PPCInstrInfo.td revision 212904
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                        [SDNPOutFlag]>;
72def PPCmtfsb0 : SDNode<"PPCISD::MTFSB0", SDTypeProfile<0, 1, [SDTCisInt<0>]>,
73                       [SDNPInFlag, SDNPOutFlag]>;
74def PPCmtfsb1 : SDNode<"PPCISD::MTFSB1", SDTypeProfile<0, 1, [SDTCisInt<0>]>,
75                       [SDNPInFlag, SDNPOutFlag]>;
76def PPCfaddrtz: SDNode<"PPCISD::FADDRTZ", SDTFPBinOp,
77                       [SDNPInFlag, SDNPOutFlag]>;
78def PPCmtfsf  : SDNode<"PPCISD::MTFSF", SDTypeProfile<1, 3, 
79                       [SDTCisVT<0, f64>, SDTCisInt<1>, SDTCisVT<2, f64>,
80                        SDTCisVT<3, f64>]>,
81                       [SDNPInFlag]>;
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, SDNPOutFlag]>;
109def callseq_end   : SDNode<"ISD::CALLSEQ_END",   SDT_PPCCallSeqEnd,
110                           [SDNPHasChain, SDNPOptInFlag, SDNPOutFlag]>;
111
112def SDT_PPCCall   : SDTypeProfile<0, -1, [SDTCisInt<0>]>;
113def PPCcall_Darwin : SDNode<"PPCISD::CALL_Darwin", SDT_PPCCall,
114                            [SDNPHasChain, SDNPOptInFlag, SDNPOutFlag,
115                             SDNPVariadic]>;
116def PPCcall_SVR4  : SDNode<"PPCISD::CALL_SVR4", SDT_PPCCall,
117                           [SDNPHasChain, SDNPOptInFlag, SDNPOutFlag,
118                            SDNPVariadic]>;
119def PPCnop : SDNode<"PPCISD::NOP", SDT_PPCnop, [SDNPInFlag, SDNPOutFlag]>;
120def PPCload   : SDNode<"PPCISD::LOAD", SDTypeProfile<1, 1, []>,
121                       [SDNPHasChain, SDNPOptInFlag, SDNPOutFlag]>;
122def PPCload_toc : SDNode<"PPCISD::LOAD_TOC", SDTypeProfile<0, 1, []>,
123                          [SDNPHasChain, SDNPInFlag, SDNPOutFlag]>;
124def PPCtoc_restore : SDNode<"PPCISD::TOC_RESTORE", SDTypeProfile<0, 0, []>,
125                            [SDNPHasChain, SDNPInFlag, SDNPOutFlag]>;
126def PPCmtctr      : SDNode<"PPCISD::MTCTR", SDT_PPCCall,
127                           [SDNPHasChain, SDNPOptInFlag, SDNPOutFlag]>;
128def PPCbctrl_Darwin  : SDNode<"PPCISD::BCTRL_Darwin", SDTNone,
129                              [SDNPHasChain, SDNPOptInFlag, SDNPOutFlag,
130                               SDNPVariadic]>;
131
132def PPCbctrl_SVR4  : SDNode<"PPCISD::BCTRL_SVR4", SDTNone,
133                            [SDNPHasChain, SDNPOptInFlag, SDNPOutFlag,
134                             SDNPVariadic]>;
135
136def retflag       : SDNode<"PPCISD::RET_FLAG", SDTNone,
137                           [SDNPHasChain, SDNPOptInFlag, SDNPVariadic]>;
138
139def PPCtc_return : SDNode<"PPCISD::TC_RETURN", SDT_PPCTC_ret,
140                        [SDNPHasChain,  SDNPOptInFlag, SDNPVariadic]>;
141
142def PPCvcmp       : SDNode<"PPCISD::VCMP" , SDT_PPCvcmp, []>;
143def PPCvcmp_o     : SDNode<"PPCISD::VCMPo", SDT_PPCvcmp, [SDNPOutFlag]>;
144
145def PPCcondbranch : SDNode<"PPCISD::COND_BRANCH", SDT_PPCcondbr,
146                           [SDNPHasChain, SDNPOptInFlag]>;
147
148def PPClbrx       : SDNode<"PPCISD::LBRX", SDT_PPClbrx,
149                           [SDNPHasChain, SDNPMayLoad]>;
150def PPCstbrx      : SDNode<"PPCISD::STBRX", SDT_PPCstbrx,
151                           [SDNPHasChain, SDNPMayStore]>;
152
153// Instructions to support atomic operations
154def PPClarx      : SDNode<"PPCISD::LARX", SDT_PPClarx,
155                          [SDNPHasChain, SDNPMayLoad]>;
156def PPCstcx      : SDNode<"PPCISD::STCX", SDT_PPCstcx,
157                          [SDNPHasChain, SDNPMayStore]>;
158
159// Instructions to support dynamic alloca.
160def SDTDynOp  : SDTypeProfile<1, 2, []>;
161def PPCdynalloc   : SDNode<"PPCISD::DYNALLOC", SDTDynOp, [SDNPHasChain]>;
162
163//===----------------------------------------------------------------------===//
164// PowerPC specific transformation functions and pattern fragments.
165//
166
167def SHL32 : SDNodeXForm<imm, [{
168  // Transformation function: 31 - imm
169  return getI32Imm(31 - N->getZExtValue());
170}]>;
171
172def SRL32 : SDNodeXForm<imm, [{
173  // Transformation function: 32 - imm
174  return N->getZExtValue() ? getI32Imm(32 - N->getZExtValue()) : getI32Imm(0);
175}]>;
176
177def LO16 : SDNodeXForm<imm, [{
178  // Transformation function: get the low 16 bits.
179  return getI32Imm((unsigned short)N->getZExtValue());
180}]>;
181
182def HI16 : SDNodeXForm<imm, [{
183  // Transformation function: shift the immediate value down into the low bits.
184  return getI32Imm((unsigned)N->getZExtValue() >> 16);
185}]>;
186
187def HA16 : SDNodeXForm<imm, [{
188  // Transformation function: shift the immediate value down into the low bits.
189  signed int Val = N->getZExtValue();
190  return getI32Imm((Val - (signed short)Val) >> 16);
191}]>;
192def MB : SDNodeXForm<imm, [{
193  // Transformation function: get the start bit of a mask
194  unsigned mb = 0, me;
195  (void)isRunOfOnes((unsigned)N->getZExtValue(), mb, me);
196  return getI32Imm(mb);
197}]>;
198
199def ME : SDNodeXForm<imm, [{
200  // Transformation function: get the end bit of a mask
201  unsigned mb, me = 0;
202  (void)isRunOfOnes((unsigned)N->getZExtValue(), mb, me);
203  return getI32Imm(me);
204}]>;
205def maskimm32 : PatLeaf<(imm), [{
206  // maskImm predicate - True if immediate is a run of ones.
207  unsigned mb, me;
208  if (N->getValueType(0) == MVT::i32)
209    return isRunOfOnes((unsigned)N->getZExtValue(), mb, me);
210  else
211    return false;
212}]>;
213
214def immSExt16  : PatLeaf<(imm), [{
215  // immSExt16 predicate - True if the immediate fits in a 16-bit sign extended
216  // field.  Used by instructions like 'addi'.
217  if (N->getValueType(0) == MVT::i32)
218    return (int32_t)N->getZExtValue() == (short)N->getZExtValue();
219  else
220    return (int64_t)N->getZExtValue() == (short)N->getZExtValue();
221}]>;
222def immZExt16  : PatLeaf<(imm), [{
223  // immZExt16 predicate - True if the immediate fits in a 16-bit zero extended
224  // field.  Used by instructions like 'ori'.
225  return (uint64_t)N->getZExtValue() == (unsigned short)N->getZExtValue();
226}], LO16>;
227
228// imm16Shifted* - These match immediates where the low 16-bits are zero.  There
229// are two forms: imm16ShiftedSExt and imm16ShiftedZExt.  These two forms are
230// identical in 32-bit mode, but in 64-bit mode, they return true if the
231// immediate fits into a sign/zero extended 32-bit immediate (with the low bits
232// clear).
233def imm16ShiftedZExt : PatLeaf<(imm), [{
234  // imm16ShiftedZExt predicate - True if only bits in the top 16-bits of the
235  // immediate are set.  Used by instructions like 'xoris'.
236  return (N->getZExtValue() & ~uint64_t(0xFFFF0000)) == 0;
237}], HI16>;
238
239def imm16ShiftedSExt : PatLeaf<(imm), [{
240  // imm16ShiftedSExt predicate - True if only bits in the top 16-bits of the
241  // immediate are set.  Used by instructions like 'addis'.  Identical to 
242  // imm16ShiftedZExt in 32-bit mode.
243  if (N->getZExtValue() & 0xFFFF) return false;
244  if (N->getValueType(0) == MVT::i32)
245    return true;
246  // For 64-bit, make sure it is sext right.
247  return N->getZExtValue() == (uint64_t)(int)N->getZExtValue();
248}], HI16>;
249
250
251//===----------------------------------------------------------------------===//
252// PowerPC Flag Definitions.
253
254class isPPC64 { bit PPC64 = 1; }
255class isDOT   {
256  list<Register> Defs = [CR0];
257  bit RC  = 1;
258}
259
260class RegConstraint<string C> {
261  string Constraints = C;
262}
263class NoEncode<string E> {
264  string DisableEncoding = E;
265}
266
267
268//===----------------------------------------------------------------------===//
269// PowerPC Operand Definitions.
270
271def s5imm   : Operand<i32> {
272  let PrintMethod = "printS5ImmOperand";
273}
274def u5imm   : Operand<i32> {
275  let PrintMethod = "printU5ImmOperand";
276}
277def u6imm   : Operand<i32> {
278  let PrintMethod = "printU6ImmOperand";
279}
280def s16imm  : Operand<i32> {
281  let PrintMethod = "printS16ImmOperand";
282}
283def u16imm  : Operand<i32> {
284  let PrintMethod = "printU16ImmOperand";
285}
286def s16immX4  : Operand<i32> {   // Multiply imm by 4 before printing.
287  let PrintMethod = "printS16X4ImmOperand";
288}
289def target : Operand<OtherVT> {
290  let PrintMethod = "printBranchOperand";
291}
292def calltarget : Operand<iPTR> {
293  let PrintMethod = "printCallOperand";
294}
295def aaddr : Operand<iPTR> {
296  let PrintMethod = "printAbsAddrOperand";
297}
298def piclabel: Operand<iPTR> {
299  let PrintMethod = "printPICLabel";
300}
301def symbolHi: Operand<i32> {
302  let PrintMethod = "printSymbolHi";
303}
304def symbolLo: Operand<i32> {
305  let PrintMethod = "printSymbolLo";
306}
307def crbitm: Operand<i8> {
308  let PrintMethod = "printcrbitm";
309}
310// Address operands
311def memri : Operand<iPTR> {
312  let PrintMethod = "printMemRegImm";
313  let MIOperandInfo = (ops i32imm:$imm, ptr_rc:$reg);
314}
315def memrr : Operand<iPTR> {
316  let PrintMethod = "printMemRegReg";
317  let MIOperandInfo = (ops ptr_rc, ptr_rc);
318}
319def memrix : Operand<iPTR> {   // memri where the imm is shifted 2 bits.
