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. 640 = ((20<<5)|0) = always, CR0 is a dummy reg
259 // that doesn't matter.
260 def pred : PredicateOperand<(ops imm, CRRC), (ops (i32 640), 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_ext<19, 16, 20, 0, 0,
322 "b${p:cc}lr ${p:reg}", BrB, [(retflag)]>;
323 def BCTR : XLForm_2_ext<19, 528, 20, 0, 0, (ops), "bctr", BrB, []>;
328 def MovePCtoLR : Pseudo<(ops piclabel:$label), "bl $label", []>,
331 let isBranch = 1, isTerminator = 1, hasCtrlDep = 1,
332 noResults = 1, PPC970_Unit = 7 in {
333 // COND_BRANCH is formed before branch selection, it is turned into Bcc below.
334 def COND_BRANCH : Pseudo<(ops CRRC:$crS, u16imm:$opc, target:$dst),
335 "${:comment} COND_BRANCH $crS, $opc, $dst",
336 [(PPCcondbranch CRRC:$crS, imm:$opc, bb:$dst)]>;
337 let isBarrier = 1 in {
338 def B : IForm<18, 0, 0, (ops target:$dst),
343 def BLT : BForm<16, 0, 0, 12, 0, (ops CRRC:$crS, target:$block),
344 "blt $crS, $block", BrB>;
345 def BLE : BForm<16, 0, 0, 4, 1, (ops CRRC:$crS, target:$block),
346 "ble $crS, $block", BrB>;
347 def BEQ : BForm<16, 0, 0, 12, 2, (ops CRRC:$crS, target:$block),
348 "beq $crS, $block", BrB>;
349 def BGE : BForm<16, 0, 0, 4, 0, (ops CRRC:$crS, target:$block),
350 "bge $crS, $block", BrB>;
351 def BGT : BForm<16, 0, 0, 12, 1, (ops CRRC:$crS, target:$block),
352 "bgt $crS, $block", BrB>;
353 def BNE : BForm<16, 0, 0, 4, 2, (ops CRRC:$crS, target:$block),
354 "bne $crS, $block", BrB>;
355 def BUN : BForm<16, 0, 0, 12, 3, (ops CRRC:$crS, target:$block),
356 "bun $crS, $block", BrB>;
357 def BNU : BForm<16, 0, 0, 4, 3, (ops CRRC:$crS, target:$block),
358 "bnu $crS, $block", BrB>;
361 let isCall = 1, noResults = 1, PPC970_Unit = 7,
362 // All calls clobber the non-callee saved registers...
363 Defs = [R0,R2,R3,R4,R5,R6,R7,R8,R9,R10,R11,R12,
364 F0,F1,F2,F3,F4,F5,F6,F7,F8,F9,F10,F11,F12,F13,
365 V0,V1,V2,V3,V4,V5,V6,V7,V8,V9,V10,V11,V12,V13,V14,V15,V16,V17,V18,V19,
367 CR0,CR1,CR5,CR6,CR7] in {
368 // Convenient aliases for call instructions
369 def BL : IForm<18, 0, 1, (ops calltarget:$func, variable_ops),
370 "bl $func", BrB, []>; // See Pat patterns below.
371 def BLA : IForm<18, 1, 1, (ops aaddr:$func, variable_ops),
372 "bla $func", BrB, [(PPCcall (i32 imm:$func))]>;
373 def BCTRL : XLForm_2_ext<19, 528, 20, 0, 1, (ops variable_ops), "bctrl", BrB,
377 // DCB* instructions.
378 def DCBA : DCB_Form<758, 0, (ops memrr:$dst),
379 "dcba $dst", LdStDCBF, [(int_ppc_dcba xoaddr:$dst)]>,
380 PPC970_DGroup_Single;
381 def DCBF : DCB_Form<86, 0, (ops memrr:$dst),
382 "dcbf $dst", LdStDCBF, [(int_ppc_dcbf xoaddr:$dst)]>,
383 PPC970_DGroup_Single;
384 def DCBI : DCB_Form<470, 0, (ops memrr:$dst),
385 "dcbi $dst", LdStDCBF, [(int_ppc_dcbi xoaddr:$dst)]>,
386 PPC970_DGroup_Single;
387 def DCBST : DCB_Form<54, 0, (ops memrr:$dst),
388 "dcbst $dst", LdStDCBF, [(int_ppc_dcbst xoaddr:$dst)]>,
389 PPC970_DGroup_Single;
390 def DCBT : DCB_Form<278, 0, (ops memrr:$dst),
391 "dcbt $dst", LdStDCBF, [(int_ppc_dcbt xoaddr:$dst)]>,
392 PPC970_DGroup_Single;
393 def DCBTST : DCB_Form<246, 0, (ops memrr:$dst),
394 "dcbtst $dst", LdStDCBF, [(int_ppc_dcbtst xoaddr:$dst)]>,
395 PPC970_DGroup_Single;
396 def DCBZ : DCB_Form<1014, 0, (ops memrr:$dst),
397 "dcbz $dst", LdStDCBF, [(int_ppc_dcbz xoaddr:$dst)]>,
398 PPC970_DGroup_Single;
399 def DCBZL : DCB_Form<1014, 1, (ops memrr:$dst),
400 "dcbzl $dst", LdStDCBF, [(int_ppc_dcbzl xoaddr:$dst)]>,
401 PPC970_DGroup_Single;
403 // D-Form instructions. Most instructions that perform an operation on a
404 // register and an immediate are of this type.
