PPCInstrInfo.td revision 221345
1//===- PPCInstrInfo.td - The PowerPC Instruction Set -------*- tablegen -*-===//
2// 
3//                     The LLVM Compiler Infrastructure
4//
5// This file is distributed under the University of Illinois Open Source
6// License. See LICENSE.TXT for details.
7// 
8//===----------------------------------------------------------------------===//
9//
10// This file describes the subset of the 32-bit PowerPC instruction set, as used
11// by the PowerPC instruction selector.
12//
13//===----------------------------------------------------------------------===//
14
15include "PPCInstrFormats.td"
16
17//===----------------------------------------------------------------------===//
18// PowerPC specific type constraints.
19//
20def SDT_PPCstfiwx : SDTypeProfile<0, 2, [ // stfiwx
21  SDTCisVT<0, f64>, SDTCisPtrTy<1>
22]>;
23def SDT_PPCCallSeqStart : SDCallSeqStart<[ SDTCisVT<0, i32> ]>;
24def SDT_PPCCallSeqEnd   : SDCallSeqEnd<[ SDTCisVT<0, i32>,
25                                         SDTCisVT<1, i32> ]>;
26def SDT_PPCvperm   : SDTypeProfile<1, 3, [
27  SDTCisVT<3, v16i8>, SDTCisSameAs<0, 1>, SDTCisSameAs<0, 2>
28]>;
29
30def SDT_PPCvcmp : SDTypeProfile<1, 3, [
31  SDTCisSameAs<0, 1>, SDTCisSameAs<1, 2>, SDTCisVT<3, i32>
32]>;
33
34def SDT_PPCcondbr : SDTypeProfile<0, 3, [
35  SDTCisVT<0, i32>, SDTCisVT<2, OtherVT>
36]>;
37
38def SDT_PPClbrx : SDTypeProfile<1, 2, [
39  SDTCisVT<0, i32>, SDTCisPtrTy<1>, SDTCisVT<2, OtherVT>
40]>;
41def SDT_PPCstbrx : SDTypeProfile<0, 3, [
42  SDTCisVT<0, i32>, SDTCisPtrTy<1>, SDTCisVT<2, OtherVT>
43]>;
44
45def SDT_PPClarx : SDTypeProfile<1, 1, [
46  SDTCisInt<0>, SDTCisPtrTy<1>
47]>;
48def SDT_PPCstcx : SDTypeProfile<0, 2, [
49  SDTCisInt<0>, SDTCisPtrTy<1>
50]>;
51
52def SDT_PPCTC_ret : SDTypeProfile<0, 2, [
53  SDTCisPtrTy<0>, SDTCisVT<1, i32>
54]>;
55
56def SDT_PPCnop : SDTypeProfile<0, 0, []>;
57
58//===----------------------------------------------------------------------===//
59// PowerPC specific DAG Nodes.
60//
61
62def PPCfcfid  : SDNode<"PPCISD::FCFID" , SDTFPUnaryOp, []>;
63def PPCfctidz : SDNode<"PPCISD::FCTIDZ", SDTFPUnaryOp, []>;
64def PPCfctiwz : SDNode<"PPCISD::FCTIWZ", SDTFPUnaryOp, []>;
65def PPCstfiwx : SDNode<"PPCISD::STFIWX", SDT_PPCstfiwx,
66                       [SDNPHasChain, SDNPMayStore]>;
67
68// This sequence is used for long double->int conversions.  It changes the
69// bits in the FPSCR which is not modelled.  
70def PPCmffs   : SDNode<"PPCISD::MFFS", SDTypeProfile<1, 0, [SDTCisVT<0, f64>]>,
71                        [SDNPOutGlue]>;
72def PPCmtfsb0 : SDNode<"PPCISD::MTFSB0", SDTypeProfile<0, 1, [SDTCisInt<0>]>,
73                       [SDNPInGlue, SDNPOutGlue]>;
74def PPCmtfsb1 : SDNode<"PPCISD::MTFSB1", SDTypeProfile<0, 1, [SDTCisInt<0>]>,
75                       [SDNPInGlue, SDNPOutGlue]>;
76def PPCfaddrtz: SDNode<"PPCISD::FADDRTZ", SDTFPBinOp,
77                       [SDNPInGlue, SDNPOutGlue]>;
78def PPCmtfsf  : SDNode<"PPCISD::MTFSF", SDTypeProfile<1, 3, 
79                       [SDTCisVT<0, f64>, SDTCisInt<1>, SDTCisVT<2, f64>,
80                        SDTCisVT<3, f64>]>,
81                       [SDNPInGlue]>;
82
83def PPCfsel   : SDNode<"PPCISD::FSEL",  
84   // Type constraint for fsel.
85   SDTypeProfile<1, 3, [SDTCisSameAs<0, 2>, SDTCisSameAs<0, 3>, 
86                        SDTCisFP<0>, SDTCisVT<1, f64>]>, []>;
87
88def PPChi       : SDNode<"PPCISD::Hi", SDTIntBinOp, []>;
89def PPClo       : SDNode<"PPCISD::Lo", SDTIntBinOp, []>;
90def PPCtoc_entry: SDNode<"PPCISD::TOC_ENTRY", SDTIntBinOp, [SDNPMayLoad]>;
91def PPCvmaddfp  : SDNode<"PPCISD::VMADDFP", SDTFPTernaryOp, []>;
92def PPCvnmsubfp : SDNode<"PPCISD::VNMSUBFP", SDTFPTernaryOp, []>;
93
94def PPCvperm    : SDNode<"PPCISD::VPERM", SDT_PPCvperm, []>;
95
96// These nodes represent the 32-bit PPC shifts that operate on 6-bit shift
97// amounts.  These nodes are generated by the multi-precision shift code.
98def PPCsrl        : SDNode<"PPCISD::SRL"       , SDTIntShiftOp>;
99def PPCsra        : SDNode<"PPCISD::SRA"       , SDTIntShiftOp>;
100def PPCshl        : SDNode<"PPCISD::SHL"       , SDTIntShiftOp>;
101
102def PPCextsw_32   : SDNode<"PPCISD::EXTSW_32"  , SDTIntUnaryOp>;
103def PPCstd_32     : SDNode<"PPCISD::STD_32"    , SDTStore,
104                           [SDNPHasChain, SDNPMayStore]>;
105
106// These are target-independent nodes, but have target-specific formats.
107def callseq_start : SDNode<"ISD::CALLSEQ_START", SDT_PPCCallSeqStart,
108                           [SDNPHasChain, SDNPOutGlue]>;
109def callseq_end   : SDNode<"ISD::CALLSEQ_END",   SDT_PPCCallSeqEnd,
110                           [SDNPHasChain, SDNPOptInGlue, SDNPOutGlue]>;
111
112def SDT_PPCCall   : SDTypeProfile<0, -1, [SDTCisInt<0>]>;
113def PPCcall_Darwin : SDNode<"PPCISD::CALL_Darwin", SDT_PPCCall,
114                            [SDNPHasChain, SDNPOptInGlue, SDNPOutGlue,
115                             SDNPVariadic]>;
116def PPCcall_SVR4  : SDNode<"PPCISD::CALL_SVR4", SDT_PPCCall,
117                           [SDNPHasChain, SDNPOptInGlue, SDNPOutGlue,
118                            SDNPVariadic]>;
119def 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 piclabel: Operand<iPTR> {}
304def symbolHi: Operand<i32> {
305  let PrintMethod = "printSymbolHi";
306  let EncoderMethod = "getHA16Encoding";
307}
308def symbolLo: Operand<i32> {
309  let PrintMethod = "printSymbolLo";
310  let EncoderMethod = "getLO16Encoding";
311}
312def crbitm: Operand<i8> {
313  let PrintMethod = "printcrbitm";
314  let EncoderMethod = "get_crbitm_encoding";
315}
316// Address operands
317def memri : Operand<iPTR> {
318  let PrintMethod = "printMemRegImm";
319  let MIOperandInfo = (ops i32imm:$imm, ptr_rc:$reg);
320  let EncoderMethod = "getMemRIEncoding";
321}
322def memrr : Operand<iPTR> {
323  let PrintMethod = "printMemRegReg";
324  let MIOperandInfo = (ops ptr_rc, ptr_rc);
325}
326def memrix : Operand<iPTR> {   // memri where the imm is shifted 2 bits.
327  let PrintMethod = "printMemRegImmShifted";
328  let MIOperandInfo = (ops i32imm:$imm, ptr_rc:$reg);
329  let EncoderMethod = "getMemRIXEncoding";
330}
331def tocentry : Operand<iPTR> {
332  let MIOperandInfo = (ops i32imm:$imm);
333}
334
335// PowerPC Predicate operand.  20 = (0<<5)|20 = always, CR0 is a dummy reg
336// that doesn't matter.
337def pred : PredicateOperand<OtherVT, (ops imm, CRRC),
338                                     (ops (i32 20), (i32 zero_reg))> {
339  let PrintMethod = "printPredicateOperand";
340}
341
342// Define PowerPC specific addressing mode.
343def iaddr  : ComplexPattern<iPTR, 2, "SelectAddrImm",    [], []>;
344def xaddr  : ComplexPattern<iPTR, 2, "SelectAddrIdx",    [], []>;
345def xoaddr : ComplexPattern<iPTR, 2, "SelectAddrIdxOnly",[], []>;
346def ixaddr : ComplexPattern<iPTR, 2, "SelectAddrImmShift", [], []>; // "std"
347
348/// This is just the offset part of iaddr, used for preinc.
349def iaddroff : ComplexPattern<iPTR, 1, "SelectAddrImmOffs", [], []>;
350
351//===----------------------------------------------------------------------===//
352// PowerPC Instruction Predicate Definitions.
353def FPContractions : Predicate<"!NoExcessFPPrecision">;
354def In32BitMode  : Predicate<"!PPCSubTarget.isPPC64()">;
355def In64BitMode  : Predicate<"PPCSubTarget.isPPC64()">;
356
357
358//===----------------------------------------------------------------------===//
359// PowerPC Instruction Definitions.
360
361// Pseudo-instructions:
362
363let hasCtrlDep = 1 in {
364let Defs = [R1], Uses = [R1] in {
365def ADJCALLSTACKDOWN : Pseudo<(outs), (ins u16imm:$amt), "",
366                              [(callseq_start timm:$amt)]>;
367def ADJCALLSTACKUP   : Pseudo<(outs), (ins u16imm:$amt1, u16imm:$amt2), "",
368                              [(callseq_end timm:$amt1, timm:$amt2)]>;
369}
370
371def UPDATE_VRSAVE    : Pseudo<(outs GPRC:$rD), (ins GPRC:$rS),
372                              "UPDATE_VRSAVE $rD, $rS", []>;
373}
374
375let Defs = [R1], Uses = [R1] in
376def DYNALLOC : Pseudo<(outs GPRC:$result), (ins GPRC:$negsize, memri:$fpsi), "",
377                       [(set GPRC:$result,
378                             (PPCdynalloc GPRC:$negsize, iaddr:$fpsi))]>;
379                         
380// SELECT_CC_* - Used to implement the SELECT_CC DAG operation.  Expanded after
381// instruction selection into a branch sequence.
