PPCInstrInfo.td revision 202375
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 PPCload   : SDNode<"PPCISD::LOAD", SDTypeProfile<1, 1, []>,
119                       [SDNPHasChain, SDNPOptInFlag, SDNPOutFlag]>;
120def PPCload_toc : SDNode<"PPCISD::LOAD_TOC", SDTypeProfile<0, 1, []>,
121                          [SDNPHasChain, SDNPInFlag, SDNPOutFlag]>;
122def PPCtoc_restore : SDNode<"PPCISD::TOC_RESTORE", SDTypeProfile<0, 0, []>,
123                            [SDNPHasChain, SDNPInFlag, SDNPOutFlag]>;
124def PPCmtctr      : SDNode<"PPCISD::MTCTR", SDT_PPCCall,
125                           [SDNPHasChain, SDNPOptInFlag, SDNPOutFlag]>;
126def PPCbctrl_Darwin  : SDNode<"PPCISD::BCTRL_Darwin", SDTNone,
127                              [SDNPHasChain, SDNPOptInFlag, SDNPOutFlag]>;
128
129def PPCbctrl_SVR4  : SDNode<"PPCISD::BCTRL_SVR4", SDTNone,
130                            [SDNPHasChain, SDNPOptInFlag, SDNPOutFlag]>;
131
132def retflag       : SDNode<"PPCISD::RET_FLAG", SDTNone,
133                           [SDNPHasChain, SDNPOptInFlag]>;
134
135def PPCtc_return : SDNode<"PPCISD::TC_RETURN", SDT_PPCTC_ret,
136                        [SDNPHasChain,  SDNPOptInFlag]>;
137
138def PPCvcmp       : SDNode<"PPCISD::VCMP" , SDT_PPCvcmp, []>;
139def PPCvcmp_o     : SDNode<"PPCISD::VCMPo", SDT_PPCvcmp, [SDNPOutFlag]>;
140
141def PPCcondbranch : SDNode<"PPCISD::COND_BRANCH", SDT_PPCcondbr,
142                           [SDNPHasChain, SDNPOptInFlag]>;
143
144def PPClbrx       : SDNode<"PPCISD::LBRX", SDT_PPClbrx,
145                           [SDNPHasChain, SDNPMayLoad]>;
146def PPCstbrx      : SDNode<"PPCISD::STBRX", SDT_PPCstbrx,
147                           [SDNPHasChain, SDNPMayStore]>;
148
149// Instructions to support atomic operations
150def PPClarx      : SDNode<"PPCISD::LARX", SDT_PPClarx,
151                          [SDNPHasChain, SDNPMayLoad]>;
152def PPCstcx      : SDNode<"PPCISD::STCX", SDT_PPCstcx,
153                          [SDNPHasChain, SDNPMayStore]>;
154
155// Instructions to support dynamic alloca.
156def SDTDynOp  : SDTypeProfile<1, 2, []>;
157def PPCdynalloc   : SDNode<"PPCISD::DYNALLOC", SDTDynOp, [SDNPHasChain]>;
158
159//===----------------------------------------------------------------------===//
160// PowerPC specific transformation functions and pattern fragments.
161//
162
163def SHL32 : SDNodeXForm<imm, [{
164  // Transformation function: 31 - imm
165  return getI32Imm(31 - N->getZExtValue());
166}]>;
167
168def SRL32 : SDNodeXForm<imm, [{
169  // Transformation function: 32 - imm
170  return N->getZExtValue() ? getI32Imm(32 - N->getZExtValue()) : getI32Imm(0);
171}]>;
172
173def LO16 : SDNodeXForm<imm, [{
174  // Transformation function: get the low 16 bits.
175  return getI32Imm((unsigned short)N->getZExtValue());
176}]>;
177
178def HI16 : SDNodeXForm<imm, [{
179  // Transformation function: shift the immediate value down into the low bits.
180  return getI32Imm((unsigned)N->getZExtValue() >> 16);
181}]>;
182
183def HA16 : SDNodeXForm<imm, [{
184  // Transformation function: shift the immediate value down into the low bits.
185  signed int Val = N->getZExtValue();
186  return getI32Imm((Val - (signed short)Val) >> 16);
187}]>;
188def MB : SDNodeXForm<imm, [{
189  // Transformation function: get the start bit of a mask
190  unsigned mb = 0, me;
191  (void)isRunOfOnes((unsigned)N->getZExtValue(), mb, me);
192  return getI32Imm(mb);
193}]>;
194
195def ME : SDNodeXForm<imm, [{
196  // Transformation function: get the end bit of a mask
197  unsigned mb, me = 0;
198  (void)isRunOfOnes((unsigned)N->getZExtValue(), mb, me);
199  return getI32Imm(me);
200}]>;
201def maskimm32 : PatLeaf<(imm), [{
202  // maskImm predicate - True if immediate is a run of ones.
203  unsigned mb, me;
204  if (N->getValueType(0) == MVT::i32)
205    return isRunOfOnes((unsigned)N->getZExtValue(), mb, me);
206  else
207    return false;
208}]>;
209
210def immSExt16  : PatLeaf<(imm), [{
211  // immSExt16 predicate - True if the immediate fits in a 16-bit sign extended
212  // field.  Used by instructions like 'addi'.
213  if (N->getValueType(0) == MVT::i32)
214    return (int32_t)N->getZExtValue() == (short)N->getZExtValue();
215  else
216    return (int64_t)N->getZExtValue() == (short)N->getZExtValue();
217}]>;
218def immZExt16  : PatLeaf<(imm), [{
219  // immZExt16 predicate - True if the immediate fits in a 16-bit zero extended
220  // field.  Used by instructions like 'ori'.
221  return (uint64_t)N->getZExtValue() == (unsigned short)N->getZExtValue();
222}], LO16>;
223
224// imm16Shifted* - These match immediates where the low 16-bits are zero.  There
225// are two forms: imm16ShiftedSExt and imm16ShiftedZExt.  These two forms are
226// identical in 32-bit mode, but in 64-bit mode, they return true if the
227// immediate fits into a sign/zero extended 32-bit immediate (with the low bits
228// clear).
229def imm16ShiftedZExt : PatLeaf<(imm), [{
230  // imm16ShiftedZExt predicate - True if only bits in the top 16-bits of the
231  // immediate are set.  Used by instructions like 'xoris'.
232  return (N->getZExtValue() & ~uint64_t(0xFFFF0000)) == 0;
233}], HI16>;
234
235def imm16ShiftedSExt : PatLeaf<(imm), [{
236  // imm16ShiftedSExt predicate - True if only bits in the top 16-bits of the
237  // immediate are set.  Used by instructions like 'addis'.  Identical to 
238  // imm16ShiftedZExt in 32-bit mode.
239  if (N->getZExtValue() & 0xFFFF) return false;
240  if (N->getValueType(0) == MVT::i32)
241    return true;
242  // For 64-bit, make sure it is sext right.
243  return N->getZExtValue() == (uint64_t)(int)N->getZExtValue();
244}], HI16>;
245
246
247//===----------------------------------------------------------------------===//
248// PowerPC Flag Definitions.
249
250class isPPC64 { bit PPC64 = 1; }
251class isDOT   {
252  list<Register> Defs = [CR0];
253  bit RC  = 1;
254}
255
256class RegConstraint<string C> {
257  string Constraints = C;
258}
259class NoEncode<string E> {
260  string DisableEncoding = E;
261}
262
263
264//===----------------------------------------------------------------------===//
265// PowerPC Operand Definitions.
266
267def s5imm   : Operand<i32> {
268  let PrintMethod = "printS5ImmOperand";
269}
270def u5imm   : Operand<i32> {
271  let PrintMethod = "printU5ImmOperand";
272}
273def u6imm   : Operand<i32> {
274  let PrintMethod = "printU6ImmOperand";
275}
276def s16imm  : Operand<i32> {
277  let PrintMethod = "printS16ImmOperand";
278}
279def u16imm  : Operand<i32> {
280  let PrintMethod = "printU16ImmOperand";
281}
282def s16immX4  : Operand<i32> {   // Multiply imm by 4 before printing.
283  let PrintMethod = "printS16X4ImmOperand";
284}
285def target : Operand<OtherVT> {
286  let PrintMethod = "printBranchOperand";
287}
288def calltarget : Operand<iPTR> {
289  let PrintMethod = "printCallOperand";
290}
291def aaddr : Operand<iPTR> {
292  let PrintMethod = "printAbsAddrOperand";
293}
294def piclabel: Operand<iPTR> {
295  let PrintMethod = "printPICLabel";
296}
297def symbolHi: Operand<i32> {
298  let PrintMethod = "printSymbolHi";
299}
300def symbolLo: Operand<i32> {
301  let PrintMethod = "printSymbolLo";
302}
303def crbitm: Operand<i8> {
304  let PrintMethod = "printcrbitm";
305}
306// Address operands
307def memri : Operand<iPTR> {
308  let PrintMethod = "printMemRegImm";
309  let MIOperandInfo = (ops i32imm:$imm, ptr_rc:$reg);
310}
311def memrr : Operand<iPTR> {
312  let PrintMethod = "printMemRegReg";
313  let MIOperandInfo = (ops ptr_rc, ptr_rc);
314}
315def memrix : Operand<iPTR> {   // memri where the imm is shifted 2 bits.
316  let PrintMethod = "printMemRegImmShifted";
317  let MIOperandInfo = (ops i32imm:$imm, ptr_rc:$reg);
318}
319def tocentry : Operand<iPTR> {
320  let PrintMethod = "printTOCEntryLabel";
321  let MIOperandInfo = (ops i32imm:$imm);
322}
323
324// PowerPC Predicate operand.  20 = (0<<5)|20 = always, CR0 is a dummy reg
325// that doesn't matter.
326def pred : PredicateOperand<OtherVT, (ops imm, CRRC),
327                                     (ops (i32 20), (i32 zero_reg))> {
328  let PrintMethod = "printPredicateOperand";
329}
330
331// Define PowerPC specific addressing mode.
332def iaddr  : ComplexPattern<iPTR, 2, "SelectAddrImm",    [], []>;
333def xaddr  : ComplexPattern<iPTR, 2, "SelectAddrIdx",    [], []>;
334def xoaddr : ComplexPattern<iPTR, 2, "SelectAddrIdxOnly",[], []>;
335def ixaddr : ComplexPattern<iPTR, 2, "SelectAddrImmShift", [], []>; // "std"
336
337/// This is just the offset part of iaddr, used for preinc.
338def iaddroff : ComplexPattern<iPTR, 1, "SelectAddrImmOffs", [], []>;
339
340//===----------------------------------------------------------------------===//
341// PowerPC Instruction Predicate Definitions.
342def FPContractions : Predicate<"!NoExcessFPPrecision">;
343def In32BitMode  : Predicate<"!PPCSubTarget.isPPC64()">;
344def In64BitMode  : Predicate<"PPCSubTarget.isPPC64()">;
345
346
347//===----------------------------------------------------------------------===//
348// PowerPC Instruction Definitions.