406 let isLoad = 1, PPC970_Unit = 2 in {
407 def LBZ : DForm_1<34, (ops GPRC:$rD, memri:$src),
408 "lbz $rD, $src", LdStGeneral,
409 [(set GPRC:$rD, (zextloadi8 iaddr:$src))]>;
410 def LHA : DForm_1<42, (ops GPRC:$rD, memri:$src),
411 "lha $rD, $src", LdStLHA,
412 [(set GPRC:$rD, (sextloadi16 iaddr:$src))]>,
413 PPC970_DGroup_Cracked;
414 def LHZ : DForm_1<40, (ops GPRC:$rD, memri:$src),
415 "lhz $rD, $src", LdStGeneral,
416 [(set GPRC:$rD, (zextloadi16 iaddr:$src))]>;
417 def LWZ : DForm_1<32, (ops GPRC:$rD, memri:$src),
418 "lwz $rD, $src", LdStGeneral,
419 [(set GPRC:$rD, (load iaddr:$src))]>;
420 def LWZU : DForm_1<35, (ops GPRC:$rD, s16imm:$disp, GPRC:$rA),
421 "lwzu $rD, $disp($rA)", LdStGeneral,
424 let PPC970_Unit = 1 in { // FXU Operations.
425 def ADDI : DForm_2<14, (ops GPRC:$rD, GPRC:$rA, s16imm:$imm),
426 "addi $rD, $rA, $imm", IntGeneral,
427 [(set GPRC:$rD, (add GPRC:$rA, immSExt16:$imm))]>;
428 def ADDIC : DForm_2<12, (ops GPRC:$rD, GPRC:$rA, s16imm:$imm),
429 "addic $rD, $rA, $imm", IntGeneral,
430 [(set GPRC:$rD, (addc GPRC:$rA, immSExt16:$imm))]>,
431 PPC970_DGroup_Cracked;
432 def ADDICo : DForm_2<13, (ops GPRC:$rD, GPRC:$rA, s16imm:$imm),
433 "addic. $rD, $rA, $imm", IntGeneral,
435 def ADDIS : DForm_2<15, (ops GPRC:$rD, GPRC:$rA, symbolHi:$imm),
436 "addis $rD, $rA, $imm", IntGeneral,
437 [(set GPRC:$rD, (add GPRC:$rA, imm16ShiftedSExt:$imm))]>;
438 def LA : DForm_2<14, (ops GPRC:$rD, GPRC:$rA, symbolLo:$sym),
439 "la $rD, $sym($rA)", IntGeneral,
440 [(set GPRC:$rD, (add GPRC:$rA,
441 (PPClo tglobaladdr:$sym, 0)))]>;
442 def MULLI : DForm_2< 7, (ops GPRC:$rD, GPRC:$rA, s16imm:$imm),
443 "mulli $rD, $rA, $imm", IntMulLI,
444 [(set GPRC:$rD, (mul GPRC:$rA, immSExt16:$imm))]>;
445 def SUBFIC : DForm_2< 8, (ops GPRC:$rD, GPRC:$rA, s16imm:$imm),
446 "subfic $rD, $rA, $imm", IntGeneral,
447 [(set GPRC:$rD, (subc immSExt16:$imm, GPRC:$rA))]>;
448 def LI : DForm_2_r0<14, (ops GPRC:$rD, symbolLo:$imm),
449 "li $rD, $imm", IntGeneral,
450 [(set GPRC:$rD, immSExt16:$imm)]>;
451 def LIS : DForm_2_r0<15, (ops GPRC:$rD, symbolHi:$imm),
452 "lis $rD, $imm", IntGeneral,
453 [(set GPRC:$rD, imm16ShiftedSExt:$imm)]>;
455 let isStore = 1, noResults = 1, PPC970_Unit = 2 in {
456 def STB : DForm_3<38, (ops GPRC:$rS, memri:$src),
457 "stb $rS, $src", LdStGeneral,
458 [(truncstorei8 GPRC:$rS, iaddr:$src)]>;
459 def STH : DForm_3<44, (ops GPRC:$rS, memri:$src),
460 "sth $rS, $src", LdStGeneral,
461 [(truncstorei16 GPRC:$rS, iaddr:$src)]>;
462 def STW : DForm_3<36, (ops GPRC:$rS, memri:$src),
463 "stw $rS, $src", LdStGeneral,
464 [(store GPRC:$rS, iaddr:$src)]>;
465 def STWU : DForm_3<37, (ops GPRC:$rS, s16imm:$disp, GPRC:$rA),
466 "stwu $rS, $disp($rA)", LdStGeneral,
469 let PPC970_Unit = 1 in { // FXU Operations.
