1 //===- PPCInstrInfo.td - The PowerPC Instruction Set -------*- tablegen -*-===//
3 // The LLVM Compiler Infrastructure
5 // This file was developed by the LLVM research group and is distributed under
6 // the University of Illinois Open Source 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_PPCShiftOp : SDTypeProfile<1, 2, [ // PPCshl, PPCsra, PPCsrl
24 SDTCisVT<0, i32>, SDTCisVT<1, i32>, SDTCisVT<2, i32>
26 def SDT_PPCCallSeq : SDTypeProfile<0, 1, [ SDTCisVT<0, i32> ]>;
28 def SDT_PPCvperm : SDTypeProfile<1, 3, [
29 SDTCisVT<3, v16i8>, SDTCisSameAs<0, 1>, SDTCisSameAs<0, 2>
32 def SDT_PPCvcmp : SDTypeProfile<1, 3, [
33 SDTCisSameAs<0, 1>, SDTCisSameAs<1, 2>, SDTCisVT<3, i32>
36 def SDT_PPCcondbr : SDTypeProfile<0, 3, [
37 SDTCisVT<0, i32>, SDTCisVT<2, OtherVT>
40 def SDT_PPClbrx : SDTypeProfile<1, 3, [
41 SDTCisVT<0, i32>, SDTCisPtrTy<1>, SDTCisVT<2, OtherVT>, SDTCisVT<3, OtherVT>
43 def SDT_PPCstbrx : SDTypeProfile<0, 4, [
44 SDTCisVT<0, i32>, SDTCisPtrTy<1>, SDTCisVT<2, OtherVT>, SDTCisVT<3, OtherVT>
47 //===----------------------------------------------------------------------===//
48 // PowerPC specific DAG Nodes.
51 def PPCfcfid : SDNode<"PPCISD::FCFID" , SDTFPUnaryOp, []>;
52 def PPCfctidz : SDNode<"PPCISD::FCTIDZ", SDTFPUnaryOp, []>;
53 def PPCfctiwz : SDNode<"PPCISD::FCTIWZ", SDTFPUnaryOp, []>;
54 def PPCstfiwx : SDNode<"PPCISD::STFIWX", SDT_PPCstfiwx, [SDNPHasChain]>;
56 // This sequence is used for long double->int conversions. It changes the
57 // bits in the FPSCR which is not modelled.
58 def PPCmffs : SDNode<"PPCISD::MFFS", SDTypeProfile<1, 0, [SDTCisVT<0, f64>]>,
60 def PPCmtfsb0 : SDNode<"PPCISD::MTFSB0", SDTypeProfile<0, 1, [SDTCisInt<0>]>,
61 [SDNPInFlag, SDNPOutFlag]>;
62 def PPCmtfsb1 : SDNode<"PPCISD::MTFSB1", SDTypeProfile<0, 1, [SDTCisInt<0>]>,
63 [SDNPInFlag, SDNPOutFlag]>;
64 def PPCfaddrtz: SDNode<"PPCISD::FADDRTZ", SDTFPBinOp,
65 [SDNPInFlag, SDNPOutFlag]>;
66 def PPCmtfsf : SDNode<"PPCISD::MTFSF", SDTypeProfile<1, 3,
67 [SDTCisVT<0, f64>, SDTCisInt<1>, SDTCisVT<2, f64>,
71 def PPCfsel : SDNode<"PPCISD::FSEL",
72 // Type constraint for fsel.
73 SDTypeProfile<1, 3, [SDTCisSameAs<0, 2>, SDTCisSameAs<0, 3>,
74 SDTCisFP<0>, SDTCisVT<1, f64>]>, []>;
76 def PPChi : SDNode<"PPCISD::Hi", SDTIntBinOp, []>;
77 def PPClo : SDNode<"PPCISD::Lo", SDTIntBinOp, []>;
78 def PPCvmaddfp : SDNode<"PPCISD::VMADDFP", SDTFPTernaryOp, []>;
79 def PPCvnmsubfp : SDNode<"PPCISD::VNMSUBFP", SDTFPTernaryOp, []>;
81 def PPCvperm : SDNode<"PPCISD::VPERM", SDT_PPCvperm, []>;
83 // These nodes represent the 32-bit PPC shifts that operate on 6-bit shift
84 // amounts. These nodes are generated by the multi-precision shift code.
85 def PPCsrl : SDNode<"PPCISD::SRL" , SDT_PPCShiftOp>;
86 def PPCsra : SDNode<"PPCISD::SRA" , SDT_PPCShiftOp>;
87 def PPCshl : SDNode<"PPCISD::SHL" , SDT_PPCShiftOp>;
89 def PPCextsw_32 : SDNode<"PPCISD::EXTSW_32" , SDTIntUnaryOp>;
90 def PPCstd_32 : SDNode<"PPCISD::STD_32" , SDTStore, [SDNPHasChain]>;
92 // These are target-independent nodes, but have target-specific formats.
93 def callseq_start : SDNode<"ISD::CALLSEQ_START", SDT_PPCCallSeq,
94 [SDNPHasChain, SDNPOutFlag]>;
95 def callseq_end : SDNode<"ISD::CALLSEQ_END", SDT_PPCCallSeq,
96 [SDNPHasChain, 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", SDTRet,
106 [SDNPHasChain, SDNPOptInFlag, SDNPOutFlag]>;
108 def PPCbctrl_ELF : SDNode<"PPCISD::BCTRL_ELF", SDTRet,
109 [SDNPHasChain, SDNPOptInFlag, SDNPOutFlag]>;
111 def retflag : SDNode<"PPCISD::RET_FLAG", SDTRet,
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, [SDNPHasChain]>;
121 def PPCstbrx : SDNode<"PPCISD::STBRX", SDT_PPCstbrx, [SDNPHasChain]>;
123 // Instructions to support dynamic alloca.
124 def SDTDynOp : SDTypeProfile<1, 2, []>;
125 def PPCdynalloc : SDNode<"PPCISD::DYNALLOC", SDTDynOp, [SDNPHasChain]>;
127 //===----------------------------------------------------------------------===//
128 // PowerPC specific transformation functions and pattern fragments.
131 def SHL32 : SDNodeXForm<imm, [{
132 // Transformation function: 31 - imm
133 return getI32Imm(31 - N->getValue());
136 def SRL32 : SDNodeXForm<imm, [{
137 // Transformation function: 32 - imm
138 return N->getValue() ? getI32Imm(32 - N->getValue()) : getI32Imm(0);
141 def LO16 : SDNodeXForm<imm, [{
142 // Transformation function: get the low 16 bits.
143 return getI32Imm((unsigned short)N->getValue());
146 def HI16 : SDNodeXForm<imm, [{
147 // Transformation function: shift the immediate value down into the low bits.
148 return getI32Imm((unsigned)N->getValue() >> 16);
151 def HA16 : SDNodeXForm<imm, [{
152 // Transformation function: shift the immediate value down into the low bits.
153 signed int Val = N->getValue();
154 return getI32Imm((Val - (signed short)Val) >> 16);
156 def MB : SDNodeXForm<imm, [{
157 // Transformation function: get the start bit of a mask
159 (void)isRunOfOnes((unsigned)N->getValue(), mb, me);
160 return getI32Imm(mb);
163 def ME : SDNodeXForm<imm, [{
164 // Transformation function: get the end bit of a mask
166 (void)isRunOfOnes((unsigned)N->getValue(), mb, me);
167 return getI32Imm(me);
169 def maskimm32 : PatLeaf<(imm), [{
170 // maskImm predicate - True if immediate is a run of ones.
172 if (N->getValueType(0) == MVT::i32)
173 return isRunOfOnes((unsigned)N->getValue(), mb, me);
178 def immSExt16 : PatLeaf<(imm), [{
179 // immSExt16 predicate - True if the immediate fits in a 16-bit sign extended
180 // field. Used by instructions like 'addi'.
181 if (N->getValueType(0) == MVT::i32)
182 return (int32_t)N->getValue() == (short)N->getValue();
184 return (int64_t)N->getValue() == (short)N->getValue();
186 def immZExt16 : PatLeaf<(imm), [{
187 // immZExt16 predicate - True if the immediate fits in a 16-bit zero extended
188 // field. Used by instructions like 'ori'.
189 return (uint64_t)N->getValue() == (unsigned short)N->getValue();
192 // imm16Shifted* - These match immediates where the low 16-bits are zero. There
193 // are two forms: imm16ShiftedSExt and imm16ShiftedZExt. These two forms are
194 // identical in 32-bit mode, but in 64-bit mode, they return true if the
195 // immediate fits into a sign/zero extended 32-bit immediate (with the low bits
197 def imm16ShiftedZExt : PatLeaf<(imm), [{
198 // imm16ShiftedZExt predicate - True if only bits in the top 16-bits of the
199 // immediate are set. Used by instructions like 'xoris'.
200 return (N->getValue() & ~uint64_t(0xFFFF0000)) == 0;
203 def imm16ShiftedSExt : PatLeaf<(imm), [{
204 // imm16ShiftedSExt predicate - True if only bits in the top 16-bits of the
205 // immediate are set. Used by instructions like 'addis'. Identical to
206 // imm16ShiftedZExt in 32-bit mode.