349
350// Pseudo-instructions:
351
352let hasCtrlDep = 1 in {
353let Defs = [R1], Uses = [R1] in {
354def ADJCALLSTACKDOWN : Pseudo<(outs), (ins u16imm:$amt),
355                              "${:comment} ADJCALLSTACKDOWN",
356                              [(callseq_start timm:$amt)]>;
357def ADJCALLSTACKUP   : Pseudo<(outs), (ins u16imm:$amt1, u16imm:$amt2),
358                              "${:comment} ADJCALLSTACKUP",
359                              [(callseq_end timm:$amt1, timm:$amt2)]>;
360}
361
362def UPDATE_VRSAVE    : Pseudo<(outs GPRC:$rD), (ins GPRC:$rS),
363                              "UPDATE_VRSAVE $rD, $rS", []>;
364}
365
366let Defs = [R1], Uses = [R1] in
367def DYNALLOC : Pseudo<(outs GPRC:$result), (ins GPRC:$negsize, memri:$fpsi),
368                       "${:comment} DYNALLOC $result, $negsize, $fpsi",
369                       [(set GPRC:$result,
370                             (PPCdynalloc GPRC:$negsize, iaddr:$fpsi))]>;
371                         
372// SELECT_CC_* - Used to implement the SELECT_CC DAG operation.  Expanded after
373// instruction selection into a branch sequence.
374let usesCustomInserter = 1,    // Expanded after instruction selection.
375    PPC970_Single = 1 in {
376  def SELECT_CC_I4 : Pseudo<(outs GPRC:$dst), (ins CRRC:$cond, GPRC:$T, GPRC:$F,
377                              i32imm:$BROPC), "${:comment} SELECT_CC PSEUDO!",
378                              []>;
379  def SELECT_CC_I8 : Pseudo<(outs G8RC:$dst), (ins CRRC:$cond, G8RC:$T, G8RC:$F,
380                              i32imm:$BROPC), "${:comment} SELECT_CC PSEUDO!",
381                              []>;
382  def SELECT_CC_F4  : Pseudo<(outs F4RC:$dst), (ins CRRC:$cond, F4RC:$T, F4RC:$F,
383                              i32imm:$BROPC), "${:comment} SELECT_CC PSEUDO!",
384                              []>;
385  def SELECT_CC_F8  : Pseudo<(outs F8RC:$dst), (ins CRRC:$cond, F8RC:$T, F8RC:$F,
386                              i32imm:$BROPC), "${:comment} SELECT_CC PSEUDO!",
387                              []>;
388  def SELECT_CC_VRRC: Pseudo<(outs VRRC:$dst), (ins CRRC:$cond, VRRC:$T, VRRC:$F,
389                              i32imm:$BROPC), "${:comment} SELECT_CC PSEUDO!",
390                              []>;
391}
392
393// SPILL_CR - Indicate that we're dumping the CR register, so we'll need to
394// scavenge a register for it.
395def SPILL_CR : Pseudo<(outs), (ins GPRC:$cond, memri:$F),
396                     "${:comment} SPILL_CR $cond $F", []>;
397
398let isTerminator = 1, isBarrier = 1, PPC970_Unit = 7 in {
399  let isReturn = 1, Uses = [LR, RM] in
400    def BLR : XLForm_2_br<19, 16, 0, (outs), (ins pred:$p),
401                          "b${p:cc}lr ${p:reg}", BrB, 
402                          [(retflag)]>;
403  let isBranch = 1, isIndirectBranch = 1, Uses = [CTR] in
404    def BCTR : XLForm_2_ext<19, 528, 20, 0, 0, (outs), (ins), "bctr", BrB, []>;
405}
406
407let Defs = [LR] in
408  def MovePCtoLR : Pseudo<(outs), (ins piclabel:$label), "bl $label", []>,
409                   PPC970_Unit_BRU;
410
411let isBranch = 1, isTerminator = 1, hasCtrlDep = 1, PPC970_Unit = 7 in {
412  let isBarrier = 1 in {
413  def B   : IForm<18, 0, 0, (outs), (ins target:$dst),
414                  "b $dst", BrB,
415                  [(br bb:$dst)]>;
416  }
417
418  // BCC represents an arbitrary conditional branch on a predicate.
419  // FIXME: should be able to write a pattern for PPCcondbranch, but can't use
420  // a two-value operand where a dag node expects two operands. :( 
421  def BCC : BForm<16, 0, 0, (outs), (ins pred:$cond, target:$dst),
422                  "b${cond:cc} ${cond:reg}, $dst"
423                  /*[(PPCcondbranch CRRC:$crS, imm:$opc, bb:$dst)]*/>;
424}
425
426// Darwin ABI Calls.
427let isCall = 1, PPC970_Unit = 7, 
428  // All calls clobber the non-callee saved registers...
429  Defs = [R0,R2,R3,R4,R5,R6,R7,R8,R9,R10,R11,R12,
430          F0,F1,F2,F3,F4,F5,F6,F7,F8,F9,F10,F11,F12,F13,
431          V0,V1,V2,V3,V4,V5,V6,V7,V8,V9,V10,V11,V12,V13,V14,V15,V16,V17,V18,V19,
432          LR,CTR,
433          CR0,CR1,CR5,CR6,CR7,CARRY] in {
434  // Convenient aliases for call instructions
435  let Uses = [RM] in {
436    def BL_Darwin  : IForm<18, 0, 1,
437                           (outs), (ins calltarget:$func, variable_ops), 
438                           "bl $func", BrB, []>;  // See Pat patterns below.
439    def BLA_Darwin : IForm<18, 1, 1, 
440                          (outs), (ins aaddr:$func, variable_ops),
441                          "bla $func", BrB, [(PPCcall_Darwin (i32 imm:$func))]>;
442  }
443  let Uses = [CTR, RM] in {
444    def BCTRL_Darwin : XLForm_2_ext<19, 528, 20, 0, 1, 
445                                  (outs), (ins variable_ops),
446                                  "bctrl", BrB,
447                                  [(PPCbctrl_Darwin)]>, Requires<[In32BitMode]>;
448  }
449}
450
451// SVR4 ABI Calls.
452let isCall = 1, PPC970_Unit = 7, 
453  // All calls clobber the non-callee saved registers...
454  Defs = [R0,R3,R4,R5,R6,R7,R8,R9,R10,R11,R12,
455          F0,F1,F2,F3,F4,F5,F6,F7,F8,F9,F10,F11,F12,F13,
456          V0,V1,V2,V3,V4,V5,V6,V7,V8,V9,V10,V11,V12,V13,V14,V15,V16,V17,V18,V19,
457          LR,CTR,
458          CR0,CR1,CR5,CR6,CR7,CARRY] in {
459  // Convenient aliases for call instructions
460  let Uses = [RM] in {
461    def BL_SVR4  : IForm<18, 0, 1,
462                        (outs), (ins calltarget:$func, variable_ops), 
463                        "bl $func", BrB, []>;  // See Pat patterns below.
464    def BLA_SVR4 : IForm<18, 1, 1,
465                        (outs), (ins aaddr:$func, variable_ops),
466                        "bla $func", BrB,
467                        [(PPCcall_SVR4 (i32 imm:$func))]>;
468  }
469  let Uses = [CTR, RM] in {
470    def BCTRL_SVR4 : XLForm_2_ext<19, 528, 20, 0, 1,
471                                (outs), (ins variable_ops),
472                                "bctrl", BrB,
473                                [(PPCbctrl_SVR4)]>, Requires<[In32BitMode]>;
474  }
475}
476
477
478let isCall = 1, isTerminator = 1, isReturn = 1, isBarrier = 1, Uses = [RM] in
479def TCRETURNdi :Pseudo< (outs),
480                        (ins calltarget:$dst, i32imm:$offset, variable_ops),
481                 "#TC_RETURNd $dst $offset",
482                 []>;
483
484
485let isCall = 1, isTerminator = 1, isReturn = 1, isBarrier = 1, Uses = [RM] in
486def TCRETURNai :Pseudo<(outs), (ins aaddr:$func, i32imm:$offset, variable_ops),
487                 "#TC_RETURNa $func $offset",
488                 [(PPCtc_return (i32 imm:$func), imm:$offset)]>;
489
490let isCall = 1, isTerminator = 1, isReturn = 1, isBarrier = 1, Uses = [RM] in
491def TCRETURNri : Pseudo<(outs), (ins CTRRC:$dst, i32imm:$offset, variable_ops),
492                 "#TC_RETURNr $dst $offset",
493                 []>;
494
495
496let isTerminator = 1, isBarrier = 1, PPC970_Unit = 7, isBranch = 1,
497    isIndirectBranch = 1, isCall = 1, isReturn = 1, Uses = [CTR, RM]  in
498def TAILBCTR : XLForm_2_ext<19, 528, 20, 0, 0, (outs), (ins), "bctr", BrB, []>,
499     Requires<[In32BitMode]>;
500
501
502
503let isBranch = 1, isTerminator = 1, hasCtrlDep = 1, PPC970_Unit = 7,
504    isBarrier = 1, isCall = 1, isReturn = 1, Uses = [RM] in
505def TAILB   : IForm<18, 0, 0, (outs), (ins calltarget:$dst),
506                  "b $dst", BrB,
507                  []>;
508
509
510let isBranch = 1, isTerminator = 1, hasCtrlDep = 1, PPC970_Unit = 7,
511    isBarrier = 1, isCall = 1, isReturn = 1, Uses = [RM] in
512def TAILBA   : IForm<18, 0, 0, (outs), (ins aaddr:$dst),
513                  "ba $dst", BrB,
514                  []>;
515
516
517// DCB* instructions.
