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<1, 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 : SDNode<"PPCISD::CALL", SDT_PPCCall,
85 [SDNPHasChain, SDNPOptInFlag, SDNPOutFlag]>;
86 def PPCmtctr : SDNode<"PPCISD::MTCTR", SDT_PPCCall,
87 [SDNPHasChain, SDNPOptInFlag, SDNPOutFlag]>;
88 def PPCbctrl : SDNode<"PPCISD::BCTRL", SDTRet,
89 [SDNPHasChain, SDNPOptInFlag, SDNPOutFlag]>;
91 def retflag : SDNode<"PPCISD::RET_FLAG", SDTRet,
92 [SDNPHasChain, SDNPOptInFlag]>;
94 def PPCvcmp : SDNode<"PPCISD::VCMP" , SDT_PPCvcmp, []>;
95 def PPCvcmp_o : SDNode<"PPCISD::VCMPo", SDT_PPCvcmp, [SDNPOutFlag]>;
97 def PPCcondbranch : SDNode<"PPCISD::COND_BRANCH", SDT_PPCcondbr,
98 [SDNPHasChain, SDNPOptInFlag]>;
100 def PPClbrx : SDNode<"PPCISD::LBRX", SDT_PPClbrx, [SDNPHasChain]>;
101 def PPCstbrx : SDNode<"PPCISD::STBRX", SDT_PPCstbrx, [SDNPHasChain]>;
103 //===----------------------------------------------------------------------===//
104 // PowerPC specific transformation functions and pattern fragments.
107 def SHL32 : SDNodeXForm<imm, [{
108 // Transformation function: 31 - imm
109 return getI32Imm(31 - N->getValue());
112 def SRL32 : SDNodeXForm<imm, [{
113 // Transformation function: 32 - imm
114 return N->getValue() ? getI32Imm(32 - N->getValue()) : getI32Imm(0);
117 def LO16 : SDNodeXForm<imm, [{
118 // Transformation function: get the low 16 bits.
119 return getI32Imm((unsigned short)N->getValue());
122 def HI16 : SDNodeXForm<imm, [{
123 // Transformation function: shift the immediate value down into the low bits.
124 return getI32Imm((unsigned)N->getValue() >> 16);
127 def HA16 : SDNodeXForm<imm, [{
128 // Transformation function: shift the immediate value down into the low bits.
129 signed int Val = N->getValue();
130 return getI32Imm((Val - (signed short)Val) >> 16);
132 def MB : SDNodeXForm<imm, [{
133 // Transformation function: get the start bit of a mask
135 (void)isRunOfOnes((unsigned)N->getValue(), mb, me);
136 return getI32Imm(mb);
139 def ME : SDNodeXForm<imm, [{
140 // Transformation function: get the end bit of a mask
142 (void)isRunOfOnes((unsigned)N->getValue(), mb, me);
143 return getI32Imm(me);
145 def maskimm32 : PatLeaf<(imm), [{
146 // maskImm predicate - True if immediate is a run of ones.
148 if (N->getValueType(0) == MVT::i32)
149 return isRunOfOnes((unsigned)N->getValue(), mb, me);
154 def immSExt16 : PatLeaf<(imm), [{
155 // immSExt16 predicate - True if the immediate fits in a 16-bit sign extended
156 // field. Used by instructions like 'addi'.
157 if (N->getValueType(0) == MVT::i32)
158 return (int32_t)N->getValue() == (short)N->getValue();
160 return (int64_t)N->getValue() == (short)N->getValue();
162 def immZExt16 : PatLeaf<(imm), [{
163 // immZExt16 predicate - True if the immediate fits in a 16-bit zero extended
164 // field. Used by instructions like 'ori'.
165 return (uint64_t)N->getValue() == (unsigned short)N->getValue();
168 // imm16Shifted* - These match immediates where the low 16-bits are zero. There
169 // are two forms: imm16ShiftedSExt and imm16ShiftedZExt. These two forms are
170 // identical in 32-bit mode, but in 64-bit mode, they return true if the
171 // immediate fits into a sign/zero extended 32-bit immediate (with the low bits
173 def imm16ShiftedZExt : PatLeaf<(imm), [{
174 // imm16ShiftedZExt predicate - True if only bits in the top 16-bits of the
175 // immediate are set. Used by instructions like 'xoris'.
176 return (N->getValue() & ~uint64_t(0xFFFF0000)) == 0;
179 def imm16ShiftedSExt : PatLeaf<(imm), [{
180 // imm16ShiftedSExt predicate - True if only bits in the top 16-bits of the
181 // immediate are set. Used by instructions like 'addis'. Identical to
182 // imm16ShiftedZExt in 32-bit mode.
183 if (N->getValue() & 0xFFFF) return false;
184 if (N->getValueType(0) == MVT::i32)
186 // For 64-bit, make sure it is sext right.
187 return N->getValue() == (uint64_t)(int)N->getValue();
191 //===----------------------------------------------------------------------===//
192 // PowerPC Flag Definitions.
194 class isPPC64 { bit PPC64 = 1; }
196 list<Register> Defs = [CR0];
202 //===----------------------------------------------------------------------===//
203 // PowerPC Operand Definitions.
205 def s5imm : Operand<i32> {
206 let PrintMethod = "printS5ImmOperand";
208 def u5imm : Operand<i32> {
209 let PrintMethod = "printU5ImmOperand";
211 def u6imm : Operand<i32> {
212 let PrintMethod = "printU6ImmOperand";
214 def s16imm : Operand<i32> {
215 let PrintMethod = "printS16ImmOperand";
217 def u16imm : Operand<i32> {
218 let PrintMethod = "printU16ImmOperand";
220 def s16immX4 : Operand<i32> { // Multiply imm by 4 before printing.
221 let PrintMethod = "printS16X4ImmOperand";
223 def target : Operand<OtherVT> {
224 let PrintMethod = "printBranchOperand";
226 def calltarget : Operand<iPTR> {
227 let PrintMethod = "printCallOperand";
229 def aaddr : Operand<iPTR> {
230 let PrintMethod = "printAbsAddrOperand";
232 def piclabel: Operand<iPTR> {
233 let PrintMethod = "printPICLabel";
235 def symbolHi: Operand<i32> {
236 let PrintMethod = "printSymbolHi";
238 def symbolLo: Operand<i32> {
239 let PrintMethod = "printSymbolLo";
241 def crbitm: Operand<i8> {
242 let PrintMethod = "printcrbitm";
245 def memri : Operand<iPTR> {
246 let PrintMethod = "printMemRegImm";
247 let MIOperandInfo = (ops i32imm, ptr_rc);
249 def memrr : Operand<iPTR> {
250 let PrintMethod = "printMemRegReg";
251 let MIOperandInfo = (ops ptr_rc, ptr_rc);
253 def memrix : Operand<iPTR> { // memri where the imm is shifted 2 bits.
254 let PrintMethod = "printMemRegImmShifted";
255 let MIOperandInfo = (ops i32imm, ptr_rc);
258 // PowerPC Predicate operand. 20 = (0<<5)|20 = always, CR0 is a dummy reg
259 // that doesn't matter.
260 def pred : PredicateOperand<(ops imm, CRRC), (ops (i32 20), CR0)> {
261 let PrintMethod = "printPredicateOperand";
264 // Define PowerPC specific addressing mode.
