PPCInstrInfo.td revision 198953
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]>;
115def PPCcall_SVR4  : SDNode<"PPCISD::CALL_SVR4", SDT_PPCCall,
116                           [SDNPHasChain, SDNPOptInFlag, SDNPOutFlag]>;
117def PPCnop : SDNode<"PPCISD::NOP", SDT_PPCnop, [SDNPInFlag, SDNPOutFlag]>;
118def PPCmtctr      : SDNode<"PPCISD::MTCTR", SDT_PPCCall,
119                           [SDNPHasChain, SDNPOptInFlag, SDNPOutFlag]>;
120def PPCbctrl_Darwin  : SDNode<"PPCISD::BCTRL_Darwin", SDTNone,
121                              [SDNPHasChain, SDNPOptInFlag, SDNPOutFlag]>;
122
123def PPCbctrl_SVR4  : SDNode<"PPCISD::BCTRL_SVR4", SDTNone,
124                            [SDNPHasChain, SDNPOptInFlag, SDNPOutFlag]>;
125
126def retflag       : SDNode<"PPCISD::RET_FLAG", SDTNone,
127                           [SDNPHasChain, SDNPOptInFlag]>;
128
129def PPCtc_return : SDNode<"PPCISD::TC_RETURN", SDT_PPCTC_ret,
130                        [SDNPHasChain,  SDNPOptInFlag]>;
131
132def PPCvcmp       : SDNode<"PPCISD::VCMP" , SDT_PPCvcmp, []>;
133def PPCvcmp_o     : SDNode<"PPCISD::VCMPo", SDT_PPCvcmp, [SDNPOutFlag]>;
134
135def PPCcondbranch : SDNode<"PPCISD::COND_BRANCH", SDT_PPCcondbr,
136                           [SDNPHasChain, SDNPOptInFlag]>;
137
138def PPClbrx       : SDNode<"PPCISD::LBRX", SDT_PPClbrx,
139                           [SDNPHasChain, SDNPMayLoad]>;
140def PPCstbrx      : SDNode<"PPCISD::STBRX", SDT_PPCstbrx,
141                           [SDNPHasChain, SDNPMayStore]>;
142
143// Instructions to support atomic operations
144def PPClarx      : SDNode<"PPCISD::LARX", SDT_PPClarx,
145                          [SDNPHasChain, SDNPMayLoad]>;
146def PPCstcx      : SDNode<"PPCISD::STCX", SDT_PPCstcx,
147                          [SDNPHasChain, SDNPMayStore]>;
148
149// Instructions to support dynamic alloca.
150def SDTDynOp  : SDTypeProfile<1, 2, []>;
151def PPCdynalloc   : SDNode<"PPCISD::DYNALLOC", SDTDynOp, [SDNPHasChain]>;
152
153//===----------------------------------------------------------------------===//
154// PowerPC specific transformation functions and pattern fragments.
155//
156
157def SHL32 : SDNodeXForm<imm, [{
158  // Transformation function: 31 - imm
159  return getI32Imm(31 - N->getZExtValue());
160}]>;
161
162def SRL32 : SDNodeXForm<imm, [{
163  // Transformation function: 32 - imm
164  return N->getZExtValue() ? getI32Imm(32 - N->getZExtValue()) : getI32Imm(0);
165}]>;
166
167def LO16 : SDNodeXForm<imm, [{
168  // Transformation function: get the low 16 bits.
169  return getI32Imm((unsigned short)N->getZExtValue());
170}]>;
171
172def HI16 : SDNodeXForm<imm, [{
173  // Transformation function: shift the immediate value down into the low bits.
174  return getI32Imm((unsigned)N->getZExtValue() >> 16);
175}]>;
176
177def HA16 : SDNodeXForm<imm, [{
178  // Transformation function: shift the immediate value down into the low bits.
179  signed int Val = N->getZExtValue();
180  return getI32Imm((Val - (signed short)Val) >> 16);
181}]>;
182def MB : SDNodeXForm<imm, [{
183  // Transformation function: get the start bit of a mask
184  unsigned mb = 0, me;
185  (void)isRunOfOnes((unsigned)N->getZExtValue(), mb, me);
186  return getI32Imm(mb);
187}]>;
188
189def ME : SDNodeXForm<imm, [{
190  // Transformation function: get the end bit of a mask
191  unsigned mb, me = 0;
192  (void)isRunOfOnes((unsigned)N->getZExtValue(), mb, me);
193  return getI32Imm(me);
194}]>;
195def maskimm32 : PatLeaf<(imm), [{
196  // maskImm predicate - True if immediate is a run of ones.
197  unsigned mb, me;
198  if (N->getValueType(0) == MVT::i32)
199    return isRunOfOnes((unsigned)N->getZExtValue(), mb, me);
200  else
201    return false;
202}]>;
203
204def immSExt16  : PatLeaf<(imm), [{
205  // immSExt16 predicate - True if the immediate fits in a 16-bit sign extended
206  // field.  Used by instructions like 'addi'.
207  if (N->getValueType(0) == MVT::i32)
208    return (int32_t)N->getZExtValue() == (short)N->getZExtValue();
209  else
210    return (int64_t)N->getZExtValue() == (short)N->getZExtValue();
211}]>;
212def immZExt16  : PatLeaf<(imm), [{
213  // immZExt16 predicate - True if the immediate fits in a 16-bit zero extended
214  // field.  Used by instructions like 'ori'.
215  return (uint64_t)N->getZExtValue() == (unsigned short)N->getZExtValue();
216}], LO16>;
217
218// imm16Shifted* - These match immediates where the low 16-bits are zero.  There
219// are two forms: imm16ShiftedSExt and imm16ShiftedZExt.  These two forms are
220// identical in 32-bit mode, but in 64-bit mode, they return true if the
221// immediate fits into a sign/zero extended 32-bit immediate (with the low bits
222// clear).
223def imm16ShiftedZExt : PatLeaf<(imm), [{
224  // imm16ShiftedZExt predicate - True if only bits in the top 16-bits of the
225  // immediate are set.  Used by instructions like 'xoris'.
226  return (N->getZExtValue() & ~uint64_t(0xFFFF0000)) == 0;
227}], HI16>;
228
229def imm16ShiftedSExt : PatLeaf<(imm), [{
230  // imm16ShiftedSExt predicate - True if only bits in the top 16-bits of the
231  // immediate are set.  Used by instructions like 'addis'.  Identical to 
232  // imm16ShiftedZExt in 32-bit mode.
233  if (N->getZExtValue() & 0xFFFF) return false;
234  if (N->getValueType(0) == MVT::i32)
235    return true;
236  // For 64-bit, make sure it is sext right.
237  return N->getZExtValue() == (uint64_t)(int)N->getZExtValue();
238}], HI16>;
239
240
241//===----------------------------------------------------------------------===//
242// PowerPC Flag Definitions.
243
244class isPPC64 { bit PPC64 = 1; }
245class isDOT   {
246  list<Register> Defs = [CR0];
247  bit RC  = 1;
248}
249
250class RegConstraint<string C> {
251  string Constraints = C;
252}
253class NoEncode<string E> {
254  string DisableEncoding = E;
255}
256
257
258//===----------------------------------------------------------------------===//
259// PowerPC Operand Definitions.
260
261def s5imm   : Operand<i32> {
262  let PrintMethod = "printS5ImmOperand";
263}
264def u5imm   : Operand<i32> {
265  let PrintMethod = "printU5ImmOperand";
266}
267def u6imm   : Operand<i32> {
268  let PrintMethod = "printU6ImmOperand";
269}
270def s16imm  : Operand<i32> {
271  let PrintMethod = "printS16ImmOperand";
272}
273def u16imm  : Operand<i32> {
274  let PrintMethod = "printU16ImmOperand";
275}
276def s16immX4  : Operand<i32> {   // Multiply imm by 4 before printing.
277  let PrintMethod = "printS16X4ImmOperand";
278}
279def target : Operand<OtherVT> {
280  let PrintMethod = "printBranchOperand";
281}
282def calltarget : Operand<iPTR> {
283  let PrintMethod = "printCallOperand";
284}
285def aaddr : Operand<iPTR> {
286  let PrintMethod = "printAbsAddrOperand";
287}
288def piclabel: Operand<iPTR> {
289  let PrintMethod = "printPICLabel";
290}
291def symbolHi: Operand<i32> {
292  let PrintMethod = "printSymbolHi";
293}
294def symbolLo: Operand<i32> {
295  let PrintMethod = "printSymbolLo";
296}
297def crbitm: Operand<i8> {
298  let PrintMethod = "printcrbitm";
299}
300// Address operands
301def memri : Operand<iPTR> {
302  let PrintMethod = "printMemRegImm";
303  let MIOperandInfo = (ops i32imm:$imm, ptr_rc:$reg);
304}
305def memrr : Operand<iPTR> {
306  let PrintMethod = "printMemRegReg";
307  let MIOperandInfo = (ops ptr_rc, ptr_rc);
308}
309def memrix : Operand<iPTR> {   // memri where the imm is shifted 2 bits.
310  let PrintMethod = "printMemRegImmShifted";
311  let MIOperandInfo = (ops i32imm:$imm, ptr_rc:$reg);
312}
313def tocentry : Operand<iPTR> {
314  let PrintMethod = "printTOCEntryLabel";
315  let MIOperandInfo = (ops i32imm:$imm);
316}
317
318// PowerPC Predicate operand.  20 = (0<<5)|20 = always, CR0 is a dummy reg
319// that doesn't matter.
320def pred : PredicateOperand<OtherVT, (ops imm, CRRC),
321                                     (ops (i32 20), (i32 zero_reg))> {
322  let PrintMethod = "printPredicateOperand";
323}
324
325// Define PowerPC specific addressing mode.
326def iaddr  : ComplexPattern<iPTR, 2, "SelectAddrImm",    [], []>;
327def xaddr  : ComplexPattern<iPTR, 2, "SelectAddrIdx",    [], []>;
328def xoaddr : ComplexPattern<iPTR, 2, "SelectAddrIdxOnly",[], []>;
329def ixaddr : ComplexPattern<iPTR, 2, "SelectAddrImmShift", [], []>; // "std"
330
331/// This is just the offset part of iaddr, used for preinc.
332def iaddroff : ComplexPattern<iPTR, 1, "SelectAddrImmOffs", [], []>;
333
334//===----------------------------------------------------------------------===//
335// PowerPC Instruction Predicate Definitions.
336def FPContractions : Predicate<"!NoExcessFPPrecision">;
337def In32BitMode  : Predicate<"!PPCSubTarget.isPPC64()">;
338def In64BitMode  : Predicate<"PPCSubTarget.isPPC64()">;
339
340
341//===----------------------------------------------------------------------===//
342// PowerPC Instruction Definitions.