470 def ANDIo : DForm_4<28, (ops GPRC:$dst, GPRC:$src1, u16imm:$src2),
471 "andi. $dst, $src1, $src2", IntGeneral,
472 [(set GPRC:$dst, (and GPRC:$src1, immZExt16:$src2))]>,
474 def ANDISo : DForm_4<29, (ops GPRC:$dst, GPRC:$src1, u16imm:$src2),
475 "andis. $dst, $src1, $src2", IntGeneral,
476 [(set GPRC:$dst, (and GPRC:$src1,imm16ShiftedZExt:$src2))]>,
478 def ORI : DForm_4<24, (ops GPRC:$dst, GPRC:$src1, u16imm:$src2),
479 "ori $dst, $src1, $src2", IntGeneral,
480 [(set GPRC:$dst, (or GPRC:$src1, immZExt16:$src2))]>;
481 def ORIS : DForm_4<25, (ops GPRC:$dst, GPRC:$src1, u16imm:$src2),
482 "oris $dst, $src1, $src2", IntGeneral,
483 [(set GPRC:$dst, (or GPRC:$src1, imm16ShiftedZExt:$src2))]>;
484 def XORI : DForm_4<26, (ops GPRC:$dst, GPRC:$src1, u16imm:$src2),
485 "xori $dst, $src1, $src2", IntGeneral,
486 [(set GPRC:$dst, (xor GPRC:$src1, immZExt16:$src2))]>;
487 def XORIS : DForm_4<27, (ops GPRC:$dst, GPRC:$src1, u16imm:$src2),
488 "xoris $dst, $src1, $src2", IntGeneral,
489 [(set GPRC:$dst, (xor GPRC:$src1,imm16ShiftedZExt:$src2))]>;
490 def NOP : DForm_4_zero<24, (ops), "nop", IntGeneral,
492 def CMPWI : DForm_5_ext<11, (ops CRRC:$crD, GPRC:$rA, s16imm:$imm),
493 "cmpwi $crD, $rA, $imm", IntCompare>;
494 def CMPLWI : DForm_6_ext<10, (ops CRRC:$dst, GPRC:$src1, u16imm:$src2),
495 "cmplwi $dst, $src1, $src2", IntCompare>;
497 let isLoad = 1, PPC970_Unit = 2 in {
498 def LFS : DForm_8<48, (ops F4RC:$rD, memri:$src),
499 "lfs $rD, $src", LdStLFDU,
500 [(set F4RC:$rD, (load iaddr:$src))]>;
501 def LFD : DForm_8<50, (ops F8RC:$rD, memri:$src),
502 "lfd $rD, $src", LdStLFD,
503 [(set F8RC:$rD, (load iaddr:$src))]>;
505 let isStore = 1, noResults = 1, PPC970_Unit = 2 in {
506 def STFS : DForm_9<52, (ops F4RC:$rS, memri:$dst),
507 "stfs $rS, $dst", LdStUX,
508 [(store F4RC:$rS, iaddr:$dst)]>;
509 def STFD : DForm_9<54, (ops F8RC:$rS, memri:$dst),
510 "stfd $rS, $dst", LdStUX,
511 [(store F8RC:$rS, iaddr:$dst)]>;
514 // X-Form instructions. Most instructions that perform an operation on a
515 // register and another register are of this type.
517 let isLoad = 1, PPC970_Unit = 2 in {
518 def LBZX : XForm_1<31, 87, (ops GPRC:$rD, memrr:$src),
519 "lbzx $rD, $src", LdStGeneral,
520 [(set GPRC:$rD, (zextloadi8 xaddr:$src))]>;
521 def LHAX : XForm_1<31, 343, (ops GPRC:$rD, memrr:$src),
522 "lhax $rD, $src", LdStLHA,
523 [(set GPRC:$rD, (sextloadi16 xaddr:$src))]>,
524 PPC970_DGroup_Cracked;
525 def LHZX : XForm_1<31, 279, (ops GPRC:$rD, memrr:$src),
526 "lhzx $rD, $src", LdStGeneral,
527 [(set GPRC:$rD, (zextloadi16 xaddr:$src))]>;
528 def LWZX : XForm_1<31, 23, (ops GPRC:$rD, memrr:$src),
529 "lwzx $rD, $src", LdStGeneral,
530 [(set GPRC:$rD, (load xaddr:$src))]>;
533 def LHBRX : XForm_1<31, 790, (ops GPRC:$rD, memrr:$src),
534 "lhbrx $rD, $src", LdStGeneral,
535 [(set GPRC:$rD, (PPClbrx xoaddr:$src, srcvalue:$sv, i16))]>;
536 def LWBRX : XForm_1<31, 534, (ops GPRC:$rD, memrr:$src),
537 "lwbrx $rD, $src", LdStGeneral,
538 [(set GPRC:$rD, (PPClbrx xoaddr:$src, srcvalue:$sv, i32))]>;
542 let PPC970_Unit = 1 in { // FXU Operations.