265 def iaddr : ComplexPattern<iPTR, 2, "SelectAddrImm", [], []>;
266 def xaddr : ComplexPattern<iPTR, 2, "SelectAddrIdx", [], []>;
267 def xoaddr : ComplexPattern<iPTR, 2, "SelectAddrIdxOnly",[], []>;
268 def ixaddr : ComplexPattern<iPTR, 2, "SelectAddrImmShift", [], []>; // "std"
270 //===----------------------------------------------------------------------===//
271 // PowerPC Instruction Predicate Definitions.
272 def FPContractions : Predicate<"!NoExcessFPPrecision">;
274 //===----------------------------------------------------------------------===//
275 // PowerPC Instruction Definitions.
277 // Pseudo-instructions:
279 let hasCtrlDep = 1 in {
280 def ADJCALLSTACKDOWN : Pseudo<(ops u16imm:$amt),
281 "${:comment} ADJCALLSTACKDOWN",
282 [(callseq_start imm:$amt)]>, Imp<[R1],[R1]>;
283 def ADJCALLSTACKUP : Pseudo<(ops u16imm:$amt),
284 "${:comment} ADJCALLSTACKUP",
285 [(callseq_end imm:$amt)]>, Imp<[R1],[R1]>;
287 def UPDATE_VRSAVE : Pseudo<(ops GPRC:$rD, GPRC:$rS),
288 "UPDATE_VRSAVE $rD, $rS", []>;
290 def IMPLICIT_DEF_GPRC: Pseudo<(ops GPRC:$rD),"${:comment}IMPLICIT_DEF_GPRC $rD",
291 [(set GPRC:$rD, (undef))]>;
292 def IMPLICIT_DEF_F8 : Pseudo<(ops F8RC:$rD), "${:comment} IMPLICIT_DEF_F8 $rD",
293 [(set F8RC:$rD, (undef))]>;
294 def IMPLICIT_DEF_F4 : Pseudo<(ops F4RC:$rD), "${:comment} IMPLICIT_DEF_F4 $rD",
295 [(set F4RC:$rD, (undef))]>;
297 // SELECT_CC_* - Used to implement the SELECT_CC DAG operation. Expanded by the
298 // scheduler into a branch sequence.
299 let usesCustomDAGSchedInserter = 1, // Expanded by the scheduler.
300 PPC970_Single = 1 in {
301 def SELECT_CC_I4 : Pseudo<(ops GPRC:$dst, CRRC:$cond, GPRC:$T, GPRC:$F,
302 i32imm:$BROPC), "${:comment} SELECT_CC PSEUDO!",
304 def SELECT_CC_I8 : Pseudo<(ops G8RC:$dst, CRRC:$cond, G8RC:$T, G8RC:$F,
305 i32imm:$BROPC), "${:comment} SELECT_CC PSEUDO!",
307 def SELECT_CC_F4 : Pseudo<(ops F4RC:$dst, CRRC:$cond, F4RC:$T, F4RC:$F,
308 i32imm:$BROPC), "${:comment} SELECT_CC PSEUDO!",
310 def SELECT_CC_F8 : Pseudo<(ops F8RC:$dst, CRRC:$cond, F8RC:$T, F8RC:$F,
311 i32imm:$BROPC), "${:comment} SELECT_CC PSEUDO!",
313 def SELECT_CC_VRRC: Pseudo<(ops VRRC:$dst, CRRC:$cond, VRRC:$T, VRRC:$F,
314 i32imm:$BROPC), "${:comment} SELECT_CC PSEUDO!",
318 let isTerminator = 1, isBarrier = 1, noResults = 1, PPC970_Unit = 7 in {
320 def BLR : XLForm_2_br<19, 16, 0,
322 "b${p:cc}lr ${p:reg}", BrB,
324 def BCTR : XLForm_2_ext<19, 528, 20, 0, 0, (ops), "bctr", BrB, []>;
329 def MovePCtoLR : Pseudo<(ops piclabel:$label), "bl $label", []>,
332 let isBranch = 1, isTerminator = 1, hasCtrlDep = 1,
333 noResults = 1, PPC970_Unit = 7 in {
334 // COND_BRANCH is formed before branch selection, it is turned into Bcc below.
335 def COND_BRANCH : Pseudo<(ops CRRC:$crS, u16imm:$opc, target:$dst),
336 "${:comment} COND_BRANCH $crS, $opc, $dst",
337 [(PPCcondbranch CRRC:$crS, imm:$opc, bb:$dst)]>;
338 let isBarrier = 1 in {
339 def B : IForm<18, 0, 0, (ops target:$dst),
344 def BLT : BForm<16, 0, 0, 12, 0, (ops CRRC:$crS, target:$block),
345 "blt $crS, $block", BrB>;
346 def BLE : BForm<16, 0, 0, 4, 1, (ops CRRC:$crS, target:$block),
347 "ble $crS, $block", BrB>;
348 def BEQ : BForm<16, 0, 0, 12, 2, (ops CRRC:$crS, target:$block),
349 "beq $crS, $block", BrB>;
350 def BGE : BForm<16, 0, 0, 4, 0, (ops CRRC:$crS, target:$block),
351 "bge $crS, $block", BrB>;
352 def BGT : BForm<16, 0, 0, 12, 1, (ops CRRC:$crS, target:$block),
353 "bgt $crS, $block", BrB>;
354 def BNE : BForm<16, 0, 0, 4, 2, (ops CRRC:$crS, target:$block),
355 "bne $crS, $block", BrB>;
356 def BUN : BForm<16, 0, 0, 12, 3, (ops CRRC:$crS, target:$block),
357 "bun $crS, $block", BrB>;
358 def BNU : BForm<16, 0, 0, 4, 3, (ops CRRC:$crS, target:$block),
359 "bnu $crS, $block", BrB>;
362 let isCall = 1, noResults = 1, PPC970_Unit = 7,
363 // All calls clobber the non-callee saved registers...
364 Defs = [R0,R2,R3,R4,R5,R6,R7,R8,R9,R10,R11,R12,
365 F0,F1,F2,F3,F4,F5,F6,F7,F8,F9,F10,F11,F12,F13,
366 V0,V1,V2,V3,V4,V5,V6,V7,V8,V9,V10,V11,V12,V13,V14,V15,V16,V17,V18,V19,
368 CR0,CR1,CR5,CR6,CR7] in {
369 // Convenient aliases for call instructions
370 def BL : IForm<18, 0, 1, (ops calltarget:$func, variable_ops),
371 "bl $func", BrB, []>; // See Pat patterns below.
372 def BLA : IForm<18, 1, 1, (ops aaddr:$func, variable_ops),
373 "bla $func", BrB, [(PPCcall (i32 imm:$func))]>;
374 def BCTRL : XLForm_2_ext<19, 528, 20, 0, 1, (ops variable_ops), "bctrl", BrB,
378 // DCB* instructions.