382let usesCustomInserter = 1,    // Expanded after instruction selection.
383    PPC970_Single = 1 in {
384  def SELECT_CC_I4 : Pseudo<(outs GPRC:$dst), (ins CRRC:$cond, GPRC:$T, GPRC:$F,
385                              i32imm:$BROPC), "",
386                              []>;
387  def SELECT_CC_I8 : Pseudo<(outs G8RC:$dst), (ins CRRC:$cond, G8RC:$T, G8RC:$F,
388                              i32imm:$BROPC), "",
389                              []>;
390  def SELECT_CC_F4  : Pseudo<(outs F4RC:$dst), (ins CRRC:$cond, F4RC:$T, F4RC:$F,
391                              i32imm:$BROPC), "",
392                              []>;
393  def SELECT_CC_F8  : Pseudo<(outs F8RC:$dst), (ins CRRC:$cond, F8RC:$T, F8RC:$F,
394                              i32imm:$BROPC), "",
395                              []>;
396  def SELECT_CC_VRRC: Pseudo<(outs VRRC:$dst), (ins CRRC:$cond, VRRC:$T, VRRC:$F,
397                              i32imm:$BROPC), "",
398                              []>;
399}
400
401// SPILL_CR - Indicate that we're dumping the CR register, so we'll need to
402// scavenge a register for it.
403def SPILL_CR : Pseudo<(outs), (ins GPRC:$cond, memri:$F),
404                     "", []>;
405
406let isTerminator = 1, isBarrier = 1, PPC970_Unit = 7 in {
407  let isReturn = 1, Uses = [LR, RM] in
408    def BLR : XLForm_2_br<19, 16, 0, (outs), (ins pred:$p),
409                          "b${p:cc}lr ${p:reg}", BrB, 
410                          [(retflag)]>;
411  let isBranch = 1, isIndirectBranch = 1, Uses = [CTR] in
412    def BCTR : XLForm_2_ext<19, 528, 20, 0, 0, (outs), (ins), "bctr", BrB, []>;
413}
414
415let Defs = [LR] in
416  def MovePCtoLR : Pseudo<(outs), (ins piclabel:$label), "", []>,
417                   PPC970_Unit_BRU;
418
419let isBranch = 1, isTerminator = 1, hasCtrlDep = 1, PPC970_Unit = 7 in {
420  let isBarrier = 1 in {
421  def B   : IForm<18, 0, 0, (outs), (ins directbrtarget:$dst),
422                  "b $dst", BrB,
423                  [(br bb:$dst)]>;
424  }
425
426  // BCC represents an arbitrary conditional branch on a predicate.
427  // FIXME: should be able to write a pattern for PPCcondbranch, but can't use
428  // a two-value operand where a dag node expects two operands. :( 
429  def BCC : BForm<16, 0, 0, (outs), (ins pred:$cond, condbrtarget:$dst),
430                  "b${cond:cc} ${cond:reg}, $dst"
431                  /*[(PPCcondbranch CRRC:$crS, imm:$opc, bb:$dst)]*/>;
432}
433
434// Darwin ABI Calls.
435let isCall = 1, PPC970_Unit = 7, 
436  // All calls clobber the non-callee saved registers...
437  Defs = [R0,R2,R3,R4,R5,R6,R7,R8,R9,R10,R11,R12,
438          F0,F1,F2,F3,F4,F5,F6,F7,F8,F9,F10,F11,F12,F13,
439          V0,V1,V2,V3,V4,V5,V6,V7,V8,V9,V10,V11,V12,V13,V14,V15,V16,V17,V18,V19,
440          LR,CTR,
441          CR0,CR1,CR5,CR6,CR7,CARRY] in {
442  // Convenient aliases for call instructions
443  let Uses = [RM] in {
444    def BL_Darwin  : IForm<18, 0, 1,
445                           (outs), (ins calltarget:$func, variable_ops), 
446                           "bl $func", BrB, []>;  // See Pat patterns below.
447    def BLA_Darwin : IForm<18, 1, 1, 
448                          (outs), (ins aaddr:$func, variable_ops),
449                          "bla $func", BrB, [(PPCcall_Darwin (i32 imm:$func))]>;
450  }
451  let Uses = [CTR, RM] in {
452    def BCTRL_Darwin : XLForm_2_ext<19, 528, 20, 0, 1, 
453                                  (outs), (ins variable_ops),
454                                  "bctrl", BrB,
455                                  [(PPCbctrl_Darwin)]>, Requires<[In32BitMode]>;
456  }
457}
458
459// SVR4 ABI Calls.
460let isCall = 1, PPC970_Unit = 7, 
461  // All calls clobber the non-callee saved registers...
462  Defs = [R0,R3,R4,R5,R6,R7,R8,R9,R10,R11,R12,
463          F0,F1,F2,F3,F4,F5,F6,F7,F8,F9,F10,F11,F12,F13,
464          V0,V1,V2,V3,V4,V5,V6,V7,V8,V9,V10,V11,V12,V13,V14,V15,V16,V17,V18,V19,
465          LR,CTR,
466          CR0,CR1,CR5,CR6,CR7,CARRY] in {
467  // Convenient aliases for call instructions
468  let Uses = [RM] in {
469    def BL_SVR4  : IForm<18, 0, 1,
470                        (outs), (ins calltarget:$func, variable_ops), 
471                        "bl $func", BrB, []>;  // See Pat patterns below.
472    def BLA_SVR4 : IForm<18, 1, 1,
473                        (outs), (ins aaddr:$func, variable_ops),
474                        "bla $func", BrB,
475                        [(PPCcall_SVR4 (i32 imm:$func))]>;
476  }
477  let Uses = [CTR, RM] in {
478    def BCTRL_SVR4 : XLForm_2_ext<19, 528, 20, 0, 1,
479                                (outs), (ins variable_ops),
480                                "bctrl", BrB,
481                                [(PPCbctrl_SVR4)]>, Requires<[In32BitMode]>;
482  }
483}
484
485
486let isCall = 1, isTerminator = 1, isReturn = 1, isBarrier = 1, Uses = [RM] in
487def TCRETURNdi :Pseudo< (outs),
488                        (ins calltarget:$dst, i32imm:$offset, variable_ops),
489                 "#TC_RETURNd $dst $offset",
490                 []>;
491
492
493let isCall = 1, isTerminator = 1, isReturn = 1, isBarrier = 1, Uses = [RM] in
494def TCRETURNai :Pseudo<(outs), (ins aaddr:$func, i32imm:$offset, variable_ops),
495                 "#TC_RETURNa $func $offset",
496                 [(PPCtc_return (i32 imm:$func), imm:$offset)]>;
497
498let isCall = 1, isTerminator = 1, isReturn = 1, isBarrier = 1, Uses = [RM] in
499def TCRETURNri : Pseudo<(outs), (ins CTRRC:$dst, i32imm:$offset, variable_ops),
500                 "#TC_RETURNr $dst $offset",
501                 []>;
502
503
504let isTerminator = 1, isBarrier = 1, PPC970_Unit = 7, isBranch = 1,
505    isIndirectBranch = 1, isCall = 1, isReturn = 1, Uses = [CTR, RM]  in
506def TAILBCTR : XLForm_2_ext<19, 528, 20, 0, 0, (outs), (ins), "bctr", BrB, []>,
507     Requires<[In32BitMode]>;
508
509
510
511let isBranch = 1, isTerminator = 1, hasCtrlDep = 1, PPC970_Unit = 7,
512    isBarrier = 1, isCall = 1, isReturn = 1, Uses = [RM] in
513def TAILB   : IForm<18, 0, 0, (outs), (ins calltarget:$dst),
514                  "b $dst", BrB,
515                  []>;
516
517
518let isBranch = 1, isTerminator = 1, hasCtrlDep = 1, PPC970_Unit = 7,
519    isBarrier = 1, isCall = 1, isReturn = 1, Uses = [RM] in
520def TAILBA   : IForm<18, 0, 0, (outs), (ins aaddr:$dst),
521                  "ba $dst", BrB,
522                  []>;
523
524
525// DCB* instructions.
