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_PPCShiftOp : SDTypeProfile<1, 2, [ // PPCshl, PPCsra, PPCsrl
24 SDTCisVT<0, i32>, SDTCisVT<1, i32>, SDTCisVT<2, i32>
26 def SDT_PPCCallSeqStart : SDCallSeqStart<[ SDTCisVT<0, i32> ]>;
27 def SDT_PPCCallSeqEnd : SDCallSeqEnd<[ SDTCisVT<0, i32>,
29 def SDT_PPCvperm : SDTypeProfile<1, 3, [
30 SDTCisVT<3, v16i8>, SDTCisSameAs<0, 1>, SDTCisSameAs<0, 2>
33 def SDT_PPCvcmp : SDTypeProfile<1, 3, [
34 SDTCisSameAs<0, 1>, SDTCisSameAs<1, 2>, SDTCisVT<3, i32>
37 def SDT_PPCcondbr : SDTypeProfile<0, 3, [
38 SDTCisVT<0, i32>, SDTCisVT<2, OtherVT>
41 def SDT_PPClbrx : SDTypeProfile<1, 3, [
42 SDTCisVT<0, i32>, SDTCisPtrTy<1>, SDTCisVT<2, OtherVT>, SDTCisVT<3, OtherVT>
44 def SDT_PPCstbrx : SDTypeProfile<0, 4, [
45 SDTCisVT<0, i32>, SDTCisPtrTy<1>, SDTCisVT<2, OtherVT>, SDTCisVT<3, OtherVT>
48 //===----------------------------------------------------------------------===//
49 // PowerPC specific DAG Nodes.
52 def PPCfcfid : SDNode<"PPCISD::FCFID" , SDTFPUnaryOp, []>;
53 def PPCfctidz : SDNode<"PPCISD::FCTIDZ", SDTFPUnaryOp, []>;
54 def PPCfctiwz : SDNode<"PPCISD::FCTIWZ", SDTFPUnaryOp, []>;
55 def PPCstfiwx : SDNode<"PPCISD::STFIWX", SDT_PPCstfiwx, [SDNPHasChain]>;
57 // This sequence is used for long double->int conversions. It changes the
58 // bits in the FPSCR which is not modelled.
59 def PPCmffs : SDNode<"PPCISD::MFFS", SDTypeProfile<1, 0, [SDTCisVT<0, f64>]>,
61 def PPCmtfsb0 : SDNode<"PPCISD::MTFSB0", SDTypeProfile<0, 1, [SDTCisInt<0>]>,
62 [SDNPInFlag, SDNPOutFlag]>;
63 def PPCmtfsb1 : SDNode<"PPCISD::MTFSB1", SDTypeProfile<0, 1, [SDTCisInt<0>]>,
64 [SDNPInFlag, SDNPOutFlag]>;
65 def PPCfaddrtz: SDNode<"PPCISD::FADDRTZ", SDTFPBinOp,
66 [SDNPInFlag, SDNPOutFlag]>;
67 def PPCmtfsf : SDNode<"PPCISD::MTFSF", SDTypeProfile<1, 3,
68 [SDTCisVT<0, f64>, SDTCisInt<1>, SDTCisVT<2, f64>,
72 def PPCfsel : SDNode<"PPCISD::FSEL",
73 // Type constraint for fsel.
74 SDTypeProfile<1, 3, [SDTCisSameAs<0, 2>, SDTCisSameAs<0, 3>,
75 SDTCisFP<0>, SDTCisVT<1, f64>]>, []>;
77 def PPChi : SDNode<"PPCISD::Hi", SDTIntBinOp, []>;
78 def PPClo : SDNode<"PPCISD::Lo", SDTIntBinOp, []>;
79 def PPCvmaddfp : SDNode<"PPCISD::VMADDFP", SDTFPTernaryOp, []>;
80 def PPCvnmsubfp : SDNode<"PPCISD::VNMSUBFP", SDTFPTernaryOp, []>;
82 def PPCvperm : SDNode<"PPCISD::VPERM", SDT_PPCvperm, []>;
84 // These nodes represent the 32-bit PPC shifts that operate on 6-bit shift
85 // amounts. These nodes are generated by the multi-precision shift code.
86 def PPCsrl : SDNode<"PPCISD::SRL" , SDT_PPCShiftOp>;
87 def PPCsra : SDNode<"PPCISD::SRA" , SDT_PPCShiftOp>;
88 def PPCshl : SDNode<"PPCISD::SHL" , SDT_PPCShiftOp>;
90 def PPCextsw_32 : SDNode<"PPCISD::EXTSW_32" , SDTIntUnaryOp>;
91 def PPCstd_32 : SDNode<"PPCISD::STD_32" , SDTStore, [SDNPHasChain]>;
93 // These are target-independent nodes, but have target-specific formats.
94 def callseq_start : SDNode<"ISD::CALLSEQ_START", SDT_PPCCallSeqStart,
95 [SDNPHasChain, SDNPOutFlag]>;
96 def callseq_end : SDNode<"ISD::CALLSEQ_END", SDT_PPCCallSeqEnd,
97 [SDNPHasChain, SDNPOptInFlag, SDNPOutFlag]>;
99 def SDT_PPCCall : SDTypeProfile<0, -1, [SDTCisInt<0>]>;
100 def PPCcall_Macho : SDNode<"PPCISD::CALL_Macho", SDT_PPCCall,
101 [SDNPHasChain, SDNPOptInFlag, SDNPOutFlag]>;
102 def PPCcall_ELF : SDNode<"PPCISD::CALL_ELF", SDT_PPCCall,
103 [SDNPHasChain, SDNPOptInFlag, SDNPOutFlag]>;
104 def PPCmtctr : SDNode<"PPCISD::MTCTR", SDT_PPCCall,
105 [SDNPHasChain, SDNPOptInFlag, SDNPOutFlag]>;
106 def PPCbctrl_Macho : SDNode<"PPCISD::BCTRL_Macho", SDTRet,
107 [SDNPHasChain, SDNPOptInFlag, SDNPOutFlag]>;
109 def PPCbctrl_ELF : SDNode<"PPCISD::BCTRL_ELF", SDTRet,
110 [SDNPHasChain, SDNPOptInFlag, SDNPOutFlag]>;
112 def retflag : SDNode<"PPCISD::RET_FLAG", SDTRet,
113 [SDNPHasChain, SDNPOptInFlag]>;
115 def PPCvcmp : SDNode<"PPCISD::VCMP" , SDT_PPCvcmp, []>;
116 def PPCvcmp_o : SDNode<"PPCISD::VCMPo", SDT_PPCvcmp, [SDNPOutFlag]>;
118 def PPCcondbranch : SDNode<"PPCISD::COND_BRANCH", SDT_PPCcondbr,
119 [SDNPHasChain, SDNPOptInFlag]>;
121 def PPClbrx : SDNode<"PPCISD::LBRX", SDT_PPClbrx, [SDNPHasChain]>;
122 def PPCstbrx : SDNode<"PPCISD::STBRX", SDT_PPCstbrx, [SDNPHasChain]>;
124 // Instructions to support dynamic alloca.
125 def SDTDynOp : SDTypeProfile<1, 2, []>;
126 def PPCdynalloc : SDNode<"PPCISD::DYNALLOC", SDTDynOp, [SDNPHasChain]>;
128 //===----------------------------------------------------------------------===//
129 // PowerPC specific transformation functions and pattern fragments.
132 def SHL32 : SDNodeXForm<imm, [{
133 // Transformation function: 31 - imm
134 return getI32Imm(31 - N->getValue());
137 def SRL32 : SDNodeXForm<imm, [{
138 // Transformation function: 32 - imm
139 return N->getValue() ? getI32Imm(32 - N->getValue()) : getI32Imm(0);
142 def LO16 : SDNodeXForm<imm, [{
143 // Transformation function: get the low 16 bits.
144 return getI32Imm((unsigned short)N->getValue());
147 def HI16 : SDNodeXForm<imm, [{
148 // Transformation function: shift the immediate value down into the low bits.
149 return getI32Imm((unsigned)N->getValue() >> 16);
152 def HA16 : SDNodeXForm<imm, [{
153 // Transformation function: shift the immediate value down into the low bits.
154 signed int Val = N->getValue();
155 return getI32Imm((Val - (signed short)Val) >> 16);
157 def MB : SDNodeXForm<imm, [{
158 // Transformation function: get the start bit of a mask
160 (void)isRunOfOnes((unsigned)N->getValue(), mb, me);
161 return getI32Imm(mb);
164 def ME : SDNodeXForm<imm, [{
165 // Transformation function: get the end bit of a mask
167 (void)isRunOfOnes((unsigned)N->getValue(), mb, me);
168 return getI32Imm(me);
170 def maskimm32 : PatLeaf<(imm), [{
171 // maskImm predicate - True if immediate is a run of ones.
173 if (N->getValueType(0) == MVT::i32)
174 return isRunOfOnes((unsigned)N->getValue(), mb, me);
179 def immSExt16 : PatLeaf<(imm), [{
180 // immSExt16 predicate - True if the immediate fits in a 16-bit sign extended
181 // field. Used by instructions like 'addi'.
182 if (N->getValueType(0) == MVT::i32)
183 return (int32_t)N->getValue() == (short)N->getValue();
185 return (int64_t)N->getValue() == (short)N->getValue();
187 def immZExt16 : PatLeaf<(imm), [{
188 // immZExt16 predicate - True if the immediate fits in a 16-bit zero extended
189 // field. Used by instructions like 'ori'.
