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 def PPCfsel : SDNode<"PPCISD::FSEL",
57 // Type constraint for fsel.
58 SDTypeProfile<1, 3, [SDTCisSameAs<0, 2>, SDTCisSameAs<0, 3>,
59 SDTCisFP<0>, SDTCisVT<1, f64>]>, []>;
61 def PPChi : SDNode<"PPCISD::Hi", SDTIntBinOp, []>;
62 def PPClo : SDNode<"PPCISD::Lo", SDTIntBinOp, []>;
63 def PPCvmaddfp : SDNode<"PPCISD::VMADDFP", SDTFPTernaryOp, []>;
64 def PPCvnmsubfp : SDNode<"PPCISD::VNMSUBFP", SDTFPTernaryOp, []>;
66 def PPCvperm : SDNode<"PPCISD::VPERM", SDT_PPCvperm, []>;
68 // These nodes represent the 32-bit PPC shifts that operate on 6-bit shift
69 // amounts. These nodes are generated by the multi-precision shift code.
70 def PPCsrl : SDNode<"PPCISD::SRL" , SDT_PPCShiftOp>;
71 def PPCsra : SDNode<"PPCISD::SRA" , SDT_PPCShiftOp>;
72 def PPCshl : SDNode<"PPCISD::SHL" , SDT_PPCShiftOp>;
74 def PPCextsw_32 : SDNode<"PPCISD::EXTSW_32" , SDTIntUnaryOp>;
75 def PPCstd_32 : SDNode<"PPCISD::STD_32" , SDTStore, [SDNPHasChain]>;
77 // These are target-independent nodes, but have target-specific formats.
78 def callseq_start : SDNode<"ISD::CALLSEQ_START", SDT_PPCCallSeq,
79 [SDNPHasChain, SDNPOutFlag]>;
80 def callseq_end : SDNode<"ISD::CALLSEQ_END", SDT_PPCCallSeq,
81 [SDNPHasChain, SDNPOutFlag]>;
83 def SDT_PPCCall : SDTypeProfile<0, -1, [SDTCisInt<0>]>;
84 def PPCcall_Macho : SDNode<"PPCISD::CALL_Macho", SDT_PPCCall,
85 [SDNPHasChain, SDNPOptInFlag, SDNPOutFlag]>;
86 def PPCcall_ELF : SDNode<"PPCISD::CALL_ELF", SDT_PPCCall,
87 [SDNPHasChain, SDNPOptInFlag, SDNPOutFlag]>;
88 def PPCmtctr : SDNode<"PPCISD::MTCTR", SDT_PPCCall,
89 [SDNPHasChain, SDNPOptInFlag, SDNPOutFlag]>;
90 def PPCbctrl_Macho : SDNode<"PPCISD::BCTRL_Macho", SDTRet,
91 [SDNPHasChain, SDNPOptInFlag, SDNPOutFlag]>;
93 def PPCbctrl_ELF : SDNode<"PPCISD::BCTRL_ELF", SDTRet,
94 [SDNPHasChain, SDNPOptInFlag, SDNPOutFlag]>;
96 def retflag : SDNode<"PPCISD::RET_FLAG", SDTRet,
97 [SDNPHasChain, SDNPOptInFlag]>;
99 def PPCvcmp : SDNode<"PPCISD::VCMP" , SDT_PPCvcmp, []>;
100 def PPCvcmp_o : SDNode<"PPCISD::VCMPo", SDT_PPCvcmp, [SDNPOutFlag]>;
102 def PPCcondbranch : SDNode<"PPCISD::COND_BRANCH", SDT_PPCcondbr,
103 [SDNPHasChain, SDNPOptInFlag]>;
105 def PPClbrx : SDNode<"PPCISD::LBRX", SDT_PPClbrx, [SDNPHasChain]>;
106 def PPCstbrx : SDNode<"PPCISD::STBRX", SDT_PPCstbrx, [SDNPHasChain]>;
108 // Instructions to support dynamic alloca.
109 def SDTDynOp : SDTypeProfile<1, 2, []>;
110 def PPCdynalloc : SDNode<"PPCISD::DYNALLOC", SDTDynOp, [SDNPHasChain]>;
112 //===----------------------------------------------------------------------===//
113 // PowerPC specific transformation functions and pattern fragments.
116 def SHL32 : SDNodeXForm<imm, [{
117 // Transformation function: 31 - imm
118 return getI32Imm(31 - N->getValue());
121 def SRL32 : SDNodeXForm<imm, [{
122 // Transformation function: 32 - imm
123 return N->getValue() ? getI32Imm(32 - N->getValue()) : getI32Imm(0);
126 def LO16 : SDNodeXForm<imm, [{
127 // Transformation function: get the low 16 bits.
128 return getI32Imm((unsigned short)N->getValue());
131 def HI16 : SDNodeXForm<imm, [{
132 // Transformation function: shift the immediate value down into the low bits.
133 return getI32Imm((unsigned)N->getValue() >> 16);
136 def HA16 : SDNodeXForm<imm, [{
137 // Transformation function: shift the immediate value down into the low bits.
138 signed int Val = N->getValue();
139 return getI32Imm((Val - (signed short)Val) >> 16);
141 def MB : SDNodeXForm<imm, [{
142 // Transformation function: get the start bit of a mask
144 (void)isRunOfOnes((unsigned)N->getValue(), mb, me);
145 return getI32Imm(mb);
148 def ME : SDNodeXForm<imm, [{
149 // Transformation function: get the end bit of a mask
151 (void)isRunOfOnes((unsigned)N->getValue(), mb, me);
152 return getI32Imm(me);
154 def maskimm32 : PatLeaf<(imm), [{
155 // maskImm predicate - True if immediate is a run of ones.
157 if (N->getValueType(0) == MVT::i32)
158 return isRunOfOnes((unsigned)N->getValue(), mb, me);
163 def immSExt16 : PatLeaf<(imm), [{
164 // immSExt16 predicate - True if the immediate fits in a 16-bit sign extended
165 // field. Used by instructions like 'addi'.
166 if (N->getValueType(0) == MVT::i32)
167 return (int32_t)N->getValue() == (short)N->getValue();
169 return (int64_t)N->getValue() == (short)N->getValue();
171 def immZExt16 : PatLeaf<(imm), [{
172 // immZExt16 predicate - True if the immediate fits in a 16-bit zero extended
173 // field. Used by instructions like 'ori'.
174 return (uint64_t)N->getValue() == (unsigned short)N->getValue();
177 // imm16Shifted* - These match immediates where the low 16-bits are zero. There
178 // are two forms: imm16ShiftedSExt and imm16ShiftedZExt. These two forms are
179 // identical in 32-bit mode, but in 64-bit mode, they return true if the
180 // immediate fits into a sign/zero extended 32-bit immediate (with the low bits
182 def imm16ShiftedZExt : PatLeaf<(imm), [{
183 // imm16ShiftedZExt predicate - True if only bits in the top 16-bits of the
184 // immediate are set. Used by instructions like 'xoris'.
185 return (N->getValue() & ~uint64_t(0xFFFF0000)) == 0;
188 def imm16ShiftedSExt : PatLeaf<(imm), [{
189 // imm16ShiftedSExt predicate - True if only bits in the top 16-bits of the
190 // immediate are set. Used by instructions like 'addis'. Identical to
191 // imm16ShiftedZExt in 32-bit mode.
192 if (N->getValue() & 0xFFFF) return false;
193 if (N->getValueType(0) == MVT::i32)
195 // For 64-bit, make sure it is sext right.
196 return N->getValue() == (uint64_t)(int)N->getValue();
200 //===----------------------------------------------------------------------===//
201 // PowerPC Flag Definitions.
203 class isPPC64 { bit PPC64 = 1; }
205 list<Register> Defs = [CR0];
209 class RegConstraint<string C> {
210 string Constraints = C;
212 class NoEncode<string E> {
213 string DisableEncoding = E;
217 //===----------------------------------------------------------------------===//
218 // PowerPC Operand Definitions.
220 def s5imm : Operand<i32> {
221 let PrintMethod = "printS5ImmOperand";
223 def u5imm : Operand<i32> {
224 let PrintMethod = "printU5ImmOperand";
226 def u6imm : Operand<i32> {
227 let PrintMethod = "printU6ImmOperand";
229 def s16imm : Operand<i32> {
230 let PrintMethod = "printS16ImmOperand";
232 def u16imm : Operand<i32> {
233 let PrintMethod = "printU16ImmOperand";
235 def s16immX4 : Operand<i32> { // Multiply imm by 4 before printing.