526def DCBA   : DCB_Form<758, 0, (outs), (ins memrr:$dst),
527                      "dcba $dst", LdStDCBF, [(int_ppc_dcba xoaddr:$dst)]>,
528                      PPC970_DGroup_Single;
529def DCBF   : DCB_Form<86, 0, (outs), (ins memrr:$dst),
530                      "dcbf $dst", LdStDCBF, [(int_ppc_dcbf xoaddr:$dst)]>,
531                      PPC970_DGroup_Single;
532def DCBI   : DCB_Form<470, 0, (outs), (ins memrr:$dst),
533                      "dcbi $dst", LdStDCBF, [(int_ppc_dcbi xoaddr:$dst)]>,
534                      PPC970_DGroup_Single;
535def DCBST  : DCB_Form<54, 0, (outs), (ins memrr:$dst),
536                      "dcbst $dst", LdStDCBF, [(int_ppc_dcbst xoaddr:$dst)]>,
537                      PPC970_DGroup_Single;
538def DCBT   : DCB_Form<278, 0, (outs), (ins memrr:$dst),
539                      "dcbt $dst", LdStDCBF, [(int_ppc_dcbt xoaddr:$dst)]>,
540                      PPC970_DGroup_Single;
541def DCBTST : DCB_Form<246, 0, (outs), (ins memrr:$dst),
542                      "dcbtst $dst", LdStDCBF, [(int_ppc_dcbtst xoaddr:$dst)]>,
543                      PPC970_DGroup_Single;
544def DCBZ   : DCB_Form<1014, 0, (outs), (ins memrr:$dst),
545                      "dcbz $dst", LdStDCBF, [(int_ppc_dcbz xoaddr:$dst)]>,
546                      PPC970_DGroup_Single;
547def DCBZL  : DCB_Form<1014, 1, (outs), (ins memrr:$dst),
548                      "dcbzl $dst", LdStDCBF, [(int_ppc_dcbzl xoaddr:$dst)]>,
549                      PPC970_DGroup_Single;
550
551// Atomic operations
552let usesCustomInserter = 1 in {
553  let Defs = [CR0] in {
554    def ATOMIC_LOAD_ADD_I8 : Pseudo<
555      (outs GPRC:$dst), (ins memrr:$ptr, GPRC:$incr), "",
556      [(set GPRC:$dst, (atomic_load_add_8 xoaddr:$ptr, GPRC:$incr))]>;
557    def ATOMIC_LOAD_SUB_I8 : Pseudo<
558      (outs GPRC:$dst), (ins memrr:$ptr, GPRC:$incr), "",
559      [(set GPRC:$dst, (atomic_load_sub_8 xoaddr:$ptr, GPRC:$incr))]>;
560    def ATOMIC_LOAD_AND_I8 : Pseudo<
561      (outs GPRC:$dst), (ins memrr:$ptr, GPRC:$incr), "",
562      [(set GPRC:$dst, (atomic_load_and_8 xoaddr:$ptr, GPRC:$incr))]>;
563    def ATOMIC_LOAD_OR_I8 : Pseudo<
564      (outs GPRC:$dst), (ins memrr:$ptr, GPRC:$incr), "",
565      [(set GPRC:$dst, (atomic_load_or_8 xoaddr:$ptr, GPRC:$incr))]>;
566    def ATOMIC_LOAD_XOR_I8 : Pseudo<
567      (outs GPRC:$dst), (ins memrr:$ptr, GPRC:$incr), "",
568      [(set GPRC:$dst, (atomic_load_xor_8 xoaddr:$ptr, GPRC:$incr))]>;
569    def ATOMIC_LOAD_NAND_I8 : Pseudo<
570      (outs GPRC:$dst), (ins memrr:$ptr, GPRC:$incr), "",
571      [(set GPRC:$dst, (atomic_load_nand_8 xoaddr:$ptr, GPRC:$incr))]>;
572    def ATOMIC_LOAD_ADD_I16 : Pseudo<
573      (outs GPRC:$dst), (ins memrr:$ptr, GPRC:$incr), "",
574      [(set GPRC:$dst, (atomic_load_add_16 xoaddr:$ptr, GPRC:$incr))]>;
575    def ATOMIC_LOAD_SUB_I16 : Pseudo<
576      (outs GPRC:$dst), (ins memrr:$ptr, GPRC:$incr), "",
577      [(set GPRC:$dst, (atomic_load_sub_16 xoaddr:$ptr, GPRC:$incr))]>;
578    def ATOMIC_LOAD_AND_I16 : Pseudo<
579      (outs GPRC:$dst), (ins memrr:$ptr, GPRC:$incr), "",
580      [(set GPRC:$dst, (atomic_load_and_16 xoaddr:$ptr, GPRC:$incr))]>;
581    def ATOMIC_LOAD_OR_I16 : Pseudo<
582      (outs GPRC:$dst), (ins memrr:$ptr, GPRC:$incr), "",
583      [(set GPRC:$dst, (atomic_load_or_16 xoaddr:$ptr, GPRC:$incr))]>;
584    def ATOMIC_LOAD_XOR_I16 : Pseudo<
585      (outs GPRC:$dst), (ins memrr:$ptr, GPRC:$incr), "",
586      [(set GPRC:$dst, (atomic_load_xor_16 xoaddr:$ptr, GPRC:$incr))]>;
587    def ATOMIC_LOAD_NAND_I16 : Pseudo<
588      (outs GPRC:$dst), (ins memrr:$ptr, GPRC:$incr), "",
589      [(set GPRC:$dst, (atomic_load_nand_16 xoaddr:$ptr, GPRC:$incr))]>;
590    def ATOMIC_LOAD_ADD_I32 : Pseudo<
591      (outs GPRC:$dst), (ins memrr:$ptr, GPRC:$incr), "",
592      [(set GPRC:$dst, (atomic_load_add_32 xoaddr:$ptr, GPRC:$incr))]>;
593    def ATOMIC_LOAD_SUB_I32 : Pseudo<
594      (outs GPRC:$dst), (ins memrr:$ptr, GPRC:$incr), "",
595      [(set GPRC:$dst, (atomic_load_sub_32 xoaddr:$ptr, GPRC:$incr))]>;
596    def ATOMIC_LOAD_AND_I32 : Pseudo<
597      (outs GPRC:$dst), (ins memrr:$ptr, GPRC:$incr), "",
598      [(set GPRC:$dst, (atomic_load_and_32 xoaddr:$ptr, GPRC:$incr))]>;
599    def ATOMIC_LOAD_OR_I32 : Pseudo<
600      (outs GPRC:$dst), (ins memrr:$ptr, GPRC:$incr), "",
601      [(set GPRC:$dst, (atomic_load_or_32 xoaddr:$ptr, GPRC:$incr))]>;
602    def ATOMIC_LOAD_XOR_I32 : Pseudo<
603      (outs GPRC:$dst), (ins memrr:$ptr, GPRC:$incr), "",
604      [(set GPRC:$dst, (atomic_load_xor_32 xoaddr:$ptr, GPRC:$incr))]>;
605    def ATOMIC_LOAD_NAND_I32 : Pseudo<
606      (outs GPRC:$dst), (ins memrr:$ptr, GPRC:$incr), "",
607      [(set GPRC:$dst, (atomic_load_nand_32 xoaddr:$ptr, GPRC:$incr))]>;
608
609    def ATOMIC_CMP_SWAP_I8 : Pseudo<
610      (outs GPRC:$dst), (ins memrr:$ptr, GPRC:$old, GPRC:$new), "",
611      [(set GPRC:$dst, 
612                    (atomic_cmp_swap_8 xoaddr:$ptr, GPRC:$old, GPRC:$new))]>;
613    def ATOMIC_CMP_SWAP_I16 : Pseudo<
614      (outs GPRC:$dst), (ins memrr:$ptr, GPRC:$old, GPRC:$new), "",
615      [(set GPRC:$dst, 
616                    (atomic_cmp_swap_16 xoaddr:$ptr, GPRC:$old, GPRC:$new))]>;
617    def ATOMIC_CMP_SWAP_I32 : Pseudo<
618      (outs GPRC:$dst), (ins memrr:$ptr, GPRC:$old, GPRC:$new), "",
619      [(set GPRC:$dst, 
620                    (atomic_cmp_swap_32 xoaddr:$ptr, GPRC:$old, GPRC:$new))]>;
621
622    def ATOMIC_SWAP_I8 : Pseudo<
623      (outs GPRC:$dst), (ins memrr:$ptr, GPRC:$new), "",
624      [(set GPRC:$dst, (atomic_swap_8 xoaddr:$ptr, GPRC:$new))]>;
625    def ATOMIC_SWAP_I16 : Pseudo<
626      (outs GPRC:$dst), (ins memrr:$ptr, GPRC:$new), "",
627      [(set GPRC:$dst, (atomic_swap_16 xoaddr:$ptr, GPRC:$new))]>;
628    def ATOMIC_SWAP_I32 : Pseudo<
629      (outs GPRC:$dst), (ins memrr:$ptr, GPRC:$new), "",
630      [(set GPRC:$dst, (atomic_swap_32 xoaddr:$ptr, GPRC:$new))]>;
631  }
632}
633
634// Instructions to support atomic operations
635def LWARX : XForm_1<31,  20, (outs GPRC:$rD), (ins memrr:$src),
636                   "lwarx $rD, $src", LdStLWARX,
637                   [(set GPRC:$rD, (PPClarx xoaddr:$src))]>;
638
639let Defs = [CR0] in
640def STWCX : XForm_1<31, 150, (outs), (ins GPRC:$rS, memrr:$dst),
641                   "stwcx. $rS, $dst", LdStSTWCX,
642                   [(PPCstcx GPRC:$rS, xoaddr:$dst)]>,
643                   isDOT;
644
645let isTerminator = 1, isBarrier = 1, hasCtrlDep = 1 in
646def TRAP  : XForm_24<31, 4, (outs), (ins), "trap", LdStGeneral, [(trap)]>;
647
648//===----------------------------------------------------------------------===//
649// PPC32 Load Instructions.
650//
651
652// Unindexed (r+i) Loads. 
653let canFoldAsLoad = 1, PPC970_Unit = 2 in {
654def LBZ : DForm_1<34, (outs GPRC:$rD), (ins memri:$src),
655                  "lbz $rD, $src", LdStGeneral,
656                  [(set GPRC:$rD, (zextloadi8 iaddr:$src))]>;
657def LHA : DForm_1<42, (outs GPRC:$rD), (ins memri:$src),
658                  "lha $rD, $src", LdStLHA,
659                  [(set GPRC:$rD, (sextloadi16 iaddr:$src))]>,
660                  PPC970_DGroup_Cracked;
661def LHZ : DForm_1<40, (outs GPRC:$rD), (ins memri:$src),
662                  "lhz $rD, $src", LdStGeneral,
663                  [(set GPRC:$rD, (zextloadi16 iaddr:$src))]>;
664def LWZ : DForm_1<32, (outs GPRC:$rD), (ins memri:$src),
665                  "lwz $rD, $src", LdStGeneral,
666                  [(set GPRC:$rD, (load iaddr:$src))]>;
667
668def LFS : DForm_1<48, (outs F4RC:$rD), (ins memri:$src),
669                  "lfs $rD, $src", LdStLFDU,
670                  [(set F4RC:$rD, (load iaddr:$src))]>;
671def LFD : DForm_1<50, (outs F8RC:$rD), (ins memri:$src),
672                  "lfd $rD, $src", LdStLFD,
673                  [(set F8RC:$rD, (load iaddr:$src))]>;
674
675
676// Unindexed (r+i) Loads with Update (preinc).
677let mayLoad = 1 in {
678def LBZU : DForm_1<35, (outs GPRC:$rD, ptr_rc:$ea_result), (ins memri:$addr),
679                   "lbzu $rD, $addr", LdStGeneral,
680                   []>, RegConstraint<"$addr.reg = $ea_result">,
681                   NoEncode<"$ea_result">;
682
683def LHAU : DForm_1<43, (outs GPRC:$rD, ptr_rc:$ea_result), (ins memri:$addr),
684                   "lhau $rD, $addr", LdStGeneral,
685                   []>, RegConstraint<"$addr.reg = $ea_result">,
686                   NoEncode<"$ea_result">;
687
688def LHZU : DForm_1<41, (outs GPRC:$rD, ptr_rc:$ea_result), (ins memri:$addr),
689                   "lhzu $rD, $addr", LdStGeneral,
690                   []>, RegConstraint<"$addr.reg = $ea_result">,
691                   NoEncode<"$ea_result">;
692
693def LWZU : DForm_1<33, (outs GPRC:$rD, ptr_rc:$ea_result), (ins memri:$addr),
694                   "lwzu $rD, $addr", LdStGeneral,
695                   []>, RegConstraint<"$addr.reg = $ea_result">,
696                   NoEncode<"$ea_result">;
697
698def LFSU : DForm_1<49, (outs F4RC:$rD, ptr_rc:$ea_result), (ins memri:$addr),
699                  "lfs $rD, $addr", LdStLFDU,
700                  []>, RegConstraint<"$addr.reg = $ea_result">,
701                   NoEncode<"$ea_result">;
702
703def LFDU : DForm_1<51, (outs F8RC:$rD, ptr_rc:$ea_result), (ins memri:$addr),
704                  "lfd $rD, $addr", LdStLFD,
705                  []>, RegConstraint<"$addr.reg = $ea_result">,
706                   NoEncode<"$ea_result">;
707}
708}
709
710// Indexed (r+r) Loads.
