outs), (ins F8RC:$frS, memrr:$dst),
921                     "stfiwx $frS, $dst", LdStSTFD,
922                     [(PPCstfiwx F8RC:$frS, xoaddr:$dst)]>;
923                     
924def STFSX : XForm_28<31, 663, (outs), (ins F4RC:$frS, memrr:$dst),
925                     "stfsx $frS, $dst", LdStSTFD,
926                     [(store F4RC:$frS, xaddr:$dst)]>;
927def STFDX : XForm_28<31, 727, (outs), (ins F8RC:$frS, memrr:$dst),
928                     "stfdx $frS, $dst", LdStSTFD,
929                     [(store F8RC:$frS, xaddr:$dst)]>;
930}
931
932def SYNC : XForm_24_sync<31, 598, (outs), (ins),
933                        "sync", LdStSync,
934                        [(int_ppc_sync)]>;
935
936//===----------------------------------------------------------------------===//
937// PPC32 Arithmetic Instructions.
938//
939
940let PPC970_Unit = 1 in {  // FXU Operations.
941def ADDI   : DForm_2<14, (outs GPRC:$rD), (ins GPRC:$rA, s16imm:$imm),
942                     "addi $rD, $rA, $imm", IntSimple,
943                     [(set GPRC:$rD, (add GPRC:$rA, immSExt16:$imm))]>;
944def ADDIL  : DForm_2<14, (outs GPRC:$rD), (ins GPRC:$rA, symbolLo:$imm),
945                     "addi $rD, $rA, $imm", IntSimple,
946                     [(set GPRC:$rD, (add GPRC:$rA, immSExt16:$imm))]>;
947let Defs = [CARRY] in {
948def ADDIC  : DForm_2<12, (outs GPRC:$rD), (ins GPRC:$rA, s16imm:$imm),
949                     "addic $rD, $rA, $imm", IntGeneral,
950                     [(set GPRC:$rD, (addc GPRC:$rA, immSExt16:$imm))]>,
951                     PPC970_DGroup_Cracked;
952def ADDICo : DForm_2<13, (outs GPRC:$rD), (ins GPRC:$rA, s16imm:$imm),
953                     "addic. $rD, $rA, $imm", IntGeneral,
954                     []>;
955}
956def ADDIS  : DForm_2<15, (outs GPRC:$rD), (ins GPRC:$rA, symbolHi:$imm),
957                     "addis $rD, $rA, $imm", IntSimple,
958                     [(set GPRC:$rD, (add GPRC:$rA, imm16ShiftedSExt:$imm))]>;
959def LA     : DForm_2<14, (outs GPRC:$rD), (ins GPRC:$rA, symbolLo:$sym),
960                     "la $rD, $sym($rA)", IntGeneral,
961                     [(set GPRC:$rD, (add GPRC:$rA,
962                                          (PPClo tglobaladdr:$sym, 0)))]>;
963def MULLI  : DForm_2< 7, (outs GPRC:$rD), (ins GPRC:$rA, s16imm:$imm),
964                     "mulli $rD, $rA, $imm", IntMulLI,
965                     [(set GPRC:$rD, (mul GPRC:$rA, immSExt16:$imm))]>;
966let Defs = [CARRY] in {
967def SUBFIC : DForm_2< 8, (outs GPRC:$rD), (ins GPRC:$rA, s16imm:$imm),
968                     "subfic $rD, $rA, $imm", IntGeneral,
969                     [(set GPRC:$rD, (subc immSExt16:$imm, GPRC:$rA))]>;
970}
971
972let isReMaterializable = 1, isAsCheapAsAMove = 1, isMoveImm = 1 in {
973  def LI  : DForm_2_r0<14, (outs GPRC:$rD), (ins symbolLo:$imm),
974                       "li $rD, $imm", IntSimple,
975                       [(set GPRC:$rD, immSExt16:$imm)]>;
976  def LIS : DForm_2_r0<15, (outs GPRC:$rD), (ins symbolHi:$imm),
977                       "lis $rD, $imm", IntSimple,
978                       [(set GPRC:$rD, imm16ShiftedSExt:$imm)]>;
979}
980}
981
982let PPC970_Unit = 1 in {  // FXU Operations.
983def ANDIo : DForm_4<28, (outs GPRC:$dst), (ins GPRC:$src1, u16imm:$src2),
984                    "andi. $dst, $src1, $src2", IntGeneral,
985                    [(set GPRC:$dst, (and GPRC:$src1, immZExt16:$src2))]>,
986                    isDOT;
987def ANDISo : DForm_4<29, (outs GPRC:$dst), (ins GPRC:$src1, u16imm:$src2),
988                    "andis. $dst, $src1, $src2", IntGeneral,
989                    [(set GPRC:$dst, (and GPRC:$src1,imm16ShiftedZExt:$src2))]>,
990                    isDOT;
991def ORI   : DForm_4<24, (outs GPRC:$dst), (ins GPRC:$src1, u16imm:$src2),
992                    "ori $dst, $src1, $src2", IntSimple,
993                    [(set GPRC:$dst, (or GPRC:$src1, immZExt16:$src2))]>;
994def ORIS  : DForm_4<25, (outs GPRC:$dst), (ins GPRC:$src1, u16imm:$src2),
995                    "oris $dst, $src1, $src2", IntSimple,
996                    [(set GPRC:$dst, (or GPRC:$src1, imm16ShiftedZExt:$src2))]>;
997def XORI  : DForm_4<26, (outs GPRC:$dst), (ins GPRC:$src1, u16imm:$src2),
998                    "xori $dst, $src1, $src2", IntSimple,
999                    [(set GPRC:$dst, (xor GPRC:$src1, immZExt16:$src2))]>;
1000def XORIS : DForm_4<27, (outs GPRC:$dst), (ins GPRC:$src1, u16imm:$src2),
1001                    "xoris $dst, $src1, $src2", IntSimple,
1002                    [(set GPRC:$dst, (xor GPRC:$src1,imm16ShiftedZExt:$src2))]>;
1003def NOP   : DForm_4_zero<24, (outs), (ins), "nop", IntSimple,
1004                         []>;
1005def CMPWI : DForm_5_ext<11, (outs CRRC:$crD), (ins GPRC:$rA, s16imm:$imm),
1006                        "cmpwi $crD, $rA, $imm", IntCompare>;
1007def CMPLWI : DForm_6_ext<10, (outs CRRC:$dst), (ins GPRC:$src1, u16imm:$src2),
1008                         "cmplwi $dst, $src1, $src2", IntCompare>;
1009}
1010
1011
1012let PPC970_Unit = 1 in {  // FXU Operations.