320  let PrintMethod = "printMemRegImmShifted";
321  let MIOperandInfo = (ops i32imm:$imm, ptr_rc:$reg);
322}
323def tocentry : Operand<iPTR> {
324  let PrintMethod = "printTOCEntryLabel";
325  let MIOperandInfo = (ops i32imm:$imm);
326}
327
328// PowerPC Predicate operand.  20 = (0<<5)|20 = always, CR0 is a dummy reg
329// that doesn't matter.
330def pred : PredicateOperand<OtherVT, (ops imm, CRRC),
331                                     (ops (i32 20), (i32 zero_reg))> {
332  let PrintMethod = "printPredicateOperand";
333}
334
335// Define PowerPC specific addressing mode.
336def iaddr  : ComplexPattern<iPTR, 2, "SelectAddrImm",    [], []>;
337def xaddr  : ComplexPattern<iPTR, 2, "SelectAddrIdx",    [], []>;
338def xoaddr : ComplexPattern<iPTR, 2, "SelectAddrIdxOnly",[], []>;
339def ixaddr : ComplexPattern<iPTR, 2, "SelectAddrImmShift", [], []>; // "std"
340
341/// This is just the offset part of iaddr, used for preinc.
342def iaddroff : ComplexPattern<iPTR, 1, "SelectAddrImmOffs", [], []>;
343
344//===----------------------------------------------------------------------===//
345// PowerPC Instruction Predicate Definitions.
346def FPContractions : Predicate<"!NoExcessFPPrecision">;
347def In32BitMode  : Predicate<"!PPCSubTarget.isPPC64()">;
348def In64BitMode  : Predicate<"PPCSubTarget.isPPC64()">;
349
350
351//===----------------------------------------------------------------------===//
352// PowerPC Instruction Definitions.
353
354// Pseudo-instructions:
355
356let hasCtrlDep = 1 in {
357let Defs = [R1], Uses = [R1] in {
358def ADJCALLSTACKDOWN : Pseudo<(outs), (ins u16imm:$amt),
359                              "${:comment} ADJCALLSTACKDOWN",
360                              [(callseq_start timm:$amt)]>;
361def ADJCALLSTACKUP   : Pseudo<(outs), (ins u16imm:$amt1, u16imm:$amt2),
362                              "${:comment} ADJCALLSTACKUP",
363                              [(callseq_end timm:$amt1, timm:$amt2)]>;
364}
365
366def UPDATE_VRSAVE    : Pseudo<(outs GPRC:$rD), (ins GPRC:$rS),
367                              "UPDATE_VRSAVE $rD, $rS", []>;
368}
369
370let Defs = [R1], Uses = [R1] in
371def DYNALLOC : Pseudo<(outs GPRC:$result), (ins GPRC:$negsize, memri:$fpsi),
372                       "${:comment} DYNALLOC $result, $negsize, $fpsi",
373                       [(set GPRC:$result,
374                             (PPCdynalloc GPRC:$negsize, iaddr:$fpsi))]>;
375                         
376// SELECT_CC_* - Used to implement the SELECT_CC DAG operation.  Expanded after
377// instruction selection into a branch sequence.
378let usesCustomInserter = 1,    // Expanded after instruction selection.
379    PPC970_Single = 1 in {
380  def SELECT_CC_I4 : Pseudo<(outs GPRC:$dst), (ins CRRC:$cond, GPRC:$T, GPRC:$F,
381                              i32imm:$BROPC), "${:comment} SELECT_CC PSEUDO!",
382                              []>;
383  def SELECT_CC_I8 : Pseudo<(outs G8RC:$dst), (ins CRRC:$cond, G8RC:$T, G8RC:$F,
384                              i32imm:$BROPC), "${:comment} SELECT_CC PSEUDO!",
385                              []>;
386  def SELECT_CC_F4  : Pseudo<(outs F4RC:$dst), (ins CRRC:$cond, F4RC:$T, F4RC:$F,
387                              i32imm:$BROPC), "${:comment} SELECT_CC PSEUDO!",
388                              []>;
389  def SELECT_CC_F8  : Pseudo<(outs F8RC:$dst), (ins CRRC:$cond, F8RC:$T, F8RC:$F,
390                              i32imm:$BROPC), "${:comment} SELECT_CC PSEUDO!",
391                              []>;
392  def SELECT_CC_VRRC: Pseudo<(outs VRRC:$dst), (ins CRRC:$cond, VRRC:$T, VRRC:$F,
393                              i32imm:$BROPC), "${:comment} SELECT_CC PSEUDO!",
394                              []>;
395}
396
397// SPILL_CR - Indicate that we're dumping the CR register, so we'll need to
398// scavenge a register for it.
399def SPILL_CR : Pseudo<(outs), (ins GPRC:$cond, memri:$F),
400                     "${:comment} SPILL_CR $cond $F", []>;
401
402let isTerminator = 1, isBarrier = 1, PPC970_Unit = 7 in {
403  let isReturn = 1, Uses = [LR, RM] in
404    def BLR : XLForm_2_br<19, 16, 0, (outs), (ins pred:$p),
405                          "b${p:cc}lr ${p:reg}", BrB, 
406                          [(retflag)]>;
407  let isBranch = 1, isIndirectBranch = 1, Uses = [CTR] in
408    def BCTR : XLForm_2_ext<19, 528, 20, 0, 0, (outs), (ins), "bctr", BrB, []>;
409}
410
411let Defs = [LR] in
412  def MovePCtoLR : Pseudo<(outs), (ins piclabel:$label), "bl $label", []>,
413                   PPC970_Unit_BRU;
414
415let isBranch = 1, isTerminator = 1, hasCtrlDep = 1, PPC970_Unit = 7 in {
416  let isBarrier = 1 in {
417  def B   : IForm<18, 0, 0, (outs), (ins target:$dst),
418                  "b $dst", BrB,
419                  [(br bb:$dst)]>;
420  }
421
422  // BCC represents an arbitrary conditional branch on a predicate.
423  // FIXME: should be able to write a pattern for PPCcondbranch, but can't use
424  // a two-value operand where a dag node expects two operands. :( 
425  def BCC : BForm<16, 0, 0, (outs), (ins pred:$cond, target:$dst),
426                  "b${cond:cc} ${cond:reg}, $dst"
427                  /*[(PPCcondbranch CRRC:$crS, imm:$opc, bb:$dst)]*/>;
428}
429
430// Darwin ABI Calls.
431let isCall = 1, PPC970_Unit = 7, 
432  // All calls clobber the non-callee saved registers...
433  Defs = [R0,R2,R3,R4,R5,R6,R7,R8,R9,R10,R11,R12,
434          F0,F1,F2,F3,F4,F5,F6,F7,F8,F9,F10,F11,F12,F13,
435          V0,V1,V2,V3,V4,V5,V6,V7,V8,V9,V10,V11,V12,V13,V14,V15,V16,V17,V18,V19,
436          LR,CTR,
437          CR0,CR1,CR5,CR6,CR7,CARRY] in {
438  // Convenient aliases for call instructions
439  let Uses = [RM] in {
440    def BL_Darwin  : IForm<18, 0, 1,
441                           (outs), (ins calltarget:$func, variable_ops), 
442                           "bl $func", BrB, []>;  // See Pat patterns below.
443    def BLA_Darwin : IForm<18, 1, 1, 
444                          (outs), (ins aaddr:$func, variable_ops),
445                          "bla $func", BrB, [(PPCcall_Darwin (i32 imm:$func))]>;
446  }
447  let Uses = [CTR, RM] in {
448    def BCTRL_Darwin : XLForm_2_ext<19, 528, 20, 0, 1, 
449                                  (outs), (ins variable_ops),
450                                  "bctrl", BrB,
451                                  [(PPCbctrl_Darwin)]>, Requires<[In32BitMode]>;
452  }
453}
454
455// SVR4 ABI Calls.
456let isCall = 1, PPC970_Unit = 7, 
457  // All calls clobber the non-callee saved registers...
458  Defs = [R0,R3,R4,R5,R6,R7,R8,R9,R10,R11,R12,
459          F0,F1,F2,F3,F4,F5,F6,F7,F8,F9,F10,F11,F12,F13,
460          V0,V1,V2,V3,V4,V5,V6,V7,V8,V9,V10,V11,V12,V13,V14,V15,V16,V17,V18,V19,
461          LR,CTR,
462          CR0,CR1,CR5,CR6,CR7,CARRY] in {
463  // Convenient aliases for call instructions
464  let Uses = [RM] in {
465    def BL_SVR4  : IForm<18, 0, 1,
466                        (outs), (ins calltarget:$func, variable_ops), 
467                        "bl $func", BrB, []>;  // See Pat patterns below.
468    def BLA_SVR4 : IForm<18, 1, 1,
469                        (outs), (ins aaddr:$func, variable_ops),
470                        "bla $func", BrB,
471                        [(PPCcall_SVR4 (i32 imm:$func))]>;
472  }
473  let Uses = [CTR, RM] in {
474    def BCTRL_SVR4 : XLForm_2_ext<19, 528, 20, 0, 1,
475                                (outs), (ins variable_ops),
476                                "bctrl", BrB,
477                                [(PPCbctrl_SVR4)]>, Requires<[In32BitMode]>;
478  }
479}
480
481
482let isCall = 1, isTerminator = 1, isReturn = 1, isBarrier = 1, Uses = [RM] in
483def TCRETURNdi :Pseudo< (outs),
484                        (ins calltarget:$dst, i32imm:$offset, variable_ops),
485                 "#TC_RETURNd $dst $offset",
486                 []>;
487
488
489let isCall = 1, isTerminator = 1, isReturn = 1, isBarrier = 1, Uses = [RM] in
490def TCRETURNai :Pseudo<(outs), (ins aaddr:$func, i32imm:$offset, variable_ops),
491                 "#TC_RETURNa $func $offset",
492                 [(PPCtc_return (i32 imm:$func), imm:$offset)]>;
493
494let isCall = 1, isTerminator = 1, isReturn = 1, isBarrier = 1, Uses = [RM] in
495def TCRETURNri : Pseudo<(outs), (ins CTRRC:$dst, i32imm:$offset, variable_ops),
496                 "#TC_RETURNr $dst $offset",
497                 []>;
498
499
500let isTerminator = 1, isBarrier = 1, PPC970_Unit = 7, isBranch = 1,
501    isIndirectBranch = 1, isCall = 1, isReturn = 1, Uses = [CTR, RM]  in
502def TAILBCTR : XLForm_2_ext<19, 528, 20, 0, 0, (outs), (ins), "bctr", BrB, []>,
503     Requires<[In32BitMode]>;
504
505
506
507let isBranch = 1, isTerminator = 1, hasCtrlDep = 1, PPC970_Unit = 7,
508    isBarrier = 1, isCall = 1, isReturn = 1, Uses = [RM] in
509def TAILB   : IForm<18, 0, 0, (outs), (ins calltarget:$dst),
510                  "b $dst", BrB,
511                  []>;
512
513
514let isBranch = 1, isTerminator = 1, hasCtrlDep = 1, PPC970_Unit = 7,
515    isBarrier = 1, isCall = 1, isReturn = 1, Uses = [RM] in
516def TAILBA   : IForm<18, 0, 0, (outs), (ins aaddr:$dst),
517                  "ba $dst", BrB,
518                  []>;
519
520
521// DCB* instructions.
