1 //===- PPCInstrInfo.td - The PowerPC Instruction Set -------*- tablegen -*-===//
3 // The LLVM Compiler Infrastructure
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
8 //===----------------------------------------------------------------------===//
10 // This file describes the subset of the 32-bit PowerPC instruction set, as used
11 // by the PowerPC instruction selector.
13 //===----------------------------------------------------------------------===//
15 include "PPCInstrFormats.td"
17 //===----------------------------------------------------------------------===//
18 // PowerPC specific type constraints.
20 def SDT_PPCstfiwx : SDTypeProfile<0, 2, [ // stfiwx
21 SDTCisVT<0, f64>, SDTCisPtrTy<1>
23 def SDT_PPCCallSeqStart : SDCallSeqStart<[ SDTCisVT<0, i32> ]>;
24 def SDT_PPCCallSeqEnd : SDCallSeqEnd<[ SDTCisVT<0, i32>,
26 def SDT_PPCvperm : SDTypeProfile<1, 3, [
27 SDTCisVT<3, v16i8>, SDTCisSameAs<0, 1>, SDTCisSameAs<0, 2>
30 def SDT_PPCvcmp : SDTypeProfile<1, 3, [
31 SDTCisSameAs<0, 1>, SDTCisSameAs<1, 2>, SDTCisVT<3, i32>
34 def SDT_PPCcondbr : SDTypeProfile<0, 3, [
35 SDTCisVT<0, i32>, SDTCisVT<2, OtherVT>
38 def SDT_PPClbrx : SDTypeProfile<1, 3, [
39 SDTCisVT<0, i32>, SDTCisPtrTy<1>, SDTCisVT<2, OtherVT>, SDTCisVT<3, OtherVT>
41 def SDT_PPCstbrx : SDTypeProfile<0, 4, [
42 SDTCisVT<0, i32>, SDTCisPtrTy<1>, SDTCisVT<2, OtherVT>, SDTCisVT<3, OtherVT>
45 //===----------------------------------------------------------------------===//
46 // PowerPC specific DAG Nodes.
49 def PPCfcfid : SDNode<"PPCISD::FCFID" , SDTFPUnaryOp, []>;
50 def PPCfctidz : SDNode<"PPCISD::FCTIDZ", SDTFPUnaryOp, []>;
51 def PPCfctiwz : SDNode<"PPCISD::FCTIWZ", SDTFPUnaryOp, []>;
52 def PPCstfiwx : SDNode<"PPCISD::STFIWX", SDT_PPCstfiwx,
53 [SDNPHasChain, SDNPMayStore]>;
55 // This sequence is used for long double->int conversions. It changes the
56 // bits in the FPSCR which is not modelled.
57 def PPCmffs : SDNode<"PPCISD::MFFS", SDTypeProfile<1, 0, [SDTCisVT<0, f64>]>,
59 def PPCmtfsb0 : SDNode<"PPCISD::MTFSB0", SDTypeProfile<0, 1, [SDTCisInt<0>]>,
60 [SDNPInFlag, SDNPOutFlag]>;
61 def PPCmtfsb1 : SDNode<"PPCISD::MTFSB1", SDTypeProfile<0, 1, [SDTCisInt<0>]>,
62 [SDNPInFlag, SDNPOutFlag]>;
63 def PPCfaddrtz: SDNode<"PPCISD::FADDRTZ", SDTFPBinOp,
64 [SDNPInFlag, SDNPOutFlag]>;
65 def PPCmtfsf : SDNode<"PPCISD::MTFSF", SDTypeProfile<1, 3,
66 [SDTCisVT<0, f64>, SDTCisInt<1>, SDTCisVT<2, f64>,
70 def PPCfsel : SDNode<"PPCISD::FSEL",
71 // Type constraint for fsel.
72 SDTypeProfile<1, 3, [SDTCisSameAs<0, 2>, SDTCisSameAs<0, 3>,
73 SDTCisFP<0>, SDTCisVT<1, f64>]>, []>;
75 def PPChi : SDNode<"PPCISD::Hi", SDTIntBinOp, []>;
76 def PPClo : SDNode<"PPCISD::Lo", SDTIntBinOp, []>;
77 def PPCvmaddfp : SDNode<"PPCISD::VMADDFP", SDTFPTernaryOp, []>;
78 def PPCvnmsubfp : SDNode<"PPCISD::VNMSUBFP", SDTFPTernaryOp, []>;
80 def PPCvperm : SDNode<"PPCISD::VPERM", SDT_PPCvperm, []>;
82 // These nodes represent the 32-bit PPC shifts that operate on 6-bit shift
83 // amounts. These nodes are generated by the multi-precision shift code.
84 def PPCsrl : SDNode<"PPCISD::SRL" , SDTIntBinOp>;
85 def PPCsra : SDNode<"PPCISD::SRA" , SDTIntBinOp>;
86 def PPCshl : SDNode<"PPCISD::SHL" , SDTIntBinOp>;
88 def PPCextsw_32 : SDNode<"PPCISD::EXTSW_32" , SDTIntUnaryOp>;
89 def PPCstd_32 : SDNode<"PPCISD::STD_32" , SDTStore,
90 [SDNPHasChain, SDNPMayStore]>;
92 // These are target-independent nodes, but have target-specific formats.
93 def callseq_start : SDNode<"ISD::CALLSEQ_START", SDT_PPCCallSeqStart,
94 [SDNPHasChain, SDNPOutFlag]>;
95 def callseq_end : SDNode<"ISD::CALLSEQ_END", SDT_PPCCallSeqEnd,
96 [SDNPHasChain, SDNPOptInFlag, SDNPOutFlag]>;
98 def SDT_PPCCall : SDTypeProfile<0, -1, [SDTCisInt<0>]>;
99 def PPCcall_Macho : SDNode<"PPCISD::CALL_Macho", SDT_PPCCall,
100 [SDNPHasChain, SDNPOptInFlag, SDNPOutFlag]>;
101 def PPCcall_ELF : SDNode<"PPCISD::CALL_ELF", SDT_PPCCall,
102 [SDNPHasChain, SDNPOptInFlag, SDNPOutFlag]>;
103 def PPCmtctr : SDNode<"PPCISD::MTCTR", SDT_PPCCall,
104 [SDNPHasChain, SDNPOptInFlag, SDNPOutFlag]>;
105 def PPCbctrl_Macho : SDNode<"PPCISD::BCTRL_Macho", SDTNone,
106 [SDNPHasChain, SDNPOptInFlag, SDNPOutFlag]>;
108 def PPCbctrl_ELF : SDNode<"PPCISD::BCTRL_ELF", SDTNone,
109 [SDNPHasChain, SDNPOptInFlag, SDNPOutFlag]>;
111 def retflag : SDNode<"PPCISD::RET_FLAG", SDTNone,
112 [SDNPHasChain, SDNPOptInFlag]>;
114 def PPCvcmp : SDNode<"PPCISD::VCMP" , SDT_PPCvcmp, []>;
115 def PPCvcmp_o : SDNode<"PPCISD::VCMPo", SDT_PPCvcmp, [SDNPOutFlag]>;
117 def PPCcondbranch : SDNode<"PPCISD::COND_BRANCH", SDT_PPCcondbr,
118 [SDNPHasChain, SDNPOptInFlag]>;
120 def PPClbrx : SDNode<"PPCISD::LBRX", SDT_PPClbrx,
121 [SDNPHasChain, SDNPMayLoad]>;
122 def PPCstbrx : SDNode<"PPCISD::STBRX", SDT_PPCstbrx,
123 [SDNPHasChain, SDNPMayStore]>;
125 // Instructions to support dynamic alloca.
126 def SDTDynOp : SDTypeProfile<1, 2, []>;
127 def PPCdynalloc : SDNode<"PPCISD::DYNALLOC", SDTDynOp, [SDNPHasChain]>;
129 //===----------------------------------------------------------------------===//
130 // PowerPC specific transformation functions and pattern fragments.
133 def SHL32 : SDNodeXForm<imm, [{
134 // Transformation function: 31 - imm
135 return getI32Imm(31 - N->getValue());
138 def SRL32 : SDNodeXForm<imm, [{
139 // Transformation function: 32 - imm
140 return N->getValue() ? getI32Imm(32 - N->getValue()) : getI32Imm(0);
143 def LO16 : SDNodeXForm<imm, [{
144 // Transformation function: get the low 16 bits.
145 return getI32Imm((unsigned short)N->getValue());
148 def HI16 : SDNodeXForm<imm, [{
149 // Transformation function: shift the immediate value down into the low bits.
150 return getI32Imm((unsigned)N->getValue() >> 16);
153 def HA16 : SDNodeXForm<imm, [{
154 // Transformation function: shift the immediate value down into the low bits.
155 signed int Val = N->getValue();
156 return getI32Imm((Val - (signed short)Val) >> 16);
158 def MB : SDNodeXForm<imm, [{
159 // Transformation function: get the start bit of a mask
161 (void)isRunOfOnes((unsigned)N->getValue(), mb, me);
162 return getI32Imm(mb);
165 def ME : SDNodeXForm<imm, [{
166 // Transformation function: get the end bit of a mask
168 (void)isRunOfOnes((unsigned)N->getValue(), mb, me);
169 return getI32Imm(me);
171 def maskimm32 : PatLeaf<(imm), [{
172 // maskImm predicate - True if immediate is a run of ones.