343
344// Pseudo-instructions:
345
346let hasCtrlDep = 1 in {
347let Defs = [R1], Uses = [R1] in {
348def ADJCALLSTACKDOWN : Pseudo<(outs), (ins u16imm:$amt),
349                              "${:comment} ADJCALLSTACKDOWN",
350                              [(callseq_start timm:$amt)]>;
351def ADJCALLSTACKUP   : Pseudo<(outs), (ins u16imm:$amt1, u16imm:$amt2),
352                              "${:comment} ADJCALLSTACKUP",
353                              [(callseq_end timm:$amt1, timm:$amt2)]>;
354}
355
356def UPDATE_VRSAVE    : Pseudo<(outs GPRC:$rD), (ins GPRC:$rS),
357                              "UPDATE_VRSAVE $rD, $rS", []>;
358}
359
360let Defs = [R1], Uses = [R1] in
361def DYNALLOC : Pseudo<(outs GPRC:$result), (ins GPRC:$negsize, memri:$fpsi),
362                       "${:comment} DYNALLOC $result, $negsize, $fpsi",
363                       [(set GPRC:$result,
364                             (PPCdynalloc GPRC:$negsize, iaddr:$fpsi))]>;
365                         
366// SELECT_CC_* - Used to implement the SELECT_CC DAG operation.  Expanded after
367// instruction selection into a branch sequence.
368let usesCustomInserter = 1,    // Expanded after instruction selection.
369    PPC970_Single = 1 in {
370  def SELECT_CC_I4 : Pseudo<(outs GPRC:$dst), (ins CRRC:$cond, GPRC:$T, GPRC:$F,
371                              i32imm:$BROPC), "${:comment} SELECT_CC PSEUDO!",
372                              []>;
373  def SELECT_CC_I8 : Pseudo<(outs G8RC:$dst), (ins CRRC:$cond, G8RC:$T, G8RC:$F,
374                              i32imm:$BROPC), "${:comment} SELECT_CC PSEUDO!",
375                              []>;
376  def SELECT_CC_F4  : Pseudo<(outs F4RC:$dst), (ins CRRC:$cond, F4RC:$T, F4RC:$F,
377                              i32imm:$BROPC), "${:comment} SELECT_CC PSEUDO!",
378                              []>;
379  def SELECT_CC_F8  : Pseudo<(outs F8RC:$dst), (ins CRRC:$cond, F8RC:$T, F8RC:$F,
380                              i32imm:$BROPC), "${:comment} SELECT_CC PSEUDO!",
381                              []>;
382  def SELECT_CC_VRRC: Pseudo<(outs VRRC:$dst), (ins CRRC:$cond, VRRC:$T, VRRC:$F,
383                              i32imm:$BROPC), "${:comment} SELECT_CC PSEUDO!",
384                              []>;
385}
386
387// SPILL_CR - Indicate that we're dumping the CR register, so we'll need to
388// scavenge a register for it.
389def SPILL_CR : Pseudo<(outs), (ins GPRC:$cond, memri:$F),
390                     "${:comment} SPILL_CR $cond $F", []>;
391
392let isTerminator = 1, isBarrier = 1, PPC970_Unit = 7 in {
393  let isReturn = 1, Uses = [LR, RM] in
394    def BLR : XLForm_2_br<19, 16, 0, (outs), (ins pred:$p),
395                          "b${p:cc}lr ${p:reg}", BrB, 
396                          [(retflag)]>;
397  let isBranch = 1, isIndirectBranch = 1, Uses = [CTR] in
398    def BCTR : XLForm_2_ext<19, 528, 20, 0, 0, (outs), (ins), "bctr", BrB, []>;
399}
400
401let Defs = [LR] in
402  def MovePCtoLR : Pseudo<(outs), (ins piclabel:$label), "bl $label", []>,
403                   PPC970_Unit_BRU;
404
405let isBranch = 1, isTerminator = 1, hasCtrlDep = 1, PPC970_Unit = 7 in {
406  let isBarrier = 1 in {
407  def B   : IForm<18, 0, 0, (outs), (ins target:$dst),
408                  "b $dst", BrB,
409                  [(br bb:$dst)]>;
410  }
411
412  // BCC represents an arbitrary conditional branch on a predicate.
413  // FIXME: should be able to write a pattern for PPCcondbranch, but can't use
414  // a two-value operand where a dag node expects two operands. :( 
415  def BCC : BForm<16, 0, 0, (outs), (ins pred:$cond, target:$dst),
416                  "b${cond:cc} ${cond:reg}, $dst"
417                  /*[(PPCcondbranch CRRC:$crS, imm:$opc, bb:$dst)]*/>;
418}
419
420// Darwin ABI Calls.
421let isCall = 1, PPC970_Unit = 7, 
422  // All calls clobber the non-callee saved registers...
423  Defs = [R0,R2,R3,R4,R5,R6,R7,R8,R9,R10,R11,R12,
424          F0,F1,F2,F3,F4,F5,F6,F7,F8,F9,F10,F11,F12,F13,
425          V0,V1,V2,V3,V4,V5,V6,V7,V8,V9,V10,V11,V12,V13,V14,V15,V16,V17,V18,V19,
426          LR,CTR,
427          CR0,CR1,CR5,CR6,CR7,
428          CR0LT,CR0GT,CR0EQ,CR0UN,CR1LT,CR1GT,CR1EQ,CR1UN,CR5LT,CR5GT,CR5EQ,
429          CR5UN,CR6LT,CR6GT,CR6EQ,CR6UN,CR7LT,CR7GT,CR7EQ,CR7UN,CARRY] in {
430  // Convenient aliases for call instructions
431  let Uses = [RM] in {
432    def BL_Darwin  : IForm<18, 0, 1,
433                           (outs), (ins calltarget:$func, variable_ops), 
434                           "bl $func", BrB, []>;  // See Pat patterns below.
435    def BLA_Darwin : IForm<18, 1, 1, 
436                          (outs), (ins aaddr:$func, variable_ops),
437                          "bla $func", BrB, [(PPCcall_Darwin (i32 imm:$func))]>;
438  }
439  let Uses = [CTR, RM] in {
440    def BCTRL_Darwin : XLForm_2_ext<19, 528, 20, 0, 1, 
441                                  (outs), (ins variable_ops),
442                                  "bctrl", BrB,
443                                  [(PPCbctrl_Darwin)]>, Requires<[In32BitMode]>;
444  }
445}
446
447// SVR4 ABI Calls.
448let isCall = 1, PPC970_Unit = 7, 
449  // All calls clobber the non-callee saved registers...
450  Defs = [R0,R3,R4,R5,R6,R7,R8,R9,R10,R11,R12,
451          F0,F1,F2,F3,F4,F5,F6,F7,F8,F9,F10,F11,F12,F13,
452          V0,V1,V2,V3,V4,V5,V6,V7,V8,V9,V10,V11,V12,V13,V14,V15,V16,V17,V18,V19,
453          LR,CTR,
454          CR0,CR1,CR5,CR6,CR7,
455          CR0LT,CR0GT,CR0EQ,CR0UN,CR1LT,CR1GT,CR1EQ,CR1UN,CR5LT,CR5GT,CR5EQ,
456          CR5UN,CR6LT,CR6GT,CR6EQ,CR6UN,CR7LT,CR7GT,CR7EQ,CR7UN,CARRY] in {
457  // Convenient aliases for call instructions
458  let Uses = [RM] in {
459    def BL_SVR4  : IForm<18, 0, 1,
460                        (outs), (ins calltarget:$func, variable_ops), 
461                        "bl $func", BrB, []>;  // See Pat patterns below.
462    def BLA_SVR4 : IForm<18, 1, 1,
463                        (outs), (ins aaddr:$func, variable_ops),
464                        "bla $func", BrB,
465                        [(PPCcall_SVR4 (i32 imm:$func))]>;
466  }
467  let Uses = [CTR, RM] in {
468    def BCTRL_SVR4 : XLForm_2_ext<19, 528, 20, 0, 1,
469                                (outs), (ins variable_ops),
470                                "bctrl", BrB,
471                                [(PPCbctrl_SVR4)]>, Requires<[In32BitMode]>;
472  }
473}
474
475
476let isCall = 1, isTerminator = 1, isReturn = 1, isBarrier = 1, Uses = [RM] in
477def TCRETURNdi :Pseudo< (outs),
478                        (ins calltarget:$dst, i32imm:$offset, variable_ops),
479                 "#TC_RETURNd $dst $offset",
480                 []>;
481
482
483let isCall = 1, isTerminator = 1, isReturn = 1, isBarrier = 1, Uses = [RM] in
484def TCRETURNai :Pseudo<(outs), (ins aaddr:$func, i32imm:$offset, variable_ops),
485                 "#TC_RETURNa $func $offset",
486                 [(PPCtc_return (i32 imm:$func), imm:$offset)]>;
487
488let isCall = 1, isTerminator = 1, isReturn = 1, isBarrier = 1, Uses = [RM] in
489def TCRETURNri : Pseudo<(outs), (ins CTRRC:$dst, i32imm:$offset, variable_ops),
490                 "#TC_RETURNr $dst $offset",
491                 []>;
492
493
494let isTerminator = 1, isBarrier = 1, PPC970_Unit = 7, isBranch = 1,
495    isIndirectBranch = 1, isCall = 1, isReturn = 1, Uses = [CTR, RM]  in
496def TAILBCTR : XLForm_2_ext<19, 528, 20, 0, 0, (outs), (ins), "bctr", BrB, []>,
497     Requires<[In32BitMode]>;
498
499
500
501let isBranch = 1, isTerminator = 1, hasCtrlDep = 1, PPC970_Unit = 7,
502    isBarrier = 1, isCall = 1, isReturn = 1, Uses = [RM] in
503def TAILB   : IForm<18, 0, 0, (outs), (ins calltarget:$dst),
504                  "b $dst", BrB,
505                  []>;
506
507
508let isBranch = 1, isTerminator = 1, hasCtrlDep = 1, PPC970_Unit = 7,
509    isBarrier = 1, isCall = 1, isReturn = 1, Uses = [RM] in
510def TAILBA   : IForm<18, 0, 0, (outs), (ins aaddr:$dst),
511                  "ba $dst", BrB,
512                  []>;
513
514
515// DCB* instructions.
