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">;
307 def In32BitMode : Predicate<"!PPCSubTarget.isPPC64()">;
308 def In64BitMode : Predicate<"PPCSubTarget.isPPC64()">;
311 //===----------------------------------------------------------------------===//
312 // PowerPC Instruction Definitions.
314 // Pseudo-instructions:
316 let hasCtrlDep = 1 in {
317 let Defs = [R1], Uses = [R1] in {
318 def ADJCALLSTACKDOWN : Pseudo<(outs), (ins u16imm:$amt),
319 "${:comment} ADJCALLSTACKDOWN",
320 [(callseq_start imm:$amt)]>;
321 def ADJCALLSTACKUP : Pseudo<(outs), (ins u16imm:$amt),
322 "${:comment} ADJCALLSTACKUP",
323 [(callseq_end imm:$amt)]>;
326 def UPDATE_VRSAVE : Pseudo<(outs GPRC:$rD), (ins GPRC:$rS),
327 "UPDATE_VRSAVE $rD, $rS", []>;
330 let Defs = [R1], Uses = [R1] in
331 def DYNALLOC : Pseudo<(outs GPRC:$result), (ins GPRC:$negsize, memri:$fpsi),
332 "${:comment} DYNALLOC $result, $negsize, $fpsi",
334 (PPCdynalloc GPRC:$negsize, iaddr:$fpsi))]>;
336 def IMPLICIT_DEF_GPRC: Pseudo<(outs GPRC:$rD), (ins),
337 "${:comment}IMPLICIT_DEF_GPRC $rD",
338 [(set GPRC:$rD, (undef))]>;
339 def IMPLICIT_DEF_F8 : Pseudo<(outs F8RC:$rD), (ins),
340 "${:comment} IMPLICIT_DEF_F8 $rD",
341 [(set F8RC:$rD, (undef))]>;
342 def IMPLICIT_DEF_F4 : Pseudo<(outs F4RC:$rD), (ins),
343 "${:comment} IMPLICIT_DEF_F4 $rD",
344 [(set F4RC:$rD, (undef))]>;
346 // SELECT_CC_* - Used to implement the SELECT_CC DAG operation. Expanded by the
347 // scheduler into a branch sequence.
348 let usesCustomDAGSchedInserter = 1, // Expanded by the scheduler.
349 PPC970_Single = 1 in {
350 def SELECT_CC_I4 : Pseudo<(outs GPRC:$dst), (ins CRRC:$cond, GPRC:$T, GPRC:$F,
351 i32imm:$BROPC), "${:comment} SELECT_CC PSEUDO!",
353 def SELECT_CC_I8 : Pseudo<(outs G8RC:$dst), (ins CRRC:$cond, G8RC:$T, G8RC:$F,
354 i32imm:$BROPC), "${:comment} SELECT_CC PSEUDO!",
356 def SELECT_CC_F4 : Pseudo<(outs F4RC:$dst), (ins CRRC:$cond, F4RC:$T, F4RC:$F,
357 i32imm:$BROPC), "${:comment} SELECT_CC PSEUDO!",
359 def SELECT_CC_F8 : Pseudo<(outs F8RC:$dst), (ins CRRC:$cond, F8RC:$T, F8RC:$F,
360 i32imm:$BROPC), "${:comment} SELECT_CC PSEUDO!",
362 def SELECT_CC_VRRC: Pseudo<(outs VRRC:$dst), (ins CRRC:$cond, VRRC:$T, VRRC:$F,
363 i32imm:$BROPC), "${:comment} SELECT_CC PSEUDO!",
367 let isTerminator = 1, isBarrier = 1, PPC970_Unit = 7 in {
369 def BLR : XLForm_2_br<19, 16, 0, (outs), (ins pred:$p),
370 "b${p:cc}lr ${p:reg}", BrB,
372 let isBranch = 1, isIndirectBranch = 1 in
373 def BCTR : XLForm_2_ext<19, 528, 20, 0, 0, (outs), (ins), "bctr", BrB, []>;
379 def MovePCtoLR : Pseudo<(outs), (ins piclabel:$label), "bl $label", []>,
382 let isBranch = 1, isTerminator = 1, hasCtrlDep = 1, PPC970_Unit = 7 in {
383 let isBarrier = 1 in {
384 def B : IForm<18, 0, 0, (outs), (ins target:$dst),
389 // BCC represents an arbitrary conditional branch on a predicate.
390 // FIXME: should be able to write a pattern for PPCcondbranch, but can't use
391 // a two-value operand where a dag node expects two operands. :(
392 def BCC : BForm<16, 0, 0, (outs), (ins pred:$cond, target:$dst),
393 "b${cond:cc} ${cond:reg}, $dst"
394 /*[(PPCcondbranch CRRC:$crS, imm:$opc, bb:$dst)]*/>;
398 let isCall = 1, PPC970_Unit = 7,
399 // All calls clobber the non-callee saved registers...
400 Defs = [R0,R2,R3,R4,R5,R6,R7,R8,R9,R10,R11,R12,
401 F0,F1,F2,F3,F4,F5,F6,F7,F8,F9,F10,F11,F12,F13,
402 V0,V1,V2,V3,V4,V5,V6,V7,V8,V9,V10,V11,V12,V13,V14,V15,V16,V17,V18,V19,
404 CR0,CR1,CR5,CR6,CR7] in {
405 // Convenient aliases for call instructions
406 def BL_Macho : IForm<18, 0, 1,
407 (outs), (ins calltarget:$func, variable_ops),
408 "bl $func", BrB, []>; // See Pat patterns below.
409 def BLA_Macho : IForm<18, 1, 1,
410 (outs), (ins aaddr:$func, variable_ops),
411 "bla $func", BrB, [(PPCcall_Macho (i32 imm:$func))]>;
412 def BCTRL_Macho : XLForm_2_ext<19, 528, 20, 0, 1,
413 (outs), (ins variable_ops),
415 [(PPCbctrl_Macho)]>, Requires<[In32BitMode]>;
419 let isCall = 1, PPC970_Unit = 7,
420 // All calls clobber the non-callee saved registers...
421 Defs = [R0,R2,R3,R4,R5,R6,R7,R8,R9,R10,R11,R12,
422 F0,F1,F2,F3,F4,F5,F6,F7,F8,
423 V0,V1,V2,V3,V4,V5,V6,V7,V8,V9,V10,V11,V12,V13,V14,V15,V16,V17,V18,V19,
425 CR0,CR1,CR5,CR6,CR7] in {
426 // Convenient aliases for call instructions
427 def BL_ELF : IForm<18, 0, 1,
428 (outs), (ins calltarget:$func, variable_ops),
429 "bl $func", BrB, []>; // See Pat patterns below.
430 def BLA_ELF : IForm<18, 1, 1,
431 (outs), (ins aaddr:$func, variable_ops),
433 [(PPCcall_ELF (i32 imm:$func))]>;
434 def BCTRL_ELF : XLForm_2_ext<19, 528, 20, 0, 1,
435 (outs), (ins variable_ops),
437 [(PPCbctrl_ELF)]>, Requires<[In32BitMode]>;
440 // DCB* instructions.