190 return (uint64_t)N->getValue() == (unsigned short)N->getValue();
193 // imm16Shifted* - These match immediates where the low 16-bits are zero. There
194 // are two forms: imm16ShiftedSExt and imm16ShiftedZExt. These two forms are
195 // identical in 32-bit mode, but in 64-bit mode, they return true if the
196 // immediate fits into a sign/zero extended 32-bit immediate (with the low bits
198 def imm16ShiftedZExt : PatLeaf<(imm), [{
199 // imm16ShiftedZExt predicate - True if only bits in the top 16-bits of the
200 // immediate are set. Used by instructions like 'xoris'.
201 return (N->getValue() & ~uint64_t(0xFFFF0000)) == 0;
204 def imm16ShiftedSExt : PatLeaf<(imm), [{
205 // imm16ShiftedSExt predicate - True if only bits in the top 16-bits of the
206 // immediate are set. Used by instructions like 'addis'. Identical to
207 // imm16ShiftedZExt in 32-bit mode.
208 if (N->getValue() & 0xFFFF) return false;
209 if (N->getValueType(0) == MVT::i32)
211 // For 64-bit, make sure it is sext right.
212 return N->getValue() == (uint64_t)(int)N->getValue();
216 //===----------------------------------------------------------------------===//
217 // PowerPC Flag Definitions.
219 class isPPC64 { bit PPC64 = 1; }
221 list<Register> Defs = [CR0];
225 class RegConstraint<string C> {
226 string Constraints = C;
228 class NoEncode<string E> {
229 string DisableEncoding = E;
233 //===----------------------------------------------------------------------===//
234 // PowerPC Operand Definitions.
236 def s5imm : Operand<i32> {
237 let PrintMethod = "printS5ImmOperand";
239 def u5imm : Operand<i32> {
240 let PrintMethod = "printU5ImmOperand";
242 def u6imm : Operand<i32> {
243 let PrintMethod = "printU6ImmOperand";
245 def s16imm : Operand<i32> {
246 let PrintMethod = "printS16ImmOperand";
248 def u16imm : Operand<i32> {
249 let PrintMethod = "printU16ImmOperand";
251 def s16immX4 : Operand<i32> { // Multiply imm by 4 before printing.
252 let PrintMethod = "printS16X4ImmOperand";
254 def target : Operand<OtherVT> {
255 let PrintMethod = "printBranchOperand";
257 def calltarget : Operand<iPTR> {
258 let PrintMethod = "printCallOperand";
260 def aaddr : Operand<iPTR> {
261 let PrintMethod = "printAbsAddrOperand";
263 def piclabel: Operand<iPTR> {
264 let PrintMethod = "printPICLabel";
266 def symbolHi: Operand<i32> {
267 let PrintMethod = "printSymbolHi";
269 def symbolLo: Operand<i32> {
270 let PrintMethod = "printSymbolLo";
272 def crbitm: Operand<i8> {
273 let PrintMethod = "printcrbitm";
276 def memri : Operand<iPTR> {
277 let PrintMethod = "printMemRegImm";
278 let MIOperandInfo = (ops i32imm:$imm, ptr_rc:$reg);
280 def memrr : Operand<iPTR> {
281 let PrintMethod = "printMemRegReg";
282 let MIOperandInfo = (ops ptr_rc, ptr_rc);
284 def memrix : Operand<iPTR> { // memri where the imm is shifted 2 bits.
285 let PrintMethod = "printMemRegImmShifted";
286 let MIOperandInfo = (ops i32imm:$imm, ptr_rc:$reg);
289 // PowerPC Predicate operand. 20 = (0<<5)|20 = always, CR0 is a dummy reg
290 // that doesn't matter.
291 def pred : PredicateOperand<OtherVT, (ops imm, CRRC),
292 (ops (i32 20), CR0)> {
293 let PrintMethod = "printPredicateOperand";
296 // Define PowerPC specific addressing mode.
297 def iaddr : ComplexPattern<iPTR, 2, "SelectAddrImm", [], []>;
298 def xaddr : ComplexPattern<iPTR, 2, "SelectAddrIdx", [], []>;
299 def xoaddr : ComplexPattern<iPTR, 2, "SelectAddrIdxOnly",[], []>;
300 def ixaddr : ComplexPattern<iPTR, 2, "SelectAddrImmShift", [], []>; // "std"
302 /// This is just the offset part of iaddr, used for preinc.
303 def iaddroff : ComplexPattern<iPTR, 1, "SelectAddrImmOffs", [], []>;
305 //===----------------------------------------------------------------------===//
306 // PowerPC Instruction Predicate Definitions.
307 def FPContractions : Predicate<"!NoExcessFPPrecision">;
308 def In32BitMode : Predicate<"!PPCSubTarget.isPPC64()">;
309 def In64BitMode : Predicate<"PPCSubTarget.isPPC64()">;
312 //===----------------------------------------------------------------------===//
313 // PowerPC Instruction Definitions.
315 // Pseudo-instructions:
317 let hasCtrlDep = 1 in {
318 let Defs = [R1], Uses = [R1] in {
319 def ADJCALLSTACKDOWN : Pseudo<(outs), (ins u16imm:$amt),
320 "${:comment} ADJCALLSTACKDOWN",
321 [(callseq_start imm:$amt)]>;
322 def ADJCALLSTACKUP : Pseudo<(outs), (ins u16imm:$amt1, u16imm:$amt2),
323 "${:comment} ADJCALLSTACKUP",
324 [(callseq_end imm:$amt1, imm:$amt2)]>;
327 def UPDATE_VRSAVE : Pseudo<(outs GPRC:$rD), (ins GPRC:$rS),
328 "UPDATE_VRSAVE $rD, $rS", []>;
331 let Defs = [R1], Uses = [R1] in
332 def DYNALLOC : Pseudo<(outs GPRC:$result), (ins GPRC:$negsize, memri:$fpsi),
333 "${:comment} DYNALLOC $result, $negsize, $fpsi",
335 (PPCdynalloc GPRC:$negsize, iaddr:$fpsi))]>;
337 let isImplicitDef = 1 in {
338 def IMPLICIT_DEF_GPRC: Pseudo<(outs GPRC:$rD), (ins),
339 "${:comment}IMPLICIT_DEF_GPRC $rD",
340 [(set GPRC:$rD, (undef))]>;
341 def IMPLICIT_DEF_F8 : Pseudo<(outs F8RC:$rD), (ins),
342 "${:comment} IMPLICIT_DEF_F8 $rD",
343 [(set F8RC:$rD, (undef))]>;
344 def IMPLICIT_DEF_F4 : Pseudo<(outs F4RC:$rD), (ins),
345 "${:comment} IMPLICIT_DEF_F4 $rD",
346 [(set F4RC:$rD, (undef))]>;
349 // SELECT_CC_* - Used to implement the SELECT_CC DAG operation. Expanded by the
350 // scheduler into a branch sequence.
351 let usesCustomDAGSchedInserter = 1, // Expanded by the scheduler.
352 PPC970_Single = 1 in {
353 def SELECT_CC_I4 : Pseudo<(outs GPRC:$dst), (ins CRRC:$cond, GPRC:$T, GPRC:$F,
354 i32imm:$BROPC), "${:comment} SELECT_CC PSEUDO!",
356 def SELECT_CC_I8 : Pseudo<(outs G8RC:$dst), (ins CRRC:$cond, G8RC:$T, G8RC:$F,
357 i32imm:$BROPC), "${:comment} SELECT_CC PSEUDO!",
359 def SELECT_CC_F4 : Pseudo<(outs F4RC:$dst), (ins CRRC:$cond, F4RC:$T, F4RC:$F,
360 i32imm:$BROPC), "${:comment} SELECT_CC PSEUDO!",
362 def SELECT_CC_F8 : Pseudo<(outs F8RC:$dst), (ins CRRC:$cond, F8RC:$T, F8RC:$F,
363 i32imm:$BROPC), "${:comment} SELECT_CC PSEUDO!",
365 def SELECT_CC_VRRC: Pseudo<(outs VRRC:$dst), (ins CRRC:$cond, VRRC:$T, VRRC:$F,
366 i32imm:$BROPC), "${:comment} SELECT_CC PSEUDO!",
370 let isTerminator = 1, isBarrier = 1, PPC970_Unit = 7 in {
372 def BLR : XLForm_2_br<19, 16, 0, (outs), (ins pred:$p),
373 "b${p:cc}lr ${p:reg}", BrB,
375 let isBranch = 1, isIndirectBranch = 1 in
376 def BCTR : XLForm_2_ext<19, 528, 20, 0, 0, (outs), (ins), "bctr", BrB, []>;
382 def MovePCtoLR : Pseudo<(outs), (ins piclabel:$label), "bl $label", []>,
385 let isBranch = 1, isTerminator = 1, hasCtrlDep = 1, PPC970_Unit = 7 in {
386 let isBarrier = 1 in {
387 def B : IForm<18, 0, 0, (outs), (ins target:$dst),
392 // BCC represents an arbitrary conditional branch on a predicate.