236 let PrintMethod = "printS16X4ImmOperand";
238 def target : Operand<OtherVT> {
239 let PrintMethod = "printBranchOperand";
241 def calltarget : Operand<iPTR> {
242 let PrintMethod = "printCallOperand";
244 def aaddr : Operand<iPTR> {
245 let PrintMethod = "printAbsAddrOperand";
247 def piclabel: Operand<iPTR> {
248 let PrintMethod = "printPICLabel";
250 def symbolHi: Operand<i32> {
251 let PrintMethod = "printSymbolHi";
253 def symbolLo: Operand<i32> {
254 let PrintMethod = "printSymbolLo";
256 def crbitm: Operand<i8> {
257 let PrintMethod = "printcrbitm";
260 def memri : Operand<iPTR> {
261 let PrintMethod = "printMemRegImm";
262 let MIOperandInfo = (ops i32imm:$imm, ptr_rc:$reg);
264 def memrr : Operand<iPTR> {
265 let PrintMethod = "printMemRegReg";
266 let MIOperandInfo = (ops ptr_rc, ptr_rc);
268 def memrix : Operand<iPTR> { // memri where the imm is shifted 2 bits.
269 let PrintMethod = "printMemRegImmShifted";
270 let MIOperandInfo = (ops i32imm:$imm, ptr_rc:$reg);
273 // PowerPC Predicate operand. 20 = (0<<5)|20 = always, CR0 is a dummy reg
274 // that doesn't matter.
275 def pred : PredicateOperand<OtherVT, (ops imm, CRRC),
276 (ops (i32 20), CR0)> {
277 let PrintMethod = "printPredicateOperand";
280 // Define PowerPC specific addressing mode.
281 def iaddr : ComplexPattern<iPTR, 2, "SelectAddrImm", [], []>;
282 def xaddr : ComplexPattern<iPTR, 2, "SelectAddrIdx", [], []>;
283 def xoaddr : ComplexPattern<iPTR, 2, "SelectAddrIdxOnly",[], []>;
284 def ixaddr : ComplexPattern<iPTR, 2, "SelectAddrImmShift", [], []>; // "std"
286 /// This is just the offset part of iaddr, used for preinc.
287 def iaddroff : ComplexPattern<iPTR, 1, "SelectAddrImmOffs", [], []>;
289 //===----------------------------------------------------------------------===//
290 // PowerPC Instruction Predicate Definitions.
291 def FPContractions : Predicate<"!NoExcessFPPrecision">;
294 //===----------------------------------------------------------------------===//
295 // PowerPC Instruction Definitions.
297 // Pseudo-instructions:
299 let hasCtrlDep = 1 in {
300 let Defs = [R1], Uses = [R1] in {
301 def ADJCALLSTACKDOWN : Pseudo<(outs), (ins u16imm:$amt),
302 "${:comment} ADJCALLSTACKDOWN",
303 [(callseq_start imm:$amt)]>;
304 def ADJCALLSTACKUP : Pseudo<(outs), (ins u16imm:$amt),
305 "${:comment} ADJCALLSTACKUP",
306 [(callseq_end imm:$amt)]>;
309 def UPDATE_VRSAVE : Pseudo<(outs GPRC:$rD), (ins GPRC:$rS),
310 "UPDATE_VRSAVE $rD, $rS", []>;
313 let Defs = [R1], Uses = [R1] in
314 def DYNALLOC : Pseudo<(outs GPRC:$result), (ins GPRC:$negsize, memri:$fpsi),
315 "${:comment} DYNALLOC $result, $negsize, $fpsi",
317 (PPCdynalloc GPRC:$negsize, iaddr:$fpsi))]>;
319 def IMPLICIT_DEF_GPRC: Pseudo<(outs GPRC:$rD), (ins),
320 "${:comment}IMPLICIT_DEF_GPRC $rD",
321 [(set GPRC:$rD, (undef))]>;
322 def IMPLICIT_DEF_F8 : Pseudo<(outs F8RC:$rD), (ins),
323 "${:comment} IMPLICIT_DEF_F8 $rD",
324 [(set F8RC:$rD, (undef))]>;
325 def IMPLICIT_DEF_F4 : Pseudo<(outs F4RC:$rD), (ins),
326 "${:comment} IMPLICIT_DEF_F4 $rD",
327 [(set F4RC:$rD, (undef))]>;
329 // SELECT_CC_* - Used to implement the SELECT_CC DAG operation. Expanded by the
330 // scheduler into a branch sequence.
331 let usesCustomDAGSchedInserter = 1, // Expanded by the scheduler.
332 PPC970_Single = 1 in {
333 def SELECT_CC_I4 : Pseudo<(outs GPRC:$dst), (ins CRRC:$cond, GPRC:$T, GPRC:$F,
334 i32imm:$BROPC), "${:comment} SELECT_CC PSEUDO!",
336 def SELECT_CC_I8 : Pseudo<(outs G8RC:$dst), (ins CRRC:$cond, G8RC:$T, G8RC:$F,
337 i32imm:$BROPC), "${:comment} SELECT_CC PSEUDO!",
339 def SELECT_CC_F4 : Pseudo<(outs F4RC:$dst), (ins CRRC:$cond, F4RC:$T, F4RC:$F,
340 i32imm:$BROPC), "${:comment} SELECT_CC PSEUDO!",
342 def SELECT_CC_F8 : Pseudo<(outs F8RC:$dst), (ins CRRC:$cond, F8RC:$T, F8RC:$F,
343 i32imm:$BROPC), "${:comment} SELECT_CC PSEUDO!",
345 def SELECT_CC_VRRC: Pseudo<(outs VRRC:$dst), (ins CRRC:$cond, VRRC:$T, VRRC:$F,
346 i32imm:$BROPC), "${:comment} SELECT_CC PSEUDO!",
350 let isTerminator = 1, isBarrier = 1, PPC970_Unit = 7 in {
352 def BLR : XLForm_2_br<19, 16, 0, (outs), (ins pred:$p),
353 "b${p:cc}lr ${p:reg}", BrB,
355 def BCTR : XLForm_2_ext<19, 528, 20, 0, 0, (outs), (ins), "bctr", BrB, []>;
361 def MovePCtoLR : Pseudo<(outs), (ins piclabel:$label), "bl $label", []>,
364 let isBranch = 1, isTerminator = 1, hasCtrlDep = 1, PPC970_Unit = 7 in {
365 let isBarrier = 1 in {
366 def B : IForm<18, 0, 0, (outs), (ins target:$dst),
371 // BCC represents an arbitrary conditional branch on a predicate.
372 // FIXME: should be able to write a pattern for PPCcondbranch, but can't use
373 // a two-value operand where a dag node expects two operands. :(
374 def BCC : BForm<16, 0, 0, (outs), (ins pred:$cond, target:$dst),
375 "b${cond:cc} ${cond:reg}, $dst"
376 /*[(PPCcondbranch CRRC:$crS, imm:$opc, bb:$dst)]*/>;
380 let isCall = 1, PPC970_Unit = 7,
381 // All calls clobber the non-callee saved registers...
382 Defs = [R0,R2,R3,R4,R5,R6,R7,R8,R9,R10,R11,R12,
383 F0,F1,F2,F3,F4,F5,F6,F7,F8,F9,F10,F11,F12,F13,
384 V0,V1,V2,V3,V4,V5,V6,V7,V8,V9,V10,V11,V12,V13,V14,V15,V16,V17,V18,V19,
386 CR0,CR1,CR5,CR6,CR7] in {
387 // Convenient aliases for call instructions
388 def BL_Macho : IForm<18, 0, 1,
389 (outs), (ins calltarget:$func, variable_ops),
390 "bl $func", BrB, []>; // See Pat patterns below.
391 def BLA_Macho : IForm<18, 1, 1,
392 (outs), (ins aaddr:$func, variable_ops),
393 "bla $func", BrB, [(PPCcall_Macho (i32 imm:$func))]>;
394 def BCTRL_Macho : XLForm_2_ext<19, 528, 20, 0, 1,
395 (outs), (ins variable_ops),
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,
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_ELF : IForm<18, 0, 1,
410 (outs), (ins calltarget:$func, variable_ops),
411 "bl $func", BrB, []>; // See Pat patterns below.
412 def BLA_ELF : IForm<18, 1, 1,
413 (outs), (ins aaddr:$func, variable_ops),
415 [(PPCcall_ELF (i32 imm:$func))]>;
416 def BCTRL_ELF : XLForm_2_ext<19, 528, 20, 0, 1,
417 (outs), (ins variable_ops),
422 // DCB* instructions.
