PPCInstrInfo.td revision 223017
155714Skris//===- PPCInstrInfo.td - The PowerPC Instruction Set -------*- tablegen -*-===//
255714Skris// 
355714Skris//                     The LLVM Compiler Infrastructure
455714Skris//
555714Skris// This file is distributed under the University of Illinois Open Source
655714Skris// License. See LICENSE.TXT for details.
755714Skris// 
855714Skris//===----------------------------------------------------------------------===//
955714Skris//
1055714Skris// This file describes the subset of the 32-bit PowerPC instruction set, as used
1155714Skris// by the PowerPC instruction selector.
1255714Skris//
1355714Skris//===----------------------------------------------------------------------===//
1455714Skris
1555714Skrisinclude "PPCInstrFormats.td"
1655714Skris
1755714Skris//===----------------------------------------------------------------------===//
1855714Skris// PowerPC specific type constraints.
1955714Skris//
2055714Skrisdef SDT_PPCstfiwx : SDTypeProfile<0, 2, [ // stfiwx
2155714Skris  SDTCisVT<0, f64>, SDTCisPtrTy<1>
2255714Skris]>;
2355714Skrisdef SDT_PPCCallSeqStart : SDCallSeqStart<[ SDTCisVT<0, i32> ]>;
2455714Skrisdef SDT_PPCCallSeqEnd   : SDCallSeqEnd<[ SDTCisVT<0, i32>,
2555714Skris                                         SDTCisVT<1, i32> ]>;
2655714Skrisdef SDT_PPCvperm   : SDTypeProfile<1, 3, [
2755714Skris  SDTCisVT<3, v16i8>, SDTCisSameAs<0, 1>, SDTCisSameAs<0, 2>
2855714Skris]>;
2955714Skris
3055714Skrisdef SDT_PPCvcmp : SDTypeProfile<1, 3, [
3155714Skris  SDTCisSameAs<0, 1>, SDTCisSameAs<1, 2>, SDTCisVT<3, i32>
3255714Skris]>;
3355714Skris
3455714Skrisdef SDT_PPCcondbr : SDTypeProfile<0, 3, [
3555714Skris  SDTCisVT<0, i32>, SDTCisVT<2, OtherVT>
36]>;
37
38def SDT_PPClbrx : SDTypeProfile<1, 2, [
39  SDTCisVT<0, i32>, SDTCisPtrTy<1>, SDTCisVT<2, OtherVT>
40]>;
41def SDT_PPCstbrx : SDTypeProfile<0, 3, [
42  SDTCisVT<0, i32>, SDTCisPtrTy<1>, SDTCisVT<2, OtherVT>
43]>;
44
45def SDT_PPClarx : SDTypeProfile<1, 1, [
46  SDTCisInt<0>, SDTCisPtrTy<1>
47]>;
48def SDT_PPCstcx : SDTypeProfile<0, 2, [
49  SDTCisInt<0>, SDTCisPtrTy<1>
50]>;
51
52def SDT_PPCTC_ret : SDTypeProfile<0, 2, [
53  SDTCisPtrTy<0>, SDTCisVT<1, i32>
54]>;
55
56def SDT_PPCnop : SDTypeProfile<0, 0, []>;
57
58//===----------------------------------------------------------------------===//
59// PowerPC specific DAG Nodes.
60//
61
62def PPCfcfid  : SDNode<"PPCISD::FCFID" , SDTFPUnaryOp, []>;
63def PPCfctidz : SDNode<"PPCISD::FCTIDZ", SDTFPUnaryOp, []>;
64def PPCfctiwz : SDNode<"PPCISD::FCTIWZ", SDTFPUnaryOp, []>;
65def PPCstfiwx : SDNode<"PPCISD::STFIWX", SDT_PPCstfiwx,
66                       [SDNPHasChain, SDNPMayStore]>;
67
68// This sequence is used for long double->int conversions.  It changes the
69// bits in the FPSCR which is not modelled.  
70def PPCmffs   : SDNode<"PPCISD::MFFS", SDTypeProfile<1, 0, [SDTCisVT<0, f64>]>,
71                        [SDNPOutGlue]>;
72def PPCmtfsb0 : SDNode<"PPCISD::MTFSB0", SDTypeProfile<0, 1, [SDTCisInt<0>]>,
73                       [SDNPInGlue, SDNPOutGlue]>;
74def PPCmtfsb1 : SDNode<"PPCISD::MTFSB1", SDTypeProfile<0, 1, [SDTCisInt<0>]>,
75                       [SDNPInGlue, SDNPOutGlue]>;
76def PPCfaddrtz: SDNode<"PPCISD::FADDRTZ", SDTFPBinOp,
77                       [SDNPInGlue, SDNPOutGlue]>;
78def PPCmtfsf  : SDNode<"PPCISD::MTFSF", SDTypeProfile<1, 3, 
79                       [SDTCisVT<0, f64>, SDTCisInt<1>, SDTCisVT<2, f64>,
80                        SDTCisVT<3, f64>]>,
81                       [SDNPInGlue]>;
82
83def PPCfsel   : SDNode<"PPCISD::FSEL",  
84   // Type constraint for fsel.
85   SDTypeProfile<1, 3, [SDTCisSameAs<0, 2>, SDTCisSameAs<0, 3>, 
86                        SDTCisFP<0>, SDTCisVT<1, f64>]>, []>;
87
88def PPChi       : SDNode<"PPCISD::Hi", SDTIntBinOp, []>;
89def PPClo       : SDNode<"PPCISD::Lo", SDTIntBinOp, []>;
90def PPCtoc_entry: SDNode<"PPCISD::TOC_ENTRY", SDTIntBinOp, [SDNPMayLoad]>;
91def PPCvmaddfp  : SDNode<"PPCISD::VMADDFP", SDTFPTernaryOp, []>;
92def PPCvnmsubfp : SDNode<"PPCISD::VNMSUBFP", SDTFPTernaryOp, []>;
93
94def PPCvperm    : SDNode<"PPCISD::VPERM", SDT_PPCvperm, []>;
95
96// These nodes represent the 32-bit PPC shifts that operate on 6-bit shift
97// amounts.  These nodes are generated by the multi-precision shift code.
98def PPCsrl        : SDNode<"PPCISD::SRL"       , SDTIntShiftOp>;
99def PPCsra        : SDNode<"PPCISD::SRA"       , SDTIntShiftOp>;
100def PPCshl        : SDNode<"PPCISD::SHL"       , SDTIntShiftOp>;
101
102def PPCextsw_32   : SDNode<"PPCISD::EXTSW_32"  , SDTIntUnaryOp>;
103def PPCstd_32     : SDNode<"PPCISD::STD_32"    , SDTStore,
104                           [SDNPHasChain, SDNPMayStore]>;
105
106// These are target-independent nodes, but have target-specific formats.
107def callseq_start : SDNode<"ISD::CALLSEQ_START", SDT_PPCCallSeqStart,
108                           [SDNPHasChain, SDNPOutGlue]>;
109def callseq_end   : SDNode<"ISD::CALLSEQ_END",   SDT_PPCCallSeqEnd,
110                           [SDNPHasChain, SDNPOptInGlue, SDNPOutGlue]>;
111
112def SDT_PPCCall   : SDTypeProfile<0, -1, [SDTCisInt<0>]>;
113def PPCcall_Darwin : SDNode<"PPCISD::CALL_Darwin", SDT_PPCCall,
114                            [SDNPHasChain, SDNPOptInGlue, SDNPOutGlue,
115                             SDNPVariadic]>;
116def PPCcall_SVR4  : SDNode<"PPCISD::CALL_SVR4", SDT_PPCCall,
117                           [SDNPHasChain, SDNPOptInGlue, SDNPOutGlue,
118                            SDNPVariadic]>;
119def PPCnop : SDNode<"PPCISD::NOP", SDT_PPCnop, [SDNPInGlue, SDNPOutGlue]>;
120def PPCload   : SDNode<"PPCISD::LOAD", SDTypeProfile<1, 1, []>,
121                       [SDNPHasChain, SDNPOptInGlue, SDNPOutGlue]>;
122def PPCload_toc : SDNode<"PPCISD::LOAD_TOC", SDTypeProfile<0, 1, []>,
123                          [SDNPHasChain, SDNPInGlue, SDNPOutGlue]>;
124def PPCtoc_restore : SDNode<"PPCISD::TOC_RESTORE", SDTypeProfile<0, 0, []>,
125                            [SDNPHasChain, SDNPInGlue, SDNPOutGlue]>;
126def PPCmtctr      : SDNode<"PPCISD::MTCTR", SDT_PPCCall,
127                           [SDNPHasChain, SDNPOptInGlue, SDNPOutGlue]>;
128def PPCbctrl_Darwin  : SDNode<"PPCISD::BCTRL_Darwin", SDTNone,
129                              [SDNPHasChain, SDNPOptInGlue, SDNPOutGlue,
130                               SDNPVariadic]>;
131
132def PPCbctrl_SVR4  : SDNode<"PPCISD::BCTRL_SVR4", SDTNone,
133                            [SDNPHasChain, SDNPOptInGlue, SDNPOutGlue,
134                             SDNPVariadic]>;
135
136def retflag       : SDNode<"PPCISD::RET_FLAG", SDTNone,
137                           [SDNPHasChain, SDNPOptInGlue, SDNPVariadic]>;
138
139def PPCtc_return : SDNode<"PPCISD::TC_RETURN", SDT_PPCTC_ret,
140                        [SDNPHasChain,  SDNPOptInGlue, SDNPVariadic]>;
141
142def PPCvcmp       : SDNode<"PPCISD::VCMP" , SDT_PPCvcmp, []>;
143def PPCvcmp_o     : SDNode<"PPCISD::VCMPo", SDT_PPCvcmp, [SDNPOutGlue]>;
144
145def PPCcondbranch : SDNode<"PPCISD::COND_BRANCH", SDT_PPCcondbr,
146                           [SDNPHasChain, SDNPOptInGlue]>;
147
148def PPClbrx       : SDNode<"PPCISD::LBRX", SDT_PPClbrx,
149                           [SDNPHasChain, SDNPMayLoad]>;
150def PPCstbrx      : SDNode<"PPCISD::STBRX", SDT_PPCstbrx,
151                           [SDNPHasChain, SDNPMayStore]>;
152
153// Instructions to support atomic operations
154def PPClarx      : SDNode<"PPCISD::LARX", SDT_PPClarx,
155                          [SDNPHasChain, SDNPMayLoad]>;
156def PPCstcx      : SDNode<"PPCISD::STCX", SDT_PPCstcx,
157                          [SDNPHasChain, SDNPMayStore]>;
158
159// Instructions to support dynamic alloca.
160def SDTDynOp  : SDTypeProfile<1, 2, []>;
161def PPCdynalloc   : SDNode<"PPCISD::DYNALLOC", SDTDynOp, [SDNPHasChain]>;
162
163//===----------------------------------------------------------------------===//
164// PowerPC specific transformation functions and pattern fragments.
165//
166
167def SHL32 : SDNodeXForm<imm, [{
168  // Transformation function: 31 - imm
169  return getI32Imm(31 - N->getZExtValue());
170}]>;
171
172def SRL32 : SDNodeXForm<imm, [{
173  // Transformation function: 32 - imm
174  return N->getZExtValue() ? getI32Imm(32 - N->getZExtValue()) : getI32Imm(0);
175}]>;
176
177def LO16 : SDNodeXForm<imm, [{
178  // Transformation function: get the low 16 bits.
179  return getI32Imm((unsigned short)N->getZExtValue());
180}]>;
181
182def HI16 : SDNodeXForm<imm, [{
183  // Transformation function: shift the immediate value down into the low bits.
184  return getI32Imm((unsigned)N->getZExtValue() >> 16);
185}]>;
186
187def HA16 : SDNodeXForm<imm, [{
188  // Transformation function: shift the immediate value down into the low bits.