1013def NAND : XForm_6<31, 476, (outs GPRC:$rA), (ins GPRC:$rS, GPRC:$rB),
1014                   "nand $rA, $rS, $rB", IntSimple,
1015                   [(set GPRC:$rA, (not (and GPRC:$rS, GPRC:$rB)))]>;
1016def AND  : XForm_6<31,  28, (outs GPRC:$rA), (ins GPRC:$rS, GPRC:$rB),
1017                   "and $rA, $rS, $rB", IntSimple,
1018                   [(set GPRC:$rA, (and GPRC:$rS, GPRC:$rB))]>;
1019def ANDC : XForm_6<31,  60, (outs GPRC:$rA), (ins GPRC:$rS, GPRC:$rB),
1020                   "andc $rA, $rS, $rB", IntSimple,
1021                   [(set GPRC:$rA, (and GPRC:$rS, (not GPRC:$rB)))]>;
1022def OR   : XForm_6<31, 444, (outs GPRC:$rA), (ins GPRC:$rS, GPRC:$rB),
1023                   "or $rA, $rS, $rB", IntSimple,
1024                   [(set GPRC:$rA, (or GPRC:$rS, GPRC:$rB))]>;
1025def NOR  : XForm_6<31, 124, (outs GPRC:$rA), (ins GPRC:$rS, GPRC:$rB),
1026                   "nor $rA, $rS, $rB", IntSimple,
1027                   [(set GPRC:$rA, (not (or GPRC:$rS, GPRC:$rB)))]>;
1028def ORC  : XForm_6<31, 412, (outs GPRC:$rA), (ins GPRC:$rS, GPRC:$rB),
1029                   "orc $rA, $rS, $rB", IntSimple,
1030                   [(set GPRC:$rA, (or GPRC:$rS, (not GPRC:$rB)))]>;
1031def EQV  : XForm_6<31, 284, (outs GPRC:$rA), (ins GPRC:$rS, GPRC:$rB),
1032                   "eqv $rA, $rS, $rB", IntSimple,
1033                   [(set GPRC:$rA, (not (xor GPRC:$rS, GPRC:$rB)))]>;
1034def XOR  : XForm_6<31, 316, (outs GPRC:$rA), (ins GPRC:$rS, GPRC:$rB),
1035                   "xor $rA, $rS, $rB", IntSimple,
1036                   [(set GPRC:$rA, (xor GPRC:$rS, GPRC:$rB))]>;
1037def SLW  : XForm_6<31,  24, (outs GPRC:$rA), (ins GPRC:$rS, GPRC:$rB),
1038                   "slw $rA, $rS, $rB", IntGeneral,
1039                   [(set GPRC:$rA, (PPCshl GPRC:$rS, GPRC:$rB))]>;
1040def SRW  : XForm_6<31, 536, (outs GPRC:$rA), (ins GPRC:$rS, GPRC:$rB),
1041                   "srw $rA, $rS, $rB", IntGeneral,
1042                   [(set GPRC:$rA, (PPCsrl GPRC:$rS, GPRC:$rB))]>;
1043let Defs = [CARRY] in {
1044def SRAW : XForm_6<31, 792, (outs GPRC:$rA), (ins GPRC:$rS, GPRC:$rB),
1045                   "sraw $rA, $rS, $rB", IntShift,
1046                   [(set GPRC:$rA, (PPCsra GPRC:$rS, GPRC:$rB))]>;
1047}
1048}
1049
1050let PPC970_Unit = 1 in {  // FXU Operations.
1051let Defs = [CARRY] in {
1052def SRAWI : XForm_10<31, 824, (outs GPRC:$rA), (ins GPRC:$rS, u5imm:$SH), 
1053                     "srawi $rA, $rS, $SH", IntShift,
1054                     [(set GPRC:$rA, (sra GPRC:$rS, (i32 imm:$SH)))]>;
1055}
1056def CNTLZW : XForm_11<31,  26, (outs GPRC:$rA), (ins GPRC:$rS),
1057                      "cntlzw $rA, $rS", IntGeneral,
1058                      [(set GPRC:$rA, (ctlz GPRC:$rS))]>;
1059def EXTSB  : XForm_11<31, 954, (outs GPRC:$rA), (ins GPRC:$rS),
1060                      "extsb $rA, $rS", IntSimple,
1061                      [(set GPRC:$rA, (sext_inreg GPRC:$rS, i8))]>;
1062def EXTSH  : XForm_11<31, 922, (outs GPRC:$rA), (ins GPRC:$rS),
1063                      "extsh $rA, $rS", IntSimple,
1064                      [(set GPRC:$rA, (sext_inreg GPRC:$rS, i16))]>;
1065
1066def CMPW   : XForm_16_ext<31, 0, (outs CRRC:$crD), (ins GPRC:$rA, GPRC:$rB),
1067                          "cmpw $crD, $rA, $rB", IntCompare>;
1068def CMPLW  : XForm_16_ext<31, 32, (outs CRRC:$crD), (ins GPRC:$rA, GPRC:$rB),
1069                          "cmplw $crD, $rA, $rB", IntCompare>;
1070}
1071let PPC970_Unit = 3 in {  // FPU Operations.