441 def DCBA : DCB_Form<758, 0, (outs), (ins memrr:$dst),
442 "dcba $dst", LdStDCBF, [(int_ppc_dcba xoaddr:$dst)]>,
443 PPC970_DGroup_Single;
444 def DCBF : DCB_Form<86, 0, (outs), (ins memrr:$dst),
445 "dcbf $dst", LdStDCBF, [(int_ppc_dcbf xoaddr:$dst)]>,
446 PPC970_DGroup_Single;
447 def DCBI : DCB_Form<470, 0, (outs), (ins memrr:$dst),
448 "dcbi $dst", LdStDCBF, [(int_ppc_dcbi xoaddr:$dst)]>,
449 PPC970_DGroup_Single;
450 def DCBST : DCB_Form<54, 0, (outs), (ins memrr:$dst),
451 "dcbst $dst", LdStDCBF, [(int_ppc_dcbst xoaddr:$dst)]>,
452 PPC970_DGroup_Single;
453 def DCBT : DCB_Form<278, 0, (outs), (ins memrr:$dst),
454 "dcbt $dst", LdStDCBF, [(int_ppc_dcbt xoaddr:$dst)]>,
455 PPC970_DGroup_Single;
456 def DCBTST : DCB_Form<246, 0, (outs), (ins memrr:$dst),
457 "dcbtst $dst", LdStDCBF, [(int_ppc_dcbtst xoaddr:$dst)]>,
458 PPC970_DGroup_Single;
459 def DCBZ : DCB_Form<1014, 0, (outs), (ins memrr:$dst),
460 "dcbz $dst", LdStDCBF, [(int_ppc_dcbz xoaddr:$dst)]>,
461 PPC970_DGroup_Single;
462 def DCBZL : DCB_Form<1014, 1, (outs), (ins memrr:$dst),
463 "dcbzl $dst", LdStDCBF, [(int_ppc_dcbzl xoaddr:$dst)]>,
464 PPC970_DGroup_Single;
466 //===----------------------------------------------------------------------===//
467 // PPC32 Load Instructions.
470 // Unindexed (r+i) Loads.
471 let isLoad = 1, PPC970_Unit = 2 in {
472 def LBZ : DForm_1<34, (outs GPRC:$rD), (ins memri:$src),
473 "lbz $rD, $src", LdStGeneral,
474 [(set GPRC:$rD, (zextloadi8 iaddr:$src))]>;
475 def LHA : DForm_1<42, (outs GPRC:$rD), (ins memri:$src),
476 "lha $rD, $src", LdStLHA,
477 [(set GPRC:$rD, (sextloadi16 iaddr:$src))]>,
478 PPC970_DGroup_Cracked;
479 def LHZ : DForm_1<40, (outs GPRC:$rD), (ins memri:$src),
480 "lhz $rD, $src", LdStGeneral,
481 [(set GPRC:$rD, (zextloadi16 iaddr:$src))]>;
482 def LWZ : DForm_1<32, (outs GPRC:$rD), (ins memri:$src),
483 "lwz $rD, $src", LdStGeneral,
484 [(set GPRC:$rD, (load iaddr:$src))]>;
486 def LFS : DForm_1<48, (outs F4RC:$rD), (ins memri:$src),
487 "lfs $rD, $src", LdStLFDU,
488 [(set F4RC:$rD, (load iaddr:$src))]>;
489 def LFD : DForm_1<50, (outs F8RC:$rD), (ins memri:$src),
490 "lfd $rD, $src", LdStLFD,
491 [(set F8RC:$rD, (load iaddr:$src))]>;
494 // Unindexed (r+i) Loads with Update (preinc).
495 def LBZU : DForm_1<35, (outs GPRC:$rD, ptr_rc:$ea_result), (ins memri:$addr),
496 "lbzu $rD, $addr", LdStGeneral,
497 []>, RegConstraint<"$addr.reg = $ea_result">,
498 NoEncode<"$ea_result">;
500 def LHAU : DForm_1<43, (outs GPRC:$rD, ptr_rc:$ea_result), (ins memri:$addr),
501 "lhau $rD, $addr", LdStGeneral,
502 []>, RegConstraint<"$addr.reg = $ea_result">,
503 NoEncode<"$ea_result">;
505 def LHZU : DForm_1<41, (outs GPRC:$rD, ptr_rc:$ea_result), (ins memri:$addr),
506 "lhzu $rD, $addr", LdStGeneral,
507 []>, RegConstraint<"$addr.reg = $ea_result">,
508 NoEncode<"$ea_result">;
510 def LWZU : DForm_1<33, (outs GPRC:$rD, ptr_rc:$ea_result), (ins memri:$addr),
511 "lwzu $rD, $addr", LdStGeneral,
512 []>, RegConstraint<"$addr.reg = $ea_result">,
513 NoEncode<"$ea_result">;
515 def LFSU : DForm_1<49, (outs F4RC:$rD, ptr_rc:$ea_result), (ins memri:$addr),
516 "lfs $rD, $addr", LdStLFDU,
517 []>, RegConstraint<"$addr.reg = $ea_result">,
518 NoEncode<"$ea_result">;
520 def LFDU : DForm_1<51, (outs F8RC:$rD, ptr_rc:$ea_result), (ins memri:$addr),
521 "lfd $rD, $addr", LdStLFD,
522 []>, RegConstraint<"$addr.reg = $ea_result">,
523 NoEncode<"$ea_result">;
526 // Indexed (r+r) Loads.
528 let isLoad = 1, PPC970_Unit = 2 in {
529 def LBZX : XForm_1<31, 87, (outs GPRC:$rD), (ins memrr:$src),
530 "lbzx $rD, $src", LdStGeneral,
531 [(set GPRC:$rD, (zextloadi8 xaddr:$src))]>;
532 def LHAX : XForm_1<31, 343, (outs GPRC:$rD), (ins memrr:$src),
533 "lhax $rD, $src", LdStLHA,
534 [(set GPRC:$rD, (sextloadi16 xaddr:$src))]>,
535 PPC970_DGroup_Cracked;
536 def LHZX : XForm_1<31, 279, (outs GPRC:$rD), (ins memrr:$src),
537 "lhzx $rD, $src", LdStGeneral,
538 [(set GPRC:$rD, (zextloadi16 xaddr:$src))]>;
539 def LWZX : XForm_1<31, 23, (outs GPRC:$rD), (ins memrr:$src),
540 "lwzx $rD, $src", LdStGeneral,
541 [(set GPRC:$rD, (load xaddr:$src))]>;
544 def LHBRX : XForm_1<31, 790, (outs GPRC:$rD), (ins memrr:$src),
545 "lhbrx $rD, $src", LdStGeneral,
546 [(set GPRC:$rD, (PPClbrx xoaddr:$src, srcvalue:$sv, i16))]>;
547 def LWBRX : XForm_1<31, 534, (outs GPRC:$rD), (ins memrr:$src),
548 "lwbrx $rD, $src", LdStGeneral,
549 [(set GPRC:$rD, (PPClbrx xoaddr:$src, srcvalue:$sv, i32))]>;
551 def LFSX : XForm_25<31, 535, (outs F4RC:$frD), (ins memrr:$src),
552 "lfsx $frD, $src", LdStLFDU,
553 [(set F4RC:$frD, (load xaddr:$src))]>;
554 def LFDX : XForm_25<31, 599, (outs F8RC:$frD), (ins memrr:$src),
555 "lfdx $frD, $src", LdStLFDU,
556 [(set F8RC:$frD, (load xaddr:$src))]>;
559 //===----------------------------------------------------------------------===//
560 // PPC32 Store Instructions.
563 // Unindexed (r+i) Stores.