543 def NAND : XForm_6<31, 476, (ops GPRC:$rA, GPRC:$rS, GPRC:$rB),
544 "nand $rA, $rS, $rB", IntGeneral,
545 [(set GPRC:$rA, (not (and GPRC:$rS, GPRC:$rB)))]>;
546 def AND : XForm_6<31, 28, (ops GPRC:$rA, GPRC:$rS, GPRC:$rB),
547 "and $rA, $rS, $rB", IntGeneral,
548 [(set GPRC:$rA, (and GPRC:$rS, GPRC:$rB))]>;
549 def ANDC : XForm_6<31, 60, (ops GPRC:$rA, GPRC:$rS, GPRC:$rB),
550 "andc $rA, $rS, $rB", IntGeneral,
551 [(set GPRC:$rA, (and GPRC:$rS, (not GPRC:$rB)))]>;
552 def OR : XForm_6<31, 444, (ops GPRC:$rA, GPRC:$rS, GPRC:$rB),
553 "or $rA, $rS, $rB", IntGeneral,
554 [(set GPRC:$rA, (or GPRC:$rS, GPRC:$rB))]>;
555 def NOR : XForm_6<31, 124, (ops GPRC:$rA, GPRC:$rS, GPRC:$rB),
556 "nor $rA, $rS, $rB", IntGeneral,
557 [(set GPRC:$rA, (not (or GPRC:$rS, GPRC:$rB)))]>;
558 def ORC : XForm_6<31, 412, (ops GPRC:$rA, GPRC:$rS, GPRC:$rB),
559 "orc $rA, $rS, $rB", IntGeneral,
560 [(set GPRC:$rA, (or GPRC:$rS, (not GPRC:$rB)))]>;
561 def EQV : XForm_6<31, 284, (ops GPRC:$rA, GPRC:$rS, GPRC:$rB),
562 "eqv $rA, $rS, $rB", IntGeneral,
563 [(set GPRC:$rA, (not (xor GPRC:$rS, GPRC:$rB)))]>;
564 def XOR : XForm_6<31, 316, (ops GPRC:$rA, GPRC:$rS, GPRC:$rB),
565 "xor $rA, $rS, $rB", IntGeneral,
566 [(set GPRC:$rA, (xor GPRC:$rS, GPRC:$rB))]>;
567 def SLW : XForm_6<31, 24, (ops GPRC:$rA, GPRC:$rS, GPRC:$rB),
568 "slw $rA, $rS, $rB", IntGeneral,
569 [(set GPRC:$rA, (PPCshl GPRC:$rS, GPRC:$rB))]>;
570 def SRW : XForm_6<31, 536, (ops GPRC:$rA, GPRC:$rS, GPRC:$rB),
571 "srw $rA, $rS, $rB", IntGeneral,
572 [(set GPRC:$rA, (PPCsrl GPRC:$rS, GPRC:$rB))]>;
573 def SRAW : XForm_6<31, 792, (ops GPRC:$rA, GPRC:$rS, GPRC:$rB),
574 "sraw $rA, $rS, $rB", IntShift,
575 [(set GPRC:$rA, (PPCsra GPRC:$rS, GPRC:$rB))]>;
577 let isStore = 1, noResults = 1, PPC970_Unit = 2 in {
578 def STBX : XForm_8<31, 215, (ops GPRC:$rS, memrr:$dst),
579 "stbx $rS, $dst", LdStGeneral,
580 [(truncstorei8 GPRC:$rS, xaddr:$dst)]>,
581 PPC970_DGroup_Cracked;
582 def STHX : XForm_8<31, 407, (ops GPRC:$rS, memrr:$dst),
583 "sthx $rS, $dst", LdStGeneral,
584 [(truncstorei16 GPRC:$rS, xaddr:$dst)]>,
585 PPC970_DGroup_Cracked;
586 def STWX : XForm_8<31, 151, (ops GPRC:$rS, memrr:$dst),
587 "stwx $rS, $dst", LdStGeneral,
588 [(store GPRC:$rS, xaddr:$dst)]>,
589 PPC970_DGroup_Cracked;
590 def STWUX : XForm_8<31, 183, (ops GPRC:$rS, GPRC:$rA, GPRC:$rB),
591 "stwux $rS, $rA, $rB", LdStGeneral,
593 def STHBRX: XForm_8<31, 918, (ops GPRC:$rS, memrr:$dst),
594 "sthbrx $rS, $dst", LdStGeneral,
595 [(PPCstbrx GPRC:$rS, xoaddr:$dst, srcvalue:$dummy, i16)]>,
596 PPC970_DGroup_Cracked;
597 def STWBRX: XForm_8<31, 662, (ops GPRC:$rS, memrr:$dst),
598 "stwbrx $rS, $dst", LdStGeneral,
599 [(PPCstbrx GPRC:$rS, xoaddr:$dst, srcvalue:$dummy, i32)]>,
600 PPC970_DGroup_Cracked;
602 let PPC970_Unit = 1 in { // FXU Operations.
603 def SRAWI : XForm_10<31, 824, (ops GPRC:$rA, GPRC:$rS, u5imm:$SH),
604 "srawi $rA, $rS, $SH", IntShift,
605 [(set GPRC:$rA, (sra GPRC:$rS, (i32 imm:$SH)))]>;
606 def CNTLZW : XForm_11<31, 26, (ops GPRC:$rA, GPRC:$rS),
607 "cntlzw $rA, $rS", IntGeneral,
608 [(set GPRC:$rA, (ctlz GPRC:$rS))]>;
609 def EXTSB : XForm_11<31, 954, (ops GPRC:$rA, GPRC:$rS),
610 "extsb $rA, $rS", IntGeneral,
611 [(set GPRC:$rA, (sext_inreg GPRC:$rS, i8))]>;
612 def EXTSH : XForm_11<31, 922, (ops GPRC:$rA, GPRC:$rS),
613 "extsh $rA, $rS", IntGeneral,
614 [(set GPRC:$rA, (sext_inreg GPRC:$rS, i16))]>;
616 def CMPW : XForm_16_ext<31, 0, (ops CRRC:$crD, GPRC:$rA, GPRC:$rB),
617 "cmpw $crD, $rA, $rB", IntCompare>;
618 def CMPLW : XForm_16_ext<31, 32, (ops CRRC:$crD, GPRC:$rA, GPRC:$rB),
619 "cmplw $crD, $rA, $rB", IntCompare>;
621 let PPC970_Unit = 3 in { // FPU Operations.