189  signed int Val = N->getZExtValue();
190  return getI32Imm((Val - (signed short)Val) >> 16);
191}]>;
192def MB : SDNodeXForm<imm, [{
193  // Transformation function: get the start bit of a mask
194  unsigned mb = 0, me;
195  (void)isRunOfOnes((unsigned)N->getZExtValue(), mb, me);
196  return getI32Imm(mb);
197}]>;
198
199def ME : SDNodeXForm<imm, [{
200  // Transformation function: get the end bit of a mask
201  unsigned mb, me = 0;
202  (void)isRunOfOnes((unsigned)N->getZExtValue(), mb, me);
203  return getI32Imm(me);
204}]>;
205def maskimm32 : PatLeaf<(imm), [{
206  // maskImm predicate - True if immediate is a run of ones.
207  unsigned mb, me;
208  if (N->getValueType(0) == MVT::i32)
209    return isRunOfOnes((unsigned)N->getZExtValue(), mb, me);
210  else
211    return false;
212}]>;
213
214def immSExt16  : PatLeaf<(imm), [{
215  // immSExt16 predicate - True if the immediate fits in a 16-bit sign extended
216  // field.  Used by instructions like 'addi'.
217  if (N->getValueType(0) == MVT::i32)
218    return (int32_t)N->getZExtValue() == (short)N->getZExtValue();
219  else
220    return (int64_t)N->getZExtValue() == (short)N->getZExtValue();
221}]>;
222def immZExt16  : PatLeaf<(imm), [{
223  // immZExt16 predicate - True if the immediate fits in a 16-bit zero extended
224  // field.  Used by instructions like 'ori'.
225  return (uint64_t)N->getZExtValue() == (unsigned short)N->getZExtValue();
226}], LO16>;
227
228// imm16Shifted* - These match immediates where the low 16-bits are zero.  There
229// are two forms: imm16ShiftedSExt and imm16ShiftedZExt.  These two forms are
230// identical in 32-bit mode, but in 64-bit mode, they return true if the
231// immediate fits into a sign/zero extended 32-bit immediate (with the low bits
232// clear).
233def imm16ShiftedZExt : PatLeaf<(imm), [{
234  // imm16ShiftedZExt predicate - True if only bits in the top 16-bits of the
235  // immediate are set.  Used by instructions like 'xoris'.
236  return (N->getZExtValue() & ~uint64_t(0xFFFF0000)) == 0;
237}], HI16>;
238
239def imm16ShiftedSExt : PatLeaf<(imm), [{
240  // imm16ShiftedSExt predicate - True if only bits in the top 16-bits of the
241  // immediate are set.  Used by instructions like 'addis'.  Identical to 
242  // imm16ShiftedZExt in 32-bit mode.
243  if (N->getZExtValue() & 0xFFFF) return false;
244  if (N->getValueType(0) == MVT::i32)
245    return true;
246  // For 64-bit, make sure it is sext right.
247  return N->getZExtValue() == (uint64_t)(int)N->getZExtValue();
248}], HI16>;
249
250
251//===----------------------------------------------------------------------===//
252// PowerPC Flag Definitions.
253
254class isPPC64 { bit PPC64 = 1; }
255class isDOT   {
256  list<Register> Defs = [CR0];
257  bit RC  = 1;
258}
259
260class RegConstraint<string C> {
261  string Constraints = C;
262}
263class NoEncode<string E> {
264  string DisableEncoding = E;
265}
266
267
268//===----------------------------------------------------------------------===//
269// PowerPC Operand Definitions.
270
271def s5imm   : Operand<i32> {
272  let PrintMethod = "printS5ImmOperand";
273}
274def u5imm   : Operand<i32> {
275  let PrintMethod = "printU5ImmOperand";
276}
277def u6imm   : Operand<i32> {
278  let PrintMethod = "printU6ImmOperand";
279}
280def s16imm  : Operand<i32> {
281  let PrintMethod = "printS16ImmOperand";
282}
283def u16imm  : Operand<i32> {
284  let PrintMethod = "printU16ImmOperand";
285}
286def s16immX4  : Operand<i32> {   // Multiply imm by 4 before printing.
287  let PrintMethod = "printS16X4ImmOperand";
288}
289def directbrtarget : Operand<OtherVT> {
290  let PrintMethod = "printBranchOperand";
291  let EncoderMethod = "getDirectBrEncoding";
292}
293def condbrtarget : Operand<OtherVT> {
294  let PrintMethod = "printBranchOperand";
295  let EncoderMethod = "getCondBrEncoding";
296}
297def calltarget : Operand<iPTR> {
298  let EncoderMethod = "getDirectBrEncoding";
299}
300def aaddr : Operand<iPTR> {
301  let PrintMethod = "printAbsAddrOperand";
302}
303def symbolHi: Operand<i32> {
304  let PrintMethod = "printSymbolHi";
305  let EncoderMethod = "getHA16Encoding";
306}
307def symbolLo: Operand<i32> {
308  let PrintMethod = "printSymbolLo";
309  let EncoderMethod = "getLO16Encoding";
310}
311def crbitm: Operand<i8> {
312  let PrintMethod = "printcrbitm";
313  let EncoderMethod = "get_crbitm_encoding";
314}
315// Address operands
316def memri : Operand<iPTR> {
317  let PrintMethod = "printMemRegImm";
318  let MIOperandInfo = (ops i32imm:$imm, ptr_rc:$reg);
319  let EncoderMethod = "getMemRIEncoding";
320}
321def memrr : Operand<iPTR> {
322  let PrintMethod = "printMemRegReg";
323  let MIOperandInfo = (ops ptr_rc, ptr_rc);
324}
325def memrix : Operand<iPTR> {   // memri where the imm is shifted 2 bits.
326  let PrintMethod = "printMemRegImmShifted";
327  let MIOperandInfo = (ops i32imm:$imm, ptr_rc:$reg);
328  let EncoderMethod = "getMemRIXEncoding";
329}
330def tocentry : Operand<iPTR> {
331  let MIOperandInfo = (ops i32imm:$imm);
332}
333
334// PowerPC Predicate operand.  20 = (0<<5)|20 = always, CR0 is a dummy reg
335// that doesn't matter.
336def pred : PredicateOperand<OtherVT, (ops imm, CRRC),
337                                     (ops (i32 20), (i32 zero_reg))> {
338  let PrintMethod = "printPredicateOperand";
339}
340
341// Define PowerPC specific addressing mode.
342def iaddr  : ComplexPattern<iPTR, 2, "SelectAddrImm",    [], []>;
343def xaddr  : ComplexPattern<iPTR, 2, "SelectAddrIdx",    [], []>;
344def xoaddr : ComplexPattern<iPTR, 2, "SelectAddrIdxOnly",[], []>;
345def ixaddr : ComplexPattern<iPTR, 2, "SelectAddrImmShift", [], []>; // "std"
346
347/// This is just the offset part of iaddr, used for preinc.
348def iaddroff : ComplexPattern<iPTR, 1, "SelectAddrImmOffs", [], []>;
349
350//===----------------------------------------------------------------------===//
351// PowerPC Instruction Predicate Definitions.
352def FPContractions : Predicate<"!NoExcessFPPrecision">;
353def In32BitMode  : Predicate<"!PPCSubTarget.isPPC64()">;
354def In64BitMode  : Predicate<"PPCSubTarget.isPPC64()">;
355
356
357//===----------------------------------------------------------------------===//
358// PowerPC Instruction Definitions.
359
360// Pseudo-instructions:
361
362let hasCtrlDep = 1 in {
363let Defs = [R1], Uses = [R1] in {
364def ADJCALLSTACKDOWN : Pseudo<(outs), (ins u16imm:$amt), "",
365                              [(callseq_start timm:$amt)]>;
366def ADJCALLSTACKUP   : Pseudo<(outs), (ins u16imm:$amt1, u16imm:$amt2), "",
367                              [(callseq_end timm:$amt1, timm:$amt2)]>;
368}
369
370def UPDATE_VRSAVE    : Pseudo<(outs GPRC:$rD), (ins GPRC:$rS),
371                              "UPDATE_VRSAVE $rD, $rS", []>;
372}
373
374let Defs = [R1], Uses = [R1] in
375def DYNALLOC : Pseudo<(outs GPRC:$result), (ins GPRC:$negsize, memri:$fpsi), "",
376                       [(set GPRC:$result,
377                             (PPCdynalloc GPRC:$negsize, iaddr:$fpsi))]>;
378                         
379// SELECT_CC_* - Used to implement the SELECT_CC DAG operation.  Expanded after
380// instruction selection into a branch sequence.
381let usesCustomInserter = 1,    // Expanded after instruction selection.
382    PPC970_Single = 1 in {
383  def SELECT_CC_I4 : Pseudo<(outs GPRC:$dst), (ins CRRC:$cond, GPRC:$T, GPRC:$F,
384                              i32imm:$BROPC), "",
385                              []>;
386  def SELECT_CC_I8 : Pseudo<(outs G8RC:$dst), (ins CRRC:$cond, G8RC:$T, G8RC:$F,
387                              i32imm:$BROPC), "",
388                              []>;
389  def SELECT_CC_F4  : Pseudo<(outs F4RC:$dst), (ins CRRC:$cond, F4RC:$T, F4RC:$F,
390                              i32imm:$BROPC), "",
391                              []>;
392  def SELECT_CC_F8  : Pseudo<(outs F8RC:$dst), (ins CRRC:$cond, F8RC:$T, F8RC:$F,
393                              i32imm:$BROPC), "",
394                              []>;
395  def SELECT_CC_VRRC: Pseudo<(outs VRRC:$dst), (ins CRRC:$cond, VRRC:$T, VRRC:$F,
396                              i32imm:$BROPC), "",
397                              []>;
398}
399
400// SPILL_CR - Indicate that we're dumping the CR register, so we'll need to
401// scavenge a register for it.
402def SPILL_CR : Pseudo<(outs), (ins GPRC:$cond, memri:$F),
403                     "", []>;
404
405let isTerminator = 1, isBarrier = 1, PPC970_Unit = 7 in {
406  let isReturn = 1, Uses = [LR, RM] in
407    def BLR : XLForm_2_br<19, 16, 0, (outs), (ins pred:$p),
408                          "b${p:cc}lr ${p:reg}", BrB, 
409                          [(retflag)]>;
410  let isBranch = 1, isIndirectBranch = 1, Uses = [CTR] in
411    def BCTR : XLForm_2_ext<19, 528, 20, 0, 0, (outs), (ins), "bctr", BrB, []>;
412}
413
414let Defs = [LR] in
415  def MovePCtoLR : Pseudo<(outs), (ins), "", []>,
416                   PPC970_Unit_BRU;
417
418let isBranch = 1, isTerminator = 1, hasCtrlDep = 1, PPC970_Unit = 7 in {
419  let isBarrier = 1 in {
420  def B   : IForm<18, 0, 0, (outs), (ins directbrtarget:$dst),
421                  "b $dst", BrB,
422                  [(br bb:$dst)]>;
423  }
424
425  // BCC represents an arbitrary conditional branch on a predicate.
426  // FIXME: should be able to write a pattern for PPCcondbranch, but can't use
427  // a two-value operand where a dag node expects two operands. :( 
428  def BCC : BForm<16, 0, 0, (outs), (ins pred:$cond, condbrtarget:$dst),
429                  "b${cond:cc} ${cond:reg}, $dst"
430                  /*[(PPCcondbranch CRRC:$crS, imm:$opc, bb:$dst)]*/>;
431}
432
433// Darwin ABI Calls.
434let isCall = 1, PPC970_Unit = 7, 
435  // All calls clobber the non-callee saved registers...