564 let isStore = 1, PPC970_Unit = 2 in {
565 def STB : DForm_1<38, (outs), (ins GPRC:$rS, memri:$src),
566 "stb $rS, $src", LdStGeneral,
567 [(truncstorei8 GPRC:$rS, iaddr:$src)]>;
568 def STH : DForm_1<44, (outs), (ins GPRC:$rS, memri:$src),
569 "sth $rS, $src", LdStGeneral,
570 [(truncstorei16 GPRC:$rS, iaddr:$src)]>;
571 def STW : DForm_1<36, (outs), (ins GPRC:$rS, memri:$src),
572 "stw $rS, $src", LdStGeneral,
573 [(store GPRC:$rS, iaddr:$src)]>;
574 def STFS : DForm_1<52, (outs), (ins F4RC:$rS, memri:$dst),
575 "stfs $rS, $dst", LdStUX,
576 [(store F4RC:$rS, iaddr:$dst)]>;
577 def STFD : DForm_1<54, (outs), (ins F8RC:$rS, memri:$dst),
578 "stfd $rS, $dst", LdStUX,
579 [(store F8RC:$rS, iaddr:$dst)]>;
582 // Unindexed (r+i) Stores with Update (preinc).
583 let isStore = 1, PPC970_Unit = 2 in {
584 def STBU : DForm_1<39, (outs ptr_rc:$ea_res), (ins GPRC:$rS,
585 symbolLo:$ptroff, ptr_rc:$ptrreg),
586 "stbu $rS, $ptroff($ptrreg)", LdStGeneral,
587 [(set ptr_rc:$ea_res,
588 (pre_truncsti8 GPRC:$rS, ptr_rc:$ptrreg,
589 iaddroff:$ptroff))]>,
590 RegConstraint<"$ptrreg = $ea_res">, NoEncode<"$ea_res">;
591 def STHU : DForm_1<45, (outs ptr_rc:$ea_res), (ins GPRC:$rS,
592 symbolLo:$ptroff, ptr_rc:$ptrreg),
593 "sthu $rS, $ptroff($ptrreg)", LdStGeneral,
594 [(set ptr_rc:$ea_res,
595 (pre_truncsti16 GPRC:$rS, ptr_rc:$ptrreg,
596 iaddroff:$ptroff))]>,
597 RegConstraint<"$ptrreg = $ea_res">, NoEncode<"$ea_res">;
598 def STWU : DForm_1<37, (outs ptr_rc:$ea_res), (ins GPRC:$rS,
599 symbolLo:$ptroff, ptr_rc:$ptrreg),
600 "stwu $rS, $ptroff($ptrreg)", LdStGeneral,
601 [(set ptr_rc:$ea_res, (pre_store GPRC:$rS, ptr_rc:$ptrreg,
602 iaddroff:$ptroff))]>,
603 RegConstraint<"$ptrreg = $ea_res">, NoEncode<"$ea_res">;
604 def STFSU : DForm_1<37, (outs ptr_rc:$ea_res), (ins F4RC:$rS,
605 symbolLo:$ptroff, ptr_rc:$ptrreg),
606 "stfsu $rS, $ptroff($ptrreg)", LdStGeneral,
607 [(set ptr_rc:$ea_res, (pre_store F4RC:$rS, ptr_rc:$ptrreg,
608 iaddroff:$ptroff))]>,
609 RegConstraint<"$ptrreg = $ea_res">, NoEncode<"$ea_res">;
610 def STFDU : DForm_1<37, (outs ptr_rc:$ea_res), (ins F8RC:$rS,
611 symbolLo:$ptroff, ptr_rc:$ptrreg),
612 "stfdu $rS, $ptroff($ptrreg)", LdStGeneral,
613 [(set ptr_rc:$ea_res, (pre_store F8RC:$rS, ptr_rc:$ptrreg,
614 iaddroff:$ptroff))]>,
615 RegConstraint<"$ptrreg = $ea_res">, NoEncode<"$ea_res">;
619 // Indexed (r+r) Stores.
621 let isStore = 1, PPC970_Unit = 2 in {
622 def STBX : XForm_8<31, 215, (outs), (ins GPRC:$rS, memrr:$dst),
623 "stbx $rS, $dst", LdStGeneral,
624 [(truncstorei8 GPRC:$rS, xaddr:$dst)]>,
625 PPC970_DGroup_Cracked;
626 def STHX : XForm_8<31, 407, (outs), (ins GPRC:$rS, memrr:$dst),
627 "sthx $rS, $dst", LdStGeneral,
628 [(truncstorei16 GPRC:$rS, xaddr:$dst)]>,
629 PPC970_DGroup_Cracked;
630 def STWX : XForm_8<31, 151, (outs), (ins GPRC:$rS, memrr:$dst),
631 "stwx $rS, $dst", LdStGeneral,
632 [(store GPRC:$rS, xaddr:$dst)]>,
633 PPC970_DGroup_Cracked;
634 def STWUX : XForm_8<31, 183, (outs), (ins GPRC:$rS, GPRC:$rA, GPRC:$rB),
635 "stwux $rS, $rA, $rB", LdStGeneral,
637 def STHBRX: XForm_8<31, 918, (outs), (ins GPRC:$rS, memrr:$dst),
638 "sthbrx $rS, $dst", LdStGeneral,
639 [(PPCstbrx GPRC:$rS, xoaddr:$dst, srcvalue:$dummy, i16)]>,
640 PPC970_DGroup_Cracked;
641 def STWBRX: XForm_8<31, 662, (outs), (ins GPRC:$rS, memrr:$dst),
642 "stwbrx $rS, $dst", LdStGeneral,
643 [(PPCstbrx GPRC:$rS, xoaddr:$dst, srcvalue:$dummy, i32)]>,
644 PPC970_DGroup_Cracked;
646 def STFIWX: XForm_28<31, 983, (outs), (ins F8RC:$frS, memrr:$dst),
647 "stfiwx $frS, $dst", LdStUX,
648 [(PPCstfiwx F8RC:$frS, xoaddr:$dst)]>;
649 def STFSX : XForm_28<31, 663, (outs), (ins F4RC:$frS, memrr:$dst),
650 "stfsx $frS, $dst", LdStUX,
651 [(store F4RC:$frS, xaddr:$dst)]>;
652 def STFDX : XForm_28<31, 727, (outs), (ins F8RC:$frS, memrr:$dst),
653 "stfdx $frS, $dst", LdStUX,
654 [(store F8RC:$frS, xaddr:$dst)]>;
658 //===----------------------------------------------------------------------===//
659 // PPC32 Arithmetic Instructions.
662 let PPC970_Unit = 1 in { // FXU Operations.
663 def ADDI : DForm_2<14, (outs GPRC:$rD), (ins GPRC:$rA, s16imm:$imm),
664 "addi $rD, $rA, $imm", IntGeneral,
665 [(set GPRC:$rD, (add GPRC:$rA, immSExt16:$imm))]>;
666 def ADDIC : DForm_2<12, (outs GPRC:$rD), (ins GPRC:$rA, s16imm:$imm),
667 "addic $rD, $rA, $imm", IntGeneral,
668 [(set GPRC:$rD, (addc GPRC:$rA, immSExt16:$imm))]>,
669 PPC970_DGroup_Cracked;
670 def ADDICo : DForm_2<13, (outs GPRC:$rD), (ins GPRC:$rA, s16imm:$imm),
671 "addic. $rD, $rA, $imm", IntGeneral,
673 def ADDIS : DForm_2<15, (outs GPRC:$rD), (ins GPRC:$rA, symbolHi:$imm),
674 "addis $rD, $rA, $imm", IntGeneral,
675 [(set GPRC:$rD, (add GPRC:$rA, imm16ShiftedSExt:$imm))]>;
676 def LA : DForm_2<14, (outs GPRC:$rD), (ins GPRC:$rA, symbolLo:$sym),
677 "la $rD, $sym($rA)", IntGeneral,
678 [(set GPRC:$rD, (add GPRC:$rA,
679 (PPClo tglobaladdr:$sym, 0)))]>;
680 def MULLI : DForm_2< 7, (outs GPRC:$rD), (ins GPRC:$rA, s16imm:$imm),
681 "mulli $rD, $rA, $imm", IntMulLI,
682 [(set GPRC:$rD, (mul GPRC:$rA, immSExt16:$imm))]>;
683 def SUBFIC : DForm_2< 8, (outs GPRC:$rD), (ins GPRC:$rA, s16imm:$imm),
684 "subfic $rD, $rA, $imm", IntGeneral,
685 [(set GPRC:$rD, (subc immSExt16:$imm, GPRC:$rA))]>;
686 def LI : DForm_2_r0<14, (outs GPRC:$rD), (ins symbolLo:$imm),
687 "li $rD, $imm", IntGeneral,
688 [(set GPRC:$rD, immSExt16:$imm)]>;
689 def LIS : DForm_2_r0<15, (outs GPRC:$rD), (ins symbolHi:$imm),
690 "lis $rD, $imm", IntGeneral,
691 [(set GPRC:$rD, imm16ShiftedSExt:$imm)]>;
694 let PPC970_Unit = 1 in { // FXU Operations.