516def DCBA   : DCB_Form<758, 0, (outs), (ins memrr:$dst),
517                      "dcba $dst", LdStDCBF, [(int_ppc_dcba xoaddr:$dst)]>,
518                      PPC970_DGroup_Single;
519def DCBF   : DCB_Form<86, 0, (outs), (ins memrr:$dst),
520                      "dcbf $dst", LdStDCBF, [(int_ppc_dcbf xoaddr:$dst)]>,
521                      PPC970_DGroup_Single;
522def DCBI   : DCB_Form<470, 0, (outs), (ins memrr:$dst),
523                      "dcbi $dst", LdStDCBF, [(int_ppc_dcbi xoaddr:$dst)]>,
524                      PPC970_DGroup_Single;
525def DCBST  : DCB_Form<54, 0, (outs), (ins memrr:$dst),
526                      "dcbst $dst", LdStDCBF, [(int_ppc_dcbst xoaddr:$dst)]>,
527                      PPC970_DGroup_Single;
528def DCBT   : DCB_Form<278, 0, (outs), (ins memrr:$dst),
529                      "dcbt $dst", LdStDCBF, [(int_ppc_dcbt xoaddr:$dst)]>,
530                      PPC970_DGroup_Single;
531def DCBTST : DCB_Form<246, 0, (outs), (ins memrr:$dst),
532                      "dcbtst $dst", LdStDCBF, [(int_ppc_dcbtst xoaddr:$dst)]>,
533                      PPC970_DGroup_Single;
534def DCBZ   : DCB_Form<1014, 0, (outs), (ins memrr:$dst),
535                      "dcbz $dst", LdStDCBF, [(int_ppc_dcbz xoaddr:$dst)]>,
536                      PPC970_DGroup_Single;
537def DCBZL  : DCB_Form<1014, 1, (outs), (ins memrr:$dst),
538                      "dcbzl $dst", LdStDCBF, [(int_ppc_dcbzl xoaddr:$dst)]>,
539                      PPC970_DGroup_Single;
540
541// Atomic operations
542let usesCustomInserter = 1 in {
543  let Uses = [CR0] in {
544    def ATOMIC_LOAD_ADD_I8 : Pseudo<
545      (outs GPRC:$dst), (ins memrr:$ptr, GPRC:$incr),
546      "${:comment} ATOMIC_LOAD_ADD_I8 PSEUDO!",
547      [(set GPRC:$dst, (atomic_load_add_8 xoaddr:$ptr, GPRC:$incr))]>;
548    def ATOMIC_LOAD_SUB_I8 : Pseudo<
549      (outs GPRC:$dst), (ins memrr:$ptr, GPRC:$incr),
550      "${:comment} ATOMIC_LOAD_SUB_I8 PSEUDO!",
551      [(set GPRC:$dst, (atomic_load_sub_8 xoaddr:$ptr, GPRC:$incr))]>;
552    def ATOMIC_LOAD_AND_I8 : Pseudo<
553      (outs GPRC:$dst), (ins memrr:$ptr, GPRC:$incr),
554      "${:comment} ATOMIC_LOAD_AND_I8 PSEUDO!",
555      [(set GPRC:$dst, (atomic_load_and_8 xoaddr:$ptr, GPRC:$incr))]>;
556    def ATOMIC_LOAD_OR_I8 : Pseudo<
557      (outs GPRC:$dst), (ins memrr:$ptr, GPRC:$incr),
558      "${:comment} ATOMIC_LOAD_OR_I8 PSEUDO!",
559      [(set GPRC:$dst, (atomic_load_or_8 xoaddr:$ptr, GPRC:$incr))]>;
560    def ATOMIC_LOAD_XOR_I8 : Pseudo<
561      (outs GPRC:$dst), (ins memrr:$ptr, GPRC:$incr),
562      "${:comment} ATOMIC_LOAD_XOR_I8 PSEUDO!",
563      [(set GPRC:$dst, (atomic_load_xor_8 xoaddr:$ptr, GPRC:$incr))]>;
564    def ATOMIC_LOAD_NAND_I8 : Pseudo<
565      (outs GPRC:$dst), (ins memrr:$ptr, GPRC:$incr),
566      "${:comment} ATOMIC_LOAD_NAND_I8 PSEUDO!",
567      [(set GPRC:$dst, (atomic_load_nand_8 xoaddr:$ptr, GPRC:$incr))]>;
568    def ATOMIC_LOAD_ADD_I16 : Pseudo<
569      (outs GPRC:$dst), (ins memrr:$ptr, GPRC:$incr),
570      "${:comment} ATOMIC_LOAD_ADD_I16 PSEUDO!",
571      [(set GPRC:$dst, (atomic_load_add_16 xoaddr:$ptr, GPRC:$incr))]>;
572    def ATOMIC_LOAD_SUB_I16 : Pseudo<
573      (outs GPRC:$dst), (ins memrr:$ptr, GPRC:$incr),
574      "${:comment} ATOMIC_LOAD_SUB_I16 PSEUDO!",
575      [(set GPRC:$dst, (atomic_load_sub_16 xoaddr:$ptr, GPRC:$incr))]>;
576    def ATOMIC_LOAD_AND_I16 : Pseudo<
577      (outs GPRC:$dst), (ins memrr:$ptr, GPRC:$incr),
578      "${:comment} ATOMIC_LOAD_AND_I16 PSEUDO!",
579      [(set GPRC:$dst, (atomic_load_and_16 xoaddr:$ptr, GPRC:$incr))]>;
580    def ATOMIC_LOAD_OR_I16 : Pseudo<
581      (outs GPRC:$dst), (ins memrr:$ptr, GPRC:$incr),
582      "${:comment} ATOMIC_LOAD_OR_I16 PSEUDO!",
583      [(set GPRC:$dst, (atomic_load_or_16 xoaddr:$ptr, GPRC:$incr))]>;
584    def ATOMIC_LOAD_XOR_I16 : Pseudo<
585      (outs GPRC:$dst), (ins memrr:$ptr, GPRC:$incr),
586      "${:comment} ATOMIC_LOAD_XOR_I16 PSEUDO!",
587      [(set GPRC:$dst, (atomic_load_xor_16 xoaddr:$ptr, GPRC:$incr))]>;
588    def ATOMIC_LOAD_NAND_I16 : Pseudo<
589      (outs GPRC:$dst), (ins memrr:$ptr, GPRC:$incr),
590      "${:comment} ATOMIC_LOAD_NAND_I16 PSEUDO!",
591      [(set GPRC:$dst, (atomic_load_nand_16 xoaddr:$ptr, GPRC:$incr))]>;
592    def ATOMIC_LOAD_ADD_I32 : Pseudo<
593      (outs GPRC:$dst), (ins memrr:$ptr, GPRC:$incr),
594      "${:comment} ATOMIC_LOAD_ADD_I32 PSEUDO!",
595      [(set GPRC:$dst, (atomic_load_add_32 xoaddr:$ptr, GPRC:$incr))]>;
596    def ATOMIC_LOAD_SUB_I32 : Pseudo<
597      (outs GPRC:$dst), (ins memrr:$ptr, GPRC:$incr),
598      "${:comment} ATOMIC_LOAD_SUB_I32 PSEUDO!",
599      [(set GPRC:$dst, (atomic_load_sub_32 xoaddr:$ptr, GPRC:$incr))]>;
600    def ATOMIC_LOAD_AND_I32 : Pseudo<
601      (outs GPRC:$dst), (ins memrr:$ptr, GPRC:$incr),
602      "${:comment} ATOMIC_LOAD_AND_I32 PSEUDO!",
603      [(set GPRC:$dst, (atomic_load_and_32 xoaddr:$ptr, GPRC:$incr))]>;
604    def ATOMIC_LOAD_OR_I32 : Pseudo<
605      (outs GPRC:$dst), (ins memrr:$ptr, GPRC:$incr),
606      "${:comment} ATOMIC_LOAD_OR_I32 PSEUDO!",
607      [(set GPRC:$dst, (atomic_load_or_32 xoaddr:$ptr, GPRC:$incr))]>;
608    def ATOMIC_LOAD_XOR_I32 : Pseudo<
609      (outs GPRC:$dst), (ins memrr:$ptr, GPRC:$incr),
610      "${:comment} ATOMIC_LOAD_XOR_I32 PSEUDO!",
611      [(set GPRC:$dst, (atomic_load_xor_32 xoaddr:$ptr, GPRC:$incr))]>;
612    def ATOMIC_LOAD_NAND_I32 : Pseudo<
613      (outs GPRC:$dst), (ins memrr:$ptr, GPRC:$incr),
614      "${:comment} ATOMIC_LOAD_NAND_I32 PSEUDO!",
615      [(set GPRC:$dst, (atomic_load_nand_32 xoaddr:$ptr, GPRC:$incr))]>;
616
617    def ATOMIC_CMP_SWAP_I8 : Pseudo<
618      (outs GPRC:$dst), (ins memrr:$ptr, GPRC:$old, GPRC:$new),
619      "${:comment} ATOMIC_CMP_SWAP_I8 PSEUDO!",
620      [(set GPRC:$dst, 
621                    (atomic_cmp_swap_8 xoaddr:$ptr, GPRC:$old, GPRC:$new))]>;
622    def ATOMIC_CMP_SWAP_I16 : Pseudo<
623      (outs GPRC:$dst), (ins memrr:$ptr, GPRC:$old, GPRC:$new),
624      "${:comment} ATOMIC_CMP_SWAP_I16 PSEUDO!",
625      [(set GPRC:$dst, 
626                    (atomic_cmp_swap_16 xoaddr:$ptr, GPRC:$old, GPRC:$new))]>;
627    def ATOMIC_CMP_SWAP_I32 : Pseudo<
628      (outs GPRC:$dst), (ins memrr:$ptr, GPRC:$old, GPRC:$new),
629      "${:comment} ATOMIC_CMP_SWAP_I32 PSEUDO!",
630      [(set GPRC:$dst, 
631                    (atomic_cmp_swap_32 xoaddr:$ptr, GPRC:$old, GPRC:$new))]>;
632
633    def ATOMIC_SWAP_I8 : Pseudo<
634      (outs GPRC:$dst), (ins memrr:$ptr, GPRC:$new),
635      "${:comment} ATOMIC_SWAP_I8 PSEUDO!",
636      [(set GPRC:$dst, (atomic_swap_8 xoaddr:$ptr, GPRC:$new))]>;
637    def ATOMIC_SWAP_I16 : Pseudo<
638      (outs GPRC:$dst), (ins memrr:$ptr, GPRC:$new),
639      "${:comment} ATOMIC_SWAP_I16 PSEUDO!",
640      [(set GPRC:$dst, (atomic_swap_16 xoaddr:$ptr, GPRC:$new))]>;
641    def ATOMIC_SWAP_I32 : Pseudo<
642      (outs GPRC:$dst), (ins memrr:$ptr, GPRC:$new),
643      "${:comment} ATOMIC_SWAP_I32 PSEUDO!",
644      [(set GPRC:$dst, (atomic_swap_32 xoaddr:$ptr, GPRC:$new))]>;
645  }
646}
647
648// Instructions to support atomic operations
649def LWARX : XForm_1<31,  20, (outs GPRC:$rD), (ins memrr:$src),
650                   "lwarx $rD, $src", LdStLWARX,
651                   [(set GPRC:$rD, (PPClarx xoaddr:$src))]>;
652
653let Defs = [CR0] in
654def STWCX : XForm_1<31, 150, (outs), (ins GPRC:$rS, memrr:$dst),
655                   "stwcx. $rS, $dst", LdStSTWCX,
656                   [(PPCstcx GPRC:$rS, xoaddr:$dst)]>,
657                   isDOT;
658
659let isBarrier = 1, hasCtrlDep = 1 in
660def TRAP  : XForm_24<31, 4, (outs), (ins), "trap", LdStGeneral, [(trap)]>;
661
662//===----------------------------------------------------------------------===//
663// PPC32 Load Instructions.
664//
665
666// Unindexed (r+i) Loads. 
667let canFoldAsLoad = 1, PPC970_Unit = 2 in {
668def LBZ : DForm_1<34, (outs GPRC:$rD), (ins memri:$src),
669                  "lbz $rD, $src", LdStGeneral,
670                  [(set GPRC:$rD, (zextloadi8 iaddr:$src))]>;
671def LHA : DForm_1<42, (outs GPRC:$rD), (ins memri:$src),
672                  "lha $rD, $src", LdStLHA,
673                  [(set GPRC:$rD, (sextloadi16 iaddr:$src))]>,
674                  PPC970_DGroup_Cracked;
675def LHZ : DForm_1<40, (outs GPRC:$rD), (ins memri:$src),
676                  "lhz $rD, $src", LdStGeneral,
677                  [(set GPRC:$rD, (zextloadi16 iaddr:$src))]>;
678def LWZ : DForm_1<32, (outs GPRC:$rD), (ins memri:$src),
679                  "lwz $rD, $src", LdStGeneral,
680                  [(set GPRC:$rD, (load iaddr:$src))]>;
681
682def LFS : DForm_1<48, (outs F4RC:$rD), (ins memri:$src),
683                  "lfs $rD, $src", LdStLFDU,
684                  [(set F4RC:$rD, (load iaddr:$src))]>;
685def LFD : DForm_1<50, (outs F8RC:$rD), (ins memri:$src),
686                  "lfd $rD, $src", LdStLFD,
687                  [(set F8RC:$rD, (load iaddr:$src))]>;
688
689
690// Unindexed (r+i) Loads with Update (preinc).