522def DCBA   : DCB_Form<758, 0, (outs), (ins memrr:$dst),
523                      "dcba $dst", LdStDCBF, [(int_ppc_dcba xoaddr:$dst)]>,
524                      PPC970_DGroup_Single;
525def DCBF   : DCB_Form<86, 0, (outs), (ins memrr:$dst),
526                      "dcbf $dst", LdStDCBF, [(int_ppc_dcbf xoaddr:$dst)]>,
527                      PPC970_DGroup_Single;
528def DCBI   : DCB_Form<470, 0, (outs), (ins memrr:$dst),
529                      "dcbi $dst", LdStDCBF, [(int_ppc_dcbi xoaddr:$dst)]>,
530                      PPC970_DGroup_Single;
531def DCBST  : DCB_Form<54, 0, (outs), (ins memrr:$dst),
532                      "dcbst $dst", LdStDCBF, [(int_ppc_dcbst xoaddr:$dst)]>,
533                      PPC970_DGroup_Single;
534def DCBT   : DCB_Form<278, 0, (outs), (ins memrr:$dst),
535                      "dcbt $dst", LdStDCBF, [(int_ppc_dcbt xoaddr:$dst)]>,
536                      PPC970_DGroup_Single;
537def DCBTST : DCB_Form<246, 0, (outs), (ins memrr:$dst),
538                      "dcbtst $dst", LdStDCBF, [(int_ppc_dcbtst xoaddr:$dst)]>,
539                      PPC970_DGroup_Single;
540def DCBZ   : DCB_Form<1014, 0, (outs), (ins memrr:$dst),
541                      "dcbz $dst", LdStDCBF, [(int_ppc_dcbz xoaddr:$dst)]>,
542                      PPC970_DGroup_Single;
543def DCBZL  : DCB_Form<1014, 1, (outs), (ins memrr:$dst),
544                      "dcbzl $dst", LdStDCBF, [(int_ppc_dcbzl xoaddr:$dst)]>,
545                      PPC970_DGroup_Single;
546
547// Atomic operations
548let usesCustomInserter = 1 in {
549  let Uses = [CR0] in {
550    def ATOMIC_LOAD_ADD_I8 : Pseudo<
551      (outs GPRC:$dst), (ins memrr:$ptr, GPRC:$incr),
552      "${:comment} ATOMIC_LOAD_ADD_I8 PSEUDO!",
553      [(set GPRC:$dst, (atomic_load_add_8 xoaddr:$ptr, GPRC:$incr))]>;
554    def ATOMIC_LOAD_SUB_I8 : Pseudo<
555      (outs GPRC:$dst), (ins memrr:$ptr, GPRC:$incr),
556      "${:comment} ATOMIC_LOAD_SUB_I8 PSEUDO!",
557      [(set GPRC:$dst, (atomic_load_sub_8 xoaddr:$ptr, GPRC:$incr))]>;
558    def ATOMIC_LOAD_AND_I8 : Pseudo<
559      (outs GPRC:$dst), (ins memrr:$ptr, GPRC:$incr),
560      "${:comment} ATOMIC_LOAD_AND_I8 PSEUDO!",
561      [(set GPRC:$dst, (atomic_load_and_8 xoaddr:$ptr, GPRC:$incr))]>;
562    def ATOMIC_LOAD_OR_I8 : Pseudo<
563      (outs GPRC:$dst), (ins memrr:$ptr, GPRC:$incr),
564      "${:comment} ATOMIC_LOAD_OR_I8 PSEUDO!",
565      [(set GPRC:$dst, (atomic_load_or_8 xoaddr:$ptr, GPRC:$incr))]>;
566    def ATOMIC_LOAD_XOR_I8 : Pseudo<
567      (outs GPRC:$dst), (ins memrr:$ptr, GPRC:$incr),
568      "${:comment} ATOMIC_LOAD_XOR_I8 PSEUDO!",
569      [(set GPRC:$dst, (atomic_load_xor_8 xoaddr:$ptr, GPRC:$incr))]>;
570    def ATOMIC_LOAD_NAND_I8 : Pseudo<
571      (outs GPRC:$dst), (ins memrr:$ptr, GPRC:$incr),
572      "${:comment} ATOMIC_LOAD_NAND_I8 PSEUDO!",
573      [(set GPRC:$dst, (atomic_load_nand_8 xoaddr:$ptr, GPRC:$incr))]>;
574    def ATOMIC_LOAD_ADD_I16 : Pseudo<
575      (outs GPRC:$dst), (ins memrr:$ptr, GPRC:$incr),
576      "${:comment} ATOMIC_LOAD_ADD_I16 PSEUDO!",
577      [(set GPRC:$dst, (atomic_load_add_16 xoaddr:$ptr, GPRC:$incr))]>;
578    def ATOMIC_LOAD_SUB_I16 : Pseudo<
579      (outs GPRC:$dst), (ins memrr:$ptr, GPRC:$incr),
580      "${:comment} ATOMIC_LOAD_SUB_I16 PSEUDO!",
581      [(set GPRC:$dst, (atomic_load_sub_16 xoaddr:$ptr, GPRC:$incr))]>;
582    def ATOMIC_LOAD_AND_I16 : Pseudo<
583      (outs GPRC:$dst), (ins memrr:$ptr, GPRC:$incr),
584      "${:comment} ATOMIC_LOAD_AND_I16 PSEUDO!",
585      [(set GPRC:$dst, (atomic_load_and_16 xoaddr:$ptr, GPRC:$incr))]>;
586    def ATOMIC_LOAD_OR_I16 : Pseudo<
587      (outs GPRC:$dst), (ins memrr:$ptr, GPRC:$incr),
588      "${:comment} ATOMIC_LOAD_OR_I16 PSEUDO!",
589      [(set GPRC:$dst, (atomic_load_or_16 xoaddr:$ptr, GPRC:$incr))]>;
590    def ATOMIC_LOAD_XOR_I16 : Pseudo<
591      (outs GPRC:$dst), (ins memrr:$ptr, GPRC:$incr),
592      "${:comment} ATOMIC_LOAD_XOR_I16 PSEUDO!",
593      [(set GPRC:$dst, (atomic_load_xor_16 xoaddr:$ptr, GPRC:$incr))]>;
594    def ATOMIC_LOAD_NAND_I16 : Pseudo<
595      (outs GPRC:$dst), (ins memrr:$ptr, GPRC:$incr),
596      "${:comment} ATOMIC_LOAD_NAND_I16 PSEUDO!",
597      [(set GPRC:$dst, (atomic_load_nand_16 xoaddr:$ptr, GPRC:$incr))]>;
598    def ATOMIC_LOAD_ADD_I32 : Pseudo<
599      (outs GPRC:$dst), (ins memrr:$ptr, GPRC:$incr),
600      "${:comment} ATOMIC_LOAD_ADD_I32 PSEUDO!",
601      [(set GPRC:$dst, (atomic_load_add_32 xoaddr:$ptr, GPRC:$incr))]>;
602    def ATOMIC_LOAD_SUB_I32 : Pseudo<
603      (outs GPRC:$dst), (ins memrr:$ptr, GPRC:$incr),
604      "${:comment} ATOMIC_LOAD_SUB_I32 PSEUDO!",
605      [(set GPRC:$dst, (atomic_load_sub_32 xoaddr:$ptr, GPRC:$incr))]>;
606    def ATOMIC_LOAD_AND_I32 : Pseudo<
607      (outs GPRC:$dst), (ins memrr:$ptr, GPRC:$incr),
608      "${:comment} ATOMIC_LOAD_AND_I32 PSEUDO!",
609      [(set GPRC:$dst, (atomic_load_and_32 xoaddr:$ptr, GPRC:$incr))]>;
610    def ATOMIC_LOAD_OR_I32 : Pseudo<
611      (outs GPRC:$dst), (ins memrr:$ptr, GPRC:$incr),
612      "${:comment} ATOMIC_LOAD_OR_I32 PSEUDO!",
613      [(set GPRC:$dst, (atomic_load_or_32 xoaddr:$ptr, GPRC:$incr))]>;
614    def ATOMIC_LOAD_XOR_I32 : Pseudo<
615      (outs GPRC:$dst), (ins memrr:$ptr, GPRC:$incr),
616      "${:comment} ATOMIC_LOAD_XOR_I32 PSEUDO!",
617      [(set GPRC:$dst, (atomic_load_xor_32 xoaddr:$ptr, GPRC:$incr))]>;
618    def ATOMIC_LOAD_NAND_I32 : Pseudo<
619      (outs GPRC:$dst), (ins memrr:$ptr, GPRC:$incr),
620      "${:comment} ATOMIC_LOAD_NAND_I32 PSEUDO!",
621      [(set GPRC:$dst, (atomic_load_nand_32 xoaddr:$ptr, GPRC:$incr))]>;
622
623    def ATOMIC_CMP_SWAP_I8 : Pseudo<
624      (outs GPRC:$dst), (ins memrr:$ptr, GPRC:$old, GPRC:$new),
625      "${:comment} ATOMIC_CMP_SWAP_I8 PSEUDO!",
626      [(set GPRC:$dst, 
627                    (atomic_cmp_swap_8 xoaddr:$ptr, GPRC:$old, GPRC:$new))]>;
628    def ATOMIC_CMP_SWAP_I16 : Pseudo<
629      (outs GPRC:$dst), (ins memrr:$ptr, GPRC:$old, GPRC:$new),
630      "${:comment} ATOMIC_CMP_SWAP_I16 PSEUDO!",
631      [(set GPRC:$dst, 
632                    (atomic_cmp_swap_16 xoaddr:$ptr, GPRC:$old, GPRC:$new))]>;
633    def ATOMIC_CMP_SWAP_I32 : Pseudo<
634      (outs GPRC:$dst), (ins memrr:$ptr, GPRC:$old, GPRC:$new),
635      "${:comment} ATOMIC_CMP_SWAP_I32 PSEUDO!",
636      [(set GPRC:$dst, 
637                    (atomic_cmp_swap_32 xoaddr:$ptr, GPRC:$old, GPRC:$new))]>;
638
639    def ATOMIC_SWAP_I8 : Pseudo<
640      (outs GPRC:$dst), (ins memrr:$ptr, GPRC:$new),
641      "${:comment} ATOMIC_SWAP_I8 PSEUDO!",
642      [(set GPRC:$dst, (atomic_swap_8 xoaddr:$ptr, GPRC:$new))]>;
643    def ATOMIC_SWAP_I16 : Pseudo<
644      (outs GPRC:$dst), (ins memrr:$ptr, GPRC:$new),
645      "${:comment} ATOMIC_SWAP_I16 PSEUDO!",
646      [(set GPRC:$dst, (atomic_swap_16 xoaddr:$ptr, GPRC:$new))]>;
647    def ATOMIC_SWAP_I32 : Pseudo<
648      (outs GPRC:$dst), (ins memrr:$ptr, GPRC:$new),
649      "${:comment} ATOMIC_SWAP_I32 PSEUDO!",
650      [(set GPRC:$dst, (atomic_swap_32 xoaddr:$ptr, GPRC:$new))]>;
651  }
652}
653
654// Instructions to support atomic operations
655def LWARX : XForm_1<31,  20, (outs GPRC:$rD), (ins memrr:$src),
656                   "lwarx $rD, $src", LdStLWARX,
657                   [(set GPRC:$rD, (PPClarx xoaddr:$src))]>;
658
659let Defs = [CR0] in
660def STWCX : XForm_1<31, 150, (outs), (ins GPRC:$rS, memrr:$dst),
661                   "stwcx. $rS, $dst", LdStSTWCX,
662                   [(PPCstcx GPRC:$rS, xoaddr:$dst)]>,
663                   isDOT;
664
665let isTerminator = 1, isBarrier = 1, hasCtrlDep = 1 in
666def TRAP  : XForm_24<31, 4, (outs), (ins), "trap", LdStGeneral, [(trap)]>;
667
668//===----------------------------------------------------------------------===//
669// PPC32 Load Instructions.