1072//def FCMPO  : XForm_17<63, 32, (outs CRRC:$crD), (ins FPRC:$fA, FPRC:$fB),
1073//                      "fcmpo $crD, $fA, $fB", FPCompare>;
1074def FCMPUS : XForm_17<63, 0, (outs CRRC:$crD), (ins F4RC:$fA, F4RC:$fB),
1075                      "fcmpu $crD, $fA, $fB", FPCompare>;
1076def FCMPUD : XForm_17<63, 0, (outs CRRC:$crD), (ins F8RC:$fA, F8RC:$fB),
1077                      "fcmpu $crD, $fA, $fB", FPCompare>;
1078
1079let Uses = [RM] in {
1080  def FCTIWZ : XForm_26<63, 15, (outs F8RC:$frD), (ins F8RC:$frB),
1081                        "fctiwz $frD, $frB", FPGeneral,
1082                        [(set F8RC:$frD, (PPCfctiwz F8RC:$frB))]>;
1083  def FRSP   : XForm_26<63, 12, (outs F4RC:$frD), (ins F8RC:$frB),
1084                        "frsp $frD, $frB", FPGeneral,
1085                        [(set F4RC:$frD, (fround F8RC:$frB))]>;
1086  def FSQRT  : XForm_26<63, 22, (outs F8RC:$frD), (ins F8RC:$frB),
1087                        "fsqrt $frD, $frB", FPSqrt,
1088                        [(set F8RC:$frD, (fsqrt F8RC:$frB))]>;
1089  def FSQRTS : XForm_26<59, 22, (outs F4RC:$frD), (ins F4RC:$frB),
1090                        "fsqrts $frD, $frB", FPSqrt,
1091                        [(set F4RC:$frD, (fsqrt F4RC:$frB))]>;
1092  }
1093}
1094
1095/// Note that FMR is defined as pseudo-ops on the PPC970 because they are
1096/// often coalesced away and we don't want the dispatch group builder to think
1097/// that they will fill slots (which could cause the load of a LSU reject to
1098/// sneak into a d-group with a store).
1099def FMR   : XForm_26<63, 72, (outs F4RC:$frD), (ins F4RC:$frB),
1100                     "fmr $frD, $frB", FPGeneral,
1101                     []>,  // (set F4RC:$frD, F4RC:$frB)
1102                     PPC970_Unit_Pseudo;
1103
1104let PPC970_Unit = 3 in {  // FPU Operations.
1105// These are artificially split into two different forms, for 4/8 byte FP.
1106def FABSS  : XForm_26<63, 264, (outs F4RC:$frD), (ins F4RC:$frB),
1107                      "fabs $frD, $frB", FPGeneral,
1108                      [(set F4RC:$frD, (fabs F4RC:$frB))]>;
1109def FABSD  : XForm_26<63, 264, (outs F8RC:$frD), (ins F8RC:$frB),
1110                      "fabs $frD, $frB", FPGeneral,
1111                      [(set F8RC:$frD, (fabs F8RC:$frB))]>;
1112def FNABSS : XForm_26<63, 136, (outs F4RC:$frD), (ins F4RC:$frB),
1113                      "fnabs $frD, $frB", FPGeneral,
1114                      [(set F4RC:$frD, (fneg (fabs F4RC:$frB)))]>;
1115def FNABSD : XForm_26<63, 136, (outs F8RC:$frD), (ins F8RC:$frB),
1116                      "fnabs $frD, $frB", FPGeneral,
1117                      [(set F8RC:$frD, (fneg (fabs F8RC:$frB)))]>;
1118def FNEGS  : XForm_26<63, 40, (outs F4RC:$frD), (ins F4RC:$frB),
1119                      "fneg $frD, $frB", FPGeneral,
1120                      [(set F4RC:$frD, (fneg F4RC:$frB))]>;
1121def FNEGD  : XForm_26<63, 40, (outs F8RC:$frD), (ins F8RC:$frB),
1122                      "fneg $frD, $frB", FPGeneral,
1123                      [(set F8RC:$frD, (fneg F8RC:$frB))]>;
1124}
1125                      
1126
1127// XL-Form instructions.  condition register logical ops.
1128//
1129def MCRF   : XLForm_3<19, 0, (outs CRRC:$BF), (ins CRRC:$BFA),
1130                      "mcrf $BF, $BFA", BrMCR>,
1131             PPC970_DGroup_First, PPC970_Unit_CRU;
1132
1133def CREQV  : XLForm_1<19, 289, (outs CRBITRC:$CRD),
1134                               (ins CRBITRC:$CRA, CRBITRC:$CRB),
1135                      "creqv $CRD, $CRA, $CRB", BrCR,
1136                      []>;
1137
1138def CROR  : XLForm_1<19, 449, (outs CRBITRC:$CRD),
1139                               (ins CRBITRC:$CRA, CRBITRC:$CRB),
1140                      "cror $CRD, $CRA, $CRB", BrCR,
1141                      []>;
1142
1143def CRSET  : XLForm_1_ext<19, 289, (outs CRBITRC:$dst), (ins),
1144              "creqv $dst, $dst, $dst", BrCR,
1145              []>;
1146
1147def CRUNSET: XLForm_1_ext<19, 193, (outs CRBITRC:$dst), (ins),
1148              "crxor $dst, $dst, $dst", BrCR,
1149              []>;
1150
1151let Defs = [CR1EQ], CRD = 6 in {
1152def CR6SET  : XLForm_1_ext<19, 289, (outs), (ins),
1153              "creqv 6, 6, 6", BrCR,
1154              [(PPCcr6set)]>;
1155
1156def CR6UNSET: XLForm_1_ext<19, 193, (outs), (ins),
1157              "crxor 6, 6, 6", BrCR,
1158              [(PPCcr6unset)]>;
1159}
1160
1161// XFX-Form instructions.  Instructions that deal with SPRs.