393 // FIXME: should be able to write a pattern for PPCcondbranch, but can't use
394 // a two-value operand where a dag node expects two operands. :(
395 def BCC : BForm<16, 0, 0, (outs), (ins pred:$cond, target:$dst),
396 "b${cond:cc} ${cond:reg}, $dst"
397 /*[(PPCcondbranch CRRC:$crS, imm:$opc, bb:$dst)]*/>;
401 let isCall = 1, PPC970_Unit = 7,
402 // All calls clobber the non-callee saved registers...
403 Defs = [R0,R2,R3,R4,R5,R6,R7,R8,R9,R10,R11,R12,
404 F0,F1,F2,F3,F4,F5,F6,F7,F8,F9,F10,F11,F12,F13,
405 V0,V1,V2,V3,V4,V5,V6,V7,V8,V9,V10,V11,V12,V13,V14,V15,V16,V17,V18,V19,
407 CR0,CR1,CR5,CR6,CR7] in {
408 // Convenient aliases for call instructions
409 def BL_Macho : IForm<18, 0, 1,
410 (outs), (ins calltarget:$func, variable_ops),
411 "bl $func", BrB, []>; // See Pat patterns below.
412 def BLA_Macho : IForm<18, 1, 1,
413 (outs), (ins aaddr:$func, variable_ops),
414 "bla $func", BrB, [(PPCcall_Macho (i32 imm:$func))]>;
415 def BCTRL_Macho : XLForm_2_ext<19, 528, 20, 0, 1,
416 (outs), (ins variable_ops),
418 [(PPCbctrl_Macho)]>, Requires<[In32BitMode]>;
422 let isCall = 1, PPC970_Unit = 7,
423 // All calls clobber the non-callee saved registers...
424 Defs = [R0,R2,R3,R4,R5,R6,R7,R8,R9,R10,R11,R12,
425 F0,F1,F2,F3,F4,F5,F6,F7,F8,
426 V0,V1,V2,V3,V4,V5,V6,V7,V8,V9,V10,V11,V12,V13,V14,V15,V16,V17,V18,V19,
428 CR0,CR1,CR5,CR6,CR7] in {
429 // Convenient aliases for call instructions
430 def BL_ELF : IForm<18, 0, 1,
431 (outs), (ins calltarget:$func, variable_ops),
432 "bl $func", BrB, []>; // See Pat patterns below.
433 def BLA_ELF : IForm<18, 1, 1,
434 (outs), (ins aaddr:$func, variable_ops),
436 [(PPCcall_ELF (i32 imm:$func))]>;
437 def BCTRL_ELF : XLForm_2_ext<19, 528, 20, 0, 1,
438 (outs), (ins variable_ops),
440 [(PPCbctrl_ELF)]>, Requires<[In32BitMode]>;
443 // DCB* instructions.
444 def DCBA : DCB_Form<758, 0, (outs), (ins memrr:$dst),
445 "dcba $dst", LdStDCBF, [(int_ppc_dcba xoaddr:$dst)]>,
446 PPC970_DGroup_Single;
447 def DCBF : DCB_Form<86, 0, (outs), (ins memrr:$dst),
448 "dcbf $dst", LdStDCBF, [(int_ppc_dcbf xoaddr:$dst)]>,
449 PPC970_DGroup_Single;
450 def DCBI : DCB_Form<470, 0, (outs), (ins memrr:$dst),
451 "dcbi $dst", LdStDCBF, [(int_ppc_dcbi xoaddr:$dst)]>,
452 PPC970_DGroup_Single;
453 def DCBST : DCB_Form<54, 0, (outs), (ins memrr:$dst),
454 "dcbst $dst", LdStDCBF, [(int_ppc_dcbst xoaddr:$dst)]>,
455 PPC970_DGroup_Single;
456 def DCBT : DCB_Form<278, 0, (outs), (ins memrr:$dst),
457 "dcbt $dst", LdStDCBF, [(int_ppc_dcbt xoaddr:$dst)]>,
458 PPC970_DGroup_Single;
459 def DCBTST : DCB_Form<246, 0, (outs), (ins memrr:$dst),
460 "dcbtst $dst", LdStDCBF, [(int_ppc_dcbtst xoaddr:$dst)]>,
461 PPC970_DGroup_Single;
462 def DCBZ : DCB_Form<1014, 0, (outs), (ins memrr:$dst),
463 "dcbz $dst", LdStDCBF, [(int_ppc_dcbz xoaddr:$dst)]>,
464 PPC970_DGroup_Single;
465 def DCBZL : DCB_Form<1014, 1, (outs), (ins memrr:$dst),
466 "dcbzl $dst", LdStDCBF, [(int_ppc_dcbzl xoaddr:$dst)]>,
467 PPC970_DGroup_Single;
469 //===----------------------------------------------------------------------===//
470 // PPC32 Load Instructions.
473 // Unindexed (r+i) Loads.
474 let isLoad = 1, PPC970_Unit = 2 in {
475 def LBZ : DForm_1<34, (outs GPRC:$rD), (ins memri:$src),
476 "lbz $rD, $src", LdStGeneral,
477 [(set GPRC:$rD, (zextloadi8 iaddr:$src))]>;
478 def LHA : DForm_1<42, (outs GPRC:$rD), (ins memri:$src),
479 "lha $rD, $src", LdStLHA,
480 [(set GPRC:$rD, (sextloadi16 iaddr:$src))]>,
481 PPC970_DGroup_Cracked;
482 def LHZ : DForm_1<40, (outs GPRC:$rD), (ins memri:$src),
483 "lhz $rD, $src", LdStGeneral,
484 [(set GPRC:$rD, (zextloadi16 iaddr:$src))]>;
485 def LWZ : DForm_1<32, (outs GPRC:$rD), (ins memri:$src),
486 "lwz $rD, $src", LdStGeneral,
487 [(set GPRC:$rD, (load iaddr:$src))]>;
489 def LFS : DForm_1<48, (outs F4RC:$rD), (ins memri:$src),
490 "lfs $rD, $src", LdStLFDU,
491 [(set F4RC:$rD, (load iaddr:$src))]>;
492 def LFD : DForm_1<50, (outs F8RC:$rD), (ins memri:$src),
493 "lfd $rD, $src", LdStLFD,
494 [(set F8RC:$rD, (load iaddr:$src))]>;
497 // Unindexed (r+i) Loads with Update (preinc).
498 def LBZU : DForm_1<35, (outs GPRC:$rD, ptr_rc:$ea_result), (ins memri:$addr),
499 "lbzu $rD, $addr", LdStGeneral,
500 []>, RegConstraint<"$addr.reg = $ea_result">,
501 NoEncode<"$ea_result">;
503 def LHAU : DForm_1<43, (outs GPRC:$rD, ptr_rc:$ea_result), (ins memri:$addr),
504 "lhau $rD, $addr", LdStGeneral,
505 []>, RegConstraint<"$addr.reg = $ea_result">,
506 NoEncode<"$ea_result">;
508 def LHZU : DForm_1<41, (outs GPRC:$rD, ptr_rc:$ea_result), (ins memri:$addr),
509 "lhzu $rD, $addr", LdStGeneral,
510 []>, RegConstraint<"$addr.reg = $ea_result">,
511 NoEncode<"$ea_result">;
513 def LWZU : DForm_1<33, (outs GPRC:$rD, ptr_rc:$ea_result), (ins memri:$addr),
514 "lwzu $rD, $addr", LdStGeneral,
515 []>, RegConstraint<"$addr.reg = $ea_result">,
516 NoEncode<"$ea_result">;
518 def LFSU : DForm_1<49, (outs F4RC:$rD, ptr_rc:$ea_result), (ins memri:$addr),
519 "lfs $rD, $addr", LdStLFDU,
520 []>, RegConstraint<"$addr.reg = $ea_result">,
521 NoEncode<"$ea_result">;
523 def LFDU : DForm_1<51, (outs F8RC:$rD, ptr_rc:$ea_result), (ins memri:$addr),
524 "lfd $rD, $addr", LdStLFD,
525 []>, RegConstraint<"$addr.reg = $ea_result">,
526 NoEncode<"$ea_result">;
529 // Indexed (r+r) Loads.
531 let isLoad = 1, PPC970_Unit = 2 in {
532 def LBZX : XForm_1<31, 87, (outs GPRC:$rD), (ins memrr:$src),
533 "lbzx $rD, $src", LdStGeneral,
534 [(set GPRC:$rD, (zextloadi8 xaddr:$src))]>;
535 def LHAX : XForm_1<31, 343, (outs GPRC:$rD), (ins memrr:$src),
536 "lhax $rD, $src", LdStLHA,
537 [(set GPRC:$rD, (sextloadi16 xaddr:$src))]>,
538 PPC970_DGroup_Cracked;
539 def LHZX : XForm_1<31, 279, (outs GPRC:$rD), (ins memrr:$src),
540 "lhzx $rD, $src", LdStGeneral,
541 [(set GPRC:$rD, (zextloadi16 xaddr:$src))]>;
542 def LWZX : XForm_1<31, 23, (outs GPRC:$rD), (ins memrr:$src),
543 "lwzx $rD, $src", LdStGeneral,
544 [(set GPRC:$rD, (load xaddr:$src))]>;
547 def LHBRX : XForm_1<31, 790, (outs GPRC:$rD), (ins memrr:$src),
548 "lhbrx $rD, $src", LdStGeneral,
549 [(set GPRC:$rD, (PPClbrx xoaddr:$src, srcvalue:$sv, i16))]>;
550 def LWBRX : XForm_1<31, 534, (outs GPRC:$rD), (ins memrr:$src),
551 "lwbrx $rD, $src", LdStGeneral,
552 [(set GPRC:$rD, (PPClbrx xoaddr:$src, srcvalue:$sv, i32))]>;
554 def LFSX : XForm_25<31, 535, (outs F4RC:$frD), (ins memrr:$src),
555 "lfsx $frD, $src", LdStLFDU,
556 [(set F4RC:$frD, (load xaddr:$src))]>;
557 def LFDX : XForm_25<31, 599, (outs F8RC:$frD), (ins memrr:$src),
558 "lfdx $frD, $src", LdStLFDU,
559 [(set F8RC:$frD, (load xaddr:$src))]>;
562 //===----------------------------------------------------------------------===//
563 // PPC32 Store Instructions.