174 if (N->getValueType(0) == MVT::i32)
175 return isRunOfOnes((unsigned)N->getValue(), mb, me);
180 def immSExt16 : PatLeaf<(imm), [{
181 // immSExt16 predicate - True if the immediate fits in a 16-bit sign extended
182 // field. Used by instructions like 'addi'.
183 if (N->getValueType(0) == MVT::i32)
184 return (int32_t)N->getValue() == (short)N->getValue();
186 return (int64_t)N->getValue() == (short)N->getValue();
188 def immZExt16 : PatLeaf<(imm), [{
189 // immZExt16 predicate - True if the immediate fits in a 16-bit zero extended
190 // field. Used by instructions like 'ori'.
191 return (uint64_t)N->getValue() == (unsigned short)N->getValue();
194 // imm16Shifted* - These match immediates where the low 16-bits are zero. There
195 // are two forms: imm16ShiftedSExt and imm16ShiftedZExt. These two forms are
196 // identical in 32-bit mode, but in 64-bit mode, they return true if the
197 // immediate fits into a sign/zero extended 32-bit immediate (with the low bits
199 def imm16ShiftedZExt : PatLeaf<(imm), [{
200 // imm16ShiftedZExt predicate - True if only bits in the top 16-bits of the
201 // immediate are set. Used by instructions like 'xoris'.
202 return (N->getValue() & ~uint64_t(0xFFFF0000)) == 0;
205 def imm16ShiftedSExt : PatLeaf<(imm), [{
206 // imm16ShiftedSExt predicate - True if only bits in the top 16-bits of the
207 // immediate are set. Used by instructions like 'addis'. Identical to
208 // imm16ShiftedZExt in 32-bit mode.
209 if (N->getValue() & 0xFFFF) return false;
210 if (N->getValueType(0) == MVT::i32)
212 // For 64-bit, make sure it is sext right.
213 return N->getValue() == (uint64_t)(int)N->getValue();
217 //===----------------------------------------------------------------------===//
218 // PowerPC Flag Definitions.
220 class isPPC64 { bit PPC64 = 1; }
222 list<Register> Defs = [CR0];
226 class RegConstraint<string C> {
227 string Constraints = C;
229 class NoEncode<string E> {
230 string DisableEncoding = E;
234 //===----------------------------------------------------------------------===//
235 // PowerPC Operand Definitions.
237 def s5imm : Operand<i32> {
238 let PrintMethod = "printS5ImmOperand";
240 def u5imm : Operand<i32> {
241 let PrintMethod = "printU5ImmOperand";
243 def u6imm : Operand<i32> {
244 let PrintMethod = "printU6ImmOperand";
246 def s16imm : Operand<i32> {
247 let PrintMethod = "printS16ImmOperand";
249 def u16imm : Operand<i32> {
250 let PrintMethod = "printU16ImmOperand";
252 def s16immX4 : Operand<i32> { // Multiply imm by 4 before printing.
253 let PrintMethod = "printS16X4ImmOperand";
255 def target : Operand<OtherVT> {
256 let PrintMethod = "printBranchOperand";
258 def calltarget : Operand<iPTR> {
259 let PrintMethod = "printCallOperand";
261 def aaddr : Operand<iPTR> {
262 let PrintMethod = "printAbsAddrOperand";
264 def piclabel: Operand<iPTR> {
265 let PrintMethod = "printPICLabel";
267 def symbolHi: Operand<i32> {
268 let PrintMethod = "printSymbolHi";
270 def symbolLo: Operand<i32> {
271 let PrintMethod = "printSymbolLo";
273 def crbitm: Operand<i8> {
274 let PrintMethod = "printcrbitm";
277 def memri : Operand<iPTR> {
278 let PrintMethod = "printMemRegImm";
279 let MIOperandInfo = (ops i32imm:$imm, ptr_rc:$reg);
281 def memrr : Operand<iPTR> {
282 let PrintMethod = "printMemRegReg";
283 let MIOperandInfo = (ops ptr_rc, ptr_rc);
285 def memrix : Operand<iPTR> { // memri where the imm is shifted 2 bits.
286 let PrintMethod = "printMemRegImmShifted";
287 let MIOperandInfo = (ops i32imm:$imm, ptr_rc:$reg);
290 // PowerPC Predicate operand. 20 = (0<<5)|20 = always, CR0 is a dummy reg
291 // that doesn't matter.
292 def pred : PredicateOperand<OtherVT, (ops imm, CRRC),
293 (ops (i32 20), (i32 zero_reg))> {
294 let PrintMethod = "printPredicateOperand";
297 // Define PowerPC specific addressing mode.
298 def iaddr : ComplexPattern<iPTR, 2, "SelectAddrImm", [], []>;
299 def xaddr : ComplexPattern<iPTR, 2, "SelectAddrIdx", [], []>;
300 def xoaddr : ComplexPattern<iPTR, 2, "SelectAddrIdxOnly",[], []>;
301 def ixaddr : ComplexPattern<iPTR, 2, "SelectAddrImmShift", [], []>; // "std"
303 /// This is just the offset part of iaddr, used for preinc.
304 def iaddroff : ComplexPattern<iPTR, 1, "SelectAddrImmOffs", [], []>;
306 //===----------------------------------------------------------------------===//
307 // PowerPC Instruction Predicate Definitions.
308 def FPContractions : Predicate<"!NoExcessFPPrecision">;
309 def In32BitMode : Predicate<"!PPCSubTarget.isPPC64()">;
310 def In64BitMode : Predicate<"PPCSubTarget.isPPC64()">;
313 //===----------------------------------------------------------------------===//
314 // PowerPC Instruction Definitions.
316 // Pseudo-instructions:
318 let hasCtrlDep = 1 in {
319 let Defs = [R1], Uses = [R1] in {
320 def ADJCALLSTACKDOWN : Pseudo<(outs), (ins u16imm:$amt),
321 "${:comment} ADJCALLSTACKDOWN",
322 [(callseq_start imm:$amt)]>;
323 def ADJCALLSTACKUP : Pseudo<(outs), (ins u16imm:$amt1, u16imm:$amt2),
324 "${:comment} ADJCALLSTACKUP",
325 [(callseq_end imm:$amt1, imm:$amt2)]>;
328 def UPDATE_VRSAVE : Pseudo<(outs GPRC:$rD), (ins GPRC:$rS),
329 "UPDATE_VRSAVE $rD, $rS", []>;
332 let Defs = [R1], Uses = [R1] in
333 def DYNALLOC : Pseudo<(outs GPRC:$result), (ins GPRC:$negsize, memri:$fpsi),
334 "${:comment} DYNALLOC $result, $negsize, $fpsi",
336 (PPCdynalloc GPRC:$negsize, iaddr:$fpsi))]>;
338 let isImplicitDef = 1 in {
339 def IMPLICIT_DEF_GPRC: Pseudo<(outs GPRC:$rD), (ins),
340 "${:comment}IMPLICIT_DEF_GPRC $rD",
341 [(set GPRC:$rD, (undef))]>;
342 def IMPLICIT_DEF_F8 : Pseudo<(outs F8RC:$rD), (ins),
343 "${:comment} IMPLICIT_DEF_F8 $rD",
344 [(set F8RC:$rD, (undef))]>;
345 def IMPLICIT_DEF_F4 : Pseudo<(outs F4RC:$rD), (ins),
346 "${:comment} IMPLICIT_DEF_F4 $rD",
347 [(set F4RC:$rD, (undef))]>;
350 // SELECT_CC_* - Used to implement the SELECT_CC DAG operation. Expanded by the
351 // scheduler into a branch sequence.
352 let usesCustomDAGSchedInserter = 1, // Expanded by the scheduler.
353 PPC970_Single = 1 in {
354 def SELECT_CC_I4 : Pseudo<(outs GPRC:$dst), (ins CRRC:$cond, GPRC:$T, GPRC:$F,
355 i32imm:$BROPC), "${:comment} SELECT_CC PSEUDO!",
357 def SELECT_CC_I8 : Pseudo<(outs G8RC:$dst), (ins CRRC:$cond, G8RC:$T, G8RC:$F,
358 i32imm:$BROPC), "${:comment} SELECT_CC PSEUDO!",
360 def SELECT_CC_F4 : Pseudo<(outs F4RC:$dst), (ins CRRC:$cond, F4RC:$T, F4RC:$F,
361 i32imm:$BROPC), "${:comment} SELECT_CC PSEUDO!",
363 def SELECT_CC_F8 : Pseudo<(outs F8RC:$dst), (ins CRRC:$cond, F8RC:$T, F8RC:$F,
364 i32imm:$BROPC), "${:comment} SELECT_CC PSEUDO!",
366 def SELECT_CC_VRRC: Pseudo<(outs VRRC:$dst), (ins CRRC:$cond, VRRC:$T, VRRC:$F,
367 i32imm:$BROPC), "${:comment} SELECT_CC PSEUDO!",
371 // SPILL_CR - Indicate that we're dumping the CR register, so we'll need to
372 // scavenge a register for it.
373 def SPILL_CR : Pseudo<(outs), (ins GPRC:$cond, memri:$F),
374 "${:comment} SPILL_CR $cond $F", []>;
376 let isTerminator = 1, isBarrier = 1, PPC970_Unit = 7 in {
378 def BLR : XLForm_2_br<19, 16, 0, (outs), (ins pred:$p),
379 "b${p:cc}lr ${p:reg}", BrB,
381 let isBranch = 1, isIndirectBranch = 1 in
382 def BCTR : XLForm_2_ext<19, 528, 20, 0, 0, (outs), (ins), "bctr", BrB, []>;
386 def MovePCtoLR : Pseudo<(outs), (ins piclabel:$label), "bl $label", []>,
389 let isBranch = 1, isTerminator = 1, hasCtrlDep = 1, PPC970_Unit = 7 in {
390 let isBarrier = 1 in {
391 def B : IForm<18, 0, 0, (outs), (ins target:$dst),
396 // BCC represents an arbitrary conditional branch on a predicate.