1162//
1163let Uses = [CTR] in {
1164def MFCTR : XFXForm_1_ext<31, 339, 9, (outs GPRC:$rT), (ins),
1165                          "mfctr $rT", SprMFSPR>,
1166            PPC970_DGroup_First, PPC970_Unit_FXU;
1167}
1168let Defs = [CTR], Pattern = [(PPCmtctr GPRC:$rS)] in {
1169def MTCTR : XFXForm_7_ext<31, 467, 9, (outs), (ins GPRC:$rS),
1170                          "mtctr $rS", SprMTSPR>,
1171            PPC970_DGroup_First, PPC970_Unit_FXU;
1172}
1173
1174let Defs = [LR] in {
1175def MTLR  : XFXForm_7_ext<31, 467, 8, (outs), (ins GPRC:$rS),
1176                          "mtlr $rS", SprMTSPR>,
1177            PPC970_DGroup_First, PPC970_Unit_FXU;
1178}
1179let Uses = [LR] in {
1180def MFLR  : XFXForm_1_ext<31, 339, 8, (outs GPRC:$rT), (ins),
1181                          "mflr $rT", SprMFSPR>,
1182            PPC970_DGroup_First, PPC970_Unit_FXU;
1183}
1184
1185// Move to/from VRSAVE: despite being a SPR, the VRSAVE register is renamed like
1186// a GPR on the PPC970.  As such, copies in and out have the same performance
1187// characteristics as an OR instruction.
1188def MTVRSAVE : XFXForm_7_ext<31, 467, 256, (outs), (ins GPRC:$rS),
1189                             "mtspr 256, $rS", IntGeneral>,
1190               PPC970_DGroup_Single, PPC970_Unit_FXU;
1191def MFVRSAVE : XFXForm_1_ext<31, 339, 256, (outs GPRC:$rT), (ins),
1192                             "mfspr $rT, 256", IntGeneral>,
1193               PPC970_DGroup_First, PPC970_Unit_FXU;
1194
1195def MTCRF : XFXForm_5<31, 144, (outs crbitm:$FXM), (ins GPRC:$rS),
1196                      "mtcrf $FXM, $rS", BrMCRX>,
1197            PPC970_MicroCode, PPC970_Unit_CRU;
1198
1199// This is a pseudo for MFCR, which implicitly uses all 8 of its subregisters;
1200// declaring that here gives the local register allocator problems with this:
1201//  vreg = MCRF  CR0
1202//  MFCR  <kill of whatever preg got assigned to vreg>
1203// while not declaring it breaks DeadMachineInstructionElimination.
1204// As it turns out, in all cases where we currently use this,
1205// we're only interested in one subregister of it.  Represent this in the
1206// instruction to keep the register allocator from becoming confused.
1207//
1208// FIXME: Make this a real Pseudo instruction when the JIT switches to MC.
1209def MFCRpseud: XFXForm_3<31, 19, (outs GPRC:$rT), (ins crbitm:$FXM),
1210                       "", SprMFCR>,
1211            PPC970_MicroCode, PPC970_Unit_CRU;
1212            
1213def MFCR : XFXForm_3<31, 19, (outs GPRC:$rT), (ins),
1214                     "mfcr $rT", SprMFCR>,
1215                     PPC970_MicroCode, PPC970_Unit_CRU;
1216
1217def MFOCRF: XFXForm_5a<31, 19, (outs GPRC:$rT), (ins crbitm:$FXM),
1218                       "mfocrf $rT, $FXM", SprMFCR>,
1219            PPC970_DGroup_First, PPC970_Unit_CRU;
1220
1221// Instructions to manipulate FPSCR.  Only long double handling uses these.
1222// FPSCR is not modelled; we use the SDNode Flag to keep things in order.
1223
1224let Uses = [RM], Defs = [RM] in { 
1225  def MTFSB0 : XForm_43<63, 70, (outs), (ins u5imm:$FM),
1226                         "mtfsb0 $FM", IntMTFSB0,
1227                        [(PPCmtfsb0 (i32 imm:$FM))]>,
1228               PPC970_DGroup_Single, PPC970_Unit_FPU;
1229  def MTFSB1 : XForm_43<63, 38, (outs), (ins u5imm:$FM),
1230                         "mtfsb1 $FM", IntMTFSB0,
1231                        [(PPCmtfsb1 (i32 imm:$FM))]>,
1232               PPC970_DGroup_Single, PPC970_Unit_FPU;
1233  // MTFSF does not actually produce an FP result.  We pretend it copies
1234  // input reg B to the output.  If we didn't do this it would look like the
1235  // instruction had no outputs (because we aren't modelling the FPSCR) and
1236  // it would be deleted.
1237  def MTFSF  : XFLForm<63, 711, (outs F8RC:$FRA),
1238                                (ins i32imm:$FM, F8RC:$rT, F8RC:$FRB),
1239                         "mtfsf $FM, $rT", "$FRB = $FRA", IntMTFSB0,
1240                         [(set F8RC:$FRA, (PPCmtfsf (i32 imm:$FM), 
1241                                                     F8RC:$rT, F8RC:$FRB))]>,
1242               PPC970_DGroup_Single, PPC970_Unit_FPU;
1243}
1244let Uses = [RM] in {
1245  def MFFS   : XForm_42<63, 583, (outs F8RC:$rT), (ins), 
1246                         "mffs $rT", IntMFFS,
1247                         [(set F8RC:$rT, (PPCmffs))]>,
1248               PPC970_DGroup_Single, PPC970_Unit_FPU;
1249  def FADDrtz: AForm_2<63, 21,
1250                      (outs F8RC:$FRT), (ins F8RC:$FRA, F8RC:$FRB),
1251                      "fadd $FRT, $FRA, $FRB", FPAddSub,
1252                      [(set F8RC:$FRT, (PPCfaddrtz F8RC:$FRA, F8RC:$FRB))]>,
1253               PPC970_DGroup_Single, PPC970_Unit_FPU;
1254}
1255
1256
1257let PPC970_Unit = 1 in {  // FXU Operations.