711//
712let canFoldAsLoad = 1, PPC970_Unit = 2 in {
713def LBZX : XForm_1<31,  87, (outs GPRC:$rD), (ins memrr:$src),
714                   "lbzx $rD, $src", LdStGeneral,
715                   [(set GPRC:$rD, (zextloadi8 xaddr:$src))]>;
716def LHAX : XForm_1<31, 343, (outs GPRC:$rD), (ins memrr:$src),
717                   "lhax $rD, $src", LdStLHA,
718                   [(set GPRC:$rD, (sextloadi16 xaddr:$src))]>,
719                   PPC970_DGroup_Cracked;
720def LHZX : XForm_1<31, 279, (outs GPRC:$rD), (ins memrr:$src),
721                   "lhzx $rD, $src", LdStGeneral,
722                   [(set GPRC:$rD, (zextloadi16 xaddr:$src))]>;
723def LWZX : XForm_1<31,  23, (outs GPRC:$rD), (ins memrr:$src),
724                   "lwzx $rD, $src", LdStGeneral,
725                   [(set GPRC:$rD, (load xaddr:$src))]>;
726                   
727                   
728def LHBRX : XForm_1<31, 790, (outs GPRC:$rD), (ins memrr:$src),
729                   "lhbrx $rD, $src", LdStGeneral,
730                   [(set GPRC:$rD, (PPClbrx xoaddr:$src, i16))]>;
731def LWBRX : XForm_1<31,  534, (outs GPRC:$rD), (ins memrr:$src),
732                   "lwbrx $rD, $src", LdStGeneral,
733                   [(set GPRC:$rD, (PPClbrx xoaddr:$src, i32))]>;
734
735def LFSX   : XForm_25<31, 535, (outs F4RC:$frD), (ins memrr:$src),
736                      "lfsx $frD, $src", LdStLFDU,
737                      [(set F4RC:$frD, (load xaddr:$src))]>;
738def LFDX   : XForm_25<31, 599, (outs F8RC:$frD), (ins memrr:$src),
739                      "lfdx $frD, $src", LdStLFDU,
740                      [(set F8RC:$frD, (load xaddr:$src))]>;
741}
742
743//===----------------------------------------------------------------------===//
744// PPC32 Store Instructions.
745//
746
747// Unindexed (r+i) Stores.
748let PPC970_Unit = 2 in {
749def STB  : DForm_1<38, (outs), (ins GPRC:$rS, memri:$src),
750                   "stb $rS, $src", LdStGeneral,
751                   [(truncstorei8 GPRC:$rS, iaddr:$src)]>;
752def STH  : DForm_1<44, (outs), (ins GPRC:$rS, memri:$src),
753                   "sth $rS, $src", LdStGeneral,
754                   [(truncstorei16 GPRC:$rS, iaddr:$src)]>;
755def STW  : DForm_1<36, (outs), (ins GPRC:$rS, memri:$src),
756                   "stw $rS, $src", LdStGeneral,
757                   [(store GPRC:$rS, iaddr:$src)]>;
758def STFS : DForm_1<52, (outs), (ins F4RC:$rS, memri:$dst),
759                   "stfs $rS, $dst", LdStUX,
760                   [(store F4RC:$rS, iaddr:$dst)]>;
761def STFD : DForm_1<54, (outs), (ins F8RC:$rS, memri:$dst),
762                   "stfd $rS, $dst", LdStUX,
763                   [(store F8RC:$rS, iaddr:$dst)]>;
764}
765
766// Unindexed (r+i) Stores with Update (preinc).
767let PPC970_Unit = 2 in {
768def STBU  : DForm_1a<39, (outs ptr_rc:$ea_res), (ins GPRC:$rS,
769                             symbolLo:$ptroff, ptr_rc:$ptrreg),
770                    "stbu $rS, $ptroff($ptrreg)", LdStGeneral,
771                    [(set ptr_rc:$ea_res,
772                          (pre_truncsti8 GPRC:$rS, ptr_rc:$ptrreg, 
773                                         iaddroff:$ptroff))]>,
774                    RegConstraint<"$ptrreg = $ea_res">, NoEncode<"$ea_res">;
775def STHU  : DForm_1a<45, (outs ptr_rc:$ea_res), (ins GPRC:$rS,
776                             symbolLo:$ptroff, ptr_rc:$ptrreg),
777                    "sthu $rS, $ptroff($ptrreg)", LdStGeneral,
778                    [(set ptr_rc:$ea_res,
779                        (pre_truncsti16 GPRC:$rS, ptr_rc:$ptrreg, 
780                                        iaddroff:$ptroff))]>,
781                    RegConstraint<"$ptrreg = $ea_res">, NoEncode<"$ea_res">;
782def STWU  : DForm_1a<37, (outs ptr_rc:$ea_res), (ins GPRC:$rS,
783                             symbolLo:$ptroff, ptr_rc:$ptrreg),
784                    "stwu $rS, $ptroff($ptrreg)", LdStGeneral,
785                    [(set ptr_rc:$ea_res, (pre_store GPRC:$rS, ptr_rc:$ptrreg, 
786                                                     iaddroff:$ptroff))]>,
787                    RegConstraint<"$ptrreg = $ea_res">, NoEncode<"$ea_res">;
788def STFSU : DForm_1a<37, (outs ptr_rc:$ea_res), (ins F4RC:$rS,
789                             symbolLo:$ptroff, ptr_rc:$ptrreg),
790                    "stfsu $rS, $ptroff($ptrreg)", LdStGeneral,
791                    [(set ptr_rc:$ea_res, (pre_store F4RC:$rS,  ptr_rc:$ptrreg, 
792                                          iaddroff:$ptroff))]>,
793                    RegConstraint<"$ptrreg = $ea_res">, NoEncode<"$ea_res">;
794def STFDU : DForm_1a<37, (outs ptr_rc:$ea_res), (ins F8RC:$rS,
795                             symbolLo:$ptroff, ptr_rc:$ptrreg),
796                    "stfdu $rS, $ptroff($ptrreg)", LdStGeneral,
797                    [(set ptr_rc:$ea_res, (pre_store F8RC:$rS, ptr_rc:$ptrreg, 
798                                          iaddroff:$ptroff))]>,
799                    RegConstraint<"$ptrreg = $ea_res">, NoEncode<"$ea_res">;
800}
801
802
803// Indexed (r+r) Stores.
804//
805let PPC970_Unit = 2 in {
806def STBX  : XForm_8<31, 215, (outs), (ins GPRC:$rS, memrr:$dst),
807                   "stbx $rS, $dst", LdStGeneral,
808                   [(truncstorei8 GPRC:$rS, xaddr:$dst)]>, 
809                   PPC970_DGroup_Cracked;
810def STHX  : XForm_8<31, 407, (outs), (ins GPRC:$rS, memrr:$dst),
811                   "sthx $rS, $dst", LdStGeneral,
812                   [(truncstorei16 GPRC:$rS, xaddr:$dst)]>, 
813                   PPC970_DGroup_Cracked;
814def STWX  : XForm_8<31, 151, (outs), (ins GPRC:$rS, memrr:$dst),
815                   "stwx $rS, $dst", LdStGeneral,
816                   [(store GPRC:$rS, xaddr:$dst)]>,
817                   PPC970_DGroup_Cracked;
818                   
819let mayStore = 1 in {
820def STWUX : XForm_8<31, 183, (outs), (ins GPRC:$rS, GPRC:$rA, GPRC:$rB),
821                   "stwux $rS, $rA, $rB", LdStGeneral,
822                   []>;
823}
824def STHBRX: XForm_8<31, 918, (outs), (ins GPRC:$rS, memrr:$dst),
825                   "sthbrx $rS, $dst", LdStGeneral,
826                   [(PPCstbrx GPRC:$rS, xoaddr:$dst, i16)]>, 
827                   PPC970_DGroup_Cracked;
828def STWBRX: XForm_8<31, 662, (outs), (ins GPRC:$rS, memrr:$dst),
829                   "stwbrx $rS, $dst", LdStGeneral,
830                   [(PPCstbrx GPRC:$rS, xoaddr:$dst, i32)]>,
831                   PPC970_DGroup_Cracked;
832
833def STFIWX: XForm_28<31, 983, (outs), (ins F8RC:$frS, memrr:$dst),
834                     "stfiwx $frS, $dst", LdStUX,
835                     [(PPCstfiwx F8RC:$frS, xoaddr:$dst)]>;
836                     
837def STFSX : XForm_28<31, 663, (outs), (ins F4RC:$frS, memrr:$dst),
838                     "stfsx $frS, $dst", LdStUX,
839                     [(store F4RC:$frS, xaddr:$dst)]>;
840def STFDX : XForm_28<31, 727, (outs), (ins F8RC:$frS, memrr:$dst),
841                     "stfdx $frS, $dst", LdStUX,
842                     [(store F8RC:$frS, xaddr:$dst)]>;
843}
844
845def SYNC : XForm_24_sync<31, 598, (outs), (ins),
846                        "sync", LdStSync,
847                        [(int_ppc_sync)]>;
848
849//===----------------------------------------------------------------------===//
850// PPC32 Arithmetic Instructions.
851//
852
853let PPC970_Unit = 1 in {  // FXU Operations.