397 // FIXME: should be able to write a pattern for PPCcondbranch, but can't use
398 // a two-value operand where a dag node expects two operands. :(
399 def BCC : BForm<16, 0, 0, (outs), (ins pred:$cond, target:$dst),
400 "b${cond:cc} ${cond:reg}, $dst"
401 /*[(PPCcondbranch CRRC:$crS, imm:$opc, bb:$dst)]*/>;
405 let isCall = 1, PPC970_Unit = 7,
406 // All calls clobber the non-callee saved registers...
407 Defs = [R0,R2,R3,R4,R5,R6,R7,R8,R9,R10,R11,R12,
408 F0,F1,F2,F3,F4,F5,F6,F7,F8,F9,F10,F11,F12,F13,
409 V0,V1,V2,V3,V4,V5,V6,V7,V8,V9,V10,V11,V12,V13,V14,V15,V16,V17,V18,V19,
411 CR0,CR1,CR5,CR6,CR7] in {
412 // Convenient aliases for call instructions
413 def BL_Macho : IForm<18, 0, 1,
414 (outs), (ins calltarget:$func, variable_ops),
415 "bl $func", BrB, []>; // See Pat patterns below.
416 def BLA_Macho : IForm<18, 1, 1,
417 (outs), (ins aaddr:$func, variable_ops),
418 "bla $func", BrB, [(PPCcall_Macho (i32 imm:$func))]>;
419 def BCTRL_Macho : XLForm_2_ext<19, 528, 20, 0, 1,
420 (outs), (ins variable_ops),
422 [(PPCbctrl_Macho)]>, Requires<[In32BitMode]>;
426 let isCall = 1, PPC970_Unit = 7,
427 // All calls clobber the non-callee saved registers...
428 Defs = [R0,R2,R3,R4,R5,R6,R7,R8,R9,R10,R11,R12,
429 F0,F1,F2,F3,F4,F5,F6,F7,F8,
430 V0,V1,V2,V3,V4,V5,V6,V7,V8,V9,V10,V11,V12,V13,V14,V15,V16,V17,V18,V19,
432 CR0,CR1,CR5,CR6,CR7] in {
433 // Convenient aliases for call instructions
434 def BL_ELF : IForm<18, 0, 1,
435 (outs), (ins calltarget:$func, variable_ops),
436 "bl $func", BrB, []>; // See Pat patterns below.
437 def BLA_ELF : IForm<18, 1, 1,
438 (outs), (ins aaddr:$func, variable_ops),
440 [(PPCcall_ELF (i32 imm:$func))]>;
441 def BCTRL_ELF : XLForm_2_ext<19, 528, 20, 0, 1,
442 (outs), (ins variable_ops),
444 [(PPCbctrl_ELF)]>, Requires<[In32BitMode]>;
447 // DCB* instructions.
448 def DCBA : DCB_Form<758, 0, (outs), (ins memrr:$dst),
449 "dcba $dst", LdStDCBF, [(int_ppc_dcba xoaddr:$dst)]>,
450 PPC970_DGroup_Single;
451 def DCBF : DCB_Form<86, 0, (outs), (ins memrr:$dst),
452 "dcbf $dst", LdStDCBF, [(int_ppc_dcbf xoaddr:$dst)]>,
453 PPC970_DGroup_Single;
454 def DCBI : DCB_Form<470, 0, (outs), (ins memrr:$dst),
455 "dcbi $dst", LdStDCBF, [(int_ppc_dcbi xoaddr:$dst)]>,
456 PPC970_DGroup_Single;
457 def DCBST : DCB_Form<54, 0, (outs), (ins memrr:$dst),
458 "dcbst $dst", LdStDCBF, [(int_ppc_dcbst xoaddr:$dst)]>,
459 PPC970_DGroup_Single;
460 def DCBT : DCB_Form<278, 0, (outs), (ins memrr:$dst),
461 "dcbt $dst", LdStDCBF, [(int_ppc_dcbt xoaddr:$dst)]>,
462 PPC970_DGroup_Single;
463 def DCBTST : DCB_Form<246, 0, (outs), (ins memrr:$dst),
464 "dcbtst $dst", LdStDCBF, [(int_ppc_dcbtst xoaddr:$dst)]>,
465 PPC970_DGroup_Single;
466 def DCBZ : DCB_Form<1014, 0, (outs), (ins memrr:$dst),
467 "dcbz $dst", LdStDCBF, [(int_ppc_dcbz xoaddr:$dst)]>,
468 PPC970_DGroup_Single;
469 def DCBZL : DCB_Form<1014, 1, (outs), (ins memrr:$dst),
470 "dcbzl $dst", LdStDCBF, [(int_ppc_dcbzl xoaddr:$dst)]>,
471 PPC970_DGroup_Single;
473 //===----------------------------------------------------------------------===//
474 // PPC32 Load Instructions.
477 // Unindexed (r+i) Loads.
478 let isSimpleLoad = 1, PPC970_Unit = 2 in {
479 def LBZ : DForm_1<34, (outs GPRC:$rD), (ins memri:$src),
480 "lbz $rD, $src", LdStGeneral,
481 [(set GPRC:$rD, (zextloadi8 iaddr:$src))]>;
482 def LHA : DForm_1<42, (outs GPRC:$rD), (ins memri:$src),
483 "lha $rD, $src", LdStLHA,
484 [(set GPRC:$rD, (sextloadi16 iaddr:$src))]>,
485 PPC970_DGroup_Cracked;
486 def LHZ : DForm_1<40, (outs GPRC:$rD), (ins memri:$src),
487 "lhz $rD, $src", LdStGeneral,
488 [(set GPRC:$rD, (zextloadi16 iaddr:$src))]>;
489 def LWZ : DForm_1<32, (outs GPRC:$rD), (ins memri:$src),
490 "lwz $rD, $src", LdStGeneral,
491 [(set GPRC:$rD, (load iaddr:$src))]>;
493 def LFS : DForm_1<48, (outs F4RC:$rD), (ins memri:$src),
494 "lfs $rD, $src", LdStLFDU,
495 [(set F4RC:$rD, (load iaddr:$src))]>;
496 def LFD : DForm_1<50, (outs F8RC:$rD), (ins memri:$src),
497 "lfd $rD, $src", LdStLFD,
498 [(set F8RC:$rD, (load iaddr:$src))]>;
501 // Unindexed (r+i) Loads with Update (preinc).
502 def LBZU : DForm_1<35, (outs GPRC:$rD, ptr_rc:$ea_result), (ins memri:$addr),
503 "lbzu $rD, $addr", LdStGeneral,
504 []>, RegConstraint<"$addr.reg = $ea_result">,
505 NoEncode<"$ea_result">;
507 def LHAU : DForm_1<43, (outs GPRC:$rD, ptr_rc:$ea_result), (ins memri:$addr),
508 "lhau $rD, $addr", LdStGeneral,
509 []>, RegConstraint<"$addr.reg = $ea_result">,
510 NoEncode<"$ea_result">;
512 def LHZU : DForm_1<41, (outs GPRC:$rD, ptr_rc:$ea_result), (ins memri:$addr),
513 "lhzu $rD, $addr", LdStGeneral,
514 []>, RegConstraint<"$addr.reg = $ea_result">,
515 NoEncode<"$ea_result">;
517 def LWZU : DForm_1<33, (outs GPRC:$rD, ptr_rc:$ea_result), (ins memri:$addr),
518 "lwzu $rD, $addr", LdStGeneral,
519 []>, RegConstraint<"$addr.reg = $ea_result">,
520 NoEncode<"$ea_result">;
522 def LFSU : DForm_1<49, (outs F4RC:$rD, ptr_rc:$ea_result), (ins memri:$addr),
523 "lfs $rD, $addr", LdStLFDU,
524 []>, RegConstraint<"$addr.reg = $ea_result">,
525 NoEncode<"$ea_result">;
527 def LFDU : DForm_1<51, (outs F8RC:$rD, ptr_rc:$ea_result), (ins memri:$addr),
528 "lfd $rD, $addr", LdStLFD,
529 []>, RegConstraint<"$addr.reg = $ea_result">,
530 NoEncode<"$ea_result">;
533 // Indexed (r+r) Loads.