436  Defs = [R0,R2,R3,R4,R5,R6,R7,R8,R9,R10,R11,R12,
437          F0,F1,F2,F3,F4,F5,F6,F7,F8,F9,F10,F11,F12,F13,
438          V0,V1,V2,V3,V4,V5,V6,V7,V8,V9,V10,V11,V12,V13,V14,V15,V16,V17,V18,V19,
439          LR,CTR,
440          CR0,CR1,CR5,CR6,CR7,CARRY] in {
441  // Convenient aliases for call instructions
442  let Uses = [RM] in {
443    def BL_Darwin  : IForm<18, 0, 1,
444                           (outs), (ins calltarget:$func, variable_ops), 
445                           "bl $func", BrB, []>;  // See Pat patterns below.
446    def BLA_Darwin : IForm<18, 1, 1, 
447                          (outs), (ins aaddr:$func, variable_ops),
448                          "bla $func", BrB, [(PPCcall_Darwin (i32 imm:$func))]>;
449  }
450  let Uses = [CTR, RM] in {
451    def BCTRL_Darwin : XLForm_2_ext<19, 528, 20, 0, 1, 
452                                  (outs), (ins variable_ops),
453                                  "bctrl", BrB,
454                                  [(PPCbctrl_Darwin)]>, Requires<[In32BitMode]>;
455  }
456}
457
458// SVR4 ABI Calls.
459let isCall = 1, PPC970_Unit = 7, 
460  // All calls clobber the non-callee saved registers...
461  Defs = [R0,R3,R4,R5,R6,R7,R8,R9,R10,R11,R12,
462          F0,F1,F2,F3,F4,F5,F6,F7,F8,F9,F10,F11,F12,F13,
463          V0,V1,V2,V3,V4,V5,V6,V7,V8,V9,V10,V11,V12,V13,V14,V15,V16,V17,V18,V19,
464          LR,CTR,
465          CR0,CR1,CR5,CR6,CR7,CARRY] in {
466  // Convenient aliases for call instructions
467  let Uses = [RM] in {
468    def BL_SVR4  : IForm<18, 0, 1,
469                        (outs), (ins calltarget:$func, variable_ops), 
470                        "bl $func", BrB, []>;  // See Pat patterns below.
471    def BLA_SVR4 : IForm<18, 1, 1,
472                        (outs), (ins aaddr:$func, variable_ops),
473                        "bla $func", BrB,
474                        [(PPCcall_SVR4 (i32 imm:$func))]>;
475  }
476  let Uses = [CTR, RM] in {
477    def BCTRL_SVR4 : XLForm_2_ext<19, 528, 20, 0, 1,
478                                (outs), (ins variable_ops),
479                                "bctrl", BrB,
480                                [(PPCbctrl_SVR4)]>, Requires<[In32BitMode]>;
481  }
482}
483
484
485let isCall = 1, isTerminator = 1, isReturn = 1, isBarrier = 1, Uses = [RM] in
486def TCRETURNdi :Pseudo< (outs),
487                        (ins calltarget:$dst, i32imm:$offset, variable_ops),
488                 "#TC_RETURNd $dst $offset",
489                 []>;
490
491
492let isCall = 1, isTerminator = 1, isReturn = 1, isBarrier = 1, Uses = [RM] in
493def TCRETURNai :Pseudo<(outs), (ins aaddr:$func, i32imm:$offset, variable_ops),
494                 "#TC_RETURNa $func $offset",
495                 [(PPCtc_return (i32 imm:$func), imm:$offset)]>;
496
497let isCall = 1, isTerminator = 1, isReturn = 1, isBarrier = 1, Uses = [RM] in
498def TCRETURNri : Pseudo<(outs), (ins CTRRC:$dst, i32imm:$offset, variable_ops),
499                 "#TC_RETURNr $dst $offset",
500                 []>;
501
502
503let isTerminator = 1, isBarrier = 1, PPC970_Unit = 7, isBranch = 1,
504    isIndirectBranch = 1, isCall = 1, isReturn = 1, Uses = [CTR, RM]  in
505def TAILBCTR : XLForm_2_ext<19, 528, 20, 0, 0, (outs), (ins), "bctr", BrB, []>,
506     Requires<[In32BitMode]>;
507
508
509
510let isBranch = 1, isTerminator = 1, hasCtrlDep = 1, PPC970_Unit = 7,
511    isBarrier = 1, isCall = 1, isReturn = 1, Uses = [RM] in
512def TAILB   : IForm<18, 0, 0, (outs), (ins calltarget:$dst),
513                  "b $dst", BrB,
514                  []>;
515
516
517let isBranch = 1, isTerminator = 1, hasCtrlDep = 1, PPC970_Unit = 7,
518    isBarrier = 1, isCall = 1, isReturn = 1, Uses = [RM] in
519def TAILBA   : IForm<18, 0, 0, (outs), (ins aaddr:$dst),
520                  "ba $dst", BrB,
521                  []>;
522
523
524// DCB* instructions.
525def DCBA   : DCB_Form<758, 0, (outs), (ins memrr:$dst),
526                      "dcba $dst", LdStDCBF, [(int_ppc_dcba xoaddr:$dst)]>,
527                      PPC970_DGroup_Single;
528def DCBF   : DCB_Form<86, 0, (outs), (ins memrr:$dst),
529                      "dcbf $dst", LdStDCBF, [(int_ppc_dcbf xoaddr:$dst)]>,
530                      PPC970_DGroup_Single;
531def DCBI   : DCB_Form<470, 0, (outs), (ins memrr:$dst),
532                      "dcbi $dst", LdStDCBF, [(int_ppc_dcbi xoaddr:$dst)]>,
533                      PPC970_DGroup_Single;
534def DCBST  : DCB_Form<54, 0, (outs), (ins memrr:$dst),
535                      "dcbst $dst", LdStDCBF, [(int_ppc_dcbst xoaddr:$dst)]>,
536                      PPC970_DGroup_Single;
537def DCBT   : DCB_Form<278, 0, (outs), (ins memrr:$dst),
538                      "dcbt $dst", LdStDCBF, [(int_ppc_dcbt xoaddr:$dst)]>,
539                      PPC970_DGroup_Single;
540def DCBTST : DCB_Form<246, 0, (outs), (ins memrr:$dst),
541                      "dcbtst $dst", LdStDCBF, [(int_ppc_dcbtst xoaddr:$dst)]>,
542                      PPC970_DGroup_Single;
543def DCBZ   : DCB_Form<1014, 0, (outs), (ins memrr:$dst),
544                      "dcbz $dst", LdStDCBF, [(int_ppc_dcbz xoaddr:$dst)]>,
545                      PPC970_DGroup_Single;
546def DCBZL  : DCB_Form<1014, 1, (outs), (ins memrr:$dst),
547                      "dcbzl $dst", LdStDCBF, [(int_ppc_dcbzl xoaddr:$dst)]>,
548                      PPC970_DGroup_Single;
549
550// Atomic operations
551let usesCustomInserter = 1 in {
552  let Defs = [CR0] in {
553    def ATOMIC_LOAD_ADD_I8 : Pseudo<
554      (outs GPRC:$dst), (ins memrr:$ptr, GPRC:$incr), "",
555      [(set GPRC:$dst, (atomic_load_add_8 xoaddr:$ptr, GPRC:$incr))]>;
556    def ATOMIC_LOAD_SUB_I8 : Pseudo<
557      (outs GPRC:$dst), (ins memrr:$ptr, GPRC:$incr), "",
558      [(set GPRC:$dst, (atomic_load_sub_8 xoaddr:$ptr, GPRC:$incr))]>;
559    def ATOMIC_LOAD_AND_I8 : Pseudo<
560      (outs GPRC:$dst), (ins memrr:$ptr, GPRC:$incr), "",
561      [(set GPRC:$dst, (atomic_load_and_8 xoaddr:$ptr, GPRC:$incr))]>;
562    def ATOMIC_LOAD_OR_I8 : Pseudo<
563      (outs GPRC:$dst), (ins memrr:$ptr, GPRC:$incr), "",
564      [(set GPRC:$dst, (atomic_load_or_8 xoaddr:$ptr, GPRC:$incr))]>;
565    def ATOMIC_LOAD_XOR_I8 : Pseudo<
566      (outs GPRC:$dst), (ins memrr:$ptr, GPRC:$incr), "",
567      [(set GPRC:$dst, (atomic_load_xor_8 xoaddr:$ptr, GPRC:$incr))]>;
568    def ATOMIC_LOAD_NAND_I8 : Pseudo<
569      (outs GPRC:$dst), (ins memrr:$ptr, GPRC:$incr), "",
570      [(set GPRC:$dst, (atomic_load_nand_8 xoaddr:$ptr, GPRC:$incr))]>;
571    def ATOMIC_LOAD_ADD_I16 : Pseudo<
572      (outs GPRC:$dst), (ins memrr:$ptr, GPRC:$incr), "",
573      [(set GPRC:$dst, (atomic_load_add_16 xoaddr:$ptr, GPRC:$incr))]>;
574    def ATOMIC_LOAD_SUB_I16 : Pseudo<
575      (outs GPRC:$dst), (ins memrr:$ptr, GPRC:$incr), "",
576      [(set GPRC:$dst, (atomic_load_sub_16 xoaddr:$ptr, GPRC:$incr))]>;
577    def ATOMIC_LOAD_AND_I16 : Pseudo<
578      (outs GPRC:$dst), (ins memrr:$ptr, GPRC:$incr), "",
579      [(set GPRC:$dst, (atomic_load_and_16 xoaddr:$ptr, GPRC:$incr))]>;
580    def ATOMIC_LOAD_OR_I16 : Pseudo<
581      (outs GPRC:$dst), (ins memrr:$ptr, GPRC:$incr), "",
582      [(set GPRC:$dst, (atomic_load_or_16 xoaddr:$ptr, GPRC:$incr))]>;
583    def ATOMIC_LOAD_XOR_I16 : Pseudo<
584      (outs GPRC:$dst), (ins memrr:$ptr, GPRC:$incr), "",
585      [(set GPRC:$dst, (atomic_load_xor_16 xoaddr:$ptr, GPRC:$incr))]>;
586    def ATOMIC_LOAD_NAND_I16 : Pseudo<
587      (outs GPRC:$dst), (ins memrr:$ptr, GPRC:$incr), "",
588      [(set GPRC:$dst, (atomic_load_nand_16 xoaddr:$ptr, GPRC:$incr))]>;
589    def ATOMIC_LOAD_ADD_I32 : Pseudo<
590      (outs GPRC:$dst), (ins memrr:$ptr, GPRC:$incr), "",
591      [(set GPRC:$dst, (atomic_load_add_32 xoaddr:$ptr, GPRC:$incr))]>;
592    def ATOMIC_LOAD_SUB_I32 : Pseudo<
593      (outs GPRC:$dst), (ins memrr:$ptr, GPRC:$incr), "",
594      [(set GPRC:$dst, (atomic_load_sub_32 xoaddr:$ptr, GPRC:$incr))]>;
595    def ATOMIC_LOAD_AND_I32 : Pseudo<
596      (outs GPRC:$dst), (ins memrr:$ptr, GPRC:$incr), "",
597      [(set GPRC:$dst, (atomic_load_and_32 xoaddr:$ptr, GPRC:$incr))]>;
598    def ATOMIC_LOAD_OR_I32 : Pseudo<
599      (outs GPRC:$dst), (ins memrr:$ptr, GPRC:$incr), "",
600      [(set GPRC:$dst, (atomic_load_or_32 xoaddr:$ptr, GPRC:$incr))]>;
601    def ATOMIC_LOAD_XOR_I32 : Pseudo<
602      (outs GPRC:$dst), (ins memrr:$ptr, GPRC:$incr), "",
603      [(set GPRC:$dst, (atomic_load_xor_32 xoaddr:$ptr, GPRC:$incr))]>;
604    def ATOMIC_LOAD_NAND_I32 : Pseudo<
605      (outs GPRC:$dst), (ins memrr:$ptr, GPRC:$incr), "",
606      [(set GPRC:$dst, (atomic_load_nand_32 xoaddr:$ptr, GPRC:$incr))]>;
607
608    def ATOMIC_CMP_SWAP_I8 : Pseudo<
609      (outs GPRC:$dst), (ins memrr:$ptr, GPRC:$old, GPRC:$new), "",
610      [(set GPRC:$dst, 
611                    (atomic_cmp_swap_8 xoaddr:$ptr, GPRC:$old, GPRC:$new))]>;
612    def ATOMIC_CMP_SWAP_I16 : Pseudo<
613      (outs GPRC:$dst), (ins memrr:$ptr, GPRC:$old, GPRC:$new), "",
614      [(set GPRC:$dst, 
615                    (atomic_cmp_swap_16 xoaddr:$ptr, GPRC:$old, GPRC:$new))]>;
616    def ATOMIC_CMP_SWAP_I32 : Pseudo<
617      (outs GPRC:$dst), (ins memrr:$ptr, GPRC:$old, GPRC:$new), "",
618      [(set GPRC:$dst, 
619                    (atomic_cmp_swap_32 xoaddr:$ptr, GPRC:$old, GPRC:$new))]>;
620
621    def ATOMIC_SWAP_I8 : Pseudo<
622      (outs GPRC:$dst), (ins memrr:$ptr, GPRC:$new), "",
623      [(set GPRC:$dst, (atomic_swap_8 xoaddr:$ptr, GPRC:$new))]>;
624    def ATOMIC_SWAP_I16 : Pseudo<
625      (outs GPRC:$dst), (ins memrr:$ptr, GPRC:$new), "",
626      [(set GPRC:$dst, (atomic_swap_16 xoaddr:$ptr, GPRC:$new))]>;
627    def ATOMIC_SWAP_I32 : Pseudo<
628      (outs GPRC:$dst), (ins memrr:$ptr, GPRC:$new), "",
629      [(set GPRC:$dst, (atomic_swap_32 xoaddr:$ptr, GPRC:$new))]>;
630  }
631}
632
633// Instructions to support atomic operations
634def LWARX : XForm_1<31,  20, (outs GPRC:$rD), (ins memrr:$src),
635                   "lwarx $rD, $src", LdStLWARX,
636                   [(set GPRC:$rD, (PPClarx xoaddr:$src))]>;
637
638let Defs = [CR0] in
639def STWCX : XForm_1<31, 150, (outs), (ins GPRC:$rS, memrr:$dst),
640                   "stwcx. $rS, $dst", LdStSTWCX,
641                   [(PPCstcx GPRC:$rS, xoaddr:$dst)]>,
642                   isDOT;
643
644let isTerminator = 1, isBarrier = 1, hasCtrlDep = 1 in
645def TRAP  : XForm_24<31, 4, (outs), (ins), "trap", LdStGeneral, [(trap)]>;
646
647//===----------------------------------------------------------------------===//
648// PPC32 Load Instructions.