518def DCBA   : DCB_Form<758, 0, (outs), (ins memrr:$dst),
519                      "dcba $dst", LdStDCBF, [(int_ppc_dcba xoaddr:$dst)]>,
520                      PPC970_DGroup_Single;
521def DCBF   : DCB_Form<86, 0, (outs), (ins memrr:$dst),
522                      "dcbf $dst", LdStDCBF, [(int_ppc_dcbf xoaddr:$dst)]>,
523                      PPC970_DGroup_Single;
524def DCBI   : DCB_Form<470, 0, (outs), (ins memrr:$dst),
525                      "dcbi $dst", LdStDCBF, [(int_ppc_dcbi xoaddr:$dst)]>,
526                      PPC970_DGroup_Single;
527def DCBST  : DCB_Form<54, 0, (outs), (ins memrr:$dst),
528                      "dcbst $dst", LdStDCBF, [(int_ppc_dcbst xoaddr:$dst)]>,
529                      PPC970_DGroup_Single;
530def DCBT   : DCB_Form<278, 0, (outs), (ins memrr:$dst),
531                      "dcbt $dst", LdStDCBF, [(int_ppc_dcbt xoaddr:$dst)]>,
532                      PPC970_DGroup_Single;
533def DCBTST : DCB_Form<246, 0, (outs), (ins memrr:$dst),
534                      "dcbtst $dst", LdStDCBF, [(int_ppc_dcbtst xoaddr:$dst)]>,
535                      PPC970_DGroup_Single;
536def DCBZ   : DCB_Form<1014, 0, (outs), (ins memrr:$dst),
537                      "dcbz $dst", LdStDCBF, [(int_ppc_dcbz xoaddr:$dst)]>,
538                      PPC970_DGroup_Single;
539def DCBZL  : DCB_Form<1014, 1, (outs), (ins memrr:$dst),
540                      "dcbzl $dst", LdStDCBF, [(int_ppc_dcbzl xoaddr:$dst)]>,
541                      PPC970_DGroup_Single;
542
543// Atomic operations
544let usesCustomInserter = 1 in {
545  let Uses = [CR0] in {
546    def ATOMIC_LOAD_ADD_I8 : Pseudo<
547      (outs GPRC:$dst), (ins memrr:$ptr, GPRC:$incr),
548      "${:comment} ATOMIC_LOAD_ADD_I8 PSEUDO!",
549      [(set GPRC:$dst, (atomic_load_add_8 xoaddr:$ptr, GPRC:$incr))]>;
550    def ATOMIC_LOAD_SUB_I8 : Pseudo<
551      (outs GPRC:$dst), (ins memrr:$ptr, GPRC:$incr),
552      "${:comment} ATOMIC_LOAD_SUB_I8 PSEUDO!",
553      [(set GPRC:$dst, (atomic_load_sub_8 xoaddr:$ptr, GPRC:$incr))]>;
554    def ATOMIC_LOAD_AND_I8 : Pseudo<
555      (outs GPRC:$dst), (ins memrr:$ptr, GPRC:$incr),
556      "${:comment} ATOMIC_LOAD_AND_I8 PSEUDO!",
557      [(set GPRC:$dst, (atomic_load_and_8 xoaddr:$ptr, GPRC:$incr))]>;
558    def ATOMIC_LOAD_OR_I8 : Pseudo<
559      (outs GPRC:$dst), (ins memrr:$ptr, GPRC:$incr),
560      "${:comment} ATOMIC_LOAD_OR_I8 PSEUDO!",
561      [(set GPRC:$dst, (atomic_load_or_8 xoaddr:$ptr, GPRC:$incr))]>;
562    def ATOMIC_LOAD_XOR_I8 : Pseudo<
563      (outs GPRC:$dst), (ins memrr:$ptr, GPRC:$incr),
564      "${:comment} ATOMIC_LOAD_XOR_I8 PSEUDO!",
565      [(set GPRC:$dst, (atomic_load_xor_8 xoaddr:$ptr, GPRC:$incr))]>;
566    def ATOMIC_LOAD_NAND_I8 : Pseudo<
567      (outs GPRC:$dst), (ins memrr:$ptr, GPRC:$incr),
568      "${:comment} ATOMIC_LOAD_NAND_I8 PSEUDO!",
569      [(set GPRC:$dst, (atomic_load_nand_8 xoaddr:$ptr, GPRC:$incr))]>;
570    def ATOMIC_LOAD_ADD_I16 : Pseudo<
571      (outs GPRC:$dst), (ins memrr:$ptr, GPRC:$incr),
572      "${:comment} ATOMIC_LOAD_ADD_I16 PSEUDO!",
573      [(set GPRC:$dst, (atomic_load_add_16 xoaddr:$ptr, GPRC:$incr))]>;
574    def ATOMIC_LOAD_SUB_I16 : Pseudo<
575      (outs GPRC:$dst), (ins memrr:$ptr, GPRC:$incr),
576      "${:comment} ATOMIC_LOAD_SUB_I16 PSEUDO!",
577      [(set GPRC:$dst, (atomic_load_sub_16 xoaddr:$ptr, GPRC:$incr))]>;
578    def ATOMIC_LOAD_AND_I16 : Pseudo<
579      (outs GPRC:$dst), (ins memrr:$ptr, GPRC:$incr),
580      "${:comment} ATOMIC_LOAD_AND_I16 PSEUDO!",
581      [(set GPRC:$dst, (atomic_load_and_16 xoaddr:$ptr, GPRC:$incr))]>;
582    def ATOMIC_LOAD_OR_I16 : Pseudo<
583      (outs GPRC:$dst), (ins memrr:$ptr, GPRC:$incr),
584      "${:comment} ATOMIC_LOAD_OR_I16 PSEUDO!",
585      [(set GPRC:$dst, (atomic_load_or_16 xoaddr:$ptr, GPRC:$incr))]>;
586    def ATOMIC_LOAD_XOR_I16 : Pseudo<
587      (outs GPRC:$dst), (ins memrr:$ptr, GPRC:$incr),
588      "${:comment} ATOMIC_LOAD_XOR_I16 PSEUDO!",
589      [(set GPRC:$dst, (atomic_load_xor_16 xoaddr:$ptr, GPRC:$incr))]>;
590    def ATOMIC_LOAD_NAND_I16 : Pseudo<
591      (outs GPRC:$dst), (ins memrr:$ptr, GPRC:$incr),
592      "${:comment} ATOMIC_LOAD_NAND_I16 PSEUDO!",
593      [(set GPRC:$dst, (atomic_load_nand_16 xoaddr:$ptr, GPRC:$incr))]>;
594    def ATOMIC_LOAD_ADD_I32 : Pseudo<
595      (outs GPRC:$dst), (ins memrr:$ptr, GPRC:$incr),
596      "${:comment} ATOMIC_LOAD_ADD_I32 PSEUDO!",
597      [(set GPRC:$dst, (atomic_load_add_32 xoaddr:$ptr, GPRC:$incr))]>;
598    def ATOMIC_LOAD_SUB_I32 : Pseudo<
599      (outs GPRC:$dst), (ins memrr:$ptr, GPRC:$incr),
600      "${:comment} ATOMIC_LOAD_SUB_I32 PSEUDO!",
601      [(set GPRC:$dst, (atomic_load_sub_32 xoaddr:$ptr, GPRC:$incr))]>;
602    def ATOMIC_LOAD_AND_I32 : Pseudo<
603      (outs GPRC:$dst), (ins memrr:$ptr, GPRC:$incr),
604      "${:comment} ATOMIC_LOAD_AND_I32 PSEUDO!",
605      [(set GPRC:$dst, (atomic_load_and_32 xoaddr:$ptr, GPRC:$incr))]>;
606    def ATOMIC_LOAD_OR_I32 : Pseudo<
607      (outs GPRC:$dst), (ins memrr:$ptr, GPRC:$incr),
608      "${:comment} ATOMIC_LOAD_OR_I32 PSEUDO!",
609      [(set GPRC:$dst, (atomic_load_or_32 xoaddr:$ptr, GPRC:$incr))]>;
610    def ATOMIC_LOAD_XOR_I32 : Pseudo<
611      (outs GPRC:$dst), (ins memrr:$ptr, GPRC:$incr),
612      "${:comment} ATOMIC_LOAD_XOR_I32 PSEUDO!",
613      [(set GPRC:$dst, (atomic_load_xor_32 xoaddr:$ptr, GPRC:$incr))]>;
614    def ATOMIC_LOAD_NAND_I32 : Pseudo<
615      (outs GPRC:$dst), (ins memrr:$ptr, GPRC:$incr),
616      "${:comment} ATOMIC_LOAD_NAND_I32 PSEUDO!",
617      [(set GPRC:$dst, (atomic_load_nand_32 xoaddr:$ptr, GPRC:$incr))]>;
618
619    def ATOMIC_CMP_SWAP_I8 : Pseudo<
620      (outs GPRC:$dst), (ins memrr:$ptr, GPRC:$old, GPRC:$new),
621      "${:comment} ATOMIC_CMP_SWAP_I8 PSEUDO!",
622      [(set GPRC:$dst, 
623                    (atomic_cmp_swap_8 xoaddr:$ptr, GPRC:$old, GPRC:$new))]>;
624    def ATOMIC_CMP_SWAP_I16 : Pseudo<
625      (outs GPRC:$dst), (ins memrr:$ptr, GPRC:$old, GPRC:$new),
626      "${:comment} ATOMIC_CMP_SWAP_I16 PSEUDO!",
627      [(set GPRC:$dst, 
628                    (atomic_cmp_swap_16 xoaddr:$ptr, GPRC:$old, GPRC:$new))]>;
629    def ATOMIC_CMP_SWAP_I32 : Pseudo<
630      (outs GPRC:$dst), (ins memrr:$ptr, GPRC:$old, GPRC:$new),
631      "${:comment} ATOMIC_CMP_SWAP_I32 PSEUDO!",
632      [(set GPRC:$dst, 
633                    (atomic_cmp_swap_32 xoaddr:$ptr, GPRC:$old, GPRC:$new))]>;
634
635    def ATOMIC_SWAP_I8 : Pseudo<
636      (outs GPRC:$dst), (ins memrr:$ptr, GPRC:$new),
637      "${:comment} ATOMIC_SWAP_I8 PSEUDO!",
638      [(set GPRC:$dst, (atomic_swap_8 xoaddr:$ptr, GPRC:$new))]>;
639    def ATOMIC_SWAP_I16 : Pseudo<
640      (outs GPRC:$dst), (ins memrr:$ptr, GPRC:$new),
641      "${:comment} ATOMIC_SWAP_I16 PSEUDO!",
642      [(set GPRC:$dst, (atomic_swap_16 xoaddr:$ptr, GPRC:$new))]>;
643    def ATOMIC_SWAP_I32 : Pseudo<
644      (outs GPRC:$dst), (ins memrr:$ptr, GPRC:$new),
645      "${:comment} ATOMIC_SWAP_I32 PSEUDO!",
646      [(set GPRC:$dst, (atomic_swap_32 xoaddr:$ptr, GPRC:$new))]>;
647  }
648}
649
650// Instructions to support atomic operations
651def LWARX : XForm_1<31,  20, (outs GPRC:$rD), (ins memrr:$src),
652                   "lwarx $rD, $src", LdStLWARX,
653                   [(set GPRC:$rD, (PPClarx xoaddr:$src))]>;
654
655let Defs = [CR0] in
656def STWCX : XForm_1<31, 150, (outs), (ins GPRC:$rS, memrr:$dst),
657                   "stwcx. $rS, $dst", LdStSTWCX,
658                   [(PPCstcx GPRC:$rS, xoaddr:$dst)]>,
659                   isDOT;
660
661let isBarrier = 1, hasCtrlDep = 1 in
662def TRAP  : XForm_24<31, 4, (outs), (ins), "trap", LdStGeneral, [(trap)]>;
663
664//===----------------------------------------------------------------------===//
665// PPC32 Load Instructions.
666//
667
668// Unindexed (r+i) Loads. 
669let canFoldAsLoad = 1, PPC970_Unit = 2 in {
670def LBZ : DForm_1<34, (outs GPRC:$rD), (ins memri:$src),
671                  "lbz $rD, $src", LdStGeneral,
672                  [(set GPRC:$rD, (zextloadi8 iaddr:$src))]>;
673def LHA : DForm_1<42, (outs GPRC:$rD), (ins memri:$src),
674                  "lha $rD, $src", LdStLHA,
675                  [(set GPRC:$rD, (sextloadi16 iaddr:$src))]>,
676                  PPC970_DGroup_Cracked;
677def LHZ : DForm_1<40, (outs GPRC:$rD), (ins memri:$src),
678                  "lhz $rD, $src", LdStGeneral,
679                  [(set GPRC:$rD, (zextloadi16 iaddr:$src))]>;
680def LWZ : DForm_1<32, (outs GPRC:$rD), (ins memri:$src),
681                  "lwz $rD, $src", LdStGeneral,
682                  [(set GPRC:$rD, (load iaddr:$src))]>;
683
684def LFS : DForm_1<48, (outs F4RC:$rD), (ins memri:$src),
685                  "lfs $rD, $src", LdStLFDU,
686                  [(set F4RC:$rD, (load iaddr:$src))]>;
687def LFD : DForm_1<50, (outs F8RC:$rD), (ins memri:$src),
688                  "lfd $rD, $src", LdStLFD,
689                  [(set F8RC:$rD, (load iaddr:$src))]>;
690
691
692// Unindexed (r+i) Loads with Update (preinc).