670//
671
672// Unindexed (r+i) Loads. 
673let canFoldAsLoad = 1, PPC970_Unit = 2 in {
674def LBZ : DForm_1<34, (outs GPRC:$rD), (ins memri:$src),
675                  "lbz $rD, $src", LdStGeneral,
676                  [(set GPRC:$rD, (zextloadi8 iaddr:$src))]>;
677def LHA : DForm_1<42, (outs GPRC:$rD), (ins memri:$src),
678                  "lha $rD, $src", LdStLHA,
679                  [(set GPRC:$rD, (sextloadi16 iaddr:$src))]>,
680                  PPC970_DGroup_Cracked;
681def LHZ : DForm_1<40, (outs GPRC:$rD), (ins memri:$src),
682                  "lhz $rD, $src", LdStGeneral,
683                  [(set GPRC:$rD, (zextloadi16 iaddr:$src))]>;
684def LWZ : DForm_1<32, (outs GPRC:$rD), (ins memri:$src),
685                  "lwz $rD, $src", LdStGeneral,
686                  [(set GPRC:$rD, (load iaddr:$src))]>;
687
688def LFS : DForm_1<48, (outs F4RC:$rD), (ins memri:$src),
689                  "lfs $rD, $src", LdStLFDU,
690                  [(set F4RC:$rD, (load iaddr:$src))]>;
691def LFD : DForm_1<50, (outs F8RC:$rD), (ins memri:$src),
692                  "lfd $rD, $src", LdStLFD,
693                  [(set F8RC:$rD, (load iaddr:$src))]>;
694
695
696// Unindexed (r+i) Loads with Update (preinc).
697let mayLoad = 1 in {
698def LBZU : DForm_1<35, (outs GPRC:$rD, ptr_rc:$ea_result), (ins memri:$addr),
699                   "lbzu $rD, $addr", LdStGeneral,
700                   []>, RegConstraint<"$addr.reg = $ea_result">,
701                   NoEncode<"$ea_result">;
702
703def LHAU : DForm_1<43, (outs GPRC:$rD, ptr_rc:$ea_result), (ins memri:$addr),
704                   "lhau $rD, $addr", LdStGeneral,
705                   []>, RegConstraint<"$addr.reg = $ea_result">,
706                   NoEncode<"$ea_result">;
707
708def LHZU : DForm_1<41, (outs GPRC:$rD, ptr_rc:$ea_result), (ins memri:$addr),
709                   "lhzu $rD, $addr", LdStGeneral,
710                   []>, RegConstraint<"$addr.reg = $ea_result">,
711                   NoEncode<"$ea_result">;
712
713def LWZU : DForm_1<33, (outs GPRC:$rD, ptr_rc:$ea_result), (ins memri:$addr),
714                   "lwzu $rD, $addr", LdStGeneral,
715                   []>, RegConstraint<"$addr.reg = $ea_result">,
716                   NoEncode<"$ea_result">;
717
718def LFSU : DForm_1<49, (outs F4RC:$rD, ptr_rc:$ea_result), (ins memri:$addr),
719                  "lfs $rD, $addr", LdStLFDU,
720                  []>, RegConstraint<"$addr.reg = $ea_result">,
721                   NoEncode<"$ea_result">;
722
723def LFDU : DForm_1<51, (outs F8RC:$rD, ptr_rc:$ea_result), (ins memri:$addr),
724                  "lfd $rD, $addr", LdStLFD,
725                  []>, RegConstraint<"$addr.reg = $ea_result">,
726                   NoEncode<"$ea_result">;
727}
728}
729
730// Indexed (r+r) Loads.
731//
732let canFoldAsLoad = 1, PPC970_Unit = 2 in {
733def LBZX : XForm_1<31,  87, (outs GPRC:$rD), (ins memrr:$src),
734                   "lbzx $rD, $src", LdStGeneral,
735                   [(set GPRC:$rD, (zextloadi8 xaddr:$src))]>;
736def LHAX : XForm_1<31, 343, (outs GPRC:$rD), (ins memrr:$src),
737                   "lhax $rD, $src", LdStLHA,
738                   [(set GPRC:$rD, (sextloadi16 xaddr:$src))]>,
739                   PPC970_DGroup_Cracked;
740def LHZX : XForm_1<31, 279, (outs GPRC:$rD), (ins memrr:$src),
741                   "lhzx $rD, $src", LdStGeneral,
742                   [(set GPRC:$rD, (zextloadi16 xaddr:$src))]>;
743def LWZX : XForm_1<31,  23, (outs GPRC:$rD), (ins memrr:$src),
744                   "lwzx $rD, $src", LdStGeneral,
745                   [(set GPRC:$rD, (load xaddr:$src))]>;
746                   
747                   
748def LHBRX : XForm_1<31, 790, (outs GPRC:$rD), (ins memrr:$src),
749                   "lhbrx $rD, $src", LdStGeneral,
750                   [(set GPRC:$rD, (PPClbrx xoaddr:$src, i16))]>;
751def LWBRX : XForm_1<31,  534, (outs GPRC:$rD), (ins memrr:$src),
752                   "lwbrx $rD, $src", LdStGeneral,
753                   [(set GPRC:$rD, (PPClbrx xoaddr:$src, i32))]>;
754
755def LFSX   : XForm_25<31, 535, (outs F4RC:$frD), (ins memrr:$src),
756                      "lfsx $frD, $src", LdStLFDU,
757                      [(set F4RC:$frD, (load xaddr:$src))]>;
758def LFDX   : XForm_25<31, 599, (outs F8RC:$frD), (ins memrr:$src),
759                      "lfdx $frD, $src", LdStLFDU,
760                      [(set F8RC:$frD, (load xaddr:$src))]>;
761}
762
763//===----------------------------------------------------------------------===//
764// PPC32 Store Instructions.
765//
766
767// Unindexed (r+i) Stores.
768let PPC970_Unit = 2 in {
769def STB  : DForm_1<38, (outs), (ins GPRC:$rS, memri:$src),
770                   "stb $rS, $src", LdStGeneral,
771                   [(truncstorei8 GPRC:$rS, iaddr:$src)]>;
772def STH  : DForm_1<44, (outs), (ins GPRC:$rS, memri:$src),
773                   "sth $rS, $src", LdStGeneral,
774                   [(truncstorei16 GPRC:$rS, iaddr:$src)]>;
775def STW  : DForm_1<36, (outs), (ins GPRC:$rS, memri:$src),
776                   "stw $rS, $src", LdStGeneral,
777                   [(store GPRC:$rS, iaddr:$src)]>;
778def STFS : DForm_1<52, (outs), (ins F4RC:$rS, memri:$dst),
779                   "stfs $rS, $dst", LdStUX,
780                   [(store F4RC:$rS, iaddr:$dst)]>;
781def STFD : DForm_1<54, (outs), (ins F8RC:$rS, memri:$dst),
782                   "stfd $rS, $dst", LdStUX,
783                   [(store F8RC:$rS, iaddr:$dst)]>;
784}
785
786// Unindexed (r+i) Stores with Update (preinc).
787let PPC970_Unit = 2 in {
788def STBU  : DForm_1<39, (outs ptr_rc:$ea_res), (ins GPRC:$rS,
789                             symbolLo:$ptroff, ptr_rc:$ptrreg),
790                    "stbu $rS, $ptroff($ptrreg)", LdStGeneral,
791                    [(set ptr_rc:$ea_res,
792                          (pre_truncsti8 GPRC:$rS, ptr_rc:$ptrreg, 
793                                         iaddroff:$ptroff))]>,
794                    RegConstraint<"$ptrreg = $ea_res">, NoEncode<"$ea_res">;
795def STHU  : DForm_1<45, (outs ptr_rc:$ea_res), (ins GPRC:$rS,
796                             symbolLo:$ptroff, ptr_rc:$ptrreg),
797                    "sthu $rS, $ptroff($ptrreg)", LdStGeneral,
798                    [(set ptr_rc:$ea_res,
799                        (pre_truncsti16 GPRC:$rS, ptr_rc:$ptrreg, 
800                                        iaddroff:$ptroff))]>,
801                    RegConstraint<"$ptrreg = $ea_res">, NoEncode<"$ea_res">;
802def STWU  : DForm_1<37, (outs ptr_rc:$ea_res), (ins GPRC:$rS,
803                             symbolLo:$ptroff, ptr_rc:$ptrreg),
804                    "stwu $rS, $ptroff($ptrreg)", LdStGeneral,
805                    [(set ptr_rc:$ea_res, (pre_store GPRC:$rS, ptr_rc:$ptrreg, 
806                                                     iaddroff:$ptroff))]>,
807                    RegConstraint<"$ptrreg = $ea_res">, NoEncode<"$ea_res">;
808def STFSU : DForm_1<37, (outs ptr_rc:$ea_res), (ins F4RC:$rS,
809                             symbolLo:$ptroff, ptr_rc:$ptrreg),
810                    "stfsu $rS, $ptroff($ptrreg)", LdStGeneral,
811                    [(set ptr_rc:$ea_res, (pre_store F4RC:$rS,  ptr_rc:$ptrreg, 
812                                          iaddroff:$ptroff))]>,
813                    RegConstraint<"$ptrreg = $ea_res">, NoEncode<"$ea_res">;
814def STFDU : DForm_1<37, (outs ptr_rc:$ea_res), (ins F8RC:$rS,
815                             symbolLo:$ptroff, ptr_rc:$ptrreg),
816                    "stfdu $rS, $ptroff($ptrreg)", LdStGeneral,
817                    [(set ptr_rc:$ea_res, (pre_store F8RC:$rS, ptr_rc:$ptrreg, 
818                                          iaddroff:$ptroff))]>,
819                    RegConstraint<"$ptrreg = $ea_res">, NoEncode<"$ea_res">;
820}
821
822
823// Indexed (r+r) Stores.