649//
650
651// Unindexed (r+i) Loads. 
652let canFoldAsLoad = 1, PPC970_Unit = 2 in {
653def LBZ : DForm_1<34, (outs GPRC:$rD), (ins memri:$src),
654                  "lbz $rD, $src", LdStGeneral,
655                  [(set GPRC:$rD, (zextloadi8 iaddr:$src))]>;
656def LHA : DForm_1<42, (outs GPRC:$rD), (ins memri:$src),
657                  "lha $rD, $src", LdStLHA,
658                  [(set GPRC:$rD, (sextloadi16 iaddr:$src))]>,
659                  PPC970_DGroup_Cracked;
660def LHZ : DForm_1<40, (outs GPRC:$rD), (ins memri:$src),
661                  "lhz $rD, $src", LdStGeneral,
662                  [(set GPRC:$rD, (zextloadi16 iaddr:$src))]>;
663def LWZ : DForm_1<32, (outs GPRC:$rD), (ins memri:$src),
664                  "lwz $rD, $src", LdStGeneral,
665                  [(set GPRC:$rD, (load iaddr:$src))]>;
666
667def LFS : DForm_1<48, (outs F4RC:$rD), (ins memri:$src),
668                  "lfs $rD, $src", LdStLFDU,
669                  [(set F4RC:$rD, (load iaddr:$src))]>;
670def LFD : DForm_1<50, (outs F8RC:$rD), (ins memri:$src),
671                  "lfd $rD, $src", LdStLFD,
672                  [(set F8RC:$rD, (load iaddr:$src))]>;
673
674
675// Unindexed (r+i) Loads with Update (preinc).
676let mayLoad = 1 in {
677def LBZU : DForm_1<35, (outs GPRC:$rD, ptr_rc:$ea_result), (ins memri:$addr),
678                   "lbzu $rD, $addr", LdStGeneral,
679                   []>, RegConstraint<"$addr.reg = $ea_result">,
680                   NoEncode<"$ea_result">;
681
682def LHAU : DForm_1<43, (outs GPRC:$rD, ptr_rc:$ea_result), (ins memri:$addr),
683                   "lhau $rD, $addr", LdStGeneral,
684                   []>, RegConstraint<"$addr.reg = $ea_result">,
685                   NoEncode<"$ea_result">;
686
687def LHZU : DForm_1<41, (outs GPRC:$rD, ptr_rc:$ea_result), (ins memri:$addr),
688                   "lhzu $rD, $addr", LdStGeneral,
689                   []>, RegConstraint<"$addr.reg = $ea_result">,
690                   NoEncode<"$ea_result">;
691
692def LWZU : DForm_1<33, (outs GPRC:$rD, ptr_rc:$ea_result), (ins memri:$addr),
693                   "lwzu $rD, $addr", LdStGeneral,
694                   []>, RegConstraint<"$addr.reg = $ea_result">,
695                   NoEncode<"$ea_result">;
696
697def LFSU : DForm_1<49, (outs F4RC:$rD, ptr_rc:$ea_result), (ins memri:$addr),
698                  "lfs $rD, $addr", LdStLFDU,
699                  []>, RegConstraint<"$addr.reg = $ea_result">,
700                   NoEncode<"$ea_result">;
701
702def LFDU : DForm_1<51, (outs F8RC:$rD, ptr_rc:$ea_result), (ins memri:$addr),
703                  "lfd $rD, $addr", LdStLFD,
704                  []>, RegConstraint<"$addr.reg = $ea_result">,
705                   NoEncode<"$ea_result">;
706}
707}
708
709// Indexed (r+r) Loads.
710//
711let canFoldAsLoad = 1, PPC970_Unit = 2 in {
712def LBZX : XForm_1<31,  87, (outs GPRC:$rD), (ins memrr:$src),
713                   "lbzx $rD, $src", LdStGeneral,
714                   [(set GPRC:$rD, (zextloadi8 xaddr:$src))]>;
715def LHAX : XForm_1<31, 343, (outs GPRC:$rD), (ins memrr:$src),
716                   "lhax $rD, $src", LdStLHA,
717                   [(set GPRC:$rD, (sextloadi16 xaddr:$src))]>,
718                   PPC970_DGroup_Cracked;
719def LHZX : XForm_1<31, 279, (outs GPRC:$rD), (ins memrr:$src),
720                   "lhzx $rD, $src", LdStGeneral,
721                   [(set GPRC:$rD, (zextloadi16 xaddr:$src))]>;
722def LWZX : XForm_1<31,  23, (outs GPRC:$rD), (ins memrr:$src),
723                   "lwzx $rD, $src", LdStGeneral,
724                   [(set GPRC:$rD, (load xaddr:$src))]>;
725                   
726                   
727def LHBRX : XForm_1<31, 790, (outs GPRC:$rD), (ins memrr:$src),
728                   "lhbrx $rD, $src", LdStGeneral,
729                   [(set GPRC:$rD, (PPClbrx xoaddr:$src, i16))]>;
730def LWBRX : XForm_1<31,  534, (outs GPRC:$rD), (ins memrr:$src),
731                   "lwbrx $rD, $src", LdStGeneral,
732                   [(set GPRC:$rD, (PPClbrx xoaddr:$src, i32))]>;
733
734def LFSX   : XForm_25<31, 535, (outs F4RC:$frD), (ins memrr:$src),
735                      "lfsx $frD, $src", LdStLFDU,
736                      [(set F4RC:$frD, (load xaddr:$src))]>;
737def LFDX   : XForm_25<31, 599, (outs F8RC:$frD), (ins memrr:$src),
738                      "lfdx $frD, $src", LdStLFDU,
739                      [(set F8RC:$frD, (load xaddr:$src))]>;
740}
741
742//===----------------------------------------------------------------------===//
743// PPC32 Store Instructions.
744//
745
746// Unindexed (r+i) Stores.
747let PPC970_Unit = 2 in {
748def STB  : DForm_1<38, (outs), (ins GPRC:$rS, memri:$src),
749                   "stb $rS, $src", LdStGeneral,
750                   [(truncstorei8 GPRC:$rS, iaddr:$src)]>;
751def STH  : DForm_1<44, (outs), (ins GPRC:$rS, memri:$src),
752                   "sth $rS, $src", LdStGeneral,
753                   [(truncstorei16 GPRC:$rS, iaddr:$src)]>;
754def STW  : DForm_1<36, (outs), (ins GPRC:$rS, memri:$src),
755                   "stw $rS, $src", LdStGeneral,
756                   [(store GPRC:$rS, iaddr:$src)]>;
757def STFS : DForm_1<52, (outs), (ins F4RC:$rS, memri:$dst),
758                   "stfs $rS, $dst", LdStUX,
759                   [(store F4RC:$rS, iaddr:$dst)]>;
760def STFD : DForm_1<54, (outs), (ins F8RC:$rS, memri:$dst),
761                   "stfd $rS, $dst", LdStUX,
762                   [(store F8RC:$rS, iaddr:$dst)]>;
763}
764
765// Unindexed (r+i) Stores with Update (preinc).
766let PPC970_Unit = 2 in {
767def STBU  : DForm_1a<39, (outs ptr_rc:$ea_res), (ins GPRC:$rS,
768                             symbolLo:$ptroff, ptr_rc:$ptrreg),
769                    "stbu $rS, $ptroff($ptrreg)", LdStGeneral,
770                    [(set ptr_rc:$ea_res,
771                          (pre_truncsti8 GPRC:$rS, ptr_rc:$ptrreg, 
772                                         iaddroff:$ptroff))]>,
773                    RegConstraint<"$ptrreg = $ea_res">, NoEncode<"$ea_res">;
774def STHU  : DForm_1a<45, (outs ptr_rc:$ea_res), (ins GPRC:$rS,
775                             symbolLo:$ptroff, ptr_rc:$ptrreg),
776                    "sthu $rS, $ptroff($ptrreg)", LdStGeneral,
777                    [(set ptr_rc:$ea_res,
778                        (pre_truncsti16 GPRC:$rS, ptr_rc:$ptrreg, 
779                                        iaddroff:$ptroff))]>,
780                    RegConstraint<"$ptrreg = $ea_res">, NoEncode<"$ea_res">;
781def STWU  : DForm_1a<37, (outs ptr_rc:$ea_res), (ins GPRC:$rS,
782                             symbolLo:$ptroff, ptr_rc:$ptrreg),
783                    "stwu $rS, $ptroff($ptrreg)", LdStGeneral,
784                    [(set ptr_rc:$ea_res, (pre_store GPRC:$rS, ptr_rc:$ptrreg, 
785                                                     iaddroff:$ptroff))]>,
786                    RegConstraint<"$ptrreg = $ea_res">, NoEncode<"$ea_res">;
787def STFSU : DForm_1a<37, (outs ptr_rc:$ea_res), (ins F4RC:$rS,
788                             symbolLo:$ptroff, ptr_rc:$ptrreg),
789                    "stfsu $rS, $ptroff($ptrreg)", LdStGeneral,
790                    [(set ptr_rc:$ea_res, (pre_store F4RC:$rS,  ptr_rc:$ptrreg, 
791                                          iaddroff:$ptroff))]>,
792                    RegConstraint<"$ptrreg = $ea_res">, NoEncode<"$ea_res">;
793def STFDU : DForm_1a<37, (outs ptr_rc:$ea_res), (ins F8RC:$rS,
794                             symbolLo:$ptroff, ptr_rc:$ptrreg),
795                    "stfdu $rS, $ptroff($ptrreg)", LdStGeneral,
796                    [(set ptr_rc:$ea_res, (pre_store F8RC:$rS, ptr_rc:$ptrreg, 
797                                          iaddroff:$ptroff))]>,
798                    RegConstraint<"$ptrreg = $ea_res">, NoEncode<"$ea_res">;
799}
800
801
802// Indexed (r+r) Stores.