691let mayLoad = 1 in {
692def LBZU : DForm_1<35, (outs GPRC:$rD, ptr_rc:$ea_result), (ins memri:$addr),
693                   "lbzu $rD, $addr", LdStGeneral,
694                   []>, RegConstraint<"$addr.reg = $ea_result">,
695                   NoEncode<"$ea_result">;
696
697def LHAU : DForm_1<43, (outs GPRC:$rD, ptr_rc:$ea_result), (ins memri:$addr),
698                   "lhau $rD, $addr", LdStGeneral,
699                   []>, RegConstraint<"$addr.reg = $ea_result">,
700                   NoEncode<"$ea_result">;
701
702def LHZU : DForm_1<41, (outs GPRC:$rD, ptr_rc:$ea_result), (ins memri:$addr),
703                   "lhzu $rD, $addr", LdStGeneral,
704                   []>, RegConstraint<"$addr.reg = $ea_result">,
705                   NoEncode<"$ea_result">;
706
707def LWZU : DForm_1<33, (outs GPRC:$rD, ptr_rc:$ea_result), (ins memri:$addr),
708                   "lwzu $rD, $addr", LdStGeneral,
709                   []>, RegConstraint<"$addr.reg = $ea_result">,
710                   NoEncode<"$ea_result">;
711
712def LFSU : DForm_1<49, (outs F4RC:$rD, ptr_rc:$ea_result), (ins memri:$addr),
713                  "lfs $rD, $addr", LdStLFDU,
714                  []>, RegConstraint<"$addr.reg = $ea_result">,
715                   NoEncode<"$ea_result">;
716
717def LFDU : DForm_1<51, (outs F8RC:$rD, ptr_rc:$ea_result), (ins memri:$addr),
718                  "lfd $rD, $addr", LdStLFD,
719                  []>, RegConstraint<"$addr.reg = $ea_result">,
720                   NoEncode<"$ea_result">;
721}
722}
723
724// Indexed (r+r) Loads.
725//
726let canFoldAsLoad = 1, PPC970_Unit = 2 in {
727def LBZX : XForm_1<31,  87, (outs GPRC:$rD), (ins memrr:$src),
728                   "lbzx $rD, $src", LdStGeneral,
729                   [(set GPRC:$rD, (zextloadi8 xaddr:$src))]>;
730def LHAX : XForm_1<31, 343, (outs GPRC:$rD), (ins memrr:$src),
731                   "lhax $rD, $src", LdStLHA,
732                   [(set GPRC:$rD, (sextloadi16 xaddr:$src))]>,
733                   PPC970_DGroup_Cracked;
734def LHZX : XForm_1<31, 279, (outs GPRC:$rD), (ins memrr:$src),
735                   "lhzx $rD, $src", LdStGeneral,
736                   [(set GPRC:$rD, (zextloadi16 xaddr:$src))]>;
737def LWZX : XForm_1<31,  23, (outs GPRC:$rD), (ins memrr:$src),
738                   "lwzx $rD, $src", LdStGeneral,
739                   [(set GPRC:$rD, (load xaddr:$src))]>;
740                   
741                   
742def LHBRX : XForm_1<31, 790, (outs GPRC:$rD), (ins memrr:$src),
743                   "lhbrx $rD, $src", LdStGeneral,
744                   [(set GPRC:$rD, (PPClbrx xoaddr:$src, i16))]>;
745def LWBRX : XForm_1<31,  534, (outs GPRC:$rD), (ins memrr:$src),
746                   "lwbrx $rD, $src", LdStGeneral,
747                   [(set GPRC:$rD, (PPClbrx xoaddr:$src, i32))]>;
748
749def LFSX   : XForm_25<31, 535, (outs F4RC:$frD), (ins memrr:$src),
750                      "lfsx $frD, $src", LdStLFDU,
751                      [(set F4RC:$frD, (load xaddr:$src))]>;
752def LFDX   : XForm_25<31, 599, (outs F8RC:$frD), (ins memrr:$src),
753                      "lfdx $frD, $src", LdStLFDU,
754                      [(set F8RC:$frD, (load xaddr:$src))]>;
755}
756
757//===----------------------------------------------------------------------===//
758// PPC32 Store Instructions.
759//
760
761// Unindexed (r+i) Stores.
762let PPC970_Unit = 2 in {
763def STB  : DForm_1<38, (outs), (ins GPRC:$rS, memri:$src),
764                   "stb $rS, $src", LdStGeneral,
765                   [(truncstorei8 GPRC:$rS, iaddr:$src)]>;
766def STH  : DForm_1<44, (outs), (ins GPRC:$rS, memri:$src),
767                   "sth $rS, $src", LdStGeneral,
768                   [(truncstorei16 GPRC:$rS, iaddr:$src)]>;
769def STW  : DForm_1<36, (outs), (ins GPRC:$rS, memri:$src),
770                   "stw $rS, $src", LdStGeneral,
771                   [(store GPRC:$rS, iaddr:$src)]>;
772def STFS : DForm_1<52, (outs), (ins F4RC:$rS, memri:$dst),
773                   "stfs $rS, $dst", LdStUX,
774                   [(store F4RC:$rS, iaddr:$dst)]>;
775def STFD : DForm_1<54, (outs), (ins F8RC:$rS, memri:$dst),
776                   "stfd $rS, $dst", LdStUX,
777                   [(store F8RC:$rS, iaddr:$dst)]>;
778}
779
780// Unindexed (r+i) Stores with Update (preinc).
781let PPC970_Unit = 2 in {
782def STBU  : DForm_1<39, (outs ptr_rc:$ea_res), (ins GPRC:$rS,
783                             symbolLo:$ptroff, ptr_rc:$ptrreg),
784                    "stbu $rS, $ptroff($ptrreg)", LdStGeneral,
785                    [(set ptr_rc:$ea_res,
786                          (pre_truncsti8 GPRC:$rS, ptr_rc:$ptrreg, 
787                                         iaddroff:$ptroff))]>,
788                    RegConstraint<"$ptrreg = $ea_res">, NoEncode<"$ea_res">;
789def STHU  : DForm_1<45, (outs ptr_rc:$ea_res), (ins GPRC:$rS,
790                             symbolLo:$ptroff, ptr_rc:$ptrreg),
791                    "sthu $rS, $ptroff($ptrreg)", LdStGeneral,
792                    [(set ptr_rc:$ea_res,
793                        (pre_truncsti16 GPRC:$rS, ptr_rc:$ptrreg, 
794                                        iaddroff:$ptroff))]>,
795                    RegConstraint<"$ptrreg = $ea_res">, NoEncode<"$ea_res">;
796def STWU  : DForm_1<37, (outs ptr_rc:$ea_res), (ins GPRC:$rS,
797                             symbolLo:$ptroff, ptr_rc:$ptrreg),
798                    "stwu $rS, $ptroff($ptrreg)", LdStGeneral,
799                    [(set ptr_rc:$ea_res, (pre_store GPRC:$rS, ptr_rc:$ptrreg, 
800                                                     iaddroff:$ptroff))]>,
801                    RegConstraint<"$ptrreg = $ea_res">, NoEncode<"$ea_res">;
802def STFSU : DForm_1<37, (outs ptr_rc:$ea_res), (ins F4RC:$rS,
803                             symbolLo:$ptroff, ptr_rc:$ptrreg),
804                    "stfsu $rS, $ptroff($ptrreg)", LdStGeneral,
805                    [(set ptr_rc:$ea_res, (pre_store F4RC:$rS,  ptr_rc:$ptrreg, 
806                                          iaddroff:$ptroff))]>,
807                    RegConstraint<"$ptrreg = $ea_res">, NoEncode<"$ea_res">;
808def STFDU : DForm_1<37, (outs ptr_rc:$ea_res), (ins F8RC:$rS,
809                             symbolLo:$ptroff, ptr_rc:$ptrreg),
810                    "stfdu $rS, $ptroff($ptrreg)", LdStGeneral,
811                    [(set ptr_rc:$ea_res, (pre_store F8RC:$rS, ptr_rc:$ptrreg, 
812                                          iaddroff:$ptroff))]>,
813                    RegConstraint<"$ptrreg = $ea_res">, NoEncode<"$ea_res">;
814}
815
816
817// Indexed (r+r) Stores.
818//
819let PPC970_Unit = 2 in {
820def STBX  : XForm_8<31, 215, (outs), (ins GPRC:$rS, memrr:$dst),
821                   "stbx $rS, $dst", LdStGeneral,
822                   [(truncstorei8 GPRC:$rS, xaddr:$dst)]>, 
823                   PPC970_DGroup_Cracked;
824def STHX  : XForm_8<31, 407, (outs), (ins GPRC:$rS, memrr:$dst),
825                   "sthx $rS, $dst", LdStGeneral,
826                   [(truncstorei16 GPRC:$rS, xaddr:$dst)]>, 
827                   PPC970_DGroup_Cracked;
828def STWX  : XForm_8<31, 151, (outs), (ins GPRC:$rS, memrr:$dst),
829                   "stwx $rS, $dst", LdStGeneral,
830                   [(store GPRC:$rS, xaddr:$dst)]>,
831                   PPC970_DGroup_Cracked;
832                   
833let mayStore = 1 in {
834def STWUX : XForm_8<31, 183, (outs), (ins GPRC:$rS, GPRC:$rA, GPRC:$rB),
835                   "stwux $rS, $rA, $rB", LdStGeneral,
836                   []>;
837}
838def STHBRX: XForm_8<31, 918, (outs), (ins GPRC:$rS, memrr:$dst),
839                   "sthbrx $rS, $dst", LdStGeneral,
840                   [(PPCstbrx GPRC:$rS, xoaddr:$dst, i16)]>, 
841                   PPC970_DGroup_Cracked;
842def STWBRX: XForm_8<31, 662, (outs), (ins GPRC:$rS, memrr:$dst),
843                   "stwbrx $rS, $dst", LdStGeneral,
844                   [(PPCstbrx GPRC:$rS, xoaddr:$dst, i32)]>,
845                   PPC970_DGroup_Cracked;
846
847def STFIWX: XForm_28<31, 983, (outs), (ins F8RC:$frS, memrr:$dst),
848                     "stfiwx $frS, $dst", LdStUX,
849                     [(PPCstfiwx F8RC:$frS, xoaddr:$dst)]>;
850                     
851def STFSX : XForm_28<31, 663, (outs), (ins F4RC:$frS, memrr:$dst),
852                     "stfsx $frS, $dst", LdStUX,
853                     [(store F4RC:$frS, xaddr:$dst)]>;
854def STFDX : XForm_28<31, 727, (outs), (ins F8RC:$frS, memrr:$dst),
855                     "stfdx $frS, $dst", LdStUX,
856                     [(store F8RC:$frS, xaddr:$dst)]>;
857}
858
859let isBarrier = 1 in
860def SYNC : XForm_24_sync<31, 598, (outs), (ins),
861                        "sync", LdStSync,
862                        [(int_ppc_sync)]>;
863
864//===----------------------------------------------------------------------===//
865// PPC32 Arithmetic Instructions.