695 def ANDIo : DForm_4<28, (outs GPRC:$dst), (ins GPRC:$src1, u16imm:$src2),
696 "andi. $dst, $src1, $src2", IntGeneral,
697 [(set GPRC:$dst, (and GPRC:$src1, immZExt16:$src2))]>,
699 def ANDISo : DForm_4<29, (outs GPRC:$dst), (ins GPRC:$src1, u16imm:$src2),
700 "andis. $dst, $src1, $src2", IntGeneral,
701 [(set GPRC:$dst, (and GPRC:$src1,imm16ShiftedZExt:$src2))]>,
703 def ORI : DForm_4<24, (outs GPRC:$dst), (ins GPRC:$src1, u16imm:$src2),
704 "ori $dst, $src1, $src2", IntGeneral,
705 [(set GPRC:$dst, (or GPRC:$src1, immZExt16:$src2))]>;
706 def ORIS : DForm_4<25, (outs GPRC:$dst), (ins GPRC:$src1, u16imm:$src2),
707 "oris $dst, $src1, $src2", IntGeneral,
708 [(set GPRC:$dst, (or GPRC:$src1, imm16ShiftedZExt:$src2))]>;
709 def XORI : DForm_4<26, (outs GPRC:$dst), (ins GPRC:$src1, u16imm:$src2),
710 "xori $dst, $src1, $src2", IntGeneral,
711 [(set GPRC:$dst, (xor GPRC:$src1, immZExt16:$src2))]>;
712 def XORIS : DForm_4<27, (outs GPRC:$dst), (ins GPRC:$src1, u16imm:$src2),
713 "xoris $dst, $src1, $src2", IntGeneral,
714 [(set GPRC:$dst, (xor GPRC:$src1,imm16ShiftedZExt:$src2))]>;
715 def NOP : DForm_4_zero<24, (outs), (ins), "nop", IntGeneral,
717 def CMPWI : DForm_5_ext<11, (outs CRRC:$crD), (ins GPRC:$rA, s16imm:$imm),
718 "cmpwi $crD, $rA, $imm", IntCompare>;
719 def CMPLWI : DForm_6_ext<10, (outs CRRC:$dst), (ins GPRC:$src1, u16imm:$src2),
720 "cmplwi $dst, $src1, $src2", IntCompare>;
724 let PPC970_Unit = 1 in { // FXU Operations.
725 def NAND : XForm_6<31, 476, (outs GPRC:$rA), (ins GPRC:$rS, GPRC:$rB),
726 "nand $rA, $rS, $rB", IntGeneral,
727 [(set GPRC:$rA, (not (and GPRC:$rS, GPRC:$rB)))]>;
728 def AND : XForm_6<31, 28, (outs GPRC:$rA), (ins GPRC:$rS, GPRC:$rB),
729 "and $rA, $rS, $rB", IntGeneral,
730 [(set GPRC:$rA, (and GPRC:$rS, GPRC:$rB))]>;
731 def ANDC : XForm_6<31, 60, (outs GPRC:$rA), (ins GPRC:$rS, GPRC:$rB),
732 "andc $rA, $rS, $rB", IntGeneral,
733 [(set GPRC:$rA, (and GPRC:$rS, (not GPRC:$rB)))]>;
734 def OR : XForm_6<31, 444, (outs GPRC:$rA), (ins GPRC:$rS, GPRC:$rB),
735 "or $rA, $rS, $rB", IntGeneral,
736 [(set GPRC:$rA, (or GPRC:$rS, GPRC:$rB))]>;
737 def NOR : XForm_6<31, 124, (outs GPRC:$rA), (ins GPRC:$rS, GPRC:$rB),
738 "nor $rA, $rS, $rB", IntGeneral,
739 [(set GPRC:$rA, (not (or GPRC:$rS, GPRC:$rB)))]>;
740 def ORC : XForm_6<31, 412, (outs GPRC:$rA), (ins GPRC:$rS, GPRC:$rB),
741 "orc $rA, $rS, $rB", IntGeneral,
742 [(set GPRC:$rA, (or GPRC:$rS, (not GPRC:$rB)))]>;
743 def EQV : XForm_6<31, 284, (outs GPRC:$rA), (ins GPRC:$rS, GPRC:$rB),
744 "eqv $rA, $rS, $rB", IntGeneral,
745 [(set GPRC:$rA, (not (xor GPRC:$rS, GPRC:$rB)))]>;
746 def XOR : XForm_6<31, 316, (outs GPRC:$rA), (ins GPRC:$rS, GPRC:$rB),
747 "xor $rA, $rS, $rB", IntGeneral,
748 [(set GPRC:$rA, (xor GPRC:$rS, GPRC:$rB))]>;
749 def SLW : XForm_6<31, 24, (outs GPRC:$rA), (ins GPRC:$rS, GPRC:$rB),
750 "slw $rA, $rS, $rB", IntGeneral,
751 [(set GPRC:$rA, (PPCshl GPRC:$rS, GPRC:$rB))]>;
752 def SRW : XForm_6<31, 536, (outs GPRC:$rA), (ins GPRC:$rS, GPRC:$rB),
753 "srw $rA, $rS, $rB", IntGeneral,
754 [(set GPRC:$rA, (PPCsrl GPRC:$rS, GPRC:$rB))]>;
755 def SRAW : XForm_6<31, 792, (outs GPRC:$rA), (ins GPRC:$rS, GPRC:$rB),
756 "sraw $rA, $rS, $rB", IntShift,
757 [(set GPRC:$rA, (PPCsra GPRC:$rS, GPRC:$rB))]>;
760 let PPC970_Unit = 1 in { // FXU Operations.
761 def SRAWI : XForm_10<31, 824, (outs GPRC:$rA), (ins GPRC:$rS, u5imm:$SH),
762 "srawi $rA, $rS, $SH", IntShift,
763 [(set GPRC:$rA, (sra GPRC:$rS, (i32 imm:$SH)))]>;
764 def CNTLZW : XForm_11<31, 26, (outs GPRC:$rA), (ins GPRC:$rS),
765 "cntlzw $rA, $rS", IntGeneral,
766 [(set GPRC:$rA, (ctlz GPRC:$rS))]>;
767 def EXTSB : XForm_11<31, 954, (outs GPRC:$rA), (ins GPRC:$rS),
768 "extsb $rA, $rS", IntGeneral,
769 [(set GPRC:$rA, (sext_inreg GPRC:$rS, i8))]>;
770 def EXTSH : XForm_11<31, 922, (outs GPRC:$rA), (ins GPRC:$rS),
771 "extsh $rA, $rS", IntGeneral,
772 [(set GPRC:$rA, (sext_inreg GPRC:$rS, i16))]>;
774 def CMPW : XForm_16_ext<31, 0, (outs CRRC:$crD), (ins GPRC:$rA, GPRC:$rB),
775 "cmpw $crD, $rA, $rB", IntCompare>;
776 def CMPLW : XForm_16_ext<31, 32, (outs CRRC:$crD), (ins GPRC:$rA, GPRC:$rB),
777 "cmplw $crD, $rA, $rB", IntCompare>;
779 let PPC970_Unit = 3 in { // FPU Operations.