535 let isSimpleLoad = 1, PPC970_Unit = 2 in {
536 def LBZX : XForm_1<31, 87, (outs GPRC:$rD), (ins memrr:$src),
537 "lbzx $rD, $src", LdStGeneral,
538 [(set GPRC:$rD, (zextloadi8 xaddr:$src))]>;
539 def LHAX : XForm_1<31, 343, (outs GPRC:$rD), (ins memrr:$src),
540 "lhax $rD, $src", LdStLHA,
541 [(set GPRC:$rD, (sextloadi16 xaddr:$src))]>,
542 PPC970_DGroup_Cracked;
543 def LHZX : XForm_1<31, 279, (outs GPRC:$rD), (ins memrr:$src),
544 "lhzx $rD, $src", LdStGeneral,
545 [(set GPRC:$rD, (zextloadi16 xaddr:$src))]>;
546 def LWZX : XForm_1<31, 23, (outs GPRC:$rD), (ins memrr:$src),
547 "lwzx $rD, $src", LdStGeneral,
548 [(set GPRC:$rD, (load xaddr:$src))]>;
551 def LHBRX : XForm_1<31, 790, (outs GPRC:$rD), (ins memrr:$src),
552 "lhbrx $rD, $src", LdStGeneral,
553 [(set GPRC:$rD, (PPClbrx xoaddr:$src, srcvalue:$sv, i16))]>;
554 def LWBRX : XForm_1<31, 534, (outs GPRC:$rD), (ins memrr:$src),
555 "lwbrx $rD, $src", LdStGeneral,
556 [(set GPRC:$rD, (PPClbrx xoaddr:$src, srcvalue:$sv, i32))]>;
558 def LFSX : XForm_25<31, 535, (outs F4RC:$frD), (ins memrr:$src),
559 "lfsx $frD, $src", LdStLFDU,
560 [(set F4RC:$frD, (load xaddr:$src))]>;
561 def LFDX : XForm_25<31, 599, (outs F8RC:$frD), (ins memrr:$src),
562 "lfdx $frD, $src", LdStLFDU,
563 [(set F8RC:$frD, (load xaddr:$src))]>;
566 //===----------------------------------------------------------------------===//
567 // PPC32 Store Instructions.
570 // Unindexed (r+i) Stores.
571 let PPC970_Unit = 2 in {
572 def STB : DForm_1<38, (outs), (ins GPRC:$rS, memri:$src),
573 "stb $rS, $src", LdStGeneral,
574 [(truncstorei8 GPRC:$rS, iaddr:$src)]>;
575 def STH : DForm_1<44, (outs), (ins GPRC:$rS, memri:$src),
576 "sth $rS, $src", LdStGeneral,
577 [(truncstorei16 GPRC:$rS, iaddr:$src)]>;
578 def STW : DForm_1<36, (outs), (ins GPRC:$rS, memri:$src),
579 "stw $rS, $src", LdStGeneral,
580 [(store GPRC:$rS, iaddr:$src)]>;
581 def STFS : DForm_1<52, (outs), (ins F4RC:$rS, memri:$dst),
582 "stfs $rS, $dst", LdStUX,
583 [(store F4RC:$rS, iaddr:$dst)]>;
584 def STFD : DForm_1<54, (outs), (ins F8RC:$rS, memri:$dst),
585 "stfd $rS, $dst", LdStUX,
586 [(store F8RC:$rS, iaddr:$dst)]>;
589 // Unindexed (r+i) Stores with Update (preinc).
590 let PPC970_Unit = 2 in {
591 def STBU : DForm_1<39, (outs ptr_rc:$ea_res), (ins GPRC:$rS,
592 symbolLo:$ptroff, ptr_rc:$ptrreg),
593 "stbu $rS, $ptroff($ptrreg)", LdStGeneral,
594 [(set ptr_rc:$ea_res,
595 (pre_truncsti8 GPRC:$rS, ptr_rc:$ptrreg,
596 iaddroff:$ptroff))]>,
597 RegConstraint<"$ptrreg = $ea_res">, NoEncode<"$ea_res">;
598 def STHU : DForm_1<45, (outs ptr_rc:$ea_res), (ins GPRC:$rS,
599 symbolLo:$ptroff, ptr_rc:$ptrreg),
600 "sthu $rS, $ptroff($ptrreg)", LdStGeneral,
601 [(set ptr_rc:$ea_res,
602 (pre_truncsti16 GPRC:$rS, ptr_rc:$ptrreg,
603 iaddroff:$ptroff))]>,
604 RegConstraint<"$ptrreg = $ea_res">, NoEncode<"$ea_res">;
605 def STWU : DForm_1<37, (outs ptr_rc:$ea_res), (ins GPRC:$rS,
606 symbolLo:$ptroff, ptr_rc:$ptrreg),
607 "stwu $rS, $ptroff($ptrreg)", LdStGeneral,
608 [(set ptr_rc:$ea_res, (pre_store GPRC:$rS, ptr_rc:$ptrreg,
609 iaddroff:$ptroff))]>,
610 RegConstraint<"$ptrreg = $ea_res">, NoEncode<"$ea_res">;
611 def STFSU : DForm_1<37, (outs ptr_rc:$ea_res), (ins F4RC:$rS,
612 symbolLo:$ptroff, ptr_rc:$ptrreg),
613 "stfsu $rS, $ptroff($ptrreg)", LdStGeneral,
614 [(set ptr_rc:$ea_res, (pre_store F4RC:$rS, ptr_rc:$ptrreg,
615 iaddroff:$ptroff))]>,
616 RegConstraint<"$ptrreg = $ea_res">, NoEncode<"$ea_res">;
617 def STFDU : DForm_1<37, (outs ptr_rc:$ea_res), (ins F8RC:$rS,
618 symbolLo:$ptroff, ptr_rc:$ptrreg),
619 "stfdu $rS, $ptroff($ptrreg)", LdStGeneral,
620 [(set ptr_rc:$ea_res, (pre_store F8RC:$rS, ptr_rc:$ptrreg,
621 iaddroff:$ptroff))]>,
622 RegConstraint<"$ptrreg = $ea_res">, NoEncode<"$ea_res">;
626 // Indexed (r+r) Stores.
628 let PPC970_Unit = 2 in {
629 def STBX : XForm_8<31, 215, (outs), (ins GPRC:$rS, memrr:$dst),
630 "stbx $rS, $dst", LdStGeneral,
631 [(truncstorei8 GPRC:$rS, xaddr:$dst)]>,
632 PPC970_DGroup_Cracked;
633 def STHX : XForm_8<31, 407, (outs), (ins GPRC:$rS, memrr:$dst),
634 "sthx $rS, $dst", LdStGeneral,
635 [(truncstorei16 GPRC:$rS, xaddr:$dst)]>,
636 PPC970_DGroup_Cracked;
637 def STWX : XForm_8<31, 151, (outs), (ins GPRC:$rS, memrr:$dst),
638 "stwx $rS, $dst", LdStGeneral,
639 [(store GPRC:$rS, xaddr:$dst)]>,
640 PPC970_DGroup_Cracked;
642 let mayStore = 1 in {
643 def STWUX : XForm_8<31, 183, (outs), (ins GPRC:$rS, GPRC:$rA, GPRC:$rB),
644 "stwux $rS, $rA, $rB", LdStGeneral,
647 def STHBRX: XForm_8<31, 918, (outs), (ins GPRC:$rS, memrr:$dst),
648 "sthbrx $rS, $dst", LdStGeneral,
649 [(PPCstbrx GPRC:$rS, xoaddr:$dst, srcvalue:$dummy, i16)]>,
650 PPC970_DGroup_Cracked;
651 def STWBRX: XForm_8<31, 662, (outs), (ins GPRC:$rS, memrr:$dst),
652 "stwbrx $rS, $dst", LdStGeneral,
653 [(PPCstbrx GPRC:$rS, xoaddr:$dst, srcvalue:$dummy, i32)]>,
654 PPC970_DGroup_Cracked;
656 def STFIWX: XForm_28<31, 983, (outs), (ins F8RC:$frS, memrr:$dst),
657 "stfiwx $frS, $dst", LdStUX,
658 [(PPCstfiwx F8RC:$frS, xoaddr:$dst)]>;
660 def STFSX : XForm_28<31, 663, (outs), (ins F4RC:$frS, memrr:$dst),
661 "stfsx $frS, $dst", LdStUX,
662 [(store F4RC:$frS, xaddr:$dst)]>;
663 def STFDX : XForm_28<31, 727, (outs), (ins F8RC:$frS, memrr:$dst),
664 "stfdx $frS, $dst", LdStUX,
665 [(store F8RC:$frS, xaddr:$dst)]>;
669 //===----------------------------------------------------------------------===//
670 // PPC32 Arithmetic Instructions.
673 let PPC970_Unit = 1 in { // FXU Operations.
674 def ADDI : DForm_2<14, (outs GPRC:$rD), (ins GPRC:$rA, s16imm:$imm),
675 "addi $rD, $rA, $imm", IntGeneral,
676 [(set GPRC:$rD, (add GPRC:$rA, immSExt16:$imm))]>;
677 def ADDIC : DForm_2<12, (outs GPRC:$rD), (ins GPRC:$rA, s16imm:$imm),
678 "addic $rD, $rA, $imm", IntGeneral,
679 [(set GPRC:$rD, (addc GPRC:$rA, immSExt16:$imm))]>,
680 PPC970_DGroup_Cracked;
681 def ADDICo : DForm_2<13, (outs GPRC:$rD), (ins GPRC:$rA, s16imm:$imm),
682 "addic. $rD, $rA, $imm", IntGeneral,
684 def ADDIS : DForm_2<15, (outs GPRC:$rD), (ins GPRC:$rA, symbolHi:$imm),
685 "addis $rD, $rA, $imm", IntGeneral,
686 [(set GPRC:$rD, (add GPRC:$rA, imm16ShiftedSExt:$imm))]>;
687 def LA : DForm_2<14, (outs GPRC:$rD), (ins GPRC:$rA, symbolLo:$sym),
688 "la $rD, $sym($rA)", IntGeneral,
689 [(set GPRC:$rD, (add GPRC:$rA,
690 (PPClo tglobaladdr:$sym, 0)))]>;
691 def MULLI : DForm_2< 7, (outs GPRC:$rD), (ins GPRC:$rA, s16imm:$imm),
692 "mulli $rD, $rA, $imm", IntMulLI,
693 [(set GPRC:$rD, (mul GPRC:$rA, immSExt16:$imm))]>;
694 def SUBFIC : DForm_2< 8, (outs GPRC:$rD), (ins GPRC:$rA, s16imm:$imm),
695 "subfic $rD, $rA, $imm", IntGeneral,
696 [(set GPRC:$rD, (subc immSExt16:$imm, GPRC:$rA))]>;
698 let isReMaterializable = 1 in {
699 def LI : DForm_2_r0<14, (outs GPRC:$rD), (ins symbolLo:$imm),
700 "li $rD, $imm", IntGeneral,
701 [(set GPRC:$rD, immSExt16:$imm)]>;
702 def LIS : DForm_2_r0<15, (outs GPRC:$rD), (ins symbolHi:$imm),
703 "lis $rD, $imm", IntGeneral,
704 [(set GPRC:$rD, imm16ShiftedSExt:$imm)]>;
708 let PPC970_Unit = 1 in { // FXU Operations.