622 //def FCMPO : XForm_17<63, 32, (ops CRRC:$crD, FPRC:$fA, FPRC:$fB),
623 // "fcmpo $crD, $fA, $fB", FPCompare>;
624 def FCMPUS : XForm_17<63, 0, (ops CRRC:$crD, F4RC:$fA, F4RC:$fB),
625 "fcmpu $crD, $fA, $fB", FPCompare>;
626 def FCMPUD : XForm_17<63, 0, (ops CRRC:$crD, F8RC:$fA, F8RC:$fB),
627 "fcmpu $crD, $fA, $fB", FPCompare>;
629 let isLoad = 1, PPC970_Unit = 2 in {
630 def LFSX : XForm_25<31, 535, (ops F4RC:$frD, memrr:$src),
631 "lfsx $frD, $src", LdStLFDU,
632 [(set F4RC:$frD, (load xaddr:$src))]>;
633 def LFDX : XForm_25<31, 599, (ops F8RC:$frD, memrr:$src),
634 "lfdx $frD, $src", LdStLFDU,
635 [(set F8RC:$frD, (load xaddr:$src))]>;
637 let PPC970_Unit = 3 in { // FPU Operations.
638 def FCTIWZ : XForm_26<63, 15, (ops F8RC:$frD, F8RC:$frB),
639 "fctiwz $frD, $frB", FPGeneral,
640 [(set F8RC:$frD, (PPCfctiwz F8RC:$frB))]>;
641 def FRSP : XForm_26<63, 12, (ops F4RC:$frD, F8RC:$frB),
642 "frsp $frD, $frB", FPGeneral,
643 [(set F4RC:$frD, (fround F8RC:$frB))]>;
644 def FSQRT : XForm_26<63, 22, (ops F8RC:$frD, F8RC:$frB),
645 "fsqrt $frD, $frB", FPSqrt,
646 [(set F8RC:$frD, (fsqrt F8RC:$frB))]>;
647 def FSQRTS : XForm_26<59, 22, (ops F4RC:$frD, F4RC:$frB),
648 "fsqrts $frD, $frB", FPSqrt,
649 [(set F4RC:$frD, (fsqrt F4RC:$frB))]>;
652 /// FMR is split into 3 versions, one for 4/8 byte FP, and one for extending.
654 /// Note that these are defined as pseudo-ops on the PPC970 because they are
655 /// often coalesced away and we don't want the dispatch group builder to think
656 /// that they will fill slots (which could cause the load of a LSU reject to
657 /// sneak into a d-group with a store).
658 def FMRS : XForm_26<63, 72, (ops F4RC:$frD, F4RC:$frB),
659 "fmr $frD, $frB", FPGeneral,
660 []>, // (set F4RC:$frD, F4RC:$frB)
662 def FMRD : XForm_26<63, 72, (ops F8RC:$frD, F8RC:$frB),
663 "fmr $frD, $frB", FPGeneral,
664 []>, // (set F8RC:$frD, F8RC:$frB)
666 def FMRSD : XForm_26<63, 72, (ops F8RC:$frD, F4RC:$frB),
667 "fmr $frD, $frB", FPGeneral,
668 [(set F8RC:$frD, (fextend F4RC:$frB))]>,
671 let PPC970_Unit = 3 in { // FPU Operations.
672 // These are artificially split into two different forms, for 4/8 byte FP.
673 def FABSS : XForm_26<63, 264, (ops F4RC:$frD, F4RC:$frB),
674 "fabs $frD, $frB", FPGeneral,
675 [(set F4RC:$frD, (fabs F4RC:$frB))]>;
676 def FABSD : XForm_26<63, 264, (ops F8RC:$frD, F8RC:$frB),
677 "fabs $frD, $frB", FPGeneral,
678 [(set F8RC:$frD, (fabs F8RC:$frB))]>;
679 def FNABSS : XForm_26<63, 136, (ops F4RC:$frD, F4RC:$frB),
680 "fnabs $frD, $frB", FPGeneral,
681 [(set F4RC:$frD, (fneg (fabs F4RC:$frB)))]>;
682 def FNABSD : XForm_26<63, 136, (ops F8RC:$frD, F8RC:$frB),
683 "fnabs $frD, $frB", FPGeneral,
684 [(set F8RC:$frD, (fneg (fabs F8RC:$frB)))]>;
685 def FNEGS : XForm_26<63, 40, (ops F4RC:$frD, F4RC:$frB),
686 "fneg $frD, $frB", FPGeneral,
687 [(set F4RC:$frD, (fneg F4RC:$frB))]>;
688 def FNEGD : XForm_26<63, 40, (ops F8RC:$frD, F8RC:$frB),
689 "fneg $frD, $frB", FPGeneral,
690 [(set F8RC:$frD, (fneg F8RC:$frB))]>;
693 let isStore = 1, noResults = 1, PPC970_Unit = 2 in {
694 def STFIWX: XForm_28<31, 983, (ops F8RC:$frS, memrr:$dst),
695 "stfiwx $frS, $dst", LdStUX,
696 [(PPCstfiwx F8RC:$frS, xoaddr:$dst)]>;
697 def STFSX : XForm_28<31, 663, (ops F4RC:$frS, memrr:$dst),
698 "stfsx $frS, $dst", LdStUX,
699 [(store F4RC:$frS, xaddr:$dst)]>;
700 def STFDX : XForm_28<31, 727, (ops F8RC:$frS, memrr:$dst),
701 "stfdx $frS, $dst", LdStUX,
702 [(store F8RC:$frS, xaddr:$dst)]>;
705 // XL-Form instructions. condition register logical ops.