866//
867
868let PPC970_Unit = 1 in {  // FXU Operations.
869def ADDI   : DForm_2<14, (outs GPRC:$rD), (ins GPRC:$rA, s16imm:$imm),
870                     "addi $rD, $rA, $imm", IntGeneral,
871                     [(set GPRC:$rD, (add GPRC:$rA, immSExt16:$imm))]>;
872let Defs = [CARRY] in {
873def ADDIC  : DForm_2<12, (outs GPRC:$rD), (ins GPRC:$rA, s16imm:$imm),
874                     "addic $rD, $rA, $imm", IntGeneral,
875                     [(set GPRC:$rD, (addc GPRC:$rA, immSExt16:$imm))]>,
876                     PPC970_DGroup_Cracked;
877def ADDICo : DForm_2<13, (outs GPRC:$rD), (ins GPRC:$rA, s16imm:$imm),
878                     "addic. $rD, $rA, $imm", IntGeneral,
879                     []>;
880}
881def ADDIS  : DForm_2<15, (outs GPRC:$rD), (ins GPRC:$rA, symbolHi:$imm),
882                     "addis $rD, $rA, $imm", IntGeneral,
883                     [(set GPRC:$rD, (add GPRC:$rA, imm16ShiftedSExt:$imm))]>;
884def LA     : DForm_2<14, (outs GPRC:$rD), (ins GPRC:$rA, symbolLo:$sym),
885                     "la $rD, $sym($rA)", IntGeneral,
886                     [(set GPRC:$rD, (add GPRC:$rA,
887                                          (PPClo tglobaladdr:$sym, 0)))]>;
888def MULLI  : DForm_2< 7, (outs GPRC:$rD), (ins GPRC:$rA, s16imm:$imm),
889                     "mulli $rD, $rA, $imm", IntMulLI,
890                     [(set GPRC:$rD, (mul GPRC:$rA, immSExt16:$imm))]>;
891let Defs = [CARRY] in {
892def SUBFIC : DForm_2< 8, (outs GPRC:$rD), (ins GPRC:$rA, s16imm:$imm),
893                     "subfic $rD, $rA, $imm", IntGeneral,
894                     [(set GPRC:$rD, (subc immSExt16:$imm, GPRC:$rA))]>;
895}
896
897let isReMaterializable = 1 in {
898  def LI  : DForm_2_r0<14, (outs GPRC:$rD), (ins symbolLo:$imm),
899                       "li $rD, $imm", IntGeneral,
900                       [(set GPRC:$rD, immSExt16:$imm)]>;
901  def LIS : DForm_2_r0<15, (outs GPRC:$rD), (ins symbolHi:$imm),
902                       "lis $rD, $imm", IntGeneral,
903                       [(set GPRC:$rD, imm16ShiftedSExt:$imm)]>;
904}
905}
906
907let PPC970_Unit = 1 in {  // FXU Operations.
908def ANDIo : DForm_4<28, (outs GPRC:$dst), (ins GPRC:$src1, u16imm:$src2),
909                    "andi. $dst, $src1, $src2", IntGeneral,
910                    [(set GPRC:$dst, (and GPRC:$src1, immZExt16:$src2))]>,
911                    isDOT;
912def ANDISo : DForm_4<29, (outs GPRC:$dst), (ins GPRC:$src1, u16imm:$src2),
913                    "andis. $dst, $src1, $src2", IntGeneral,
914                    [(set GPRC:$dst, (and GPRC:$src1,imm16ShiftedZExt:$src2))]>,
915                    isDOT;
916def ORI   : DForm_4<24, (outs GPRC:$dst), (ins GPRC:$src1, u16imm:$src2),
917                    "ori $dst, $src1, $src2", IntGeneral,
918                    [(set GPRC:$dst, (or GPRC:$src1, immZExt16:$src2))]>;
919def ORIS  : DForm_4<25, (outs GPRC:$dst), (ins GPRC:$src1, u16imm:$src2),
920                    "oris $dst, $src1, $src2", IntGeneral,
921                    [(set GPRC:$dst, (or GPRC:$src1, imm16ShiftedZExt:$src2))]>;
922def XORI  : DForm_4<26, (outs GPRC:$dst), (ins GPRC:$src1, u16imm:$src2),
923                    "xori $dst, $src1, $src2", IntGeneral,
924                    [(set GPRC:$dst, (xor GPRC:$src1, immZExt16:$src2))]>;
925def XORIS : DForm_4<27, (outs GPRC:$dst), (ins GPRC:$src1, u16imm:$src2),
926                    "xoris $dst, $src1, $src2", IntGeneral,
927                    [(set GPRC:$dst, (xor GPRC:$src1,imm16ShiftedZExt:$src2))]>;
928def NOP   : DForm_4_zero<24, (outs), (ins), "nop", IntGeneral,
929                         []>;
930def CMPWI : DForm_5_ext<11, (outs CRRC:$crD), (ins GPRC:$rA, s16imm:$imm),
931                        "cmpwi $crD, $rA, $imm", IntCompare>;
932def CMPLWI : DForm_6_ext<10, (outs CRRC:$dst), (ins GPRC:$src1, u16imm:$src2),
933                         "cmplwi $dst, $src1, $src2", IntCompare>;
934}
935
936
937let PPC970_Unit = 1 in {  // FXU Operations.
938def NAND : XForm_6<31, 476, (outs GPRC:$rA), (ins GPRC:$rS, GPRC:$rB),
939                   "nand $rA, $rS, $rB", IntGeneral,
940                   [(set GPRC:$rA, (not (and GPRC:$rS, GPRC:$rB)))]>;
941def AND  : XForm_6<31,  28, (outs GPRC:$rA), (ins GPRC:$rS, GPRC:$rB),
942                   "and $rA, $rS, $rB", IntGeneral,
943                   [(set GPRC:$rA, (and GPRC:$rS, GPRC:$rB))]>;
944def ANDC : XForm_6<31,  60, (outs GPRC:$rA), (ins GPRC:$rS, GPRC:$rB),
945                   "andc $rA, $rS, $rB", IntGeneral,
946                   [(set GPRC:$rA, (and GPRC:$rS, (not GPRC:$rB)))]>;
947def OR   : XForm_6<31, 444, (outs GPRC:$rA), (ins GPRC:$rS, GPRC:$rB),
948                   "or $rA, $rS, $rB", IntGeneral,
949                   [(set GPRC:$rA, (or GPRC:$rS, GPRC:$rB))]>;
950def NOR  : XForm_6<31, 124, (outs GPRC:$rA), (ins GPRC:$rS, GPRC:$rB),
951                   "nor $rA, $rS, $rB", IntGeneral,
952                   [(set GPRC:$rA, (not (or GPRC:$rS, GPRC:$rB)))]>;
953def ORC  : XForm_6<31, 412, (outs GPRC:$rA), (ins GPRC:$rS, GPRC:$rB),
954                   "orc $rA, $rS, $rB", IntGeneral,
955                   [(set GPRC:$rA, (or GPRC:$rS, (not GPRC:$rB)))]>;
956def EQV  : XForm_6<31, 284, (outs GPRC:$rA), (ins GPRC:$rS, GPRC:$rB),
957                   "eqv $rA, $rS, $rB", IntGeneral,
958                   [(set GPRC:$rA, (not (xor GPRC:$rS, GPRC:$rB)))]>;
959def XOR  : XForm_6<31, 316, (outs GPRC:$rA), (ins GPRC:$rS, GPRC:$rB),
960                   "xor $rA, $rS, $rB", IntGeneral,
961                   [(set GPRC:$rA, (xor GPRC:$rS, GPRC:$rB))]>;
962def SLW  : XForm_6<31,  24, (outs GPRC:$rA), (ins GPRC:$rS, GPRC:$rB),
963                   "slw $rA, $rS, $rB", IntGeneral,
964                   [(set GPRC:$rA, (PPCshl GPRC:$rS, GPRC:$rB))]>;
965def SRW  : XForm_6<31, 536, (outs GPRC:$rA), (ins GPRC:$rS, GPRC:$rB),
966                   "srw $rA, $rS, $rB", IntGeneral,
967                   [(set GPRC:$rA, (PPCsrl GPRC:$rS, GPRC:$rB))]>;
968let Defs = [CARRY] in {
969def SRAW : XForm_6<31, 792, (outs GPRC:$rA), (ins GPRC:$rS, GPRC:$rB),
970                   "sraw $rA, $rS, $rB", IntShift,
971                   [(set GPRC:$rA, (PPCsra GPRC:$rS, GPRC:$rB))]>;
972}
973}
974
975let PPC970_Unit = 1 in {  // FXU Operations.
976let Defs = [CARRY] in {
977def SRAWI : XForm_10<31, 824, (outs GPRC:$rA), (ins GPRC:$rS, u5imm:$SH), 
978                     "srawi $rA, $rS, $SH", IntShift,
979                     [(set GPRC:$rA, (sra GPRC:$rS, (i32 imm:$SH)))]>;
980}
981def CNTLZW : XForm_11<31,  26, (outs GPRC:$rA), (ins GPRC:$rS),
982                      "cntlzw $rA, $rS", IntGeneral,
983                      [(set GPRC:$rA, (ctlz GPRC:$rS))]>;
984def EXTSB  : XForm_11<31, 954, (outs GPRC:$rA), (ins GPRC:$rS),
985                      "extsb $rA, $rS", IntGeneral,
986                      [(set GPRC:$rA, (sext_inreg GPRC:$rS, i8))]>;
987def EXTSH  : XForm_11<31, 922, (outs GPRC:$rA), (ins GPRC:$rS),
988                      "extsh $rA, $rS", IntGeneral,
989                      [(set GPRC:$rA, (sext_inreg GPRC:$rS, i16))]>;
990
991def CMPW   : XForm_16_ext<31, 0, (outs CRRC:$crD), (ins GPRC:$rA, GPRC:$rB),
992                          "cmpw $crD, $rA, $rB", IntCompare>;
993def CMPLW  : XForm_16_ext<31, 32, (outs CRRC:$crD), (ins GPRC:$rA, GPRC:$rB),
994                          "cmplw $crD, $rA, $rB", IntCompare>;
995}
996let PPC970_Unit = 3 in {  // FPU Operations.