709 def ANDIo : DForm_4<28, (outs GPRC:$dst), (ins GPRC:$src1, u16imm:$src2),
710 "andi. $dst, $src1, $src2", IntGeneral,
711 [(set GPRC:$dst, (and GPRC:$src1, immZExt16:$src2))]>,
713 def ANDISo : DForm_4<29, (outs GPRC:$dst), (ins GPRC:$src1, u16imm:$src2),
714 "andis. $dst, $src1, $src2", IntGeneral,
715 [(set GPRC:$dst, (and GPRC:$src1,imm16ShiftedZExt:$src2))]>,
717 def ORI : DForm_4<24, (outs GPRC:$dst), (ins GPRC:$src1, u16imm:$src2),
718 "ori $dst, $src1, $src2", IntGeneral,
719 [(set GPRC:$dst, (or GPRC:$src1, immZExt16:$src2))]>;
720 def ORIS : DForm_4<25, (outs GPRC:$dst), (ins GPRC:$src1, u16imm:$src2),
721 "oris $dst, $src1, $src2", IntGeneral,
722 [(set GPRC:$dst, (or GPRC:$src1, imm16ShiftedZExt:$src2))]>;
723 def XORI : DForm_4<26, (outs GPRC:$dst), (ins GPRC:$src1, u16imm:$src2),
724 "xori $dst, $src1, $src2", IntGeneral,
725 [(set GPRC:$dst, (xor GPRC:$src1, immZExt16:$src2))]>;
726 def XORIS : DForm_4<27, (outs GPRC:$dst), (ins GPRC:$src1, u16imm:$src2),
727 "xoris $dst, $src1, $src2", IntGeneral,
728 [(set GPRC:$dst, (xor GPRC:$src1,imm16ShiftedZExt:$src2))]>;
729 def NOP : DForm_4_zero<24, (outs), (ins), "nop", IntGeneral,
731 def CMPWI : DForm_5_ext<11, (outs CRRC:$crD), (ins GPRC:$rA, s16imm:$imm),
732 "cmpwi $crD, $rA, $imm", IntCompare>;
733 def CMPLWI : DForm_6_ext<10, (outs CRRC:$dst), (ins GPRC:$src1, u16imm:$src2),
734 "cmplwi $dst, $src1, $src2", IntCompare>;
738 let PPC970_Unit = 1 in { // FXU Operations.
739 def NAND : XForm_6<31, 476, (outs GPRC:$rA), (ins GPRC:$rS, GPRC:$rB),
740 "nand $rA, $rS, $rB", IntGeneral,
741 [(set GPRC:$rA, (not (and GPRC:$rS, GPRC:$rB)))]>;
742 def AND : XForm_6<31, 28, (outs GPRC:$rA), (ins GPRC:$rS, GPRC:$rB),
743 "and $rA, $rS, $rB", IntGeneral,
744 [(set GPRC:$rA, (and GPRC:$rS, GPRC:$rB))]>;
745 def ANDC : XForm_6<31, 60, (outs GPRC:$rA), (ins GPRC:$rS, GPRC:$rB),
746 "andc $rA, $rS, $rB", IntGeneral,
747 [(set GPRC:$rA, (and GPRC:$rS, (not GPRC:$rB)))]>;
748 def OR : XForm_6<31, 444, (outs GPRC:$rA), (ins GPRC:$rS, GPRC:$rB),
749 "or $rA, $rS, $rB", IntGeneral,
750 [(set GPRC:$rA, (or GPRC:$rS, GPRC:$rB))]>;
751 def NOR : XForm_6<31, 124, (outs GPRC:$rA), (ins GPRC:$rS, GPRC:$rB),
752 "nor $rA, $rS, $rB", IntGeneral,
753 [(set GPRC:$rA, (not (or GPRC:$rS, GPRC:$rB)))]>;
754 def ORC : XForm_6<31, 412, (outs GPRC:$rA), (ins GPRC:$rS, GPRC:$rB),
755 "orc $rA, $rS, $rB", IntGeneral,
756 [(set GPRC:$rA, (or GPRC:$rS, (not GPRC:$rB)))]>;
757 def EQV : XForm_6<31, 284, (outs GPRC:$rA), (ins GPRC:$rS, GPRC:$rB),
758 "eqv $rA, $rS, $rB", IntGeneral,
759 [(set GPRC:$rA, (not (xor GPRC:$rS, GPRC:$rB)))]>;
760 def XOR : XForm_6<31, 316, (outs GPRC:$rA), (ins GPRC:$rS, GPRC:$rB),
761 "xor $rA, $rS, $rB", IntGeneral,
762 [(set GPRC:$rA, (xor GPRC:$rS, GPRC:$rB))]>;
763 def SLW : XForm_6<31, 24, (outs GPRC:$rA), (ins GPRC:$rS, GPRC:$rB),
764 "slw $rA, $rS, $rB", IntGeneral,
765 [(set GPRC:$rA, (PPCshl GPRC:$rS, GPRC:$rB))]>;
766 def SRW : XForm_6<31, 536, (outs GPRC:$rA), (ins GPRC:$rS, GPRC:$rB),
767 "srw $rA, $rS, $rB", IntGeneral,
768 [(set GPRC:$rA, (PPCsrl GPRC:$rS, GPRC:$rB))]>;
769 def SRAW : XForm_6<31, 792, (outs GPRC:$rA), (ins GPRC:$rS, GPRC:$rB),
770 "sraw $rA, $rS, $rB", IntShift,
771 [(set GPRC:$rA, (PPCsra GPRC:$rS, GPRC:$rB))]>;
774 let PPC970_Unit = 1 in { // FXU Operations.
775 def SRAWI : XForm_10<31, 824, (outs GPRC:$rA), (ins GPRC:$rS, u5imm:$SH),
776 "srawi $rA, $rS, $SH", IntShift,
777 [(set GPRC:$rA, (sra GPRC:$rS, (i32 imm:$SH)))]>;
778 def CNTLZW : XForm_11<31, 26, (outs GPRC:$rA), (ins GPRC:$rS),
779 "cntlzw $rA, $rS", IntGeneral,
780 [(set GPRC:$rA, (ctlz GPRC:$rS))]>;
781 def EXTSB : XForm_11<31, 954, (outs GPRC:$rA), (ins GPRC:$rS),
782 "extsb $rA, $rS", IntGeneral,
783 [(set GPRC:$rA, (sext_inreg GPRC:$rS, i8))]>;
784 def EXTSH : XForm_11<31, 922, (outs GPRC:$rA), (ins GPRC:$rS),
785 "extsh $rA, $rS", IntGeneral,
786 [(set GPRC:$rA, (sext_inreg GPRC:$rS, i16))]>;
788 def CMPW : XForm_16_ext<31, 0, (outs CRRC:$crD), (ins GPRC:$rA, GPRC:$rB),
789 "cmpw $crD, $rA, $rB", IntCompare>;
790 def CMPLW : XForm_16_ext<31, 32, (outs CRRC:$crD), (ins GPRC:$rA, GPRC:$rB),
791 "cmplw $crD, $rA, $rB", IntCompare>;
793 let PPC970_Unit = 3 in { // FPU Operations.
794 //def FCMPO : XForm_17<63, 32, (outs CRRC:$crD), (ins FPRC:$fA, FPRC:$fB),
795 // "fcmpo $crD, $fA, $fB", FPCompare>;
796 def FCMPUS : XForm_17<63, 0, (outs CRRC:$crD), (ins F4RC:$fA, F4RC:$fB),
797 "fcmpu $crD, $fA, $fB", FPCompare>;
798 def FCMPUD : XForm_17<63, 0, (outs CRRC:$crD), (ins F8RC:$fA, F8RC:$fB),
799 "fcmpu $crD, $fA, $fB", FPCompare>;
801 def FCTIWZ : XForm_26<63, 15, (outs F8RC:$frD), (ins F8RC:$frB),
802 "fctiwz $frD, $frB", FPGeneral,
803 [(set F8RC:$frD, (PPCfctiwz F8RC:$frB))]>;
804 def FRSP : XForm_26<63, 12, (outs F4RC:$frD), (ins F8RC:$frB),
805 "frsp $frD, $frB", FPGeneral,
806 [(set F4RC:$frD, (fround F8RC:$frB))]>;
807 def FSQRT : XForm_26<63, 22, (outs F8RC:$frD), (ins F8RC:$frB),
808 "fsqrt $frD, $frB", FPSqrt,
809 [(set F8RC:$frD, (fsqrt F8RC:$frB))]>;
810 def FSQRTS : XForm_26<59, 22, (outs F4RC:$frD), (ins F4RC:$frB),
811 "fsqrts $frD, $frB", FPSqrt,
812 [(set F4RC:$frD, (fsqrt F4RC:$frB))]>;
815 /// FMR is split into 3 versions, one for 4/8 byte FP, and one for extending.