207 if (N->getValue() & 0xFFFF) return false;
208 if (N->getValueType(0) == MVT::i32)
210 // For 64-bit, make sure it is sext right.
211 return N->getValue() == (uint64_t)(int)N->getValue();
215 //===----------------------------------------------------------------------===//
216 // PowerPC Flag Definitions.
218 class isPPC64 { bit PPC64 = 1; }
220 list<Register> Defs = [CR0];
224 class RegConstraint<string C> {
225 string Constraints = C;
227 class NoEncode<string E> {
228 string DisableEncoding = E;
232 //===----------------------------------------------------------------------===//
233 // PowerPC Operand Definitions.
235 def s5imm : Operand<i32> {
236 let PrintMethod = "printS5ImmOperand";
238 def u5imm : Operand<i32> {
239 let PrintMethod = "printU5ImmOperand";
241 def u6imm : Operand<i32> {
242 let PrintMethod = "printU6ImmOperand";
244 def s16imm : Operand<i32> {
245 let PrintMethod = "printS16ImmOperand";
247 def u16imm : Operand<i32> {
248 let PrintMethod = "printU16ImmOperand";
250 def s16immX4 : Operand<i32> { // Multiply imm by 4 before printing.
251 let PrintMethod = "printS16X4ImmOperand";
253 def target : Operand<OtherVT> {
254 let PrintMethod = "printBranchOperand";
256 def calltarget : Operand<iPTR> {
257 let PrintMethod = "printCallOperand";
259 def aaddr : Operand<iPTR> {
260 let PrintMethod = "printAbsAddrOperand";
262 def piclabel: Operand<iPTR> {
263 let PrintMethod = "printPICLabel";
265 def symbolHi: Operand<i32> {
266 let PrintMethod = "printSymbolHi";
268 def symbolLo: Operand<i32> {
269 let PrintMethod = "printSymbolLo";
271 def crbitm: Operand<i8> {
272 let PrintMethod = "printcrbitm";
275 def memri : Operand<iPTR> {
276 let PrintMethod = "printMemRegImm";
277 let MIOperandInfo = (ops i32imm:$imm, ptr_rc:$reg);
279 def memrr : Operand<iPTR> {
280 let PrintMethod = "printMemRegReg";
281 let MIOperandInfo = (ops ptr_rc, ptr_rc);
283 def memrix : Operand<iPTR> { // memri where the imm is shifted 2 bits.
284 let PrintMethod = "printMemRegImmShifted";
285 let MIOperandInfo = (ops i32imm:$imm, ptr_rc:$reg);
288 // PowerPC Predicate operand. 20 = (0<<5)|20 = always, CR0 is a dummy reg
289 // that doesn't matter.
290 def pred : PredicateOperand<OtherVT, (ops imm, CRRC),
291 (ops (i32 20), CR0)> {
292 let PrintMethod = "printPredicateOperand";
295 // Define PowerPC specific addressing mode.
296 def iaddr : ComplexPattern<iPTR, 2, "SelectAddrImm", [], []>;
297 def xaddr : ComplexPattern<iPTR, 2, "SelectAddrIdx", [], []>;
298 def xoaddr : ComplexPattern<iPTR, 2, "SelectAddrIdxOnly",[], []>;
299 def ixaddr : ComplexPattern<iPTR, 2, "SelectAddrImmShift", [], []>; // "std"
301 /// This is just the offset part of iaddr, used for preinc.
302 def iaddroff : ComplexPattern<iPTR, 1, "SelectAddrImmOffs", [], []>;
304 //===----------------------------------------------------------------------===//
305 // PowerPC Instruction Predicate Definitions.
306 def FPContractions : Predicate<"!NoExcessFPPrecision">;
309 //===----------------------------------------------------------------------===//
310 // PowerPC Instruction Definitions.
312 // Pseudo-instructions:
314 let hasCtrlDep = 1 in {
315 let Defs = [R1], Uses = [R1] in {
316 def ADJCALLSTACKDOWN : Pseudo<(outs), (ins u16imm:$amt),
317 "${:comment} ADJCALLSTACKDOWN",
318 [(callseq_start imm:$amt)]>;
319 def ADJCALLSTACKUP : Pseudo<(outs), (ins u16imm:$amt),
320 "${:comment} ADJCALLSTACKUP",
321 [(callseq_end imm:$amt)]>;
324 def UPDATE_VRSAVE : Pseudo<(outs GPRC:$rD), (ins GPRC:$rS),
325 "UPDATE_VRSAVE $rD, $rS", []>;
328 let Defs = [R1], Uses = [R1] in
329 def DYNALLOC : Pseudo<(outs GPRC:$result), (ins GPRC:$negsize, memri:$fpsi),
330 "${:comment} DYNALLOC $result, $negsize, $fpsi",
332 (PPCdynalloc GPRC:$negsize, iaddr:$fpsi))]>;
334 def IMPLICIT_DEF_GPRC: Pseudo<(outs GPRC:$rD), (ins),
335 "${:comment}IMPLICIT_DEF_GPRC $rD",
336 [(set GPRC:$rD, (undef))]>;
337 def IMPLICIT_DEF_F8 : Pseudo<(outs F8RC:$rD), (ins),
338 "${:comment} IMPLICIT_DEF_F8 $rD",
339 [(set F8RC:$rD, (undef))]>;
340 def IMPLICIT_DEF_F4 : Pseudo<(outs F4RC:$rD), (ins),
341 "${:comment} IMPLICIT_DEF_F4 $rD",
342 [(set F4RC:$rD, (undef))]>;
344 // SELECT_CC_* - Used to implement the SELECT_CC DAG operation. Expanded by the
345 // scheduler into a branch sequence.
346 let usesCustomDAGSchedInserter = 1, // Expanded by the scheduler.
347 PPC970_Single = 1 in {
348 def SELECT_CC_I4 : Pseudo<(outs GPRC:$dst), (ins CRRC:$cond, GPRC:$T, GPRC:$F,
349 i32imm:$BROPC), "${:comment} SELECT_CC PSEUDO!",
351 def SELECT_CC_I8 : Pseudo<(outs G8RC:$dst), (ins CRRC:$cond, G8RC:$T, G8RC:$F,
352 i32imm:$BROPC), "${:comment} SELECT_CC PSEUDO!",
354 def SELECT_CC_F4 : Pseudo<(outs F4RC:$dst), (ins CRRC:$cond, F4RC:$T, F4RC:$F,
355 i32imm:$BROPC), "${:comment} SELECT_CC PSEUDO!",
357 def SELECT_CC_F8 : Pseudo<(outs F8RC:$dst), (ins CRRC:$cond, F8RC:$T, F8RC:$F,
358 i32imm:$BROPC), "${:comment} SELECT_CC PSEUDO!",
360 def SELECT_CC_VRRC: Pseudo<(outs VRRC:$dst), (ins CRRC:$cond, VRRC:$T, VRRC:$F,
361 i32imm:$BROPC), "${:comment} SELECT_CC PSEUDO!",
365 let isTerminator = 1, isBarrier = 1, PPC970_Unit = 7 in {
367 def BLR : XLForm_2_br<19, 16, 0, (outs), (ins pred:$p),
368 "b${p:cc}lr ${p:reg}", BrB,
370 def BCTR : XLForm_2_ext<19, 528, 20, 0, 0, (outs), (ins), "bctr", BrB, []>;
376 def MovePCtoLR : Pseudo<(outs), (ins piclabel:$label), "bl $label", []>,
379 let isBranch = 1, isTerminator = 1, hasCtrlDep = 1, PPC970_Unit = 7 in {
380 let isBarrier = 1 in {
381 def B : IForm<18, 0, 0, (outs), (ins target:$dst),
386 // BCC represents an arbitrary conditional branch on a predicate.
387 // FIXME: should be able to write a pattern for PPCcondbranch, but can't use
388 // a two-value operand where a dag node expects two operands. :(
389 def BCC : BForm<16, 0, 0, (outs), (ins pred:$cond, target:$dst),
390 "b${cond:cc} ${cond:reg}, $dst"
391 /*[(PPCcondbranch CRRC:$crS, imm:$opc, bb:$dst)]*/>;
395 let isCall = 1, PPC970_Unit = 7,
396 // All calls clobber the non-callee saved registers...
397 Defs = [R0,R2,R3,R4,R5,R6,R7,R8,R9,R10,R11,R12,
398 F0,F1,F2,F3,F4,F5,F6,F7,F8,F9,F10,F11,F12,F13,
399 V0,V1,V2,V3,V4,V5,V6,V7,V8,V9,V10,V11,V12,V13,V14,V15,V16,V17,V18,V19,
401 CR0,CR1,CR5,CR6,CR7] in {
402 // Convenient aliases for call instructions
403 def BL_Macho : IForm<18, 0, 1,
404 (outs), (ins calltarget:$func, variable_ops),
405 "bl $func", BrB, []>; // See Pat patterns below.