693let mayLoad = 1 in {
694def LBZU : DForm_1<35, (outs GPRC:$rD, ptr_rc:$ea_result), (ins memri:$addr),
695                   "lbzu $rD, $addr", LdStGeneral,
696                   []>, RegConstraint<"$addr.reg = $ea_result">,
697                   NoEncode<"$ea_result">;
698
699def LHAU : DForm_1<43, (outs GPRC:$rD, ptr_rc:$ea_result), (ins memri:$addr),
700                   "lhau $rD, $addr", LdStGeneral,
701                   []>, RegConstraint<"$addr.reg = $ea_result">,
702                   NoEncode<"$ea_result">;
703
704def LHZU : DForm_1<41, (outs GPRC:$rD, ptr_rc:$ea_result), (ins memri:$addr),
705                   "lhzu $rD, $addr", LdStGeneral,
706                   []>, RegConstraint<"$addr.reg = $ea_result">,
707                   NoEncode<"$ea_result">;
708
709def LWZU : DForm_1<33, (outs GPRC:$rD, ptr_rc:$ea_result), (ins memri:$addr),
710                   "lwzu $rD, $addr", LdStGeneral,
711                   []>, RegConstraint<"$addr.reg = $ea_result">,
712                   NoEncode<"$ea_result">;
713
714def LFSU : DForm_1<49, (outs F4RC:$rD, ptr_rc:$ea_result), (ins memri:$addr),
715                  "lfs $rD, $addr", LdStLFDU,
716                  []>, RegConstraint<"$addr.reg = $ea_result">,
717                   NoEncode<"$ea_result">;
718
719def LFDU : DForm_1<51, (outs F8RC:$rD, ptr_rc:$ea_result), (ins memri:$addr),
720                  "lfd $rD, $addr", LdStLFD,
721                  []>, RegConstraint<"$addr.reg = $ea_result">,
722                   NoEncode<"$ea_result">;
723}
724}
725
726// Indexed (r+r) Loads.
727//
728let canFoldAsLoad = 1, PPC970_Unit = 2 in {
729def LBZX : XForm_1<31,  87, (outs GPRC:$rD), (ins memrr:$src),
730                   "lbzx $rD, $src", LdStGeneral,
731                   [(set GPRC:$rD, (zextloadi8 xaddr:$src))]>;
732def LHAX : XForm_1<31, 343, (outs GPRC:$rD), (ins memrr:$src),
733                   "lhax $rD, $src", LdStLHA,
734                   [(set GPRC:$rD, (sextloadi16 xaddr:$src))]>,
735                   PPC970_DGroup_Cracked;
736def LHZX : XForm_1<31, 279, (outs GPRC:$rD), (ins memrr:$src),
737                   "lhzx $rD, $src", LdStGeneral,
738                   [(set GPRC:$rD, (zextloadi16 xaddr:$src))]>;
739def LWZX : XForm_1<31,  23, (outs GPRC:$rD), (ins memrr:$src),
740                   "lwzx $rD, $src", LdStGeneral,
741                   [(set GPRC:$rD, (load xaddr:$src))]>;
742                   
743                   
744def LHBRX : XForm_1<31, 790, (outs GPRC:$rD), (ins memrr:$src),
745                   "lhbrx $rD, $src", LdStGeneral,
746                   [(set GPRC:$rD, (PPClbrx xoaddr:$src, i16))]>;
747def LWBRX : XForm_1<31,  534, (outs GPRC:$rD), (ins memrr:$src),
748                   "lwbrx $rD, $src", LdStGeneral,
749                   [(set GPRC:$rD, (PPClbrx xoaddr:$src, i32))]>;
750
751def LFSX   : XForm_25<31, 535, (outs F4RC:$frD), (ins memrr:$src),
752                      "lfsx $frD, $src", LdStLFDU,
753                      [(set F4RC:$frD, (load xaddr:$src))]>;
754def LFDX   : XForm_25<31, 599, (outs F8RC:$frD), (ins memrr:$src),
755                      "lfdx $frD, $src", LdStLFDU,
756                      [(set F8RC:$frD, (load xaddr:$src))]>;
757}
758
759//===----------------------------------------------------------------------===//
760// PPC32 Store Instructions.
761//
762
763// Unindexed (r+i) Stores.
764let PPC970_Unit = 2 in {
765def STB  : DForm_1<38, (outs), (ins GPRC:$rS, memri:$src),
766                   "stb $rS, $src", LdStGeneral,
767                   [(truncstorei8 GPRC:$rS, iaddr:$src)]>;
768def STH  : DForm_1<44, (outs), (ins GPRC:$rS, memri:$src),
769                   "sth $rS, $src", LdStGeneral,
770                   [(truncstorei16 GPRC:$rS, iaddr:$src)]>;
771def STW  : DForm_1<36, (outs), (ins GPRC:$rS, memri:$src),
772                   "stw $rS, $src", LdStGeneral,
773                   [(store GPRC:$rS, iaddr:$src)]>;
774def STFS : DForm_1<52, (outs), (ins F4RC:$rS, memri:$dst),
775                   "stfs $rS, $dst", LdStUX,
776                   [(store F4RC:$rS, iaddr:$dst)]>;
777def STFD : DForm_1<54, (outs), (ins F8RC:$rS, memri:$dst),
778                   "stfd $rS, $dst", LdStUX,
779                   [(store F8RC:$rS, iaddr:$dst)]>;
780}
781
782// Unindexed (r+i) Stores with Update (preinc).
783let PPC970_Unit = 2 in {
784def STBU  : DForm_1<39, (outs ptr_rc:$ea_res), (ins GPRC:$rS,
785                             symbolLo:$ptroff, ptr_rc:$ptrreg),
786                    "stbu $rS, $ptroff($ptrreg)", LdStGeneral,
787                    [(set ptr_rc:$ea_res,
788                          (pre_truncsti8 GPRC:$rS, ptr_rc:$ptrreg, 
789                                         iaddroff:$ptroff))]>,
790                    RegConstraint<"$ptrreg = $ea_res">, NoEncode<"$ea_res">;
791def STHU  : DForm_1<45, (outs ptr_rc:$ea_res), (ins GPRC:$rS,
792                             symbolLo:$ptroff, ptr_rc:$ptrreg),
793                    "sthu $rS, $ptroff($ptrreg)", LdStGeneral,
794                    [(set ptr_rc:$ea_res,
795                        (pre_truncsti16 GPRC:$rS, ptr_rc:$ptrreg, 
796                                        iaddroff:$ptroff))]>,
797                    RegConstraint<"$ptrreg = $ea_res">, NoEncode<"$ea_res">;
798def STWU  : DForm_1<37, (outs ptr_rc:$ea_res), (ins GPRC:$rS,
799                             symbolLo:$ptroff, ptr_rc:$ptrreg),
800                    "stwu $rS, $ptroff($ptrreg)", LdStGeneral,
801                    [(set ptr_rc:$ea_res, (pre_store GPRC:$rS, ptr_rc:$ptrreg, 
802                                                     iaddroff:$ptroff))]>,
803                    RegConstraint<"$ptrreg = $ea_res">, NoEncode<"$ea_res">;
804def STFSU : DForm_1<37, (outs ptr_rc:$ea_res), (ins F4RC:$rS,
805                             symbolLo:$ptroff, ptr_rc:$ptrreg),
806                    "stfsu $rS, $ptroff($ptrreg)", LdStGeneral,
807                    [(set ptr_rc:$ea_res, (pre_store F4RC:$rS,  ptr_rc:$ptrreg, 
808                                          iaddroff:$ptroff))]>,
809                    RegConstraint<"$ptrreg = $ea_res">, NoEncode<"$ea_res">;
810def STFDU : DForm_1<37, (outs ptr_rc:$ea_res), (ins F8RC:$rS,
811                             symbolLo:$ptroff, ptr_rc:$ptrreg),
812                    "stfdu $rS, $ptroff($ptrreg)", LdStGeneral,
813                    [(set ptr_rc:$ea_res, (pre_store F8RC:$rS, ptr_rc:$ptrreg, 
814                                          iaddroff:$ptroff))]>,
815                    RegConstraint<"$ptrreg = $ea_res">, NoEncode<"$ea_res">;
816}
817
818
819// Indexed (r+r) Stores.
820//
821let PPC970_Unit = 2 in {
822def STBX  : XForm_8<31, 215, (outs), (ins GPRC:$rS, memrr:$dst),
823                   "stbx $rS, $dst", LdStGeneral,
824                   [(truncstorei8 GPRC:$rS, xaddr:$dst)]>, 
825                   PPC970_DGroup_Cracked;
826def STHX  : XForm_8<31, 407, (outs), (ins GPRC:$rS, memrr:$dst),
827                   "sthx $rS, $dst", LdStGeneral,
828                   [(truncstorei16 GPRC:$rS, xaddr:$dst)]>, 
829                   PPC970_DGroup_Cracked;
830def STWX  : XForm_8<31, 151, (outs), (ins GPRC:$rS, memrr:$dst),
831                   "stwx $rS, $dst", LdStGeneral,
832                   [(store GPRC:$rS, xaddr:$dst)]>,
833                   PPC970_DGroup_Cracked;
834                   
835let mayStore = 1 in {
836def STWUX : XForm_8<31, 183, (outs), (ins GPRC:$rS, GPRC:$rA, GPRC:$rB),
837                   "stwux $rS, $rA, $rB", LdStGeneral,
838                   []>;
839}
840def STHBRX: XForm_8<31, 918, (outs), (ins GPRC:$rS, memrr:$dst),
841                   "sthbrx $rS, $dst", LdStGeneral,
842                   [(PPCstbrx GPRC:$rS, xoaddr:$dst, i16)]>, 
843                   PPC970_DGroup_Cracked;
844def STWBRX: XForm_8<31, 662, (outs), (ins GPRC:$rS, memrr:$dst),
845                   "stwbrx $rS, $dst", LdStGeneral,
846                   [(PPCstbrx GPRC:$rS, xoaddr:$dst, i32)]>,
847                   PPC970_DGroup_Cracked;
848
849def STFIWX: XForm_28<31, 983, (outs), (ins F8RC:$frS, memrr:$dst),
850                     "stfiwx $frS, $dst", LdStUX,
851                     [(PPCstfiwx F8RC:$frS, xoaddr:$dst)]>;
852                     
853def STFSX : XForm_28<31, 663, (outs), (ins F4RC:$frS, memrr:$dst),
854                     "stfsx $frS, $dst", LdStUX,
855                     [(store F4RC:$frS, xaddr:$dst)]>;
856def STFDX : XForm_28<31, 727, (outs), (ins F8RC:$frS, memrr:$dst),
857                     "stfdx $frS, $dst", LdStUX,
858                     [(store F8RC:$frS, xaddr:$dst)]>;
859}
860
861let isBarrier = 1 in
862def SYNC : XForm_24_sync<31, 598, (outs), (ins),
863                        "sync", LdStSync,
864                        [(int_ppc_sync)]>;
865
866//===----------------------------------------------------------------------===//
867// PPC32 Arithmetic Instructions.