854def ADDI   : DForm_2<14, (outs GPRC:$rD), (ins GPRC:$rA, s16imm:$imm),
855                     "addi $rD, $rA, $imm", IntGeneral,
856                     [(set GPRC:$rD, (add GPRC:$rA, immSExt16:$imm))]>;
857let Defs = [CARRY] in {
858def ADDIC  : DForm_2<12, (outs GPRC:$rD), (ins GPRC:$rA, s16imm:$imm),
859                     "addic $rD, $rA, $imm", IntGeneral,
860                     [(set GPRC:$rD, (addc GPRC:$rA, immSExt16:$imm))]>,
861                     PPC970_DGroup_Cracked;
862def ADDICo : DForm_2<13, (outs GPRC:$rD), (ins GPRC:$rA, s16imm:$imm),
863                     "addic. $rD, $rA, $imm", IntGeneral,
864                     []>;
865}
866def ADDIS  : DForm_2<15, (outs GPRC:$rD), (ins GPRC:$rA, symbolHi:$imm),
867                     "addis $rD, $rA, $imm", IntGeneral,
868                     [(set GPRC:$rD, (add GPRC:$rA, imm16ShiftedSExt:$imm))]>;
869def LA     : DForm_2<14, (outs GPRC:$rD), (ins GPRC:$rA, symbolLo:$sym),
870                     "la $rD, $sym($rA)", IntGeneral,
871                     [(set GPRC:$rD, (add GPRC:$rA,
872                                          (PPClo tglobaladdr:$sym, 0)))]>;
873def MULLI  : DForm_2< 7, (outs GPRC:$rD), (ins GPRC:$rA, s16imm:$imm),
874                     "mulli $rD, $rA, $imm", IntMulLI,
875                     [(set GPRC:$rD, (mul GPRC:$rA, immSExt16:$imm))]>;
876let Defs = [CARRY] in {
877def SUBFIC : DForm_2< 8, (outs GPRC:$rD), (ins GPRC:$rA, s16imm:$imm),
878                     "subfic $rD, $rA, $imm", IntGeneral,
879                     [(set GPRC:$rD, (subc immSExt16:$imm, GPRC:$rA))]>;
880}
881
882let isReMaterializable = 1 in {
883  def LI  : DForm_2_r0<14, (outs GPRC:$rD), (ins symbolLo:$imm),
884                       "li $rD, $imm", IntGeneral,
885                       [(set GPRC:$rD, immSExt16:$imm)]>;
886  def LIS : DForm_2_r0<15, (outs GPRC:$rD), (ins symbolHi:$imm),
887                       "lis $rD, $imm", IntGeneral,
888                       [(set GPRC:$rD, imm16ShiftedSExt:$imm)]>;
889}
890}
891
892let PPC970_Unit = 1 in {  // FXU Operations.
893def ANDIo : DForm_4<28, (outs GPRC:$dst), (ins GPRC:$src1, u16imm:$src2),
894                    "andi. $dst, $src1, $src2", IntGeneral,
895                    [(set GPRC:$dst, (and GPRC:$src1, immZExt16:$src2))]>,
896                    isDOT;
897def ANDISo : DForm_4<29, (outs GPRC:$dst), (ins GPRC:$src1, u16imm:$src2),
898                    "andis. $dst, $src1, $src2", IntGeneral,
899                    [(set GPRC:$dst, (and GPRC:$src1,imm16ShiftedZExt:$src2))]>,
900                    isDOT;
901def ORI   : DForm_4<24, (outs GPRC:$dst), (ins GPRC:$src1, u16imm:$src2),
902                    "ori $dst, $src1, $src2", IntGeneral,
903                    [(set GPRC:$dst, (or GPRC:$src1, immZExt16:$src2))]>;
904def ORIS  : DForm_4<25, (outs GPRC:$dst), (ins GPRC:$src1, u16imm:$src2),
905                    "oris $dst, $src1, $src2", IntGeneral,
906                    [(set GPRC:$dst, (or GPRC:$src1, imm16ShiftedZExt:$src2))]>;
907def XORI  : DForm_4<26, (outs GPRC:$dst), (ins GPRC:$src1, u16imm:$src2),
908                    "xori $dst, $src1, $src2", IntGeneral,
909                    [(set GPRC:$dst, (xor GPRC:$src1, immZExt16:$src2))]>;
910def XORIS : DForm_4<27, (outs GPRC:$dst), (ins GPRC:$src1, u16imm:$src2),
911                    "xoris $dst, $src1, $src2", IntGeneral,
912                    [(set GPRC:$dst, (xor GPRC:$src1,imm16ShiftedZExt:$src2))]>;
913def NOP   : DForm_4_zero<24, (outs), (ins), "nop", IntGeneral,
914                         []>;
915def CMPWI : DForm_5_ext<11, (outs CRRC:$crD), (ins GPRC:$rA, s16imm:$imm),
916                        "cmpwi $crD, $rA, $imm", IntCompare>;
917def CMPLWI : DForm_6_ext<10, (outs CRRC:$dst), (ins GPRC:$src1, u16imm:$src2),
918                         "cmplwi $dst, $src1, $src2", IntCompare>;
919}
920
921
922let PPC970_Unit = 1 in {  // FXU Operations.
923def NAND : XForm_6<31, 476, (outs GPRC:$rA), (ins GPRC:$rS, GPRC:$rB),
924                   "nand $rA, $rS, $rB", IntGeneral,
925                   [(set GPRC:$rA, (not (and GPRC:$rS, GPRC:$rB)))]>;
926def AND  : XForm_6<31,  28, (outs GPRC:$rA), (ins GPRC:$rS, GPRC:$rB),
927                   "and $rA, $rS, $rB", IntGeneral,
928                   [(set GPRC:$rA, (and GPRC:$rS, GPRC:$rB))]>;
929def ANDC : XForm_6<31,  60, (outs GPRC:$rA), (ins GPRC:$rS, GPRC:$rB),
930                   "andc $rA, $rS, $rB", IntGeneral,
931                   [(set GPRC:$rA, (and GPRC:$rS, (not GPRC:$rB)))]>;
932def OR   : XForm_6<31, 444, (outs GPRC:$rA), (ins GPRC:$rS, GPRC:$rB),
933                   "or $rA, $rS, $rB", IntGeneral,
934                   [(set GPRC:$rA, (or GPRC:$rS, GPRC:$rB))]>;
935def NOR  : XForm_6<31, 124, (outs GPRC:$rA), (ins GPRC:$rS, GPRC:$rB),
936                   "nor $rA, $rS, $rB", IntGeneral,
937                   [(set GPRC:$rA, (not (or GPRC:$rS, GPRC:$rB)))]>;
938def ORC  : XForm_6<31, 412, (outs GPRC:$rA), (ins GPRC:$rS, GPRC:$rB),
939                   "orc $rA, $rS, $rB", IntGeneral,
940                   [(set GPRC:$rA, (or GPRC:$rS, (not GPRC:$rB)))]>;
941def EQV  : XForm_6<31, 284, (outs GPRC:$rA), (ins GPRC:$rS, GPRC:$rB),
942                   "eqv $rA, $rS, $rB", IntGeneral,
943                   [(set GPRC:$rA, (not (xor GPRC:$rS, GPRC:$rB)))]>;
944def XOR  : XForm_6<31, 316, (outs GPRC:$rA), (ins GPRC:$rS, GPRC:$rB),
945                   "xor $rA, $rS, $rB", IntGeneral,
946                   [(set GPRC:$rA, (xor GPRC:$rS, GPRC:$rB))]>;
947def SLW  : XForm_6<31,  24, (outs GPRC:$rA), (ins GPRC:$rS, GPRC:$rB),
948                   "slw $rA, $rS, $rB", IntGeneral,
949                   [(set GPRC:$rA, (PPCshl GPRC:$rS, GPRC:$rB))]>;
950def SRW  : XForm_6<31, 536, (outs GPRC:$rA), (ins GPRC:$rS, GPRC:$rB),
951                   "srw $rA, $rS, $rB", IntGeneral,
952                   [(set GPRC:$rA, (PPCsrl GPRC:$rS, GPRC:$rB))]>;
953let Defs = [CARRY] in {
954def SRAW : XForm_6<31, 792, (outs GPRC:$rA), (ins GPRC:$rS, GPRC:$rB),
955                   "sraw $rA, $rS, $rB", IntShift,
956                   [(set GPRC:$rA, (PPCsra GPRC:$rS, GPRC:$rB))]>;
957}
958}
959
960let PPC970_Unit = 1 in {  // FXU Operations.
961let Defs = [CARRY] in {
962def SRAWI : XForm_10<31, 824, (outs GPRC:$rA), (ins GPRC:$rS, u5imm:$SH), 
963                     "srawi $rA, $rS, $SH", IntShift,
964                     [(set GPRC:$rA, (sra GPRC:$rS, (i32 imm:$SH)))]>;
965}
966def CNTLZW : XForm_11<31,  26, (outs GPRC:$rA), (ins GPRC:$rS),
967                      "cntlzw $rA, $rS", IntGeneral,
968                      [(set GPRC:$rA, (ctlz GPRC:$rS))]>;
969def EXTSB  : XForm_11<31, 954, (outs GPRC:$rA), (ins GPRC:$rS),
970                      "extsb $rA, $rS", IntGeneral,
971                      [(set GPRC:$rA, (sext_inreg GPRC:$rS, i8))]>;
972def EXTSH  : XForm_11<31, 922, (outs GPRC:$rA), (ins GPRC:$rS),
973                      "extsh $rA, $rS", IntGeneral,
974                      [(set GPRC:$rA, (sext_inreg GPRC:$rS, i16))]>;
975
976def CMPW   : XForm_16_ext<31, 0, (outs CRRC:$crD), (ins GPRC:$rA, GPRC:$rB),
977                          "cmpw $crD, $rA, $rB", IntCompare>;
978def CMPLW  : XForm_16_ext<31, 32, (outs CRRC:$crD), (ins GPRC:$rA, GPRC:$rB),
979                          "cmplw $crD, $rA, $rB", IntCompare>;
980}
981let PPC970_Unit = 3 in {  // FPU Operations.
982//def FCMPO  : XForm_17<63, 32, (outs CRRC:$crD), (ins FPRC:$fA, FPRC:$fB),
983//                      "fcmpo $crD, $fA, $fB", FPCompare>;
984def FCMPUS : XForm_17<63, 0, (outs CRRC:$crD), (ins F4RC:$fA, F4RC:$fB),
985                      "fcmpu $crD, $fA, $fB", FPCompare>;
986def FCMPUD : XForm_17<63, 0, (outs CRRC:$crD), (ins F8RC:$fA, F8RC:$fB),
987                      "fcmpu $crD, $fA, $fB", FPCompare>;
988
989let Uses = [RM] in {
990  def FCTIWZ : XForm_26<63, 15, (outs F8RC:$frD), (ins F8RC:$frB),
991                        "fctiwz $frD, $frB", FPGeneral,
992                        [(set F8RC:$frD, (PPCfctiwz F8RC:$frB))]>;
993  def FRSP   : XForm_26<63, 12, (outs F4RC:$frD), (ins F8RC:$frB),
994                        "frsp $frD, $frB", FPGeneral,
995                        [(set F4RC:$frD, (fround F8RC:$frB))]>;
996  def FSQRT  : XForm_26<63, 22, (outs F8RC:$frD), (ins F8RC:$frB),
997                        "fsqrt $frD, $frB", FPSqrt,
998                        [(set F8RC:$frD, (fsqrt F8RC:$frB))]>;
999  def FSQRTS : XForm_26<59, 22, (outs F4RC:$frD), (ins F4RC:$frB),
1000                        "fsqrts $frD, $frB", FPSqrt,
1001                        [(set F4RC:$frD, (fsqrt F4RC:$frB))]>;
1002  }
1003}
1004
1005/// Note that FMR is defined as pseudo-ops on the PPC970 because they are
1006/// often coalesced away and we don't want the dispatch group builder to think
1007/// that they will fill slots (which could cause the load of a LSU reject to
1008/// sneak into a d-group with a store).