379 def DCBA : DCB_Form<758, 0, (ops memrr:$dst),
380 "dcba $dst", LdStDCBF, [(int_ppc_dcba xoaddr:$dst)]>,
381 PPC970_DGroup_Single;
382 def DCBF : DCB_Form<86, 0, (ops memrr:$dst),
383 "dcbf $dst", LdStDCBF, [(int_ppc_dcbf xoaddr:$dst)]>,
384 PPC970_DGroup_Single;
385 def DCBI : DCB_Form<470, 0, (ops memrr:$dst),
386 "dcbi $dst", LdStDCBF, [(int_ppc_dcbi xoaddr:$dst)]>,
387 PPC970_DGroup_Single;
388 def DCBST : DCB_Form<54, 0, (ops memrr:$dst),
389 "dcbst $dst", LdStDCBF, [(int_ppc_dcbst xoaddr:$dst)]>,
390 PPC970_DGroup_Single;
391 def DCBT : DCB_Form<278, 0, (ops memrr:$dst),
392 "dcbt $dst", LdStDCBF, [(int_ppc_dcbt xoaddr:$dst)]>,
393 PPC970_DGroup_Single;
394 def DCBTST : DCB_Form<246, 0, (ops memrr:$dst),
395 "dcbtst $dst", LdStDCBF, [(int_ppc_dcbtst xoaddr:$dst)]>,
396 PPC970_DGroup_Single;
397 def DCBZ : DCB_Form<1014, 0, (ops memrr:$dst),
398 "dcbz $dst", LdStDCBF, [(int_ppc_dcbz xoaddr:$dst)]>,
399 PPC970_DGroup_Single;
400 def DCBZL : DCB_Form<1014, 1, (ops memrr:$dst),
401 "dcbzl $dst", LdStDCBF, [(int_ppc_dcbzl xoaddr:$dst)]>,
402 PPC970_DGroup_Single;
404 // D-Form instructions. Most instructions that perform an operation on a
405 // register and an immediate are of this type.
407 let isLoad = 1, PPC970_Unit = 2 in {
408 def LBZ : DForm_1<34, (ops GPRC:$rD, memri:$src),
409 "lbz $rD, $src", LdStGeneral,
410 [(set GPRC:$rD, (zextloadi8 iaddr:$src))]>;
411 def LHA : DForm_1<42, (ops GPRC:$rD, memri:$src),
412 "lha $rD, $src", LdStLHA,
413 [(set GPRC:$rD, (sextloadi16 iaddr:$src))]>,
414 PPC970_DGroup_Cracked;
415 def LHZ : DForm_1<40, (ops GPRC:$rD, memri:$src),
416 "lhz $rD, $src", LdStGeneral,
417 [(set GPRC:$rD, (zextloadi16 iaddr:$src))]>;
418 def LWZ : DForm_1<32, (ops GPRC:$rD, memri:$src),
419 "lwz $rD, $src", LdStGeneral,
420 [(set GPRC:$rD, (load iaddr:$src))]>;
421 def LWZU : DForm_1<35, (ops GPRC:$rD, s16imm:$disp, GPRC:$rA),
422 "lwzu $rD, $disp($rA)", LdStGeneral,
425 let PPC970_Unit = 1 in { // FXU Operations.
426 def ADDI : DForm_2<14, (ops GPRC:$rD, GPRC:$rA, s16imm:$imm),
427 "addi $rD, $rA, $imm", IntGeneral,
428 [(set GPRC:$rD, (add GPRC:$rA, immSExt16:$imm))]>;
429 def ADDIC : DForm_2<12, (ops GPRC:$rD, GPRC:$rA, s16imm:$imm),
430 "addic $rD, $rA, $imm", IntGeneral,
431 [(set GPRC:$rD, (addc GPRC:$rA, immSExt16:$imm))]>,
432 PPC970_DGroup_Cracked;
433 def ADDICo : DForm_2<13, (ops GPRC:$rD, GPRC:$rA, s16imm:$imm),
434 "addic. $rD, $rA, $imm", IntGeneral,
436 def ADDIS : DForm_2<15, (ops GPRC:$rD, GPRC:$rA, symbolHi:$imm),
437 "addis $rD, $rA, $imm", IntGeneral,
438 [(set GPRC:$rD, (add GPRC:$rA, imm16ShiftedSExt:$imm))]>;
439 def LA : DForm_2<14, (ops GPRC:$rD, GPRC:$rA, symbolLo:$sym),
440 "la $rD, $sym($rA)", IntGeneral,
441 [(set GPRC:$rD, (add GPRC:$rA,
442 (PPClo tglobaladdr:$sym, 0)))]>;
443 def MULLI : DForm_2< 7, (ops GPRC:$rD, GPRC:$rA, s16imm:$imm),
444 "mulli $rD, $rA, $imm", IntMulLI,
445 [(set GPRC:$rD, (mul GPRC:$rA, immSExt16:$imm))]>;
446 def SUBFIC : DForm_2< 8, (ops GPRC:$rD, GPRC:$rA, s16imm:$imm),
447 "subfic $rD, $rA, $imm", IntGeneral,
448 [(set GPRC:$rD, (subc immSExt16:$imm, GPRC:$rA))]>;
449 def LI : DForm_2_r0<14, (ops GPRC:$rD, symbolLo:$imm),
450 "li $rD, $imm", IntGeneral,
451 [(set GPRC:$rD, immSExt16:$imm)]>;
452 def LIS : DForm_2_r0<15, (ops GPRC:$rD, symbolHi:$imm),
453 "lis $rD, $imm", IntGeneral,
454 [(set GPRC:$rD, imm16ShiftedSExt:$imm)]>;
456 let isStore = 1, noResults = 1, PPC970_Unit = 2 in {
457 def STB : DForm_3<38, (ops GPRC:$rS, memri:$src),
458 "stb $rS, $src", LdStGeneral,
459 [(truncstorei8 GPRC:$rS, iaddr:$src)]>;
460 def STH : DForm_3<44, (ops GPRC:$rS, memri:$src),
461 "sth $rS, $src", LdStGeneral,
462 [(truncstorei16 GPRC:$rS, iaddr:$src)]>;
463 def STW : DForm_3<36, (ops GPRC:$rS, memri:$src),
464 "stw $rS, $src", LdStGeneral,
465 [(store GPRC:$rS, iaddr:$src)]>;
466 def STWU : DForm_3<37, (ops GPRC:$rS, s16imm:$disp, GPRC:$rA),
467 "stwu $rS, $disp($rA)", LdStGeneral,
470 let PPC970_Unit = 1 in { // FXU Operations.
471 def ANDIo : DForm_4<28, (ops GPRC:$dst, GPRC:$src1, u16imm:$src2),
472 "andi. $dst, $src1, $src2", IntGeneral,
473 [(set GPRC:$dst, (and GPRC:$src1, immZExt16:$src2))]>,
475 def ANDISo : DForm_4<29, (ops GPRC:$dst, GPRC:$src1, u16imm:$src2),
476 "andis. $dst, $src1, $src2", IntGeneral,
477 [(set GPRC:$dst, (and GPRC:$src1,imm16ShiftedZExt:$src2))]>,
479 def ORI : DForm_4<24, (ops GPRC:$dst, GPRC:$src1, u16imm:$src2),
480 "ori $dst, $src1, $src2", IntGeneral,
481 [(set GPRC:$dst, (or GPRC:$src1, immZExt16:$src2))]>;
482 def ORIS : DForm_4<25, (ops GPRC:$dst, GPRC:$src1, u16imm:$src2),
483 "oris $dst, $src1, $src2", IntGeneral,
484 [(set GPRC:$dst, (or GPRC:$src1, imm16ShiftedZExt:$src2))]>;
485 def XORI : DForm_4<26, (ops GPRC:$dst, GPRC:$src1, u16imm:$src2),
486 "xori $dst, $src1, $src2", IntGeneral,
487 [(set GPRC:$dst, (xor GPRC:$src1, immZExt16:$src2))]>;
488 def XORIS : DForm_4<27, (ops GPRC:$dst, GPRC:$src1, u16imm:$src2),
489 "xoris $dst, $src1, $src2", IntGeneral,
490 [(set GPRC:$dst, (xor GPRC:$src1,imm16ShiftedZExt:$src2))]>;
491 def NOP : DForm_4_zero<24, (ops), "nop", IntGeneral,
493 def CMPWI : DForm_5_ext<11, (ops CRRC:$crD, GPRC:$rA, s16imm:$imm),
494 "cmpwi $crD, $rA, $imm", IntCompare>;
495 def CMPLWI : DForm_6_ext<10, (ops CRRC:$dst, GPRC:$src1, u16imm:$src2),
496 "cmplwi $dst, $src1, $src2", IntCompare>;
498 let isLoad = 1, PPC970_Unit = 2 in {
499 def LFS : DForm_8<48, (ops F4RC:$rD, memri:$src),
500 "lfs $rD, $src", LdStLFDU,
501 [(set F4RC:$rD, (load iaddr:$src))]>;
502 def LFD : DForm_8<50, (ops F8RC:$rD, memri:$src),
503 "lfd $rD, $src", LdStLFD,
504 [(set F8RC:$rD, (load iaddr:$src))]>;
506 let isStore = 1, noResults = 1, PPC970_Unit = 2 in {
507 def STFS : DForm_9<52, (ops F4RC:$rS, memri:$dst),
508 "stfs $rS, $dst", LdStUX,
509 [(store F4RC:$rS, iaddr:$dst)]>;
510 def STFD : DForm_9<54, (ops F8RC:$rS, memri:$dst),
511 "stfd $rS, $dst", LdStUX,
512 [(store F8RC:$rS, iaddr:$dst)]>;
515 // X-Form instructions. Most instructions that perform an operation on a
516 // register and another register are of this type.