423 def DCBA : DCB_Form<758, 0, (outs), (ins memrr:$dst),
424 "dcba $dst", LdStDCBF, [(int_ppc_dcba xoaddr:$dst)]>,
425 PPC970_DGroup_Single;
426 def DCBF : DCB_Form<86, 0, (outs), (ins memrr:$dst),
427 "dcbf $dst", LdStDCBF, [(int_ppc_dcbf xoaddr:$dst)]>,
428 PPC970_DGroup_Single;
429 def DCBI : DCB_Form<470, 0, (outs), (ins memrr:$dst),
430 "dcbi $dst", LdStDCBF, [(int_ppc_dcbi xoaddr:$dst)]>,
431 PPC970_DGroup_Single;
432 def DCBST : DCB_Form<54, 0, (outs), (ins memrr:$dst),
433 "dcbst $dst", LdStDCBF, [(int_ppc_dcbst xoaddr:$dst)]>,
434 PPC970_DGroup_Single;
435 def DCBT : DCB_Form<278, 0, (outs), (ins memrr:$dst),
436 "dcbt $dst", LdStDCBF, [(int_ppc_dcbt xoaddr:$dst)]>,
437 PPC970_DGroup_Single;
438 def DCBTST : DCB_Form<246, 0, (outs), (ins memrr:$dst),
439 "dcbtst $dst", LdStDCBF, [(int_ppc_dcbtst xoaddr:$dst)]>,
440 PPC970_DGroup_Single;
441 def DCBZ : DCB_Form<1014, 0, (outs), (ins memrr:$dst),
442 "dcbz $dst", LdStDCBF, [(int_ppc_dcbz xoaddr:$dst)]>,
443 PPC970_DGroup_Single;
444 def DCBZL : DCB_Form<1014, 1, (outs), (ins memrr:$dst),
445 "dcbzl $dst", LdStDCBF, [(int_ppc_dcbzl xoaddr:$dst)]>,
446 PPC970_DGroup_Single;
448 //===----------------------------------------------------------------------===//
449 // PPC32 Load Instructions.
452 // Unindexed (r+i) Loads.
453 let isLoad = 1, PPC970_Unit = 2 in {
454 def LBZ : DForm_1<34, (outs GPRC:$rD), (ins memri:$src),
455 "lbz $rD, $src", LdStGeneral,
456 [(set GPRC:$rD, (zextloadi8 iaddr:$src))]>;
457 def LHA : DForm_1<42, (outs GPRC:$rD), (ins memri:$src),
458 "lha $rD, $src", LdStLHA,
459 [(set GPRC:$rD, (sextloadi16 iaddr:$src))]>,
460 PPC970_DGroup_Cracked;
461 def LHZ : DForm_1<40, (outs GPRC:$rD), (ins memri:$src),
462 "lhz $rD, $src", LdStGeneral,
463 [(set GPRC:$rD, (zextloadi16 iaddr:$src))]>;
464 def LWZ : DForm_1<32, (outs GPRC:$rD), (ins memri:$src),
465 "lwz $rD, $src", LdStGeneral,
466 [(set GPRC:$rD, (load iaddr:$src))]>;
468 def LFS : DForm_1<48, (outs F4RC:$rD), (ins memri:$src),
469 "lfs $rD, $src", LdStLFDU,
470 [(set F4RC:$rD, (load iaddr:$src))]>;
471 def LFD : DForm_1<50, (outs F8RC:$rD), (ins memri:$src),
472 "lfd $rD, $src", LdStLFD,
473 [(set F8RC:$rD, (load iaddr:$src))]>;
476 // Unindexed (r+i) Loads with Update (preinc).
477 def LBZU : DForm_1<35, (outs GPRC:$rD, ptr_rc:$ea_result), (ins memri:$addr),
478 "lbzu $rD, $addr", LdStGeneral,
479 []>, RegConstraint<"$addr.reg = $ea_result">,
480 NoEncode<"$ea_result">;
482 def LHAU : DForm_1<43, (outs GPRC:$rD, ptr_rc:$ea_result), (ins memri:$addr),
483 "lhau $rD, $addr", LdStGeneral,
484 []>, RegConstraint<"$addr.reg = $ea_result">,
485 NoEncode<"$ea_result">;
487 def LHZU : DForm_1<41, (outs GPRC:$rD, ptr_rc:$ea_result), (ins memri:$addr),
488 "lhzu $rD, $addr", LdStGeneral,
489 []>, RegConstraint<"$addr.reg = $ea_result">,
490 NoEncode<"$ea_result">;
492 def LWZU : DForm_1<33, (outs GPRC:$rD, ptr_rc:$ea_result), (ins memri:$addr),
493 "lwzu $rD, $addr", LdStGeneral,
494 []>, RegConstraint<"$addr.reg = $ea_result">,
495 NoEncode<"$ea_result">;
497 def LFSU : DForm_1<49, (outs F4RC:$rD, ptr_rc:$ea_result), (ins memri:$addr),
498 "lfs $rD, $addr", LdStLFDU,
499 []>, RegConstraint<"$addr.reg = $ea_result">,
500 NoEncode<"$ea_result">;
502 def LFDU : DForm_1<51, (outs F8RC:$rD, ptr_rc:$ea_result), (ins memri:$addr),
503 "lfd $rD, $addr", LdStLFD,
504 []>, RegConstraint<"$addr.reg = $ea_result">,
505 NoEncode<"$ea_result">;
508 // Indexed (r+r) Loads.
510 let isLoad = 1, PPC970_Unit = 2 in {
511 def LBZX : XForm_1<31, 87, (outs GPRC:$rD), (ins memrr:$src),
512 "lbzx $rD, $src", LdStGeneral,
513 [(set GPRC:$rD, (zextloadi8 xaddr:$src))]>;
514 def LHAX : XForm_1<31, 343, (outs GPRC:$rD), (ins memrr:$src),
515 "lhax $rD, $src", LdStLHA,
516 [(set GPRC:$rD, (sextloadi16 xaddr:$src))]>,
517 PPC970_DGroup_Cracked;
518 def LHZX : XForm_1<31, 279, (outs GPRC:$rD), (ins memrr:$src),
519 "lhzx $rD, $src", LdStGeneral,
520 [(set GPRC:$rD, (zextloadi16 xaddr:$src))]>;
521 def LWZX : XForm_1<31, 23, (outs GPRC:$rD), (ins memrr:$src),
522 "lwzx $rD, $src", LdStGeneral,
523 [(set GPRC:$rD, (load xaddr:$src))]>;
526 def LHBRX : XForm_1<31, 790, (outs GPRC:$rD), (ins memrr:$src),
527 "lhbrx $rD, $src", LdStGeneral,
528 [(set GPRC:$rD, (PPClbrx xoaddr:$src, srcvalue:$sv, i16))]>;
529 def LWBRX : XForm_1<31, 534, (outs GPRC:$rD), (ins memrr:$src),
530 "lwbrx $rD, $src", LdStGeneral,
531 [(set GPRC:$rD, (PPClbrx xoaddr:$src, srcvalue:$sv, i32))]>;
533 def LFSX : XForm_25<31, 535, (outs F4RC:$frD), (ins memrr:$src),
534 "lfsx $frD, $src", LdStLFDU,
535 [(set F4RC:$frD, (load xaddr:$src))]>;
536 def LFDX : XForm_25<31, 599, (outs F8RC:$frD), (ins memrr:$src),
537 "lfdx $frD, $src", LdStLFDU,
538 [(set F8RC:$frD, (load xaddr:$src))]>;
541 //===----------------------------------------------------------------------===//
542 // PPC32 Store Instructions.
545 // Unindexed (r+i) Stores.
546 let isStore = 1, PPC970_Unit = 2 in {
547 def STB : DForm_1<38, (outs), (ins GPRC:$rS, memri:$src),
548 "stb $rS, $src", LdStGeneral,
549 [(truncstorei8 GPRC:$rS, iaddr:$src)]>;
550 def STH : DForm_1<44, (outs), (ins GPRC:$rS, memri:$src),
551 "sth $rS, $src", LdStGeneral,
552 [(truncstorei16 GPRC:$rS, iaddr:$src)]>;
553 def STW : DForm_1<36, (outs), (ins GPRC:$rS, memri:$src),
554 "stw $rS, $src", LdStGeneral,
555 [(store GPRC:$rS, iaddr:$src)]>;
556 def STFS : DForm_1<52, (outs), (ins F4RC:$rS, memri:$dst),
557 "stfs $rS, $dst", LdStUX,
558 [(store F4RC:$rS, iaddr:$dst)]>;
559 def STFD : DForm_1<54, (outs), (ins F8RC:$rS, memri:$dst),
560 "stfd $rS, $dst", LdStUX,
561 [(store F8RC:$rS, iaddr:$dst)]>;
564 // Unindexed (r+i) Stores with Update (preinc).