1009def FMR   : XForm_26<63, 72, (outs F4RC:$frD), (ins F4RC:$frB),
1010                     "fmr $frD, $frB", FPGeneral,
1011                     []>,  // (set F4RC:$frD, F4RC:$frB)
1012                     PPC970_Unit_Pseudo;
1013
1014let PPC970_Unit = 3 in {  // FPU Operations.
1015// These are artificially split into two different forms, for 4/8 byte FP.
1016def FABSS  : XForm_26<63, 264, (outs F4RC:$frD), (ins F4RC:$frB),
1017                      "fabs $frD, $frB", FPGeneral,
1018                      [(set F4RC:$frD, (fabs F4RC:$frB))]>;
1019def FABSD  : XForm_26<63, 264, (outs F8RC:$frD), (ins F8RC:$frB),
1020                      "fabs $frD, $frB", FPGeneral,
1021                      [(set F8RC:$frD, (fabs F8RC:$frB))]>;
1022def FNABSS : XForm_26<63, 136, (outs F4RC:$frD), (ins F4RC:$frB),
1023                      "fnabs $frD, $frB", FPGeneral,
1024                      [(set F4RC:$frD, (fneg (fabs F4RC:$frB)))]>;
1025def FNABSD : XForm_26<63, 136, (outs F8RC:$frD), (ins F8RC:$frB),
1026                      "fnabs $frD, $frB", FPGeneral,
1027                      [(set F8RC:$frD, (fneg (fabs F8RC:$frB)))]>;
1028def FNEGS  : XForm_26<63, 40, (outs F4RC:$frD), (ins F4RC:$frB),
1029                      "fneg $frD, $frB", FPGeneral,
1030                      [(set F4RC:$frD, (fneg F4RC:$frB))]>;
1031def FNEGD  : XForm_26<63, 40, (outs F8RC:$frD), (ins F8RC:$frB),
1032                      "fneg $frD, $frB", FPGeneral,
1033                      [(set F8RC:$frD, (fneg F8RC:$frB))]>;
1034}
1035                      
1036
1037// XL-Form instructions.  condition register logical ops.
1038//
1039def MCRF   : XLForm_3<19, 0, (outs CRRC:$BF), (ins CRRC:$BFA),
1040                      "mcrf $BF, $BFA", BrMCR>,
1041             PPC970_DGroup_First, PPC970_Unit_CRU;
1042
1043def CREQV  : XLForm_1<19, 289, (outs CRBITRC:$CRD),
1044                               (ins CRBITRC:$CRA, CRBITRC:$CRB),
1045                      "creqv $CRD, $CRA, $CRB", BrCR,
1046                      []>;
1047
1048def CROR  : XLForm_1<19, 449, (outs CRBITRC:$CRD),
1049                               (ins CRBITRC:$CRA, CRBITRC:$CRB),
1050                      "cror $CRD, $CRA, $CRB", BrCR,
1051                      []>;
1052
1053def CRSET  : XLForm_1_ext<19, 289, (outs CRBITRC:$dst), (ins),
1054              "creqv $dst, $dst, $dst", BrCR,
1055              []>;
1056
1057// XFX-Form instructions.  Instructions that deal with SPRs.
1058//
1059let Uses = [CTR] in {
1060def MFCTR : XFXForm_1_ext<31, 339, 9, (outs GPRC:$rT), (ins),
1061                          "mfctr $rT", SprMFSPR>,
1062            PPC970_DGroup_First, PPC970_Unit_FXU;
1063}
1064let Defs = [CTR], Pattern = [(PPCmtctr GPRC:$rS)] in {
1065def MTCTR : XFXForm_7_ext<31, 467, 9, (outs), (ins GPRC:$rS),
1066                          "mtctr $rS", SprMTSPR>,
1067            PPC970_DGroup_First, PPC970_Unit_FXU;
1068}
1069
1070let Defs = [LR] in {
1071def MTLR  : XFXForm_7_ext<31, 467, 8, (outs), (ins GPRC:$rS),
1072                          "mtlr $rS", SprMTSPR>,
1073            PPC970_DGroup_First, PPC970_Unit_FXU;
1074}
1075let Uses = [LR] in {
1076def MFLR  : XFXForm_1_ext<31, 339, 8, (outs GPRC:$rT), (ins),
1077                          "mflr $rT", SprMFSPR>,
1078            PPC970_DGroup_First, PPC970_Unit_FXU;
1079}
1080
1081// Move to/from VRSAVE: despite being a SPR, the VRSAVE register is renamed like
1082// a GPR on the PPC970.  As such, copies in and out have the same performance
1083// characteristics as an OR instruction.
1084def MTVRSAVE : XFXForm_7_ext<31, 467, 256, (outs), (ins GPRC:$rS),
1085                             "mtspr 256, $rS", IntGeneral>,
1086               PPC970_DGroup_Single, PPC970_Unit_FXU;
1087def MFVRSAVE : XFXForm_1_ext<31, 339, 256, (outs GPRC:$rT), (ins),
1088                             "mfspr $rT, 256", IntGeneral>,
1089               PPC970_DGroup_First, PPC970_Unit_FXU;
1090
1091def MTCRF : XFXForm_5<31, 144, (outs), (ins crbitm:$FXM, GPRC:$rS),
1092                      "mtcrf $FXM, $rS", BrMCRX>,
1093            PPC970_MicroCode, PPC970_Unit_CRU;
1094
1095// This is a pseudo for MFCR, which implicitly uses all 8 of its subregisters;
1096// declaring that here gives the local register allocator problems with this:
1097//  vreg = MCRF  CR0
1098//  MFCR  <kill of whatever preg got assigned to vreg>
1099// while not declaring it breaks DeadMachineInstructionElimination.
1100// As it turns out, in all cases where we currently use this,
1101// we're only interested in one subregister of it.  Represent this in the
1102// instruction to keep the register allocator from becoming confused.
1103//
1104// FIXME: Make this a real Pseudo instruction when the JIT switches to MC.
1105def MFCRpseud: XFXForm_3<31, 19, (outs GPRC:$rT), (ins crbitm:$FXM),
1106                       "", SprMFCR>,
1107            PPC970_MicroCode, PPC970_Unit_CRU;
1108            
1109def MFCR : XFXForm_3<31, 19, (outs GPRC:$rT), (ins),
1110                     "mfcr $rT", SprMFCR>,
1111                     PPC970_MicroCode, PPC970_Unit_CRU;
1112
1113def MFOCRF: XFXForm_5a<31, 19, (outs GPRC:$rT), (ins crbitm:$FXM),
1114                       "mfcr $rT, $FXM", SprMFCR>,
1115            PPC970_DGroup_First, PPC970_Unit_CRU;
1116
1117// Instructions to manipulate FPSCR.  Only long double handling uses these.
1118// FPSCR is not modelled; we use the SDNode Flag to keep things in order.
1119
1120let Uses = [RM], Defs = [RM] in { 
1121  def MTFSB0 : XForm_43<63, 70, (outs), (ins u5imm:$FM),
1122                         "mtfsb0 $FM", IntMTFSB0,
1123                        [(PPCmtfsb0 (i32 imm:$FM))]>,
1124               PPC970_DGroup_Single, PPC970_Unit_FPU;
1125  def MTFSB1 : XForm_43<63, 38, (outs), (ins u5imm:$FM),
1126                         "mtfsb1 $FM", IntMTFSB0,
1127                        [(PPCmtfsb1 (i32 imm:$FM))]>,
1128               PPC970_DGroup_Single, PPC970_Unit_FPU;
1129  // MTFSF does not actually produce an FP result.  We pretend it copies
1130  // input reg B to the output.  If we didn't do this it would look like the
1131  // instruction had no outputs (because we aren't modelling the FPSCR) and
1132  // it would be deleted.
1133  def MTFSF  : XFLForm<63, 711, (outs F8RC:$FRA),
1134                                (ins i32imm:$FM, F8RC:$rT, F8RC:$FRB),
1135                         "mtfsf $FM, $rT", "$FRB = $FRA", IntMTFSB0,
1136                         [(set F8RC:$FRA, (PPCmtfsf (i32 imm:$FM), 
1137                                                     F8RC:$rT, F8RC:$FRB))]>,
1138               PPC970_DGroup_Single, PPC970_Unit_FPU;
1139}
1140let Uses = [RM] in {
1141  def MFFS   : XForm_42<63, 583, (outs F8RC:$rT), (ins), 
1142                         "mffs $rT", IntMFFS,
1143                         [(set F8RC:$rT, (PPCmffs))]>,
1144               PPC970_DGroup_Single, PPC970_Unit_FPU;
1145  def FADDrtz: AForm_2<63, 21,
1146                      (outs F8RC:$FRT), (ins F8RC:$FRA, F8RC:$FRB),
1147                      "fadd $FRT, $FRA, $FRB", FPGeneral,
1148                      [(set F8RC:$FRT, (PPCfaddrtz F8RC:$FRA, F8RC:$FRB))]>,
1149               PPC970_DGroup_Single, PPC970_Unit_FPU;
1150}
1151
1152
1153let PPC970_Unit = 1 in {  // FXU Operations.