566 // Unindexed (r+i) Stores.
567 let isStore = 1, PPC970_Unit = 2 in {
568 def STB : DForm_1<38, (outs), (ins GPRC:$rS, memri:$src),
569 "stb $rS, $src", LdStGeneral,
570 [(truncstorei8 GPRC:$rS, iaddr:$src)]>;
571 def STH : DForm_1<44, (outs), (ins GPRC:$rS, memri:$src),
572 "sth $rS, $src", LdStGeneral,
573 [(truncstorei16 GPRC:$rS, iaddr:$src)]>;
574 def STW : DForm_1<36, (outs), (ins GPRC:$rS, memri:$src),
575 "stw $rS, $src", LdStGeneral,
576 [(store GPRC:$rS, iaddr:$src)]>;
577 def STFS : DForm_1<52, (outs), (ins F4RC:$rS, memri:$dst),
578 "stfs $rS, $dst", LdStUX,
579 [(store F4RC:$rS, iaddr:$dst)]>;
580 def STFD : DForm_1<54, (outs), (ins F8RC:$rS, memri:$dst),
581 "stfd $rS, $dst", LdStUX,
582 [(store F8RC:$rS, iaddr:$dst)]>;
585 // Unindexed (r+i) Stores with Update (preinc).
586 let isStore = 1, PPC970_Unit = 2 in {
587 def STBU : DForm_1<39, (outs ptr_rc:$ea_res), (ins GPRC:$rS,
588 symbolLo:$ptroff, ptr_rc:$ptrreg),
589 "stbu $rS, $ptroff($ptrreg)", LdStGeneral,
590 [(set ptr_rc:$ea_res,
591 (pre_truncsti8 GPRC:$rS, ptr_rc:$ptrreg,
592 iaddroff:$ptroff))]>,
593 RegConstraint<"$ptrreg = $ea_res">, NoEncode<"$ea_res">;
594 def STHU : DForm_1<45, (outs ptr_rc:$ea_res), (ins GPRC:$rS,
595 symbolLo:$ptroff, ptr_rc:$ptrreg),
596 "sthu $rS, $ptroff($ptrreg)", LdStGeneral,
597 [(set ptr_rc:$ea_res,
598 (pre_truncsti16 GPRC:$rS, ptr_rc:$ptrreg,
599 iaddroff:$ptroff))]>,
600 RegConstraint<"$ptrreg = $ea_res">, NoEncode<"$ea_res">;
601 def STWU : DForm_1<37, (outs ptr_rc:$ea_res), (ins GPRC:$rS,
602 symbolLo:$ptroff, ptr_rc:$ptrreg),
603 "stwu $rS, $ptroff($ptrreg)", LdStGeneral,
604 [(set ptr_rc:$ea_res, (pre_store GPRC:$rS, ptr_rc:$ptrreg,
605 iaddroff:$ptroff))]>,
606 RegConstraint<"$ptrreg = $ea_res">, NoEncode<"$ea_res">;
607 def STFSU : DForm_1<37, (outs ptr_rc:$ea_res), (ins F4RC:$rS,
608 symbolLo:$ptroff, ptr_rc:$ptrreg),
609 "stfsu $rS, $ptroff($ptrreg)", LdStGeneral,
610 [(set ptr_rc:$ea_res, (pre_store F4RC:$rS, ptr_rc:$ptrreg,
611 iaddroff:$ptroff))]>,
612 RegConstraint<"$ptrreg = $ea_res">, NoEncode<"$ea_res">;
613 def STFDU : DForm_1<37, (outs ptr_rc:$ea_res), (ins F8RC:$rS,
614 symbolLo:$ptroff, ptr_rc:$ptrreg),
615 "stfdu $rS, $ptroff($ptrreg)", LdStGeneral,
616 [(set ptr_rc:$ea_res, (pre_store F8RC:$rS, ptr_rc:$ptrreg,
617 iaddroff:$ptroff))]>,
618 RegConstraint<"$ptrreg = $ea_res">, NoEncode<"$ea_res">;
622 // Indexed (r+r) Stores.
624 let isStore = 1, PPC970_Unit = 2 in {
625 def STBX : XForm_8<31, 215, (outs), (ins GPRC:$rS, memrr:$dst),
626 "stbx $rS, $dst", LdStGeneral,
627 [(truncstorei8 GPRC:$rS, xaddr:$dst)]>,
628 PPC970_DGroup_Cracked;
629 def STHX : XForm_8<31, 407, (outs), (ins GPRC:$rS, memrr:$dst),
630 "sthx $rS, $dst", LdStGeneral,
631 [(truncstorei16 GPRC:$rS, xaddr:$dst)]>,
632 PPC970_DGroup_Cracked;
633 def STWX : XForm_8<31, 151, (outs), (ins GPRC:$rS, memrr:$dst),
634 "stwx $rS, $dst", LdStGeneral,
635 [(store GPRC:$rS, xaddr:$dst)]>,
636 PPC970_DGroup_Cracked;
637 def STWUX : XForm_8<31, 183, (outs), (ins GPRC:$rS, GPRC:$rA, GPRC:$rB),
638 "stwux $rS, $rA, $rB", LdStGeneral,
640 def STHBRX: XForm_8<31, 918, (outs), (ins GPRC:$rS, memrr:$dst),
641 "sthbrx $rS, $dst", LdStGeneral,
642 [(PPCstbrx GPRC:$rS, xoaddr:$dst, srcvalue:$dummy, i16)]>,
643 PPC970_DGroup_Cracked;
644 def STWBRX: XForm_8<31, 662, (outs), (ins GPRC:$rS, memrr:$dst),
645 "stwbrx $rS, $dst", LdStGeneral,
646 [(PPCstbrx GPRC:$rS, xoaddr:$dst, srcvalue:$dummy, i32)]>,
647 PPC970_DGroup_Cracked;
649 def STFIWX: XForm_28<31, 983, (outs), (ins F8RC:$frS, memrr:$dst),
650 "stfiwx $frS, $dst", LdStUX,
651 [(PPCstfiwx F8RC:$frS, xoaddr:$dst)]>;
652 def STFSX : XForm_28<31, 663, (outs), (ins F4RC:$frS, memrr:$dst),
653 "stfsx $frS, $dst", LdStUX,
654 [(store F4RC:$frS, xaddr:$dst)]>;
655 def STFDX : XForm_28<31, 727, (outs), (ins F8RC:$frS, memrr:$dst),
656 "stfdx $frS, $dst", LdStUX,
657 [(store F8RC:$frS, xaddr:$dst)]>;
661 //===----------------------------------------------------------------------===//
662 // PPC32 Arithmetic Instructions.
665 let PPC970_Unit = 1 in { // FXU Operations.
666 def ADDI : DForm_2<14, (outs GPRC:$rD), (ins GPRC:$rA, s16imm:$imm),
667 "addi $rD, $rA, $imm", IntGeneral,
668 [(set GPRC:$rD, (add GPRC:$rA, immSExt16:$imm))]>;
669 def ADDIC : DForm_2<12, (outs GPRC:$rD), (ins GPRC:$rA, s16imm:$imm),
670 "addic $rD, $rA, $imm", IntGeneral,
671 [(set GPRC:$rD, (addc GPRC:$rA, immSExt16:$imm))]>,
672 PPC970_DGroup_Cracked;
673 def ADDICo : DForm_2<13, (outs GPRC:$rD), (ins GPRC:$rA, s16imm:$imm),
674 "addic. $rD, $rA, $imm", IntGeneral,
676 def ADDIS : DForm_2<15, (outs GPRC:$rD), (ins GPRC:$rA, symbolHi:$imm),
677 "addis $rD, $rA, $imm", IntGeneral,
678 [(set GPRC:$rD, (add GPRC:$rA, imm16ShiftedSExt:$imm))]>;
679 def LA : DForm_2<14, (outs GPRC:$rD), (ins GPRC:$rA, symbolLo:$sym),
680 "la $rD, $sym($rA)", IntGeneral,
681 [(set GPRC:$rD, (add GPRC:$rA,
682 (PPClo tglobaladdr:$sym, 0)))]>;
683 def MULLI : DForm_2< 7, (outs GPRC:$rD), (ins GPRC:$rA, s16imm:$imm),
684 "mulli $rD, $rA, $imm", IntMulLI,
685 [(set GPRC:$rD, (mul GPRC:$rA, immSExt16:$imm))]>;
686 def SUBFIC : DForm_2< 8, (outs GPRC:$rD), (ins GPRC:$rA, s16imm:$imm),
687 "subfic $rD, $rA, $imm", IntGeneral,
688 [(set GPRC:$rD, (subc immSExt16:$imm, GPRC:$rA))]>;
690 let isReMaterializable = 1, neverHasSideEffects = 1 in {
691 def LI : DForm_2_r0<14, (outs GPRC:$rD), (ins symbolLo:$imm),
692 "li $rD, $imm", IntGeneral,
693 [(set GPRC:$rD, immSExt16:$imm)]>;
694 def LIS : DForm_2_r0<15, (outs GPRC:$rD), (ins symbolHi:$imm),
695 "lis $rD, $imm", IntGeneral,
696 [(set GPRC:$rD, imm16ShiftedSExt:$imm)]>;
700 let PPC970_Unit = 1 in { // FXU Operations.