565 let isStore = 1, PPC970_Unit = 2 in {
566 def STBU : DForm_1<39, (outs ptr_rc:$ea_res), (ins GPRC:$rS,
567 symbolLo:$ptroff, ptr_rc:$ptrreg),
568 "stbu $rS, $ptroff($ptrreg)", LdStGeneral,
569 [(set ptr_rc:$ea_res,
570 (pre_truncsti8 GPRC:$rS, ptr_rc:$ptrreg,
571 iaddroff:$ptroff))]>,
572 RegConstraint<"$ptrreg = $ea_res">, NoEncode<"$ea_res">;
573 def STHU : DForm_1<45, (outs ptr_rc:$ea_res), (ins GPRC:$rS,
574 symbolLo:$ptroff, ptr_rc:$ptrreg),
575 "sthu $rS, $ptroff($ptrreg)", LdStGeneral,
576 [(set ptr_rc:$ea_res,
577 (pre_truncsti16 GPRC:$rS, ptr_rc:$ptrreg,
578 iaddroff:$ptroff))]>,
579 RegConstraint<"$ptrreg = $ea_res">, NoEncode<"$ea_res">;
580 def STWU : DForm_1<37, (outs ptr_rc:$ea_res), (ins GPRC:$rS,
581 symbolLo:$ptroff, ptr_rc:$ptrreg),
582 "stwu $rS, $ptroff($ptrreg)", LdStGeneral,
583 [(set ptr_rc:$ea_res, (pre_store GPRC:$rS, ptr_rc:$ptrreg,
584 iaddroff:$ptroff))]>,
585 RegConstraint<"$ptrreg = $ea_res">, NoEncode<"$ea_res">;
586 def STFSU : DForm_1<37, (outs ptr_rc:$ea_res), (ins F4RC:$rS,
587 symbolLo:$ptroff, ptr_rc:$ptrreg),
588 "stfsu $rS, $ptroff($ptrreg)", LdStGeneral,
589 [(set ptr_rc:$ea_res, (pre_store F4RC:$rS, ptr_rc:$ptrreg,
590 iaddroff:$ptroff))]>,
591 RegConstraint<"$ptrreg = $ea_res">, NoEncode<"$ea_res">;
592 def STFDU : DForm_1<37, (outs ptr_rc:$ea_res), (ins F8RC:$rS,
593 symbolLo:$ptroff, ptr_rc:$ptrreg),
594 "stfdu $rS, $ptroff($ptrreg)", LdStGeneral,
595 [(set ptr_rc:$ea_res, (pre_store F8RC:$rS, ptr_rc:$ptrreg,
596 iaddroff:$ptroff))]>,
597 RegConstraint<"$ptrreg = $ea_res">, NoEncode<"$ea_res">;
601 // Indexed (r+r) Stores.
603 let isStore = 1, PPC970_Unit = 2 in {
604 def STBX : XForm_8<31, 215, (outs), (ins GPRC:$rS, memrr:$dst),
605 "stbx $rS, $dst", LdStGeneral,
606 [(truncstorei8 GPRC:$rS, xaddr:$dst)]>,
607 PPC970_DGroup_Cracked;
608 def STHX : XForm_8<31, 407, (outs), (ins GPRC:$rS, memrr:$dst),
609 "sthx $rS, $dst", LdStGeneral,
610 [(truncstorei16 GPRC:$rS, xaddr:$dst)]>,
611 PPC970_DGroup_Cracked;
612 def STWX : XForm_8<31, 151, (outs), (ins GPRC:$rS, memrr:$dst),
613 "stwx $rS, $dst", LdStGeneral,
614 [(store GPRC:$rS, xaddr:$dst)]>,
615 PPC970_DGroup_Cracked;
616 def STWUX : XForm_8<31, 183, (outs), (ins GPRC:$rS, GPRC:$rA, GPRC:$rB),
617 "stwux $rS, $rA, $rB", LdStGeneral,
619 def STHBRX: XForm_8<31, 918, (outs), (ins GPRC:$rS, memrr:$dst),
620 "sthbrx $rS, $dst", LdStGeneral,
621 [(PPCstbrx GPRC:$rS, xoaddr:$dst, srcvalue:$dummy, i16)]>,
622 PPC970_DGroup_Cracked;
623 def STWBRX: XForm_8<31, 662, (outs), (ins GPRC:$rS, memrr:$dst),
624 "stwbrx $rS, $dst", LdStGeneral,
625 [(PPCstbrx GPRC:$rS, xoaddr:$dst, srcvalue:$dummy, i32)]>,
626 PPC970_DGroup_Cracked;
628 def STFIWX: XForm_28<31, 983, (outs), (ins F8RC:$frS, memrr:$dst),
629 "stfiwx $frS, $dst", LdStUX,
630 [(PPCstfiwx F8RC:$frS, xoaddr:$dst)]>;
631 def STFSX : XForm_28<31, 663, (outs), (ins F4RC:$frS, memrr:$dst),
632 "stfsx $frS, $dst", LdStUX,
633 [(store F4RC:$frS, xaddr:$dst)]>;
634 def STFDX : XForm_28<31, 727, (outs), (ins F8RC:$frS, memrr:$dst),
635 "stfdx $frS, $dst", LdStUX,
636 [(store F8RC:$frS, xaddr:$dst)]>;
640 //===----------------------------------------------------------------------===//
641 // PPC32 Arithmetic Instructions.
644 let PPC970_Unit = 1 in { // FXU Operations.
645 def ADDI : DForm_2<14, (outs GPRC:$rD), (ins GPRC:$rA, s16imm:$imm),
646 "addi $rD, $rA, $imm", IntGeneral,
647 [(set GPRC:$rD, (add GPRC:$rA, immSExt16:$imm))]>;
648 def ADDIC : DForm_2<12, (outs GPRC:$rD), (ins GPRC:$rA, s16imm:$imm),
649 "addic $rD, $rA, $imm", IntGeneral,
650 [(set GPRC:$rD, (addc GPRC:$rA, immSExt16:$imm))]>,
651 PPC970_DGroup_Cracked;
652 def ADDICo : DForm_2<13, (outs GPRC:$rD), (ins GPRC:$rA, s16imm:$imm),
653 "addic. $rD, $rA, $imm", IntGeneral,
655 def ADDIS : DForm_2<15, (outs GPRC:$rD), (ins GPRC:$rA, symbolHi:$imm),
656 "addis $rD, $rA, $imm", IntGeneral,
657 [(set GPRC:$rD, (add GPRC:$rA, imm16ShiftedSExt:$imm))]>;
658 def LA : DForm_2<14, (outs GPRC:$rD), (ins GPRC:$rA, symbolLo:$sym),
659 "la $rD, $sym($rA)", IntGeneral,
660 [(set GPRC:$rD, (add GPRC:$rA,
661 (PPClo tglobaladdr:$sym, 0)))]>;
662 def MULLI : DForm_2< 7, (outs GPRC:$rD), (ins GPRC:$rA, s16imm:$imm),
663 "mulli $rD, $rA, $imm", IntMulLI,
664 [(set GPRC:$rD, (mul GPRC:$rA, immSExt16:$imm))]>;
665 def SUBFIC : DForm_2< 8, (outs GPRC:$rD), (ins GPRC:$rA, s16imm:$imm),
666 "subfic $rD, $rA, $imm", IntGeneral,
667 [(set GPRC:$rD, (subc immSExt16:$imm, GPRC:$rA))]>;
668 def LI : DForm_2_r0<14, (outs GPRC:$rD), (ins symbolLo:$imm),
669 "li $rD, $imm", IntGeneral,
670 [(set GPRC:$rD, immSExt16:$imm)]>;
671 def LIS : DForm_2_r0<15, (outs GPRC:$rD), (ins symbolHi:$imm),
672 "lis $rD, $imm", IntGeneral,
673 [(set GPRC:$rD, imm16ShiftedSExt:$imm)]>;
676 let PPC970_Unit = 1 in { // FXU Operations.