868//
869
870let PPC970_Unit = 1 in {  // FXU Operations.
871def ADDI   : DForm_2<14, (outs GPRC:$rD), (ins GPRC:$rA, s16imm:$imm),
872                     "addi $rD, $rA, $imm", IntGeneral,
873                     [(set GPRC:$rD, (add GPRC:$rA, immSExt16:$imm))]>;
874let Defs = [CARRY] in {
875def ADDIC  : DForm_2<12, (outs GPRC:$rD), (ins GPRC:$rA, s16imm:$imm),
876                     "addic $rD, $rA, $imm", IntGeneral,
877                     [(set GPRC:$rD, (addc GPRC:$rA, immSExt16:$imm))]>,
878                     PPC970_DGroup_Cracked;
879def ADDICo : DForm_2<13, (outs GPRC:$rD), (ins GPRC:$rA, s16imm:$imm),
880                     "addic. $rD, $rA, $imm", IntGeneral,
881                     []>;
882}
883def ADDIS  : DForm_2<15, (outs GPRC:$rD), (ins GPRC:$rA, symbolHi:$imm),
884                     "addis $rD, $rA, $imm", IntGeneral,
885                     [(set GPRC:$rD, (add GPRC:$rA, imm16ShiftedSExt:$imm))]>;
886def LA     : DForm_2<14, (outs GPRC:$rD), (ins GPRC:$rA, symbolLo:$sym),
887                     "la $rD, $sym($rA)", IntGeneral,
888                     [(set GPRC:$rD, (add GPRC:$rA,
889                                          (PPClo tglobaladdr:$sym, 0)))]>;
890def MULLI  : DForm_2< 7, (outs GPRC:$rD), (ins GPRC:$rA, s16imm:$imm),
891                     "mulli $rD, $rA, $imm", IntMulLI,
892                     [(set GPRC:$rD, (mul GPRC:$rA, immSExt16:$imm))]>;
893let Defs = [CARRY] in {
894def SUBFIC : DForm_2< 8, (outs GPRC:$rD), (ins GPRC:$rA, s16imm:$imm),
895                     "subfic $rD, $rA, $imm", IntGeneral,
896                     [(set GPRC:$rD, (subc immSExt16:$imm, GPRC:$rA))]>;
897}
898
899let isReMaterializable = 1 in {
900  def LI  : DForm_2_r0<14, (outs GPRC:$rD), (ins symbolLo:$imm),
901                       "li $rD, $imm", IntGeneral,
902                       [(set GPRC:$rD, immSExt16:$imm)]>;
903  def LIS : DForm_2_r0<15, (outs GPRC:$rD), (ins symbolHi:$imm),
904                       "lis $rD, $imm", IntGeneral,
905                       [(set GPRC:$rD, imm16ShiftedSExt:$imm)]>;
906}
907}
908
909let PPC970_Unit = 1 in {  // FXU Operations.
910def ANDIo : DForm_4<28, (outs GPRC:$dst), (ins GPRC:$src1, u16imm:$src2),
911                    "andi. $dst, $src1, $src2", IntGeneral,
912                    [(set GPRC:$dst, (and GPRC:$src1, immZExt16:$src2))]>,
913                    isDOT;
914def ANDISo : DForm_4<29, (outs GPRC:$dst), (ins GPRC:$src1, u16imm:$src2),
915                    "andis. $dst, $src1, $src2", IntGeneral,
916                    [(set GPRC:$dst, (and GPRC:$src1,imm16ShiftedZExt:$src2))]>,
917                    isDOT;
918def ORI   : DForm_4<24, (outs GPRC:$dst), (ins GPRC:$src1, u16imm:$src2),
919                    "ori $dst, $src1, $src2", IntGeneral,
920                    [(set GPRC:$dst, (or GPRC:$src1, immZExt16:$src2))]>;
921def ORIS  : DForm_4<25, (outs GPRC:$dst), (ins GPRC:$src1, u16imm:$src2),
922                    "oris $dst, $src1, $src2", IntGeneral,
923                    [(set GPRC:$dst, (or GPRC:$src1, imm16ShiftedZExt:$src2))]>;
924def XORI  : DForm_4<26, (outs GPRC:$dst), (ins GPRC:$src1, u16imm:$src2),
925                    "xori $dst, $src1, $src2", IntGeneral,
926                    [(set GPRC:$dst, (xor GPRC:$src1, immZExt16:$src2))]>;
927def XORIS : DForm_4<27, (outs GPRC:$dst), (ins GPRC:$src1, u16imm:$src2),
928                    "xoris $dst, $src1, $src2", IntGeneral,
929                    [(set GPRC:$dst, (xor GPRC:$src1,imm16ShiftedZExt:$src2))]>;
930def NOP   : DForm_4_zero<24, (outs), (ins), "nop", IntGeneral,
931                         []>;
932def CMPWI : DForm_5_ext<11, (outs CRRC:$crD), (ins GPRC:$rA, s16imm:$imm),
933                        "cmpwi $crD, $rA, $imm", IntCompare>;
934def CMPLWI : DForm_6_ext<10, (outs CRRC:$dst), (ins GPRC:$src1, u16imm:$src2),
935                         "cmplwi $dst, $src1, $src2", IntCompare>;
936}
937
938
939let PPC970_Unit = 1 in {  // FXU Operations.
940def NAND : XForm_6<31, 476, (outs GPRC:$rA), (ins GPRC:$rS, GPRC:$rB),
941                   "nand $rA, $rS, $rB", IntGeneral,
942                   [(set GPRC:$rA, (not (and GPRC:$rS, GPRC:$rB)))]>;
943def AND  : XForm_6<31,  28, (outs GPRC:$rA), (ins GPRC:$rS, GPRC:$rB),
944                   "and $rA, $rS, $rB", IntGeneral,
945                   [(set GPRC:$rA, (and GPRC:$rS, GPRC:$rB))]>;
946def ANDC : XForm_6<31,  60, (outs GPRC:$rA), (ins GPRC:$rS, GPRC:$rB),
947                   "andc $rA, $rS, $rB", IntGeneral,
948                   [(set GPRC:$rA, (and GPRC:$rS, (not GPRC:$rB)))]>;
949def OR   : XForm_6<31, 444, (outs GPRC:$rA), (ins GPRC:$rS, GPRC:$rB),
950                   "or $rA, $rS, $rB", IntGeneral,
951                   [(set GPRC:$rA, (or GPRC:$rS, GPRC:$rB))]>;
952def NOR  : XForm_6<31, 124, (outs GPRC:$rA), (ins GPRC:$rS, GPRC:$rB),
953                   "nor $rA, $rS, $rB", IntGeneral,
954                   [(set GPRC:$rA, (not (or GPRC:$rS, GPRC:$rB)))]>;
955def ORC  : XForm_6<31, 412, (outs GPRC:$rA), (ins GPRC:$rS, GPRC:$rB),
956                   "orc $rA, $rS, $rB", IntGeneral,
957                   [(set GPRC:$rA, (or GPRC:$rS, (not GPRC:$rB)))]>;
958def EQV  : XForm_6<31, 284, (outs GPRC:$rA), (ins GPRC:$rS, GPRC:$rB),
959                   "eqv $rA, $rS, $rB", IntGeneral,
960                   [(set GPRC:$rA, (not (xor GPRC:$rS, GPRC:$rB)))]>;
961def XOR  : XForm_6<31, 316, (outs GPRC:$rA), (ins GPRC:$rS, GPRC:$rB),
962                   "xor $rA, $rS, $rB", IntGeneral,
963                   [(set GPRC:$rA, (xor GPRC:$rS, GPRC:$rB))]>;
964def SLW  : XForm_6<31,  24, (outs GPRC:$rA), (ins GPRC:$rS, GPRC:$rB),
965                   "slw $rA, $rS, $rB", IntGeneral,
966                   [(set GPRC:$rA, (PPCshl GPRC:$rS, GPRC:$rB))]>;
967def SRW  : XForm_6<31, 536, (outs GPRC:$rA), (ins GPRC:$rS, GPRC:$rB),
968                   "srw $rA, $rS, $rB", IntGeneral,
969                   [(set GPRC:$rA, (PPCsrl GPRC:$rS, GPRC:$rB))]>;
970let Defs = [CARRY] in {
971def SRAW : XForm_6<31, 792, (outs GPRC:$rA), (ins GPRC:$rS, GPRC:$rB),
972                   "sraw $rA, $rS, $rB", IntShift,
973                   [(set GPRC:$rA, (PPCsra GPRC:$rS, GPRC:$rB))]>;
974}
975}
976
977let PPC970_Unit = 1 in {  // FXU Operations.
978let Defs = [CARRY] in {
979def SRAWI : XForm_10<31, 824, (outs GPRC:$rA), (ins GPRC:$rS, u5imm:$SH), 
980                     "srawi $rA, $rS, $SH", IntShift,
981                     [(set GPRC:$rA, (sra GPRC:$rS, (i32 imm:$SH)))]>;
982}
983def CNTLZW : XForm_11<31,  26, (outs GPRC:$rA), (ins GPRC:$rS),
984                      "cntlzw $rA, $rS", IntGeneral,
985                      [(set GPRC:$rA, (ctlz GPRC:$rS))]>;
986def EXTSB  : XForm_11<31, 954, (outs GPRC:$rA), (ins GPRC:$rS),
987                      "extsb $rA, $rS", IntGeneral,
988                      [(set GPRC:$rA, (sext_inreg GPRC:$rS, i8))]>;
989def EXTSH  : XForm_11<31, 922, (outs GPRC:$rA), (ins GPRC:$rS),
990                      "extsh $rA, $rS", IntGeneral,
991                      [(set GPRC:$rA, (sext_inreg GPRC:$rS, i16))]>;
992
993def CMPW   : XForm_16_ext<31, 0, (outs CRRC:$crD), (ins GPRC:$rA, GPRC:$rB),
994                          "cmpw $crD, $rA, $rB", IntCompare>;
995def CMPLW  : XForm_16_ext<31, 32, (outs CRRC:$crD), (ins GPRC:$rA, GPRC:$rB),
996                          "cmplw $crD, $rA, $rB", IntCompare>;
997}
998let PPC970_Unit = 3 in {  // FPU Operations.