824//
825let PPC970_Unit = 2 in {
826def STBX  : XForm_8<31, 215, (outs), (ins GPRC:$rS, memrr:$dst),
827                   "stbx $rS, $dst", LdStGeneral,
828                   [(truncstorei8 GPRC:$rS, xaddr:$dst)]>, 
829                   PPC970_DGroup_Cracked;
830def STHX  : XForm_8<31, 407, (outs), (ins GPRC:$rS, memrr:$dst),
831                   "sthx $rS, $dst", LdStGeneral,
832                   [(truncstorei16 GPRC:$rS, xaddr:$dst)]>, 
833                   PPC970_DGroup_Cracked;
834def STWX  : XForm_8<31, 151, (outs), (ins GPRC:$rS, memrr:$dst),
835                   "stwx $rS, $dst", LdStGeneral,
836                   [(store GPRC:$rS, xaddr:$dst)]>,
837                   PPC970_DGroup_Cracked;
838                   
839let mayStore = 1 in {
840def STWUX : XForm_8<31, 183, (outs), (ins GPRC:$rS, GPRC:$rA, GPRC:$rB),
841                   "stwux $rS, $rA, $rB", LdStGeneral,
842                   []>;
843}
844def STHBRX: XForm_8<31, 918, (outs), (ins GPRC:$rS, memrr:$dst),
845                   "sthbrx $rS, $dst", LdStGeneral,
846                   [(PPCstbrx GPRC:$rS, xoaddr:$dst, i16)]>, 
847                   PPC970_DGroup_Cracked;
848def STWBRX: XForm_8<31, 662, (outs), (ins GPRC:$rS, memrr:$dst),
849                   "stwbrx $rS, $dst", LdStGeneral,
850                   [(PPCstbrx GPRC:$rS, xoaddr:$dst, i32)]>,
851                   PPC970_DGroup_Cracked;
852
853def STFIWX: XForm_28<31, 983, (outs), (ins F8RC:$frS, memrr:$dst),
854                     "stfiwx $frS, $dst", LdStUX,
855                     [(PPCstfiwx F8RC:$frS, xoaddr:$dst)]>;
856                     
857def STFSX : XForm_28<31, 663, (outs), (ins F4RC:$frS, memrr:$dst),
858                     "stfsx $frS, $dst", LdStUX,
859                     [(store F4RC:$frS, xaddr:$dst)]>;
860def STFDX : XForm_28<31, 727, (outs), (ins F8RC:$frS, memrr:$dst),
861                     "stfdx $frS, $dst", LdStUX,
862                     [(store F8RC:$frS, xaddr:$dst)]>;
863}
864
865def SYNC : XForm_24_sync<31, 598, (outs), (ins),
866                        "sync", LdStSync,
867                        [(int_ppc_sync)]>;
868
869//===----------------------------------------------------------------------===//
870// PPC32 Arithmetic Instructions.
871//
872
873let PPC970_Unit = 1 in {  // FXU Operations.
874def ADDI   : DForm_2<14, (outs GPRC:$rD), (ins GPRC:$rA, s16imm:$imm),
875                     "addi $rD, $rA, $imm", IntGeneral,
876                     [(set GPRC:$rD, (add GPRC:$rA, immSExt16:$imm))]>;
877let Defs = [CARRY] in {
878def ADDIC  : DForm_2<12, (outs GPRC:$rD), (ins GPRC:$rA, s16imm:$imm),
879                     "addic $rD, $rA, $imm", IntGeneral,
880                     [(set GPRC:$rD, (addc GPRC:$rA, immSExt16:$imm))]>,
881                     PPC970_DGroup_Cracked;
882def ADDICo : DForm_2<13, (outs GPRC:$rD), (ins GPRC:$rA, s16imm:$imm),
883                     "addic. $rD, $rA, $imm", IntGeneral,
884                     []>;
885}
886def ADDIS  : DForm_2<15, (outs GPRC:$rD), (ins GPRC:$rA, symbolHi:$imm),
887                     "addis $rD, $rA, $imm", IntGeneral,
888                     [(set GPRC:$rD, (add GPRC:$rA, imm16ShiftedSExt:$imm))]>;
889def LA     : DForm_2<14, (outs GPRC:$rD), (ins GPRC:$rA, symbolLo:$sym),
890                     "la $rD, $sym($rA)", IntGeneral,
891                     [(set GPRC:$rD, (add GPRC:$rA,
892                                          (PPClo tglobaladdr:$sym, 0)))]>;
893def MULLI  : DForm_2< 7, (outs GPRC:$rD), (ins GPRC:$rA, s16imm:$imm),
894                     "mulli $rD, $rA, $imm", IntMulLI,
895                     [(set GPRC:$rD, (mul GPRC:$rA, immSExt16:$imm))]>;
896let Defs = [CARRY] in {
897def SUBFIC : DForm_2< 8, (outs GPRC:$rD), (ins GPRC:$rA, s16imm:$imm),
898                     "subfic $rD, $rA, $imm", IntGeneral,
899                     [(set GPRC:$rD, (subc immSExt16:$imm, GPRC:$rA))]>;
900}
901
902let isReMaterializable = 1 in {
903  def LI  : DForm_2_r0<14, (outs GPRC:$rD), (ins symbolLo:$imm),
904                       "li $rD, $imm", IntGeneral,
905                       [(set GPRC:$rD, immSExt16:$imm)]>;
906  def LIS : DForm_2_r0<15, (outs GPRC:$rD), (ins symbolHi:$imm),
907                       "lis $rD, $imm", IntGeneral,
908                       [(set GPRC:$rD, imm16ShiftedSExt:$imm)]>;
909}
910}
911
912let PPC970_Unit = 1 in {  // FXU Operations.
913def ANDIo : DForm_4<28, (outs GPRC:$dst), (ins GPRC:$src1, u16imm:$src2),
914                    "andi. $dst, $src1, $src2", IntGeneral,
915                    [(set GPRC:$dst, (and GPRC:$src1, immZExt16:$src2))]>,
916                    isDOT;
917def ANDISo : DForm_4<29, (outs GPRC:$dst), (ins GPRC:$src1, u16imm:$src2),
918                    "andis. $dst, $src1, $src2", IntGeneral,
919                    [(set GPRC:$dst, (and GPRC:$src1,imm16ShiftedZExt:$src2))]>,
920                    isDOT;
921def ORI   : DForm_4<24, (outs GPRC:$dst), (ins GPRC:$src1, u16imm:$src2),
922                    "ori $dst, $src1, $src2", IntGeneral,
923                    [(set GPRC:$dst, (or GPRC:$src1, immZExt16:$src2))]>;
924def ORIS  : DForm_4<25, (outs GPRC:$dst), (ins GPRC:$src1, u16imm:$src2),
925                    "oris $dst, $src1, $src2", IntGeneral,
926                    [(set GPRC:$dst, (or GPRC:$src1, imm16ShiftedZExt:$src2))]>;
927def XORI  : DForm_4<26, (outs GPRC:$dst), (ins GPRC:$src1, u16imm:$src2),
928                    "xori $dst, $src1, $src2", IntGeneral,
929                    [(set GPRC:$dst, (xor GPRC:$src1, immZExt16:$src2))]>;
930def XORIS : DForm_4<27, (outs GPRC:$dst), (ins GPRC:$src1, u16imm:$src2),
931                    "xoris $dst, $src1, $src2", IntGeneral,
932                    [(set GPRC:$dst, (xor GPRC:$src1,imm16ShiftedZExt:$src2))]>;
933def NOP   : DForm_4_zero<24, (outs), (ins), "nop", IntGeneral,
934                         []>;
935def CMPWI : DForm_5_ext<11, (outs CRRC:$crD), (ins GPRC:$rA, s16imm:$imm),
936                        "cmpwi $crD, $rA, $imm", IntCompare>;
937def CMPLWI : DForm_6_ext<10, (outs CRRC:$dst), (ins GPRC:$src1, u16imm:$src2),
938                         "cmplwi $dst, $src1, $src2", IntCompare>;
939}
940
941
942let PPC970_Unit = 1 in {  // FXU Operations.
943def NAND : XForm_6<31, 476, (outs GPRC:$rA), (ins GPRC:$rS, GPRC:$rB),
944                   "nand $rA, $rS, $rB", IntGeneral,
945                   [(set GPRC:$rA, (not (and GPRC:$rS, GPRC:$rB)))]>;
946def AND  : XForm_6<31,  28, (outs GPRC:$rA), (ins GPRC:$rS, GPRC:$rB),
947                   "and $rA, $rS, $rB", IntGeneral,
948                   [(set GPRC:$rA, (and GPRC:$rS, GPRC:$rB))]>;
949def ANDC : XForm_6<31,  60, (outs GPRC:$rA), (ins GPRC:$rS, GPRC:$rB),
950                   "andc $rA, $rS, $rB", IntGeneral,
951                   [(set GPRC:$rA, (and GPRC:$rS, (not GPRC:$rB)))]>;
952def OR   : XForm_6<31, 444, (outs GPRC:$rA), (ins GPRC:$rS, GPRC:$rB),
953                   "or $rA, $rS, $rB", IntGeneral,
954                   [(set GPRC:$rA, (or GPRC:$rS, GPRC:$rB))]>;
955def NOR  : XForm_6<31, 124, (outs GPRC:$rA), (ins GPRC:$rS, GPRC:$rB),
956                   "nor $rA, $rS, $rB", IntGeneral,
957                   [(set GPRC:$rA, (not (or GPRC:$rS, GPRC:$rB)))]>;
958def ORC  : XForm_6<31, 412, (outs GPRC:$rA), (ins GPRC:$rS, GPRC:$rB),
959                   "orc $rA, $rS, $rB", IntGeneral,
960                   [(set GPRC:$rA, (or GPRC:$rS, (not GPRC:$rB)))]>;
961def EQV  : XForm_6<31, 284, (outs GPRC:$rA), (ins GPRC:$rS, GPRC:$rB),
962                   "eqv $rA, $rS, $rB", IntGeneral,
963                   [(set GPRC:$rA, (not (xor GPRC:$rS, GPRC:$rB)))]>;
964def XOR  : XForm_6<31, 316, (outs GPRC:$rA), (ins GPRC:$rS, GPRC:$rB),
965                   "xor $rA, $rS, $rB", IntGeneral,
966                   [(set GPRC:$rA, (xor GPRC:$rS, GPRC:$rB))]>;
967def SLW  : XForm_6<31,  24, (outs GPRC:$rA), (ins GPRC:$rS, GPRC:$rB),
968                   "slw $rA, $rS, $rB", IntGeneral,
969                   [(set GPRC:$rA, (PPCshl GPRC:$rS, GPRC:$rB))]>;
970def SRW  : XForm_6<31, 536, (outs GPRC:$rA), (ins GPRC:$rS, GPRC:$rB),
971                   "srw $rA, $rS, $rB", IntGeneral,
972                   [(set GPRC:$rA, (PPCsrl GPRC:$rS, GPRC:$rB))]>;
973let Defs = [CARRY] in {
974def SRAW : XForm_6<31, 792, (outs GPRC:$rA), (ins GPRC:$rS, GPRC:$rB),
975                   "sraw $rA, $rS, $rB", IntShift,
976                   [(set GPRC:$rA, (PPCsra GPRC:$rS, GPRC:$rB))]>;
977}
978}
979
980let PPC970_Unit = 1 in {  // FXU Operations.
981let Defs = [CARRY] in {
982def SRAWI : XForm_10<31, 824, (outs GPRC:$rA), (ins GPRC:$rS, u5imm:$SH), 
983                     "srawi $rA, $rS, $SH", IntShift,
984                     [(set GPRC:$rA, (sra GPRC:$rS, (i32 imm:$SH)))]>;
985}
986def CNTLZW : XForm_11<31,  26, (outs GPRC:$rA), (ins GPRC:$rS),
987                      "cntlzw $rA, $rS", IntGeneral,
988                      [(set GPRC:$rA, (ctlz GPRC:$rS))]>;
989def EXTSB  : XForm_11<31, 954, (outs GPRC:$rA), (ins GPRC:$rS),
990                      "extsb $rA, $rS", IntGeneral,
991                      [(set GPRC:$rA, (sext_inreg GPRC:$rS, i8))]>;
992def EXTSH  : XForm_11<31, 922, (outs GPRC:$rA), (ins GPRC:$rS),
993                      "extsh $rA, $rS", IntGeneral,
994                      [(set GPRC:$rA, (sext_inreg GPRC:$rS, i16))]>;
995
996def CMPW   : XForm_16_ext<31, 0, (outs CRRC:$crD), (ins GPRC:$rA, GPRC:$rB),
997                          "cmpw $crD, $rA, $rB", IntCompare>;
998def CMPLW  : XForm_16_ext<31, 32, (outs CRRC:$crD), (ins GPRC:$rA, GPRC:$rB),
999                          "cmplw $crD, $rA, $rB", IntCompare>;
1000}
1001let PPC970_Unit = 3 in {  // FPU Operations.