677 def ANDIo : DForm_4<28, (outs GPRC:$dst), (ins GPRC:$src1, u16imm:$src2),
678 "andi. $dst, $src1, $src2", IntGeneral,
679 [(set GPRC:$dst, (and GPRC:$src1, immZExt16:$src2))]>,
681 def ANDISo : DForm_4<29, (outs GPRC:$dst), (ins GPRC:$src1, u16imm:$src2),
682 "andis. $dst, $src1, $src2", IntGeneral,
683 [(set GPRC:$dst, (and GPRC:$src1,imm16ShiftedZExt:$src2))]>,
685 def ORI : DForm_4<24, (outs GPRC:$dst), (ins GPRC:$src1, u16imm:$src2),
686 "ori $dst, $src1, $src2", IntGeneral,
687 [(set GPRC:$dst, (or GPRC:$src1, immZExt16:$src2))]>;
688 def ORIS : DForm_4<25, (outs GPRC:$dst), (ins GPRC:$src1, u16imm:$src2),
689 "oris $dst, $src1, $src2", IntGeneral,
690 [(set GPRC:$dst, (or GPRC:$src1, imm16ShiftedZExt:$src2))]>;
691 def XORI : DForm_4<26, (outs GPRC:$dst), (ins GPRC:$src1, u16imm:$src2),
692 "xori $dst, $src1, $src2", IntGeneral,
693 [(set GPRC:$dst, (xor GPRC:$src1, immZExt16:$src2))]>;
694 def XORIS : DForm_4<27, (outs GPRC:$dst), (ins GPRC:$src1, u16imm:$src2),
695 "xoris $dst, $src1, $src2", IntGeneral,
696 [(set GPRC:$dst, (xor GPRC:$src1,imm16ShiftedZExt:$src2))]>;
697 def NOP : DForm_4_zero<24, (outs), (ins), "nop", IntGeneral,
699 def CMPWI : DForm_5_ext<11, (outs CRRC:$crD), (ins GPRC:$rA, s16imm:$imm),
700 "cmpwi $crD, $rA, $imm", IntCompare>;
701 def CMPLWI : DForm_6_ext<10, (outs CRRC:$dst), (ins GPRC:$src1, u16imm:$src2),
702 "cmplwi $dst, $src1, $src2", IntCompare>;
706 let PPC970_Unit = 1 in { // FXU Operations.
707 def NAND : XForm_6<31, 476, (outs GPRC:$rA), (ins GPRC:$rS, GPRC:$rB),
708 "nand $rA, $rS, $rB", IntGeneral,
709 [(set GPRC:$rA, (not (and GPRC:$rS, GPRC:$rB)))]>;
710 def AND : XForm_6<31, 28, (outs GPRC:$rA), (ins GPRC:$rS, GPRC:$rB),
711 "and $rA, $rS, $rB", IntGeneral,
712 [(set GPRC:$rA, (and GPRC:$rS, GPRC:$rB))]>;
713 def ANDC : XForm_6<31, 60, (outs GPRC:$rA), (ins GPRC:$rS, GPRC:$rB),
714 "andc $rA, $rS, $rB", IntGeneral,
715 [(set GPRC:$rA, (and GPRC:$rS, (not GPRC:$rB)))]>;
716 def OR : XForm_6<31, 444, (outs GPRC:$rA), (ins GPRC:$rS, GPRC:$rB),
717 "or $rA, $rS, $rB", IntGeneral,
718 [(set GPRC:$rA, (or GPRC:$rS, GPRC:$rB))]>;
719 def NOR : XForm_6<31, 124, (outs GPRC:$rA), (ins GPRC:$rS, GPRC:$rB),
720 "nor $rA, $rS, $rB", IntGeneral,
721 [(set GPRC:$rA, (not (or GPRC:$rS, GPRC:$rB)))]>;
722 def ORC : XForm_6<31, 412, (outs GPRC:$rA), (ins GPRC:$rS, GPRC:$rB),
723 "orc $rA, $rS, $rB", IntGeneral,
724 [(set GPRC:$rA, (or GPRC:$rS, (not GPRC:$rB)))]>;
725 def EQV : XForm_6<31, 284, (outs GPRC:$rA), (ins GPRC:$rS, GPRC:$rB),
726 "eqv $rA, $rS, $rB", IntGeneral,
727 [(set GPRC:$rA, (not (xor GPRC:$rS, GPRC:$rB)))]>;
728 def XOR : XForm_6<31, 316, (outs GPRC:$rA), (ins GPRC:$rS, GPRC:$rB),
729 "xor $rA, $rS, $rB", IntGeneral,
730 [(set GPRC:$rA, (xor GPRC:$rS, GPRC:$rB))]>;
731 def SLW : XForm_6<31, 24, (outs GPRC:$rA), (ins GPRC:$rS, GPRC:$rB),
732 "slw $rA, $rS, $rB", IntGeneral,
733 [(set GPRC:$rA, (PPCshl GPRC:$rS, GPRC:$rB))]>;
734 def SRW : XForm_6<31, 536, (outs GPRC:$rA), (ins GPRC:$rS, GPRC:$rB),
735 "srw $rA, $rS, $rB", IntGeneral,
736 [(set GPRC:$rA, (PPCsrl GPRC:$rS, GPRC:$rB))]>;
737 def SRAW : XForm_6<31, 792, (outs GPRC:$rA), (ins GPRC:$rS, GPRC:$rB),
738 "sraw $rA, $rS, $rB", IntShift,
739 [(set GPRC:$rA, (PPCsra GPRC:$rS, GPRC:$rB))]>;
742 let PPC970_Unit = 1 in { // FXU Operations.
743 def SRAWI : XForm_10<31, 824, (outs GPRC:$rA), (ins GPRC:$rS, u5imm:$SH),
744 "srawi $rA, $rS, $SH", IntShift,
745 [(set GPRC:$rA, (sra GPRC:$rS, (i32 imm:$SH)))]>;
746 def CNTLZW : XForm_11<31, 26, (outs GPRC:$rA), (ins GPRC:$rS),
747 "cntlzw $rA, $rS", IntGeneral,
748 [(set GPRC:$rA, (ctlz GPRC:$rS))]>;
749 def EXTSB : XForm_11<31, 954, (outs GPRC:$rA), (ins GPRC:$rS),
750 "extsb $rA, $rS", IntGeneral,
751 [(set GPRC:$rA, (sext_inreg GPRC:$rS, i8))]>;
752 def EXTSH : XForm_11<31, 922, (outs GPRC:$rA), (ins GPRC:$rS),
753 "extsh $rA, $rS", IntGeneral,
754 [(set GPRC:$rA, (sext_inreg GPRC:$rS, i16))]>;
756 def CMPW : XForm_16_ext<31, 0, (outs CRRC:$crD), (ins GPRC:$rA, GPRC:$rB),
757 "cmpw $crD, $rA, $rB", IntCompare>;
758 def CMPLW : XForm_16_ext<31, 32, (outs CRRC:$crD), (ins GPRC:$rA, GPRC:$rB),
759 "cmplw $crD, $rA, $rB", IntCompare>;
761 let PPC970_Unit = 3 in { // FPU Operations.
762 //def FCMPO : XForm_17<63, 32, (outs CRRC:$crD), (ins FPRC:$fA, FPRC:$fB),
763 // "fcmpo $crD, $fA, $fB", FPCompare>;
764 def FCMPUS : XForm_17<63, 0, (outs CRRC:$crD), (ins F4RC:$fA, F4RC:$fB),
765 "fcmpu $crD, $fA, $fB", FPCompare>;
766 def FCMPUD : XForm_17<63, 0, (outs CRRC:$crD), (ins F8RC:$fA, F8RC:$fB),
767 "fcmpu $crD, $fA, $fB", FPCompare>;
769 def FCTIWZ : XForm_26<63, 15, (outs F8RC:$frD), (ins F8RC:$frB),
770 "fctiwz $frD, $frB", FPGeneral,
771 [(set F8RC:$frD, (PPCfctiwz F8RC:$frB))]>;
772 def FRSP : XForm_26<63, 12, (outs F4RC:$frD), (ins F8RC:$frB),
773 "frsp $frD, $frB", FPGeneral,
774 [(set F4RC:$frD, (fround F8RC:$frB))]>;
775 def FSQRT : XForm_26<63, 22, (outs F8RC:$frD), (ins F8RC:$frB),
776 "fsqrt $frD, $frB", FPSqrt,
777 [(set F8RC:$frD, (fsqrt F8RC:$frB))]>;
778 def FSQRTS : XForm_26<59, 22, (outs F4RC:$frD), (ins F4RC:$frB),
779 "fsqrts $frD, $frB", FPSqrt,
780 [(set F4RC:$frD, (fsqrt F4RC:$frB))]>;
783 /// FMR is split into 3 versions, one for 4/8 byte FP, and one for extending.