999//def FCMPO  : XForm_17<63, 32, (outs CRRC:$crD), (ins FPRC:$fA, FPRC:$fB),
1000//                      "fcmpo $crD, $fA, $fB", FPCompare>;
1001def FCMPUS : XForm_17<63, 0, (outs CRRC:$crD), (ins F4RC:$fA, F4RC:$fB),
1002                      "fcmpu $crD, $fA, $fB", FPCompare>;
1003def FCMPUD : XForm_17<63, 0, (outs CRRC:$crD), (ins F8RC:$fA, F8RC:$fB),
1004                      "fcmpu $crD, $fA, $fB", FPCompare>;
1005
1006let Uses = [RM] in {
1007  def FCTIWZ : XForm_26<63, 15, (outs F8RC:$frD), (ins F8RC:$frB),
1008                        "fctiwz $frD, $frB", FPGeneral,
1009                        [(set F8RC:$frD, (PPCfctiwz F8RC:$frB))]>;
1010  def FRSP   : XForm_26<63, 12, (outs F4RC:$frD), (ins F8RC:$frB),
1011                        "frsp $frD, $frB", FPGeneral,
1012                        [(set F4RC:$frD, (fround F8RC:$frB))]>;
1013  def FSQRT  : XForm_26<63, 22, (outs F8RC:$frD), (ins F8RC:$frB),
1014                        "fsqrt $frD, $frB", FPSqrt,
1015                        [(set F8RC:$frD, (fsqrt F8RC:$frB))]>;
1016  def FSQRTS : XForm_26<59, 22, (outs F4RC:$frD), (ins F4RC:$frB),
1017                        "fsqrts $frD, $frB", FPSqrt,
1018                        [(set F4RC:$frD, (fsqrt F4RC:$frB))]>;
1019  }
1020}
1021
1022/// FMR is split into 3 versions, one for 4/8 byte FP, and one for extending.
1023///
1024/// Note that these are defined as pseudo-ops on the PPC970 because they are
1025/// often coalesced away and we don't want the dispatch group builder to think
1026/// that they will fill slots (which could cause the load of a LSU reject to
1027/// sneak into a d-group with a store).
1028def FMRS   : XForm_26<63, 72, (outs F4RC:$frD), (ins F4RC:$frB),
1029                      "fmr $frD, $frB", FPGeneral,
1030                      []>,  // (set F4RC:$frD, F4RC:$frB)
1031                      PPC970_Unit_Pseudo;
1032def FMRD   : XForm_26<63, 72, (outs F8RC:$frD), (ins F8RC:$frB),
1033                      "fmr $frD, $frB", FPGeneral,
1034                      []>,  // (set F8RC:$frD, F8RC:$frB)
1035                      PPC970_Unit_Pseudo;
1036def FMRSD  : XForm_26<63, 72, (outs F8RC:$frD), (ins F4RC:$frB),
1037                      "fmr $frD, $frB", FPGeneral,
1038                      [(set F8RC:$frD, (fextend F4RC:$frB))]>,
1039                      PPC970_Unit_Pseudo;
1040
1041let PPC970_Unit = 3 in {  // FPU Operations.
1042// These are artificially split into two different forms, for 4/8 byte FP.
1043def FABSS  : XForm_26<63, 264, (outs F4RC:$frD), (ins F4RC:$frB),
1044                      "fabs $frD, $frB", FPGeneral,
1045                      [(set F4RC:$frD, (fabs F4RC:$frB))]>;
1046def FABSD  : XForm_26<63, 264, (outs F8RC:$frD), (ins F8RC:$frB),
1047                      "fabs $frD, $frB", FPGeneral,
1048                      [(set F8RC:$frD, (fabs F8RC:$frB))]>;
1049def FNABSS : XForm_26<63, 136, (outs F4RC:$frD), (ins F4RC:$frB),
1050                      "fnabs $frD, $frB", FPGeneral,
1051                      [(set F4RC:$frD, (fneg (fabs F4RC:$frB)))]>;
1052def FNABSD : XForm_26<63, 136, (outs F8RC:$frD), (ins F8RC:$frB),
1053                      "fnabs $frD, $frB", FPGeneral,
1054                      [(set F8RC:$frD, (fneg (fabs F8RC:$frB)))]>;
1055def FNEGS  : XForm_26<63, 40, (outs F4RC:$frD), (ins F4RC:$frB),
1056                      "fneg $frD, $frB", FPGeneral,
1057                      [(set F4RC:$frD, (fneg F4RC:$frB))]>;
1058def FNEGD  : XForm_26<63, 40, (outs F8RC:$frD), (ins F8RC:$frB),
1059                      "fneg $frD, $frB", FPGeneral,
1060                      [(set F8RC:$frD, (fneg F8RC:$frB))]>;
1061}
1062                      
1063
1064// XL-Form instructions.  condition register logical ops.
1065//
1066def MCRF   : XLForm_3<19, 0, (outs CRRC:$BF), (ins CRRC:$BFA),
1067                      "mcrf $BF, $BFA", BrMCR>,
1068             PPC970_DGroup_First, PPC970_Unit_CRU;
1069
1070def CREQV  : XLForm_1<19, 289, (outs CRBITRC:$CRD),
1071                               (ins CRBITRC:$CRA, CRBITRC:$CRB),
1072                      "creqv $CRD, $CRA, $CRB", BrCR,
1073                      []>;
1074
1075def CROR  : XLForm_1<19, 449, (outs CRBITRC:$CRD),
1076                               (ins CRBITRC:$CRA, CRBITRC:$CRB),
1077                      "cror $CRD, $CRA, $CRB", BrCR,
1078                      []>;
1079
1080def CRSET  : XLForm_1_ext<19, 289, (outs CRBITRC:$dst), (ins),
1081              "creqv $dst, $dst, $dst", BrCR,
1082              []>;
1083
1084// XFX-Form instructions.  Instructions that deal with SPRs.
1085//
1086let Uses = [CTR] in {
1087def MFCTR : XFXForm_1_ext<31, 339, 9, (outs GPRC:$rT), (ins),
1088                          "mfctr $rT", SprMFSPR>,
1089            PPC970_DGroup_First, PPC970_Unit_FXU;
1090}
1091let Defs = [CTR], Pattern = [(PPCmtctr GPRC:$rS)] in {
1092def MTCTR : XFXForm_7_ext<31, 467, 9, (outs), (ins GPRC:$rS),
1093                          "mtctr $rS", SprMTSPR>,
1094            PPC970_DGroup_First, PPC970_Unit_FXU;
1095}
1096
1097let Defs = [LR] in {
1098def MTLR  : XFXForm_7_ext<31, 467, 8, (outs), (ins GPRC:$rS),
1099                          "mtlr $rS", SprMTSPR>,
1100            PPC970_DGroup_First, PPC970_Unit_FXU;
1101}
1102let Uses = [LR] in {
1103def MFLR  : XFXForm_1_ext<31, 339, 8, (outs GPRC:$rT), (ins),
1104                          "mflr $rT", SprMFSPR>,
1105            PPC970_DGroup_First, PPC970_Unit_FXU;
1106}
1107
1108// Move to/from VRSAVE: despite being a SPR, the VRSAVE register is renamed like
1109// a GPR on the PPC970.  As such, copies in and out have the same performance
1110// characteristics as an OR instruction.
1111def MTVRSAVE : XFXForm_7_ext<31, 467, 256, (outs), (ins GPRC:$rS),
1112                             "mtspr 256, $rS", IntGeneral>,
1113               PPC970_DGroup_Single, PPC970_Unit_FXU;
1114def MFVRSAVE : XFXForm_1_ext<31, 339, 256, (outs GPRC:$rT), (ins),
1115                             "mfspr $rT, 256", IntGeneral>,
1116               PPC970_DGroup_First, PPC970_Unit_FXU;
1117
1118def MTCRF : XFXForm_5<31, 144, (outs), (ins crbitm:$FXM, GPRC:$rS),
1119                      "mtcrf $FXM, $rS", BrMCRX>,
1120            PPC970_MicroCode, PPC970_Unit_CRU;
1121// FIXME:  this Uses all the CR registers.  Marking it as such is 
1122// necessary for DeadMachineInstructionElim to do the right thing.
1123// However, marking it also exposes PR 2964, and causes crashes in
1124// the Local RA because it doesn't like this sequence:
1125//  vreg = MCRF  CR0
1126//  MFCR  <kill of whatever preg got assigned to vreg>
1127// For now DeadMachineInstructionElim is turned off, so don't do the marking.
1128def MFCR  : XFXForm_3<31, 19, (outs GPRC:$rT), (ins), "mfcr $rT", SprMFCR>,
1129            PPC970_MicroCode, PPC970_Unit_CRU;
1130def MFOCRF: XFXForm_5a<31, 19, (outs GPRC:$rT), (ins crbitm:$FXM),
1131                       "mfcr $rT, $FXM", SprMFCR>,
1132            PPC970_DGroup_First, PPC970_Unit_CRU;
1133
1134// Instructions to manipulate FPSCR.  Only long double handling uses these.
1135// FPSCR is not modelled; we use the SDNode Flag to keep things in order.
1136
1137let Uses = [RM], Defs = [RM] in { 
1138  def MTFSB0 : XForm_43<63, 70, (outs), (ins u5imm:$FM),
1139                         "mtfsb0 $FM", IntMTFSB0,
1140                        [(PPCmtfsb0 (i32 imm:$FM))]>,
1141               PPC970_DGroup_Single, PPC970_Unit_FPU;
1142  def MTFSB1 : XForm_43<63, 38, (outs), (ins u5imm:$FM),
1143                         "mtfsb1 $FM", IntMTFSB0,
1144                        [(PPCmtfsb1 (i32 imm:$FM))]>,
1145               PPC970_DGroup_Single, PPC970_Unit_FPU;
1146  // MTFSF does not actually produce an FP result.  We pretend it copies
1147  // input reg B to the output.  If we didn't do this it would look like the
1148  // instruction had no outputs (because we aren't modelling the FPSCR) and
1149  // it would be deleted.
1150  def MTFSF  : XFLForm<63, 711, (outs F8RC:$FRA),
1151                                (ins i32imm:$FM, F8RC:$rT, F8RC:$FRB),
1152                         "mtfsf $FM, $rT", "$FRB = $FRA", IntMTFSB0,
1153                         [(set F8RC:$FRA, (PPCmtfsf (i32 imm:$FM), 
1154                                                     F8RC:$rT, F8RC:$FRB))]>,
1155               PPC970_DGroup_Single, PPC970_Unit_FPU;
1156}
1157let Uses = [RM] in {
1158  def MFFS   : XForm_42<63, 583, (outs F8RC:$rT), (ins), 
1159                         "mffs $rT", IntMFFS,
1160                         [(set F8RC:$rT, (PPCmffs))]>,
1161               PPC970_DGroup_Single, PPC970_Unit_FPU;
1162  def FADDrtz: AForm_2<63, 21,
1163                      (outs F8RC:$FRT), (ins F8RC:$FRA, F8RC:$FRB),
1164                      "fadd $FRT, $FRA, $FRB", FPGeneral,
1165                      [(set F8RC:$FRT, (PPCfaddrtz F8RC:$FRA, F8RC:$FRB))]>,
1166               PPC970_DGroup_Single, PPC970_Unit_FPU;
1167}
1168
1169
1170let PPC970_Unit = 1 in {  // FXU Operations.