707 def MCRF : XLForm_3<19, 0, (ops CRRC:$BF, CRRC:$BFA),
708 "mcrf $BF, $BFA", BrMCR>,
709 PPC970_DGroup_First, PPC970_Unit_CRU;
711 // XFX-Form instructions. Instructions that deal with SPRs.
713 def MFCTR : XFXForm_1_ext<31, 339, 9, (ops GPRC:$rT), "mfctr $rT", SprMFSPR>,
714 PPC970_DGroup_First, PPC970_Unit_FXU;
715 let Pattern = [(PPCmtctr GPRC:$rS)] in {
716 def MTCTR : XFXForm_7_ext<31, 467, 9, (ops GPRC:$rS), "mtctr $rS", SprMTSPR>,
717 PPC970_DGroup_First, PPC970_Unit_FXU;
720 def MTLR : XFXForm_7_ext<31, 467, 8, (ops GPRC:$rS), "mtlr $rS", SprMTSPR>,
721 PPC970_DGroup_First, PPC970_Unit_FXU;
722 def MFLR : XFXForm_1_ext<31, 339, 8, (ops GPRC:$rT), "mflr $rT", SprMFSPR>,
723 PPC970_DGroup_First, PPC970_Unit_FXU;
725 // Move to/from VRSAVE: despite being a SPR, the VRSAVE register is renamed like
726 // a GPR on the PPC970. As such, copies in and out have the same performance
727 // characteristics as an OR instruction.
728 def MTVRSAVE : XFXForm_7_ext<31, 467, 256, (ops GPRC:$rS),
729 "mtspr 256, $rS", IntGeneral>,
730 PPC970_DGroup_Single, PPC970_Unit_FXU;
731 def MFVRSAVE : XFXForm_1_ext<31, 339, 256, (ops GPRC:$rT),
732 "mfspr $rT, 256", IntGeneral>,
733 PPC970_DGroup_First, PPC970_Unit_FXU;
735 def MTCRF : XFXForm_5<31, 144, (ops crbitm:$FXM, GPRC:$rS),
736 "mtcrf $FXM, $rS", BrMCRX>,
737 PPC970_MicroCode, PPC970_Unit_CRU;
738 def MFCR : XFXForm_3<31, 19, (ops GPRC:$rT), "mfcr $rT", SprMFCR>,
739 PPC970_MicroCode, PPC970_Unit_CRU;
740 def MFOCRF: XFXForm_5a<31, 19, (ops GPRC:$rT, crbitm:$FXM),
741 "mfcr $rT, $FXM", SprMFCR>,
742 PPC970_DGroup_First, PPC970_Unit_CRU;
744 let PPC970_Unit = 1 in { // FXU Operations.