701 def ANDIo : DForm_4<28, (outs GPRC:$dst), (ins GPRC:$src1, u16imm:$src2),
702 "andi. $dst, $src1, $src2", IntGeneral,
703 [(set GPRC:$dst, (and GPRC:$src1, immZExt16:$src2))]>,
705 def ANDISo : DForm_4<29, (outs GPRC:$dst), (ins GPRC:$src1, u16imm:$src2),
706 "andis. $dst, $src1, $src2", IntGeneral,
707 [(set GPRC:$dst, (and GPRC:$src1,imm16ShiftedZExt:$src2))]>,
709 def ORI : DForm_4<24, (outs GPRC:$dst), (ins GPRC:$src1, u16imm:$src2),
710 "ori $dst, $src1, $src2", IntGeneral,
711 [(set GPRC:$dst, (or GPRC:$src1, immZExt16:$src2))]>;
712 def ORIS : DForm_4<25, (outs GPRC:$dst), (ins GPRC:$src1, u16imm:$src2),
713 "oris $dst, $src1, $src2", IntGeneral,
714 [(set GPRC:$dst, (or GPRC:$src1, imm16ShiftedZExt:$src2))]>;
715 def XORI : DForm_4<26, (outs GPRC:$dst), (ins GPRC:$src1, u16imm:$src2),
716 "xori $dst, $src1, $src2", IntGeneral,
717 [(set GPRC:$dst, (xor GPRC:$src1, immZExt16:$src2))]>;
718 def XORIS : DForm_4<27, (outs GPRC:$dst), (ins GPRC:$src1, u16imm:$src2),
719 "xoris $dst, $src1, $src2", IntGeneral,
720 [(set GPRC:$dst, (xor GPRC:$src1,imm16ShiftedZExt:$src2))]>;
721 def NOP : DForm_4_zero<24, (outs), (ins), "nop", IntGeneral,
723 def CMPWI : DForm_5_ext<11, (outs CRRC:$crD), (ins GPRC:$rA, s16imm:$imm),
724 "cmpwi $crD, $rA, $imm", IntCompare>;
725 def CMPLWI : DForm_6_ext<10, (outs CRRC:$dst), (ins GPRC:$src1, u16imm:$src2),
726 "cmplwi $dst, $src1, $src2", IntCompare>;
730 let PPC970_Unit = 1 in { // FXU Operations.
731 def NAND : XForm_6<31, 476, (outs GPRC:$rA), (ins GPRC:$rS, GPRC:$rB),
732 "nand $rA, $rS, $rB", IntGeneral,
733 [(set GPRC:$rA, (not (and GPRC:$rS, GPRC:$rB)))]>;
734 def AND : XForm_6<31, 28, (outs GPRC:$rA), (ins GPRC:$rS, GPRC:$rB),
735 "and $rA, $rS, $rB", IntGeneral,
736 [(set GPRC:$rA, (and GPRC:$rS, GPRC:$rB))]>;
737 def ANDC : XForm_6<31, 60, (outs GPRC:$rA), (ins GPRC:$rS, GPRC:$rB),
738 "andc $rA, $rS, $rB", IntGeneral,
739 [(set GPRC:$rA, (and GPRC:$rS, (not GPRC:$rB)))]>;
740 def OR : XForm_6<31, 444, (outs GPRC:$rA), (ins GPRC:$rS, GPRC:$rB),
741 "or $rA, $rS, $rB", IntGeneral,
742 [(set GPRC:$rA, (or GPRC:$rS, GPRC:$rB))]>;
743 def NOR : XForm_6<31, 124, (outs GPRC:$rA), (ins GPRC:$rS, GPRC:$rB),
744 "nor $rA, $rS, $rB", IntGeneral,
745 [(set GPRC:$rA, (not (or GPRC:$rS, GPRC:$rB)))]>;
746 def ORC : XForm_6<31, 412, (outs GPRC:$rA), (ins GPRC:$rS, GPRC:$rB),
747 "orc $rA, $rS, $rB", IntGeneral,
748 [(set GPRC:$rA, (or GPRC:$rS, (not GPRC:$rB)))]>;
749 def EQV : XForm_6<31, 284, (outs GPRC:$rA), (ins GPRC:$rS, GPRC:$rB),
750 "eqv $rA, $rS, $rB", IntGeneral,
751 [(set GPRC:$rA, (not (xor GPRC:$rS, GPRC:$rB)))]>;
752 def XOR : XForm_6<31, 316, (outs GPRC:$rA), (ins GPRC:$rS, GPRC:$rB),
753 "xor $rA, $rS, $rB", IntGeneral,
754 [(set GPRC:$rA, (xor GPRC:$rS, GPRC:$rB))]>;
755 def SLW : XForm_6<31, 24, (outs GPRC:$rA), (ins GPRC:$rS, GPRC:$rB),
756 "slw $rA, $rS, $rB", IntGeneral,
757 [(set GPRC:$rA, (PPCshl GPRC:$rS, GPRC:$rB))]>;
758 def SRW : XForm_6<31, 536, (outs GPRC:$rA), (ins GPRC:$rS, GPRC:$rB),
759 "srw $rA, $rS, $rB", IntGeneral,
760 [(set GPRC:$rA, (PPCsrl GPRC:$rS, GPRC:$rB))]>;
761 def SRAW : XForm_6<31, 792, (outs GPRC:$rA), (ins GPRC:$rS, GPRC:$rB),
762 "sraw $rA, $rS, $rB", IntShift,
763 [(set GPRC:$rA, (PPCsra GPRC:$rS, GPRC:$rB))]>;
766 let PPC970_Unit = 1 in { // FXU Operations.
767 def SRAWI : XForm_10<31, 824, (outs GPRC:$rA), (ins GPRC:$rS, u5imm:$SH),
768 "srawi $rA, $rS, $SH", IntShift,
769 [(set GPRC:$rA, (sra GPRC:$rS, (i32 imm:$SH)))]>;
770 def CNTLZW : XForm_11<31, 26, (outs GPRC:$rA), (ins GPRC:$rS),
771 "cntlzw $rA, $rS", IntGeneral,
772 [(set GPRC:$rA, (ctlz GPRC:$rS))]>;
773 def EXTSB : XForm_11<31, 954, (outs GPRC:$rA), (ins GPRC:$rS),
774 "extsb $rA, $rS", IntGeneral,
775 [(set GPRC:$rA, (sext_inreg GPRC:$rS, i8))]>;
776 def EXTSH : XForm_11<31, 922, (outs GPRC:$rA), (ins GPRC:$rS),
777 "extsh $rA, $rS", IntGeneral,
778 [(set GPRC:$rA, (sext_inreg GPRC:$rS, i16))]>;
780 def CMPW : XForm_16_ext<31, 0, (outs CRRC:$crD), (ins GPRC:$rA, GPRC:$rB),
781 "cmpw $crD, $rA, $rB", IntCompare>;
782 def CMPLW : XForm_16_ext<31, 32, (outs CRRC:$crD), (ins GPRC:$rA, GPRC:$rB),
783 "cmplw $crD, $rA, $rB", IntCompare>;
785 let PPC970_Unit = 3 in { // FPU Operations.
786 //def FCMPO : XForm_17<63, 32, (outs CRRC:$crD), (ins FPRC:$fA, FPRC:$fB),
787 // "fcmpo $crD, $fA, $fB", FPCompare>;
788 def FCMPUS : XForm_17<63, 0, (outs CRRC:$crD), (ins F4RC:$fA, F4RC:$fB),
789 "fcmpu $crD, $fA, $fB", FPCompare>;
790 def FCMPUD : XForm_17<63, 0, (outs CRRC:$crD), (ins F8RC:$fA, F8RC:$fB),
791 "fcmpu $crD, $fA, $fB", FPCompare>;
793 def FCTIWZ : XForm_26<63, 15, (outs F8RC:$frD), (ins F8RC:$frB),
794 "fctiwz $frD, $frB", FPGeneral,
795 [(set F8RC:$frD, (PPCfctiwz F8RC:$frB))]>;
796 def FRSP : XForm_26<63, 12, (outs F4RC:$frD), (ins F8RC:$frB),
797 "frsp $frD, $frB", FPGeneral,
798 [(set F4RC:$frD, (fround F8RC:$frB))]>;
799 def FSQRT : XForm_26<63, 22, (outs F8RC:$frD), (ins F8RC:$frB),
800 "fsqrt $frD, $frB", FPSqrt,
801 [(set F8RC:$frD, (fsqrt F8RC:$frB))]>;
802 def FSQRTS : XForm_26<59, 22, (outs F4RC:$frD), (ins F4RC:$frB),
803 "fsqrts $frD, $frB", FPSqrt,
804 [(set F4RC:$frD, (fsqrt F4RC:$frB))]>;
807 /// FMR is split into 3 versions, one for 4/8 byte FP, and one for extending.