817 /// Note that these are defined as pseudo-ops on the PPC970 because they are
818 /// often coalesced away and we don't want the dispatch group builder to think
819 /// that they will fill slots (which could cause the load of a LSU reject to
820 /// sneak into a d-group with a store).
821 def FMRS : XForm_26<63, 72, (outs F4RC:$frD), (ins F4RC:$frB),
822 "fmr $frD, $frB", FPGeneral,
823 []>, // (set F4RC:$frD, F4RC:$frB)
825 def FMRD : XForm_26<63, 72, (outs F8RC:$frD), (ins F8RC:$frB),
826 "fmr $frD, $frB", FPGeneral,
827 []>, // (set F8RC:$frD, F8RC:$frB)
829 def FMRSD : XForm_26<63, 72, (outs F8RC:$frD), (ins F4RC:$frB),
830 "fmr $frD, $frB", FPGeneral,
831 [(set F8RC:$frD, (fextend F4RC:$frB))]>,
834 let PPC970_Unit = 3 in { // FPU Operations.
835 // These are artificially split into two different forms, for 4/8 byte FP.
836 def FABSS : XForm_26<63, 264, (outs F4RC:$frD), (ins F4RC:$frB),
837 "fabs $frD, $frB", FPGeneral,
838 [(set F4RC:$frD, (fabs F4RC:$frB))]>;
839 def FABSD : XForm_26<63, 264, (outs F8RC:$frD), (ins F8RC:$frB),
840 "fabs $frD, $frB", FPGeneral,
841 [(set F8RC:$frD, (fabs F8RC:$frB))]>;
842 def FNABSS : XForm_26<63, 136, (outs F4RC:$frD), (ins F4RC:$frB),
843 "fnabs $frD, $frB", FPGeneral,
844 [(set F4RC:$frD, (fneg (fabs F4RC:$frB)))]>;
845 def FNABSD : XForm_26<63, 136, (outs F8RC:$frD), (ins F8RC:$frB),
846 "fnabs $frD, $frB", FPGeneral,
847 [(set F8RC:$frD, (fneg (fabs F8RC:$frB)))]>;
848 def FNEGS : XForm_26<63, 40, (outs F4RC:$frD), (ins F4RC:$frB),
849 "fneg $frD, $frB", FPGeneral,
850 [(set F4RC:$frD, (fneg F4RC:$frB))]>;
851 def FNEGD : XForm_26<63, 40, (outs F8RC:$frD), (ins F8RC:$frB),
852 "fneg $frD, $frB", FPGeneral,
853 [(set F8RC:$frD, (fneg F8RC:$frB))]>;
857 // XL-Form instructions. condition register logical ops.
859 def MCRF : XLForm_3<19, 0, (outs CRRC:$BF), (ins CRRC:$BFA),
860 "mcrf $BF, $BFA", BrMCR>,
861 PPC970_DGroup_First, PPC970_Unit_CRU;
863 def CREQV : XLForm_1<19, 289, (outs CRRC:$CRD), (ins CRRC:$CRA, CRRC:$CRB),
864 "creqv $CRD, $CRA, $CRB", BrCR,
867 def SETCR : XLForm_1_ext<19, 289, (outs CRRC:$dst), (ins),
868 "creqv $dst, $dst, $dst", BrCR,
871 // XFX-Form instructions. Instructions that deal with SPRs.
873 def MFCTR : XFXForm_1_ext<31, 339, 9, (outs GPRC:$rT), (ins),
874 "mfctr $rT", SprMFSPR>,
875 PPC970_DGroup_First, PPC970_Unit_FXU;
876 let Pattern = [(PPCmtctr GPRC:$rS)] in {
877 def MTCTR : XFXForm_7_ext<31, 467, 9, (outs), (ins GPRC:$rS),
878 "mtctr $rS", SprMTSPR>,
879 PPC970_DGroup_First, PPC970_Unit_FXU;
882 def MTLR : XFXForm_7_ext<31, 467, 8, (outs), (ins GPRC:$rS),
883 "mtlr $rS", SprMTSPR>,
884 PPC970_DGroup_First, PPC970_Unit_FXU;
885 def MFLR : XFXForm_1_ext<31, 339, 8, (outs GPRC:$rT), (ins),
886 "mflr $rT", SprMFSPR>,
887 PPC970_DGroup_First, PPC970_Unit_FXU;
889 // Move to/from VRSAVE: despite being a SPR, the VRSAVE register is renamed like
890 // a GPR on the PPC970. As such, copies in and out have the same performance
891 // characteristics as an OR instruction.
892 def MTVRSAVE : XFXForm_7_ext<31, 467, 256, (outs), (ins GPRC:$rS),
893 "mtspr 256, $rS", IntGeneral>,
894 PPC970_DGroup_Single, PPC970_Unit_FXU;
895 def MFVRSAVE : XFXForm_1_ext<31, 339, 256, (outs GPRC:$rT), (ins),
896 "mfspr $rT, 256", IntGeneral>,
897 PPC970_DGroup_First, PPC970_Unit_FXU;
899 def MTCRF : XFXForm_5<31, 144, (outs), (ins crbitm:$FXM, GPRC:$rS),
900 "mtcrf $FXM, $rS", BrMCRX>,
901 PPC970_MicroCode, PPC970_Unit_CRU;
902 def MFCR : XFXForm_3<31, 19, (outs GPRC:$rT), (ins), "mfcr $rT", SprMFCR>,
903 PPC970_MicroCode, PPC970_Unit_CRU;
904 def MFOCRF: XFXForm_5a<31, 19, (outs GPRC:$rT), (ins crbitm:$FXM),
905 "mfcr $rT, $FXM", SprMFCR>,
906 PPC970_DGroup_First, PPC970_Unit_CRU;
908 // Instructions to manipulate FPSCR. Only long double handling uses these.
909 // FPSCR is not modelled; we use the SDNode Flag to keep things in order.
911 def MFFS : XForm_42<63, 583, (outs F8RC:$rT), (ins),
913 [(set F8RC:$rT, (PPCmffs))]>,
914 PPC970_DGroup_Single, PPC970_Unit_FPU;
915 def MTFSB0 : XForm_43<63, 70, (outs), (ins u5imm:$FM),
916 "mtfsb0 $FM", IntMTFSB0,
917 [(PPCmtfsb0 (i32 imm:$FM))]>,
918 PPC970_DGroup_Single, PPC970_Unit_FPU;
919 def MTFSB1 : XForm_43<63, 38, (outs), (ins u5imm:$FM),
920 "mtfsb1 $FM", IntMTFSB0,
921 [(PPCmtfsb1 (i32 imm:$FM))]>,
922 PPC970_DGroup_Single, PPC970_Unit_FPU;
923 def FADDrtz: AForm_2<63, 21,
924 (outs F8RC:$FRT), (ins F8RC:$FRA, F8RC:$FRB),
925 "fadd $FRT, $FRA, $FRB", FPGeneral,
926 [(set F8RC:$FRT, (PPCfaddrtz F8RC:$FRA, F8RC:$FRB))]>,
927 PPC970_DGroup_Single, PPC970_Unit_FPU;
928 // MTFSF does not actually produce an FP result. We pretend it copies
929 // input reg B to the output. If we didn't do this it would look like the
930 // instruction had no outputs (because we aren't modelling the FPSCR) and
931 // it would be deleted.
932 def MTFSF : XFLForm<63, 711, (outs F8RC:$FRA),
933 (ins i32imm:$FM, F8RC:$rT, F8RC:$FRB),
934 "mtfsf $FM, $rT", "$FRB = $FRA", IntMTFSB0,
935 [(set F8RC:$FRA, (PPCmtfsf (i32 imm:$FM),
936 F8RC:$rT, F8RC:$FRB))]>,
937 PPC970_DGroup_Single, PPC970_Unit_FPU;
939 let PPC970_Unit = 1 in { // FXU Operations.