803//
804let PPC970_Unit = 2 in {
805def STBX  : XForm_8<31, 215, (outs), (ins GPRC:$rS, memrr:$dst),
806                   "stbx $rS, $dst", LdStGeneral,
807                   [(truncstorei8 GPRC:$rS, xaddr:$dst)]>, 
808                   PPC970_DGroup_Cracked;
809def STHX  : XForm_8<31, 407, (outs), (ins GPRC:$rS, memrr:$dst),
810                   "sthx $rS, $dst", LdStGeneral,
811                   [(truncstorei16 GPRC:$rS, xaddr:$dst)]>, 
812                   PPC970_DGroup_Cracked;
813def STWX  : XForm_8<31, 151, (outs), (ins GPRC:$rS, memrr:$dst),
814                   "stwx $rS, $dst", LdStGeneral,
815                   [(store GPRC:$rS, xaddr:$dst)]>,
816                   PPC970_DGroup_Cracked;
817                   
818let mayStore = 1 in {
819def STWUX : XForm_8<31, 183, (outs), (ins GPRC:$rS, GPRC:$rA, GPRC:$rB),
820                   "stwux $rS, $rA, $rB", LdStGeneral,
821                   []>;
822}
823def STHBRX: XForm_8<31, 918, (outs), (ins GPRC:$rS, memrr:$dst),
824                   "sthbrx $rS, $dst", LdStGeneral,
825                   [(PPCstbrx GPRC:$rS, xoaddr:$dst, i16)]>, 
826                   PPC970_DGroup_Cracked;
827def STWBRX: XForm_8<31, 662, (outs), (ins GPRC:$rS, memrr:$dst),
828                   "stwbrx $rS, $dst", LdStGeneral,
829                   [(PPCstbrx GPRC:$rS, xoaddr:$dst, i32)]>,
830                   PPC970_DGroup_Cracked;
831
832def STFIWX: XForm_28<31, 983, (outs), (ins F8RC:$frS, memrr:$dst),
833                     "stfiwx $frS, $dst", LdStUX,
834                     [(PPCstfiwx F8RC:$frS, xoaddr:$dst)]>;
835                     
836def STFSX : XForm_28<31, 663, (outs), (ins F4RC:$frS, memrr:$dst),
837                     "stfsx $frS, $dst", LdStUX,
838                     [(store F4RC:$frS, xaddr:$dst)]>;
839def STFDX : XForm_28<31, 727, (outs), (ins F8RC:$frS, memrr:$dst),
840                     "stfdx $frS, $dst", LdStUX,
841                     [(store F8RC:$frS, xaddr:$dst)]>;
842}
843
844def SYNC : XForm_24_sync<31, 598, (outs), (ins),
845                        "sync", LdStSync,
846                        [(int_ppc_sync)]>;
847
848//===----------------------------------------------------------------------===//
849// PPC32 Arithmetic Instructions.
850//
851
852let PPC970_Unit = 1 in {  // FXU Operations.
853def ADDI   : DForm_2<14, (outs GPRC:$rD), (ins GPRC:$rA, s16imm:$imm),
854                     "addi $rD, $rA, $imm", IntGeneral,
855                     [(set GPRC:$rD, (add GPRC:$rA, immSExt16:$imm))]>;
856let Defs = [CARRY] in {
857def ADDIC  : DForm_2<12, (outs GPRC:$rD), (ins GPRC:$rA, s16imm:$imm),
858                     "addic $rD, $rA, $imm", IntGeneral,
859                     [(set GPRC:$rD, (addc GPRC:$rA, immSExt16:$imm))]>,
860                     PPC970_DGroup_Cracked;
861def ADDICo : DForm_2<13, (outs GPRC:$rD), (ins GPRC:$rA, s16imm:$imm),
862                     "addic. $rD, $rA, $imm", IntGeneral,
863                     []>;
864}
865def ADDIS  : DForm_2<15, (outs GPRC:$rD), (ins GPRC:$rA, symbolHi:$imm),
866                     "addis $rD, $rA, $imm", IntGeneral,
867                     [(set GPRC:$rD, (add GPRC:$rA, imm16ShiftedSExt:$imm))]>;
868def LA     : DForm_2<14, (outs GPRC:$rD), (ins GPRC:$rA, symbolLo:$sym),
869                     "la $rD, $sym($rA)", IntGeneral,
870                     [(set GPRC:$rD, (add GPRC:$rA,
871                                          (PPClo tglobaladdr:$sym, 0)))]>;
872def MULLI  : DForm_2< 7, (outs GPRC:$rD), (ins GPRC:$rA, s16imm:$imm),
873                     "mulli $rD, $rA, $imm", IntMulLI,
874                     [(set GPRC:$rD, (mul GPRC:$rA, immSExt16:$imm))]>;
875let Defs = [CARRY] in {
876def SUBFIC : DForm_2< 8, (outs GPRC:$rD), (ins GPRC:$rA, s16imm:$imm),
877                     "subfic $rD, $rA, $imm", IntGeneral,
878                     [(set GPRC:$rD, (subc immSExt16:$imm, GPRC:$rA))]>;
879}
880
881let isReMaterializable = 1 in {
882  def LI  : DForm_2_r0<14, (outs GPRC:$rD), (ins symbolLo:$imm),
883                       "li $rD, $imm", IntGeneral,
884                       [(set GPRC:$rD, immSExt16:$imm)]>;
885  def LIS : DForm_2_r0<15, (outs GPRC:$rD), (ins symbolHi:$imm),
886                       "lis $rD, $imm", IntGeneral,
887                       [(set GPRC:$rD, imm16ShiftedSExt:$imm)]>;
888}
889}
890
891let PPC970_Unit = 1 in {  // FXU Operations.
892def ANDIo : DForm_4<28, (outs GPRC:$dst), (ins GPRC:$src1, u16imm:$src2),
893                    "andi. $dst, $src1, $src2", IntGeneral,
894                    [(set GPRC:$dst, (and GPRC:$src1, immZExt16:$src2))]>,
895                    isDOT;
896def ANDISo : DForm_4<29, (outs GPRC:$dst), (ins GPRC:$src1, u16imm:$src2),
897                    "andis. $dst, $src1, $src2", IntGeneral,
898                    [(set GPRC:$dst, (and GPRC:$src1,imm16ShiftedZExt:$src2))]>,
899                    isDOT;
900def ORI   : DForm_4<24, (outs GPRC:$dst), (ins GPRC:$src1, u16imm:$src2),
901                    "ori $dst, $src1, $src2", IntGeneral,
902                    [(set GPRC:$dst, (or GPRC:$src1, immZExt16:$src2))]>;
903def ORIS  : DForm_4<25, (outs GPRC:$dst), (ins GPRC:$src1, u16imm:$src2),
904                    "oris $dst, $src1, $src2", IntGeneral,
905                    [(set GPRC:$dst, (or GPRC:$src1, imm16ShiftedZExt:$src2))]>;
906def XORI  : DForm_4<26, (outs GPRC:$dst), (ins GPRC:$src1, u16imm:$src2),
907                    "xori $dst, $src1, $src2", IntGeneral,
908                    [(set GPRC:$dst, (xor GPRC:$src1, immZExt16:$src2))]>;
909def XORIS : DForm_4<27, (outs GPRC:$dst), (ins GPRC:$src1, u16imm:$src2),
910                    "xoris $dst, $src1, $src2", IntGeneral,
911                    [(set GPRC:$dst, (xor GPRC:$src1,imm16ShiftedZExt:$src2))]>;
912def NOP   : DForm_4_zero<24, (outs), (ins), "nop", IntGeneral,
913                         []>;
914def CMPWI : DForm_5_ext<11, (outs CRRC:$crD), (ins GPRC:$rA, s16imm:$imm),
915                        "cmpwi $crD, $rA, $imm", IntCompare>;
916def CMPLWI : DForm_6_ext<10, (outs CRRC:$dst), (ins GPRC:$src1, u16imm:$src2),
917                         "cmplwi $dst, $src1, $src2", IntCompare>;
918}
919
920
921let PPC970_Unit = 1 in {  // FXU Operations.
922def NAND : XForm_6<31, 476, (outs GPRC:$rA), (ins GPRC:$rS, GPRC:$rB),
923                   "nand $rA, $rS, $rB", IntGeneral,
924                   [(set GPRC:$rA, (not (and GPRC:$rS, GPRC:$rB)))]>;
925def AND  : XForm_6<31,  28, (outs GPRC:$rA), (ins GPRC:$rS, GPRC:$rB),
926                   "and $rA, $rS, $rB", IntGeneral,
927                   [(set GPRC:$rA, (and GPRC:$rS, GPRC:$rB))]>;
928def ANDC : XForm_6<31,  60, (outs GPRC:$rA), (ins GPRC:$rS, GPRC:$rB),
929                   "andc $rA, $rS, $rB", IntGeneral,
930                   [(set GPRC:$rA, (and GPRC:$rS, (not GPRC:$rB)))]>;
931def OR   : XForm_6<31, 444, (outs GPRC:$rA), (ins GPRC:$rS, GPRC:$rB),
932                   "or $rA, $rS, $rB", IntGeneral,
933                   [(set GPRC:$rA, (or GPRC:$rS, GPRC:$rB))]>;
934def NOR  : XForm_6<31, 124, (outs GPRC:$rA), (ins GPRC:$rS, GPRC:$rB),
935                   "nor $rA, $rS, $rB", IntGeneral,
936                   [(set GPRC:$rA, (not (or GPRC:$rS, GPRC:$rB)))]>;
937def ORC  : XForm_6<31, 412, (outs GPRC:$rA), (ins GPRC:$rS, GPRC:$rB),
938                   "orc $rA, $rS, $rB", IntGeneral,
939                   [(set GPRC:$rA, (or GPRC:$rS, (not GPRC:$rB)))]>;
940def EQV  : XForm_6<31, 284, (outs GPRC:$rA), (ins GPRC:$rS, GPRC:$rB),
941                   "eqv $rA, $rS, $rB", IntGeneral,
942                   [(set GPRC:$rA, (not (xor GPRC:$rS, GPRC:$rB)))]>;
943def XOR  : XForm_6<31, 316, (outs GPRC:$rA), (ins GPRC:$rS, GPRC:$rB),
944                   "xor $rA, $rS, $rB", IntGeneral,
945                   [(set GPRC:$rA, (xor GPRC:$rS, GPRC:$rB))]>;
946def SLW  : XForm_6<31,  24, (outs GPRC:$rA), (ins GPRC:$rS, GPRC:$rB),
947                   "slw $rA, $rS, $rB", IntGeneral,
948                   [(set GPRC:$rA, (PPCshl GPRC:$rS, GPRC:$rB))]>;
949def SRW  : XForm_6<31, 536, (outs GPRC:$rA), (ins GPRC:$rS, GPRC:$rB),
950                   "srw $rA, $rS, $rB", IntGeneral,
951                   [(set GPRC:$rA, (PPCsrl GPRC:$rS, GPRC:$rB))]>;
952let Defs = [CARRY] in {
953def SRAW : XForm_6<31, 792, (outs GPRC:$rA), (ins GPRC:$rS, GPRC:$rB),
954                   "sraw $rA, $rS, $rB", IntShift,
955                   [(set GPRC:$rA, (PPCsra GPRC:$rS, GPRC:$rB))]>;
956}
957}
958
959let PPC970_Unit = 1 in {  // FXU Operations.