780 //def FCMPO : XForm_17<63, 32, (outs CRRC:$crD), (ins FPRC:$fA, FPRC:$fB),
781 // "fcmpo $crD, $fA, $fB", FPCompare>;
782 def FCMPUS : XForm_17<63, 0, (outs CRRC:$crD), (ins F4RC:$fA, F4RC:$fB),
783 "fcmpu $crD, $fA, $fB", FPCompare>;
784 def FCMPUD : XForm_17<63, 0, (outs CRRC:$crD), (ins F8RC:$fA, F8RC:$fB),
785 "fcmpu $crD, $fA, $fB", FPCompare>;
787 def FCTIWZ : XForm_26<63, 15, (outs F8RC:$frD), (ins F8RC:$frB),
788 "fctiwz $frD, $frB", FPGeneral,
789 [(set F8RC:$frD, (PPCfctiwz F8RC:$frB))]>;
790 def FRSP : XForm_26<63, 12, (outs F4RC:$frD), (ins F8RC:$frB),
791 "frsp $frD, $frB", FPGeneral,
792 [(set F4RC:$frD, (fround F8RC:$frB))]>;
793 def FSQRT : XForm_26<63, 22, (outs F8RC:$frD), (ins F8RC:$frB),
794 "fsqrt $frD, $frB", FPSqrt,
795 [(set F8RC:$frD, (fsqrt F8RC:$frB))]>;
796 def FSQRTS : XForm_26<59, 22, (outs F4RC:$frD), (ins F4RC:$frB),
797 "fsqrts $frD, $frB", FPSqrt,
798 [(set F4RC:$frD, (fsqrt F4RC:$frB))]>;
801 /// FMR is split into 3 versions, one for 4/8 byte FP, and one for extending.
803 /// Note that these are defined as pseudo-ops on the PPC970 because they are
804 /// often coalesced away and we don't want the dispatch group builder to think
805 /// that they will fill slots (which could cause the load of a LSU reject to
806 /// sneak into a d-group with a store).
807 def FMRS : XForm_26<63, 72, (outs F4RC:$frD), (ins F4RC:$frB),
808 "fmr $frD, $frB", FPGeneral,
809 []>, // (set F4RC:$frD, F4RC:$frB)
811 def FMRD : XForm_26<63, 72, (outs F8RC:$frD), (ins F8RC:$frB),
812 "fmr $frD, $frB", FPGeneral,
813 []>, // (set F8RC:$frD, F8RC:$frB)
815 def FMRSD : XForm_26<63, 72, (outs F8RC:$frD), (ins F4RC:$frB),
816 "fmr $frD, $frB", FPGeneral,
817 [(set F8RC:$frD, (fextend F4RC:$frB))]>,
820 let PPC970_Unit = 3 in { // FPU Operations.
821 // These are artificially split into two different forms, for 4/8 byte FP.
822 def FABSS : XForm_26<63, 264, (outs F4RC:$frD), (ins F4RC:$frB),
823 "fabs $frD, $frB", FPGeneral,
824 [(set F4RC:$frD, (fabs F4RC:$frB))]>;
825 def FABSD : XForm_26<63, 264, (outs F8RC:$frD), (ins F8RC:$frB),
826 "fabs $frD, $frB", FPGeneral,
827 [(set F8RC:$frD, (fabs F8RC:$frB))]>;
828 def FNABSS : XForm_26<63, 136, (outs F4RC:$frD), (ins F4RC:$frB),
829 "fnabs $frD, $frB", FPGeneral,
830 [(set F4RC:$frD, (fneg (fabs F4RC:$frB)))]>;
831 def FNABSD : XForm_26<63, 136, (outs F8RC:$frD), (ins F8RC:$frB),
832 "fnabs $frD, $frB", FPGeneral,
833 [(set F8RC:$frD, (fneg (fabs F8RC:$frB)))]>;
834 def FNEGS : XForm_26<63, 40, (outs F4RC:$frD), (ins F4RC:$frB),
835 "fneg $frD, $frB", FPGeneral,
836 [(set F4RC:$frD, (fneg F4RC:$frB))]>;
837 def FNEGD : XForm_26<63, 40, (outs F8RC:$frD), (ins F8RC:$frB),
838 "fneg $frD, $frB", FPGeneral,
839 [(set F8RC:$frD, (fneg F8RC:$frB))]>;
843 // XL-Form instructions. condition register logical ops.
845 def MCRF : XLForm_3<19, 0, (outs CRRC:$BF), (ins CRRC:$BFA),
846 "mcrf $BF, $BFA", BrMCR>,
847 PPC970_DGroup_First, PPC970_Unit_CRU;
849 def CREQV : XLForm_1<19, 289, (outs CRRC:$CRD), (ins CRRC:$CRA, CRRC:$CRB),
850 "creqv $CRD, $CRA, $CRB", BrCR,
853 def SETCR : XLForm_1_ext<19, 289, (outs CRRC:$dst), (ins),
854 "creqv $dst, $dst, $dst", BrCR,
857 // XFX-Form instructions. Instructions that deal with SPRs.
859 def MFCTR : XFXForm_1_ext<31, 339, 9, (outs GPRC:$rT), (ins),
860 "mfctr $rT", SprMFSPR>,
861 PPC970_DGroup_First, PPC970_Unit_FXU;
862 let Pattern = [(PPCmtctr GPRC:$rS)] in {
863 def MTCTR : XFXForm_7_ext<31, 467, 9, (outs), (ins GPRC:$rS),
864 "mtctr $rS", SprMTSPR>,
865 PPC970_DGroup_First, PPC970_Unit_FXU;
868 def MTLR : XFXForm_7_ext<31, 467, 8, (outs), (ins GPRC:$rS),
869 "mtlr $rS", SprMTSPR>,
870 PPC970_DGroup_First, PPC970_Unit_FXU;
871 def MFLR : XFXForm_1_ext<31, 339, 8, (outs GPRC:$rT), (ins),
872 "mflr $rT", SprMFSPR>,
873 PPC970_DGroup_First, PPC970_Unit_FXU;
875 // Move to/from VRSAVE: despite being a SPR, the VRSAVE register is renamed like
876 // a GPR on the PPC970. As such, copies in and out have the same performance
877 // characteristics as an OR instruction.
878 def MTVRSAVE : XFXForm_7_ext<31, 467, 256, (outs), (ins GPRC:$rS),
879 "mtspr 256, $rS", IntGeneral>,
880 PPC970_DGroup_Single, PPC970_Unit_FXU;
881 def MFVRSAVE : XFXForm_1_ext<31, 339, 256, (outs GPRC:$rT), (ins),
882 "mfspr $rT, 256", IntGeneral>,
883 PPC970_DGroup_First, PPC970_Unit_FXU;
885 def MTCRF : XFXForm_5<31, 144, (outs), (ins crbitm:$FXM, GPRC:$rS),
886 "mtcrf $FXM, $rS", BrMCRX>,
887 PPC970_MicroCode, PPC970_Unit_CRU;
888 def MFCR : XFXForm_3<31, 19, (outs GPRC:$rT), (ins), "mfcr $rT", SprMFCR>,
889 PPC970_MicroCode, PPC970_Unit_CRU;
890 def MFOCRF: XFXForm_5a<31, 19, (outs GPRC:$rT), (ins crbitm:$FXM),
891 "mfcr $rT, $FXM", SprMFCR>,
892 PPC970_DGroup_First, PPC970_Unit_CRU;
894 // Instructions to manipulate FPSCR. Only long double handling uses these.