941 // XO-Form instructions. Arithmetic instructions that can set overflow bit
943 def ADD4 : XOForm_1<31, 266, 0, (outs GPRC:$rT), (ins GPRC:$rA, GPRC:$rB),
944 "add $rT, $rA, $rB", IntGeneral,
945 [(set GPRC:$rT, (add GPRC:$rA, GPRC:$rB))]>;
946 def ADDC : XOForm_1<31, 10, 0, (outs GPRC:$rT), (ins GPRC:$rA, GPRC:$rB),
947 "addc $rT, $rA, $rB", IntGeneral,
948 [(set GPRC:$rT, (addc GPRC:$rA, GPRC:$rB))]>,
949 PPC970_DGroup_Cracked;
950 def ADDE : XOForm_1<31, 138, 0, (outs GPRC:$rT), (ins GPRC:$rA, GPRC:$rB),
951 "adde $rT, $rA, $rB", IntGeneral,
952 [(set GPRC:$rT, (adde GPRC:$rA, GPRC:$rB))]>;
953 def DIVW : XOForm_1<31, 491, 0, (outs GPRC:$rT), (ins GPRC:$rA, GPRC:$rB),
954 "divw $rT, $rA, $rB", IntDivW,
955 [(set GPRC:$rT, (sdiv GPRC:$rA, GPRC:$rB))]>,
956 PPC970_DGroup_First, PPC970_DGroup_Cracked;
957 def DIVWU : XOForm_1<31, 459, 0, (outs GPRC:$rT), (ins GPRC:$rA, GPRC:$rB),
958 "divwu $rT, $rA, $rB", IntDivW,
959 [(set GPRC:$rT, (udiv GPRC:$rA, GPRC:$rB))]>,
960 PPC970_DGroup_First, PPC970_DGroup_Cracked;
961 def MULHW : XOForm_1<31, 75, 0, (outs GPRC:$rT), (ins GPRC:$rA, GPRC:$rB),
962 "mulhw $rT, $rA, $rB", IntMulHW,
963 [(set GPRC:$rT, (mulhs GPRC:$rA, GPRC:$rB))]>;
964 def MULHWU : XOForm_1<31, 11, 0, (outs GPRC:$rT), (ins GPRC:$rA, GPRC:$rB),
965 "mulhwu $rT, $rA, $rB", IntMulHWU,
966 [(set GPRC:$rT, (mulhu GPRC:$rA, GPRC:$rB))]>;
967 def MULLW : XOForm_1<31, 235, 0, (outs GPRC:$rT), (ins GPRC:$rA, GPRC:$rB),
968 "mullw $rT, $rA, $rB", IntMulHW,
969 [(set GPRC:$rT, (mul GPRC:$rA, GPRC:$rB))]>;
970 def SUBF : XOForm_1<31, 40, 0, (outs GPRC:$rT), (ins GPRC:$rA, GPRC:$rB),
971 "subf $rT, $rA, $rB", IntGeneral,
972 [(set GPRC:$rT, (sub GPRC:$rB, GPRC:$rA))]>;
973 def SUBFC : XOForm_1<31, 8, 0, (outs GPRC:$rT), (ins GPRC:$rA, GPRC:$rB),
974 "subfc $rT, $rA, $rB", IntGeneral,
975 [(set GPRC:$rT, (subc GPRC:$rB, GPRC:$rA))]>,
976 PPC970_DGroup_Cracked;
977 def SUBFE : XOForm_1<31, 136, 0, (outs GPRC:$rT), (ins GPRC:$rA, GPRC:$rB),
978 "subfe $rT, $rA, $rB", IntGeneral,
979 [(set GPRC:$rT, (sube GPRC:$rB, GPRC:$rA))]>;
980 def ADDME : XOForm_3<31, 234, 0, (outs GPRC:$rT), (ins GPRC:$rA),
981 "addme $rT, $rA", IntGeneral,
982 [(set GPRC:$rT, (adde GPRC:$rA, immAllOnes))]>;
983 def ADDZE : XOForm_3<31, 202, 0, (outs GPRC:$rT), (ins GPRC:$rA),
984 "addze $rT, $rA", IntGeneral,
985 [(set GPRC:$rT, (adde GPRC:$rA, 0))]>;
986 def NEG : XOForm_3<31, 104, 0, (outs GPRC:$rT), (ins GPRC:$rA),
987 "neg $rT, $rA", IntGeneral,
988 [(set GPRC:$rT, (ineg GPRC:$rA))]>;
989 def SUBFME : XOForm_3<31, 232, 0, (outs GPRC:$rT), (ins GPRC:$rA),
990 "subfme $rT, $rA", IntGeneral,
991 [(set GPRC:$rT, (sube immAllOnes, GPRC:$rA))]>;
992 def SUBFZE : XOForm_3<31, 200, 0, (outs GPRC:$rT), (ins GPRC:$rA),
993 "subfze $rT, $rA", IntGeneral,
994 [(set GPRC:$rT, (sube 0, GPRC:$rA))]>;
997 // A-Form instructions. Most of the instructions executed in the FPU are of
1000 let PPC970_Unit = 3 in { // FPU Operations.
1001 def FMADD : AForm_1<63, 29,
1002 (outs F8RC:$FRT), (ins F8RC:$FRA, F8RC:$FRC, F8RC:$FRB),
1003 "fmadd $FRT, $FRA, $FRC, $FRB", FPFused,
1004 [(set F8RC:$FRT, (fadd (fmul F8RC:$FRA, F8RC:$FRC),
1006 Requires<[FPContractions]>;
1007 def FMADDS : AForm_1<59, 29,
1008 (outs F4RC:$FRT), (ins F4RC:$FRA, F4RC:$FRC, F4RC:$FRB),
1009 "fmadds $FRT, $FRA, $FRC, $FRB", FPGeneral,
1010 [(set F4RC:$FRT, (fadd (fmul F4RC:$FRA, F4RC:$FRC),
1012 Requires<[FPContractions]>;
1013 def FMSUB : AForm_1<63, 28,
1014 (outs F8RC:$FRT), (ins F8RC:$FRA, F8RC:$FRC, F8RC:$FRB),
1015 "fmsub $FRT, $FRA, $FRC, $FRB", FPFused,
1016 [(set F8RC:$FRT, (fsub (fmul F8RC:$FRA, F8RC:$FRC),
1018 Requires<[FPContractions]>;
1019 def FMSUBS : AForm_1<59, 28,
1020 (outs F4RC:$FRT), (ins F4RC:$FRA, F4RC:$FRC, F4RC:$FRB),
1021 "fmsubs $FRT, $FRA, $FRC, $FRB", FPGeneral,
1022 [(set F4RC:$FRT, (fsub (fmul F4RC:$FRA, F4RC:$FRC),
1024 Requires<[FPContractions]>;
1025 def FNMADD : AForm_1<63, 31,
1026 (outs F8RC:$FRT), (ins F8RC:$FRA, F8RC:$FRC, F8RC:$FRB),
1027 "fnmadd $FRT, $FRA, $FRC, $FRB", FPFused,
1028 [(set F8RC:$FRT, (fneg (fadd (fmul F8RC:$FRA, F8RC:$FRC),
1030 Requires<[FPContractions]>;
1031 def FNMADDS : AForm_1<59, 31,
1032 (outs F4RC:$FRT), (ins F4RC:$FRA, F4RC:$FRC, F4RC:$FRB),
1033 "fnmadds $FRT, $FRA, $FRC, $FRB", FPGeneral,
1034 [(set F4RC:$FRT, (fneg (fadd (fmul F4RC:$FRA, F4RC:$FRC),
1036 Requires<[FPContractions]>;
1037 def FNMSUB : AForm_1<63, 30,
1038 (outs F8RC:$FRT), (ins F8RC:$FRA, F8RC:$FRC, F8RC:$FRB),
1039 "fnmsub $FRT, $FRA, $FRC, $FRB", FPFused,
1040 [(set F8RC:$FRT, (fneg (fsub (fmul F8RC:$FRA, F8RC:$FRC),
1042 Requires<[FPContractions]>;
1043 def FNMSUBS : AForm_1<59, 30,
1044 (outs F4RC:$FRT), (ins F4RC:$FRA, F4RC:$FRC, F4RC:$FRB),
1045 "fnmsubs $FRT, $FRA, $FRC, $FRB", FPGeneral,
1046 [(set F4RC:$FRT, (fneg (fsub (fmul F4RC:$FRA, F4RC:$FRC),
1048 Requires<[FPContractions]>;
1049 // FSEL is artificially split into 4 and 8-byte forms for the result. To avoid
1050 // having 4 of these, force the comparison to always be an 8-byte double (code
1051 // should use an FMRSD if the input comparison value really wants to be a float)
1052 // and 4/8 byte forms for the result and operand type..
1053 def FSELD : AForm_1<63, 23,
1054 (outs F8RC:$FRT), (ins F8RC:$FRA, F8RC:$FRC, F8RC:$FRB),
1055 "fsel $FRT, $FRA, $FRC, $FRB", FPGeneral,
1056 [(set F8RC:$FRT, (PPCfsel F8RC:$FRA,F8RC:$FRC,F8RC:$FRB))]>;
1057 def FSELS : AForm_1<63, 23,
1058 (outs F4RC:$FRT), (ins F8RC:$FRA, F4RC:$FRC, F4RC:$FRB),
1059 "fsel $FRT, $FRA, $FRC, $FRB", FPGeneral,
1060 [(set F4RC:$FRT, (PPCfsel F8RC:$FRA,F4RC:$FRC,F4RC:$FRB))]>;
1061 def FADD : AForm_2<63, 21,
1062 (outs F8RC:$FRT), (ins F8RC:$FRA, F8RC:$FRB),
1063 "fadd $FRT, $FRA, $FRB", FPGeneral,
1064 [(set F8RC:$FRT, (fadd F8RC:$FRA, F8RC:$FRB))]>;
1065 def FADDS : AForm_2<59, 21,
1066 (outs F4RC:$FRT), (ins F4RC:$FRA, F4RC:$FRB),
1067 "fadds $FRT, $FRA, $FRB", FPGeneral,
1068 [(set F4RC:$FRT, (fadd F4RC:$FRA, F4RC:$FRB))]>;
1069 def FDIV : AForm_2<63, 18,
1070 (outs F8RC:$FRT), (ins F8RC:$FRA, F8RC:$FRB),
1071 "fdiv $FRT, $FRA, $FRB", FPDivD,
1072 [(set F8RC:$FRT, (fdiv F8RC:$FRA, F8RC:$FRB))]>;
1073 def FDIVS : AForm_2<59, 18,
1074 (outs F4RC:$FRT), (ins F4RC:$FRA, F4RC:$FRB),
1075 "fdivs $FRT, $FRA, $FRB", FPDivS,
1076 [(set F4RC:$FRT, (fdiv F4RC:$FRA, F4RC:$FRB))]>;
1077 def FMUL : AForm_3<63, 25,
1078 (outs F8RC:$FRT), (ins F8RC:$FRA, F8RC:$FRB),
1079 "fmul $FRT, $FRA, $FRB", FPFused,
1080 [(set F8RC:$FRT, (fmul F8RC:$FRA, F8RC:$FRB))]>;
1081 def FMULS : AForm_3<59, 25,
1082 (outs F4RC:$FRT), (ins F4RC:$FRA, F4RC:$FRB),
1083 "fmuls $FRT, $FRA, $FRB", FPGeneral,
1084 [(set F4RC:$FRT, (fmul F4RC:$FRA, F4RC:$FRB))]>;
1085 def FSUB : AForm_2<63, 20,
1086 (outs F8RC:$FRT), (ins F8RC:$FRA, F8RC:$FRB),
1087 "fsub $FRT, $FRA, $FRB", FPGeneral,
1088 [(set F8RC:$FRT, (fsub F8RC:$FRA, F8RC:$FRB))]>;
1089 def FSUBS : AForm_2<59, 20,
1090 (outs F4RC:$FRT), (ins F4RC:$FRA, F4RC:$FRB),
1091 "fsubs $FRT, $FRA, $FRB", FPGeneral,
1092 [(set F4RC:$FRT, (fsub F4RC:$FRA, F4RC:$FRB))]>;
1095 let PPC970_Unit = 1 in { // FXU Operations.