1154
1155// XO-Form instructions.  Arithmetic instructions that can set overflow bit
1156//
1157def ADD4  : XOForm_1<31, 266, 0, (outs GPRC:$rT), (ins GPRC:$rA, GPRC:$rB),
1158                     "add $rT, $rA, $rB", IntGeneral,
1159                     [(set GPRC:$rT, (add GPRC:$rA, GPRC:$rB))]>;
1160let Defs = [CARRY] in {
1161def ADDC  : XOForm_1<31, 10, 0, (outs GPRC:$rT), (ins GPRC:$rA, GPRC:$rB),
1162                     "addc $rT, $rA, $rB", IntGeneral,
1163                     [(set GPRC:$rT, (addc GPRC:$rA, GPRC:$rB))]>,
1164                     PPC970_DGroup_Cracked;
1165}
1166def DIVW  : XOForm_1<31, 491, 0, (outs GPRC:$rT), (ins GPRC:$rA, GPRC:$rB),
1167                     "divw $rT, $rA, $rB", IntDivW,
1168                     [(set GPRC:$rT, (sdiv GPRC:$rA, GPRC:$rB))]>,
1169                     PPC970_DGroup_First, PPC970_DGroup_Cracked;
1170def DIVWU : XOForm_1<31, 459, 0, (outs GPRC:$rT), (ins GPRC:$rA, GPRC:$rB),
1171                     "divwu $rT, $rA, $rB", IntDivW,
1172                     [(set GPRC:$rT, (udiv GPRC:$rA, GPRC:$rB))]>,
1173                     PPC970_DGroup_First, PPC970_DGroup_Cracked;
1174def MULHW : XOForm_1<31, 75, 0, (outs GPRC:$rT), (ins GPRC:$rA, GPRC:$rB),
1175                     "mulhw $rT, $rA, $rB", IntMulHW,
1176                     [(set GPRC:$rT, (mulhs GPRC:$rA, GPRC:$rB))]>;
1177def MULHWU : XOForm_1<31, 11, 0, (outs GPRC:$rT), (ins GPRC:$rA, GPRC:$rB),
1178                     "mulhwu $rT, $rA, $rB", IntMulHWU,
1179                     [(set GPRC:$rT, (mulhu GPRC:$rA, GPRC:$rB))]>;
1180def MULLW : XOForm_1<31, 235, 0, (outs GPRC:$rT), (ins GPRC:$rA, GPRC:$rB),
1181                     "mullw $rT, $rA, $rB", IntMulHW,
1182                     [(set GPRC:$rT, (mul GPRC:$rA, GPRC:$rB))]>;
1183def SUBF  : XOForm_1<31, 40, 0, (outs GPRC:$rT), (ins GPRC:$rA, GPRC:$rB),
1184                     "subf $rT, $rA, $rB", IntGeneral,
1185                     [(set GPRC:$rT, (sub GPRC:$rB, GPRC:$rA))]>;
1186let Defs = [CARRY] in {
1187def SUBFC : XOForm_1<31, 8, 0, (outs GPRC:$rT), (ins GPRC:$rA, GPRC:$rB),
1188                     "subfc $rT, $rA, $rB", IntGeneral,
1189                     [(set GPRC:$rT, (subc GPRC:$rB, GPRC:$rA))]>,
1190                     PPC970_DGroup_Cracked;
1191}
1192def NEG    : XOForm_3<31, 104, 0, (outs GPRC:$rT), (ins GPRC:$rA),
1193                      "neg $rT, $rA", IntGeneral,
1194                      [(set GPRC:$rT, (ineg GPRC:$rA))]>;
1195let Uses = [CARRY], Defs = [CARRY] in {
1196def ADDE  : XOForm_1<31, 138, 0, (outs GPRC:$rT), (ins GPRC:$rA, GPRC:$rB),
1197                      "adde $rT, $rA, $rB", IntGeneral,
1198                      [(set GPRC:$rT, (adde GPRC:$rA, GPRC:$rB))]>;
1199def ADDME  : XOForm_3<31, 234, 0, (outs GPRC:$rT), (ins GPRC:$rA),
1200                      "addme $rT, $rA", IntGeneral,
1201                      [(set GPRC:$rT, (adde GPRC:$rA, -1))]>;
1202def ADDZE  : XOForm_3<31, 202, 0, (outs GPRC:$rT), (ins GPRC:$rA),
1203                      "addze $rT, $rA", IntGeneral,
1204                      [(set GPRC:$rT, (adde GPRC:$rA, 0))]>;
1205def SUBFE : XOForm_1<31, 136, 0, (outs GPRC:$rT), (ins GPRC:$rA, GPRC:$rB),
1206                      "subfe $rT, $rA, $rB", IntGeneral,
1207                      [(set GPRC:$rT, (sube GPRC:$rB, GPRC:$rA))]>;
1208def SUBFME : XOForm_3<31, 232, 0, (outs GPRC:$rT), (ins GPRC:$rA),
1209                      "subfme $rT, $rA", IntGeneral,
1210                      [(set GPRC:$rT, (sube -1, GPRC:$rA))]>;
1211def SUBFZE : XOForm_3<31, 200, 0, (outs GPRC:$rT), (ins GPRC:$rA),
1212                      "subfze $rT, $rA", IntGeneral,
1213                      [(set GPRC:$rT, (sube 0, GPRC:$rA))]>;
1214}
1215}
1216
1217// A-Form instructions.  Most of the instructions executed in the FPU are of
1218// this type.
1219//
1220let PPC970_Unit = 3 in {  // FPU Operations.
1221let Uses = [RM] in {
1222  def FMADD : AForm_1<63, 29, 
1223                      (outs F8RC:$FRT), (ins F8RC:$FRA, F8RC:$FRC, F8RC:$FRB),
1224                      "fmadd $FRT, $FRA, $FRC, $FRB", FPFused,
1225                      [(set F8RC:$FRT, (fadd (fmul F8RC:$FRA, F8RC:$FRC),
1226                                             F8RC:$FRB))]>,
1227                      Requires<[FPContractions]>;
1228  def FMADDS : AForm_1<59, 29,
1229                      (outs F4RC:$FRT), (ins F4RC:$FRA, F4RC:$FRC, F4RC:$FRB),
1230                      "fmadds $FRT, $FRA, $FRC, $FRB", FPGeneral,
1231                      [(set F4RC:$FRT, (fadd (fmul F4RC:$FRA, F4RC:$FRC),
1232                                             F4RC:$FRB))]>,
1233                      Requires<[FPContractions]>;
1234  def FMSUB : AForm_1<63, 28,
1235                      (outs F8RC:$FRT), (ins F8RC:$FRA, F8RC:$FRC, F8RC:$FRB),
1236                      "fmsub $FRT, $FRA, $FRC, $FRB", FPFused,
1237                      [(set F8RC:$FRT, (fsub (fmul F8RC:$FRA, F8RC:$FRC),
1238                                             F8RC:$FRB))]>,
1239                      Requires<[FPContractions]>;
1240  def FMSUBS : AForm_1<59, 28,
1241                      (outs F4RC:$FRT), (ins F4RC:$FRA, F4RC:$FRC, F4RC:$FRB),
1242                      "fmsubs $FRT, $FRA, $FRC, $FRB", FPGeneral,
1243                      [(set F4RC:$FRT, (fsub (fmul F4RC:$FRA, F4RC:$FRC),
1244                                             F4RC:$FRB))]>,
1245                      Requires<[FPContractions]>;
1246  def FNMADD : AForm_1<63, 31,
1247                      (outs F8RC:$FRT), (ins F8RC:$FRA, F8RC:$FRC, F8RC:$FRB),
1248                      "fnmadd $FRT, $FRA, $FRC, $FRB", FPFused,
1249                      [(set F8RC:$FRT, (fneg (fadd (fmul F8RC:$FRA, F8RC:$FRC),
1250                                                   F8RC:$FRB)))]>,
1251                      Requires<[FPContractions]>;
1252  def FNMADDS : AForm_1<59, 31,
1253                      (outs F4RC:$FRT), (ins F4RC:$FRA, F4RC:$FRC, F4RC:$FRB),
1254                      "fnmadds $FRT, $FRA, $FRC, $FRB", FPGeneral,
1255                      [(set F4RC:$FRT, (fneg (fadd (fmul F4RC:$FRA, F4RC:$FRC),
1256                                                   F4RC:$FRB)))]>,
1257                      Requires<[FPContractions]>;
1258  def FNMSUB : AForm_1<63, 30,
1259                      (outs F8RC:$FRT), (ins F8RC:$FRA, F8RC:$FRC, F8RC:$FRB),
1260                      "fnmsub $FRT, $FRA, $FRC, $FRB", FPFused,
1261                      [(set F8RC:$FRT, (fneg (fsub (fmul F8RC:$FRA, F8RC:$FRC),
1262                                                   F8RC:$FRB)))]>,
1263                      Requires<[FPContractions]>;
1264  def FNMSUBS : AForm_1<59, 30,
1265                      (outs F4RC:$FRT), (ins F4RC:$FRA, F4RC:$FRC, F4RC:$FRB),
1266                      "fnmsubs $FRT, $FRA, $FRC, $FRB", FPGeneral,
1267                      [(set F4RC:$FRT, (fneg (fsub (fmul F4RC:$FRA, F4RC:$FRC),
1268                                                   F4RC:$FRB)))]>,
1269                      Requires<[FPContractions]>;
1270}
1271// FSEL is artificially split into 4 and 8-byte forms for the result.  To avoid
1272// having 4 of these, force the comparison to always be an 8-byte double (code
1273// should use an FMRSD if the input comparison value really wants to be a float)
1274// and 4/8 byte forms for the result and operand type..
1275def FSELD : AForm_1<63, 23,
1276                    (outs F8RC:$FRT), (ins F8RC:$FRA, F8RC:$FRC, F8RC:$FRB),
1277                    "fsel $FRT, $FRA, $FRC, $FRB", FPGeneral,
1278                    [(set F8RC:$FRT, (PPCfsel F8RC:$FRA,F8RC:$FRC,F8RC:$FRB))]>;
1279def FSELS : AForm_1<63, 23,
1280                     (outs F4RC:$FRT), (ins F8RC:$FRA, F4RC:$FRC, F4RC:$FRB),
1281                     "fsel $FRT, $FRA, $FRC, $FRB", FPGeneral,
1282                    [(set F4RC:$FRT, (PPCfsel F8RC:$FRA,F4RC:$FRC,F4RC:$FRB))]>;
1283let Uses = [RM] in {
1284  def FADD  : AForm_2<63, 21,
1285                      (outs F8RC:$FRT), (ins F8RC:$FRA, F8RC:$FRB),
1286                      "fadd $FRT, $FRA, $FRB", FPGeneral,
1287                      [(set F8RC:$FRT, (fadd F8RC:$FRA, F8RC:$FRB))]>;
1288  def FADDS : AForm_2<59, 21,
1289                      (outs F4RC:$FRT), (ins F4RC:$FRA, F4RC:$FRB),
1290                      "fadds $FRT, $FRA, $FRB", FPGeneral,
1291                      [(set F4RC:$FRT, (fadd F4RC:$FRA, F4RC:$FRB))]>;
1292  def FDIV  : AForm_2<63, 18,
1293                      (outs F8RC:$FRT), (ins F8RC:$FRA, F8RC:$FRB),
1294                      "fdiv $FRT, $FRA, $FRB", FPDivD,
1295                      [(set F8RC:$FRT, (fdiv F8RC:$FRA, F8RC:$FRB))]>;
1296  def FDIVS : AForm_2<59, 18,
1297                      (outs F4RC:$FRT), (ins F4RC:$FRA, F4RC:$FRB),
1298                      "fdivs $FRT, $FRA, $FRB", FPDivS,
1299                      [(set F4RC:$FRT, (fdiv F4RC:$FRA, F4RC:$FRB))]>;
1300  def FMUL  : AForm_3<63, 25,
1301                      (outs F8RC:$FRT), (ins F8RC:$FRA, F8RC:$FRB),
1302                      "fmul $FRT, $FRA, $FRB", FPFused,
1303                      [(set F8RC:$FRT, (fmul F8RC:$FRA, F8RC:$FRB))]>;
1304  def FMULS : AForm_3<59, 25,
1305                      (outs F4RC:$FRT), (ins F4RC:$FRA, F4RC:$FRB),
1306                      "fmuls $FRT, $FRA, $FRB", FPGeneral,
1307                      [(set F4RC:$FRT, (fmul F4RC:$FRA, F4RC:$FRB))]>;
1308  def FSUB  : AForm_2<63, 20,
1309                      (outs F8RC:$FRT), (ins F8RC:$FRA, F8RC:$FRB),
1310                      "fsub $FRT, $FRA, $FRB", FPGeneral,
1311                      [(set F8RC:$FRT, (fsub F8RC:$FRA, F8RC:$FRB))]>;
1312  def FSUBS : AForm_2<59, 20,
1313                      (outs F4RC:$FRT), (ins F4RC:$FRA, F4RC:$FRB),
1314                      "fsubs $FRT, $FRA, $FRB", FPGeneral,
1315                      [(set F4RC:$FRT, (fsub F4RC:$FRA, F4RC:$FRB))]>;
1316  }
1317}
1318
1319let PPC970_Unit = 1 in {  // FXU Operations.