809 /// Note that these are defined as pseudo-ops on the PPC970 because they are
810 /// often coalesced away and we don't want the dispatch group builder to think
811 /// that they will fill slots (which could cause the load of a LSU reject to
812 /// sneak into a d-group with a store).
813 def FMRS : XForm_26<63, 72, (outs F4RC:$frD), (ins F4RC:$frB),
814 "fmr $frD, $frB", FPGeneral,
815 []>, // (set F4RC:$frD, F4RC:$frB)
817 def FMRD : XForm_26<63, 72, (outs F8RC:$frD), (ins F8RC:$frB),
818 "fmr $frD, $frB", FPGeneral,
819 []>, // (set F8RC:$frD, F8RC:$frB)
821 def FMRSD : XForm_26<63, 72, (outs F8RC:$frD), (ins F4RC:$frB),
822 "fmr $frD, $frB", FPGeneral,
823 [(set F8RC:$frD, (fextend F4RC:$frB))]>,
826 let PPC970_Unit = 3 in { // FPU Operations.
827 // These are artificially split into two different forms, for 4/8 byte FP.
828 def FABSS : XForm_26<63, 264, (outs F4RC:$frD), (ins F4RC:$frB),
829 "fabs $frD, $frB", FPGeneral,
830 [(set F4RC:$frD, (fabs F4RC:$frB))]>;
831 def FABSD : XForm_26<63, 264, (outs F8RC:$frD), (ins F8RC:$frB),
832 "fabs $frD, $frB", FPGeneral,
833 [(set F8RC:$frD, (fabs F8RC:$frB))]>;
834 def FNABSS : XForm_26<63, 136, (outs F4RC:$frD), (ins F4RC:$frB),
835 "fnabs $frD, $frB", FPGeneral,
836 [(set F4RC:$frD, (fneg (fabs F4RC:$frB)))]>;
837 def FNABSD : XForm_26<63, 136, (outs F8RC:$frD), (ins F8RC:$frB),
838 "fnabs $frD, $frB", FPGeneral,
839 [(set F8RC:$frD, (fneg (fabs F8RC:$frB)))]>;
840 def FNEGS : XForm_26<63, 40, (outs F4RC:$frD), (ins F4RC:$frB),
841 "fneg $frD, $frB", FPGeneral,
842 [(set F4RC:$frD, (fneg F4RC:$frB))]>;
843 def FNEGD : XForm_26<63, 40, (outs F8RC:$frD), (ins F8RC:$frB),
844 "fneg $frD, $frB", FPGeneral,
845 [(set F8RC:$frD, (fneg F8RC:$frB))]>;
849 // XL-Form instructions. condition register logical ops.
851 def MCRF : XLForm_3<19, 0, (outs CRRC:$BF), (ins CRRC:$BFA),
852 "mcrf $BF, $BFA", BrMCR>,
853 PPC970_DGroup_First, PPC970_Unit_CRU;
855 def CREQV : XLForm_1<19, 289, (outs CRRC:$CRD), (ins CRRC:$CRA, CRRC:$CRB),
856 "creqv $CRD, $CRA, $CRB", BrCR,
859 def SETCR : XLForm_1_ext<19, 289, (outs CRRC:$dst), (ins),
860 "creqv $dst, $dst, $dst", BrCR,
863 // XFX-Form instructions. Instructions that deal with SPRs.
865 def MFCTR : XFXForm_1_ext<31, 339, 9, (outs GPRC:$rT), (ins),
866 "mfctr $rT", SprMFSPR>,
867 PPC970_DGroup_First, PPC970_Unit_FXU;
868 let Pattern = [(PPCmtctr GPRC:$rS)] in {
869 def MTCTR : XFXForm_7_ext<31, 467, 9, (outs), (ins GPRC:$rS),
870 "mtctr $rS", SprMTSPR>,
871 PPC970_DGroup_First, PPC970_Unit_FXU;
874 def MTLR : XFXForm_7_ext<31, 467, 8, (outs), (ins GPRC:$rS),
875 "mtlr $rS", SprMTSPR>,
876 PPC970_DGroup_First, PPC970_Unit_FXU;
877 def MFLR : XFXForm_1_ext<31, 339, 8, (outs GPRC:$rT), (ins),
878 "mflr $rT", SprMFSPR>,
879 PPC970_DGroup_First, PPC970_Unit_FXU;
881 // Move to/from VRSAVE: despite being a SPR, the VRSAVE register is renamed like
882 // a GPR on the PPC970. As such, copies in and out have the same performance
883 // characteristics as an OR instruction.
884 def MTVRSAVE : XFXForm_7_ext<31, 467, 256, (outs), (ins GPRC:$rS),
885 "mtspr 256, $rS", IntGeneral>,
886 PPC970_DGroup_Single, PPC970_Unit_FXU;
887 def MFVRSAVE : XFXForm_1_ext<31, 339, 256, (outs GPRC:$rT), (ins),
888 "mfspr $rT, 256", IntGeneral>,
889 PPC970_DGroup_First, PPC970_Unit_FXU;
891 def MTCRF : XFXForm_5<31, 144, (outs), (ins crbitm:$FXM, GPRC:$rS),
892 "mtcrf $FXM, $rS", BrMCRX>,
893 PPC970_MicroCode, PPC970_Unit_CRU;
894 def MFCR : XFXForm_3<31, 19, (outs GPRC:$rT), (ins), "mfcr $rT", SprMFCR>,
895 PPC970_MicroCode, PPC970_Unit_CRU;
896 def MFOCRF: XFXForm_5a<31, 19, (outs GPRC:$rT), (ins crbitm:$FXM),
897 "mfcr $rT, $FXM", SprMFCR>,
898 PPC970_DGroup_First, PPC970_Unit_CRU;
900 // Instructions to manipulate FPSCR. Only long double handling uses these.
901 // FPSCR is not modelled; we use the SDNode Flag to keep things in order.
903 def MFFS : XForm_42<63, 583, (outs F8RC:$rT), (ins),
905 [(set F8RC:$rT, (PPCmffs))]>,
906 PPC970_DGroup_Single, PPC970_Unit_FPU;
907 def MTFSB0 : XForm_43<63, 70, (outs), (ins u5imm:$FM),
908 "mtfsb0 $FM", IntMTFSB0,
909 [(PPCmtfsb0 (i32 imm:$FM))]>,
910 PPC970_DGroup_Single, PPC970_Unit_FPU;
911 def MTFSB1 : XForm_43<63, 38, (outs), (ins u5imm:$FM),
912 "mtfsb1 $FM", IntMTFSB0,
913 [(PPCmtfsb1 (i32 imm:$FM))]>,
914 PPC970_DGroup_Single, PPC970_Unit_FPU;
915 def FADDrtz: AForm_2<63, 21,
916 (outs F8RC:$FRT), (ins F8RC:$FRA, F8RC:$FRB),
917 "fadd $FRT, $FRA, $FRB", FPGeneral,
918 [(set F8RC:$FRT, (PPCfaddrtz F8RC:$FRA, F8RC:$FRB))]>,
919 PPC970_DGroup_Single, PPC970_Unit_FPU;
920 // MTFSF does not actually produce an FP result. We pretend it copies
921 // input reg B to the output. If we didn't do this it would look like the
922 // instruction had no outputs (because we aren't modelling the FPSCR) and
923 // it would be deleted.
924 def MTFSF : XFLForm<63, 711, (outs F8RC:$FRA),
925 (ins i32imm:$FM, F8RC:$rT, F8RC:$FRB),
926 "mtfsf $FM, $rT", "$FRB = $FRA", IntMTFSB0,
927 [(set F8RC:$FRA, (PPCmtfsf (i32 imm:$FM),
928 F8RC:$rT, F8RC:$FRB))]>,
929 PPC970_DGroup_Single, PPC970_Unit_FPU;
931 let PPC970_Unit = 1 in { // FXU Operations.