785 /// Note that these are defined as pseudo-ops on the PPC970 because they are
786 /// often coalesced away and we don't want the dispatch group builder to think
787 /// that they will fill slots (which could cause the load of a LSU reject to
788 /// sneak into a d-group with a store).
789 def FMRS : XForm_26<63, 72, (outs F4RC:$frD), (ins F4RC:$frB),
790 "fmr $frD, $frB", FPGeneral,
791 []>, // (set F4RC:$frD, F4RC:$frB)
793 def FMRD : XForm_26<63, 72, (outs F8RC:$frD), (ins F8RC:$frB),
794 "fmr $frD, $frB", FPGeneral,
795 []>, // (set F8RC:$frD, F8RC:$frB)
797 def FMRSD : XForm_26<63, 72, (outs F8RC:$frD), (ins F4RC:$frB),
798 "fmr $frD, $frB", FPGeneral,
799 [(set F8RC:$frD, (fextend F4RC:$frB))]>,
802 let PPC970_Unit = 3 in { // FPU Operations.
803 // These are artificially split into two different forms, for 4/8 byte FP.
804 def FABSS : XForm_26<63, 264, (outs F4RC:$frD), (ins F4RC:$frB),
805 "fabs $frD, $frB", FPGeneral,
806 [(set F4RC:$frD, (fabs F4RC:$frB))]>;
807 def FABSD : XForm_26<63, 264, (outs F8RC:$frD), (ins F8RC:$frB),
808 "fabs $frD, $frB", FPGeneral,
809 [(set F8RC:$frD, (fabs F8RC:$frB))]>;
810 def FNABSS : XForm_26<63, 136, (outs F4RC:$frD), (ins F4RC:$frB),
811 "fnabs $frD, $frB", FPGeneral,
812 [(set F4RC:$frD, (fneg (fabs F4RC:$frB)))]>;
813 def FNABSD : XForm_26<63, 136, (outs F8RC:$frD), (ins F8RC:$frB),
814 "fnabs $frD, $frB", FPGeneral,
815 [(set F8RC:$frD, (fneg (fabs F8RC:$frB)))]>;
816 def FNEGS : XForm_26<63, 40, (outs F4RC:$frD), (ins F4RC:$frB),
817 "fneg $frD, $frB", FPGeneral,
818 [(set F4RC:$frD, (fneg F4RC:$frB))]>;
819 def FNEGD : XForm_26<63, 40, (outs F8RC:$frD), (ins F8RC:$frB),
820 "fneg $frD, $frB", FPGeneral,
821 [(set F8RC:$frD, (fneg F8RC:$frB))]>;
825 // XL-Form instructions. condition register logical ops.
827 def MCRF : XLForm_3<19, 0, (outs CRRC:$BF), (ins CRRC:$BFA),
828 "mcrf $BF, $BFA", BrMCR>,
829 PPC970_DGroup_First, PPC970_Unit_CRU;
831 def CREQV : XLForm_1<19, 289, (outs CRRC:$CRD), (ins CRRC:$CRA, CRRC:$CRB),
832 "creqv $CRD, $CRA, $CRB", BrCR,
835 def SETCR : XLForm_1_ext<19, 289, (outs CRRC:$dst), (ins),
836 "creqv $dst, $dst, $dst", BrCR,
839 // XFX-Form instructions. Instructions that deal with SPRs.
841 def MFCTR : XFXForm_1_ext<31, 339, 9, (outs GPRC:$rT), (ins),
842 "mfctr $rT", SprMFSPR>,
843 PPC970_DGroup_First, PPC970_Unit_FXU;
844 let Pattern = [(PPCmtctr GPRC:$rS)] in {
845 def MTCTR : XFXForm_7_ext<31, 467, 9, (outs), (ins GPRC:$rS),
846 "mtctr $rS", SprMTSPR>,
847 PPC970_DGroup_First, PPC970_Unit_FXU;
850 def MTLR : XFXForm_7_ext<31, 467, 8, (outs), (ins GPRC:$rS),
851 "mtlr $rS", SprMTSPR>,
852 PPC970_DGroup_First, PPC970_Unit_FXU;
853 def MFLR : XFXForm_1_ext<31, 339, 8, (outs GPRC:$rT), (ins),
854 "mflr $rT", SprMFSPR>,
855 PPC970_DGroup_First, PPC970_Unit_FXU;
857 // Move to/from VRSAVE: despite being a SPR, the VRSAVE register is renamed like
858 // a GPR on the PPC970. As such, copies in and out have the same performance
859 // characteristics as an OR instruction.
860 def MTVRSAVE : XFXForm_7_ext<31, 467, 256, (outs), (ins GPRC:$rS),
861 "mtspr 256, $rS", IntGeneral>,
862 PPC970_DGroup_Single, PPC970_Unit_FXU;
863 def MFVRSAVE : XFXForm_1_ext<31, 339, 256, (outs GPRC:$rT), (ins),
864 "mfspr $rT, 256", IntGeneral>,
865 PPC970_DGroup_First, PPC970_Unit_FXU;
867 def MTCRF : XFXForm_5<31, 144, (outs), (ins crbitm:$FXM, GPRC:$rS),
868 "mtcrf $FXM, $rS", BrMCRX>,
869 PPC970_MicroCode, PPC970_Unit_CRU;
870 def MFCR : XFXForm_3<31, 19, (outs GPRC:$rT), (ins), "mfcr $rT", SprMFCR>,
871 PPC970_MicroCode, PPC970_Unit_CRU;
872 def MFOCRF: XFXForm_5a<31, 19, (outs GPRC:$rT), (ins crbitm:$FXM),
873 "mfcr $rT, $FXM", SprMFCR>,
874 PPC970_DGroup_First, PPC970_Unit_CRU;
876 let PPC970_Unit = 1 in { // FXU Operations.
878 // XO-Form instructions. Arithmetic instructions that can set overflow bit
880 def ADD4 : XOForm_1<31, 266, 0, (outs GPRC:$rT), (ins GPRC:$rA, GPRC:$rB),
881 "add $rT, $rA, $rB", IntGeneral,
882 [(set GPRC:$rT, (add GPRC:$rA, GPRC:$rB))]>;
883 def ADDC : XOForm_1<31, 10, 0, (outs GPRC:$rT), (ins GPRC:$rA, GPRC:$rB),
884 "addc $rT, $rA, $rB", IntGeneral,
885 [(set GPRC:$rT, (addc GPRC:$rA, GPRC:$rB))]>,
886 PPC970_DGroup_Cracked;
887 def ADDE : XOForm_1<31, 138, 0, (outs GPRC:$rT), (ins GPRC:$rA, GPRC:$rB),
888 "adde $rT, $rA, $rB", IntGeneral,
889 [(set GPRC:$rT, (adde GPRC:$rA, GPRC:$rB))]>;
890 def DIVW : XOForm_1<31, 491, 0, (outs GPRC:$rT), (ins GPRC:$rA, GPRC:$rB),
891 "divw $rT, $rA, $rB", IntDivW,
892 [(set GPRC:$rT, (sdiv GPRC:$rA, GPRC:$rB))]>,
893 PPC970_DGroup_First, PPC970_DGroup_Cracked;
894 def DIVWU : XOForm_1<31, 459, 0, (outs GPRC:$rT), (ins GPRC:$rA, GPRC:$rB),
895 "divwu $rT, $rA, $rB", IntDivW,
896 [(set GPRC:$rT, (udiv GPRC:$rA, GPRC:$rB))]>,
897 PPC970_DGroup_First, PPC970_DGroup_Cracked;
898 def MULHW : XOForm_1<31, 75, 0, (outs GPRC:$rT), (ins GPRC:$rA, GPRC:$rB),
899 "mulhw $rT, $rA, $rB", IntMulHW,
900 [(set GPRC:$rT, (mulhs GPRC:$rA, GPRC:$rB))]>;
901 def MULHWU : XOForm_1<31, 11, 0, (outs GPRC:$rT), (ins GPRC:$rA, GPRC:$rB),
902 "mulhwu $rT, $rA, $rB", IntMulHWU,
903 [(set GPRC:$rT, (mulhu GPRC:$rA, GPRC:$rB))]>;
904 def MULLW : XOForm_1<31, 235, 0, (outs GPRC:$rT), (ins GPRC:$rA, GPRC:$rB),
905 "mullw $rT, $rA, $rB", IntMulHW,
906 [(set GPRC:$rT, (mul GPRC:$rA, GPRC:$rB))]>;
907 def SUBF : XOForm_1<31, 40, 0, (outs GPRC:$rT), (ins GPRC:$rA, GPRC:$rB),
908 "subf $rT, $rA, $rB", IntGeneral,
909 [(set GPRC:$rT, (sub GPRC:$rB, GPRC:$rA))]>;
910 def SUBFC : XOForm_1<31, 8, 0, (outs GPRC:$rT), (ins GPRC:$rA, GPRC:$rB),
911 "subfc $rT, $rA, $rB", IntGeneral,
912 [(set GPRC:$rT, (subc GPRC:$rB, GPRC:$rA))]>,
913 PPC970_DGroup_Cracked;
914 def SUBFE : XOForm_1<31, 136, 0, (outs GPRC:$rT), (ins GPRC:$rA, GPRC:$rB),
915 "subfe $rT, $rA, $rB", IntGeneral,
916 [(set GPRC:$rT, (sube GPRC:$rB, GPRC:$rA))]>;
917 def ADDME : XOForm_3<31, 234, 0, (outs GPRC:$rT), (ins GPRC:$rA),
918 "addme $rT, $rA", IntGeneral,
919 [(set GPRC:$rT, (adde GPRC:$rA, immAllOnes))]>;
920 def ADDZE : XOForm_3<31, 202, 0, (outs GPRC:$rT), (ins GPRC:$rA),
921 "addze $rT, $rA", IntGeneral,
922 [(set GPRC:$rT, (adde GPRC:$rA, 0))]>;
923 def NEG : XOForm_3<31, 104, 0, (outs GPRC:$rT), (ins GPRC:$rA),
924 "neg $rT, $rA", IntGeneral,
925 [(set GPRC:$rT, (ineg GPRC:$rA))]>;
926 def SUBFME : XOForm_3<31, 232, 0, (outs GPRC:$rT), (ins GPRC:$rA),
927 "subfme $rT, $rA", IntGeneral,
928 [(set GPRC:$rT, (sube immAllOnes, GPRC:$rA))]>;
929 def SUBFZE : XOForm_3<31, 200, 0, (outs GPRC:$rT), (ins GPRC:$rA),
930 "subfze $rT, $rA", IntGeneral,
931 [(set GPRC:$rT, (sube 0, GPRC:$rA))]>;
934 // A-Form instructions. Most of the instructions executed in the FPU are of
937 let PPC970_Unit = 3 in { // FPU Operations.