895 // FPSCR is not modelled; we use the SDNode Flag to keep things in order.
897 def MFFS : XForm_42<63, 583, (outs F8RC:$rT), (ins),
899 [(set F8RC:$rT, (PPCmffs))]>,
900 PPC970_DGroup_Single, PPC970_Unit_FPU;
901 def MTFSB0 : XForm_43<63, 70, (outs), (ins u5imm:$FM),
902 "mtfsb0 $FM", IntMTFSB0,
903 [(PPCmtfsb0 (i32 imm:$FM))]>,
904 PPC970_DGroup_Single, PPC970_Unit_FPU;
905 def MTFSB1 : XForm_43<63, 38, (outs), (ins u5imm:$FM),
906 "mtfsb1 $FM", IntMTFSB0,
907 [(PPCmtfsb1 (i32 imm:$FM))]>,
908 PPC970_DGroup_Single, PPC970_Unit_FPU;
909 def FADDrtz: AForm_2<63, 21,
910 (outs F8RC:$FRT), (ins F8RC:$FRA, F8RC:$FRB),
911 "fadd $FRT, $FRA, $FRB", FPGeneral,
912 [(set F8RC:$FRT, (PPCfaddrtz F8RC:$FRA, F8RC:$FRB))]>,
913 PPC970_DGroup_Single, PPC970_Unit_FPU;
914 // MTFSF does not actually produce an FP result. We pretend it copies
915 // input reg B to the output. If we didn't do this it would look like the
916 // instruction had no outputs (because we aren't modelling the FPSCR) and
917 // it would be deleted.
918 def MTFSF : XFLForm<63, 711, (outs F8RC:$FRA),
919 (ins i32imm:$FM, F8RC:$rT, F8RC:$FRB),
920 "mtfsf $FM, $rT", "$FRB = $FRA", IntMTFSB0,
921 [(set F8RC:$FRA, (PPCmtfsf (i32 imm:$FM),
922 F8RC:$rT, F8RC:$FRB))]>,
923 PPC970_DGroup_Single, PPC970_Unit_FPU;
925 let PPC970_Unit = 1 in { // FXU Operations.
927 // XO-Form instructions. Arithmetic instructions that can set overflow bit
929 def ADD4 : XOForm_1<31, 266, 0, (outs GPRC:$rT), (ins GPRC:$rA, GPRC:$rB),
930 "add $rT, $rA, $rB", IntGeneral,
931 [(set GPRC:$rT, (add GPRC:$rA, GPRC:$rB))]>;
932 def ADDC : XOForm_1<31, 10, 0, (outs GPRC:$rT), (ins GPRC:$rA, GPRC:$rB),
933 "addc $rT, $rA, $rB", IntGeneral,
934 [(set GPRC:$rT, (addc GPRC:$rA, GPRC:$rB))]>,
935 PPC970_DGroup_Cracked;
936 def ADDE : XOForm_1<31, 138, 0, (outs GPRC:$rT), (ins GPRC:$rA, GPRC:$rB),
937 "adde $rT, $rA, $rB", IntGeneral,
938 [(set GPRC:$rT, (adde GPRC:$rA, GPRC:$rB))]>;
939 def DIVW : XOForm_1<31, 491, 0, (outs GPRC:$rT), (ins GPRC:$rA, GPRC:$rB),
940 "divw $rT, $rA, $rB", IntDivW,
941 [(set GPRC:$rT, (sdiv GPRC:$rA, GPRC:$rB))]>,
942 PPC970_DGroup_First, PPC970_DGroup_Cracked;
943 def DIVWU : XOForm_1<31, 459, 0, (outs GPRC:$rT), (ins GPRC:$rA, GPRC:$rB),
944 "divwu $rT, $rA, $rB", IntDivW,
945 [(set GPRC:$rT, (udiv GPRC:$rA, GPRC:$rB))]>,
946 PPC970_DGroup_First, PPC970_DGroup_Cracked;
947 def MULHW : XOForm_1<31, 75, 0, (outs GPRC:$rT), (ins GPRC:$rA, GPRC:$rB),
948 "mulhw $rT, $rA, $rB", IntMulHW,
949 [(set GPRC:$rT, (mulhs GPRC:$rA, GPRC:$rB))]>;
950 def MULHWU : XOForm_1<31, 11, 0, (outs GPRC:$rT), (ins GPRC:$rA, GPRC:$rB),
951 "mulhwu $rT, $rA, $rB", IntMulHWU,
952 [(set GPRC:$rT, (mulhu GPRC:$rA, GPRC:$rB))]>;
953 def MULLW : XOForm_1<31, 235, 0, (outs GPRC:$rT), (ins GPRC:$rA, GPRC:$rB),
954 "mullw $rT, $rA, $rB", IntMulHW,
955 [(set GPRC:$rT, (mul GPRC:$rA, GPRC:$rB))]>;
956 def SUBF : XOForm_1<31, 40, 0, (outs GPRC:$rT), (ins GPRC:$rA, GPRC:$rB),
957 "subf $rT, $rA, $rB", IntGeneral,
958 [(set GPRC:$rT, (sub GPRC:$rB, GPRC:$rA))]>;
959 def SUBFC : XOForm_1<31, 8, 0, (outs GPRC:$rT), (ins GPRC:$rA, GPRC:$rB),
960 "subfc $rT, $rA, $rB", IntGeneral,
961 [(set GPRC:$rT, (subc GPRC:$rB, GPRC:$rA))]>,
962 PPC970_DGroup_Cracked;
963 def SUBFE : XOForm_1<31, 136, 0, (outs GPRC:$rT), (ins GPRC:$rA, GPRC:$rB),
964 "subfe $rT, $rA, $rB", IntGeneral,
965 [(set GPRC:$rT, (sube GPRC:$rB, GPRC:$rA))]>;
966 def ADDME : XOForm_3<31, 234, 0, (outs GPRC:$rT), (ins GPRC:$rA),
967 "addme $rT, $rA", IntGeneral,
968 [(set GPRC:$rT, (adde GPRC:$rA, immAllOnes))]>;
969 def ADDZE : XOForm_3<31, 202, 0, (outs GPRC:$rT), (ins GPRC:$rA),
970 "addze $rT, $rA", IntGeneral,
971 [(set GPRC:$rT, (adde GPRC:$rA, 0))]>;
972 def NEG : XOForm_3<31, 104, 0, (outs GPRC:$rT), (ins GPRC:$rA),
973 "neg $rT, $rA", IntGeneral,
974 [(set GPRC:$rT, (ineg GPRC:$rA))]>;
975 def SUBFME : XOForm_3<31, 232, 0, (outs GPRC:$rT), (ins GPRC:$rA),
976 "subfme $rT, $rA", IntGeneral,
977 [(set GPRC:$rT, (sube immAllOnes, GPRC:$rA))]>;
978 def SUBFZE : XOForm_3<31, 200, 0, (outs GPRC:$rT), (ins GPRC:$rA),
979 "subfze $rT, $rA", IntGeneral,
980 [(set GPRC:$rT, (sube 0, GPRC:$rA))]>;
983 // A-Form instructions. Most of the instructions executed in the FPU are of
986 let PPC970_Unit = 3 in { // FPU Operations.