406 def BLA_Macho : IForm<18, 1, 1,
407 (outs), (ins aaddr:$func, variable_ops),
408 "bla $func", BrB, [(PPCcall_Macho (i32 imm:$func))]>;
409 def BCTRL_Macho : XLForm_2_ext<19, 528, 20, 0, 1,
410 (outs), (ins variable_ops),
416 let isCall = 1, PPC970_Unit = 7,
417 // All calls clobber the non-callee saved registers...
418 Defs = [R0,R2,R3,R4,R5,R6,R7,R8,R9,R10,R11,R12,
419 F0,F1,F2,F3,F4,F5,F6,F7,F8,
420 V0,V1,V2,V3,V4,V5,V6,V7,V8,V9,V10,V11,V12,V13,V14,V15,V16,V17,V18,V19,
422 CR0,CR1,CR5,CR6,CR7] in {
423 // Convenient aliases for call instructions
424 def BL_ELF : IForm<18, 0, 1,
425 (outs), (ins calltarget:$func, variable_ops),
426 "bl $func", BrB, []>; // See Pat patterns below.
427 def BLA_ELF : IForm<18, 1, 1,
428 (outs), (ins aaddr:$func, variable_ops),
430 [(PPCcall_ELF (i32 imm:$func))]>;
431 def BCTRL_ELF : XLForm_2_ext<19, 528, 20, 0, 1,
432 (outs), (ins variable_ops),
437 // DCB* instructions.
438 def DCBA : DCB_Form<758, 0, (outs), (ins memrr:$dst),
439 "dcba $dst", LdStDCBF, [(int_ppc_dcba xoaddr:$dst)]>,
440 PPC970_DGroup_Single;
441 def DCBF : DCB_Form<86, 0, (outs), (ins memrr:$dst),
442 "dcbf $dst", LdStDCBF, [(int_ppc_dcbf xoaddr:$dst)]>,
443 PPC970_DGroup_Single;
444 def DCBI : DCB_Form<470, 0, (outs), (ins memrr:$dst),
445 "dcbi $dst", LdStDCBF, [(int_ppc_dcbi xoaddr:$dst)]>,
446 PPC970_DGroup_Single;
447 def DCBST : DCB_Form<54, 0, (outs), (ins memrr:$dst),
448 "dcbst $dst", LdStDCBF, [(int_ppc_dcbst xoaddr:$dst)]>,
449 PPC970_DGroup_Single;
450 def DCBT : DCB_Form<278, 0, (outs), (ins memrr:$dst),
451 "dcbt $dst", LdStDCBF, [(int_ppc_dcbt xoaddr:$dst)]>,
452 PPC970_DGroup_Single;
453 def DCBTST : DCB_Form<246, 0, (outs), (ins memrr:$dst),
454 "dcbtst $dst", LdStDCBF, [(int_ppc_dcbtst xoaddr:$dst)]>,
455 PPC970_DGroup_Single;
456 def DCBZ : DCB_Form<1014, 0, (outs), (ins memrr:$dst),
457 "dcbz $dst", LdStDCBF, [(int_ppc_dcbz xoaddr:$dst)]>,
458 PPC970_DGroup_Single;
459 def DCBZL : DCB_Form<1014, 1, (outs), (ins memrr:$dst),
460 "dcbzl $dst", LdStDCBF, [(int_ppc_dcbzl xoaddr:$dst)]>,
461 PPC970_DGroup_Single;
463 //===----------------------------------------------------------------------===//
464 // PPC32 Load Instructions.
467 // Unindexed (r+i) Loads.
468 let isLoad = 1, PPC970_Unit = 2 in {
469 def LBZ : DForm_1<34, (outs GPRC:$rD), (ins memri:$src),
470 "lbz $rD, $src", LdStGeneral,
471 [(set GPRC:$rD, (zextloadi8 iaddr:$src))]>;
472 def LHA : DForm_1<42, (outs GPRC:$rD), (ins memri:$src),
473 "lha $rD, $src", LdStLHA,
474 [(set GPRC:$rD, (sextloadi16 iaddr:$src))]>,
475 PPC970_DGroup_Cracked;
476 def LHZ : DForm_1<40, (outs GPRC:$rD), (ins memri:$src),
477 "lhz $rD, $src", LdStGeneral,
478 [(set GPRC:$rD, (zextloadi16 iaddr:$src))]>;
479 def LWZ : DForm_1<32, (outs GPRC:$rD), (ins memri:$src),
480 "lwz $rD, $src", LdStGeneral,
481 [(set GPRC:$rD, (load iaddr:$src))]>;
483 def LFS : DForm_1<48, (outs F4RC:$rD), (ins memri:$src),
484 "lfs $rD, $src", LdStLFDU,
485 [(set F4RC:$rD, (load iaddr:$src))]>;
486 def LFD : DForm_1<50, (outs F8RC:$rD), (ins memri:$src),
487 "lfd $rD, $src", LdStLFD,
488 [(set F8RC:$rD, (load iaddr:$src))]>;
491 // Unindexed (r+i) Loads with Update (preinc).
492 def LBZU : DForm_1<35, (outs GPRC:$rD, ptr_rc:$ea_result), (ins memri:$addr),
493 "lbzu $rD, $addr", LdStGeneral,
494 []>, RegConstraint<"$addr.reg = $ea_result">,
495 NoEncode<"$ea_result">;
497 def LHAU : DForm_1<43, (outs GPRC:$rD, ptr_rc:$ea_result), (ins memri:$addr),
498 "lhau $rD, $addr", LdStGeneral,
499 []>, RegConstraint<"$addr.reg = $ea_result">,
500 NoEncode<"$ea_result">;
502 def LHZU : DForm_1<41, (outs GPRC:$rD, ptr_rc:$ea_result), (ins memri:$addr),
503 "lhzu $rD, $addr", LdStGeneral,
504 []>, RegConstraint<"$addr.reg = $ea_result">,
505 NoEncode<"$ea_result">;
507 def LWZU : DForm_1<33, (outs GPRC:$rD, ptr_rc:$ea_result), (ins memri:$addr),
508 "lwzu $rD, $addr", LdStGeneral,
509 []>, RegConstraint<"$addr.reg = $ea_result">,
510 NoEncode<"$ea_result">;
512 def LFSU : DForm_1<49, (outs F4RC:$rD, ptr_rc:$ea_result), (ins memri:$addr),
513 "lfs $rD, $addr", LdStLFDU,
514 []>, RegConstraint<"$addr.reg = $ea_result">,
515 NoEncode<"$ea_result">;
517 def LFDU : DForm_1<51, (outs F8RC:$rD, ptr_rc:$ea_result), (ins memri:$addr),
518 "lfd $rD, $addr", LdStLFD,
519 []>, RegConstraint<"$addr.reg = $ea_result">,
520 NoEncode<"$ea_result">;
523 // Indexed (r+r) Loads.
525 let isLoad = 1, PPC970_Unit = 2 in {
526 def LBZX : XForm_1<31, 87, (outs GPRC:$rD), (ins memrr:$src),
527 "lbzx $rD, $src", LdStGeneral,
528 [(set GPRC:$rD, (zextloadi8 xaddr:$src))]>;
529 def LHAX : XForm_1<31, 343, (outs GPRC:$rD), (ins memrr:$src),
530 "lhax $rD, $src", LdStLHA,
531 [(set GPRC:$rD, (sextloadi16 xaddr:$src))]>,
532 PPC970_DGroup_Cracked;
533 def LHZX : XForm_1<31, 279, (outs GPRC:$rD), (ins memrr:$src),
534 "lhzx $rD, $src", LdStGeneral,
535 [(set GPRC:$rD, (zextloadi16 xaddr:$src))]>;
536 def LWZX : XForm_1<31, 23, (outs GPRC:$rD), (ins memrr:$src),
537 "lwzx $rD, $src", LdStGeneral,
538 [(set GPRC:$rD, (load xaddr:$src))]>;
541 def LHBRX : XForm_1<31, 790, (outs GPRC:$rD), (ins memrr:$src),
542 "lhbrx $rD, $src", LdStGeneral,
543 [(set GPRC:$rD, (PPClbrx xoaddr:$src, srcvalue:$sv, i16))]>;
544 def LWBRX : XForm_1<31, 534, (outs GPRC:$rD), (ins memrr:$src),
545 "lwbrx $rD, $src", LdStGeneral,
546 [(set GPRC:$rD, (PPClbrx xoaddr:$src, srcvalue:$sv, i32))]>;
548 def LFSX : XForm_25<31, 535, (outs F4RC:$frD), (ins memrr:$src),
549 "lfsx $frD, $src", LdStLFDU,
550 [(set F4RC:$frD, (load xaddr:$src))]>;
551 def LFDX : XForm_25<31, 599, (outs F8RC:$frD), (ins memrr:$src),
552 "lfdx $frD, $src", LdStLFDU,
553 [(set F8RC:$frD, (load xaddr:$src))]>;
556 //===----------------------------------------------------------------------===//
557 // PPC32 Store Instructions.
560 // Unindexed (r+i) Stores.