960let Defs = [CARRY] in {
961def SRAWI : XForm_10<31, 824, (outs GPRC:$rA), (ins GPRC:$rS, u5imm:$SH), 
962                     "srawi $rA, $rS, $SH", IntShift,
963                     [(set GPRC:$rA, (sra GPRC:$rS, (i32 imm:$SH)))]>;
964}
965def CNTLZW : XForm_11<31,  26, (outs GPRC:$rA), (ins GPRC:$rS),
966                      "cntlzw $rA, $rS", IntGeneral,
967                      [(set GPRC:$rA, (ctlz GPRC:$rS))]>;
968def EXTSB  : XForm_11<31, 954, (outs GPRC:$rA), (ins GPRC:$rS),
969                      "extsb $rA, $rS", IntGeneral,
970                      [(set GPRC:$rA, (sext_inreg GPRC:$rS, i8))]>;
971def EXTSH  : XForm_11<31, 922, (outs GPRC:$rA), (ins GPRC:$rS),
972                      "extsh $rA, $rS", IntGeneral,
973                      [(set GPRC:$rA, (sext_inreg GPRC:$rS, i16))]>;
974
975def CMPW   : XForm_16_ext<31, 0, (outs CRRC:$crD), (ins GPRC:$rA, GPRC:$rB),
976                          "cmpw $crD, $rA, $rB", IntCompare>;
977def CMPLW  : XForm_16_ext<31, 32, (outs CRRC:$crD), (ins GPRC:$rA, GPRC:$rB),
978                          "cmplw $crD, $rA, $rB", IntCompare>;
979}
980let PPC970_Unit = 3 in {  // FPU Operations.
981//def FCMPO  : XForm_17<63, 32, (outs CRRC:$crD), (ins FPRC:$fA, FPRC:$fB),
982//                      "fcmpo $crD, $fA, $fB", FPCompare>;
983def FCMPUS : XForm_17<63, 0, (outs CRRC:$crD), (ins F4RC:$fA, F4RC:$fB),
984                      "fcmpu $crD, $fA, $fB", FPCompare>;
985def FCMPUD : XForm_17<63, 0, (outs CRRC:$crD), (ins F8RC:$fA, F8RC:$fB),
986                      "fcmpu $crD, $fA, $fB", FPCompare>;
987
988let Uses = [RM] in {
989  def FCTIWZ : XForm_26<63, 15, (outs F8RC:$frD), (ins F8RC:$frB),
990                        "fctiwz $frD, $frB", FPGeneral,
991                        [(set F8RC:$frD, (PPCfctiwz F8RC:$frB))]>;
992  def FRSP   : XForm_26<63, 12, (outs F4RC:$frD), (ins F8RC:$frB),
993                        "frsp $frD, $frB", FPGeneral,
994                        [(set F4RC:$frD, (fround F8RC:$frB))]>;
995  def FSQRT  : XForm_26<63, 22, (outs F8RC:$frD), (ins F8RC:$frB),
996                        "fsqrt $frD, $frB", FPSqrt,
997                        [(set F8RC:$frD, (fsqrt F8RC:$frB))]>;
998  def FSQRTS : XForm_26<59, 22, (outs F4RC:$frD), (ins F4RC:$frB),
999                        "fsqrts $frD, $frB", FPSqrt,
1000                        [(set F4RC:$frD, (fsqrt F4RC:$frB))]>;
1001  }
1002}
1003
1004/// Note that FMR is defined as pseudo-ops on the PPC970 because they are
1005/// often coalesced away and we don't want the dispatch group builder to think
1006/// that they will fill slots (which could cause the load of a LSU reject to
1007/// sneak into a d-group with a store).
1008def FMR   : XForm_26<63, 72, (outs F4RC:$frD), (ins F4RC:$frB),
1009                     "fmr $frD, $frB", FPGeneral,
1010                     []>,  // (set F4RC:$frD, F4RC:$frB)
1011                     PPC970_Unit_Pseudo;
1012
1013let PPC970_Unit = 3 in {  // FPU Operations.
1014// These are artificially split into two different forms, for 4/8 byte FP.
1015def FABSS  : XForm_26<63, 264, (outs F4RC:$frD), (ins F4RC:$frB),
1016                      "fabs $frD, $frB", FPGeneral,
1017                      [(set F4RC:$frD, (fabs F4RC:$frB))]>;
1018def FABSD  : XForm_26<63, 264, (outs F8RC:$frD), (ins F8RC:$frB),
1019                      "fabs $frD, $frB", FPGeneral,
1020                      [(set F8RC:$frD, (fabs F8RC:$frB))]>;
1021def FNABSS : XForm_26<63, 136, (outs F4RC:$frD), (ins F4RC:$frB),
1022                      "fnabs $frD, $frB", FPGeneral,
1023                      [(set F4RC:$frD, (fneg (fabs F4RC:$frB)))]>;
1024def FNABSD : XForm_26<63, 136, (outs F8RC:$frD), (ins F8RC:$frB),
1025                      "fnabs $frD, $frB", FPGeneral,
1026                      [(set F8RC:$frD, (fneg (fabs F8RC:$frB)))]>;
1027def FNEGS  : XForm_26<63, 40, (outs F4RC:$frD), (ins F4RC:$frB),
1028                      "fneg $frD, $frB", FPGeneral,
1029                      [(set F4RC:$frD, (fneg F4RC:$frB))]>;
1030def FNEGD  : XForm_26<63, 40, (outs F8RC:$frD), (ins F8RC:$frB),
1031                      "fneg $frD, $frB", FPGeneral,
1032                      [(set F8RC:$frD, (fneg F8RC:$frB))]>;
1033}
1034                      
1035
1036// XL-Form instructions.  condition register logical ops.
1037//
1038def MCRF   : XLForm_3<19, 0, (outs CRRC:$BF), (ins CRRC:$BFA),
1039                      "mcrf $BF, $BFA", BrMCR>,
1040             PPC970_DGroup_First, PPC970_Unit_CRU;
1041
1042def CREQV  : XLForm_1<19, 289, (outs CRBITRC:$CRD),
1043                               (ins CRBITRC:$CRA, CRBITRC:$CRB),
1044                      "creqv $CRD, $CRA, $CRB", BrCR,
1045                      []>;
1046
1047def CROR  : XLForm_1<19, 449, (outs CRBITRC:$CRD),
1048                               (ins CRBITRC:$CRA, CRBITRC:$CRB),
1049                      "cror $CRD, $CRA, $CRB", BrCR,
1050                      []>;
1051
1052def CRSET  : XLForm_1_ext<19, 289, (outs CRBITRC:$dst), (ins),
1053              "creqv $dst, $dst, $dst", BrCR,
1054              []>;
1055
1056// XFX-Form instructions.  Instructions that deal with SPRs.
1057//
1058let Uses = [CTR] in {
1059def MFCTR : XFXForm_1_ext<31, 339, 9, (outs GPRC:$rT), (ins),
1060                          "mfctr $rT", SprMFSPR>,
1061            PPC970_DGroup_First, PPC970_Unit_FXU;
1062}
1063let Defs = [CTR], Pattern = [(PPCmtctr GPRC:$rS)] in {
1064def MTCTR : XFXForm_7_ext<31, 467, 9, (outs), (ins GPRC:$rS),
1065                          "mtctr $rS", SprMTSPR>,
1066            PPC970_DGroup_First, PPC970_Unit_FXU;
1067}
1068
1069let Defs = [LR] in {
1070def MTLR  : XFXForm_7_ext<31, 467, 8, (outs), (ins GPRC:$rS),
1071                          "mtlr $rS", SprMTSPR>,
1072            PPC970_DGroup_First, PPC970_Unit_FXU;
1073}
1074let Uses = [LR] in {
1075def MFLR  : XFXForm_1_ext<31, 339, 8, (outs GPRC:$rT), (ins),
1076                          "mflr $rT", SprMFSPR>,
1077            PPC970_DGroup_First, PPC970_Unit_FXU;
1078}
1079
1080// Move to/from VRSAVE: despite being a SPR, the VRSAVE register is renamed like
1081// a GPR on the PPC970.  As such, copies in and out have the same performance
1082// characteristics as an OR instruction.
1083def MTVRSAVE : XFXForm_7_ext<31, 467, 256, (outs), (ins GPRC:$rS),
1084                             "mtspr 256, $rS", IntGeneral>,
1085               PPC970_DGroup_Single, PPC970_Unit_FXU;
1086def MFVRSAVE : XFXForm_1_ext<31, 339, 256, (outs GPRC:$rT), (ins),
1087                             "mfspr $rT, 256", IntGeneral>,
1088               PPC970_DGroup_First, PPC970_Unit_FXU;
1089
1090def MTCRF : XFXForm_5<31, 144, (outs), (ins crbitm:$FXM, GPRC:$rS),
1091                      "mtcrf $FXM, $rS", BrMCRX>,
1092            PPC970_MicroCode, PPC970_Unit_CRU;
1093
1094// This is a pseudo for MFCR, which implicitly uses all 8 of its subregisters;
1095// declaring that here gives the local register allocator problems with this:
1096//  vreg = MCRF  CR0
1097//  MFCR  <kill of whatever preg got assigned to vreg>
1098// while not declaring it breaks DeadMachineInstructionElimination.
1099// As it turns out, in all cases where we currently use this,
1100// we're only interested in one subregister of it.  Represent this in the
1101// instruction to keep the register allocator from becoming confused.
1102//
1103// FIXME: Make this a real Pseudo instruction when the JIT switches to MC.
1104def MFCRpseud: XFXForm_3<31, 19, (outs GPRC:$rT), (ins crbitm:$FXM),
1105                       "", SprMFCR>,
1106            PPC970_MicroCode, PPC970_Unit_CRU;
1107            
1108def MFCR : XFXForm_3<31, 19, (outs GPRC:$rT), (ins),
1109                     "mfcr $rT", SprMFCR>,
1110                     PPC970_MicroCode, PPC970_Unit_CRU;
1111
1112def MFOCRF: XFXForm_5a<31, 19, (outs GPRC:$rT), (ins crbitm:$FXM),
1113                       "mfcr $rT, $FXM", SprMFCR>,
1114            PPC970_DGroup_First, PPC970_Unit_CRU;
1115
1116// Instructions to manipulate FPSCR.  Only long double handling uses these.
1117// FPSCR is not modelled; we use the SDNode Flag to keep things in order.
1118
1119let Uses = [RM], Defs = [RM] in { 
1120  def MTFSB0 : XForm_43<63, 70, (outs), (ins u5imm:$FM),
1121                         "mtfsb0 $FM", IntMTFSB0,
1122                        [(PPCmtfsb0 (i32 imm:$FM))]>,
1123               PPC970_DGroup_Single, PPC970_Unit_FPU;
1124  def MTFSB1 : XForm_43<63, 38, (outs), (ins u5imm:$FM),
1125                         "mtfsb1 $FM", IntMTFSB0,
1126                        [(PPCmtfsb1 (i32 imm:$FM))]>,
1127               PPC970_DGroup_Single, PPC970_Unit_FPU;
1128  // MTFSF does not actually produce an FP result.  We pretend it copies
1129  // input reg B to the output.  If we didn't do this it would look like the
1130  // instruction had no outputs (because we aren't modelling the FPSCR) and
1131  // it would be deleted.