938 def FMADD : AForm_1<63, 29,
939 (outs F8RC:$FRT), (ins F8RC:$FRA, F8RC:$FRC, F8RC:$FRB),
940 "fmadd $FRT, $FRA, $FRC, $FRB", FPFused,
941 [(set F8RC:$FRT, (fadd (fmul F8RC:$FRA, F8RC:$FRC),
943 Requires<[FPContractions]>;
944 def FMADDS : AForm_1<59, 29,
945 (outs F4RC:$FRT), (ins F4RC:$FRA, F4RC:$FRC, F4RC:$FRB),
946 "fmadds $FRT, $FRA, $FRC, $FRB", FPGeneral,
947 [(set F4RC:$FRT, (fadd (fmul F4RC:$FRA, F4RC:$FRC),
949 Requires<[FPContractions]>;
950 def FMSUB : AForm_1<63, 28,
951 (outs F8RC:$FRT), (ins F8RC:$FRA, F8RC:$FRC, F8RC:$FRB),
952 "fmsub $FRT, $FRA, $FRC, $FRB", FPFused,
953 [(set F8RC:$FRT, (fsub (fmul F8RC:$FRA, F8RC:$FRC),
955 Requires<[FPContractions]>;
956 def FMSUBS : AForm_1<59, 28,
957 (outs F4RC:$FRT), (ins F4RC:$FRA, F4RC:$FRC, F4RC:$FRB),
958 "fmsubs $FRT, $FRA, $FRC, $FRB", FPGeneral,
959 [(set F4RC:$FRT, (fsub (fmul F4RC:$FRA, F4RC:$FRC),
961 Requires<[FPContractions]>;
962 def FNMADD : AForm_1<63, 31,
963 (outs F8RC:$FRT), (ins F8RC:$FRA, F8RC:$FRC, F8RC:$FRB),
964 "fnmadd $FRT, $FRA, $FRC, $FRB", FPFused,
965 [(set F8RC:$FRT, (fneg (fadd (fmul F8RC:$FRA, F8RC:$FRC),
967 Requires<[FPContractions]>;
968 def FNMADDS : AForm_1<59, 31,
969 (outs F4RC:$FRT), (ins F4RC:$FRA, F4RC:$FRC, F4RC:$FRB),
970 "fnmadds $FRT, $FRA, $FRC, $FRB", FPGeneral,
971 [(set F4RC:$FRT, (fneg (fadd (fmul F4RC:$FRA, F4RC:$FRC),
973 Requires<[FPContractions]>;
974 def FNMSUB : AForm_1<63, 30,
975 (outs F8RC:$FRT), (ins F8RC:$FRA, F8RC:$FRC, F8RC:$FRB),
976 "fnmsub $FRT, $FRA, $FRC, $FRB", FPFused,
977 [(set F8RC:$FRT, (fneg (fsub (fmul F8RC:$FRA, F8RC:$FRC),
979 Requires<[FPContractions]>;
980 def FNMSUBS : AForm_1<59, 30,
981 (outs F4RC:$FRT), (ins F4RC:$FRA, F4RC:$FRC, F4RC:$FRB),
982 "fnmsubs $FRT, $FRA, $FRC, $FRB", FPGeneral,
983 [(set F4RC:$FRT, (fneg (fsub (fmul F4RC:$FRA, F4RC:$FRC),
985 Requires<[FPContractions]>;
986 // FSEL is artificially split into 4 and 8-byte forms for the result. To avoid
987 // having 4 of these, force the comparison to always be an 8-byte double (code
988 // should use an FMRSD if the input comparison value really wants to be a float)
989 // and 4/8 byte forms for the result and operand type..
990 def FSELD : AForm_1<63, 23,
991 (outs F8RC:$FRT), (ins F8RC:$FRA, F8RC:$FRC, F8RC:$FRB),
992 "fsel $FRT, $FRA, $FRC, $FRB", FPGeneral,
993 [(set F8RC:$FRT, (PPCfsel F8RC:$FRA,F8RC:$FRC,F8RC:$FRB))]>;
994 def FSELS : AForm_1<63, 23,
995 (outs F4RC:$FRT), (ins F8RC:$FRA, F4RC:$FRC, F4RC:$FRB),
996 "fsel $FRT, $FRA, $FRC, $FRB", FPGeneral,
997 [(set F4RC:$FRT, (PPCfsel F8RC:$FRA,F4RC:$FRC,F4RC:$FRB))]>;
998 def FADD : AForm_2<63, 21,
999 (outs F8RC:$FRT), (ins F8RC:$FRA, F8RC:$FRB),
1000 "fadd $FRT, $FRA, $FRB", FPGeneral,
1001 [(set F8RC:$FRT, (fadd F8RC:$FRA, F8RC:$FRB))]>;
1002 def FADDS : AForm_2<59, 21,
1003 (outs F4RC:$FRT), (ins F4RC:$FRA, F4RC:$FRB),
1004 "fadds $FRT, $FRA, $FRB", FPGeneral,
1005 [(set F4RC:$FRT, (fadd F4RC:$FRA, F4RC:$FRB))]>;
1006 def FDIV : AForm_2<63, 18,
1007 (outs F8RC:$FRT), (ins F8RC:$FRA, F8RC:$FRB),
1008 "fdiv $FRT, $FRA, $FRB", FPDivD,
1009 [(set F8RC:$FRT, (fdiv F8RC:$FRA, F8RC:$FRB))]>;
1010 def FDIVS : AForm_2<59, 18,
1011 (outs F4RC:$FRT), (ins F4RC:$FRA, F4RC:$FRB),
1012 "fdivs $FRT, $FRA, $FRB", FPDivS,
1013 [(set F4RC:$FRT, (fdiv F4RC:$FRA, F4RC:$FRB))]>;
1014 def FMUL : AForm_3<63, 25,
1015 (outs F8RC:$FRT), (ins F8RC:$FRA, F8RC:$FRB),
1016 "fmul $FRT, $FRA, $FRB", FPFused,
1017 [(set F8RC:$FRT, (fmul F8RC:$FRA, F8RC:$FRB))]>;
1018 def FMULS : AForm_3<59, 25,
1019 (outs F4RC:$FRT), (ins F4RC:$FRA, F4RC:$FRB),
1020 "fmuls $FRT, $FRA, $FRB", FPGeneral,
1021 [(set F4RC:$FRT, (fmul F4RC:$FRA, F4RC:$FRB))]>;
1022 def FSUB : AForm_2<63, 20,
1023 (outs F8RC:$FRT), (ins F8RC:$FRA, F8RC:$FRB),
1024 "fsub $FRT, $FRA, $FRB", FPGeneral,
1025 [(set F8RC:$FRT, (fsub F8RC:$FRA, F8RC:$FRB))]>;
1026 def FSUBS : AForm_2<59, 20,
1027 (outs F4RC:$FRT), (ins F4RC:$FRA, F4RC:$FRB),
1028 "fsubs $FRT, $FRA, $FRB", FPGeneral,
1029 [(set F4RC:$FRT, (fsub F4RC:$FRA, F4RC:$FRB))]>;
1032 let PPC970_Unit = 1 in { // FXU Operations.