561 let isStore = 1, PPC970_Unit = 2 in {
562 def STB : DForm_1<38, (outs), (ins GPRC:$rS, memri:$src),
563 "stb $rS, $src", LdStGeneral,
564 [(truncstorei8 GPRC:$rS, iaddr:$src)]>;
565 def STH : DForm_1<44, (outs), (ins GPRC:$rS, memri:$src),
566 "sth $rS, $src", LdStGeneral,
567 [(truncstorei16 GPRC:$rS, iaddr:$src)]>;
568 def STW : DForm_1<36, (outs), (ins GPRC:$rS, memri:$src),
569 "stw $rS, $src", LdStGeneral,
570 [(store GPRC:$rS, iaddr:$src)]>;
571 def STFS : DForm_1<52, (outs), (ins F4RC:$rS, memri:$dst),
572 "stfs $rS, $dst", LdStUX,
573 [(store F4RC:$rS, iaddr:$dst)]>;
574 def STFD : DForm_1<54, (outs), (ins F8RC:$rS, memri:$dst),
575 "stfd $rS, $dst", LdStUX,
576 [(store F8RC:$rS, iaddr:$dst)]>;
579 // Unindexed (r+i) Stores with Update (preinc).
580 let isStore = 1, PPC970_Unit = 2 in {
581 def STBU : DForm_1<39, (outs ptr_rc:$ea_res), (ins GPRC:$rS,
582 symbolLo:$ptroff, ptr_rc:$ptrreg),
583 "stbu $rS, $ptroff($ptrreg)", LdStGeneral,
584 [(set ptr_rc:$ea_res,
585 (pre_truncsti8 GPRC:$rS, ptr_rc:$ptrreg,
586 iaddroff:$ptroff))]>,
587 RegConstraint<"$ptrreg = $ea_res">, NoEncode<"$ea_res">;
588 def STHU : DForm_1<45, (outs ptr_rc:$ea_res), (ins GPRC:$rS,
589 symbolLo:$ptroff, ptr_rc:$ptrreg),
590 "sthu $rS, $ptroff($ptrreg)", LdStGeneral,
591 [(set ptr_rc:$ea_res,
592 (pre_truncsti16 GPRC:$rS, ptr_rc:$ptrreg,
593 iaddroff:$ptroff))]>,
594 RegConstraint<"$ptrreg = $ea_res">, NoEncode<"$ea_res">;
595 def STWU : DForm_1<37, (outs ptr_rc:$ea_res), (ins GPRC:$rS,
596 symbolLo:$ptroff, ptr_rc:$ptrreg),
597 "stwu $rS, $ptroff($ptrreg)", LdStGeneral,
598 [(set ptr_rc:$ea_res, (pre_store GPRC:$rS, ptr_rc:$ptrreg,
599 iaddroff:$ptroff))]>,
600 RegConstraint<"$ptrreg = $ea_res">, NoEncode<"$ea_res">;
601 def STFSU : DForm_1<37, (outs ptr_rc:$ea_res), (ins F4RC:$rS,
602 symbolLo:$ptroff, ptr_rc:$ptrreg),
603 "stfsu $rS, $ptroff($ptrreg)", LdStGeneral,
604 [(set ptr_rc:$ea_res, (pre_store F4RC:$rS, ptr_rc:$ptrreg,
605 iaddroff:$ptroff))]>,
606 RegConstraint<"$ptrreg = $ea_res">, NoEncode<"$ea_res">;
607 def STFDU : DForm_1<37, (outs ptr_rc:$ea_res), (ins F8RC:$rS,
608 symbolLo:$ptroff, ptr_rc:$ptrreg),
609 "stfdu $rS, $ptroff($ptrreg)", LdStGeneral,
610 [(set ptr_rc:$ea_res, (pre_store F8RC:$rS, ptr_rc:$ptrreg,
611 iaddroff:$ptroff))]>,
612 RegConstraint<"$ptrreg = $ea_res">, NoEncode<"$ea_res">;
616 // Indexed (r+r) Stores.
618 let isStore = 1, PPC970_Unit = 2 in {
619 def STBX : XForm_8<31, 215, (outs), (ins GPRC:$rS, memrr:$dst),
620 "stbx $rS, $dst", LdStGeneral,
621 [(truncstorei8 GPRC:$rS, xaddr:$dst)]>,
622 PPC970_DGroup_Cracked;
623 def STHX : XForm_8<31, 407, (outs), (ins GPRC:$rS, memrr:$dst),
624 "sthx $rS, $dst", LdStGeneral,
625 [(truncstorei16 GPRC:$rS, xaddr:$dst)]>,
626 PPC970_DGroup_Cracked;
627 def STWX : XForm_8<31, 151, (outs), (ins GPRC:$rS, memrr:$dst),
628 "stwx $rS, $dst", LdStGeneral,
629 [(store GPRC:$rS, xaddr:$dst)]>,
630 PPC970_DGroup_Cracked;
631 def STWUX : XForm_8<31, 183, (outs), (ins GPRC:$rS, GPRC:$rA, GPRC:$rB),
632 "stwux $rS, $rA, $rB", LdStGeneral,
634 def STHBRX: XForm_8<31, 918, (outs), (ins GPRC:$rS, memrr:$dst),
635 "sthbrx $rS, $dst", LdStGeneral,
636 [(PPCstbrx GPRC:$rS, xoaddr:$dst, srcvalue:$dummy, i16)]>,
637 PPC970_DGroup_Cracked;
638 def STWBRX: XForm_8<31, 662, (outs), (ins GPRC:$rS, memrr:$dst),
639 "stwbrx $rS, $dst", LdStGeneral,
640 [(PPCstbrx GPRC:$rS, xoaddr:$dst, srcvalue:$dummy, i32)]>,
641 PPC970_DGroup_Cracked;
643 def STFIWX: XForm_28<31, 983, (outs), (ins F8RC:$frS, memrr:$dst),
644 "stfiwx $frS, $dst", LdStUX,
645 [(PPCstfiwx F8RC:$frS, xoaddr:$dst)]>;
646 def STFSX : XForm_28<31, 663, (outs), (ins F4RC:$frS, memrr:$dst),
647 "stfsx $frS, $dst", LdStUX,
648 [(store F4RC:$frS, xaddr:$dst)]>;
649 def STFDX : XForm_28<31, 727, (outs), (ins F8RC:$frS, memrr:$dst),
650 "stfdx $frS, $dst", LdStUX,
651 [(store F8RC:$frS, xaddr:$dst)]>;
655 //===----------------------------------------------------------------------===//
656 // PPC32 Arithmetic Instructions.
659 let PPC970_Unit = 1 in { // FXU Operations.
660 def ADDI : DForm_2<14, (outs GPRC:$rD), (ins GPRC:$rA, s16imm:$imm),
661 "addi $rD, $rA, $imm", IntGeneral,
662 [(set GPRC:$rD, (add GPRC:$rA, immSExt16:$imm))]>;
663 def ADDIC : DForm_2<12, (outs GPRC:$rD), (ins GPRC:$rA, s16imm:$imm),
664 "addic $rD, $rA, $imm", IntGeneral,
665 [(set GPRC:$rD, (addc GPRC:$rA, immSExt16:$imm))]>,
666 PPC970_DGroup_Cracked;
667 def ADDICo : DForm_2<13, (outs GPRC:$rD), (ins GPRC:$rA, s16imm:$imm),
668 "addic. $rD, $rA, $imm", IntGeneral,
670 def ADDIS : DForm_2<15, (outs GPRC:$rD), (ins GPRC:$rA, symbolHi:$imm),
671 "addis $rD, $rA, $imm", IntGeneral,
672 [(set GPRC:$rD, (add GPRC:$rA, imm16ShiftedSExt:$imm))]>;
673 def LA : DForm_2<14, (outs GPRC:$rD), (ins GPRC:$rA, symbolLo:$sym),
674 "la $rD, $sym($rA)", IntGeneral,
675 [(set GPRC:$rD, (add GPRC:$rA,
676 (PPClo tglobaladdr:$sym, 0)))]>;
677 def MULLI : DForm_2< 7, (outs GPRC:$rD), (ins GPRC:$rA, s16imm:$imm),
678 "mulli $rD, $rA, $imm", IntMulLI,
679 [(set GPRC:$rD, (mul GPRC:$rA, immSExt16:$imm))]>;
680 def SUBFIC : DForm_2< 8, (outs GPRC:$rD), (ins GPRC:$rA, s16imm:$imm),
681 "subfic $rD, $rA, $imm", IntGeneral,
682 [(set GPRC:$rD, (subc immSExt16:$imm, GPRC:$rA))]>;
683 def LI : DForm_2_r0<14, (outs GPRC:$rD), (ins symbolLo:$imm),
684 "li $rD, $imm", IntGeneral,
685 [(set GPRC:$rD, immSExt16:$imm)]>;
686 def LIS : DForm_2_r0<15, (outs GPRC:$rD), (ins symbolHi:$imm),
687 "lis $rD, $imm", IntGeneral,
688 [(set GPRC:$rD, imm16ShiftedSExt:$imm)]>;
691 let PPC970_Unit = 1 in { // FXU Operations.