1258
1259// XO-Form instructions.  Arithmetic instructions that can set overflow bit
1260//
1261def ADD4  : XOForm_1<31, 266, 0, (outs GPRC:$rT), (ins GPRC:$rA, GPRC:$rB),
1262                     "add $rT, $rA, $rB", IntSimple,
1263                     [(set GPRC:$rT, (add GPRC:$rA, GPRC:$rB))]>;
1264let Defs = [CARRY] in {
1265def ADDC  : XOForm_1<31, 10, 0, (outs GPRC:$rT), (ins GPRC:$rA, GPRC:$rB),
1266                     "addc $rT, $rA, $rB", IntGeneral,
1267                     [(set GPRC:$rT, (addc GPRC:$rA, GPRC:$rB))]>,
1268                     PPC970_DGroup_Cracked;
1269}
1270def DIVW  : XOForm_1<31, 491, 0, (outs GPRC:$rT), (ins GPRC:$rA, GPRC:$rB),
1271                     "divw $rT, $rA, $rB", IntDivW,
1272                     [(set GPRC:$rT, (sdiv GPRC:$rA, GPRC:$rB))]>,
1273                     PPC970_DGroup_First, PPC970_DGroup_Cracked;
1274def DIVWU : XOForm_1<31, 459, 0, (outs GPRC:$rT), (ins GPRC:$rA, GPRC:$rB),
1275                     "divwu $rT, $rA, $rB", IntDivW,
1276                     [(set GPRC:$rT, (udiv GPRC:$rA, GPRC:$rB))]>,
1277                     PPC970_DGroup_First, PPC970_DGroup_Cracked;
1278def MULHW : XOForm_1<31, 75, 0, (outs GPRC:$rT), (ins GPRC:$rA, GPRC:$rB),
1279                     "mulhw $rT, $rA, $rB", IntMulHW,
1280                     [(set GPRC:$rT, (mulhs GPRC:$rA, GPRC:$rB))]>;
1281def MULHWU : XOForm_1<31, 11, 0, (outs GPRC:$rT), (ins GPRC:$rA, GPRC:$rB),
1282                     "mulhwu $rT, $rA, $rB", IntMulHWU,
1283                     [(set GPRC:$rT, (mulhu GPRC:$rA, GPRC:$rB))]>;
1284def MULLW : XOForm_1<31, 235, 0, (outs GPRC:$rT), (ins GPRC:$rA, GPRC:$rB),
1285                     "mullw $rT, $rA, $rB", IntMulHW,
1286                     [(set GPRC:$rT, (mul GPRC:$rA, GPRC:$rB))]>;
1287def SUBF  : XOForm_1<31, 40, 0, (outs GPRC:$rT), (ins GPRC:$rA, GPRC:$rB),
1288                     "subf $rT, $rA, $rB", IntGeneral,
1289                     [(set GPRC:$rT, (sub GPRC:$rB, GPRC:$rA))]>;
1290let Defs = [CARRY] in {
1291def SUBFC : XOForm_1<31, 8, 0, (outs GPRC:$rT), (ins GPRC:$rA, GPRC:$rB),
1292                     "subfc $rT, $rA, $rB", IntGeneral,
1293                     [(set GPRC:$rT, (subc GPRC:$rB, GPRC:$rA))]>,
1294                     PPC970_DGroup_Cracked;
1295}
1296def NEG    : XOForm_3<31, 104, 0, (outs GPRC:$rT), (ins GPRC:$rA),
1297                      "neg $rT, $rA", IntSimple,
1298                      [(set GPRC:$rT, (ineg GPRC:$rA))]>;
1299let Uses = [CARRY], Defs = [CARRY] in {
1300def ADDE  : XOForm_1<31, 138, 0, (outs GPRC:$rT), (ins GPRC:$rA, GPRC:$rB),
1301                      "adde $rT, $rA, $rB", IntGeneral,
1302                      [(set GPRC:$rT, (adde GPRC:$rA, GPRC:$rB))]>;
1303def ADDME  : XOForm_3<31, 234, 0, (outs GPRC:$rT), (ins GPRC:$rA),
1304                      "addme $rT, $rA", IntGeneral,
1305                      [(set GPRC:$rT, (adde GPRC:$rA, -1))]>;
1306def ADDZE  : XOForm_3<31, 202, 0, (outs GPRC:$rT), (ins GPRC:$rA),
1307                      "addze $rT, $rA", IntGeneral,
1308                      [(set GPRC:$rT, (adde GPRC:$rA, 0))]>;
1309def SUBFE : XOForm_1<31, 136, 0, (outs GPRC:$rT), (ins GPRC:$rA, GPRC:$rB),
1310                      "subfe $rT, $rA, $rB", IntGeneral,
1311                      [(set GPRC:$rT, (sube GPRC:$rB, GPRC:$rA))]>;
1312def SUBFME : XOForm_3<31, 232, 0, (outs GPRC:$rT), (ins GPRC:$rA),
1313                      "subfme $rT, $rA", IntGeneral,
1314                      [(set GPRC:$rT, (sube -1, GPRC:$rA))]>;
1315def SUBFZE : XOForm_3<31, 200, 0, (outs GPRC:$rT), (ins GPRC:$rA),
1316                      "subfze $rT, $rA", IntGeneral,
1317                      [(set GPRC:$rT, (sube 0, GPRC:$rA))]>;
1318}
1319}
1320
1321// A-Form instructions.  Most of the instructions executed in the FPU are of
1322// this type.
1323//
1324let PPC970_Unit = 3 in {  // FPU Operations.