933 // XO-Form instructions. Arithmetic instructions that can set overflow bit
935 def ADD4 : XOForm_1<31, 266, 0, (outs GPRC:$rT), (ins GPRC:$rA, GPRC:$rB),
936 "add $rT, $rA, $rB", IntGeneral,
937 [(set GPRC:$rT, (add GPRC:$rA, GPRC:$rB))]>;
938 def ADDC : XOForm_1<31, 10, 0, (outs GPRC:$rT), (ins GPRC:$rA, GPRC:$rB),
939 "addc $rT, $rA, $rB", IntGeneral,
940 [(set GPRC:$rT, (addc GPRC:$rA, GPRC:$rB))]>,
941 PPC970_DGroup_Cracked;
942 def ADDE : XOForm_1<31, 138, 0, (outs GPRC:$rT), (ins GPRC:$rA, GPRC:$rB),
943 "adde $rT, $rA, $rB", IntGeneral,
944 [(set GPRC:$rT, (adde GPRC:$rA, GPRC:$rB))]>;
945 def DIVW : XOForm_1<31, 491, 0, (outs GPRC:$rT), (ins GPRC:$rA, GPRC:$rB),
946 "divw $rT, $rA, $rB", IntDivW,
947 [(set GPRC:$rT, (sdiv GPRC:$rA, GPRC:$rB))]>,
948 PPC970_DGroup_First, PPC970_DGroup_Cracked;
949 def DIVWU : XOForm_1<31, 459, 0, (outs GPRC:$rT), (ins GPRC:$rA, GPRC:$rB),
950 "divwu $rT, $rA, $rB", IntDivW,
951 [(set GPRC:$rT, (udiv GPRC:$rA, GPRC:$rB))]>,
952 PPC970_DGroup_First, PPC970_DGroup_Cracked;
953 def MULHW : XOForm_1<31, 75, 0, (outs GPRC:$rT), (ins GPRC:$rA, GPRC:$rB),
954 "mulhw $rT, $rA, $rB", IntMulHW,
955 [(set GPRC:$rT, (mulhs GPRC:$rA, GPRC:$rB))]>;
956 def MULHWU : XOForm_1<31, 11, 0, (outs GPRC:$rT), (ins GPRC:$rA, GPRC:$rB),
957 "mulhwu $rT, $rA, $rB", IntMulHWU,
958 [(set GPRC:$rT, (mulhu GPRC:$rA, GPRC:$rB))]>;
959 def MULLW : XOForm_1<31, 235, 0, (outs GPRC:$rT), (ins GPRC:$rA, GPRC:$rB),
960 "mullw $rT, $rA, $rB", IntMulHW,
961 [(set GPRC:$rT, (mul GPRC:$rA, GPRC:$rB))]>;
962 def SUBF : XOForm_1<31, 40, 0, (outs GPRC:$rT), (ins GPRC:$rA, GPRC:$rB),
963 "subf $rT, $rA, $rB", IntGeneral,
964 [(set GPRC:$rT, (sub GPRC:$rB, GPRC:$rA))]>;
965 def SUBFC : XOForm_1<31, 8, 0, (outs GPRC:$rT), (ins GPRC:$rA, GPRC:$rB),
966 "subfc $rT, $rA, $rB", IntGeneral,
967 [(set GPRC:$rT, (subc GPRC:$rB, GPRC:$rA))]>,
968 PPC970_DGroup_Cracked;
969 def SUBFE : XOForm_1<31, 136, 0, (outs GPRC:$rT), (ins GPRC:$rA, GPRC:$rB),
970 "subfe $rT, $rA, $rB", IntGeneral,
971 [(set GPRC:$rT, (sube GPRC:$rB, GPRC:$rA))]>;
972 def ADDME : XOForm_3<31, 234, 0, (outs GPRC:$rT), (ins GPRC:$rA),
973 "addme $rT, $rA", IntGeneral,
974 [(set GPRC:$rT, (adde GPRC:$rA, immAllOnes))]>;
975 def ADDZE : XOForm_3<31, 202, 0, (outs GPRC:$rT), (ins GPRC:$rA),
976 "addze $rT, $rA", IntGeneral,
977 [(set GPRC:$rT, (adde GPRC:$rA, 0))]>;
978 def NEG : XOForm_3<31, 104, 0, (outs GPRC:$rT), (ins GPRC:$rA),
979 "neg $rT, $rA", IntGeneral,
980 [(set GPRC:$rT, (ineg GPRC:$rA))]>;
981 def SUBFME : XOForm_3<31, 232, 0, (outs GPRC:$rT), (ins GPRC:$rA),
982 "subfme $rT, $rA", IntGeneral,
983 [(set GPRC:$rT, (sube immAllOnes, GPRC:$rA))]>;
984 def SUBFZE : XOForm_3<31, 200, 0, (outs GPRC:$rT), (ins GPRC:$rA),
985 "subfze $rT, $rA", IntGeneral,
986 [(set GPRC:$rT, (sube 0, GPRC:$rA))]>;
989 // A-Form instructions. Most of the instructions executed in the FPU are of
992 let PPC970_Unit = 3 in { // FPU Operations.
993 def FMADD : AForm_1<63, 29,
994 (outs F8RC:$FRT), (ins F8RC:$FRA, F8RC:$FRC, F8RC:$FRB),
995 "fmadd $FRT, $FRA, $FRC, $FRB", FPFused,
996 [(set F8RC:$FRT, (fadd (fmul F8RC:$FRA, F8RC:$FRC),
998 Requires<[FPContractions]>;
999 def FMADDS : AForm_1<59, 29,
1000 (outs F4RC:$FRT), (ins F4RC:$FRA, F4RC:$FRC, F4RC:$FRB),
1001 "fmadds $FRT, $FRA, $FRC, $FRB", FPGeneral,
1002 [(set F4RC:$FRT, (fadd (fmul F4RC:$FRA, F4RC:$FRC),
1004 Requires<[FPContractions]>;
1005 def FMSUB : AForm_1<63, 28,
1006 (outs F8RC:$FRT), (ins F8RC:$FRA, F8RC:$FRC, F8RC:$FRB),
1007 "fmsub $FRT, $FRA, $FRC, $FRB", FPFused,
1008 [(set F8RC:$FRT, (fsub (fmul F8RC:$FRA, F8RC:$FRC),
1010 Requires<[FPContractions]>;
1011 def FMSUBS : AForm_1<59, 28,
1012 (outs F4RC:$FRT), (ins F4RC:$FRA, F4RC:$FRC, F4RC:$FRB),
1013 "fmsubs $FRT, $FRA, $FRC, $FRB", FPGeneral,
1014 [(set F4RC:$FRT, (fsub (fmul F4RC:$FRA, F4RC:$FRC),
1016 Requires<[FPContractions]>;
1017 def FNMADD : AForm_1<63, 31,
1018 (outs F8RC:$FRT), (ins F8RC:$FRA, F8RC:$FRC, F8RC:$FRB),
1019 "fnmadd $FRT, $FRA, $FRC, $FRB", FPFused,
1020 [(set F8RC:$FRT, (fneg (fadd (fmul F8RC:$FRA, F8RC:$FRC),
1022 Requires<[FPContractions]>;
1023 def FNMADDS : AForm_1<59, 31,
1024 (outs F4RC:$FRT), (ins F4RC:$FRA, F4RC:$FRC, F4RC:$FRB),
1025 "fnmadds $FRT, $FRA, $FRC, $FRB", FPGeneral,
1026 [(set F4RC:$FRT, (fneg (fadd (fmul F4RC:$FRA, F4RC:$FRC),
1028 Requires<[FPContractions]>;
1029 def FNMSUB : AForm_1<63, 30,
1030 (outs F8RC:$FRT), (ins F8RC:$FRA, F8RC:$FRC, F8RC:$FRB),
1031 "fnmsub $FRT, $FRA, $FRC, $FRB", FPFused,
1032 [(set F8RC:$FRT, (fneg (fsub (fmul F8RC:$FRA, F8RC:$FRC),
1034 Requires<[FPContractions]>;
1035 def FNMSUBS : AForm_1<59, 30,
1036 (outs F4RC:$FRT), (ins F4RC:$FRA, F4RC:$FRC, F4RC:$FRB),
1037 "fnmsubs $FRT, $FRA, $FRC, $FRB", FPGeneral,
1038 [(set F4RC:$FRT, (fneg (fsub (fmul F4RC:$FRA, F4RC:$FRC),
1040 Requires<[FPContractions]>;
1041 // FSEL is artificially split into 4 and 8-byte forms for the result. To avoid
1042 // having 4 of these, force the comparison to always be an 8-byte double (code
1043 // should use an FMRSD if the input comparison value really wants to be a float)
1044 // and 4/8 byte forms for the result and operand type..
1045 def FSELD : AForm_1<63, 23,
1046 (outs F8RC:$FRT), (ins F8RC:$FRA, F8RC:$FRC, F8RC:$FRB),
1047 "fsel $FRT, $FRA, $FRC, $FRB", FPGeneral,
1048 [(set F8RC:$FRT, (PPCfsel F8RC:$FRA,F8RC:$FRC,F8RC:$FRB))]>;
1049 def FSELS : AForm_1<63, 23,
1050 (outs F4RC:$FRT), (ins F8RC:$FRA, F4RC:$FRC, F4RC:$FRB),
1051 "fsel $FRT, $FRA, $FRC, $FRB", FPGeneral,
1052 [(set F4RC:$FRT, (PPCfsel F8RC:$FRA,F4RC:$FRC,F4RC:$FRB))]>;
1053 def FADD : AForm_2<63, 21,
1054 (outs F8RC:$FRT), (ins F8RC:$FRA, F8RC:$FRB),
1055 "fadd $FRT, $FRA, $FRB", FPGeneral,
1056 [(set F8RC:$FRT, (fadd F8RC:$FRA, F8RC:$FRB))]>;
1057 def FADDS : AForm_2<59, 21,
1058 (outs F4RC:$FRT), (ins F4RC:$FRA, F4RC:$FRB),
1059 "fadds $FRT, $FRA, $FRB", FPGeneral,
1060 [(set F4RC:$FRT, (fadd F4RC:$FRA, F4RC:$FRB))]>;
1061 def FDIV : AForm_2<63, 18,
1062 (outs F8RC:$FRT), (ins F8RC:$FRA, F8RC:$FRB),
1063 "fdiv $FRT, $FRA, $FRB", FPDivD,
1064 [(set F8RC:$FRT, (fdiv F8RC:$FRA, F8RC:$FRB))]>;
1065 def FDIVS : AForm_2<59, 18,
1066 (outs F4RC:$FRT), (ins F4RC:$FRA, F4RC:$FRB),
1067 "fdivs $FRT, $FRA, $FRB", FPDivS,
1068 [(set F4RC:$FRT, (fdiv F4RC:$FRA, F4RC:$FRB))]>;
1069 def FMUL : AForm_3<63, 25,
1070 (outs F8RC:$FRT), (ins F8RC:$FRA, F8RC:$FRB),
1071 "fmul $FRT, $FRA, $FRB", FPFused,
1072 [(set F8RC:$FRT, (fmul F8RC:$FRA, F8RC:$FRB))]>;
1073 def FMULS : AForm_3<59, 25,
1074 (outs F4RC:$FRT), (ins F4RC:$FRA, F4RC:$FRB),
1075 "fmuls $FRT, $FRA, $FRB", FPGeneral,
1076 [(set F4RC:$FRT, (fmul F4RC:$FRA, F4RC:$FRB))]>;
1077 def FSUB : AForm_2<63, 20,
1078 (outs F8RC:$FRT), (ins F8RC:$FRA, F8RC:$FRB),
1079 "fsub $FRT, $FRA, $FRB", FPGeneral,
1080 [(set F8RC:$FRT, (fsub F8RC:$FRA, F8RC:$FRB))]>;
1081 def FSUBS : AForm_2<59, 20,
1082 (outs F4RC:$FRT), (ins F4RC:$FRA, F4RC:$FRB),
1083 "fsubs $FRT, $FRA, $FRB", FPGeneral,
1084 [(set F4RC:$FRT, (fsub F4RC:$FRA, F4RC:$FRB))]>;
1087 let PPC970_Unit = 1 in { // FXU Operations.