1033 // M-Form instructions. rotate and mask instructions.
1035 let isCommutable = 1 in {
1036 // RLWIMI can be commuted if the rotate amount is zero.
1037 def RLWIMI : MForm_2<20,
1038 (outs GPRC:$rA), (ins GPRC:$rSi, GPRC:$rS, u5imm:$SH, u5imm:$MB,
1039 u5imm:$ME), "rlwimi $rA, $rS, $SH, $MB, $ME", IntRotate,
1040 []>, PPC970_DGroup_Cracked, RegConstraint<"$rSi = $rA">,
1043 def RLWINM : MForm_2<21,
1044 (outs GPRC:$rA), (ins GPRC:$rS, u5imm:$SH, u5imm:$MB, u5imm:$ME),
1045 "rlwinm $rA, $rS, $SH, $MB, $ME", IntGeneral,
1047 def RLWINMo : MForm_2<21,
1048 (outs GPRC:$rA), (ins GPRC:$rS, u5imm:$SH, u5imm:$MB, u5imm:$ME),
1049 "rlwinm. $rA, $rS, $SH, $MB, $ME", IntGeneral,
1050 []>, isDOT, PPC970_DGroup_Cracked;
1051 def RLWNM : MForm_2<23,
1052 (outs GPRC:$rA), (ins GPRC:$rS, GPRC:$rB, u5imm:$MB, u5imm:$ME),
1053 "rlwnm $rA, $rS, $rB, $MB, $ME", IntGeneral,
1058 //===----------------------------------------------------------------------===//
1059 // DWARF Pseudo Instructions
1062 def DWARF_LOC : Pseudo<(outs), (ins i32imm:$line, i32imm:$col, i32imm:$file),
1063 "${:comment} .loc $file, $line, $col",
1064 [(dwarf_loc (i32 imm:$line), (i32 imm:$col),
1067 //===----------------------------------------------------------------------===//
1068 // PowerPC Instruction Patterns
1071 // Arbitrary immediate support. Implement in terms of LIS/ORI.
1072 def : Pat<(i32 imm:$imm),
1073 (ORI (LIS (HI16 imm:$imm)), (LO16 imm:$imm))>;
1075 // Implement the 'not' operation with the NOR instruction.
1076 def NOT : Pat<(not GPRC:$in),
1077 (NOR GPRC:$in, GPRC:$in)>;
1079 // ADD an arbitrary immediate.
1080 def : Pat<(add GPRC:$in, imm:$imm),
1081 (ADDIS (ADDI GPRC:$in, (LO16 imm:$imm)), (HA16 imm:$imm))>;
1082 // OR an arbitrary immediate.
1083 def : Pat<(or GPRC:$in, imm:$imm),
1084 (ORIS (ORI GPRC:$in, (LO16 imm:$imm)), (HI16 imm:$imm))>;
1085 // XOR an arbitrary immediate.
1086 def : Pat<(xor GPRC:$in, imm:$imm),
1087 (XORIS (XORI GPRC:$in, (LO16 imm:$imm)), (HI16 imm:$imm))>;
1089 def : Pat<(sub immSExt16:$imm, GPRC:$in),
1090 (SUBFIC GPRC:$in, imm:$imm)>;
1093 def : Pat<(shl GPRC:$in, (i32 imm:$imm)),
1094 (RLWINM GPRC:$in, imm:$imm, 0, (SHL32 imm:$imm))>;
1095 def : Pat<(srl GPRC:$in, (i32 imm:$imm)),
1096 (RLWINM GPRC:$in, (SRL32 imm:$imm), imm:$imm, 31)>;
1099 def : Pat<(rotl GPRC:$in, GPRC:$sh),
1100 (RLWNM GPRC:$in, GPRC:$sh, 0, 31)>;
1101 def : Pat<(rotl GPRC:$in, (i32 imm:$imm)),
1102 (RLWINM GPRC:$in, imm:$imm, 0, 31)>;
1105 def : Pat<(and (rotl GPRC:$in, GPRC:$sh), maskimm32:$imm),
1106 (RLWNM GPRC:$in, GPRC:$sh, (MB maskimm32:$imm), (ME maskimm32:$imm))>;
1109 def : Pat<(PPCcall_Macho (i32 tglobaladdr:$dst)),
1110 (BL_Macho tglobaladdr:$dst)>;
1111 def : Pat<(PPCcall_Macho (i32 texternalsym:$dst)),
1112 (BL_Macho texternalsym:$dst)>;
1113 def : Pat<(PPCcall_ELF (i32 tglobaladdr:$dst)),
1114 (BL_ELF tglobaladdr:$dst)>;
1115 def : Pat<(PPCcall_ELF (i32 texternalsym:$dst)),
1116 (BL_ELF texternalsym:$dst)>;
1118 // Hi and Lo for Darwin Global Addresses.
1119 def : Pat<(PPChi tglobaladdr:$in, 0), (LIS tglobaladdr:$in)>;
1120 def : Pat<(PPClo tglobaladdr:$in, 0), (LI tglobaladdr:$in)>;
1121 def : Pat<(PPChi tconstpool:$in, 0), (LIS tconstpool:$in)>;
1122 def : Pat<(PPClo tconstpool:$in, 0), (LI tconstpool:$in)>;
1123 def : Pat<(PPChi tjumptable:$in, 0), (LIS tjumptable:$in)>;
1124 def : Pat<(PPClo tjumptable:$in, 0), (LI tjumptable:$in)>;
1125 def : Pat<(add GPRC:$in, (PPChi tglobaladdr:$g, 0)),
1126 (ADDIS GPRC:$in, tglobaladdr:$g)>;
1127 def : Pat<(add GPRC:$in, (PPChi tconstpool:$g, 0)),
1128 (ADDIS GPRC:$in, tconstpool:$g)>;
1129 def : Pat<(add GPRC:$in, (PPChi tjumptable:$g, 0)),
1130 (ADDIS GPRC:$in, tjumptable:$g)>;
1132 // Fused negative multiply subtract, alternate pattern
1133 def : Pat<(fsub F8RC:$B, (fmul F8RC:$A, F8RC:$C)),
1134 (FNMSUB F8RC:$A, F8RC:$C, F8RC:$B)>,
1135 Requires<[FPContractions]>;
1136 def : Pat<(fsub F4RC:$B, (fmul F4RC:$A, F4RC:$C)),
1137 (FNMSUBS F4RC:$A, F4RC:$C, F4RC:$B)>,
1138 Requires<[FPContractions]>;
1140 // Standard shifts. These are represented separately from the real shifts above
1141 // so that we can distinguish between shifts that allow 5-bit and 6-bit shift
1143 def : Pat<(sra GPRC:$rS, GPRC:$rB),
1144 (SRAW GPRC:$rS, GPRC:$rB)>;
1145 def : Pat<(srl GPRC:$rS, GPRC:$rB),
1146 (SRW GPRC:$rS, GPRC:$rB)>;
1147 def : Pat<(shl GPRC:$rS, GPRC:$rB),
1148 (SLW GPRC:$rS, GPRC:$rB)>;
1150 def : Pat<(zextloadi1 iaddr:$src),
1152 def : Pat<(zextloadi1 xaddr:$src),
1154 def : Pat<(extloadi1 iaddr:$src),
1156 def : Pat<(extloadi1 xaddr:$src),
1158 def : Pat<(extloadi8 iaddr:$src),
1160 def : Pat<(extloadi8 xaddr:$src),
1162 def : Pat<(extloadi16 iaddr:$src),
1164 def : Pat<(extloadi16 xaddr:$src),
1166 def : Pat<(extloadf32 iaddr:$src),
1167 (FMRSD (LFS iaddr:$src))>;
1168 def : Pat<(extloadf32 xaddr:$src),
1169 (FMRSD (LFSX xaddr:$src))>;
1171 include "PPCInstrAltivec.td"
1172 include "PPCInstr64Bit.td"