1325let Uses = [RM] in {
1326  def FMADD : AForm_1<63, 29, 
1327                      (outs F8RC:$FRT), (ins F8RC:$FRA, F8RC:$FRC, F8RC:$FRB),
1328                      "fmadd $FRT, $FRA, $FRC, $FRB", FPFused,
1329                      [(set F8RC:$FRT,
1330                            (fma F8RC:$FRA, F8RC:$FRC, F8RC:$FRB))]>;
1331  def FMADDS : AForm_1<59, 29,
1332                      (outs F4RC:$FRT), (ins F4RC:$FRA, F4RC:$FRC, F4RC:$FRB),
1333                      "fmadds $FRT, $FRA, $FRC, $FRB", FPGeneral,
1334                      [(set F4RC:$FRT,
1335                            (fma F4RC:$FRA, F4RC:$FRC, F4RC:$FRB))]>;
1336  def FMSUB : AForm_1<63, 28,
1337                      (outs F8RC:$FRT), (ins F8RC:$FRA, F8RC:$FRC, F8RC:$FRB),
1338                      "fmsub $FRT, $FRA, $FRC, $FRB", FPFused,
1339                      [(set F8RC:$FRT,
1340                            (fma F8RC:$FRA, F8RC:$FRC, (fneg F8RC:$FRB)))]>;
1341  def FMSUBS : AForm_1<59, 28,
1342                      (outs F4RC:$FRT), (ins F4RC:$FRA, F4RC:$FRC, F4RC:$FRB),
1343                      "fmsubs $FRT, $FRA, $FRC, $FRB", FPGeneral,
1344                      [(set F4RC:$FRT,
1345                            (fma F4RC:$FRA, F4RC:$FRC, (fneg F4RC:$FRB)))]>;
1346  def FNMADD : AForm_1<63, 31,
1347                      (outs F8RC:$FRT), (ins F8RC:$FRA, F8RC:$FRC, F8RC:$FRB),
1348                      "fnmadd $FRT, $FRA, $FRC, $FRB", FPFused,
1349                      [(set F8RC:$FRT,
1350                            (fneg (fma F8RC:$FRA, F8RC:$FRC, F8RC:$FRB)))]>;
1351  def FNMADDS : AForm_1<59, 31,
1352                      (outs F4RC:$FRT), (ins F4RC:$FRA, F4RC:$FRC, F4RC:$FRB),
1353                      "fnmadds $FRT, $FRA, $FRC, $FRB", FPGeneral,
1354                      [(set F4RC:$FRT,
1355                            (fneg (fma F4RC:$FRA, F4RC:$FRC, F4RC:$FRB)))]>;
1356  def FNMSUB : AForm_1<63, 30,
1357                      (outs F8RC:$FRT), (ins F8RC:$FRA, F8RC:$FRC, F8RC:$FRB),
1358                      "fnmsub $FRT, $FRA, $FRC, $FRB", FPFused,
1359                      [(set F8RC:$FRT, (fneg (fma F8RC:$FRA, F8RC:$FRC,
1360                                                  (fneg F8RC:$FRB))))]>;
1361  def FNMSUBS : AForm_1<59, 30,
1362                      (outs F4RC:$FRT), (ins F4RC:$FRA, F4RC:$FRC, F4RC:$FRB),
1363                      "fnmsubs $FRT, $FRA, $FRC, $FRB", FPGeneral,
1364                      [(set F4RC:$FRT, (fneg (fma F4RC:$FRA, F4RC:$FRC,
1365                                                  (fneg F4RC:$FRB))))]>;
1366}
1367// FSEL is artificially split into 4 and 8-byte forms for the result.  To avoid
1368// having 4 of these, force the comparison to always be an 8-byte double (code
1369// should use an FMRSD if the input comparison value really wants to be a float)
1370// and 4/8 byte forms for the result and operand type..
1371def FSELD : AForm_1<63, 23,
1372                    (outs F8RC:$FRT), (ins F8RC:$FRA, F8RC:$FRC, F8RC:$FRB),
1373                    "fsel $FRT, $FRA, $FRC, $FRB", FPGeneral,
1374                    [(set F8RC:$FRT, (PPCfsel F8RC:$FRA,F8RC:$FRC,F8RC:$FRB))]>;
1375def FSELS : AForm_1<63, 23,
1376                     (outs F4RC:$FRT), (ins F8RC:$FRA, F4RC:$FRC, F4RC:$FRB),
1377                     "fsel $FRT, $FRA, $FRC, $FRB", FPGeneral,
1378                    [(set F4RC:$FRT, (PPCfsel F8RC:$FRA,F4RC:$FRC,F4RC:$FRB))]>;
1379let Uses = [RM] in {
1380  def FADD  : AForm_2<63, 21,
1381                      (outs F8RC:$FRT), (ins F8RC:$FRA, F8RC:$FRB),
1382                      "fadd $FRT, $FRA, $FRB", FPAddSub,
1383                      [(set F8RC:$FRT, (fadd F8RC:$FRA, F8RC:$FRB))]>;
1384  def FADDS : AForm_2<59, 21,
1385                      (outs F4RC:$FRT), (ins F4RC:$FRA, F4RC:$FRB),
1386                      "fadds $FRT, $FRA, $FRB", FPGeneral,
1387                      [(set F4RC:$FRT, (fadd F4RC:$FRA, F4RC:$FRB))]>;
1388  def FDIV  : AForm_2<63, 18,
1389                      (outs F8RC:$FRT), (ins F8RC:$FRA, F8RC:$FRB),
1390                      "fdiv $FRT, $FRA, $FRB", FPDivD,
1391                      [(set F8RC:$FRT, (fdiv F8RC:$FRA, F8RC:$FRB))]>;
1392  def FDIVS : AForm_2<59, 18,
1393                      (outs F4RC:$FRT), (ins F4RC:$FRA, F4RC:$FRB),
1394                      "fdivs $FRT, $FRA, $FRB", FPDivS,
1395                      [(set F4RC:$FRT, (fdiv F4RC:$FRA, F4RC:$FRB))]>;
1396  def FMUL  : AForm_3<63, 25,
1397                      (outs F8RC:$FRT), (ins F8RC:$FRA, F8RC:$FRB),
1398                      "fmul $FRT, $FRA, $FRB", FPFused,
1399                      [(set F8RC:$FRT, (fmul F8RC:$FRA, F8RC:$FRB))]>;
1400  def FMULS : AForm_3<59, 25,
1401                      (outs F4RC:$FRT), (ins F4RC:$FRA, F4RC:$FRB),
1402                      "fmuls $FRT, $FRA, $FRB", FPGeneral,
1403                      [(set F4RC:$FRT, (fmul F4RC:$FRA, F4RC:$FRB))]>;
1404  def FSUB  : AForm_2<63, 20,
1405                      (outs F8RC:$FRT), (ins F8RC:$FRA, F8RC:$FRB),
1406                      "fsub $FRT, $FRA, $FRB", FPAddSub,
1407                      [(set F8RC:$FRT, (fsub F8RC:$FRA, F8RC:$FRB))]>;
1408  def FSUBS : AForm_2<59, 20,
1409                      (outs F4RC:$FRT), (ins F4RC:$FRA, F4RC:$FRB),
1410                      "fsubs $FRT, $FRA, $FRB", FPGeneral,
1411                      [(set F4RC:$FRT, (fsub F4RC:$FRA, F4RC:$FRB))]>;
1412  }
1413}
1414
1415let PPC970_Unit = 1 in {  // FXU Operations.