1002//def FCMPO  : XForm_17<63, 32, (outs CRRC:$crD), (ins FPRC:$fA, FPRC:$fB),
1003//                      "fcmpo $crD, $fA, $fB", FPCompare>;
1004def FCMPUS : XForm_17<63, 0, (outs CRRC:$crD), (ins F4RC:$fA, F4RC:$fB),
1005                      "fcmpu $crD, $fA, $fB", FPCompare>;
1006def FCMPUD : XForm_17<63, 0, (outs CRRC:$crD), (ins F8RC:$fA, F8RC:$fB),
1007                      "fcmpu $crD, $fA, $fB", FPCompare>;
1008
1009let Uses = [RM] in {
1010  def FCTIWZ : XForm_26<63, 15, (outs F8RC:$frD), (ins F8RC:$frB),
1011                        "fctiwz $frD, $frB", FPGeneral,
1012                        [(set F8RC:$frD, (PPCfctiwz F8RC:$frB))]>;
1013  def FRSP   : XForm_26<63, 12, (outs F4RC:$frD), (ins F8RC:$frB),
1014                        "frsp $frD, $frB", FPGeneral,
1015                        [(set F4RC:$frD, (fround F8RC:$frB))]>;
1016  def FSQRT  : XForm_26<63, 22, (outs F8RC:$frD), (ins F8RC:$frB),
1017                        "fsqrt $frD, $frB", FPSqrt,
1018                        [(set F8RC:$frD, (fsqrt F8RC:$frB))]>;
1019  def FSQRTS : XForm_26<59, 22, (outs F4RC:$frD), (ins F4RC:$frB),
1020                        "fsqrts $frD, $frB", FPSqrt,
1021                        [(set F4RC:$frD, (fsqrt F4RC:$frB))]>;
1022  }
1023}
1024
1025/// Note that FMR is defined as pseudo-ops on the PPC970 because they are
1026/// often coalesced away and we don't want the dispatch group builder to think
1027/// that they will fill slots (which could cause the load of a LSU reject to
1028/// sneak into a d-group with a store).
1029def FMR   : XForm_26<63, 72, (outs F4RC:$frD), (ins F4RC:$frB),
1030                     "fmr $frD, $frB", FPGeneral,
1031                     []>,  // (set F4RC:$frD, F4RC:$frB)
1032                     PPC970_Unit_Pseudo;
1033
1034let PPC970_Unit = 3 in {  // FPU Operations.
1035// These are artificially split into two different forms, for 4/8 byte FP.
1036def FABSS  : XForm_26<63, 264, (outs F4RC:$frD), (ins F4RC:$frB),
1037                      "fabs $frD, $frB", FPGeneral,
1038                      [(set F4RC:$frD, (fabs F4RC:$frB))]>;
1039def FABSD  : XForm_26<63, 264, (outs F8RC:$frD), (ins F8RC:$frB),
1040                      "fabs $frD, $frB", FPGeneral,
1041                      [(set F8RC:$frD, (fabs F8RC:$frB))]>;
1042def FNABSS : XForm_26<63, 136, (outs F4RC:$frD), (ins F4RC:$frB),
1043                      "fnabs $frD, $frB", FPGeneral,
1044                      [(set F4RC:$frD, (fneg (fabs F4RC:$frB)))]>;
1045def FNABSD : XForm_26<63, 136, (outs F8RC:$frD), (ins F8RC:$frB),
1046                      "fnabs $frD, $frB", FPGeneral,
1047                      [(set F8RC:$frD, (fneg (fabs F8RC:$frB)))]>;
1048def FNEGS  : XForm_26<63, 40, (outs F4RC:$frD), (ins F4RC:$frB),
1049                      "fneg $frD, $frB", FPGeneral,
1050                      [(set F4RC:$frD, (fneg F4RC:$frB))]>;
1051def FNEGD  : XForm_26<63, 40, (outs F8RC:$frD), (ins F8RC:$frB),
1052                      "fneg $frD, $frB", FPGeneral,
1053                      [(set F8RC:$frD, (fneg F8RC:$frB))]>;
1054}
1055                      
1056
1057// XL-Form instructions.  condition register logical ops.
1058//
1059def MCRF   : XLForm_3<19, 0, (outs CRRC:$BF), (ins CRRC:$BFA),
1060                      "mcrf $BF, $BFA", BrMCR>,
1061             PPC970_DGroup_First, PPC970_Unit_CRU;
1062
1063def CREQV  : XLForm_1<19, 289, (outs CRBITRC:$CRD),
1064                               (ins CRBITRC:$CRA, CRBITRC:$CRB),
1065                      "creqv $CRD, $CRA, $CRB", BrCR,
1066                      []>;
1067
1068def CROR  : XLForm_1<19, 449, (outs CRBITRC:$CRD),
1069                               (ins CRBITRC:$CRA, CRBITRC:$CRB),
1070                      "cror $CRD, $CRA, $CRB", BrCR,
1071                      []>;
1072
1073def CRSET  : XLForm_1_ext<19, 289, (outs CRBITRC:$dst), (ins),
1074              "creqv $dst, $dst, $dst", BrCR,
1075              []>;
1076
1077// XFX-Form instructions.  Instructions that deal with SPRs.
1078//
1079let Uses = [CTR] in {
1080def MFCTR : XFXForm_1_ext<31, 339, 9, (outs GPRC:$rT), (ins),
1081                          "mfctr $rT", SprMFSPR>,
1082            PPC970_DGroup_First, PPC970_Unit_FXU;
1083}
1084let Defs = [CTR], Pattern = [(PPCmtctr GPRC:$rS)] in {
1085def MTCTR : XFXForm_7_ext<31, 467, 9, (outs), (ins GPRC:$rS),
1086                          "mtctr $rS", SprMTSPR>,
1087            PPC970_DGroup_First, PPC970_Unit_FXU;
1088}
1089
1090let Defs = [LR] in {
1091def MTLR  : XFXForm_7_ext<31, 467, 8, (outs), (ins GPRC:$rS),
1092                          "mtlr $rS", SprMTSPR>,
1093            PPC970_DGroup_First, PPC970_Unit_FXU;
1094}
1095let Uses = [LR] in {
1096def MFLR  : XFXForm_1_ext<31, 339, 8, (outs GPRC:$rT), (ins),
1097                          "mflr $rT", SprMFSPR>,
1098            PPC970_DGroup_First, PPC970_Unit_FXU;
1099}
1100
1101// Move to/from VRSAVE: despite being a SPR, the VRSAVE register is renamed like
1102// a GPR on the PPC970.  As such, copies in and out have the same performance
1103// characteristics as an OR instruction.
1104def MTVRSAVE : XFXForm_7_ext<31, 467, 256, (outs), (ins GPRC:$rS),
1105                             "mtspr 256, $rS", IntGeneral>,
1106               PPC970_DGroup_Single, PPC970_Unit_FXU;
1107def MFVRSAVE : XFXForm_1_ext<31, 339, 256, (outs GPRC:$rT), (ins),
1108                             "mfspr $rT, 256", IntGeneral>,
1109               PPC970_DGroup_First, PPC970_Unit_FXU;
1110
1111def MTCRF : XFXForm_5<31, 144, (outs), (ins crbitm:$FXM, GPRC:$rS),
1112                      "mtcrf $FXM, $rS", BrMCRX>,
1113            PPC970_MicroCode, PPC970_Unit_CRU;
1114
1115// This is a pseudo for MFCR, which implicitly uses all 8 of its subregisters;
1116// declaring that here gives the local register allocator problems with this:
1117//  vreg = MCRF  CR0
1118//  MFCR  <kill of whatever preg got assigned to vreg>
1119// while not declaring it breaks DeadMachineInstructionElimination.
1120// As it turns out, in all cases where we currently use this,
1121// we're only interested in one subregister of it.  Represent this in the
1122// instruction to keep the register allocator from becoming confused.
1123def MFCRpseud: XFXForm_3<31, 19, (outs GPRC:$rT), (ins crbitm:$FXM),
1124                       "mfcr $rT ${:comment} $FXM", SprMFCR>,
1125            PPC970_MicroCode, PPC970_Unit_CRU;
1126def MFOCRF: XFXForm_5a<31, 19, (outs GPRC:$rT), (ins crbitm:$FXM),
1127                       "mfcr $rT, $FXM", SprMFCR>,
1128            PPC970_DGroup_First, PPC970_Unit_CRU;
1129
1130// Instructions to manipulate FPSCR.  Only long double handling uses these.
1131// FPSCR is not modelled; we use the SDNode Flag to keep things in order.
1132
1133let Uses = [RM], Defs = [RM] in { 
1134  def MTFSB0 : XForm_43<63, 70, (outs), (ins u5imm:$FM),
1135                         "mtfsb0 $FM", IntMTFSB0,
1136                        [(PPCmtfsb0 (i32 imm:$FM))]>,
1137               PPC970_DGroup_Single, PPC970_Unit_FPU;
1138  def MTFSB1 : XForm_43<63, 38, (outs), (ins u5imm:$FM),
1139                         "mtfsb1 $FM", IntMTFSB0,
1140                        [(PPCmtfsb1 (i32 imm:$FM))]>,
1141               PPC970_DGroup_Single, PPC970_Unit_FPU;
1142  // MTFSF does not actually produce an FP result.  We pretend it copies
1143  // input reg B to the output.  If we didn't do this it would look like the
1144  // instruction had no outputs (because we aren't modelling the FPSCR) and
1145  // it would be deleted.
1146  def MTFSF  : XFLForm<63, 711, (outs F8RC:$FRA),
1147                                (ins i32imm:$FM, F8RC:$rT, F8RC:$FRB),
1148                         "mtfsf $FM, $rT", "$FRB = $FRA", IntMTFSB0,
1149                         [(set F8RC:$FRA, (PPCmtfsf (i32 imm:$FM), 
1150                                                     F8RC:$rT, F8RC:$FRB))]>,
1151               PPC970_DGroup_Single, PPC970_Unit_FPU;
1152}
1153let Uses = [RM] in {
1154  def MFFS   : XForm_42<63, 583, (outs F8RC:$rT), (ins), 
1155                         "mffs $rT", IntMFFS,
1156                         [(set F8RC:$rT, (PPCmffs))]>,
1157               PPC970_DGroup_Single, PPC970_Unit_FPU;
1158  def FADDrtz: AForm_2<63, 21,
1159                      (outs F8RC:$FRT), (ins F8RC:$FRA, F8RC:$FRB),
1160                      "fadd $FRT, $FRA, $FRB", FPGeneral,
1161                      [(set F8RC:$FRT, (PPCfaddrtz F8RC:$FRA, F8RC:$FRB))]>,
1162               PPC970_DGroup_Single, PPC970_Unit_FPU;
1163}
1164
1165
1166let PPC970_Unit = 1 in {  // FXU Operations.