1132  def MTFSF  : XFLForm<63, 711, (outs F8RC:$FRA),
1133                                (ins i32imm:$FM, F8RC:$rT, F8RC:$FRB),
1134                         "mtfsf $FM, $rT", "$FRB = $FRA", IntMTFSB0,
1135                         [(set F8RC:$FRA, (PPCmtfsf (i32 imm:$FM), 
1136                                                     F8RC:$rT, F8RC:$FRB))]>,
1137               PPC970_DGroup_Single, PPC970_Unit_FPU;
1138}
1139let Uses = [RM] in {
1140  def MFFS   : XForm_42<63, 583, (outs F8RC:$rT), (ins), 
1141                         "mffs $rT", IntMFFS,
1142                         [(set F8RC:$rT, (PPCmffs))]>,
1143               PPC970_DGroup_Single, PPC970_Unit_FPU;
1144  def FADDrtz: AForm_2<63, 21,
1145                      (outs F8RC:$FRT), (ins F8RC:$FRA, F8RC:$FRB),
1146                      "fadd $FRT, $FRA, $FRB", FPGeneral,
1147                      [(set F8RC:$FRT, (PPCfaddrtz F8RC:$FRA, F8RC:$FRB))]>,
1148               PPC970_DGroup_Single, PPC970_Unit_FPU;
1149}
1150
1151
1152let PPC970_Unit = 1 in {  // FXU Operations.
1153
1154// XO-Form instructions.  Arithmetic instructions that can set overflow bit
1155//
1156def ADD4  : XOForm_1<31, 266, 0, (outs GPRC:$rT), (ins GPRC:$rA, GPRC:$rB),
1157                     "add $rT, $rA, $rB", IntGeneral,
1158                     [(set GPRC:$rT, (add GPRC:$rA, GPRC:$rB))]>;
1159let Defs = [CARRY] in {
1160def ADDC  : XOForm_1<31, 10, 0, (outs GPRC:$rT), (ins GPRC:$rA, GPRC:$rB),
1161                     "addc $rT, $rA, $rB", IntGeneral,
1162                     [(set GPRC:$rT, (addc GPRC:$rA, GPRC:$rB))]>,
1163                     PPC970_DGroup_Cracked;
1164}
1165def DIVW  : XOForm_1<31, 491, 0, (outs GPRC:$rT), (ins GPRC:$rA, GPRC:$rB),
1166                     "divw $rT, $rA, $rB", IntDivW,
1167                     [(set GPRC:$rT, (sdiv GPRC:$rA, GPRC:$rB))]>,
1168                     PPC970_DGroup_First, PPC970_DGroup_Cracked;
1169def DIVWU : XOForm_1<31, 459, 0, (outs GPRC:$rT), (ins GPRC:$rA, GPRC:$rB),
1170                     "divwu $rT, $rA, $rB", IntDivW,
1171                     [(set GPRC:$rT, (udiv GPRC:$rA, GPRC:$rB))]>,
1172                     PPC970_DGroup_First, PPC970_DGroup_Cracked;
1173def MULHW : XOForm_1<31, 75, 0, (outs GPRC:$rT), (ins GPRC:$rA, GPRC:$rB),
1174                     "mulhw $rT, $rA, $rB", IntMulHW,
1175                     [(set GPRC:$rT, (mulhs GPRC:$rA, GPRC:$rB))]>;
1176def MULHWU : XOForm_1<31, 11, 0, (outs GPRC:$rT), (ins GPRC:$rA, GPRC:$rB),
1177                     "mulhwu $rT, $rA, $rB", IntMulHWU,
1178                     [(set GPRC:$rT, (mulhu GPRC:$rA, GPRC:$rB))]>;
1179def MULLW : XOForm_1<31, 235, 0, (outs GPRC:$rT), (ins GPRC:$rA, GPRC:$rB),
1180                     "mullw $rT, $rA, $rB", IntMulHW,
1181                     [(set GPRC:$rT, (mul GPRC:$rA, GPRC:$rB))]>;
1182def SUBF  : XOForm_1<31, 40, 0, (outs GPRC:$rT), (ins GPRC:$rA, GPRC:$rB),
1183                     "subf $rT, $rA, $rB", IntGeneral,
1184                     [(set GPRC:$rT, (sub GPRC:$rB, GPRC:$rA))]>;
1185let Defs = [CARRY] in {
1186def SUBFC : XOForm_1<31, 8, 0, (outs GPRC:$rT), (ins GPRC:$rA, GPRC:$rB),
1187                     "subfc $rT, $rA, $rB", IntGeneral,
1188                     [(set GPRC:$rT, (subc GPRC:$rB, GPRC:$rA))]>,
1189                     PPC970_DGroup_Cracked;
1190}
1191def NEG    : XOForm_3<31, 104, 0, (outs GPRC:$rT), (ins GPRC:$rA),
1192                      "neg $rT, $rA", IntGeneral,
1193                      [(set GPRC:$rT, (ineg GPRC:$rA))]>;
1194let Uses = [CARRY], Defs = [CARRY] in {
1195def ADDE  : XOForm_1<31, 138, 0, (outs GPRC:$rT), (ins GPRC:$rA, GPRC:$rB),
1196                      "adde $rT, $rA, $rB", IntGeneral,
1197                      [(set GPRC:$rT, (adde GPRC:$rA, GPRC:$rB))]>;
1198def ADDME  : XOForm_3<31, 234, 0, (outs GPRC:$rT), (ins GPRC:$rA),
1199                      "addme $rT, $rA", IntGeneral,
1200                      [(set GPRC:$rT, (adde GPRC:$rA, -1))]>;
1201def ADDZE  : XOForm_3<31, 202, 0, (outs GPRC:$rT), (ins GPRC:$rA),
1202                      "addze $rT, $rA", IntGeneral,
1203                      [(set GPRC:$rT, (adde GPRC:$rA, 0))]>;
1204def SUBFE : XOForm_1<31, 136, 0, (outs GPRC:$rT), (ins GPRC:$rA, GPRC:$rB),
1205                      "subfe $rT, $rA, $rB", IntGeneral,
1206                      [(set GPRC:$rT, (sube GPRC:$rB, GPRC:$rA))]>;
1207def SUBFME : XOForm_3<31, 232, 0, (outs GPRC:$rT), (ins GPRC:$rA),
1208                      "subfme $rT, $rA", IntGeneral,
1209                      [(set GPRC:$rT, (sube -1, GPRC:$rA))]>;
1210def SUBFZE : XOForm_3<31, 200, 0, (outs GPRC:$rT), (ins GPRC:$rA),
1211                      "subfze $rT, $rA", IntGeneral,
1212                      [(set GPRC:$rT, (sube 0, GPRC:$rA))]>;
1213}
1214}
1215
1216// A-Form instructions.  Most of the instructions executed in the FPU are of
1217// this type.
1218//
1219let PPC970_Unit = 3 in {  // FPU Operations.
1220let Uses = [RM] in {
1221  def FMADD : AForm_1<63, 29, 
1222                      (outs F8RC:$FRT), (ins F8RC:$FRA, F8RC:$FRC, F8RC:$FRB),
1223                      "fmadd $FRT, $FRA, $FRC, $FRB", FPFused,
1224                      [(set F8RC:$FRT, (fadd (fmul F8RC:$FRA, F8RC:$FRC),
1225                                             F8RC:$FRB))]>,
1226                      Requires<[FPContractions]>;
1227  def FMADDS : AForm_1<59, 29,
1228                      (outs F4RC:$FRT), (ins F4RC:$FRA, F4RC:$FRC, F4RC:$FRB),
1229                      "fmadds $FRT, $FRA, $FRC, $FRB", FPGeneral,
1230                      [(set F4RC:$FRT, (fadd (fmul F4RC:$FRA, F4RC:$FRC),
1231                                             F4RC:$FRB))]>,
1232                      Requires<[FPContractions]>;
1233  def FMSUB : AForm_1<63, 28,
1234                      (outs F8RC:$FRT), (ins F8RC:$FRA, F8RC:$FRC, F8RC:$FRB),
1235                      "fmsub $FRT, $FRA, $FRC, $FRB", FPFused,
1236                      [(set F8RC:$FRT, (fsub (fmul F8RC:$FRA, F8RC:$FRC),
1237                                             F8RC:$FRB))]>,
1238                      Requires<[FPContractions]>;
1239  def FMSUBS : AForm_1<59, 28,
1240                      (outs F4RC:$FRT), (ins F4RC:$FRA, F4RC:$FRC, F4RC:$FRB),
1241                      "fmsubs $FRT, $FRA, $FRC, $FRB", FPGeneral,
1242                      [(set F4RC:$FRT, (fsub (fmul F4RC:$FRA, F4RC:$FRC),
1243                                             F4RC:$FRB))]>,
1244                      Requires<[FPContractions]>;
1245  def FNMADD : AForm_1<63, 31,
1246                      (outs F8RC:$FRT), (ins F8RC:$FRA, F8RC:$FRC, F8RC:$FRB),
1247                      "fnmadd $FRT, $FRA, $FRC, $FRB", FPFused,
1248                      [(set F8RC:$FRT, (fneg (fadd (fmul F8RC:$FRA, F8RC:$FRC),
1249                                                   F8RC:$FRB)))]>,
1250                      Requires<[FPContractions]>;
1251  def FNMADDS : AForm_1<59, 31,
1252                      (outs F4RC:$FRT), (ins F4RC:$FRA, F4RC:$FRC, F4RC:$FRB),
1253                      "fnmadds $FRT, $FRA, $FRC, $FRB", FPGeneral,
1254                      [(set F4RC:$FRT, (fneg (fadd (fmul F4RC:$FRA, F4RC:$FRC),
1255                                                   F4RC:$FRB)))]>,
1256                      Requires<[FPContractions]>;
1257  def FNMSUB : AForm_1<63, 30,
1258                      (outs F8RC:$FRT), (ins F8RC:$FRA, F8RC:$FRC, F8RC:$FRB),
1259                      "fnmsub $FRT, $FRA, $FRC, $FRB", FPFused,
1260                      [(set F8RC:$FRT, (fneg (fsub (fmul F8RC:$FRA, F8RC:$FRC),
1261                                                   F8RC:$FRB)))]>,
1262                      Requires<[FPContractions]>;
1263  def FNMSUBS : AForm_1<59, 30,
1264                      (outs F4RC:$FRT), (ins F4RC:$FRA, F4RC:$FRC, F4RC:$FRB),
1265                      "fnmsubs $FRT, $FRA, $FRC, $FRB", FPGeneral,
1266                      [(set F4RC:$FRT, (fneg (fsub (fmul F4RC:$FRA, F4RC:$FRC),
1267                                                   F4RC:$FRB)))]>,
1268                      Requires<[FPContractions]>;
1269}
1270// FSEL is artificially split into 4 and 8-byte forms for the result.  To avoid
1271// having 4 of these, force the comparison to always be an 8-byte double (code
1272// should use an FMRSD if the input comparison value really wants to be a float)
1273// and 4/8 byte forms for the result and operand type..