692 def ANDIo : DForm_4<28, (outs GPRC:$dst), (ins GPRC:$src1, u16imm:$src2),
693 "andi. $dst, $src1, $src2", IntGeneral,
694 [(set GPRC:$dst, (and GPRC:$src1, immZExt16:$src2))]>,
696 def ANDISo : DForm_4<29, (outs GPRC:$dst), (ins GPRC:$src1, u16imm:$src2),
697 "andis. $dst, $src1, $src2", IntGeneral,
698 [(set GPRC:$dst, (and GPRC:$src1,imm16ShiftedZExt:$src2))]>,
700 def ORI : DForm_4<24, (outs GPRC:$dst), (ins GPRC:$src1, u16imm:$src2),
701 "ori $dst, $src1, $src2", IntGeneral,
702 [(set GPRC:$dst, (or GPRC:$src1, immZExt16:$src2))]>;
703 def ORIS : DForm_4<25, (outs GPRC:$dst), (ins GPRC:$src1, u16imm:$src2),
704 "oris $dst, $src1, $src2", IntGeneral,
705 [(set GPRC:$dst, (or GPRC:$src1, imm16ShiftedZExt:$src2))]>;
706 def XORI : DForm_4<26, (outs GPRC:$dst), (ins GPRC:$src1, u16imm:$src2),
707 "xori $dst, $src1, $src2", IntGeneral,
708 [(set GPRC:$dst, (xor GPRC:$src1, immZExt16:$src2))]>;
709 def XORIS : DForm_4<27, (outs GPRC:$dst), (ins GPRC:$src1, u16imm:$src2),
710 "xoris $dst, $src1, $src2", IntGeneral,
711 [(set GPRC:$dst, (xor GPRC:$src1,imm16ShiftedZExt:$src2))]>;
712 def NOP : DForm_4_zero<24, (outs), (ins), "nop", IntGeneral,
714 def CMPWI : DForm_5_ext<11, (outs CRRC:$crD), (ins GPRC:$rA, s16imm:$imm),
715 "cmpwi $crD, $rA, $imm", IntCompare>;
716 def CMPLWI : DForm_6_ext<10, (outs CRRC:$dst), (ins GPRC:$src1, u16imm:$src2),
717 "cmplwi $dst, $src1, $src2", IntCompare>;
721 let PPC970_Unit = 1 in { // FXU Operations.
722 def NAND : XForm_6<31, 476, (outs GPRC:$rA), (ins GPRC:$rS, GPRC:$rB),
723 "nand $rA, $rS, $rB", IntGeneral,
724 [(set GPRC:$rA, (not (and GPRC:$rS, GPRC:$rB)))]>;
725 def AND : XForm_6<31, 28, (outs GPRC:$rA), (ins GPRC:$rS, GPRC:$rB),
726 "and $rA, $rS, $rB", IntGeneral,
727 [(set GPRC:$rA, (and GPRC:$rS, GPRC:$rB))]>;
728 def ANDC : XForm_6<31, 60, (outs GPRC:$rA), (ins GPRC:$rS, GPRC:$rB),
729 "andc $rA, $rS, $rB", IntGeneral,
730 [(set GPRC:$rA, (and GPRC:$rS, (not GPRC:$rB)))]>;
731 def OR : XForm_6<31, 444, (outs GPRC:$rA), (ins GPRC:$rS, GPRC:$rB),
732 "or $rA, $rS, $rB", IntGeneral,
733 [(set GPRC:$rA, (or GPRC:$rS, GPRC:$rB))]>;
734 def NOR : XForm_6<31, 124, (outs GPRC:$rA), (ins GPRC:$rS, GPRC:$rB),
735 "nor $rA, $rS, $rB", IntGeneral,
736 [(set GPRC:$rA, (not (or GPRC:$rS, GPRC:$rB)))]>;
737 def ORC : XForm_6<31, 412, (outs GPRC:$rA), (ins GPRC:$rS, GPRC:$rB),
738 "orc $rA, $rS, $rB", IntGeneral,
739 [(set GPRC:$rA, (or GPRC:$rS, (not GPRC:$rB)))]>;
740 def EQV : XForm_6<31, 284, (outs GPRC:$rA), (ins GPRC:$rS, GPRC:$rB),
741 "eqv $rA, $rS, $rB", IntGeneral,
742 [(set GPRC:$rA, (not (xor GPRC:$rS, GPRC:$rB)))]>;
743 def XOR : XForm_6<31, 316, (outs GPRC:$rA), (ins GPRC:$rS, GPRC:$rB),
744 "xor $rA, $rS, $rB", IntGeneral,
745 [(set GPRC:$rA, (xor GPRC:$rS, GPRC:$rB))]>;
746 def SLW : XForm_6<31, 24, (outs GPRC:$rA), (ins GPRC:$rS, GPRC:$rB),
747 "slw $rA, $rS, $rB", IntGeneral,
748 [(set GPRC:$rA, (PPCshl GPRC:$rS, GPRC:$rB))]>;
749 def SRW : XForm_6<31, 536, (outs GPRC:$rA), (ins GPRC:$rS, GPRC:$rB),
750 "srw $rA, $rS, $rB", IntGeneral,
751 [(set GPRC:$rA, (PPCsrl GPRC:$rS, GPRC:$rB))]>;
752 def SRAW : XForm_6<31, 792, (outs GPRC:$rA), (ins GPRC:$rS, GPRC:$rB),
753 "sraw $rA, $rS, $rB", IntShift,
754 [(set GPRC:$rA, (PPCsra GPRC:$rS, GPRC:$rB))]>;
757 let PPC970_Unit = 1 in { // FXU Operations.
758 def SRAWI : XForm_10<31, 824, (outs GPRC:$rA), (ins GPRC:$rS, u5imm:$SH),
759 "srawi $rA, $rS, $SH", IntShift,
760 [(set GPRC:$rA, (sra GPRC:$rS, (i32 imm:$SH)))]>;
761 def CNTLZW : XForm_11<31, 26, (outs GPRC:$rA), (ins GPRC:$rS),
762 "cntlzw $rA, $rS", IntGeneral,
763 [(set GPRC:$rA, (ctlz GPRC:$rS))]>;
764 def EXTSB : XForm_11<31, 954, (outs GPRC:$rA), (ins GPRC:$rS),
765 "extsb $rA, $rS", IntGeneral,
766 [(set GPRC:$rA, (sext_inreg GPRC:$rS, i8))]>;
767 def EXTSH : XForm_11<31, 922, (outs GPRC:$rA), (ins GPRC:$rS),
768 "extsh $rA, $rS", IntGeneral,
769 [(set GPRC:$rA, (sext_inreg GPRC:$rS, i16))]>;
771 def CMPW : XForm_16_ext<31, 0, (outs CRRC:$crD), (ins GPRC:$rA, GPRC:$rB),
772 "cmpw $crD, $rA, $rB", IntCompare>;
773 def CMPLW : XForm_16_ext<31, 32, (outs CRRC:$crD), (ins GPRC:$rA, GPRC:$rB),
774 "cmplw $crD, $rA, $rB", IntCompare>;
776 let PPC970_Unit = 3 in { // FPU Operations.
777 //def FCMPO : XForm_17<63, 32, (outs CRRC:$crD), (ins FPRC:$fA, FPRC:$fB),
778 // "fcmpo $crD, $fA, $fB", FPCompare>;
779 def FCMPUS : XForm_17<63, 0, (outs CRRC:$crD), (ins F4RC:$fA, F4RC:$fB),
780 "fcmpu $crD, $fA, $fB", FPCompare>;
781 def FCMPUD : XForm_17<63, 0, (outs CRRC:$crD), (ins F8RC:$fA, F8RC:$fB),
782 "fcmpu $crD, $fA, $fB", FPCompare>;
784 def FCTIWZ : XForm_26<63, 15, (outs F8RC:$frD), (ins F8RC:$frB),
785 "fctiwz $frD, $frB", FPGeneral,
786 [(set F8RC:$frD, (PPCfctiwz F8RC:$frB))]>;
787 def FRSP : XForm_26<63, 12, (outs F4RC:$frD), (ins F8RC:$frB),
788 "frsp $frD, $frB", FPGeneral,
789 [(set F4RC:$frD, (fround F8RC:$frB))]>;
790 def FSQRT : XForm_26<63, 22, (outs F8RC:$frD), (ins F8RC:$frB),
791 "fsqrt $frD, $frB", FPSqrt,
792 [(set F8RC:$frD, (fsqrt F8RC:$frB))]>;
793 def FSQRTS : XForm_26<59, 22, (outs F4RC:$frD), (ins F4RC:$frB),
794 "fsqrts $frD, $frB", FPSqrt,
795 [(set F4RC:$frD, (fsqrt F4RC:$frB))]>;
798 /// FMR is split into 3 versions, one for 4/8 byte FP, and one for extending.
800 /// Note that these are defined as pseudo-ops on the PPC970 because they are
801 /// often coalesced away and we don't want the dispatch group builder to think
802 /// that they will fill slots (which could cause the load of a LSU reject to
803 /// sneak into a d-group with a store).