518 let isLoad = 1, PPC970_Unit = 2 in {
519 def LBZX : XForm_1<31, 87, (ops GPRC:$rD, memrr:$src),
520 "lbzx $rD, $src", LdStGeneral,
521 [(set GPRC:$rD, (zextloadi8 xaddr:$src))]>;
522 def LHAX : XForm_1<31, 343, (ops GPRC:$rD, memrr:$src),
523 "lhax $rD, $src", LdStLHA,
524 [(set GPRC:$rD, (sextloadi16 xaddr:$src))]>,
525 PPC970_DGroup_Cracked;
526 def LHZX : XForm_1<31, 279, (ops GPRC:$rD, memrr:$src),
527 "lhzx $rD, $src", LdStGeneral,
528 [(set GPRC:$rD, (zextloadi16 xaddr:$src))]>;
529 def LWZX : XForm_1<31, 23, (ops GPRC:$rD, memrr:$src),
530 "lwzx $rD, $src", LdStGeneral,
531 [(set GPRC:$rD, (load xaddr:$src))]>;
534 def LHBRX : XForm_1<31, 790, (ops GPRC:$rD, memrr:$src),
535 "lhbrx $rD, $src", LdStGeneral,
536 [(set GPRC:$rD, (PPClbrx xoaddr:$src, srcvalue:$sv, i16))]>;
537 def LWBRX : XForm_1<31, 534, (ops GPRC:$rD, memrr:$src),
538 "lwbrx $rD, $src", LdStGeneral,
539 [(set GPRC:$rD, (PPClbrx xoaddr:$src, srcvalue:$sv, i32))]>;
543 let PPC970_Unit = 1 in { // FXU Operations.
544 def NAND : XForm_6<31, 476, (ops GPRC:$rA, GPRC:$rS, GPRC:$rB),
545 "nand $rA, $rS, $rB", IntGeneral,
546 [(set GPRC:$rA, (not (and GPRC:$rS, GPRC:$rB)))]>;
547 def AND : XForm_6<31, 28, (ops GPRC:$rA, GPRC:$rS, GPRC:$rB),
548 "and $rA, $rS, $rB", IntGeneral,
549 [(set GPRC:$rA, (and GPRC:$rS, GPRC:$rB))]>;
550 def ANDC : XForm_6<31, 60, (ops GPRC:$rA, GPRC:$rS, GPRC:$rB),
551 "andc $rA, $rS, $rB", IntGeneral,
552 [(set GPRC:$rA, (and GPRC:$rS, (not GPRC:$rB)))]>;
553 def OR : XForm_6<31, 444, (ops GPRC:$rA, GPRC:$rS, GPRC:$rB),
554 "or $rA, $rS, $rB", IntGeneral,
555 [(set GPRC:$rA, (or GPRC:$rS, GPRC:$rB))]>;
556 def NOR : XForm_6<31, 124, (ops GPRC:$rA, GPRC:$rS, GPRC:$rB),
557 "nor $rA, $rS, $rB", IntGeneral,
558 [(set GPRC:$rA, (not (or GPRC:$rS, GPRC:$rB)))]>;
559 def ORC : XForm_6<31, 412, (ops GPRC:$rA, GPRC:$rS, GPRC:$rB),
560 "orc $rA, $rS, $rB", IntGeneral,
561 [(set GPRC:$rA, (or GPRC:$rS, (not GPRC:$rB)))]>;
562 def EQV : XForm_6<31, 284, (ops GPRC:$rA, GPRC:$rS, GPRC:$rB),
563 "eqv $rA, $rS, $rB", IntGeneral,
564 [(set GPRC:$rA, (not (xor GPRC:$rS, GPRC:$rB)))]>;
565 def XOR : XForm_6<31, 316, (ops GPRC:$rA, GPRC:$rS, GPRC:$rB),
566 "xor $rA, $rS, $rB", IntGeneral,
567 [(set GPRC:$rA, (xor GPRC:$rS, GPRC:$rB))]>;
568 def SLW : XForm_6<31, 24, (ops GPRC:$rA, GPRC:$rS, GPRC:$rB),
569 "slw $rA, $rS, $rB", IntGeneral,
570 [(set GPRC:$rA, (PPCshl GPRC:$rS, GPRC:$rB))]>;
571 def SRW : XForm_6<31, 536, (ops GPRC:$rA, GPRC:$rS, GPRC:$rB),
572 "srw $rA, $rS, $rB", IntGeneral,
573 [(set GPRC:$rA, (PPCsrl GPRC:$rS, GPRC:$rB))]>;
574 def SRAW : XForm_6<31, 792, (ops GPRC:$rA, GPRC:$rS, GPRC:$rB),
575 "sraw $rA, $rS, $rB", IntShift,
576 [(set GPRC:$rA, (PPCsra GPRC:$rS, GPRC:$rB))]>;
578 let isStore = 1, noResults = 1, PPC970_Unit = 2 in {
579 def STBX : XForm_8<31, 215, (ops GPRC:$rS, memrr:$dst),
580 "stbx $rS, $dst", LdStGeneral,
581 [(truncstorei8 GPRC:$rS, xaddr:$dst)]>,
582 PPC970_DGroup_Cracked;
583 def STHX : XForm_8<31, 407, (ops GPRC:$rS, memrr:$dst),
584 "sthx $rS, $dst", LdStGeneral,
585 [(truncstorei16 GPRC:$rS, xaddr:$dst)]>,
586 PPC970_DGroup_Cracked;
587 def STWX : XForm_8<31, 151, (ops GPRC:$rS, memrr:$dst),
588 "stwx $rS, $dst", LdStGeneral,
589 [(store GPRC:$rS, xaddr:$dst)]>,
590 PPC970_DGroup_Cracked;
591 def STWUX : XForm_8<31, 183, (ops GPRC:$rS, GPRC:$rA, GPRC:$rB),
592 "stwux $rS, $rA, $rB", LdStGeneral,
594 def STHBRX: XForm_8<31, 918, (ops GPRC:$rS, memrr:$dst),
595 "sthbrx $rS, $dst", LdStGeneral,
596 [(PPCstbrx GPRC:$rS, xoaddr:$dst, srcvalue:$dummy, i16)]>,
597 PPC970_DGroup_Cracked;
598 def STWBRX: XForm_8<31, 662, (ops GPRC:$rS, memrr:$dst),
599 "stwbrx $rS, $dst", LdStGeneral,
600 [(PPCstbrx GPRC:$rS, xoaddr:$dst, srcvalue:$dummy, i32)]>,
601 PPC970_DGroup_Cracked;
603 let PPC970_Unit = 1 in { // FXU Operations.