1274def FSELD : AForm_1<63, 23,
1275                    (outs F8RC:$FRT), (ins F8RC:$FRA, F8RC:$FRC, F8RC:$FRB),
1276                    "fsel $FRT, $FRA, $FRC, $FRB", FPGeneral,
1277                    [(set F8RC:$FRT, (PPCfsel F8RC:$FRA,F8RC:$FRC,F8RC:$FRB))]>;
1278def FSELS : AForm_1<63, 23,
1279                     (outs F4RC:$FRT), (ins F8RC:$FRA, F4RC:$FRC, F4RC:$FRB),
1280                     "fsel $FRT, $FRA, $FRC, $FRB", FPGeneral,
1281                    [(set F4RC:$FRT, (PPCfsel F8RC:$FRA,F4RC:$FRC,F4RC:$FRB))]>;
1282let Uses = [RM] in {
1283  def FADD  : AForm_2<63, 21,
1284                      (outs F8RC:$FRT), (ins F8RC:$FRA, F8RC:$FRB),
1285                      "fadd $FRT, $FRA, $FRB", FPGeneral,
1286                      [(set F8RC:$FRT, (fadd F8RC:$FRA, F8RC:$FRB))]>;
1287  def FADDS : AForm_2<59, 21,
1288                      (outs F4RC:$FRT), (ins F4RC:$FRA, F4RC:$FRB),
1289                      "fadds $FRT, $FRA, $FRB", FPGeneral,
1290                      [(set F4RC:$FRT, (fadd F4RC:$FRA, F4RC:$FRB))]>;
1291  def FDIV  : AForm_2<63, 18,
1292                      (outs F8RC:$FRT), (ins F8RC:$FRA, F8RC:$FRB),
1293                      "fdiv $FRT, $FRA, $FRB", FPDivD,
1294                      [(set F8RC:$FRT, (fdiv F8RC:$FRA, F8RC:$FRB))]>;
1295  def FDIVS : AForm_2<59, 18,
1296                      (outs F4RC:$FRT), (ins F4RC:$FRA, F4RC:$FRB),
1297                      "fdivs $FRT, $FRA, $FRB", FPDivS,
1298                      [(set F4RC:$FRT, (fdiv F4RC:$FRA, F4RC:$FRB))]>;
1299  def FMUL  : AForm_3<63, 25,
1300                      (outs F8RC:$FRT), (ins F8RC:$FRA, F8RC:$FRB),
1301                      "fmul $FRT, $FRA, $FRB", FPFused,
1302                      [(set F8RC:$FRT, (fmul F8RC:$FRA, F8RC:$FRB))]>;
1303  def FMULS : AForm_3<59, 25,
1304                      (outs F4RC:$FRT), (ins F4RC:$FRA, F4RC:$FRB),
1305                      "fmuls $FRT, $FRA, $FRB", FPGeneral,
1306                      [(set F4RC:$FRT, (fmul F4RC:$FRA, F4RC:$FRB))]>;
1307  def FSUB  : AForm_2<63, 20,
1308                      (outs F8RC:$FRT), (ins F8RC:$FRA, F8RC:$FRB),
1309                      "fsub $FRT, $FRA, $FRB", FPGeneral,
1310                      [(set F8RC:$FRT, (fsub F8RC:$FRA, F8RC:$FRB))]>;
1311  def FSUBS : AForm_2<59, 20,
1312                      (outs F4RC:$FRT), (ins F4RC:$FRA, F4RC:$FRB),
1313                      "fsubs $FRT, $FRA, $FRB", FPGeneral,
1314                      [(set F4RC:$FRT, (fsub F4RC:$FRA, F4RC:$FRB))]>;
1315  }
1316}
1317
1318let PPC970_Unit = 1 in {  // FXU Operations.
1319// M-Form instructions.  rotate and mask instructions.
1320//
1321let isCommutable = 1 in {
1322// RLWIMI can be commuted if the rotate amount is zero.
1323def RLWIMI : MForm_2<20,
1324                     (outs GPRC:$rA), (ins GPRC:$rSi, GPRC:$rS, u5imm:$SH, u5imm:$MB, 
1325                      u5imm:$ME), "rlwimi $rA, $rS, $SH, $MB, $ME", IntRotate,
1326                      []>, PPC970_DGroup_Cracked, RegConstraint<"$rSi = $rA">,
1327                      NoEncode<"$rSi">;
1328}
1329def RLWINM : MForm_2<21,
1330                     (outs GPRC:$rA), (ins GPRC:$rS, u5imm:$SH, u5imm:$MB, u5imm:$ME),
1331                     "rlwinm $rA, $rS, $SH, $MB, $ME", IntGeneral,
1332                     []>;
1333def RLWINMo : MForm_2<21,
1334                     (outs GPRC:$rA), (ins GPRC:$rS, u5imm:$SH, u5imm:$MB, u5imm:$ME),
1335                     "rlwinm. $rA, $rS, $SH, $MB, $ME", IntGeneral,
1336                     []>, isDOT, PPC970_DGroup_Cracked;
1337def RLWNM  : MForm_2<23,
1338                     (outs GPRC:$rA), (ins GPRC:$rS, GPRC:$rB, u5imm:$MB, u5imm:$ME),
1339                     "rlwnm $rA, $rS, $rB, $MB, $ME", IntGeneral,
1340                     []>;
1341}
1342
1343
1344//===----------------------------------------------------------------------===//
1345// PowerPC Instruction Patterns
1346//
1347
1348// Arbitrary immediate support.  Implement in terms of LIS/ORI.
1349def : Pat<(i32 imm:$imm),
1350          (ORI (LIS (HI16 imm:$imm)), (LO16 imm:$imm))>;
1351
1352// Implement the 'not' operation with the NOR instruction.
1353def NOT : Pat<(not GPRC:$in),
1354              (NOR GPRC:$in, GPRC:$in)>;
1355
1356// ADD an arbitrary immediate.
1357def : Pat<(add GPRC:$in, imm:$imm),
1358          (ADDIS (ADDI GPRC:$in, (LO16 imm:$imm)), (HA16 imm:$imm))>;
1359// OR an arbitrary immediate.
1360def : Pat<(or GPRC:$in, imm:$imm),
1361          (ORIS (ORI GPRC:$in, (LO16 imm:$imm)), (HI16 imm:$imm))>;
1362// XOR an arbitrary immediate.
1363def : Pat<(xor GPRC:$in, imm:$imm),
1364          (XORIS (XORI GPRC:$in, (LO16 imm:$imm)), (HI16 imm:$imm))>;
1365// SUBFIC
1366def : Pat<(sub  immSExt16:$imm, GPRC:$in),
1367          (SUBFIC GPRC:$in, imm:$imm)>;
1368
1369// SHL/SRL
1370def : Pat<(shl GPRC:$in, (i32 imm:$imm)),
1371          (RLWINM GPRC:$in, imm:$imm, 0, (SHL32 imm:$imm))>;
1372def : Pat<(srl GPRC:$in, (i32 imm:$imm)),
1373          (RLWINM GPRC:$in, (SRL32 imm:$imm), imm:$imm, 31)>;
1374
1375// ROTL
1376def : Pat<(rotl GPRC:$in, GPRC:$sh),
1377          (RLWNM GPRC:$in, GPRC:$sh, 0, 31)>;
1378def : Pat<(rotl GPRC:$in, (i32 imm:$imm)),
1379          (RLWINM GPRC:$in, imm:$imm, 0, 31)>;
1380
1381// RLWNM
1382def : Pat<(and (rotl GPRC:$in, GPRC:$sh), maskimm32:$imm),
1383          (RLWNM GPRC:$in, GPRC:$sh, (MB maskimm32:$imm), (ME maskimm32:$imm))>;
1384
1385// Calls
1386def : Pat<(PPCcall_Darwin (i32 tglobaladdr:$dst)),
1387          (BL_Darwin tglobaladdr:$dst)>;
1388def : Pat<(PPCcall_Darwin (i32 texternalsym:$dst)),
1389          (BL_Darwin texternalsym:$dst)>;
1390def : Pat<(PPCcall_SVR4 (i32 tglobaladdr:$dst)),
1391          (BL_SVR4 tglobaladdr:$dst)>;
1392def : Pat<(PPCcall_SVR4 (i32 texternalsym:$dst)),
1393          (BL_SVR4 texternalsym:$dst)>;
1394
1395
1396def : Pat<(PPCtc_return (i32 tglobaladdr:$dst),  imm:$imm),
1397          (TCRETURNdi tglobaladdr:$dst, imm:$imm)>;
1398
1399def : Pat<(PPCtc_return (i32 texternalsym:$dst), imm:$imm),
1400          (TCRETURNdi texternalsym:$dst, imm:$imm)>;
1401
1402def : Pat<(PPCtc_return CTRRC:$dst, imm:$imm),
1403          (TCRETURNri CTRRC:$dst, imm:$imm)>;
1404
1405
1406
1407// Hi and Lo for Darwin Global Addresses.
1408def : Pat<(PPChi tglobaladdr:$in, 0), (LIS tglobaladdr:$in)>;
1409def : Pat<(PPClo tglobaladdr:$in, 0), (LI tglobaladdr:$in)>;
1410def : Pat<(PPChi tconstpool:$in, 0), (LIS tconstpool:$in)>;
1411def : Pat<(PPClo tconstpool:$in, 0), (LI tconstpool:$in)>;
1412def : Pat<(PPChi tjumptable:$in, 0), (LIS tjumptable:$in)>;
1413def : Pat<(PPClo tjumptable:$in, 0), (LI tjumptable:$in)>;
1414def : Pat<(PPChi tblockaddress:$in, 0), (LIS tblockaddress:$in)>;
1415def : Pat<(PPClo tblockaddress:$in, 0), (LI tblockaddress:$in)>;
1416def : Pat<(add GPRC:$in, (PPChi tglobaladdr:$g, 0)),
1417          (ADDIS GPRC:$in, tglobaladdr:$g)>;
1418def : Pat<(add GPRC:$in, (PPChi tconstpool:$g, 0)),
1419          (ADDIS GPRC:$in, tconstpool:$g)>;
1420def : Pat<(add GPRC:$in, (PPChi tjumptable:$g, 0)),
1421          (ADDIS GPRC:$in, tjumptable:$g)>;
1422def : Pat<(add GPRC:$in, (PPChi tblockaddress:$g, 0)),
1423          (ADDIS GPRC:$in, tblockaddress:$g)>;
1424
1425// Fused negative multiply subtract, alternate pattern
1426def : Pat<(fsub F8RC:$B, (fmul F8RC:$A, F8RC:$C)),
1427          (FNMSUB F8RC:$A, F8RC:$C, F8RC:$B)>,
1428          Requires<[FPContractions]>;
1429def : Pat<(fsub F4RC:$B, (fmul F4RC:$A, F4RC:$C)),
1430          (FNMSUBS F4RC:$A, F4RC:$C, F4RC:$B)>,
1431          Requires<[FPContractions]>;
1432
1433// Standard shifts.  These are represented separately from the real shifts above
1434// so that we can distinguish between shifts that allow 5-bit and 6-bit shift
1435// amounts.
1436def : Pat<(sra GPRC:$rS, GPRC:$rB),
1437          (SRAW GPRC:$rS, GPRC:$rB)>;
1438def : Pat<(srl GPRC:$rS, GPRC:$rB),
1439          (SRW GPRC:$rS, GPRC:$rB)>;
1440def : Pat<(shl GPRC:$rS, GPRC:$rB),
1441          (SLW GPRC:$rS, GPRC:$rB)>;
1442
1443def : Pat<(zextloadi1 iaddr:$src),
1444          (LBZ iaddr:$src)>;
1445def : Pat<(zextloadi1 xaddr:$src),
1446          (LBZX xaddr:$src)>;
1447def : Pat<(extloadi1 iaddr:$src),
1448          (LBZ iaddr:$src)>;
1449def : Pat<(extloadi1 xaddr:$src),
1450          (LBZX xaddr:$src)>;
1451def : Pat<(extloadi8 iaddr:$src),
1452          (LBZ iaddr:$src)>;
1453def : Pat<(extloadi8 xaddr:$src),
1454          (LBZX xaddr:$src)>;
1455def : Pat<(extloadi16 iaddr:$src),
1456          (LHZ iaddr:$src)>;
1457def : Pat<(extloadi16 xaddr:$src),
1458          (LHZX xaddr:$src)>;
1459def : Pat<(f64 (extloadf32 iaddr:$src)),
1460          (COPY_TO_REGCLASS (LFS iaddr:$src), F8RC)>;
1461def : Pat<(f64 (extloadf32 xaddr:$src)),
1462          (COPY_TO_REGCLASS (LFSX xaddr:$src), F8RC)>;
1463
1464def : Pat<(f64 (fextend F4RC:$src)),
1465          (COPY_TO_REGCLASS F4RC:$src, F8RC)>;
1466
1467// Memory barriers
1468def : Pat<(membarrier (i32 imm /*ll*/),
1469                      (i32 imm /*ls*/),
1470                      (i32 imm /*sl*/),
1471                      (i32 imm /*ss*/),
1472                      (i32 imm /*device*/)),
1473           (SYNC)>;
1474
1475include "PPCInstrAltivec.td"
1476include "PPCInstr64Bit.td"
1477