997//def FCMPO  : XForm_17<63, 32, (outs CRRC:$crD), (ins FPRC:$fA, FPRC:$fB),
998//                      "fcmpo $crD, $fA, $fB", FPCompare>;
999def FCMPUS : XForm_17<63, 0, (outs CRRC:$crD), (ins F4RC:$fA, F4RC:$fB),
1000                      "fcmpu $crD, $fA, $fB", FPCompare>;
1001def FCMPUD : XForm_17<63, 0, (outs CRRC:$crD), (ins F8RC:$fA, F8RC:$fB),
1002                      "fcmpu $crD, $fA, $fB", FPCompare>;
1003
1004let Uses = [RM] in {
1005  def FCTIWZ : XForm_26<63, 15, (outs F8RC:$frD), (ins F8RC:$frB),
1006                        "fctiwz $frD, $frB", FPGeneral,
1007                        [(set F8RC:$frD, (PPCfctiwz F8RC:$frB))]>;
1008  def FRSP   : XForm_26<63, 12, (outs F4RC:$frD), (ins F8RC:$frB),
1009                        "frsp $frD, $frB", FPGeneral,
1010                        [(set F4RC:$frD, (fround F8RC:$frB))]>;
1011  def FSQRT  : XForm_26<63, 22, (outs F8RC:$frD), (ins F8RC:$frB),
1012                        "fsqrt $frD, $frB", FPSqrt,
1013                        [(set F8RC:$frD, (fsqrt F8RC:$frB))]>;
1014  def FSQRTS : XForm_26<59, 22, (outs F4RC:$frD), (ins F4RC:$frB),
1015                        "fsqrts $frD, $frB", FPSqrt,
1016                        [(set F4RC:$frD, (fsqrt F4RC:$frB))]>;
1017  }
1018}
1019
1020/// FMR is split into 3 versions, one for 4/8 byte FP, and one for extending.
1021///
1022/// Note that these are defined as pseudo-ops on the PPC970 because they are
1023/// often coalesced away and we don't want the dispatch group builder to think
1024/// that they will fill slots (which could cause the load of a LSU reject to
1025/// sneak into a d-group with a store).
1026def FMRS   : XForm_26<63, 72, (outs F4RC:$frD), (ins F4RC:$frB),
1027                      "fmr $frD, $frB", FPGeneral,
1028                      []>,  // (set F4RC:$frD, F4RC:$frB)
1029                      PPC970_Unit_Pseudo;
1030def FMRD   : XForm_26<63, 72, (outs F8RC:$frD), (ins F8RC:$frB),
1031                      "fmr $frD, $frB", FPGeneral,
1032                      []>,  // (set F8RC:$frD, F8RC:$frB)
1033                      PPC970_Unit_Pseudo;
1034def FMRSD  : XForm_26<63, 72, (outs F8RC:$frD), (ins F4RC:$frB),
1035                      "fmr $frD, $frB", FPGeneral,
1036                      [(set F8RC:$frD, (fextend F4RC:$frB))]>,
1037                      PPC970_Unit_Pseudo;
1038
1039let PPC970_Unit = 3 in {  // FPU Operations.
1040// These are artificially split into two different forms, for 4/8 byte FP.
1041def FABSS  : XForm_26<63, 264, (outs F4RC:$frD), (ins F4RC:$frB),
1042                      "fabs $frD, $frB", FPGeneral,
1043                      [(set F4RC:$frD, (fabs F4RC:$frB))]>;
1044def FABSD  : XForm_26<63, 264, (outs F8RC:$frD), (ins F8RC:$frB),
1045                      "fabs $frD, $frB", FPGeneral,
1046                      [(set F8RC:$frD, (fabs F8RC:$frB))]>;
1047def FNABSS : XForm_26<63, 136, (outs F4RC:$frD), (ins F4RC:$frB),
1048                      "fnabs $frD, $frB", FPGeneral,
1049                      [(set F4RC:$frD, (fneg (fabs F4RC:$frB)))]>;
1050def FNABSD : XForm_26<63, 136, (outs F8RC:$frD), (ins F8RC:$frB),
1051                      "fnabs $frD, $frB", FPGeneral,
1052                      [(set F8RC:$frD, (fneg (fabs F8RC:$frB)))]>;
1053def FNEGS  : XForm_26<63, 40, (outs F4RC:$frD), (ins F4RC:$frB),
1054                      "fneg $frD, $frB", FPGeneral,
1055                      [(set F4RC:$frD, (fneg F4RC:$frB))]>;
1056def FNEGD  : XForm_26<63, 40, (outs F8RC:$frD), (ins F8RC:$frB),
1057                      "fneg $frD, $frB", FPGeneral,
1058                      [(set F8RC:$frD, (fneg F8RC:$frB))]>;
1059}
1060                      
1061
1062// XL-Form instructions.  condition register logical ops.
1063//
1064def MCRF   : XLForm_3<19, 0, (outs CRRC:$BF), (ins CRRC:$BFA),
1065                      "mcrf $BF, $BFA", BrMCR>,
1066             PPC970_DGroup_First, PPC970_Unit_CRU;
1067
1068def CREQV  : XLForm_1<19, 289, (outs CRBITRC:$CRD),
1069                               (ins CRBITRC:$CRA, CRBITRC:$CRB),
1070                      "creqv $CRD, $CRA, $CRB", BrCR,
1071                      []>;
1072
1073def CROR  : XLForm_1<19, 449, (outs CRBITRC:$CRD),
1074                               (ins CRBITRC:$CRA, CRBITRC:$CRB),
1075                      "cror $CRD, $CRA, $CRB", BrCR,
1076                      []>;
1077
1078def CRSET  : XLForm_1_ext<19, 289, (outs CRBITRC:$dst), (ins),
1079              "creqv $dst, $dst, $dst", BrCR,
1080              []>;
1081
1082// XFX-Form instructions.  Instructions that deal with SPRs.
1083//
1084let Uses = [CTR] in {
1085def MFCTR : XFXForm_1_ext<31, 339, 9, (outs GPRC:$rT), (ins),
1086                          "mfctr $rT", SprMFSPR>,
1087            PPC970_DGroup_First, PPC970_Unit_FXU;
1088}
1089let Defs = [CTR], Pattern = [(PPCmtctr GPRC:$rS)] in {
1090def MTCTR : XFXForm_7_ext<31, 467, 9, (outs), (ins GPRC:$rS),
1091                          "mtctr $rS", SprMTSPR>,
1092            PPC970_DGroup_First, PPC970_Unit_FXU;
1093}
1094
1095let Defs = [LR] in {
1096def MTLR  : XFXForm_7_ext<31, 467, 8, (outs), (ins GPRC:$rS),
1097                          "mtlr $rS", SprMTSPR>,
1098            PPC970_DGroup_First, PPC970_Unit_FXU;
1099}
1100let Uses = [LR] in {
1101def MFLR  : XFXForm_1_ext<31, 339, 8, (outs GPRC:$rT), (ins),
1102                          "mflr $rT", SprMFSPR>,
1103            PPC970_DGroup_First, PPC970_Unit_FXU;
1104}
1105
1106// Move to/from VRSAVE: despite being a SPR, the VRSAVE register is renamed like
1107// a GPR on the PPC970.  As such, copies in and out have the same performance
1108// characteristics as an OR instruction.
1109def MTVRSAVE : XFXForm_7_ext<31, 467, 256, (outs), (ins GPRC:$rS),
1110                             "mtspr 256, $rS", IntGeneral>,
1111               PPC970_DGroup_Single, PPC970_Unit_FXU;
1112def MFVRSAVE : XFXForm_1_ext<31, 339, 256, (outs GPRC:$rT), (ins),
1113                             "mfspr $rT, 256", IntGeneral>,
1114               PPC970_DGroup_First, PPC970_Unit_FXU;
1115
1116def MTCRF : XFXForm_5<31, 144, (outs), (ins crbitm:$FXM, GPRC:$rS),
1117                      "mtcrf $FXM, $rS", BrMCRX>,
1118            PPC970_MicroCode, PPC970_Unit_CRU;
1119// FIXME:  this Uses all the CR registers.  Marking it as such is 
1120// necessary for DeadMachineInstructionElim to do the right thing.
1121// However, marking it also exposes PR 2964, and causes crashes in
1122// the Local RA because it doesn't like this sequence:
1123//  vreg = MCRF  CR0
1124//  MFCR  <kill of whatever preg got assigned to vreg>
1125// For now DeadMachineInstructionElim is turned off, so don't do the marking.
1126def MFCR  : XFXForm_3<31, 19, (outs GPRC:$rT), (ins), "mfcr $rT", SprMFCR>,
1127            PPC970_MicroCode, PPC970_Unit_CRU;
1128def MFOCRF: XFXForm_5a<31, 19, (outs GPRC:$rT), (ins crbitm:$FXM),
1129                       "mfcr $rT, $FXM", SprMFCR>,
1130            PPC970_DGroup_First, PPC970_Unit_CRU;
1131
1132// Instructions to manipulate FPSCR.  Only long double handling uses these.
1133// FPSCR is not modelled; we use the SDNode Flag to keep things in order.
1134
1135let Uses = [RM], Defs = [RM] in { 
1136  def MTFSB0 : XForm_43<63, 70, (outs), (ins u5imm:$FM),
1137                         "mtfsb0 $FM", IntMTFSB0,
1138                        [(PPCmtfsb0 (i32 imm:$FM))]>,
1139               PPC970_DGroup_Single, PPC970_Unit_FPU;
1140  def MTFSB1 : XForm_43<63, 38, (outs), (ins u5imm:$FM),
1141                         "mtfsb1 $FM", IntMTFSB0,
1142                        [(PPCmtfsb1 (i32 imm:$FM))]>,
1143               PPC970_DGroup_Single, PPC970_Unit_FPU;
1144  // MTFSF does not actually produce an FP result.  We pretend it copies
1145  // input reg B to the output.  If we didn't do this it would look like the
1146  // instruction had no outputs (because we aren't modelling the FPSCR) and
1147  // it would be deleted.
1148  def MTFSF  : XFLForm<63, 711, (outs F8RC:$FRA),
1149                                (ins i32imm:$FM, F8RC:$rT, F8RC:$FRB),
1150                         "mtfsf $FM, $rT", "$FRB = $FRA", IntMTFSB0,
1151                         [(set F8RC:$FRA, (PPCmtfsf (i32 imm:$FM), 
1152                                                     F8RC:$rT, F8RC:$FRB))]>,
1153               PPC970_DGroup_Single, PPC970_Unit_FPU;
1154}
1155let Uses = [RM] in {
1156  def MFFS   : XForm_42<63, 583, (outs F8RC:$rT), (ins), 
1157                         "mffs $rT", IntMFFS,
1158                         [(set F8RC:$rT, (PPCmffs))]>,
1159               PPC970_DGroup_Single, PPC970_Unit_FPU;
1160  def FADDrtz: AForm_2<63, 21,
1161                      (outs F8RC:$FRT), (ins F8RC:$FRA, F8RC:$FRB),
1162                      "fadd $FRT, $FRA, $FRB", FPGeneral,
1163                      [(set F8RC:$FRT, (PPCfaddrtz F8RC:$FRA, F8RC:$FRB))]>,
1164               PPC970_DGroup_Single, PPC970_Unit_FPU;
1165}
1166
1167
1168let PPC970_Unit = 1 in {  // FXU Operations.