746 // XO-Form instructions. Arithmetic instructions that can set overflow bit
748 def ADD4 : XOForm_1<31, 266, 0, (ops GPRC:$rT, GPRC:$rA, GPRC:$rB),
749 "add $rT, $rA, $rB", IntGeneral,
750 [(set GPRC:$rT, (add GPRC:$rA, GPRC:$rB))]>;
751 def ADDC : XOForm_1<31, 10, 0, (ops GPRC:$rT, GPRC:$rA, GPRC:$rB),
752 "addc $rT, $rA, $rB", IntGeneral,
753 [(set GPRC:$rT, (addc GPRC:$rA, GPRC:$rB))]>,
754 PPC970_DGroup_Cracked;
755 def ADDE : XOForm_1<31, 138, 0, (ops GPRC:$rT, GPRC:$rA, GPRC:$rB),
756 "adde $rT, $rA, $rB", IntGeneral,
757 [(set GPRC:$rT, (adde GPRC:$rA, GPRC:$rB))]>;
758 def DIVW : XOForm_1<31, 491, 0, (ops GPRC:$rT, GPRC:$rA, GPRC:$rB),
759 "divw $rT, $rA, $rB", IntDivW,
760 [(set GPRC:$rT, (sdiv GPRC:$rA, GPRC:$rB))]>,
761 PPC970_DGroup_First, PPC970_DGroup_Cracked;
762 def DIVWU : XOForm_1<31, 459, 0, (ops GPRC:$rT, GPRC:$rA, GPRC:$rB),
763 "divwu $rT, $rA, $rB", IntDivW,
764 [(set GPRC:$rT, (udiv GPRC:$rA, GPRC:$rB))]>,
765 PPC970_DGroup_First, PPC970_DGroup_Cracked;
766 def MULHW : XOForm_1<31, 75, 0, (ops GPRC:$rT, GPRC:$rA, GPRC:$rB),
767 "mulhw $rT, $rA, $rB", IntMulHW,
768 [(set GPRC:$rT, (mulhs GPRC:$rA, GPRC:$rB))]>;
769 def MULHWU : XOForm_1<31, 11, 0, (ops GPRC:$rT, GPRC:$rA, GPRC:$rB),
770 "mulhwu $rT, $rA, $rB", IntMulHWU,
771 [(set GPRC:$rT, (mulhu GPRC:$rA, GPRC:$rB))]>;
772 def MULLW : XOForm_1<31, 235, 0, (ops GPRC:$rT, GPRC:$rA, GPRC:$rB),
773 "mullw $rT, $rA, $rB", IntMulHW,
774 [(set GPRC:$rT, (mul GPRC:$rA, GPRC:$rB))]>;
775 def SUBF : XOForm_1<31, 40, 0, (ops GPRC:$rT, GPRC:$rA, GPRC:$rB),
776 "subf $rT, $rA, $rB", IntGeneral,
777 [(set GPRC:$rT, (sub GPRC:$rB, GPRC:$rA))]>;
778 def SUBFC : XOForm_1<31, 8, 0, (ops GPRC:$rT, GPRC:$rA, GPRC:$rB),
779 "subfc $rT, $rA, $rB", IntGeneral,
780 [(set GPRC:$rT, (subc GPRC:$rB, GPRC:$rA))]>,
781 PPC970_DGroup_Cracked;
782 def SUBFE : XOForm_1<31, 136, 0, (ops GPRC:$rT, GPRC:$rA, GPRC:$rB),
783 "subfe $rT, $rA, $rB", IntGeneral,
784 [(set GPRC:$rT, (sube GPRC:$rB, GPRC:$rA))]>;
785 def ADDME : XOForm_3<31, 234, 0, (ops GPRC:$rT, GPRC:$rA),
786 "addme $rT, $rA", IntGeneral,
787 [(set GPRC:$rT, (adde GPRC:$rA, immAllOnes))]>;
788 def ADDZE : XOForm_3<31, 202, 0, (ops GPRC:$rT, GPRC:$rA),
789 "addze $rT, $rA", IntGeneral,
790 [(set GPRC:$rT, (adde GPRC:$rA, 0))]>;
791 def NEG : XOForm_3<31, 104, 0, (ops GPRC:$rT, GPRC:$rA),
792 "neg $rT, $rA", IntGeneral,
793 [(set GPRC:$rT, (ineg GPRC:$rA))]>;
794 def SUBFME : XOForm_3<31, 232, 0, (ops GPRC:$rT, GPRC:$rA),
795 "subfme $rT, $rA", IntGeneral,
796 [(set GPRC:$rT, (sube immAllOnes, GPRC:$rA))]>;
797 def SUBFZE : XOForm_3<31, 200, 0, (ops GPRC:$rT, GPRC:$rA),
798 "subfze $rT, $rA", IntGeneral,
799 [(set GPRC:$rT, (sube 0, GPRC:$rA))]>;
802 // A-Form instructions. Most of the instructions executed in the FPU are of
805 let PPC970_Unit = 3 in { // FPU Operations.
806 def FMADD : AForm_1<63, 29,
807 (ops F8RC:$FRT, F8RC:$FRA, F8RC:$FRC, F8RC:$FRB),
808 "fmadd $FRT, $FRA, $FRC, $FRB", FPFused,
809 [(set F8RC:$FRT, (fadd (fmul F8RC:$FRA, F8RC:$FRC),
811 Requires<[FPContractions]>;
812 def FMADDS : AForm_1<59, 29,
813 (ops F4RC:$FRT, F4RC:$FRA, F4RC:$FRC, F4RC:$FRB),
814 "fmadds $FRT, $FRA, $FRC, $FRB", FPGeneral,
815 [(set F4RC:$FRT, (fadd (fmul F4RC:$FRA, F4RC:$FRC),
817 Requires<[FPContractions]>;
818 def FMSUB : AForm_1<63, 28,
819 (ops F8RC:$FRT, F8RC:$FRA, F8RC:$FRC, F8RC:$FRB),
820 "fmsub $FRT, $FRA, $FRC, $FRB", FPFused,