1171
1172// XO-Form instructions.  Arithmetic instructions that can set overflow bit
1173//
1174def ADD4  : XOForm_1<31, 266, 0, (outs GPRC:$rT), (ins GPRC:$rA, GPRC:$rB),
1175                     "add $rT, $rA, $rB", IntGeneral,
1176                     [(set GPRC:$rT, (add GPRC:$rA, GPRC:$rB))]>;
1177let Defs = [CARRY] in {
1178def ADDC  : XOForm_1<31, 10, 0, (outs GPRC:$rT), (ins GPRC:$rA, GPRC:$rB),
1179                     "addc $rT, $rA, $rB", IntGeneral,
1180                     [(set GPRC:$rT, (addc GPRC:$rA, GPRC:$rB))]>,
1181                     PPC970_DGroup_Cracked;
1182}
1183def DIVW  : XOForm_1<31, 491, 0, (outs GPRC:$rT), (ins GPRC:$rA, GPRC:$rB),
1184                     "divw $rT, $rA, $rB", IntDivW,
1185                     [(set GPRC:$rT, (sdiv GPRC:$rA, GPRC:$rB))]>,
1186                     PPC970_DGroup_First, PPC970_DGroup_Cracked;
1187def DIVWU : XOForm_1<31, 459, 0, (outs GPRC:$rT), (ins GPRC:$rA, GPRC:$rB),
1188                     "divwu $rT, $rA, $rB", IntDivW,
1189                     [(set GPRC:$rT, (udiv GPRC:$rA, GPRC:$rB))]>,
1190                     PPC970_DGroup_First, PPC970_DGroup_Cracked;
1191def MULHW : XOForm_1<31, 75, 0, (outs GPRC:$rT), (ins GPRC:$rA, GPRC:$rB),
1192                     "mulhw $rT, $rA, $rB", IntMulHW,
1193                     [(set GPRC:$rT, (mulhs GPRC:$rA, GPRC:$rB))]>;
1194def MULHWU : XOForm_1<31, 11, 0, (outs GPRC:$rT), (ins GPRC:$rA, GPRC:$rB),
1195                     "mulhwu $rT, $rA, $rB", IntMulHWU,
1196                     [(set GPRC:$rT, (mulhu GPRC:$rA, GPRC:$rB))]>;
1197def MULLW : XOForm_1<31, 235, 0, (outs GPRC:$rT), (ins GPRC:$rA, GPRC:$rB),
1198                     "mullw $rT, $rA, $rB", IntMulHW,
1199                     [(set GPRC:$rT, (mul GPRC:$rA, GPRC:$rB))]>;
1200def SUBF  : XOForm_1<31, 40, 0, (outs GPRC:$rT), (ins GPRC:$rA, GPRC:$rB),
1201                     "subf $rT, $rA, $rB", IntGeneral,
1202                     [(set GPRC:$rT, (sub GPRC:$rB, GPRC:$rA))]>;
1203let Defs = [CARRY] in {
1204def SUBFC : XOForm_1<31, 8, 0, (outs GPRC:$rT), (ins GPRC:$rA, GPRC:$rB),
1205                     "subfc $rT, $rA, $rB", IntGeneral,
1206                     [(set GPRC:$rT, (subc GPRC:$rB, GPRC:$rA))]>,
1207                     PPC970_DGroup_Cracked;
1208}
1209def NEG    : XOForm_3<31, 104, 0, (outs GPRC:$rT), (ins GPRC:$rA),
1210                      "neg $rT, $rA", IntGeneral,
1211                      [(set GPRC:$rT, (ineg GPRC:$rA))]>;
1212let Uses = [CARRY], Defs = [CARRY] in {
1213def ADDE  : XOForm_1<31, 138, 0, (outs GPRC:$rT), (ins GPRC:$rA, GPRC:$rB),
1214                      "adde $rT, $rA, $rB", IntGeneral,
1215                      [(set GPRC:$rT, (adde GPRC:$rA, GPRC:$rB))]>;
1216def ADDME  : XOForm_3<31, 234, 0, (outs GPRC:$rT), (ins GPRC:$rA),
1217                      "addme $rT, $rA", IntGeneral,
1218                      [(set GPRC:$rT, (adde GPRC:$rA, immAllOnes))]>;
1219def ADDZE  : XOForm_3<31, 202, 0, (outs GPRC:$rT), (ins GPRC:$rA),
1220                      "addze $rT, $rA", IntGeneral,
1221                      [(set GPRC:$rT, (adde GPRC:$rA, 0))]>;
1222def SUBFE : XOForm_1<31, 136, 0, (outs GPRC:$rT), (ins GPRC:$rA, GPRC:$rB),
1223                      "subfe $rT, $rA, $rB", IntGeneral,
1224                      [(set GPRC:$rT, (sube GPRC:$rB, GPRC:$rA))]>;
1225def SUBFME : XOForm_3<31, 232, 0, (outs GPRC:$rT), (ins GPRC:$rA),
1226                      "subfme $rT, $rA", IntGeneral,
1227                      [(set GPRC:$rT, (sube immAllOnes, GPRC:$rA))]>;
1228def SUBFZE : XOForm_3<31, 200, 0, (outs GPRC:$rT), (ins GPRC:$rA),
1229                      "subfze $rT, $rA", IntGeneral,
1230                      [(set GPRC:$rT, (sube 0, GPRC:$rA))]>;
1231}
1232}
1233
1234// A-Form instructions.  Most of the instructions executed in the FPU are of
1235// this type.
1236//
1237let PPC970_Unit = 3 in {  // FPU Operations.
1238let Uses = [RM] in {
1239  def FMADD : AForm_1<63, 29, 
1240                      (outs F8RC:$FRT), (ins F8RC:$FRA, F8RC:$FRC, F8RC:$FRB),
1241                      "fmadd $FRT, $FRA, $FRC, $FRB", FPFused,
1242                      [(set F8RC:$FRT, (fadd (fmul F8RC:$FRA, F8RC:$FRC),
1243                                             F8RC:$FRB))]>,
1244                      Requires<[FPContractions]>;
1245  def FMADDS : AForm_1<59, 29,
1246                      (outs F4RC:$FRT), (ins F4RC:$FRA, F4RC:$FRC, F4RC:$FRB),
1247                      "fmadds $FRT, $FRA, $FRC, $FRB", FPGeneral,
1248                      [(set F4RC:$FRT, (fadd (fmul F4RC:$FRA, F4RC:$FRC),
1249                                             F4RC:$FRB))]>,
1250                      Requires<[FPContractions]>;
1251  def FMSUB : AForm_1<63, 28,
1252                      (outs F8RC:$FRT), (ins F8RC:$FRA, F8RC:$FRC, F8RC:$FRB),
1253                      "fmsub $FRT, $FRA, $FRC, $FRB", FPFused,
1254                      [(set F8RC:$FRT, (fsub (fmul F8RC:$FRA, F8RC:$FRC),
1255                                             F8RC:$FRB))]>,
1256                      Requires<[FPContractions]>;
1257  def FMSUBS : AForm_1<59, 28,
1258                      (outs F4RC:$FRT), (ins F4RC:$FRA, F4RC:$FRC, F4RC:$FRB),
1259                      "fmsubs $FRT, $FRA, $FRC, $FRB", FPGeneral,
1260                      [(set F4RC:$FRT, (fsub (fmul F4RC:$FRA, F4RC:$FRC),
1261                                             F4RC:$FRB))]>,
1262                      Requires<[FPContractions]>;
1263  def FNMADD : AForm_1<63, 31,
1264                      (outs F8RC:$FRT), (ins F8RC:$FRA, F8RC:$FRC, F8RC:$FRB),
1265                      "fnmadd $FRT, $FRA, $FRC, $FRB", FPFused,
1266                      [(set F8RC:$FRT, (fneg (fadd (fmul F8RC:$FRA, F8RC:$FRC),
1267                                                   F8RC:$FRB)))]>,
1268                      Requires<[FPContractions]>;
1269  def FNMADDS : AForm_1<59, 31,
1270                      (outs F4RC:$FRT), (ins F4RC:$FRA, F4RC:$FRC, F4RC:$FRB),
1271                      "fnmadds $FRT, $FRA, $FRC, $FRB", FPGeneral,
1272                      [(set F4RC:$FRT, (fneg (fadd (fmul F4RC:$FRA, F4RC:$FRC),
1273                                                   F4RC:$FRB)))]>,
1274                      Requires<[FPContractions]>;
1275  def FNMSUB : AForm_1<63, 30,
1276                      (outs F8RC:$FRT), (ins F8RC:$FRA, F8RC:$FRC, F8RC:$FRB),
1277                      "fnmsub $FRT, $FRA, $FRC, $FRB", FPFused,
1278                      [(set F8RC:$FRT, (fneg (fsub (fmul F8RC:$FRA, F8RC:$FRC),
1279                                                   F8RC:$FRB)))]>,
1280                      Requires<[FPContractions]>;
1281  def FNMSUBS : AForm_1<59, 30,
1282                      (outs F4RC:$FRT), (ins F4RC:$FRA, F4RC:$FRC, F4RC:$FRB),
1283                      "fnmsubs $FRT, $FRA, $FRC, $FRB", FPGeneral,
1284                      [(set F4RC:$FRT, (fneg (fsub (fmul F4RC:$FRA, F4RC:$FRC),
1285                                                   F4RC:$FRB)))]>,
1286                      Requires<[FPContractions]>;
1287}
1288// FSEL is artificially split into 4 and 8-byte forms for the result.  To avoid
1289// having 4 of these, force the comparison to always be an 8-byte double (code
1290// should use an FMRSD if the input comparison value really wants to be a float)
1291// and 4/8 byte forms for the result and operand type..
1292def FSELD : AForm_1<63, 23,
1293                    (outs F8RC:$FRT), (ins F8RC:$FRA, F8RC:$FRC, F8RC:$FRB),
1294                    "fsel $FRT, $FRA, $FRC, $FRB", FPGeneral,
1295                    [(set F8RC:$FRT, (PPCfsel F8RC:$FRA,F8RC:$FRC,F8RC:$FRB))]>;
1296def FSELS : AForm_1<63, 23,
1297                     (outs F4RC:$FRT), (ins F8RC:$FRA, F4RC:$FRC, F4RC:$FRB),
1298                     "fsel $FRT, $FRA, $FRC, $FRB", FPGeneral,
1299                    [(set F4RC:$FRT, (PPCfsel F8RC:$FRA,F4RC:$FRC,F4RC:$FRB))]>;
1300let Uses = [RM] in {
1301  def FADD  : AForm_2<63, 21,
1302                      (outs F8RC:$FRT), (ins F8RC:$FRA, F8RC:$FRB),
1303                      "fadd $FRT, $FRA, $FRB", FPGeneral,
1304                      [(set F8RC:$FRT, (fadd F8RC:$FRA, F8RC:$FRB))]>;
1305  def FADDS : AForm_2<59, 21,
1306                      (outs F4RC:$FRT), (ins F4RC:$FRA, F4RC:$FRB),
1307                      "fadds $FRT, $FRA, $FRB", FPGeneral,
1308                      [(set F4RC:$FRT, (fadd F4RC:$FRA, F4RC:$FRB))]>;
1309  def FDIV  : AForm_2<63, 18,
1310                      (outs F8RC:$FRT), (ins F8RC:$FRA, F8RC:$FRB),
1311                      "fdiv $FRT, $FRA, $FRB", FPDivD,
1312                      [(set F8RC:$FRT, (fdiv F8RC:$FRA, F8RC:$FRB))]>;
1313  def FDIVS : AForm_2<59, 18,
1314                      (outs F4RC:$FRT), (ins F4RC:$FRA, F4RC:$FRB),
1315                      "fdivs $FRT, $FRA, $FRB", FPDivS,
1316                      [(set F4RC:$FRT, (fdiv F4RC:$FRA, F4RC:$FRB))]>;
1317  def FMUL  : AForm_3<63, 25,
1318                      (outs F8RC:$FRT), (ins F8RC:$FRA, F8RC:$FRB),
1319                      "fmul $FRT, $FRA, $FRB", FPFused,
1320                      [(set F8RC:$FRT, (fmul F8RC:$FRA, F8RC:$FRB))]>;
1321  def FMULS : AForm_3<59, 25,
1322                      (outs F4RC:$FRT), (ins F4RC:$FRA, F4RC:$FRB),
1323                      "fmuls $FRT, $FRA, $FRB", FPGeneral,
1324                      [(set F4RC:$FRT, (fmul F4RC:$FRA, F4RC:$FRB))]>;
1325  def FSUB  : AForm_2<63, 20,
1326                      (outs F8RC:$FRT), (ins F8RC:$FRA, F8RC:$FRB),
1327                      "fsub $FRT, $FRA, $FRB", FPGeneral,
1328                      [(set F8RC:$FRT, (fsub F8RC:$FRA, F8RC:$FRB))]>;
1329  def FSUBS : AForm_2<59, 20,
1330                      (outs F4RC:$FRT), (ins F4RC:$FRA, F4RC:$FRB),
1331                      "fsubs $FRT, $FRA, $FRB", FPGeneral,
1332                      [(set F4RC:$FRT, (fsub F4RC:$FRA, F4RC:$FRB))]>;
1333  }
1334}
1335
1336let PPC970_Unit = 1 in {  // FXU Operations.