1167
1168// XO-Form instructions.  Arithmetic instructions that can set overflow bit
1169//
1170def ADD4  : XOForm_1<31, 266, 0, (outs GPRC:$rT), (ins GPRC:$rA, GPRC:$rB),
1171                     "add $rT, $rA, $rB", IntGeneral,
1172                     [(set GPRC:$rT, (add GPRC:$rA, GPRC:$rB))]>;
1173let Defs = [CARRY] in {
1174def ADDC  : XOForm_1<31, 10, 0, (outs GPRC:$rT), (ins GPRC:$rA, GPRC:$rB),
1175                     "addc $rT, $rA, $rB", IntGeneral,
1176                     [(set GPRC:$rT, (addc GPRC:$rA, GPRC:$rB))]>,
1177                     PPC970_DGroup_Cracked;
1178}
1179def DIVW  : XOForm_1<31, 491, 0, (outs GPRC:$rT), (ins GPRC:$rA, GPRC:$rB),
1180                     "divw $rT, $rA, $rB", IntDivW,
1181                     [(set GPRC:$rT, (sdiv GPRC:$rA, GPRC:$rB))]>,
1182                     PPC970_DGroup_First, PPC970_DGroup_Cracked;
1183def DIVWU : XOForm_1<31, 459, 0, (outs GPRC:$rT), (ins GPRC:$rA, GPRC:$rB),
1184                     "divwu $rT, $rA, $rB", IntDivW,
1185                     [(set GPRC:$rT, (udiv GPRC:$rA, GPRC:$rB))]>,
1186                     PPC970_DGroup_First, PPC970_DGroup_Cracked;
1187def MULHW : XOForm_1<31, 75, 0, (outs GPRC:$rT), (ins GPRC:$rA, GPRC:$rB),
1188                     "mulhw $rT, $rA, $rB", IntMulHW,
1189                     [(set GPRC:$rT, (mulhs GPRC:$rA, GPRC:$rB))]>;
1190def MULHWU : XOForm_1<31, 11, 0, (outs GPRC:$rT), (ins GPRC:$rA, GPRC:$rB),
1191                     "mulhwu $rT, $rA, $rB", IntMulHWU,
1192                     [(set GPRC:$rT, (mulhu GPRC:$rA, GPRC:$rB))]>;
1193def MULLW : XOForm_1<31, 235, 0, (outs GPRC:$rT), (ins GPRC:$rA, GPRC:$rB),
1194                     "mullw $rT, $rA, $rB", IntMulHW,
1195                     [(set GPRC:$rT, (mul GPRC:$rA, GPRC:$rB))]>;
1196def SUBF  : XOForm_1<31, 40, 0, (outs GPRC:$rT), (ins GPRC:$rA, GPRC:$rB),
1197                     "subf $rT, $rA, $rB", IntGeneral,
1198                     [(set GPRC:$rT, (sub GPRC:$rB, GPRC:$rA))]>;
1199let Defs = [CARRY] in {
1200def SUBFC : XOForm_1<31, 8, 0, (outs GPRC:$rT), (ins GPRC:$rA, GPRC:$rB),
1201                     "subfc $rT, $rA, $rB", IntGeneral,
1202                     [(set GPRC:$rT, (subc GPRC:$rB, GPRC:$rA))]>,
1203                     PPC970_DGroup_Cracked;
1204}
1205def NEG    : XOForm_3<31, 104, 0, (outs GPRC:$rT), (ins GPRC:$rA),
1206                      "neg $rT, $rA", IntGeneral,
1207                      [(set GPRC:$rT, (ineg GPRC:$rA))]>;
1208let Uses = [CARRY], Defs = [CARRY] in {
1209def ADDE  : XOForm_1<31, 138, 0, (outs GPRC:$rT), (ins GPRC:$rA, GPRC:$rB),
1210                      "adde $rT, $rA, $rB", IntGeneral,
1211                      [(set GPRC:$rT, (adde GPRC:$rA, GPRC:$rB))]>;
1212def ADDME  : XOForm_3<31, 234, 0, (outs GPRC:$rT), (ins GPRC:$rA),
1213                      "addme $rT, $rA", IntGeneral,
1214                      [(set GPRC:$rT, (adde GPRC:$rA, -1))]>;
1215def ADDZE  : XOForm_3<31, 202, 0, (outs GPRC:$rT), (ins GPRC:$rA),
1216                      "addze $rT, $rA", IntGeneral,
1217                      [(set GPRC:$rT, (adde GPRC:$rA, 0))]>;
1218def SUBFE : XOForm_1<31, 136, 0, (outs GPRC:$rT), (ins GPRC:$rA, GPRC:$rB),
1219                      "subfe $rT, $rA, $rB", IntGeneral,
1220                      [(set GPRC:$rT, (sube GPRC:$rB, GPRC:$rA))]>;
1221def SUBFME : XOForm_3<31, 232, 0, (outs GPRC:$rT), (ins GPRC:$rA),
1222                      "subfme $rT, $rA", IntGeneral,
1223                      [(set GPRC:$rT, (sube -1, GPRC:$rA))]>;
1224def SUBFZE : XOForm_3<31, 200, 0, (outs GPRC:$rT), (ins GPRC:$rA),
1225                      "subfze $rT, $rA", IntGeneral,
1226                      [(set GPRC:$rT, (sube 0, GPRC:$rA))]>;
1227}
1228}
1229
1230// A-Form instructions.  Most of the instructions executed in the FPU are of
1231// this type.
1232//
1233let PPC970_Unit = 3 in {  // FPU Operations.
1234let Uses = [RM] in {
1235  def FMADD : AForm_1<63, 29, 
1236                      (outs F8RC:$FRT), (ins F8RC:$FRA, F8RC:$FRC, F8RC:$FRB),
1237                      "fmadd $FRT, $FRA, $FRC, $FRB", FPFused,
1238                      [(set F8RC:$FRT, (fadd (fmul F8RC:$FRA, F8RC:$FRC),
1239                                             F8RC:$FRB))]>,
1240                      Requires<[FPContractions]>;
1241  def FMADDS : AForm_1<59, 29,
1242                      (outs F4RC:$FRT), (ins F4RC:$FRA, F4RC:$FRC, F4RC:$FRB),
1243                      "fmadds $FRT, $FRA, $FRC, $FRB", FPGeneral,
1244                      [(set F4RC:$FRT, (fadd (fmul F4RC:$FRA, F4RC:$FRC),
1245                                             F4RC:$FRB))]>,
1246                      Requires<[FPContractions]>;
1247  def FMSUB : AForm_1<63, 28,
1248                      (outs F8RC:$FRT), (ins F8RC:$FRA, F8RC:$FRC, F8RC:$FRB),
1249                      "fmsub $FRT, $FRA, $FRC, $FRB", FPFused,
1250                      [(set F8RC:$FRT, (fsub (fmul F8RC:$FRA, F8RC:$FRC),
1251                                             F8RC:$FRB))]>,
1252                      Requires<[FPContractions]>;
1253  def FMSUBS : AForm_1<59, 28,
1254                      (outs F4RC:$FRT), (ins F4RC:$FRA, F4RC:$FRC, F4RC:$FRB),
1255                      "fmsubs $FRT, $FRA, $FRC, $FRB", FPGeneral,
1256                      [(set F4RC:$FRT, (fsub (fmul F4RC:$FRA, F4RC:$FRC),
1257                                             F4RC:$FRB))]>,
1258                      Requires<[FPContractions]>;
1259  def FNMADD : AForm_1<63, 31,
1260                      (outs F8RC:$FRT), (ins F8RC:$FRA, F8RC:$FRC, F8RC:$FRB),
1261                      "fnmadd $FRT, $FRA, $FRC, $FRB", FPFused,
1262                      [(set F8RC:$FRT, (fneg (fadd (fmul F8RC:$FRA, F8RC:$FRC),
1263                                                   F8RC:$FRB)))]>,
1264                      Requires<[FPContractions]>;
1265  def FNMADDS : AForm_1<59, 31,
1266                      (outs F4RC:$FRT), (ins F4RC:$FRA, F4RC:$FRC, F4RC:$FRB),
1267                      "fnmadds $FRT, $FRA, $FRC, $FRB", FPGeneral,
1268                      [(set F4RC:$FRT, (fneg (fadd (fmul F4RC:$FRA, F4RC:$FRC),
1269                                                   F4RC:$FRB)))]>,
1270                      Requires<[FPContractions]>;
1271  def FNMSUB : AForm_1<63, 30,
1272                      (outs F8RC:$FRT), (ins F8RC:$FRA, F8RC:$FRC, F8RC:$FRB),
1273                      "fnmsub $FRT, $FRA, $FRC, $FRB", FPFused,
1274                      [(set F8RC:$FRT, (fneg (fsub (fmul F8RC:$FRA, F8RC:$FRC),
1275                                                   F8RC:$FRB)))]>,
1276                      Requires<[FPContractions]>;
1277  def FNMSUBS : AForm_1<59, 30,
1278                      (outs F4RC:$FRT), (ins F4RC:$FRA, F4RC:$FRC, F4RC:$FRB),
1279                      "fnmsubs $FRT, $FRA, $FRC, $FRB", FPGeneral,
1280                      [(set F4RC:$FRT, (fneg (fsub (fmul F4RC:$FRA, F4RC:$FRC),
1281                                                   F4RC:$FRB)))]>,
1282                      Requires<[FPContractions]>;
1283}
1284// FSEL is artificially split into 4 and 8-byte forms for the result.  To avoid
1285// having 4 of these, force the comparison to always be an 8-byte double (code
1286// should use an FMRSD if the input comparison value really wants to be a float)
1287// and 4/8 byte forms for the result and operand type..
1288def FSELD : AForm_1<63, 23,
1289                    (outs F8RC:$FRT), (ins F8RC:$FRA, F8RC:$FRC, F8RC:$FRB),
1290                    "fsel $FRT, $FRA, $FRC, $FRB", FPGeneral,
1291                    [(set F8RC:$FRT, (PPCfsel F8RC:$FRA,F8RC:$FRC,F8RC:$FRB))]>;
1292def FSELS : AForm_1<63, 23,
1293                     (outs F4RC:$FRT), (ins F8RC:$FRA, F4RC:$FRC, F4RC:$FRB),
1294                     "fsel $FRT, $FRA, $FRC, $FRB", FPGeneral,
1295                    [(set F4RC:$FRT, (PPCfsel F8RC:$FRA,F4RC:$FRC,F4RC:$FRB))]>;
1296let Uses = [RM] in {
1297  def FADD  : AForm_2<63, 21,
1298                      (outs F8RC:$FRT), (ins F8RC:$FRA, F8RC:$FRB),
1299                      "fadd $FRT, $FRA, $FRB", FPGeneral,
1300                      [(set F8RC:$FRT, (fadd F8RC:$FRA, F8RC:$FRB))]>;
1301  def FADDS : AForm_2<59, 21,
1302                      (outs F4RC:$FRT), (ins F4RC:$FRA, F4RC:$FRB),
1303                      "fadds $FRT, $FRA, $FRB", FPGeneral,
1304                      [(set F4RC:$FRT, (fadd F4RC:$FRA, F4RC:$FRB))]>;
1305  def FDIV  : AForm_2<63, 18,
1306                      (outs F8RC:$FRT), (ins F8RC:$FRA, F8RC:$FRB),
1307                      "fdiv $FRT, $FRA, $FRB", FPDivD,
1308                      [(set F8RC:$FRT, (fdiv F8RC:$FRA, F8RC:$FRB))]>;
1309  def FDIVS : AForm_2<59, 18,
1310                      (outs F4RC:$FRT), (ins F4RC:$FRA, F4RC:$FRB),
1311                      "fdivs $FRT, $FRA, $FRB", FPDivS,
1312                      [(set F4RC:$FRT, (fdiv F4RC:$FRA, F4RC:$FRB))]>;
1313  def FMUL  : AForm_3<63, 25,
1314                      (outs F8RC:$FRT), (ins F8RC:$FRA, F8RC:$FRB),
1315                      "fmul $FRT, $FRA, $FRB", FPFused,
1316                      [(set F8RC:$FRT, (fmul F8RC:$FRA, F8RC:$FRB))]>;
1317  def FMULS : AForm_3<59, 25,
1318                      (outs F4RC:$FRT), (ins F4RC:$FRA, F4RC:$FRB),
1319                      "fmuls $FRT, $FRA, $FRB", FPGeneral,
1320                      [(set F4RC:$FRT, (fmul F4RC:$FRA, F4RC:$FRB))]>;
1321  def FSUB  : AForm_2<63, 20,
1322                      (outs F8RC:$FRT), (ins F8RC:$FRA, F8RC:$FRB),
1323                      "fsub $FRT, $FRA, $FRB", FPGeneral,
1324                      [(set F8RC:$FRT, (fsub F8RC:$FRA, F8RC:$FRB))]>;
1325  def FSUBS : AForm_2<59, 20,
1326                      (outs F4RC:$FRT), (ins F4RC:$FRA, F4RC:$FRB),
1327                      "fsubs $FRT, $FRA, $FRB", FPGeneral,
1328                      [(set F4RC:$FRT, (fsub F4RC:$FRA, F4RC:$FRB))]>;
1329  }
1330}
1331
1332let PPC970_Unit = 1 in {  // FXU Operations.