1169
1170// XO-Form instructions.  Arithmetic instructions that can set overflow bit
1171//
1172def ADD4  : XOForm_1<31, 266, 0, (outs GPRC:$rT), (ins GPRC:$rA, GPRC:$rB),
1173                     "add $rT, $rA, $rB", IntGeneral,
1174                     [(set GPRC:$rT, (add GPRC:$rA, GPRC:$rB))]>;
1175let Defs = [CARRY] in {
1176def ADDC  : XOForm_1<31, 10, 0, (outs GPRC:$rT), (ins GPRC:$rA, GPRC:$rB),
1177                     "addc $rT, $rA, $rB", IntGeneral,
1178                     [(set GPRC:$rT, (addc GPRC:$rA, GPRC:$rB))]>,
1179                     PPC970_DGroup_Cracked;
1180}
1181def DIVW  : XOForm_1<31, 491, 0, (outs GPRC:$rT), (ins GPRC:$rA, GPRC:$rB),
1182                     "divw $rT, $rA, $rB", IntDivW,
1183                     [(set GPRC:$rT, (sdiv GPRC:$rA, GPRC:$rB))]>,
1184                     PPC970_DGroup_First, PPC970_DGroup_Cracked;
1185def DIVWU : XOForm_1<31, 459, 0, (outs GPRC:$rT), (ins GPRC:$rA, GPRC:$rB),
1186                     "divwu $rT, $rA, $rB", IntDivW,
1187                     [(set GPRC:$rT, (udiv GPRC:$rA, GPRC:$rB))]>,
1188                     PPC970_DGroup_First, PPC970_DGroup_Cracked;
1189def MULHW : XOForm_1<31, 75, 0, (outs GPRC:$rT), (ins GPRC:$rA, GPRC:$rB),
1190                     "mulhw $rT, $rA, $rB", IntMulHW,
1191                     [(set GPRC:$rT, (mulhs GPRC:$rA, GPRC:$rB))]>;
1192def MULHWU : XOForm_1<31, 11, 0, (outs GPRC:$rT), (ins GPRC:$rA, GPRC:$rB),
1193                     "mulhwu $rT, $rA, $rB", IntMulHWU,
1194                     [(set GPRC:$rT, (mulhu GPRC:$rA, GPRC:$rB))]>;
1195def MULLW : XOForm_1<31, 235, 0, (outs GPRC:$rT), (ins GPRC:$rA, GPRC:$rB),
1196                     "mullw $rT, $rA, $rB", IntMulHW,
1197                     [(set GPRC:$rT, (mul GPRC:$rA, GPRC:$rB))]>;
1198def SUBF  : XOForm_1<31, 40, 0, (outs GPRC:$rT), (ins GPRC:$rA, GPRC:$rB),
1199                     "subf $rT, $rA, $rB", IntGeneral,
1200                     [(set GPRC:$rT, (sub GPRC:$rB, GPRC:$rA))]>;
1201let Defs = [CARRY] in {
1202def SUBFC : XOForm_1<31, 8, 0, (outs GPRC:$rT), (ins GPRC:$rA, GPRC:$rB),
1203                     "subfc $rT, $rA, $rB", IntGeneral,
1204                     [(set GPRC:$rT, (subc GPRC:$rB, GPRC:$rA))]>,
1205                     PPC970_DGroup_Cracked;
1206}
1207def NEG    : XOForm_3<31, 104, 0, (outs GPRC:$rT), (ins GPRC:$rA),
1208                      "neg $rT, $rA", IntGeneral,
1209                      [(set GPRC:$rT, (ineg GPRC:$rA))]>;
1210let Uses = [CARRY], Defs = [CARRY] in {
1211def ADDE  : XOForm_1<31, 138, 0, (outs GPRC:$rT), (ins GPRC:$rA, GPRC:$rB),
1212                      "adde $rT, $rA, $rB", IntGeneral,
1213                      [(set GPRC:$rT, (adde GPRC:$rA, GPRC:$rB))]>;
1214def ADDME  : XOForm_3<31, 234, 0, (outs GPRC:$rT), (ins GPRC:$rA),
1215                      "addme $rT, $rA", IntGeneral,
1216                      [(set GPRC:$rT, (adde GPRC:$rA, immAllOnes))]>;
1217def ADDZE  : XOForm_3<31, 202, 0, (outs GPRC:$rT), (ins GPRC:$rA),
1218                      "addze $rT, $rA", IntGeneral,
1219                      [(set GPRC:$rT, (adde GPRC:$rA, 0))]>;
1220def SUBFE : XOForm_1<31, 136, 0, (outs GPRC:$rT), (ins GPRC:$rA, GPRC:$rB),
1221                      "subfe $rT, $rA, $rB", IntGeneral,
1222                      [(set GPRC:$rT, (sube GPRC:$rB, GPRC:$rA))]>;
1223def SUBFME : XOForm_3<31, 232, 0, (outs GPRC:$rT), (ins GPRC:$rA),
1224                      "subfme $rT, $rA", IntGeneral,
1225                      [(set GPRC:$rT, (sube immAllOnes, GPRC:$rA))]>;
1226def SUBFZE : XOForm_3<31, 200, 0, (outs GPRC:$rT), (ins GPRC:$rA),
1227                      "subfze $rT, $rA", IntGeneral,
1228                      [(set GPRC:$rT, (sube 0, GPRC:$rA))]>;
1229}
1230}
1231
1232// A-Form instructions.  Most of the instructions executed in the FPU are of
1233// this type.
1234//
1235let PPC970_Unit = 3 in {  // FPU Operations.
1236let Uses = [RM] in {
1237  def FMADD : AForm_1<63, 29, 
1238                      (outs F8RC:$FRT), (ins F8RC:$FRA, F8RC:$FRC, F8RC:$FRB),
1239                      "fmadd $FRT, $FRA, $FRC, $FRB", FPFused,
1240                      [(set F8RC:$FRT, (fadd (fmul F8RC:$FRA, F8RC:$FRC),
1241                                             F8RC:$FRB))]>,
1242                      Requires<[FPContractions]>;
1243  def FMADDS : AForm_1<59, 29,
1244                      (outs F4RC:$FRT), (ins F4RC:$FRA, F4RC:$FRC, F4RC:$FRB),
1245                      "fmadds $FRT, $FRA, $FRC, $FRB", FPGeneral,
1246                      [(set F4RC:$FRT, (fadd (fmul F4RC:$FRA, F4RC:$FRC),
1247                                             F4RC:$FRB))]>,
1248                      Requires<[FPContractions]>;
1249  def FMSUB : AForm_1<63, 28,
1250                      (outs F8RC:$FRT), (ins F8RC:$FRA, F8RC:$FRC, F8RC:$FRB),
1251                      "fmsub $FRT, $FRA, $FRC, $FRB", FPFused,
1252                      [(set F8RC:$FRT, (fsub (fmul F8RC:$FRA, F8RC:$FRC),
1253                                             F8RC:$FRB))]>,
1254                      Requires<[FPContractions]>;
1255  def FMSUBS : AForm_1<59, 28,
1256                      (outs F4RC:$FRT), (ins F4RC:$FRA, F4RC:$FRC, F4RC:$FRB),
1257                      "fmsubs $FRT, $FRA, $FRC, $FRB", FPGeneral,
1258                      [(set F4RC:$FRT, (fsub (fmul F4RC:$FRA, F4RC:$FRC),
1259                                             F4RC:$FRB))]>,
1260                      Requires<[FPContractions]>;
1261  def FNMADD : AForm_1<63, 31,
1262                      (outs F8RC:$FRT), (ins F8RC:$FRA, F8RC:$FRC, F8RC:$FRB),
1263                      "fnmadd $FRT, $FRA, $FRC, $FRB", FPFused,
1264                      [(set F8RC:$FRT, (fneg (fadd (fmul F8RC:$FRA, F8RC:$FRC),
1265                                                   F8RC:$FRB)))]>,
1266                      Requires<[FPContractions]>;
1267  def FNMADDS : AForm_1<59, 31,
1268                      (outs F4RC:$FRT), (ins F4RC:$FRA, F4RC:$FRC, F4RC:$FRB),
1269                      "fnmadds $FRT, $FRA, $FRC, $FRB", FPGeneral,
1270                      [(set F4RC:$FRT, (fneg (fadd (fmul F4RC:$FRA, F4RC:$FRC),
1271                                                   F4RC:$FRB)))]>,
1272                      Requires<[FPContractions]>;
1273  def FNMSUB : AForm_1<63, 30,
1274                      (outs F8RC:$FRT), (ins F8RC:$FRA, F8RC:$FRC, F8RC:$FRB),
1275                      "fnmsub $FRT, $FRA, $FRC, $FRB", FPFused,
1276                      [(set F8RC:$FRT, (fneg (fsub (fmul F8RC:$FRA, F8RC:$FRC),
1277                                                   F8RC:$FRB)))]>,
1278                      Requires<[FPContractions]>;
1279  def FNMSUBS : AForm_1<59, 30,
1280                      (outs F4RC:$FRT), (ins F4RC:$FRA, F4RC:$FRC, F4RC:$FRB),
1281                      "fnmsubs $FRT, $FRA, $FRC, $FRB", FPGeneral,
1282                      [(set F4RC:$FRT, (fneg (fsub (fmul F4RC:$FRA, F4RC:$FRC),
1283                                                   F4RC:$FRB)))]>,
1284                      Requires<[FPContractions]>;
1285}
1286// FSEL is artificially split into 4 and 8-byte forms for the result.  To avoid
1287// having 4 of these, force the comparison to always be an 8-byte double (code
1288// should use an FMRSD if the input comparison value really wants to be a float)
1289// and 4/8 byte forms for the result and operand type..
1290def FSELD : AForm_1<63, 23,
1291                    (outs F8RC:$FRT), (ins F8RC:$FRA, F8RC:$FRC, F8RC:$FRB),
1292                    "fsel $FRT, $FRA, $FRC, $FRB", FPGeneral,
1293                    [(set F8RC:$FRT, (PPCfsel F8RC:$FRA,F8RC:$FRC,F8RC:$FRB))]>;
1294def FSELS : AForm_1<63, 23,
1295                     (outs F4RC:$FRT), (ins F8RC:$FRA, F4RC:$FRC, F4RC:$FRB),
1296                     "fsel $FRT, $FRA, $FRC, $FRB", FPGeneral,
1297                    [(set F4RC:$FRT, (PPCfsel F8RC:$FRA,F4RC:$FRC,F4RC:$FRB))]>;
1298let Uses = [RM] in {
1299  def FADD  : AForm_2<63, 21,
1300                      (outs F8RC:$FRT), (ins F8RC:$FRA, F8RC:$FRB),
1301                      "fadd $FRT, $FRA, $FRB", FPGeneral,
1302                      [(set F8RC:$FRT, (fadd F8RC:$FRA, F8RC:$FRB))]>;
1303  def FADDS : AForm_2<59, 21,
1304                      (outs F4RC:$FRT), (ins F4RC:$FRA, F4RC:$FRB),
1305                      "fadds $FRT, $FRA, $FRB", FPGeneral,
1306                      [(set F4RC:$FRT, (fadd F4RC:$FRA, F4RC:$FRB))]>;
1307  def FDIV  : AForm_2<63, 18,
1308                      (outs F8RC:$FRT), (ins F8RC:$FRA, F8RC:$FRB),
1309                      "fdiv $FRT, $FRA, $FRB", FPDivD,
1310                      [(set F8RC:$FRT, (fdiv F8RC:$FRA, F8RC:$FRB))]>;
1311  def FDIVS : AForm_2<59, 18,
1312                      (outs F4RC:$FRT), (ins F4RC:$FRA, F4RC:$FRB),
1313                      "fdivs $FRT, $FRA, $FRB", FPDivS,
1314                      [(set F4RC:$FRT, (fdiv F4RC:$FRA, F4RC:$FRB))]>;
1315  def FMUL  : AForm_3<63, 25,
1316                      (outs F8RC:$FRT), (ins F8RC:$FRA, F8RC:$FRB),
1317                      "fmul $FRT, $FRA, $FRB", FPFused,
1318                      [(set F8RC:$FRT, (fmul F8RC:$FRA, F8RC:$FRB))]>;
1319  def FMULS : AForm_3<59, 25,
1320                      (outs F4RC:$FRT), (ins F4RC:$FRA, F4RC:$FRB),
1321                      "fmuls $FRT, $FRA, $FRB", FPGeneral,
1322                      [(set F4RC:$FRT, (fmul F4RC:$FRA, F4RC:$FRB))]>;
1323  def FSUB  : AForm_2<63, 20,
1324                      (outs F8RC:$FRT), (ins F8RC:$FRA, F8RC:$FRB),
1325                      "fsub $FRT, $FRA, $FRB", FPGeneral,
1326                      [(set F8RC:$FRT, (fsub F8RC:$FRA, F8RC:$FRB))]>;
1327  def FSUBS : AForm_2<59, 20,
1328                      (outs F4RC:$FRT), (ins F4RC:$FRA, F4RC:$FRB),
1329                      "fsubs $FRT, $FRA, $FRB", FPGeneral,
1330                      [(set F4RC:$FRT, (fsub F4RC:$FRA, F4RC:$FRB))]>;
1331  }
1332}
1333
1334let PPC970_Unit = 1 in {  // FXU Operations.