1088 // M-Form instructions. rotate and mask instructions.
1090 let isCommutable = 1 in {
1091 // RLWIMI can be commuted if the rotate amount is zero.
1092 def RLWIMI : MForm_2<20,
1093 (outs GPRC:$rA), (ins GPRC:$rSi, GPRC:$rS, u5imm:$SH, u5imm:$MB,
1094 u5imm:$ME), "rlwimi $rA, $rS, $SH, $MB, $ME", IntRotate,
1095 []>, PPC970_DGroup_Cracked, RegConstraint<"$rSi = $rA">,
1098 def RLWINM : MForm_2<21,
1099 (outs GPRC:$rA), (ins GPRC:$rS, u5imm:$SH, u5imm:$MB, u5imm:$ME),
1100 "rlwinm $rA, $rS, $SH, $MB, $ME", IntGeneral,
1102 def RLWINMo : MForm_2<21,
1103 (outs GPRC:$rA), (ins GPRC:$rS, u5imm:$SH, u5imm:$MB, u5imm:$ME),
1104 "rlwinm. $rA, $rS, $SH, $MB, $ME", IntGeneral,
1105 []>, isDOT, PPC970_DGroup_Cracked;
1106 def RLWNM : MForm_2<23,
1107 (outs GPRC:$rA), (ins GPRC:$rS, GPRC:$rB, u5imm:$MB, u5imm:$ME),
1108 "rlwnm $rA, $rS, $rB, $MB, $ME", IntGeneral,
1113 //===----------------------------------------------------------------------===//
1114 // DWARF Pseudo Instructions
1117 def DWARF_LOC : Pseudo<(outs), (ins i32imm:$line, i32imm:$col, i32imm:$file),
1118 "${:comment} .loc $file, $line, $col",
1119 [(dwarf_loc (i32 imm:$line), (i32 imm:$col),
1122 //===----------------------------------------------------------------------===//
1123 // PowerPC Instruction Patterns
1126 // Arbitrary immediate support. Implement in terms of LIS/ORI.
1127 def : Pat<(i32 imm:$imm),
1128 (ORI (LIS (HI16 imm:$imm)), (LO16 imm:$imm))>;
1130 // Implement the 'not' operation with the NOR instruction.
1131 def NOT : Pat<(not GPRC:$in),
1132 (NOR GPRC:$in, GPRC:$in)>;
1134 // ADD an arbitrary immediate.
1135 def : Pat<(add GPRC:$in, imm:$imm),
1136 (ADDIS (ADDI GPRC:$in, (LO16 imm:$imm)), (HA16 imm:$imm))>;
1137 // OR an arbitrary immediate.
1138 def : Pat<(or GPRC:$in, imm:$imm),
1139 (ORIS (ORI GPRC:$in, (LO16 imm:$imm)), (HI16 imm:$imm))>;
1140 // XOR an arbitrary immediate.
1141 def : Pat<(xor GPRC:$in, imm:$imm),
1142 (XORIS (XORI GPRC:$in, (LO16 imm:$imm)), (HI16 imm:$imm))>;
1144 def : Pat<(sub immSExt16:$imm, GPRC:$in),
1145 (SUBFIC GPRC:$in, imm:$imm)>;
1148 def : Pat<(shl GPRC:$in, (i32 imm:$imm)),
1149 (RLWINM GPRC:$in, imm:$imm, 0, (SHL32 imm:$imm))>;
1150 def : Pat<(srl GPRC:$in, (i32 imm:$imm)),
1151 (RLWINM GPRC:$in, (SRL32 imm:$imm), imm:$imm, 31)>;
1154 def : Pat<(rotl GPRC:$in, GPRC:$sh),
1155 (RLWNM GPRC:$in, GPRC:$sh, 0, 31)>;
1156 def : Pat<(rotl GPRC:$in, (i32 imm:$imm)),
1157 (RLWINM GPRC:$in, imm:$imm, 0, 31)>;
1160 def : Pat<(and (rotl GPRC:$in, GPRC:$sh), maskimm32:$imm),
1161 (RLWNM GPRC:$in, GPRC:$sh, (MB maskimm32:$imm), (ME maskimm32:$imm))>;
1164 def : Pat<(PPCcall_Macho (i32 tglobaladdr:$dst)),
1165 (BL_Macho tglobaladdr:$dst)>;
1166 def : Pat<(PPCcall_Macho (i32 texternalsym:$dst)),
1167 (BL_Macho texternalsym:$dst)>;
1168 def : Pat<(PPCcall_ELF (i32 tglobaladdr:$dst)),
1169 (BL_ELF tglobaladdr:$dst)>;
1170 def : Pat<(PPCcall_ELF (i32 texternalsym:$dst)),
1171 (BL_ELF texternalsym:$dst)>;
1173 // Hi and Lo for Darwin Global Addresses.
1174 def : Pat<(PPChi tglobaladdr:$in, 0), (LIS tglobaladdr:$in)>;
1175 def : Pat<(PPClo tglobaladdr:$in, 0), (LI tglobaladdr:$in)>;
1176 def : Pat<(PPChi tconstpool:$in, 0), (LIS tconstpool:$in)>;
1177 def : Pat<(PPClo tconstpool:$in, 0), (LI tconstpool:$in)>;
1178 def : Pat<(PPChi tjumptable:$in, 0), (LIS tjumptable:$in)>;
1179 def : Pat<(PPClo tjumptable:$in, 0), (LI tjumptable:$in)>;
1180 def : Pat<(add GPRC:$in, (PPChi tglobaladdr:$g, 0)),
1181 (ADDIS GPRC:$in, tglobaladdr:$g)>;
1182 def : Pat<(add GPRC:$in, (PPChi tconstpool:$g, 0)),
1183 (ADDIS GPRC:$in, tconstpool:$g)>;
1184 def : Pat<(add GPRC:$in, (PPChi tjumptable:$g, 0)),
1185 (ADDIS GPRC:$in, tjumptable:$g)>;
1187 // Fused negative multiply subtract, alternate pattern
1188 def : Pat<(fsub F8RC:$B, (fmul F8RC:$A, F8RC:$C)),
1189 (FNMSUB F8RC:$A, F8RC:$C, F8RC:$B)>,
1190 Requires<[FPContractions]>;
1191 def : Pat<(fsub F4RC:$B, (fmul F4RC:$A, F4RC:$C)),
1192 (FNMSUBS F4RC:$A, F4RC:$C, F4RC:$B)>,
1193 Requires<[FPContractions]>;
1195 // Standard shifts. These are represented separately from the real shifts above
1196 // so that we can distinguish between shifts that allow 5-bit and 6-bit shift
1198 def : Pat<(sra GPRC:$rS, GPRC:$rB),
1199 (SRAW GPRC:$rS, GPRC:$rB)>;
1200 def : Pat<(srl GPRC:$rS, GPRC:$rB),
1201 (SRW GPRC:$rS, GPRC:$rB)>;
1202 def : Pat<(shl GPRC:$rS, GPRC:$rB),
1203 (SLW GPRC:$rS, GPRC:$rB)>;
1205 def : Pat<(zextloadi1 iaddr:$src),
1207 def : Pat<(zextloadi1 xaddr:$src),
1209 def : Pat<(extloadi1 iaddr:$src),
1211 def : Pat<(extloadi1 xaddr:$src),
1213 def : Pat<(extloadi8 iaddr:$src),
1215 def : Pat<(extloadi8 xaddr:$src),
1217 def : Pat<(extloadi16 iaddr:$src),
1219 def : Pat<(extloadi16 xaddr:$src),
1221 def : Pat<(extloadf32 iaddr:$src),
1222 (FMRSD (LFS iaddr:$src))>;
1223 def : Pat<(extloadf32 xaddr:$src),
1224 (FMRSD (LFSX xaddr:$src))>;
1226 include "PPCInstrAltivec.td"
1227 include "PPCInstr64Bit.td"