1416  def ISEL  : AForm_1<31, 15,
1417                     (outs GPRC:$rT), (ins GPRC:$rA, GPRC:$rB, pred:$cond),
1418                     "isel $rT, $rA, $rB, $cond", IntGeneral,
1419                     []>;
1420}
1421
1422let PPC970_Unit = 1 in {  // FXU Operations.
1423// M-Form instructions.  rotate and mask instructions.
1424//
1425let isCommutable = 1 in {
1426// RLWIMI can be commuted if the rotate amount is zero.
1427def RLWIMI : MForm_2<20,
1428                     (outs GPRC:$rA), (ins GPRC:$rSi, GPRC:$rS, u5imm:$SH, u5imm:$MB, 
1429                      u5imm:$ME), "rlwimi $rA, $rS, $SH, $MB, $ME", IntRotate,
1430                      []>, PPC970_DGroup_Cracked, RegConstraint<"$rSi = $rA">,
1431                      NoEncode<"$rSi">;
1432}
1433def RLWINM : MForm_2<21,
1434                     (outs GPRC:$rA), (ins GPRC:$rS, u5imm:$SH, u5imm:$MB, u5imm:$ME),
1435                     "rlwinm $rA, $rS, $SH, $MB, $ME", IntGeneral,
1436                     []>;
1437def RLWINMo : MForm_2<21,
1438                     (outs GPRC:$rA), (ins GPRC:$rS, u5imm:$SH, u5imm:$MB, u5imm:$ME),
1439                     "rlwinm. $rA, $rS, $SH, $MB, $ME", IntGeneral,
1440                     []>, isDOT, PPC970_DGroup_Cracked;
1441def RLWNM  : MForm_2<23,
1442                     (outs GPRC:$rA), (ins GPRC:$rS, GPRC:$rB, u5imm:$MB, u5imm:$ME),
1443                     "rlwnm $rA, $rS, $rB, $MB, $ME", IntGeneral,
1444                     []>;
1445}
1446
1447
1448//===----------------------------------------------------------------------===//
1449// PowerPC Instruction Patterns
1450//
1451
1452// Arbitrary immediate support.  Implement in terms of LIS/ORI.
1453def : Pat<(i32 imm:$imm),
1454          (ORI (LIS (HI16 imm:$imm)), (LO16 imm:$imm))>;
1455
1456// Implement the 'not' operation with the NOR instruction.
1457def NOT : Pat<(not GPRC:$in),
1458              (NOR GPRC:$in, GPRC:$in)>;
1459
1460// ADD an arbitrary immediate.
1461def : Pat<(add GPRC:$in, imm:$imm),
1462          (ADDIS (ADDI GPRC:$in, (LO16 imm:$imm)), (HA16 imm:$imm))>;
1463// OR an arbitrary immediate.
1464def : Pat<(or GPRC:$in, imm:$imm),
1465          (ORIS (ORI GPRC:$in, (LO16 imm:$imm)), (HI16 imm:$imm))>;
1466// XOR an arbitrary immediate.