604 def SRAWI : XForm_10<31, 824, (ops GPRC:$rA, GPRC:$rS, u5imm:$SH),
605 "srawi $rA, $rS, $SH", IntShift,
606 [(set GPRC:$rA, (sra GPRC:$rS, (i32 imm:$SH)))]>;
607 def CNTLZW : XForm_11<31, 26, (ops GPRC:$rA, GPRC:$rS),
608 "cntlzw $rA, $rS", IntGeneral,
609 [(set GPRC:$rA, (ctlz GPRC:$rS))]>;
610 def EXTSB : XForm_11<31, 954, (ops GPRC:$rA, GPRC:$rS),
611 "extsb $rA, $rS", IntGeneral,
612 [(set GPRC:$rA, (sext_inreg GPRC:$rS, i8))]>;
613 def EXTSH : XForm_11<31, 922, (ops GPRC:$rA, GPRC:$rS),
614 "extsh $rA, $rS", IntGeneral,
615 [(set GPRC:$rA, (sext_inreg GPRC:$rS, i16))]>;
617 def CMPW : XForm_16_ext<31, 0, (ops CRRC:$crD, GPRC:$rA, GPRC:$rB),
618 "cmpw $crD, $rA, $rB", IntCompare>;
619 def CMPLW : XForm_16_ext<31, 32, (ops CRRC:$crD, GPRC:$rA, GPRC:$rB),
620 "cmplw $crD, $rA, $rB", IntCompare>;
622 let PPC970_Unit = 3 in { // FPU Operations.
623 //def FCMPO : XForm_17<63, 32, (ops CRRC:$crD, FPRC:$fA, FPRC:$fB),
624 // "fcmpo $crD, $fA, $fB", FPCompare>;
625 def FCMPUS : XForm_17<63, 0, (ops CRRC:$crD, F4RC:$fA, F4RC:$fB),
626 "fcmpu $crD, $fA, $fB", FPCompare>;
627 def FCMPUD : XForm_17<63, 0, (ops CRRC:$crD, F8RC:$fA, F8RC:$fB),
628 "fcmpu $crD, $fA, $fB", FPCompare>;
630 let isLoad = 1, PPC970_Unit = 2 in {
631 def LFSX : XForm_25<31, 535, (ops F4RC:$frD, memrr:$src),
632 "lfsx $frD, $src", LdStLFDU,
633 [(set F4RC:$frD, (load xaddr:$src))]>;
634 def LFDX : XForm_25<31, 599, (ops F8RC:$frD, memrr:$src),
635 "lfdx $frD, $src", LdStLFDU,
636 [(set F8RC:$frD, (load xaddr:$src))]>;
638 let PPC970_Unit = 3 in { // FPU Operations.
639 def FCTIWZ : XForm_26<63, 15, (ops F8RC:$frD, F8RC:$frB),
640 "fctiwz $frD, $frB", FPGeneral,
641 [(set F8RC:$frD, (PPCfctiwz F8RC:$frB))]>;
642 def FRSP : XForm_26<63, 12, (ops F4RC:$frD, F8RC:$frB),
643 "frsp $frD, $frB", FPGeneral,
644 [(set F4RC:$frD, (fround F8RC:$frB))]>;
645 def FSQRT : XForm_26<63, 22, (ops F8RC:$frD, F8RC:$frB),
646 "fsqrt $frD, $frB", FPSqrt,
647 [(set F8RC:$frD, (fsqrt F8RC:$frB))]>;
648 def FSQRTS : XForm_26<59, 22, (ops F4RC:$frD, F4RC:$frB),
649 "fsqrts $frD, $frB", FPSqrt,
650 [(set F4RC:$frD, (fsqrt F4RC:$frB))]>;
653 /// FMR is split into 3 versions, one for 4/8 byte FP, and one for extending.
655 /// Note that these are defined as pseudo-ops on the PPC970 because they are
656 /// often coalesced away and we don't want the dispatch group builder to think
657 /// that they will fill slots (which could cause the load of a LSU reject to
658 /// sneak into a d-group with a store).
659 def FMRS : XForm_26<63, 72, (ops F4RC:$frD, F4RC:$frB),
660 "fmr $frD, $frB", FPGeneral,
661 []>, // (set F4RC:$frD, F4RC:$frB)
663 def FMRD : XForm_26<63, 72, (ops F8RC:$frD, F8RC:$frB),
664 "fmr $frD, $frB", FPGeneral,
665 []>, // (set F8RC:$frD, F8RC:$frB)
667 def FMRSD : XForm_26<63, 72, (ops F8RC:$frD, F4RC:$frB),
668 "fmr $frD, $frB", FPGeneral,
669 [(set F8RC:$frD, (fextend F4RC:$frB))]>,
672 let PPC970_Unit = 3 in { // FPU Operations.
673 // These are artificially split into two different forms, for 4/8 byte FP.
674 def FABSS : XForm_26<63, 264, (ops F4RC:$frD, F4RC:$frB),
675 "fabs $frD, $frB", FPGeneral,
676 [(set F4RC:$frD, (fabs F4RC:$frB))]>;
677 def FABSD : XForm_26<63, 264, (ops F8RC:$frD, F8RC:$frB),
678 "fabs $frD, $frB", FPGeneral,
679 [(set F8RC:$frD, (fabs F8RC:$frB))]>;
680 def FNABSS : XForm_26<63, 136, (ops F4RC:$frD, F4RC:$frB),
681 "fnabs $frD, $frB", FPGeneral,
682 [(set F4RC:$frD, (fneg (fabs F4RC:$frB)))]>;
683 def FNABSD : XForm_26<63, 136, (ops F8RC:$frD, F8RC:$frB),
684 "fnabs $frD, $frB", FPGeneral,
685 [(set F8RC:$frD, (fneg (fabs F8RC:$frB)))]>;
686 def FNEGS : XForm_26<63, 40, (ops F4RC:$frD, F4RC:$frB),
687 "fneg $frD, $frB", FPGeneral,
688 [(set F4RC:$frD, (fneg F4RC:$frB))]>;
689 def FNEGD : XForm_26<63, 40, (ops F8RC:$frD, F8RC:$frB),
690 "fneg $frD, $frB", FPGeneral,
691 [(set F8RC:$frD, (fneg F8RC:$frB))]>;
694 let isStore = 1, noResults = 1, PPC970_Unit = 2 in {
695 def STFIWX: XForm_28<31, 983, (ops F8RC:$frS, memrr:$dst),
696 "stfiwx $frS, $dst", LdStUX,
697 [(PPCstfiwx F8RC:$frS, xoaddr:$dst)]>;
698 def STFSX : XForm_28<31, 663, (ops F4RC:$frS, memrr:$dst),
699 "stfsx $frS, $dst", LdStUX,
700 [(store F4RC:$frS, xaddr:$dst)]>;
701 def STFDX : XForm_28<31, 727, (ops F8RC:$frS, memrr:$dst),
702 "stfdx $frS, $dst", LdStUX,
703 [(store F8RC:$frS, xaddr:$dst)]>;
706 // XL-Form instructions. condition register logical ops.