1335// M-Form instructions.  rotate and mask instructions.
1336//
1337let isCommutable = 1 in {
1338// RLWIMI can be commuted if the rotate amount is zero.
1339def RLWIMI : MForm_2<20,
1340                     (outs GPRC:$rA), (ins GPRC:$rSi, GPRC:$rS, u5imm:$SH, u5imm:$MB, 
1341                      u5imm:$ME), "rlwimi $rA, $rS, $SH, $MB, $ME", IntRotate,
1342                      []>, PPC970_DGroup_Cracked, RegConstraint<"$rSi = $rA">,
1343                      NoEncode<"$rSi">;
1344}
1345def RLWINM : MForm_2<21,
1346                     (outs GPRC:$rA), (ins GPRC:$rS, u5imm:$SH, u5imm:$MB, u5imm:$ME),
1347                     "rlwinm $rA, $rS, $SH, $MB, $ME", IntGeneral,
1348                     []>;
1349def RLWINMo : MForm_2<21,
1350                     (outs GPRC:$rA), (ins GPRC:$rS, u5imm:$SH, u5imm:$MB, u5imm:$ME),
1351                     "rlwinm. $rA, $rS, $SH, $MB, $ME", IntGeneral,
1352                     []>, isDOT, PPC970_DGroup_Cracked;
1353def RLWNM  : MForm_2<23,
1354                     (outs GPRC:$rA), (ins GPRC:$rS, GPRC:$rB, u5imm:$MB, u5imm:$ME),
1355                     "rlwnm $rA, $rS, $rB, $MB, $ME", IntGeneral,
1356                     []>;
1357}
1358
1359
1360//===----------------------------------------------------------------------===//
1361// DWARF Pseudo Instructions
1362//
1363
1364def DWARF_LOC        : Pseudo<(outs), (ins i32imm:$line, i32imm:$col, i32imm:$file),
1365                              "${:comment} .loc $file, $line, $col",
1366                      [(dwarf_loc (i32 imm:$line), (i32 imm:$col),
1367                                  (i32 imm:$file))]>;
1368
1369//===----------------------------------------------------------------------===//
1370// PowerPC Instruction Patterns
1371//
1372
1373// Arbitrary immediate support.  Implement in terms of LIS/ORI.
1374def : Pat<(i32 imm:$imm),
1375          (ORI (LIS (HI16 imm:$imm)), (LO16 imm:$imm))>;
1376
1377// Implement the 'not' operation with the NOR instruction.
1378def NOT : Pat<(not GPRC:$in),
1379              (NOR GPRC:$in, GPRC:$in)>;
1380
1381// ADD an arbitrary immediate.
1382def : Pat<(add GPRC:$in, imm:$imm),
1383          (ADDIS (ADDI GPRC:$in, (LO16 imm:$imm)), (HA16 imm:$imm))>;
1384// OR an arbitrary immediate.
1385def : Pat<(or GPRC:$in, imm:$imm),
1386          (ORIS (ORI GPRC:$in, (LO16 imm:$imm)), (HI16 imm:$imm))>;
1387// XOR an arbitrary immediate.
1388def : Pat<(xor GPRC:$in, imm:$imm),
1389          (XORIS (XORI GPRC:$in, (LO16 imm:$imm)), (HI16 imm:$imm))>;
1390// SUBFIC
1391def : Pat<(sub  immSExt16:$imm, GPRC:$in),
1392          (SUBFIC GPRC:$in, imm:$imm)>;
1393
1394// SHL/SRL
1395def : Pat<(shl GPRC:$in, (i32 imm:$imm)),
1396          (RLWINM GPRC:$in, imm:$imm, 0, (SHL32 imm:$imm))>;
1397def : Pat<(srl GPRC:$in, (i32 imm:$imm)),
1398          (RLWINM GPRC:$in, (SRL32 imm:$imm), imm:$imm, 31)>;
1399
1400// ROTL
1401def : Pat<(rotl GPRC:$in, GPRC:$sh),
1402          (RLWNM GPRC:$in, GPRC:$sh, 0, 31)>;
1403def : Pat<(rotl GPRC:$in, (i32 imm:$imm)),
1404          (RLWINM GPRC:$in, imm:$imm, 0, 31)>;
1405
1406// RLWNM
1407def : Pat<(and (rotl GPRC:$in, GPRC:$sh), maskimm32:$imm),
1408          (RLWNM GPRC:$in, GPRC:$sh, (MB maskimm32:$imm), (ME maskimm32:$imm))>;
1409
1410// Calls
1411def : Pat<(PPCcall_Darwin (i32 tglobaladdr:$dst)),
1412          (BL_Darwin tglobaladdr:$dst)>;
1413def : Pat<(PPCcall_Darwin (i32 texternalsym:$dst)),
1414          (BL_Darwin texternalsym:$dst)>;
1415def : Pat<(PPCcall_SVR4 (i32 tglobaladdr:$dst)),
1416          (BL_SVR4 tglobaladdr:$dst)>;
1417def : Pat<(PPCcall_SVR4 (i32 texternalsym:$dst)),
1418          (BL_SVR4 texternalsym:$dst)>;
1419
1420
1421def : Pat<(PPCtc_return (i32 tglobaladdr:$dst),  imm:$imm),
1422          (TCRETURNdi tglobaladdr:$dst, imm:$imm)>;
1423
1424def : Pat<(PPCtc_return (i32 texternalsym:$dst), imm:$imm),
1425          (TCRETURNdi texternalsym:$dst, imm:$imm)>;
1426
1427def : Pat<(PPCtc_return CTRRC:$dst, imm:$imm),
1428          (TCRETURNri CTRRC:$dst, imm:$imm)>;
1429
1430
1431
1432// Hi and Lo for Darwin Global Addresses.
1433def : Pat<(PPChi tglobaladdr:$in, 0), (LIS tglobaladdr:$in)>;
1434def : Pat<(PPClo tglobaladdr:$in, 0), (LI tglobaladdr:$in)>;
1435def : Pat<(PPChi tconstpool:$in, 0), (LIS tconstpool:$in)>;
1436def : Pat<(PPClo tconstpool:$in, 0), (LI tconstpool:$in)>;
1437def : Pat<(PPChi tjumptable:$in, 0), (LIS tjumptable:$in)>;
1438def : Pat<(PPClo tjumptable:$in, 0), (LI tjumptable:$in)>;
1439def : Pat<(PPChi tblockaddress:$in, 0), (LIS tblockaddress:$in)>;
1440def : Pat<(PPClo tblockaddress:$in, 0), (LI tblockaddress:$in)>;
1441def : Pat<(add GPRC:$in, (PPChi tglobaladdr:$g, 0)),
1442          (ADDIS GPRC:$in, tglobaladdr:$g)>;
1443def : Pat<(add GPRC:$in, (PPChi tconstpool:$g, 0)),
1444          (ADDIS GPRC:$in, tconstpool:$g)>;
1445def : Pat<(add GPRC:$in, (PPChi tjumptable:$g, 0)),
1446          (ADDIS GPRC:$in, tjumptable:$g)>;
1447def : Pat<(add GPRC:$in, (PPChi tblockaddress:$g, 0)),
1448          (ADDIS GPRC:$in, tblockaddress:$g)>;
1449
1450// Fused negative multiply subtract, alternate pattern
1451def : Pat<(fsub F8RC:$B, (fmul F8RC:$A, F8RC:$C)),
1452          (FNMSUB F8RC:$A, F8RC:$C, F8RC:$B)>,
1453          Requires<[FPContractions]>;
1454def : Pat<(fsub F4RC:$B, (fmul F4RC:$A, F4RC:$C)),
1455          (FNMSUBS F4RC:$A, F4RC:$C, F4RC:$B)>,
1456          Requires<[FPContractions]>;
1457
1458// Standard shifts.  These are represented separately from the real shifts above
1459// so that we can distinguish between shifts that allow 5-bit and 6-bit shift
1460// amounts.
1461def : Pat<(sra GPRC:$rS, GPRC:$rB),
1462          (SRAW GPRC:$rS, GPRC:$rB)>;
1463def : Pat<(srl GPRC:$rS, GPRC:$rB),
1464          (SRW GPRC:$rS, GPRC:$rB)>;
1465def : Pat<(shl GPRC:$rS, GPRC:$rB),
1466          (SLW GPRC:$rS, GPRC:$rB)>;
1467
1468def : Pat<(zextloadi1 iaddr:$src),
1469          (LBZ iaddr:$src)>;
1470def : Pat<(zextloadi1 xaddr:$src),
1471          (LBZX xaddr:$src)>;
1472def : Pat<(extloadi1 iaddr:$src),
1473          (LBZ iaddr:$src)>;
1474def : Pat<(extloadi1 xaddr:$src),
1475          (LBZX xaddr:$src)>;
1476def : Pat<(extloadi8 iaddr:$src),
1477          (LBZ iaddr:$src)>;
1478def : Pat<(extloadi8 xaddr:$src),
1479          (LBZX xaddr:$src)>;
1480def : Pat<(extloadi16 iaddr:$src),
1481          (LHZ iaddr:$src)>;
1482def : Pat<(extloadi16 xaddr:$src),
1483          (LHZX xaddr:$src)>;
1484def : Pat<(extloadf32 iaddr:$src),
1485          (FMRSD (LFS iaddr:$src))>;
1486def : Pat<(extloadf32 xaddr:$src),
1487          (FMRSD (LFSX xaddr:$src))>;
1488
1489// Memory barriers
1490def : Pat<(membarrier (i32 imm:$ll),
1491                      (i32 imm:$ls),
1492                      (i32 imm:$sl),
1493                      (i32 imm:$ss),
1494                      (i32 imm:$device)),
1495           (SYNC)>;
1496
1497include "PPCInstrAltivec.td"
1498include "PPCInstr64Bit.td"
1499