987 def FMADD : AForm_1<63, 29,
988 (outs F8RC:$FRT), (ins F8RC:$FRA, F8RC:$FRC, F8RC:$FRB),
989 "fmadd $FRT, $FRA, $FRC, $FRB", FPFused,
990 [(set F8RC:$FRT, (fadd (fmul F8RC:$FRA, F8RC:$FRC),
992 Requires<[FPContractions]>;
993 def FMADDS : AForm_1<59, 29,
994 (outs F4RC:$FRT), (ins F4RC:$FRA, F4RC:$FRC, F4RC:$FRB),
995 "fmadds $FRT, $FRA, $FRC, $FRB", FPGeneral,
996 [(set F4RC:$FRT, (fadd (fmul F4RC:$FRA, F4RC:$FRC),
998 Requires<[FPContractions]>;
999 def FMSUB : AForm_1<63, 28,
1000 (outs F8RC:$FRT), (ins F8RC:$FRA, F8RC:$FRC, F8RC:$FRB),
1001 "fmsub $FRT, $FRA, $FRC, $FRB", FPFused,
1002 [(set F8RC:$FRT, (fsub (fmul F8RC:$FRA, F8RC:$FRC),
1004 Requires<[FPContractions]>;
1005 def FMSUBS : AForm_1<59, 28,
1006 (outs F4RC:$FRT), (ins F4RC:$FRA, F4RC:$FRC, F4RC:$FRB),
1007 "fmsubs $FRT, $FRA, $FRC, $FRB", FPGeneral,
1008 [(set F4RC:$FRT, (fsub (fmul F4RC:$FRA, F4RC:$FRC),
1010 Requires<[FPContractions]>;
1011 def FNMADD : AForm_1<63, 31,
1012 (outs F8RC:$FRT), (ins F8RC:$FRA, F8RC:$FRC, F8RC:$FRB),
1013 "fnmadd $FRT, $FRA, $FRC, $FRB", FPFused,
1014 [(set F8RC:$FRT, (fneg (fadd (fmul F8RC:$FRA, F8RC:$FRC),
1016 Requires<[FPContractions]>;
1017 def FNMADDS : AForm_1<59, 31,
1018 (outs F4RC:$FRT), (ins F4RC:$FRA, F4RC:$FRC, F4RC:$FRB),
1019 "fnmadds $FRT, $FRA, $FRC, $FRB", FPGeneral,
1020 [(set F4RC:$FRT, (fneg (fadd (fmul F4RC:$FRA, F4RC:$FRC),
1022 Requires<[FPContractions]>;
1023 def FNMSUB : AForm_1<63, 30,
1024 (outs F8RC:$FRT), (ins F8RC:$FRA, F8RC:$FRC, F8RC:$FRB),
1025 "fnmsub $FRT, $FRA, $FRC, $FRB", FPFused,
1026 [(set F8RC:$FRT, (fneg (fsub (fmul F8RC:$FRA, F8RC:$FRC),
1028 Requires<[FPContractions]>;
1029 def FNMSUBS : AForm_1<59, 30,
1030 (outs F4RC:$FRT), (ins F4RC:$FRA, F4RC:$FRC, F4RC:$FRB),
1031 "fnmsubs $FRT, $FRA, $FRC, $FRB", FPGeneral,
1032 [(set F4RC:$FRT, (fneg (fsub (fmul F4RC:$FRA, F4RC:$FRC),
1034 Requires<[FPContractions]>;
1035 // FSEL is artificially split into 4 and 8-byte forms for the result. To avoid
1036 // having 4 of these, force the comparison to always be an 8-byte double (code
1037 // should use an FMRSD if the input comparison value really wants to be a float)
1038 // and 4/8 byte forms for the result and operand type..
1039 def FSELD : AForm_1<63, 23,
1040 (outs F8RC:$FRT), (ins F8RC:$FRA, F8RC:$FRC, F8RC:$FRB),
1041 "fsel $FRT, $FRA, $FRC, $FRB", FPGeneral,
1042 [(set F8RC:$FRT, (PPCfsel F8RC:$FRA,F8RC:$FRC,F8RC:$FRB))]>;
1043 def FSELS : AForm_1<63, 23,
1044 (outs F4RC:$FRT), (ins F8RC:$FRA, F4RC:$FRC, F4RC:$FRB),
1045 "fsel $FRT, $FRA, $FRC, $FRB", FPGeneral,
1046 [(set F4RC:$FRT, (PPCfsel F8RC:$FRA,F4RC:$FRC,F4RC:$FRB))]>;
1047 def FADD : AForm_2<63, 21,
1048 (outs F8RC:$FRT), (ins F8RC:$FRA, F8RC:$FRB),
1049 "fadd $FRT, $FRA, $FRB", FPGeneral,
1050 [(set F8RC:$FRT, (fadd F8RC:$FRA, F8RC:$FRB))]>;
1051 def FADDS : AForm_2<59, 21,
1052 (outs F4RC:$FRT), (ins F4RC:$FRA, F4RC:$FRB),
1053 "fadds $FRT, $FRA, $FRB", FPGeneral,
1054 [(set F4RC:$FRT, (fadd F4RC:$FRA, F4RC:$FRB))]>;
1055 def FDIV : AForm_2<63, 18,
1056 (outs F8RC:$FRT), (ins F8RC:$FRA, F8RC:$FRB),
1057 "fdiv $FRT, $FRA, $FRB", FPDivD,
1058 [(set F8RC:$FRT, (fdiv F8RC:$FRA, F8RC:$FRB))]>;
1059 def FDIVS : AForm_2<59, 18,
1060 (outs F4RC:$FRT), (ins F4RC:$FRA, F4RC:$FRB),
1061 "fdivs $FRT, $FRA, $FRB", FPDivS,
1062 [(set F4RC:$FRT, (fdiv F4RC:$FRA, F4RC:$FRB))]>;
1063 def FMUL : AForm_3<63, 25,
1064 (outs F8RC:$FRT), (ins F8RC:$FRA, F8RC:$FRB),
1065 "fmul $FRT, $FRA, $FRB", FPFused,
1066 [(set F8RC:$FRT, (fmul F8RC:$FRA, F8RC:$FRB))]>;
1067 def FMULS : AForm_3<59, 25,
1068 (outs F4RC:$FRT), (ins F4RC:$FRA, F4RC:$FRB),
1069 "fmuls $FRT, $FRA, $FRB", FPGeneral,
1070 [(set F4RC:$FRT, (fmul F4RC:$FRA, F4RC:$FRB))]>;
1071 def FSUB : AForm_2<63, 20,
1072 (outs F8RC:$FRT), (ins F8RC:$FRA, F8RC:$FRB),
1073 "fsub $FRT, $FRA, $FRB", FPGeneral,
1074 [(set F8RC:$FRT, (fsub F8RC:$FRA, F8RC:$FRB))]>;
1075 def FSUBS : AForm_2<59, 20,
1076 (outs F4RC:$FRT), (ins F4RC:$FRA, F4RC:$FRB),
1077 "fsubs $FRT, $FRA, $FRB", FPGeneral,
1078 [(set F4RC:$FRT, (fsub F4RC:$FRA, F4RC:$FRB))]>;
1081 let PPC970_Unit = 1 in { // FXU Operations.
1082 // M-Form instructions. rotate and mask instructions.
1084 let isCommutable = 1 in {
1085 // RLWIMI can be commuted if the rotate amount is zero.