804 def FMRS : XForm_26<63, 72, (outs F4RC:$frD), (ins F4RC:$frB),
805 "fmr $frD, $frB", FPGeneral,
806 []>, // (set F4RC:$frD, F4RC:$frB)
808 def FMRD : XForm_26<63, 72, (outs F8RC:$frD), (ins F8RC:$frB),
809 "fmr $frD, $frB", FPGeneral,
810 []>, // (set F8RC:$frD, F8RC:$frB)
812 def FMRSD : XForm_26<63, 72, (outs F8RC:$frD), (ins F4RC:$frB),
813 "fmr $frD, $frB", FPGeneral,
814 [(set F8RC:$frD, (fextend F4RC:$frB))]>,
817 let PPC970_Unit = 3 in { // FPU Operations.
818 // These are artificially split into two different forms, for 4/8 byte FP.
819 def FABSS : XForm_26<63, 264, (outs F4RC:$frD), (ins F4RC:$frB),
820 "fabs $frD, $frB", FPGeneral,
821 [(set F4RC:$frD, (fabs F4RC:$frB))]>;
822 def FABSD : XForm_26<63, 264, (outs F8RC:$frD), (ins F8RC:$frB),
823 "fabs $frD, $frB", FPGeneral,
824 [(set F8RC:$frD, (fabs F8RC:$frB))]>;
825 def FNABSS : XForm_26<63, 136, (outs F4RC:$frD), (ins F4RC:$frB),
826 "fnabs $frD, $frB", FPGeneral,
827 [(set F4RC:$frD, (fneg (fabs F4RC:$frB)))]>;
828 def FNABSD : XForm_26<63, 136, (outs F8RC:$frD), (ins F8RC:$frB),
829 "fnabs $frD, $frB", FPGeneral,
830 [(set F8RC:$frD, (fneg (fabs F8RC:$frB)))]>;
831 def FNEGS : XForm_26<63, 40, (outs F4RC:$frD), (ins F4RC:$frB),
832 "fneg $frD, $frB", FPGeneral,
833 [(set F4RC:$frD, (fneg F4RC:$frB))]>;
834 def FNEGD : XForm_26<63, 40, (outs F8RC:$frD), (ins F8RC:$frB),
835 "fneg $frD, $frB", FPGeneral,
836 [(set F8RC:$frD, (fneg F8RC:$frB))]>;
840 // XL-Form instructions. condition register logical ops.
842 def MCRF : XLForm_3<19, 0, (outs CRRC:$BF), (ins CRRC:$BFA),
843 "mcrf $BF, $BFA", BrMCR>,
844 PPC970_DGroup_First, PPC970_Unit_CRU;
846 def CREQV : XLForm_1<19, 289, (outs CRRC:$CRD), (ins CRRC:$CRA, CRRC:$CRB),
847 "creqv $CRD, $CRA, $CRB", BrCR,
850 def SETCR : XLForm_1_ext<19, 289, (outs CRRC:$dst), (ins),
851 "creqv $dst, $dst, $dst", BrCR,
854 // XFX-Form instructions. Instructions that deal with SPRs.
856 def MFCTR : XFXForm_1_ext<31, 339, 9, (outs GPRC:$rT), (ins),
857 "mfctr $rT", SprMFSPR>,
858 PPC970_DGroup_First, PPC970_Unit_FXU;
859 let Pattern = [(PPCmtctr GPRC:$rS)] in {
860 def MTCTR : XFXForm_7_ext<31, 467, 9, (outs), (ins GPRC:$rS),
861 "mtctr $rS", SprMTSPR>,
862 PPC970_DGroup_First, PPC970_Unit_FXU;
865 def MTLR : XFXForm_7_ext<31, 467, 8, (outs), (ins GPRC:$rS),
866 "mtlr $rS", SprMTSPR>,
867 PPC970_DGroup_First, PPC970_Unit_FXU;
868 def MFLR : XFXForm_1_ext<31, 339, 8, (outs GPRC:$rT), (ins),
869 "mflr $rT", SprMFSPR>,
870 PPC970_DGroup_First, PPC970_Unit_FXU;
872 // Move to/from VRSAVE: despite being a SPR, the VRSAVE register is renamed like
873 // a GPR on the PPC970. As such, copies in and out have the same performance
874 // characteristics as an OR instruction.
875 def MTVRSAVE : XFXForm_7_ext<31, 467, 256, (outs), (ins GPRC:$rS),
876 "mtspr 256, $rS", IntGeneral>,
877 PPC970_DGroup_Single, PPC970_Unit_FXU;
878 def MFVRSAVE : XFXForm_1_ext<31, 339, 256, (outs GPRC:$rT), (ins),
879 "mfspr $rT, 256", IntGeneral>,
880 PPC970_DGroup_First, PPC970_Unit_FXU;
882 def MTCRF : XFXForm_5<31, 144, (outs), (ins crbitm:$FXM, GPRC:$rS),
883 "mtcrf $FXM, $rS", BrMCRX>,
884 PPC970_MicroCode, PPC970_Unit_CRU;
885 def MFCR : XFXForm_3<31, 19, (outs GPRC:$rT), (ins), "mfcr $rT", SprMFCR>,
886 PPC970_MicroCode, PPC970_Unit_CRU;
887 def MFOCRF: XFXForm_5a<31, 19, (outs GPRC:$rT), (ins crbitm:$FXM),
888 "mfcr $rT, $FXM", SprMFCR>,
889 PPC970_DGroup_First, PPC970_Unit_CRU;
891 // Instructions to manipulate FPSCR. Only long double handling uses these.
892 // FPSCR is not modelled; we use the SDNode Flag to keep things in order.
894 def MFFS : XForm_42<63, 583, (outs F8RC:$rT), (ins),
896 [(set F8RC:$rT, (PPCmffs))]>,
897 PPC970_DGroup_Single, PPC970_Unit_FPU;
898 def MTFSB0 : XForm_43<63, 70, (outs), (ins u5imm:$FM),
899 "mtfsb0 $FM", IntMTFSB0,
900 [(PPCmtfsb0 (i32 imm:$FM))]>,
901 PPC970_DGroup_Single, PPC970_Unit_FPU;
902 def MTFSB1 : XForm_43<63, 38, (outs), (ins u5imm:$FM),
903 "mtfsb1 $FM", IntMTFSB0,
904 [(PPCmtfsb1 (i32 imm:$FM))]>,
905 PPC970_DGroup_Single, PPC970_Unit_FPU;
906 def FADDrtz: AForm_2<63, 21,
907 (outs F8RC:$FRT), (ins F8RC:$FRA, F8RC:$FRB),
908 "fadd $FRT, $FRA, $FRB", FPGeneral,
909 [(set F8RC:$FRT, (PPCfaddrtz F8RC:$FRA, F8RC:$FRB))]>,
910 PPC970_DGroup_Single, PPC970_Unit_FPU;
911 // MTFSF does not actually produce an FP result. We pretend it copies
912 // input reg B to the output. If we didn't do this it would look like the
913 // instruction had no outputs (because we aren't modelling the FPSCR) and
914 // it would be deleted.
915 def MTFSF : XFLForm<63, 711, (outs F8RC:$FRA),
916 (ins i32imm:$FM, F8RC:$rT, F8RC:$FRB),
917 "mtfsf $FM, $rT", "$FRB = $FRA", IntMTFSB0,
918 [(set F8RC:$FRA, (PPCmtfsf (i32 imm:$FM),
919 F8RC:$rT, F8RC:$FRB))]>,
920 PPC970_DGroup_Single, PPC970_Unit_FPU;
922 let PPC970_Unit = 1 in { // FXU Operations.