708 def MCRF : XLForm_3<19, 0, (ops CRRC:$BF, CRRC:$BFA),
709 "mcrf $BF, $BFA", BrMCR>,
710 PPC970_DGroup_First, PPC970_Unit_CRU;
712 // XFX-Form instructions. Instructions that deal with SPRs.
714 def MFCTR : XFXForm_1_ext<31, 339, 9, (ops GPRC:$rT), "mfctr $rT", SprMFSPR>,
715 PPC970_DGroup_First, PPC970_Unit_FXU;
716 let Pattern = [(PPCmtctr GPRC:$rS)] in {
717 def MTCTR : XFXForm_7_ext<31, 467, 9, (ops GPRC:$rS), "mtctr $rS", SprMTSPR>,
718 PPC970_DGroup_First, PPC970_Unit_FXU;
721 def MTLR : XFXForm_7_ext<31, 467, 8, (ops GPRC:$rS), "mtlr $rS", SprMTSPR>,
722 PPC970_DGroup_First, PPC970_Unit_FXU;
723 def MFLR : XFXForm_1_ext<31, 339, 8, (ops GPRC:$rT), "mflr $rT", SprMFSPR>,
724 PPC970_DGroup_First, PPC970_Unit_FXU;
726 // Move to/from VRSAVE: despite being a SPR, the VRSAVE register is renamed like
727 // a GPR on the PPC970. As such, copies in and out have the same performance
728 // characteristics as an OR instruction.
729 def MTVRSAVE : XFXForm_7_ext<31, 467, 256, (ops GPRC:$rS),
730 "mtspr 256, $rS", IntGeneral>,
731 PPC970_DGroup_Single, PPC970_Unit_FXU;
732 def MFVRSAVE : XFXForm_1_ext<31, 339, 256, (ops GPRC:$rT),
733 "mfspr $rT, 256", IntGeneral>,
734 PPC970_DGroup_First, PPC970_Unit_FXU;
736 def MTCRF : XFXForm_5<31, 144, (ops crbitm:$FXM, GPRC:$rS),
737 "mtcrf $FXM, $rS", BrMCRX>,
738 PPC970_MicroCode, PPC970_Unit_CRU;
739 def MFCR : XFXForm_3<31, 19, (ops GPRC:$rT), "mfcr $rT", SprMFCR>,
740 PPC970_MicroCode, PPC970_Unit_CRU;
741 def MFOCRF: XFXForm_5a<31, 19, (ops GPRC:$rT, crbitm:$FXM),
742 "mfcr $rT, $FXM", SprMFCR>,
743 PPC970_DGroup_First, PPC970_Unit_CRU;
745 let PPC970_Unit = 1 in { // FXU Operations.
747 // XO-Form instructions. Arithmetic instructions that can set overflow bit
749 def ADD4 : XOForm_1<31, 266, 0, (ops GPRC:$rT, GPRC:$rA, GPRC:$rB),
750 "add $rT, $rA, $rB", IntGeneral,
751 [(set GPRC:$rT, (add GPRC:$rA, GPRC:$rB))]>;
752 def ADDC : XOForm_1<31, 10, 0, (ops GPRC:$rT, GPRC:$rA, GPRC:$rB),
753 "addc $rT, $rA, $rB", IntGeneral,
754 [(set GPRC:$rT, (addc GPRC:$rA, GPRC:$rB))]>,
755 PPC970_DGroup_Cracked;
756 def ADDE : XOForm_1<31, 138, 0, (ops GPRC:$rT, GPRC:$rA, GPRC:$rB),
757 "adde $rT, $rA, $rB", IntGeneral,
758 [(set GPRC:$rT, (adde GPRC:$rA, GPRC:$rB))]>;
759 def DIVW : XOForm_1<31, 491, 0, (ops GPRC:$rT, GPRC:$rA, GPRC:$rB),
760 "divw $rT, $rA, $rB", IntDivW,
761 [(set GPRC:$rT, (sdiv GPRC:$rA, GPRC:$rB))]>,
762 PPC970_DGroup_First, PPC970_DGroup_Cracked;
763 def DIVWU : XOForm_1<31, 459, 0, (ops GPRC:$rT, GPRC:$rA, GPRC:$rB),
764 "divwu $rT, $rA, $rB", IntDivW,
765 [(set GPRC:$rT, (udiv GPRC:$rA, GPRC:$rB))]>,
766 PPC970_DGroup_First, PPC970_DGroup_Cracked;
767 def MULHW : XOForm_1<31, 75, 0, (ops GPRC:$rT, GPRC:$rA, GPRC:$rB),
768 "mulhw $rT, $rA, $rB", IntMulHW,
769 [(set GPRC:$rT, (mulhs GPRC:$rA, GPRC:$rB))]>;
770 def MULHWU : XOForm_1<31, 11, 0, (ops GPRC:$rT, GPRC:$rA, GPRC:$rB),
771 "mulhwu $rT, $rA, $rB", IntMulHWU,
772 [(set GPRC:$rT, (mulhu GPRC:$rA, GPRC:$rB))]>;
773 def MULLW : XOForm_1<31, 235, 0, (ops GPRC:$rT, GPRC:$rA, GPRC:$rB),
774 "mullw $rT, $rA, $rB", IntMulHW,
775 [(set GPRC:$rT, (mul GPRC:$rA, GPRC:$rB))]>;
776 def SUBF : XOForm_1<31, 40, 0, (ops GPRC:$rT, GPRC:$rA, GPRC:$rB),
777 "subf $rT, $rA, $rB", IntGeneral,
778 [(set GPRC:$rT, (sub GPRC:$rB, GPRC:$rA))]>;
779 def SUBFC : XOForm_1<31, 8, 0, (ops GPRC:$rT, GPRC:$rA, GPRC:$rB),
780 "subfc $rT, $rA, $rB", IntGeneral,
781 [(set GPRC:$rT, (subc GPRC:$rB, GPRC:$rA))]>,
782 PPC970_DGroup_Cracked;
783 def SUBFE : XOForm_1<31, 136, 0, (ops GPRC:$rT, GPRC:$rA, GPRC:$rB),
784 "subfe $rT, $rA, $rB", IntGeneral,
785 [(set GPRC:$rT, (sube GPRC:$rB, GPRC:$rA))]>;
786 def ADDME : XOForm_3<31, 234, 0, (ops GPRC:$rT, GPRC:$rA),
787 "addme $rT, $rA", IntGeneral,
788 [(set GPRC:$rT, (adde GPRC:$rA, immAllOnes))]>;
789 def ADDZE : XOForm_3<31, 202, 0, (ops GPRC:$rT, GPRC:$rA),
790 "addze $rT, $rA", IntGeneral,
791 [(set GPRC:$rT, (adde GPRC:$rA, 0))]>;
792 def NEG : XOForm_3<31, 104, 0, (ops GPRC:$rT, GPRC:$rA),
793 "neg $rT, $rA", IntGeneral,
794 [(set GPRC:$rT, (ineg GPRC:$rA))]>;
795 def SUBFME : XOForm_3<31, 232, 0, (ops GPRC:$rT, GPRC:$rA),
796 "subfme $rT, $rA", IntGeneral,
797 [(set GPRC:$rT, (sube immAllOnes, GPRC:$rA))]>;
798 def SUBFZE : XOForm_3<31, 200, 0, (ops GPRC:$rT, GPRC:$rA),
799 "subfze $rT, $rA", IntGeneral,
800 [(set GPRC:$rT, (sube 0, GPRC:$rA))]>;
803 // A-Form instructions. Most of the instructions executed in the FPU are of
806 let PPC970_Unit = 3 in { // FPU Operations.