1337// M-Form instructions.  rotate and mask instructions.
1338//
1339let isCommutable = 1 in {
1340// RLWIMI can be commuted if the rotate amount is zero.
1341def RLWIMI : MForm_2<20,
1342                     (outs GPRC:$rA), (ins GPRC:$rSi, GPRC:$rS, u5imm:$SH, u5imm:$MB, 
1343                      u5imm:$ME), "rlwimi $rA, $rS, $SH, $MB, $ME", IntRotate,
1344                      []>, PPC970_DGroup_Cracked, RegConstraint<"$rSi = $rA">,
1345                      NoEncode<"$rSi">;
1346}
1347def RLWINM : MForm_2<21,
1348                     (outs GPRC:$rA), (ins GPRC:$rS, u5imm:$SH, u5imm:$MB, u5imm:$ME),
1349                     "rlwinm $rA, $rS, $SH, $MB, $ME", IntGeneral,
1350                     []>;
1351def RLWINMo : MForm_2<21,
1352                     (outs GPRC:$rA), (ins GPRC:$rS, u5imm:$SH, u5imm:$MB, u5imm:$ME),
1353                     "rlwinm. $rA, $rS, $SH, $MB, $ME", IntGeneral,
1354                     []>, isDOT, PPC970_DGroup_Cracked;
1355def RLWNM  : MForm_2<23,
1356                     (outs GPRC:$rA), (ins GPRC:$rS, GPRC:$rB, u5imm:$MB, u5imm:$ME),
1357                     "rlwnm $rA, $rS, $rB, $MB, $ME", IntGeneral,
1358                     []>;
1359}
1360
1361
1362//===----------------------------------------------------------------------===//
1363// PowerPC Instruction Patterns
1364//
1365
1366// Arbitrary immediate support.  Implement in terms of LIS/ORI.
1367def : Pat<(i32 imm:$imm),
1368          (ORI (LIS (HI16 imm:$imm)), (LO16 imm:$imm))>;
1369
1370// Implement the 'not' operation with the NOR instruction.
1371def NOT : Pat<(not GPRC:$in),
1372              (NOR GPRC:$in, GPRC:$in)>;
1373
1374// ADD an arbitrary immediate.
1375def : Pat<(add GPRC:$in, imm:$imm),
1376          (ADDIS (ADDI GPRC:$in, (LO16 imm:$imm)), (HA16 imm:$imm))>;
1377// OR an arbitrary immediate.
1378def : Pat<(or GPRC:$in, imm:$imm),
1379          (ORIS (ORI GPRC:$in, (LO16 imm:$imm)), (HI16 imm:$imm))>;
1380// XOR an arbitrary immediate.
1381def : Pat<(xor GPRC:$in, imm:$imm),
1382          (XORIS (XORI GPRC:$in, (LO16 imm:$imm)), (HI16 imm:$imm))>;
1383// SUBFIC
1384def : Pat<(sub  immSExt16:$imm, GPRC:$in),
1385          (SUBFIC GPRC:$in, imm:$imm)>;
1386
1387// SHL/SRL
1388def : Pat<(shl GPRC:$in, (i32 imm:$imm)),
1389          (RLWINM GPRC:$in, imm:$imm, 0, (SHL32 imm:$imm))>;
1390def : Pat<(srl GPRC:$in, (i32 imm:$imm)),
1391          (RLWINM GPRC:$in, (SRL32 imm:$imm), imm:$imm, 31)>;
1392
1393// ROTL
1394def : Pat<(rotl GPRC:$in, GPRC:$sh),
1395          (RLWNM GPRC:$in, GPRC:$sh, 0, 31)>;
1396def : Pat<(rotl GPRC:$in, (i32 imm:$imm)),
1397          (RLWINM GPRC:$in, imm:$imm, 0, 31)>;
1398
1399// RLWNM
1400def : Pat<(and (rotl GPRC:$in, GPRC:$sh), maskimm32:$imm),
1401          (RLWNM GPRC:$in, GPRC:$sh, (MB maskimm32:$imm), (ME maskimm32:$imm))>;
1402
1403// Calls
1404def : Pat<(PPCcall_Darwin (i32 tglobaladdr:$dst)),
1405          (BL_Darwin tglobaladdr:$dst)>;
1406def : Pat<(PPCcall_Darwin (i32 texternalsym:$dst)),
1407          (BL_Darwin texternalsym:$dst)>;
1408def : Pat<(PPCcall_SVR4 (i32 tglobaladdr:$dst)),
1409          (BL_SVR4 tglobaladdr:$dst)>;
1410def : Pat<(PPCcall_SVR4 (i32 texternalsym:$dst)),
1411          (BL_SVR4 texternalsym:$dst)>;
1412
1413
1414def : Pat<(PPCtc_return (i32 tglobaladdr:$dst),  imm:$imm),
1415          (TCRETURNdi tglobaladdr:$dst, imm:$imm)>;
1416
1417def : Pat<(PPCtc_return (i32 texternalsym:$dst), imm:$imm),
1418          (TCRETURNdi texternalsym:$dst, imm:$imm)>;
1419
1420def : Pat<(PPCtc_return CTRRC:$dst, imm:$imm),
1421          (TCRETURNri CTRRC:$dst, imm:$imm)>;
1422
1423
1424
1425// Hi and Lo for Darwin Global Addresses.
1426def : Pat<(PPChi tglobaladdr:$in, 0), (LIS tglobaladdr:$in)>;
1427def : Pat<(PPClo tglobaladdr:$in, 0), (LI tglobaladdr:$in)>;
1428def : Pat<(PPChi tconstpool:$in, 0), (LIS tconstpool:$in)>;
1429def : Pat<(PPClo tconstpool:$in, 0), (LI tconstpool:$in)>;
1430def : Pat<(PPChi tjumptable:$in, 0), (LIS tjumptable:$in)>;
1431def : Pat<(PPClo tjumptable:$in, 0), (LI tjumptable:$in)>;
1432def : Pat<(PPChi tblockaddress:$in, 0), (LIS tblockaddress:$in)>;
1433def : Pat<(PPClo tblockaddress:$in, 0), (LI tblockaddress:$in)>;
1434def : Pat<(add GPRC:$in, (PPChi tglobaladdr:$g, 0)),
1435          (ADDIS GPRC:$in, tglobaladdr:$g)>;
1436def : Pat<(add GPRC:$in, (PPChi tconstpool:$g, 0)),
1437          (ADDIS GPRC:$in, tconstpool:$g)>;
1438def : Pat<(add GPRC:$in, (PPChi tjumptable:$g, 0)),
1439          (ADDIS GPRC:$in, tjumptable:$g)>;
1440def : Pat<(add GPRC:$in, (PPChi tblockaddress:$g, 0)),
1441          (ADDIS GPRC:$in, tblockaddress:$g)>;
1442
1443// Fused negative multiply subtract, alternate pattern
1444def : Pat<(fsub F8RC:$B, (fmul F8RC:$A, F8RC:$C)),
1445          (FNMSUB F8RC:$A, F8RC:$C, F8RC:$B)>,
1446          Requires<[FPContractions]>;
1447def : Pat<(fsub F4RC:$B, (fmul F4RC:$A, F4RC:$C)),
1448          (FNMSUBS F4RC:$A, F4RC:$C, F4RC:$B)>,
1449          Requires<[FPContractions]>;
1450
1451// Standard shifts.  These are represented separately from the real shifts above
1452// so that we can distinguish between shifts that allow 5-bit and 6-bit shift
1453// amounts.
1454def : Pat<(sra GPRC:$rS, GPRC:$rB),
1455          (SRAW GPRC:$rS, GPRC:$rB)>;
1456def : Pat<(srl GPRC:$rS, GPRC:$rB),
1457          (SRW GPRC:$rS, GPRC:$rB)>;
1458def : Pat<(shl GPRC:$rS, GPRC:$rB),
1459          (SLW GPRC:$rS, GPRC:$rB)>;
1460
1461def : Pat<(zextloadi1 iaddr:$src),
1462          (LBZ iaddr:$src)>;
1463def : Pat<(zextloadi1 xaddr:$src),
1464          (LBZX xaddr:$src)>;
1465def : Pat<(extloadi1 iaddr:$src),
1466          (LBZ iaddr:$src)>;
1467def : Pat<(extloadi1 xaddr:$src),
1468          (LBZX xaddr:$src)>;
1469def : Pat<(extloadi8 iaddr:$src),
1470          (LBZ iaddr:$src)>;
1471def : Pat<(extloadi8 xaddr:$src),
1472          (LBZX xaddr:$src)>;
1473def : Pat<(extloadi16 iaddr:$src),
1474          (LHZ iaddr:$src)>;
1475def : Pat<(extloadi16 xaddr:$src),
1476          (LHZX xaddr:$src)>;
1477def : Pat<(extloadf32 iaddr:$src),
1478          (FMRSD (LFS iaddr:$src))>;
1479def : Pat<(extloadf32 xaddr:$src),
1480          (FMRSD (LFSX xaddr:$src))>;
1481
1482// Memory barriers
1483def : Pat<(membarrier (i32 imm:$ll),
1484                      (i32 imm:$ls),
1485                      (i32 imm:$sl),
1486                      (i32 imm:$ss),
1487                      (i32 imm:$device)),
1488           (SYNC)>;
1489
1490include "PPCInstrAltivec.td"
1491include "PPCInstr64Bit.td"
1492