924 // XO-Form instructions. Arithmetic instructions that can set overflow bit
926 def ADD4 : XOForm_1<31, 266, 0, (outs GPRC:$rT), (ins GPRC:$rA, GPRC:$rB),
927 "add $rT, $rA, $rB", IntGeneral,
928 [(set GPRC:$rT, (add GPRC:$rA, GPRC:$rB))]>;
929 def ADDC : XOForm_1<31, 10, 0, (outs GPRC:$rT), (ins GPRC:$rA, GPRC:$rB),
930 "addc $rT, $rA, $rB", IntGeneral,
931 [(set GPRC:$rT, (addc GPRC:$rA, GPRC:$rB))]>,
932 PPC970_DGroup_Cracked;
933 def ADDE : XOForm_1<31, 138, 0, (outs GPRC:$rT), (ins GPRC:$rA, GPRC:$rB),
934 "adde $rT, $rA, $rB", IntGeneral,
935 [(set GPRC:$rT, (adde GPRC:$rA, GPRC:$rB))]>;
936 def DIVW : XOForm_1<31, 491, 0, (outs GPRC:$rT), (ins GPRC:$rA, GPRC:$rB),
937 "divw $rT, $rA, $rB", IntDivW,
938 [(set GPRC:$rT, (sdiv GPRC:$rA, GPRC:$rB))]>,
939 PPC970_DGroup_First, PPC970_DGroup_Cracked;
940 def DIVWU : XOForm_1<31, 459, 0, (outs GPRC:$rT), (ins GPRC:$rA, GPRC:$rB),
941 "divwu $rT, $rA, $rB", IntDivW,
942 [(set GPRC:$rT, (udiv GPRC:$rA, GPRC:$rB))]>,
943 PPC970_DGroup_First, PPC970_DGroup_Cracked;
944 def MULHW : XOForm_1<31, 75, 0, (outs GPRC:$rT), (ins GPRC:$rA, GPRC:$rB),
945 "mulhw $rT, $rA, $rB", IntMulHW,
946 [(set GPRC:$rT, (mulhs GPRC:$rA, GPRC:$rB))]>;
947 def MULHWU : XOForm_1<31, 11, 0, (outs GPRC:$rT), (ins GPRC:$rA, GPRC:$rB),
948 "mulhwu $rT, $rA, $rB", IntMulHWU,
949 [(set GPRC:$rT, (mulhu GPRC:$rA, GPRC:$rB))]>;
950 def MULLW : XOForm_1<31, 235, 0, (outs GPRC:$rT), (ins GPRC:$rA, GPRC:$rB),
951 "mullw $rT, $rA, $rB", IntMulHW,
952 [(set GPRC:$rT, (mul GPRC:$rA, GPRC:$rB))]>;
953 def SUBF : XOForm_1<31, 40, 0, (outs GPRC:$rT), (ins GPRC:$rA, GPRC:$rB),
954 "subf $rT, $rA, $rB", IntGeneral,
955 [(set GPRC:$rT, (sub GPRC:$rB, GPRC:$rA))]>;
956 def SUBFC : XOForm_1<31, 8, 0, (outs GPRC:$rT), (ins GPRC:$rA, GPRC:$rB),
957 "subfc $rT, $rA, $rB", IntGeneral,
958 [(set GPRC:$rT, (subc GPRC:$rB, GPRC:$rA))]>,
959 PPC970_DGroup_Cracked;
960 def SUBFE : XOForm_1<31, 136, 0, (outs GPRC:$rT), (ins GPRC:$rA, GPRC:$rB),
961 "subfe $rT, $rA, $rB", IntGeneral,
962 [(set GPRC:$rT, (sube GPRC:$rB, GPRC:$rA))]>;
963 def ADDME : XOForm_3<31, 234, 0, (outs GPRC:$rT), (ins GPRC:$rA),
964 "addme $rT, $rA", IntGeneral,
965 [(set GPRC:$rT, (adde GPRC:$rA, immAllOnes))]>;
966 def ADDZE : XOForm_3<31, 202, 0, (outs GPRC:$rT), (ins GPRC:$rA),
967 "addze $rT, $rA", IntGeneral,
968 [(set GPRC:$rT, (adde GPRC:$rA, 0))]>;
969 def NEG : XOForm_3<31, 104, 0, (outs GPRC:$rT), (ins GPRC:$rA),
970 "neg $rT, $rA", IntGeneral,
971 [(set GPRC:$rT, (ineg GPRC:$rA))]>;
972 def SUBFME : XOForm_3<31, 232, 0, (outs GPRC:$rT), (ins GPRC:$rA),
973 "subfme $rT, $rA", IntGeneral,
974 [(set GPRC:$rT, (sube immAllOnes, GPRC:$rA))]>;
975 def SUBFZE : XOForm_3<31, 200, 0, (outs GPRC:$rT), (ins GPRC:$rA),
976 "subfze $rT, $rA", IntGeneral,
977 [(set GPRC:$rT, (sube 0, GPRC:$rA))]>;
980 // A-Form instructions. Most of the instructions executed in the FPU are of
983 let PPC970_Unit = 3 in { // FPU Operations.
984 def FMADD : AForm_1<63, 29,
985 (outs F8RC:$FRT), (ins F8RC:$FRA, F8RC:$FRC, F8RC:$FRB),
986 "fmadd $FRT, $FRA, $FRC, $FRB", FPFused,
987 [(set F8RC:$FRT, (fadd (fmul F8RC:$FRA, F8RC:$FRC),
989 Requires<[FPContractions]>;
990 def FMADDS : AForm_1<59, 29,
991 (outs F4RC:$FRT), (ins F4RC:$FRA, F4RC:$FRC, F4RC:$FRB),
992 "fmadds $FRT, $FRA, $FRC, $FRB", FPGeneral,
993 [(set F4RC:$FRT, (fadd (fmul F4RC:$FRA, F4RC:$FRC),
995 Requires<[FPContractions]>;
996 def FMSUB : AForm_1<63, 28,
997 (outs F8RC:$FRT), (ins F8RC:$FRA, F8RC:$FRC, F8RC:$FRB),
998 "fmsub $FRT, $FRA, $FRC, $FRB", FPFused,
999 [(set F8RC:$FRT, (fsub (fmul F8RC:$FRA, F8RC:$FRC),
1001 Requires<[FPContractions]>;
1002 def FMSUBS : AForm_1<59, 28,
1003 (outs F4RC:$FRT), (ins F4RC:$FRA, F4RC:$FRC, F4RC:$FRB),
1004 "fmsubs $FRT, $FRA, $FRC, $FRB", FPGeneral,
1005 [(set F4RC:$FRT, (fsub (fmul F4RC:$FRA, F4RC:$FRC),
1007 Requires<[FPContractions]>;
1008 def FNMADD : AForm_1<63, 31,
1009 (outs F8RC:$FRT), (ins F8RC:$FRA, F8RC:$FRC, F8RC:$FRB),
1010 "fnmadd $FRT, $FRA, $FRC, $FRB", FPFused,
1011 [(set F8RC:$FRT, (fneg (fadd (fmul F8RC:$FRA, F8RC:$FRC),
1013 Requires<[FPContractions]>;
1014 def FNMADDS : AForm_1<59, 31,
1015 (outs F4RC:$FRT), (ins F4RC:$FRA, F4RC:$FRC, F4RC:$FRB),
1016 "fnmadds $FRT, $FRA, $FRC, $FRB", FPGeneral,
1017 [(set F4RC:$FRT, (fneg (fadd (fmul F4RC:$FRA, F4RC:$FRC),
1019 Requires<[FPContractions]>;
1020 def FNMSUB : AForm_1<63, 30,
1021 (outs F8RC:$FRT), (ins F8RC:$FRA, F8RC:$FRC, F8RC:$FRB),
1022 "fnmsub $FRT, $FRA, $FRC, $FRB", FPFused,
1023 [(set F8RC:$FRT, (fneg (fsub (fmul F8RC:$FRA, F8RC:$FRC),
1025 Requires<[FPContractions]>;
1026 def FNMSUBS : AForm_1<59, 30,
1027 (outs F4RC:$FRT), (ins F4RC:$FRA, F4RC:$FRC, F4RC:$FRB),
1028 "fnmsubs $FRT, $FRA, $FRC, $FRB", FPGeneral,
1029 [(set F4RC:$FRT, (fneg (fsub (fmul F4RC:$FRA, F4RC:$FRC),
1031 Requires<[FPContractions]>;
1032 // FSEL is artificially split into 4 and 8-byte forms for the result. To avoid
1033 // having 4 of these, force the comparison to always be an 8-byte double (code
1034 // should use an FMRSD if the input comparison value really wants to be a float)
1035 // and 4/8 byte forms for the result and operand type..
1036 def FSELD : AForm_1<63, 23,
1037 (outs F8RC:$FRT), (ins F8RC:$FRA, F8RC:$FRC, F8RC:$FRB),
1038 "fsel $FRT, $FRA, $FRC, $FRB", FPGeneral,
1039 [(set F8RC:$FRT, (PPCfsel F8RC:$FRA,F8RC:$FRC,F8RC:$FRB))]>;
1040 def FSELS : AForm_1<63, 23,
1041 (outs F4RC:$FRT), (ins F8RC:$FRA, F4RC:$FRC, F4RC:$FRB),
1042 "fsel $FRT, $FRA, $FRC, $FRB", FPGeneral,
1043 [(set F4RC:$FRT, (PPCfsel F8RC:$FRA,F4RC:$FRC,F4RC:$FRB))]>;
1044 def FADD : AForm_2<63, 21,
1045 (outs F8RC:$FRT), (ins F8RC:$FRA, F8RC:$FRB),
1046 "fadd $FRT, $FRA, $FRB", FPGeneral,
1047 [(set F8RC:$FRT, (fadd F8RC:$FRA, F8RC:$FRB))]>;
1048 def FADDS : AForm_2<59, 21,
1049 (outs F4RC:$FRT), (ins F4RC:$FRA, F4RC:$FRB),
1050 "fadds $FRT, $FRA, $FRB", FPGeneral,
1051 [(set F4RC:$FRT, (fadd F4RC:$FRA, F4RC:$FRB))]>;
1052 def FDIV : AForm_2<63, 18,
1053 (outs F8RC:$FRT), (ins F8RC:$FRA, F8RC:$FRB),
1054 "fdiv $FRT, $FRA, $FRB", FPDivD,
1055 [(set F8RC:$FRT, (fdiv F8RC:$FRA, F8RC:$FRB))]>;
1056 def FDIVS : AForm_2<59, 18,
1057 (outs F4RC:$FRT), (ins F4RC:$FRA, F4RC:$FRB),
1058 "fdivs $FRT, $FRA, $FRB", FPDivS,
1059 [(set F4RC:$FRT, (fdiv F4RC:$FRA, F4RC:$FRB))]>;
1060 def FMUL : AForm_3<63, 25,
1061 (outs F8RC:$FRT), (ins F8RC:$FRA, F8RC:$FRB),
1062 "fmul $FRT, $FRA, $FRB", FPFused,
1063 [(set F8RC:$FRT, (fmul F8RC:$FRA, F8RC:$FRB))]>;
1064 def FMULS : AForm_3<59, 25,
1065 (outs F4RC:$FRT), (ins F4RC:$FRA, F4RC:$FRB),
1066 "fmuls $FRT, $FRA, $FRB", FPGeneral,
1067 [(set F4RC:$FRT, (fmul F4RC:$FRA, F4RC:$FRB))]>;
1068 def FSUB : AForm_2<63, 20,
1069 (outs F8RC:$FRT), (ins F8RC:$FRA, F8RC:$FRB),
1070 "fsub $FRT, $FRA, $FRB", FPGeneral,
1071 [(set F8RC:$FRT, (fsub F8RC:$FRA, F8RC:$FRB))]>;
1072 def FSUBS : AForm_2<59, 20,
1073 (outs F4RC:$FRT), (ins F4RC:$FRA, F4RC:$FRB),
1074 "fsubs $FRT, $FRA, $FRB", FPGeneral,
1075 [(set F4RC:$FRT, (fsub F4RC:$FRA, F4RC:$FRB))]>;
1078 let PPC970_Unit = 1 in { // FXU Operations.