1320// M-Form instructions.  rotate and mask instructions.
1321//
1322let isCommutable = 1 in {
1323// RLWIMI can be commuted if the rotate amount is zero.
1324def RLWIMI : MForm_2<20,
1325                     (outs GPRC:$rA), (ins GPRC:$rSi, GPRC:$rS, u5imm:$SH, u5imm:$MB, 
1326                      u5imm:$ME), "rlwimi $rA, $rS, $SH, $MB, $ME", IntRotate,
1327                      []>, PPC970_DGroup_Cracked, RegConstraint<"$rSi = $rA">,
1328                      NoEncode<"$rSi">;
1329}
1330def RLWINM : MForm_2<21,
1331                     (outs GPRC:$rA), (ins GPRC:$rS, u5imm:$SH, u5imm:$MB, u5imm:$ME),
1332                     "rlwinm $rA, $rS, $SH, $MB, $ME", IntGeneral,
1333                     []>;
1334def RLWINMo : MForm_2<21,
1335                     (outs GPRC:$rA), (ins GPRC:$rS, u5imm:$SH, u5imm:$MB, u5imm:$ME),
1336                     "rlwinm. $rA, $rS, $SH, $MB, $ME", IntGeneral,
1337                     []>, isDOT, PPC970_DGroup_Cracked;
1338def RLWNM  : MForm_2<23,
1339                     (outs GPRC:$rA), (ins GPRC:$rS, GPRC:$rB, u5imm:$MB, u5imm:$ME),
1340                     "rlwnm $rA, $rS, $rB, $MB, $ME", IntGeneral,
1341                     []>;
1342}
1343
1344
1345//===----------------------------------------------------------------------===//
1346// PowerPC Instruction Patterns
1347//
1348
1349// Arbitrary immediate support.  Implement in terms of LIS/ORI.
1350def : Pat<(i32 imm:$imm),
1351          (ORI (LIS (HI16 imm:$imm)), (LO16 imm:$imm))>;
1352
1353// Implement the 'not' operation with the NOR instruction.
1354def NOT : Pat<(not GPRC:$in),
1355              (NOR GPRC:$in, GPRC:$in)>;
1356
1357// ADD an arbitrary immediate.
1358def : Pat<(add GPRC:$in, imm:$imm),
1359          (ADDIS (ADDI GPRC:$in, (LO16 imm:$imm)), (HA16 imm:$imm))>;
1360// OR an arbitrary immediate.
1361def : Pat<(or GPRC:$in, imm:$imm),
1362          (ORIS (ORI GPRC:$in, (LO16 imm:$imm)), (HI16 imm:$imm))>;
1363// XOR an arbitrary immediate.
1364def : Pat<(xor GPRC:$in, imm:$imm),
1365          (XORIS (XORI GPRC:$in, (LO16 imm:$imm)), (HI16 imm:$imm))>;
1366// SUBFIC
1367def : Pat<(sub  immSExt16:$imm, GPRC:$in),
1368          (SUBFIC GPRC:$in, imm:$imm)>;
1369
1370// SHL/SRL
1371def : Pat<(shl GPRC:$in, (i32 imm:$imm)),
1372          (RLWINM GPRC:$in, imm:$imm, 0, (SHL32 imm:$imm))>;
1373def : Pat<(srl GPRC:$in, (i32 imm:$imm)),
1374          (RLWINM GPRC:$in, (SRL32 imm:$imm), imm:$imm, 31)>;
1375
1376// ROTL
1377def : Pat<(rotl GPRC:$in, GPRC:$sh),
1378          (RLWNM GPRC:$in, GPRC:$sh, 0, 31)>;
1379def : Pat<(rotl GPRC:$in, (i32 imm:$imm)),
1380          (RLWINM GPRC:$in, imm:$imm, 0, 31)>;
1381
1382// RLWNM
1383def : Pat<(and (rotl GPRC:$in, GPRC:$sh), maskimm32:$imm),
1384          (RLWNM GPRC:$in, GPRC:$sh, (MB maskimm32:$imm), (ME maskimm32:$imm))>;
1385
1386// Calls
1387def : Pat<(PPCcall_Darwin (i32 tglobaladdr:$dst)),
1388          (BL_Darwin tglobaladdr:$dst)>;
1389def : Pat<(PPCcall_Darwin (i32 texternalsym:$dst)),
1390          (BL_Darwin texternalsym:$dst)>;
1391def : Pat<(PPCcall_SVR4 (i32 tglobaladdr:$dst)),
1392          (BL_SVR4 tglobaladdr:$dst)>;
1393def : Pat<(PPCcall_SVR4 (i32 texternalsym:$dst)),
1394          (BL_SVR4 texternalsym:$dst)>;
1395
1396
1397def : Pat<(PPCtc_return (i32 tglobaladdr:$dst),  imm:$imm),
1398          (TCRETURNdi tglobaladdr:$dst, imm:$imm)>;
1399
1400def : Pat<(PPCtc_return (i32 texternalsym:$dst), imm:$imm),
1401          (TCRETURNdi texternalsym:$dst, imm:$imm)>;
1402
1403def : Pat<(PPCtc_return CTRRC:$dst, imm:$imm),
1404          (TCRETURNri CTRRC:$dst, imm:$imm)>;
1405
1406
1407
1408// Hi and Lo for Darwin Global Addresses.
1409def : Pat<(PPChi tglobaladdr:$in, 0), (LIS tglobaladdr:$in)>;
1410def : Pat<(PPClo tglobaladdr:$in, 0), (LI tglobaladdr:$in)>;
1411def : Pat<(PPChi tconstpool:$in, 0), (LIS tconstpool:$in)>;
1412def : Pat<(PPClo tconstpool:$in, 0), (LI tconstpool:$in)>;
1413def : Pat<(PPChi tjumptable:$in, 0), (LIS tjumptable:$in)>;
1414def : Pat<(PPClo tjumptable:$in, 0), (LI tjumptable:$in)>;
1415def : Pat<(PPChi tblockaddress:$in, 0), (LIS tblockaddress:$in)>;
1416def : Pat<(PPClo tblockaddress:$in, 0), (LI tblockaddress:$in)>;
1417def : Pat<(add GPRC:$in, (PPChi tglobaladdr:$g, 0)),
1418          (ADDIS GPRC:$in, tglobaladdr:$g)>;
1419def : Pat<(add GPRC:$in, (PPChi tconstpool:$g, 0)),
1420          (ADDIS GPRC:$in, tconstpool:$g)>;
1421def : Pat<(add GPRC:$in, (PPChi tjumptable:$g, 0)),
1422          (ADDIS GPRC:$in, tjumptable:$g)>;
1423def : Pat<(add GPRC:$in, (PPChi tblockaddress:$g, 0)),
1424          (ADDIS GPRC:$in, tblockaddress:$g)>;
1425
1426// Fused negative multiply subtract, alternate pattern
1427def : Pat<(fsub F8RC:$B, (fmul F8RC:$A, F8RC:$C)),
1428          (FNMSUB F8RC:$A, F8RC:$C, F8RC:$B)>,
1429          Requires<[FPContractions]>;
1430def : Pat<(fsub F4RC:$B, (fmul F4RC:$A, F4RC:$C)),
1431          (FNMSUBS F4RC:$A, F4RC:$C, F4RC:$B)>,
1432          Requires<[FPContractions]>;
1433
1434// Standard shifts.  These are represented separately from the real shifts above
1435// so that we can distinguish between shifts that allow 5-bit and 6-bit shift
1436// amounts.
1437def : Pat<(sra GPRC:$rS, GPRC:$rB),
1438          (SRAW GPRC:$rS, GPRC:$rB)>;
1439def : Pat<(srl GPRC:$rS, GPRC:$rB),
1440          (SRW GPRC:$rS, GPRC:$rB)>;
1441def : Pat<(shl GPRC:$rS, GPRC:$rB),
1442          (SLW GPRC:$rS, GPRC:$rB)>;
1443
1444def : Pat<(zextloadi1 iaddr:$src),
1445          (LBZ iaddr:$src)>;
1446def : Pat<(zextloadi1 xaddr:$src),
1447          (LBZX xaddr:$src)>;
1448def : Pat<(extloadi1 iaddr:$src),
1449          (LBZ iaddr:$src)>;
1450def : Pat<(extloadi1 xaddr:$src),
1451          (LBZX xaddr:$src)>;
1452def : Pat<(extloadi8 iaddr:$src),
1453          (LBZ iaddr:$src)>;
1454def : Pat<(extloadi8 xaddr:$src),
1455          (LBZX xaddr:$src)>;
1456def : Pat<(extloadi16 iaddr:$src),
1457          (LHZ iaddr:$src)>;
1458def : Pat<(extloadi16 xaddr:$src),
1459          (LHZX xaddr:$src)>;
1460def : Pat<(f64 (extloadf32 iaddr:$src)),
1461          (COPY_TO_REGCLASS (LFS iaddr:$src), F8RC)>;
1462def : Pat<(f64 (extloadf32 xaddr:$src)),
1463          (COPY_TO_REGCLASS (LFSX xaddr:$src), F8RC)>;
1464
1465def : Pat<(f64 (fextend F4RC:$src)),
1466          (COPY_TO_REGCLASS F4RC:$src, F8RC)>;
1467
1468// Memory barriers
1469def : Pat<(membarrier (i32 imm /*ll*/),
1470                      (i32 imm /*ls*/),
1471                      (i32 imm /*sl*/),
1472                      (i32 imm /*ss*/),
1473                      (i32 imm /*device*/)),
1474           (SYNC)>;
1475
1476include "PPCInstrAltivec.td"
1477include "PPCInstr64Bit.td"
1478