1333// M-Form instructions.  rotate and mask instructions.
1334//
1335let isCommutable = 1 in {
1336// RLWIMI can be commuted if the rotate amount is zero.
1337def RLWIMI : MForm_2<20,
1338                     (outs GPRC:$rA), (ins GPRC:$rSi, GPRC:$rS, u5imm:$SH, u5imm:$MB, 
1339                      u5imm:$ME), "rlwimi $rA, $rS, $SH, $MB, $ME", IntRotate,
1340                      []>, PPC970_DGroup_Cracked, RegConstraint<"$rSi = $rA">,
1341                      NoEncode<"$rSi">;
1342}
1343def RLWINM : MForm_2<21,
1344                     (outs GPRC:$rA), (ins GPRC:$rS, u5imm:$SH, u5imm:$MB, u5imm:$ME),
1345                     "rlwinm $rA, $rS, $SH, $MB, $ME", IntGeneral,
1346                     []>;
1347def RLWINMo : MForm_2<21,
1348                     (outs GPRC:$rA), (ins GPRC:$rS, u5imm:$SH, u5imm:$MB, u5imm:$ME),
1349                     "rlwinm. $rA, $rS, $SH, $MB, $ME", IntGeneral,
1350                     []>, isDOT, PPC970_DGroup_Cracked;
1351def RLWNM  : MForm_2<23,
1352                     (outs GPRC:$rA), (ins GPRC:$rS, GPRC:$rB, u5imm:$MB, u5imm:$ME),
1353                     "rlwnm $rA, $rS, $rB, $MB, $ME", IntGeneral,
1354                     []>;
1355}
1356
1357
1358//===----------------------------------------------------------------------===//
1359// PowerPC Instruction Patterns
1360//
1361
1362// Arbitrary immediate support.  Implement in terms of LIS/ORI.
1363def : Pat<(i32 imm:$imm),
1364          (ORI (LIS (HI16 imm:$imm)), (LO16 imm:$imm))>;
1365
1366// Implement the 'not' operation with the NOR instruction.
1367def NOT : Pat<(not GPRC:$in),
1368              (NOR GPRC:$in, GPRC:$in)>;
1369
1370// ADD an arbitrary immediate.
1371def : Pat<(add GPRC:$in, imm:$imm),
1372          (ADDIS (ADDI GPRC:$in, (LO16 imm:$imm)), (HA16 imm:$imm))>;
1373// OR an arbitrary immediate.
1374def : Pat<(or GPRC:$in, imm:$imm),
1375          (ORIS (ORI GPRC:$in, (LO16 imm:$imm)), (HI16 imm:$imm))>;
1376// XOR an arbitrary immediate.
1377def : Pat<(xor GPRC:$in, imm:$imm),
1378          (XORIS (XORI GPRC:$in, (LO16 imm:$imm)), (HI16 imm:$imm))>;
1379// SUBFIC
1380def : Pat<(sub  immSExt16:$imm, GPRC:$in),
1381          (SUBFIC GPRC:$in, imm:$imm)>;
1382
1383// SHL/SRL
1384def : Pat<(shl GPRC:$in, (i32 imm:$imm)),
1385          (RLWINM GPRC:$in, imm:$imm, 0, (SHL32 imm:$imm))>;
1386def : Pat<(srl GPRC:$in, (i32 imm:$imm)),
1387          (RLWINM GPRC:$in, (SRL32 imm:$imm), imm:$imm, 31)>;
1388
1389// ROTL
1390def : Pat<(rotl GPRC:$in, GPRC:$sh),
1391          (RLWNM GPRC:$in, GPRC:$sh, 0, 31)>;
1392def : Pat<(rotl GPRC:$in, (i32 imm:$imm)),
1393          (RLWINM GPRC:$in, imm:$imm, 0, 31)>;
1394
1395// RLWNM
1396def : Pat<(and (rotl GPRC:$in, GPRC:$sh), maskimm32:$imm),
1397          (RLWNM GPRC:$in, GPRC:$sh, (MB maskimm32:$imm), (ME maskimm32:$imm))>;
1398
1399// Calls
1400def : Pat<(PPCcall_Darwin (i32 tglobaladdr:$dst)),
1401          (BL_Darwin tglobaladdr:$dst)>;
1402def : Pat<(PPCcall_Darwin (i32 texternalsym:$dst)),
1403          (BL_Darwin texternalsym:$dst)>;
1404def : Pat<(PPCcall_SVR4 (i32 tglobaladdr:$dst)),
1405          (BL_SVR4 tglobaladdr:$dst)>;
1406def : Pat<(PPCcall_SVR4 (i32 texternalsym:$dst)),
1407          (BL_SVR4 texternalsym:$dst)>;
1408
1409
1410def : Pat<(PPCtc_return (i32 tglobaladdr:$dst),  imm:$imm),
1411          (TCRETURNdi tglobaladdr:$dst, imm:$imm)>;
1412
1413def : Pat<(PPCtc_return (i32 texternalsym:$dst), imm:$imm),
1414          (TCRETURNdi texternalsym:$dst, imm:$imm)>;
1415
1416def : Pat<(PPCtc_return CTRRC:$dst, imm:$imm),
1417          (TCRETURNri CTRRC:$dst, imm:$imm)>;
1418
1419
1420
1421// Hi and Lo for Darwin Global Addresses.
1422def : Pat<(PPChi tglobaladdr:$in, 0), (LIS tglobaladdr:$in)>;
1423def : Pat<(PPClo tglobaladdr:$in, 0), (LI tglobaladdr:$in)>;
1424def : Pat<(PPChi tconstpool:$in, 0), (LIS tconstpool:$in)>;
1425def : Pat<(PPClo tconstpool:$in, 0), (LI tconstpool:$in)>;
1426def : Pat<(PPChi tjumptable:$in, 0), (LIS tjumptable:$in)>;
1427def : Pat<(PPClo tjumptable:$in, 0), (LI tjumptable:$in)>;
1428def : Pat<(PPChi tblockaddress:$in, 0), (LIS tblockaddress:$in)>;
1429def : Pat<(PPClo tblockaddress:$in, 0), (LI tblockaddress:$in)>;
1430def : Pat<(add GPRC:$in, (PPChi tglobaladdr:$g, 0)),
1431          (ADDIS GPRC:$in, tglobaladdr:$g)>;
1432def : Pat<(add GPRC:$in, (PPChi tconstpool:$g, 0)),
1433          (ADDIS GPRC:$in, tconstpool:$g)>;
1434def : Pat<(add GPRC:$in, (PPChi tjumptable:$g, 0)),
1435          (ADDIS GPRC:$in, tjumptable:$g)>;
1436def : Pat<(add GPRC:$in, (PPChi tblockaddress:$g, 0)),
1437          (ADDIS GPRC:$in, tblockaddress:$g)>;
1438
1439// Fused negative multiply subtract, alternate pattern
1440def : Pat<(fsub F8RC:$B, (fmul F8RC:$A, F8RC:$C)),
1441          (FNMSUB F8RC:$A, F8RC:$C, F8RC:$B)>,
1442          Requires<[FPContractions]>;
1443def : Pat<(fsub F4RC:$B, (fmul F4RC:$A, F4RC:$C)),
1444          (FNMSUBS F4RC:$A, F4RC:$C, F4RC:$B)>,
1445          Requires<[FPContractions]>;
1446
1447// Standard shifts.  These are represented separately from the real shifts above
1448// so that we can distinguish between shifts that allow 5-bit and 6-bit shift
1449// amounts.
1450def : Pat<(sra GPRC:$rS, GPRC:$rB),
1451          (SRAW GPRC:$rS, GPRC:$rB)>;
1452def : Pat<(srl GPRC:$rS, GPRC:$rB),
1453          (SRW GPRC:$rS, GPRC:$rB)>;
1454def : Pat<(shl GPRC:$rS, GPRC:$rB),
1455          (SLW GPRC:$rS, GPRC:$rB)>;
1456
1457def : Pat<(zextloadi1 iaddr:$src),
1458          (LBZ iaddr:$src)>;
1459def : Pat<(zextloadi1 xaddr:$src),
1460          (LBZX xaddr:$src)>;
1461def : Pat<(extloadi1 iaddr:$src),
1462          (LBZ iaddr:$src)>;
1463def : Pat<(extloadi1 xaddr:$src),
1464          (LBZX xaddr:$src)>;
1465def : Pat<(extloadi8 iaddr:$src),
1466          (LBZ iaddr:$src)>;
1467def : Pat<(extloadi8 xaddr:$src),
1468          (LBZX xaddr:$src)>;
1469def : Pat<(extloadi16 iaddr:$src),
1470          (LHZ iaddr:$src)>;
1471def : Pat<(extloadi16 xaddr:$src),
1472          (LHZX xaddr:$src)>;
1473def : Pat<(f64 (extloadf32 iaddr:$src)),
1474          (COPY_TO_REGCLASS (LFS iaddr:$src), F8RC)>;
1475def : Pat<(f64 (extloadf32 xaddr:$src)),
1476          (COPY_TO_REGCLASS (LFSX xaddr:$src), F8RC)>;
1477
1478def : Pat<(f64 (fextend F4RC:$src)),
1479          (COPY_TO_REGCLASS F4RC:$src, F8RC)>;
1480
1481// Memory barriers
1482def : Pat<(membarrier (i32 imm /*ll*/),
1483                      (i32 imm /*ls*/),
1484                      (i32 imm /*sl*/),
1485                      (i32 imm /*ss*/),
1486                      (i32 imm /*device*/)),
1487           (SYNC)>;
1488
1489include "PPCInstrAltivec.td"
1490include "PPCInstr64Bit.td"
1491