1467def : Pat<(xor GPRC:$in, imm:$imm),
1468          (XORIS (XORI GPRC:$in, (LO16 imm:$imm)), (HI16 imm:$imm))>;
1469// SUBFIC
1470def : Pat<(sub  immSExt16:$imm, GPRC:$in),
1471          (SUBFIC GPRC:$in, imm:$imm)>;
1472
1473// SHL/SRL
1474def : Pat<(shl GPRC:$in, (i32 imm:$imm)),
1475          (RLWINM GPRC:$in, imm:$imm, 0, (SHL32 imm:$imm))>;
1476def : Pat<(srl GPRC:$in, (i32 imm:$imm)),
1477          (RLWINM GPRC:$in, (SRL32 imm:$imm), imm:$imm, 31)>;
1478
1479// ROTL
1480def : Pat<(rotl GPRC:$in, GPRC:$sh),
1481          (RLWNM GPRC:$in, GPRC:$sh, 0, 31)>;
1482def : Pat<(rotl GPRC:$in, (i32 imm:$imm)),
1483          (RLWINM GPRC:$in, imm:$imm, 0, 31)>;
1484
1485// RLWNM
1486def : Pat<(and (rotl GPRC:$in, GPRC:$sh), maskimm32:$imm),
1487          (RLWNM GPRC:$in, GPRC:$sh, (MB maskimm32:$imm), (ME maskimm32:$imm))>;
1488
1489// Calls
1490def : Pat<(PPCcall_Darwin (i32 tglobaladdr:$dst)),
1491          (BL_Darwin tglobaladdr:$dst)>;
1492def : Pat<(PPCcall_Darwin (i32 texternalsym:$dst)),
1493          (BL_Darwin texternalsym:$dst)>;
1494def : Pat<(PPCcall_SVR4 (i32 tglobaladdr:$dst)),
1495          (BL_SVR4 tglobaladdr:$dst)>;
1496def : Pat<(PPCcall_SVR4 (i32 texternalsym:$dst)),
1497          (BL_SVR4 texternalsym:$dst)>;
1498
1499
1500def : Pat<(PPCtc_return (i32 tglobaladdr:$dst),  imm:$imm),
1501          (TCRETURNdi tglobaladdr:$dst, imm:$imm)>;
1502
1503def : Pat<(PPCtc_return (i32 texternalsym:$dst), imm:$imm),
1504          (TCRETURNdi texternalsym:$dst, imm:$imm)>;
1505
1506def : Pat<(PPCtc_return CTRRC:$dst, imm:$imm),
1507          (TCRETURNri CTRRC:$dst, imm:$imm)>;
1508
1509
1510
1511// Hi and Lo for Darwin Global Addresses.
1512def : Pat<(PPChi tglobaladdr:$in, 0), (LIS tglobaladdr:$in)>;
1513def : Pat<(PPClo tglobaladdr:$in, 0), (LI tglobaladdr:$in)>;
1514def : Pat<(PPChi tconstpool:$in, 0), (LIS tconstpool:$in)>;
1515def : Pat<(PPClo tconstpool:$in, 0), (LI tconstpool:$in)>;
1516def : Pat<(PPChi tjumptable:$in, 0), (LIS tjumptable:$in)>;
1517def : Pat<(PPClo tjumptable:$in, 0), (LI tjumptable:$in)>;
1518def : Pat<(PPChi tblockaddress:$in, 0), (LIS tblockaddress:$in)>;
1519def : Pat<(PPClo tblockaddress:$in, 0), (LI tblockaddress:$in)>;
1520def : Pat<(PPChi tglobaltlsaddr:$g, GPRC:$in),
1521          (ADDIS GPRC:$in, tglobaltlsaddr:$g)>;
1522def : Pat<(PPClo tglobaltlsaddr:$g, GPRC:$in),
1523          (ADDIL GPRC:$in, tglobaltlsaddr:$g)>;
1524def : Pat<(add GPRC:$in, (PPChi tglobaladdr:$g, 0)),
1525          (ADDIS GPRC:$in, tglobaladdr:$g)>;
1526def : Pat<(add GPRC:$in, (PPChi tconstpool:$g, 0)),
1527          (ADDIS GPRC:$in, tconstpool:$g)>;
1528def : Pat<(add GPRC:$in, (PPChi tjumptable:$g, 0)),
1529          (ADDIS GPRC:$in, tjumptable:$g)>;
1530def : Pat<(add GPRC:$in, (PPChi tblockaddress:$g, 0)),
1531          (ADDIS GPRC:$in, tblockaddress:$g)>;
1532
1533// Standard shifts.  These are represented separately from the real shifts above
1534// so that we can distinguish between shifts that allow 5-bit and 6-bit shift
1535// amounts.
1536def : Pat<(sra GPRC:$rS, GPRC:$rB),
1537          (SRAW GPRC:$rS, GPRC:$rB)>;
1538def : Pat<(srl GPRC:$rS, GPRC:$rB),
1539          (SRW GPRC:$rS, GPRC:$rB)>;
1540def : Pat<(shl GPRC:$rS, GPRC:$rB),
1541          (SLW GPRC:$rS, GPRC:$rB)>;
1542
1543def : Pat<(zextloadi1 iaddr:$src),
1544          (LBZ iaddr:$src)>;
1545def : Pat<(zextloadi1 xaddr:$src),
1546          (LBZX xaddr:$src)>;
1547def : Pat<(extloadi1 iaddr:$src),
1548          (LBZ iaddr:$src)>;
1549def : Pat<(extloadi1 xaddr:$src),
1550          (LBZX xaddr:$src)>;
1551def : Pat<(extloadi8 iaddr:$src),
1552          (LBZ iaddr:$src)>;
1553def : Pat<(extloadi8 xaddr:$src),
1554          (LBZX xaddr:$src)>;
1555def : Pat<(extloadi16 iaddr:$src),
1556          (LHZ iaddr:$src)>;
1557def : Pat<(extloadi16 xaddr:$src),
1558          (LHZX xaddr:$src)>;
1559def : Pat<(f64 (extloadf32 iaddr:$src)),
1560          (COPY_TO_REGCLASS (LFS iaddr:$src), F8RC)>;
1561def : Pat<(f64 (extloadf32 xaddr:$src)),
1562          (COPY_TO_REGCLASS (LFSX xaddr:$src), F8RC)>;
1563
1564def : Pat<(f64 (fextend F4RC:$src)),
1565          (COPY_TO_REGCLASS F4RC:$src, F8RC)>;
1566
1567// Memory barriers
1568def : Pat<(membarrier (i32 imm /*ll*/),
1569                      (i32 imm /*ls*/),
1570                      (i32 imm /*sl*/),
1571                      (i32 imm /*ss*/),
1572                      (i32 imm /*device*/)),
1573           (SYNC)>;
1574
1575def : Pat<(atomic_fence (imm), (imm)), (SYNC)>;
1576
1577include "PPCInstrAltivec.td"
1578include "PPCInstr64Bit.td"
1579