1086 def RLWIMI : MForm_2<20,
1087 (outs GPRC:$rA), (ins GPRC:$rSi, GPRC:$rS, u5imm:$SH, u5imm:$MB,
1088 u5imm:$ME), "rlwimi $rA, $rS, $SH, $MB, $ME", IntRotate,
1089 []>, PPC970_DGroup_Cracked, RegConstraint<"$rSi = $rA">,
1092 def RLWINM : MForm_2<21,
1093 (outs GPRC:$rA), (ins GPRC:$rS, u5imm:$SH, u5imm:$MB, u5imm:$ME),
1094 "rlwinm $rA, $rS, $SH, $MB, $ME", IntGeneral,
1096 def RLWINMo : MForm_2<21,
1097 (outs GPRC:$rA), (ins GPRC:$rS, u5imm:$SH, u5imm:$MB, u5imm:$ME),
1098 "rlwinm. $rA, $rS, $SH, $MB, $ME", IntGeneral,
1099 []>, isDOT, PPC970_DGroup_Cracked;
1100 def RLWNM : MForm_2<23,
1101 (outs GPRC:$rA), (ins GPRC:$rS, GPRC:$rB, u5imm:$MB, u5imm:$ME),
1102 "rlwnm $rA, $rS, $rB, $MB, $ME", IntGeneral,
1107 //===----------------------------------------------------------------------===//
1108 // DWARF Pseudo Instructions
1111 def DWARF_LOC : Pseudo<(outs), (ins i32imm:$line, i32imm:$col, i32imm:$file),
1112 "${:comment} .loc $file, $line, $col",
1113 [(dwarf_loc (i32 imm:$line), (i32 imm:$col),
1116 //===----------------------------------------------------------------------===//
1117 // PowerPC Instruction Patterns
1120 // Arbitrary immediate support. Implement in terms of LIS/ORI.
1121 def : Pat<(i32 imm:$imm),
1122 (ORI (LIS (HI16 imm:$imm)), (LO16 imm:$imm))>;
1124 // Implement the 'not' operation with the NOR instruction.
1125 def NOT : Pat<(not GPRC:$in),
1126 (NOR GPRC:$in, GPRC:$in)>;
1128 // ADD an arbitrary immediate.
1129 def : Pat<(add GPRC:$in, imm:$imm),
1130 (ADDIS (ADDI GPRC:$in, (LO16 imm:$imm)), (HA16 imm:$imm))>;
1131 // OR an arbitrary immediate.
1132 def : Pat<(or GPRC:$in, imm:$imm),
1133 (ORIS (ORI GPRC:$in, (LO16 imm:$imm)), (HI16 imm:$imm))>;
1134 // XOR an arbitrary immediate.
1135 def : Pat<(xor GPRC:$in, imm:$imm),
1136 (XORIS (XORI GPRC:$in, (LO16 imm:$imm)), (HI16 imm:$imm))>;
1138 def : Pat<(sub immSExt16:$imm, GPRC:$in),
1139 (SUBFIC GPRC:$in, imm:$imm)>;
1142 def : Pat<(shl GPRC:$in, (i32 imm:$imm)),
1143 (RLWINM GPRC:$in, imm:$imm, 0, (SHL32 imm:$imm))>;
1144 def : Pat<(srl GPRC:$in, (i32 imm:$imm)),
1145 (RLWINM GPRC:$in, (SRL32 imm:$imm), imm:$imm, 31)>;
1148 def : Pat<(rotl GPRC:$in, GPRC:$sh),
1149 (RLWNM GPRC:$in, GPRC:$sh, 0, 31)>;
1150 def : Pat<(rotl GPRC:$in, (i32 imm:$imm)),
1151 (RLWINM GPRC:$in, imm:$imm, 0, 31)>;
1154 def : Pat<(and (rotl GPRC:$in, GPRC:$sh), maskimm32:$imm),
1155 (RLWNM GPRC:$in, GPRC:$sh, (MB maskimm32:$imm), (ME maskimm32:$imm))>;
1158 def : Pat<(PPCcall_Macho (i32 tglobaladdr:$dst)),
1159 (BL_Macho tglobaladdr:$dst)>;
1160 def : Pat<(PPCcall_Macho (i32 texternalsym:$dst)),
1161 (BL_Macho texternalsym:$dst)>;
1162 def : Pat<(PPCcall_ELF (i32 tglobaladdr:$dst)),
1163 (BL_ELF tglobaladdr:$dst)>;
1164 def : Pat<(PPCcall_ELF (i32 texternalsym:$dst)),
1165 (BL_ELF texternalsym:$dst)>;
1167 // Hi and Lo for Darwin Global Addresses.
1168 def : Pat<(PPChi tglobaladdr:$in, 0), (LIS tglobaladdr:$in)>;
1169 def : Pat<(PPClo tglobaladdr:$in, 0), (LI tglobaladdr:$in)>;
1170 def : Pat<(PPChi tconstpool:$in, 0), (LIS tconstpool:$in)>;
1171 def : Pat<(PPClo tconstpool:$in, 0), (LI tconstpool:$in)>;
1172 def : Pat<(PPChi tjumptable:$in, 0), (LIS tjumptable:$in)>;
1173 def : Pat<(PPClo tjumptable:$in, 0), (LI tjumptable:$in)>;
1174 def : Pat<(add GPRC:$in, (PPChi tglobaladdr:$g, 0)),
1175 (ADDIS GPRC:$in, tglobaladdr:$g)>;
1176 def : Pat<(add GPRC:$in, (PPChi tconstpool:$g, 0)),
1177 (ADDIS GPRC:$in, tconstpool:$g)>;
1178 def : Pat<(add GPRC:$in, (PPChi tjumptable:$g, 0)),
1179 (ADDIS GPRC:$in, tjumptable:$g)>;
1181 // Fused negative multiply subtract, alternate pattern
1182 def : Pat<(fsub F8RC:$B, (fmul F8RC:$A, F8RC:$C)),
1183 (FNMSUB F8RC:$A, F8RC:$C, F8RC:$B)>,
1184 Requires<[FPContractions]>;
1185 def : Pat<(fsub F4RC:$B, (fmul F4RC:$A, F4RC:$C)),
1186 (FNMSUBS F4RC:$A, F4RC:$C, F4RC:$B)>,
1187 Requires<[FPContractions]>;
1189 // Standard shifts. These are represented separately from the real shifts above
1190 // so that we can distinguish between shifts that allow 5-bit and 6-bit shift
1192 def : Pat<(sra GPRC:$rS, GPRC:$rB),
1193 (SRAW GPRC:$rS, GPRC:$rB)>;
1194 def : Pat<(srl GPRC:$rS, GPRC:$rB),
1195 (SRW GPRC:$rS, GPRC:$rB)>;
1196 def : Pat<(shl GPRC:$rS, GPRC:$rB),
1197 (SLW GPRC:$rS, GPRC:$rB)>;
1199 def : Pat<(zextloadi1 iaddr:$src),
1201 def : Pat<(zextloadi1 xaddr:$src),
1203 def : Pat<(extloadi1 iaddr:$src),
1205 def : Pat<(extloadi1 xaddr:$src),
1207 def : Pat<(extloadi8 iaddr:$src),
1209 def : Pat<(extloadi8 xaddr:$src),
1211 def : Pat<(extloadi16 iaddr:$src),
1213 def : Pat<(extloadi16 xaddr:$src),
1215 def : Pat<(extloadf32 iaddr:$src),
1216 (FMRSD (LFS iaddr:$src))>;
1217 def : Pat<(extloadf32 xaddr:$src),
1218 (FMRSD (LFSX xaddr:$src))>;
1220 include "PPCInstrAltivec.td"
1221 include "PPCInstr64Bit.td"