1079 // M-Form instructions. rotate and mask instructions.
1081 let isCommutable = 1 in {
1082 // RLWIMI can be commuted if the rotate amount is zero.
1083 def RLWIMI : MForm_2<20,
1084 (outs GPRC:$rA), (ins GPRC:$rSi, GPRC:$rS, u5imm:$SH, u5imm:$MB,
1085 u5imm:$ME), "rlwimi $rA, $rS, $SH, $MB, $ME", IntRotate,
1086 []>, PPC970_DGroup_Cracked, RegConstraint<"$rSi = $rA">,
1089 def RLWINM : MForm_2<21,
1090 (outs GPRC:$rA), (ins GPRC:$rS, u5imm:$SH, u5imm:$MB, u5imm:$ME),
1091 "rlwinm $rA, $rS, $SH, $MB, $ME", IntGeneral,
1093 def RLWINMo : MForm_2<21,
1094 (outs GPRC:$rA), (ins GPRC:$rS, u5imm:$SH, u5imm:$MB, u5imm:$ME),
1095 "rlwinm. $rA, $rS, $SH, $MB, $ME", IntGeneral,
1096 []>, isDOT, PPC970_DGroup_Cracked;
1097 def RLWNM : MForm_2<23,
1098 (outs GPRC:$rA), (ins GPRC:$rS, GPRC:$rB, u5imm:$MB, u5imm:$ME),
1099 "rlwnm $rA, $rS, $rB, $MB, $ME", IntGeneral,
1104 //===----------------------------------------------------------------------===//
1105 // DWARF Pseudo Instructions
1108 def DWARF_LOC : Pseudo<(outs), (ins i32imm:$line, i32imm:$col, i32imm:$file),
1109 "${:comment} .loc $file, $line, $col",
1110 [(dwarf_loc (i32 imm:$line), (i32 imm:$col),
1113 //===----------------------------------------------------------------------===//
1114 // PowerPC Instruction Patterns
1117 // Arbitrary immediate support. Implement in terms of LIS/ORI.
1118 def : Pat<(i32 imm:$imm),
1119 (ORI (LIS (HI16 imm:$imm)), (LO16 imm:$imm))>;
1121 // Implement the 'not' operation with the NOR instruction.
1122 def NOT : Pat<(not GPRC:$in),
1123 (NOR GPRC:$in, GPRC:$in)>;
1125 // ADD an arbitrary immediate.
1126 def : Pat<(add GPRC:$in, imm:$imm),
1127 (ADDIS (ADDI GPRC:$in, (LO16 imm:$imm)), (HA16 imm:$imm))>;
1128 // OR an arbitrary immediate.
1129 def : Pat<(or GPRC:$in, imm:$imm),
1130 (ORIS (ORI GPRC:$in, (LO16 imm:$imm)), (HI16 imm:$imm))>;
1131 // XOR an arbitrary immediate.
1132 def : Pat<(xor GPRC:$in, imm:$imm),
1133 (XORIS (XORI GPRC:$in, (LO16 imm:$imm)), (HI16 imm:$imm))>;
1135 def : Pat<(sub immSExt16:$imm, GPRC:$in),
1136 (SUBFIC GPRC:$in, imm:$imm)>;
1139 def : Pat<(shl GPRC:$in, (i32 imm:$imm)),
1140 (RLWINM GPRC:$in, imm:$imm, 0, (SHL32 imm:$imm))>;
1141 def : Pat<(srl GPRC:$in, (i32 imm:$imm)),
1142 (RLWINM GPRC:$in, (SRL32 imm:$imm), imm:$imm, 31)>;
1145 def : Pat<(rotl GPRC:$in, GPRC:$sh),
1146 (RLWNM GPRC:$in, GPRC:$sh, 0, 31)>;
1147 def : Pat<(rotl GPRC:$in, (i32 imm:$imm)),
1148 (RLWINM GPRC:$in, imm:$imm, 0, 31)>;
1151 def : Pat<(and (rotl GPRC:$in, GPRC:$sh), maskimm32:$imm),
1152 (RLWNM GPRC:$in, GPRC:$sh, (MB maskimm32:$imm), (ME maskimm32:$imm))>;
1155 def : Pat<(PPCcall_Macho (i32 tglobaladdr:$dst)),
1156 (BL_Macho tglobaladdr:$dst)>;
1157 def : Pat<(PPCcall_Macho (i32 texternalsym:$dst)),
1158 (BL_Macho texternalsym:$dst)>;
1159 def : Pat<(PPCcall_ELF (i32 tglobaladdr:$dst)),
1160 (BL_ELF tglobaladdr:$dst)>;
1161 def : Pat<(PPCcall_ELF (i32 texternalsym:$dst)),
1162 (BL_ELF texternalsym:$dst)>;
1164 // Hi and Lo for Darwin Global Addresses.
1165 def : Pat<(PPChi tglobaladdr:$in, 0), (LIS tglobaladdr:$in)>;
1166 def : Pat<(PPClo tglobaladdr:$in, 0), (LI tglobaladdr:$in)>;
1167 def : Pat<(PPChi tconstpool:$in, 0), (LIS tconstpool:$in)>;
1168 def : Pat<(PPClo tconstpool:$in, 0), (LI tconstpool:$in)>;
1169 def : Pat<(PPChi tjumptable:$in, 0), (LIS tjumptable:$in)>;
1170 def : Pat<(PPClo tjumptable:$in, 0), (LI tjumptable:$in)>;
1171 def : Pat<(add GPRC:$in, (PPChi tglobaladdr:$g, 0)),
1172 (ADDIS GPRC:$in, tglobaladdr:$g)>;
1173 def : Pat<(add GPRC:$in, (PPChi tconstpool:$g, 0)),
1174 (ADDIS GPRC:$in, tconstpool:$g)>;
1175 def : Pat<(add GPRC:$in, (PPChi tjumptable:$g, 0)),
1176 (ADDIS GPRC:$in, tjumptable:$g)>;
1178 // Fused negative multiply subtract, alternate pattern
1179 def : Pat<(fsub F8RC:$B, (fmul F8RC:$A, F8RC:$C)),
1180 (FNMSUB F8RC:$A, F8RC:$C, F8RC:$B)>,
1181 Requires<[FPContractions]>;
1182 def : Pat<(fsub F4RC:$B, (fmul F4RC:$A, F4RC:$C)),
1183 (FNMSUBS F4RC:$A, F4RC:$C, F4RC:$B)>,
1184 Requires<[FPContractions]>;
1186 // Standard shifts. These are represented separately from the real shifts above
1187 // so that we can distinguish between shifts that allow 5-bit and 6-bit shift
1189 def : Pat<(sra GPRC:$rS, GPRC:$rB),
1190 (SRAW GPRC:$rS, GPRC:$rB)>;
1191 def : Pat<(srl GPRC:$rS, GPRC:$rB),
1192 (SRW GPRC:$rS, GPRC:$rB)>;
1193 def : Pat<(shl GPRC:$rS, GPRC:$rB),
1194 (SLW GPRC:$rS, GPRC:$rB)>;
1196 def : Pat<(zextloadi1 iaddr:$src),
1198 def : Pat<(zextloadi1 xaddr:$src),
1200 def : Pat<(extloadi1 iaddr:$src),
1202 def : Pat<(extloadi1 xaddr:$src),
1204 def : Pat<(extloadi8 iaddr:$src),
1206 def : Pat<(extloadi8 xaddr:$src),
1208 def : Pat<(extloadi16 iaddr:$src),
1210 def : Pat<(extloadi16 xaddr:$src),
1212 def : Pat<(extloadf32 iaddr:$src),
1213 (FMRSD (LFS iaddr:$src))>;
1214 def : Pat<(extloadf32 xaddr:$src),
1215 (FMRSD (LFSX xaddr:$src))>;
1217 include "PPCInstrAltivec.td"
1218 include "PPCInstr64Bit.td"