807 def FMADD : AForm_1<63, 29,
808 (ops F8RC:$FRT, F8RC:$FRA, F8RC:$FRC, F8RC:$FRB),
809 "fmadd $FRT, $FRA, $FRC, $FRB", FPFused,
810 [(set F8RC:$FRT, (fadd (fmul F8RC:$FRA, F8RC:$FRC),
812 Requires<[FPContractions]>;
813 def FMADDS : AForm_1<59, 29,
814 (ops F4RC:$FRT, F4RC:$FRA, F4RC:$FRC, F4RC:$FRB),
815 "fmadds $FRT, $FRA, $FRC, $FRB", FPGeneral,
816 [(set F4RC:$FRT, (fadd (fmul F4RC:$FRA, F4RC:$FRC),
818 Requires<[FPContractions]>;
819 def FMSUB : AForm_1<63, 28,
820 (ops F8RC:$FRT, F8RC:$FRA, F8RC:$FRC, F8RC:$FRB),
821 "fmsub $FRT, $FRA, $FRC, $FRB", FPFused,
822 [(set F8RC:$FRT, (fsub (fmul F8RC:$FRA, F8RC:$FRC),
824 Requires<[FPContractions]>;
825 def FMSUBS : AForm_1<59, 28,
826 (ops F4RC:$FRT, F4RC:$FRA, F4RC:$FRC, F4RC:$FRB),
827 "fmsubs $FRT, $FRA, $FRC, $FRB", FPGeneral,
828 [(set F4RC:$FRT, (fsub (fmul F4RC:$FRA, F4RC:$FRC),
830 Requires<[FPContractions]>;
831 def FNMADD : AForm_1<63, 31,
832 (ops F8RC:$FRT, F8RC:$FRA, F8RC:$FRC, F8RC:$FRB),
833 "fnmadd $FRT, $FRA, $FRC, $FRB", FPFused,
834 [(set F8RC:$FRT, (fneg (fadd (fmul F8RC:$FRA, F8RC:$FRC),
836 Requires<[FPContractions]>;
837 def FNMADDS : AForm_1<59, 31,
838 (ops F4RC:$FRT, F4RC:$FRA, F4RC:$FRC, F4RC:$FRB),
839 "fnmadds $FRT, $FRA, $FRC, $FRB", FPGeneral,
840 [(set F4RC:$FRT, (fneg (fadd (fmul F4RC:$FRA, F4RC:$FRC),
842 Requires<[FPContractions]>;
843 def FNMSUB : AForm_1<63, 30,
844 (ops F8RC:$FRT, F8RC:$FRA, F8RC:$FRC, F8RC:$FRB),
845 "fnmsub $FRT, $FRA, $FRC, $FRB", FPFused,
846 [(set F8RC:$FRT, (fneg (fsub (fmul F8RC:$FRA, F8RC:$FRC),
848 Requires<[FPContractions]>;
849 def FNMSUBS : AForm_1<59, 30,
850 (ops F4RC:$FRT, F4RC:$FRA, F4RC:$FRC, F4RC:$FRB),
851 "fnmsubs $FRT, $FRA, $FRC, $FRB", FPGeneral,
852 [(set F4RC:$FRT, (fneg (fsub (fmul F4RC:$FRA, F4RC:$FRC),
854 Requires<[FPContractions]>;
855 // FSEL is artificially split into 4 and 8-byte forms for the result. To avoid
856 // having 4 of these, force the comparison to always be an 8-byte double (code
857 // should use an FMRSD if the input comparison value really wants to be a float)
858 // and 4/8 byte forms for the result and operand type..
859 def FSELD : AForm_1<63, 23,
860 (ops F8RC:$FRT, F8RC:$FRA, F8RC:$FRC, F8RC:$FRB),
861 "fsel $FRT, $FRA, $FRC, $FRB", FPGeneral,
862 [(set F8RC:$FRT, (PPCfsel F8RC:$FRA,F8RC:$FRC,F8RC:$FRB))]>;
863 def FSELS : AForm_1<63, 23,
864 (ops F4RC:$FRT, F8RC:$FRA, F4RC:$FRC, F4RC:$FRB),
865 "fsel $FRT, $FRA, $FRC, $FRB", FPGeneral,
866 [(set F4RC:$FRT, (PPCfsel F8RC:$FRA,F4RC:$FRC,F4RC:$FRB))]>;
867 def FADD : AForm_2<63, 21,
868 (ops F8RC:$FRT, F8RC:$FRA, F8RC:$FRB),
869 "fadd $FRT, $FRA, $FRB", FPGeneral,
870 [(set F8RC:$FRT, (fadd F8RC:$FRA, F8RC:$FRB))]>;
871 def FADDS : AForm_2<59, 21,
872 (ops F4RC:$FRT, F4RC:$FRA, F4RC:$FRB),
873 "fadds $FRT, $FRA, $FRB", FPGeneral,
874 [(set F4RC:$FRT, (fadd F4RC:$FRA, F4RC:$FRB))]>;
875 def FDIV : AForm_2<63, 18,
876 (ops F8RC:$FRT, F8RC:$FRA, F8RC:$FRB),
877 "fdiv $FRT, $FRA, $FRB", FPDivD,
878 [(set F8RC:$FRT, (fdiv F8RC:$FRA, F8RC:$FRB))]>;
879 def FDIVS : AForm_2<59, 18,
880 (ops F4RC:$FRT, F4RC:$FRA, F4RC:$FRB),
881 "fdivs $FRT, $FRA, $FRB", FPDivS,
882 [(set F4RC:$FRT, (fdiv F4RC:$FRA, F4RC:$FRB))]>;
883 def FMUL : AForm_3<63, 25,
884 (ops F8RC:$FRT, F8RC:$FRA, F8RC:$FRB),
885 "fmul $FRT, $FRA, $FRB", FPFused,
886 [(set F8RC:$FRT, (fmul F8RC:$FRA, F8RC:$FRB))]>;
887 def FMULS : AForm_3<59, 25,
888 (ops F4RC:$FRT, F4RC:$FRA, F4RC:$FRB),
889 "fmuls $FRT, $FRA, $FRB", FPGeneral,
890 [(set F4RC:$FRT, (fmul F4RC:$FRA, F4RC:$FRB))]>;
891 def FSUB : AForm_2<63, 20,
892 (ops F8RC:$FRT, F8RC:$FRA, F8RC:$FRB),
893 "fsub $FRT, $FRA, $FRB", FPGeneral,
894 [(set F8RC:$FRT, (fsub F8RC:$FRA, F8RC:$FRB))]>;
895 def FSUBS : AForm_2<59, 20,
896 (ops F4RC:$FRT, F4RC:$FRA, F4RC:$FRB),
897 "fsubs $FRT, $FRA, $FRB", FPGeneral,
898 [(set F4RC:$FRT, (fsub F4RC:$FRA, F4RC:$FRB))]>;
901 let PPC970_Unit = 1 in { // FXU Operations.
902 // M-Form instructions. rotate and mask instructions.