1096 // M-Form instructions. rotate and mask instructions.
1098 let isCommutable = 1 in {
1099 // RLWIMI can be commuted if the rotate amount is zero.
1100 def RLWIMI : MForm_2<20,
1101 (outs GPRC:$rA), (ins GPRC:$rSi, GPRC:$rS, u5imm:$SH, u5imm:$MB,
1102 u5imm:$ME), "rlwimi $rA, $rS, $SH, $MB, $ME", IntRotate,
1103 []>, PPC970_DGroup_Cracked, RegConstraint<"$rSi = $rA">,
1106 def RLWINM : MForm_2<21,
1107 (outs GPRC:$rA), (ins GPRC:$rS, u5imm:$SH, u5imm:$MB, u5imm:$ME),
1108 "rlwinm $rA, $rS, $SH, $MB, $ME", IntGeneral,
1110 def RLWINMo : MForm_2<21,
1111 (outs GPRC:$rA), (ins GPRC:$rS, u5imm:$SH, u5imm:$MB, u5imm:$ME),
1112 "rlwinm. $rA, $rS, $SH, $MB, $ME", IntGeneral,
1113 []>, isDOT, PPC970_DGroup_Cracked;
1114 def RLWNM : MForm_2<23,
1115 (outs GPRC:$rA), (ins GPRC:$rS, GPRC:$rB, u5imm:$MB, u5imm:$ME),
1116 "rlwnm $rA, $rS, $rB, $MB, $ME", IntGeneral,
1121 //===----------------------------------------------------------------------===//
1122 // DWARF Pseudo Instructions
1125 def DWARF_LOC : Pseudo<(outs), (ins i32imm:$line, i32imm:$col, i32imm:$file),
1126 "${:comment} .loc $file, $line, $col",
1127 [(dwarf_loc (i32 imm:$line), (i32 imm:$col),
1130 //===----------------------------------------------------------------------===//
1131 // PowerPC Instruction Patterns
1134 // Arbitrary immediate support. Implement in terms of LIS/ORI.
1135 def : Pat<(i32 imm:$imm),
1136 (ORI (LIS (HI16 imm:$imm)), (LO16 imm:$imm))>;
1138 // Implement the 'not' operation with the NOR instruction.
1139 def NOT : Pat<(not GPRC:$in),
1140 (NOR GPRC:$in, GPRC:$in)>;
1142 // ADD an arbitrary immediate.
1143 def : Pat<(add GPRC:$in, imm:$imm),
1144 (ADDIS (ADDI GPRC:$in, (LO16 imm:$imm)), (HA16 imm:$imm))>;
1145 // OR an arbitrary immediate.
1146 def : Pat<(or GPRC:$in, imm:$imm),
1147 (ORIS (ORI GPRC:$in, (LO16 imm:$imm)), (HI16 imm:$imm))>;
1148 // XOR an arbitrary immediate.
1149 def : Pat<(xor GPRC:$in, imm:$imm),
1150 (XORIS (XORI GPRC:$in, (LO16 imm:$imm)), (HI16 imm:$imm))>;
1152 def : Pat<(sub immSExt16:$imm, GPRC:$in),
1153 (SUBFIC GPRC:$in, imm:$imm)>;
1156 def : Pat<(shl GPRC:$in, (i32 imm:$imm)),
1157 (RLWINM GPRC:$in, imm:$imm, 0, (SHL32 imm:$imm))>;
1158 def : Pat<(srl GPRC:$in, (i32 imm:$imm)),
1159 (RLWINM GPRC:$in, (SRL32 imm:$imm), imm:$imm, 31)>;
1162 def : Pat<(rotl GPRC:$in, GPRC:$sh),
1163 (RLWNM GPRC:$in, GPRC:$sh, 0, 31)>;
1164 def : Pat<(rotl GPRC:$in, (i32 imm:$imm)),
1165 (RLWINM GPRC:$in, imm:$imm, 0, 31)>;
1168 def : Pat<(and (rotl GPRC:$in, GPRC:$sh), maskimm32:$imm),
1169 (RLWNM GPRC:$in, GPRC:$sh, (MB maskimm32:$imm), (ME maskimm32:$imm))>;
1172 def : Pat<(PPCcall_Macho (i32 tglobaladdr:$dst)),
1173 (BL_Macho tglobaladdr:$dst)>;
1174 def : Pat<(PPCcall_Macho (i32 texternalsym:$dst)),
1175 (BL_Macho texternalsym:$dst)>;
1176 def : Pat<(PPCcall_ELF (i32 tglobaladdr:$dst)),
1177 (BL_ELF tglobaladdr:$dst)>;
1178 def : Pat<(PPCcall_ELF (i32 texternalsym:$dst)),
1179 (BL_ELF texternalsym:$dst)>;
1181 // Hi and Lo for Darwin Global Addresses.
1182 def : Pat<(PPChi tglobaladdr:$in, 0), (LIS tglobaladdr:$in)>;
1183 def : Pat<(PPClo tglobaladdr:$in, 0), (LI tglobaladdr:$in)>;
1184 def : Pat<(PPChi tconstpool:$in, 0), (LIS tconstpool:$in)>;
1185 def : Pat<(PPClo tconstpool:$in, 0), (LI tconstpool:$in)>;
1186 def : Pat<(PPChi tjumptable:$in, 0), (LIS tjumptable:$in)>;
1187 def : Pat<(PPClo tjumptable:$in, 0), (LI tjumptable:$in)>;
1188 def : Pat<(add GPRC:$in, (PPChi tglobaladdr:$g, 0)),
1189 (ADDIS GPRC:$in, tglobaladdr:$g)>;
1190 def : Pat<(add GPRC:$in, (PPChi tconstpool:$g, 0)),
1191 (ADDIS GPRC:$in, tconstpool:$g)>;
1192 def : Pat<(add GPRC:$in, (PPChi tjumptable:$g, 0)),
1193 (ADDIS GPRC:$in, tjumptable:$g)>;
1195 // Fused negative multiply subtract, alternate pattern
1196 def : Pat<(fsub F8RC:$B, (fmul F8RC:$A, F8RC:$C)),
1197 (FNMSUB F8RC:$A, F8RC:$C, F8RC:$B)>,
1198 Requires<[FPContractions]>;
1199 def : Pat<(fsub F4RC:$B, (fmul F4RC:$A, F4RC:$C)),
1200 (FNMSUBS F4RC:$A, F4RC:$C, F4RC:$B)>,
1201 Requires<[FPContractions]>;
1203 // Standard shifts. These are represented separately from the real shifts above
1204 // so that we can distinguish between shifts that allow 5-bit and 6-bit shift
1206 def : Pat<(sra GPRC:$rS, GPRC:$rB),
1207 (SRAW GPRC:$rS, GPRC:$rB)>;
1208 def : Pat<(srl GPRC:$rS, GPRC:$rB),
1209 (SRW GPRC:$rS, GPRC:$rB)>;
1210 def : Pat<(shl GPRC:$rS, GPRC:$rB),
1211 (SLW GPRC:$rS, GPRC:$rB)>;
1213 def : Pat<(zextloadi1 iaddr:$src),
1215 def : Pat<(zextloadi1 xaddr:$src),
1217 def : Pat<(extloadi1 iaddr:$src),
1219 def : Pat<(extloadi1 xaddr:$src),
1221 def : Pat<(extloadi8 iaddr:$src),
1223 def : Pat<(extloadi8 xaddr:$src),
1225 def : Pat<(extloadi16 iaddr:$src),
1227 def : Pat<(extloadi16 xaddr:$src),
1229 def : Pat<(extloadf32 iaddr:$src),
1230 (FMRSD (LFS iaddr:$src))>;
1231 def : Pat<(extloadf32 xaddr:$src),
1232 (FMRSD (LFSX xaddr:$src))>;
1234 include "PPCInstrAltivec.td"
1235 include "PPCInstr64Bit.td"