904 let isTwoAddress = 1, isCommutable = 1 in {
905 // RLWIMI can be commuted if the rotate amount is zero.
906 def RLWIMI : MForm_2<20,
907 (ops GPRC:$rA, GPRC:$rSi, GPRC:$rS, u5imm:$SH, u5imm:$MB,
908 u5imm:$ME), "rlwimi $rA, $rS, $SH, $MB, $ME", IntRotate,
909 []>, PPC970_DGroup_Cracked;
911 def RLWINM : MForm_2<21,
912 (ops GPRC:$rA, GPRC:$rS, u5imm:$SH, u5imm:$MB, u5imm:$ME),
913 "rlwinm $rA, $rS, $SH, $MB, $ME", IntGeneral,
915 def RLWINMo : MForm_2<21,
916 (ops GPRC:$rA, GPRC:$rS, u5imm:$SH, u5imm:$MB, u5imm:$ME),
917 "rlwinm. $rA, $rS, $SH, $MB, $ME", IntGeneral,
918 []>, isDOT, PPC970_DGroup_Cracked;
919 def RLWNM : MForm_2<23,
920 (ops GPRC:$rA, GPRC:$rS, GPRC:$rB, u5imm:$MB, u5imm:$ME),
921 "rlwnm $rA, $rS, $rB, $MB, $ME", IntGeneral,
926 //===----------------------------------------------------------------------===//
927 // DWARF Pseudo Instructions
930 def DWARF_LOC : Pseudo<(ops i32imm:$line, i32imm:$col, i32imm:$file),
931 "${:comment} .loc $file, $line, $col",
932 [(dwarf_loc (i32 imm:$line), (i32 imm:$col),
935 def DWARF_LABEL : Pseudo<(ops i32imm:$id),
936 "\n${:private}debug_loc$id:",
937 [(dwarf_label (i32 imm:$id))]>;
939 //===----------------------------------------------------------------------===//
940 // PowerPC Instruction Patterns
943 // Arbitrary immediate support. Implement in terms of LIS/ORI.
944 def : Pat<(i32 imm:$imm),
945 (ORI (LIS (HI16 imm:$imm)), (LO16 imm:$imm))>;
947 // Implement the 'not' operation with the NOR instruction.
948 def NOT : Pat<(not GPRC:$in),
949 (NOR GPRC:$in, GPRC:$in)>;
951 // ADD an arbitrary immediate.
952 def : Pat<(add GPRC:$in, imm:$imm),
953 (ADDIS (ADDI GPRC:$in, (LO16 imm:$imm)), (HA16 imm:$imm))>;
954 // OR an arbitrary immediate.
955 def : Pat<(or GPRC:$in, imm:$imm),
956 (ORIS (ORI GPRC:$in, (LO16 imm:$imm)), (HI16 imm:$imm))>;
957 // XOR an arbitrary immediate.
958 def : Pat<(xor GPRC:$in, imm:$imm),
959 (XORIS (XORI GPRC:$in, (LO16 imm:$imm)), (HI16 imm:$imm))>;
961 def : Pat<(sub immSExt16:$imm, GPRC:$in),
962 (SUBFIC GPRC:$in, imm:$imm)>;
964 // Return void support.
965 def : Pat<(ret), (BLR)>;
968 def : Pat<(shl GPRC:$in, (i32 imm:$imm)),
969 (RLWINM GPRC:$in, imm:$imm, 0, (SHL32 imm:$imm))>;
970 def : Pat<(srl GPRC:$in, (i32 imm:$imm)),
971 (RLWINM GPRC:$in, (SRL32 imm:$imm), imm:$imm, 31)>;
974 def : Pat<(rotl GPRC:$in, GPRC:$sh),
975 (RLWNM GPRC:$in, GPRC:$sh, 0, 31)>;
976 def : Pat<(rotl GPRC:$in, (i32 imm:$imm)),
977 (RLWINM GPRC:$in, imm:$imm, 0, 31)>;
980 def : Pat<(and (rotl GPRC:$in, GPRC:$sh), maskimm32:$imm),
981 (RLWNM GPRC:$in, GPRC:$sh, (MB maskimm32:$imm), (ME maskimm32:$imm))>;
984 def : Pat<(PPCcall tglobaladdr:$dst),
985 (BL tglobaladdr:$dst)>;
986 def : Pat<(PPCcall texternalsym:$dst),
987 (BL texternalsym:$dst)>;
989 // Hi and Lo for Darwin Global Addresses.
990 def : Pat<(PPChi tglobaladdr:$in, 0), (LIS tglobaladdr:$in)>;
991 def : Pat<(PPClo tglobaladdr:$in, 0), (LI tglobaladdr:$in)>;
992 def : Pat<(PPChi tconstpool:$in, 0), (LIS tconstpool:$in)>;
993 def : Pat<(PPClo tconstpool:$in, 0), (LI tconstpool:$in)>;
994 def : Pat<(PPChi tjumptable:$in, 0), (LIS tjumptable:$in)>;
995 def : Pat<(PPClo tjumptable:$in, 0), (LI tjumptable:$in)>;
996 def : Pat<(add GPRC:$in, (PPChi tglobaladdr:$g, 0)),
997 (ADDIS GPRC:$in, tglobaladdr:$g)>;
998 def : Pat<(add GPRC:$in, (PPChi tconstpool:$g, 0)),
999 (ADDIS GPRC:$in, tconstpool:$g)>;
1000 def : Pat<(add GPRC:$in, (PPChi tjumptable:$g, 0)),
1001 (ADDIS GPRC:$in, tjumptable:$g)>;
1003 // Fused negative multiply subtract, alternate pattern
1004 def : Pat<(fsub F8RC:$B, (fmul F8RC:$A, F8RC:$C)),
1005 (FNMSUB F8RC:$A, F8RC:$C, F8RC:$B)>,
1006 Requires<[FPContractions]>;
1007 def : Pat<(fsub F4RC:$B, (fmul F4RC:$A, F4RC:$C)),
1008 (FNMSUBS F4RC:$A, F4RC:$C, F4RC:$B)>,
1009 Requires<[FPContractions]>;
1011 // Standard shifts. These are represented separately from the real shifts above
1012 // so that we can distinguish between shifts that allow 5-bit and 6-bit shift
1014 def : Pat<(sra GPRC:$rS, GPRC:$rB),
1015 (SRAW GPRC:$rS, GPRC:$rB)>;
1016 def : Pat<(srl GPRC:$rS, GPRC:$rB),
1017 (SRW GPRC:$rS, GPRC:$rB)>;
1018 def : Pat<(shl GPRC:$rS, GPRC:$rB),
1019 (SLW GPRC:$rS, GPRC:$rB)>;
1021 def : Pat<(zextloadi1 iaddr:$src),
1023 def : Pat<(zextloadi1 xaddr:$src),
1025 def : Pat<(extloadi1 iaddr:$src),
1027 def : Pat<(extloadi1 xaddr:$src),
1029 def : Pat<(extloadi8 iaddr:$src),
1031 def : Pat<(extloadi8 xaddr:$src),
1033 def : Pat<(extloadi16 iaddr:$src),
1035 def : Pat<(extloadi16 xaddr:$src),
1037 def : Pat<(extloadf32 iaddr:$src),
1038 (FMRSD (LFS iaddr:$src))>;
1039 def : Pat<(extloadf32 xaddr:$src),
1040 (FMRSD (LFSX xaddr:$src))>;
1042 include "PPCInstrAltivec.td"
1043 include "PPCInstr64Bit.td"