821 [(set F8RC:$FRT, (fsub (fmul F8RC:$FRA, F8RC:$FRC),
823 Requires<[FPContractions]>;
824 def FMSUBS : AForm_1<59, 28,
825 (ops F4RC:$FRT, F4RC:$FRA, F4RC:$FRC, F4RC:$FRB),
826 "fmsubs $FRT, $FRA, $FRC, $FRB", FPGeneral,
827 [(set F4RC:$FRT, (fsub (fmul F4RC:$FRA, F4RC:$FRC),
829 Requires<[FPContractions]>;
830 def FNMADD : AForm_1<63, 31,
831 (ops F8RC:$FRT, F8RC:$FRA, F8RC:$FRC, F8RC:$FRB),
832 "fnmadd $FRT, $FRA, $FRC, $FRB", FPFused,
833 [(set F8RC:$FRT, (fneg (fadd (fmul F8RC:$FRA, F8RC:$FRC),
835 Requires<[FPContractions]>;
836 def FNMADDS : AForm_1<59, 31,
837 (ops F4RC:$FRT, F4RC:$FRA, F4RC:$FRC, F4RC:$FRB),
838 "fnmadds $FRT, $FRA, $FRC, $FRB", FPGeneral,
839 [(set F4RC:$FRT, (fneg (fadd (fmul F4RC:$FRA, F4RC:$FRC),
841 Requires<[FPContractions]>;
842 def FNMSUB : AForm_1<63, 30,
843 (ops F8RC:$FRT, F8RC:$FRA, F8RC:$FRC, F8RC:$FRB),
844 "fnmsub $FRT, $FRA, $FRC, $FRB", FPFused,
845 [(set F8RC:$FRT, (fneg (fsub (fmul F8RC:$FRA, F8RC:$FRC),
847 Requires<[FPContractions]>;
848 def FNMSUBS : AForm_1<59, 30,
849 (ops F4RC:$FRT, F4RC:$FRA, F4RC:$FRC, F4RC:$FRB),
850 "fnmsubs $FRT, $FRA, $FRC, $FRB", FPGeneral,
851 [(set F4RC:$FRT, (fneg (fsub (fmul F4RC:$FRA, F4RC:$FRC),
853 Requires<[FPContractions]>;
854 // FSEL is artificially split into 4 and 8-byte forms for the result. To avoid
855 // having 4 of these, force the comparison to always be an 8-byte double (code
856 // should use an FMRSD if the input comparison value really wants to be a float)
857 // and 4/8 byte forms for the result and operand type..
858 def FSELD : AForm_1<63, 23,
859 (ops F8RC:$FRT, F8RC:$FRA, F8RC:$FRC, F8RC:$FRB),
860 "fsel $FRT, $FRA, $FRC, $FRB", FPGeneral,
861 [(set F8RC:$FRT, (PPCfsel F8RC:$FRA,F8RC:$FRC,F8RC:$FRB))]>;
862 def FSELS : AForm_1<63, 23,
863 (ops F4RC:$FRT, F8RC:$FRA, F4RC:$FRC, F4RC:$FRB),
864 "fsel $FRT, $FRA, $FRC, $FRB", FPGeneral,
865 [(set F4RC:$FRT, (PPCfsel F8RC:$FRA,F4RC:$FRC,F4RC:$FRB))]>;
866 def FADD : AForm_2<63, 21,
867 (ops F8RC:$FRT, F8RC:$FRA, F8RC:$FRB),
868 "fadd $FRT, $FRA, $FRB", FPGeneral,
869 [(set F8RC:$FRT, (fadd F8RC:$FRA, F8RC:$FRB))]>;
870 def FADDS : AForm_2<59, 21,
871 (ops F4RC:$FRT, F4RC:$FRA, F4RC:$FRB),
872 "fadds $FRT, $FRA, $FRB", FPGeneral,
873 [(set F4RC:$FRT, (fadd F4RC:$FRA, F4RC:$FRB))]>;
874 def FDIV : AForm_2<63, 18,
875 (ops F8RC:$FRT, F8RC:$FRA, F8RC:$FRB),
876 "fdiv $FRT, $FRA, $FRB", FPDivD,
877 [(set F8RC:$FRT, (fdiv F8RC:$FRA, F8RC:$FRB))]>;
878 def FDIVS : AForm_2<59, 18,
879 (ops F4RC:$FRT, F4RC:$FRA, F4RC:$FRB),
880 "fdivs $FRT, $FRA, $FRB", FPDivS,
881 [(set F4RC:$FRT, (fdiv F4RC:$FRA, F4RC:$FRB))]>;
882 def FMUL : AForm_3<63, 25,
883 (ops F8RC:$FRT, F8RC:$FRA, F8RC:$FRB),
884 "fmul $FRT, $FRA, $FRB", FPFused,
885 [(set F8RC:$FRT, (fmul F8RC:$FRA, F8RC:$FRB))]>;
886 def FMULS : AForm_3<59, 25,
887 (ops F4RC:$FRT, F4RC:$FRA, F4RC:$FRB),
888 "fmuls $FRT, $FRA, $FRB", FPGeneral,
889 [(set F4RC:$FRT, (fmul F4RC:$FRA, F4RC:$FRB))]>;
890 def FSUB : AForm_2<63, 20,
891 (ops F8RC:$FRT, F8RC:$FRA, F8RC:$FRB),
892 "fsub $FRT, $FRA, $FRB", FPGeneral,
893 [(set F8RC:$FRT, (fsub F8RC:$FRA, F8RC:$FRB))]>;
894 def FSUBS : AForm_2<59, 20,
895 (ops F4RC:$FRT, F4RC:$FRA, F4RC:$FRB),
896 "fsubs $FRT, $FRA, $FRB", FPGeneral,
897 [(set F4RC:$FRT, (fsub F4RC:$FRA, F4RC:$FRB))]>;
900 let PPC970_Unit = 1 in { // FXU Operations.
901 // M-Form instructions. rotate and mask instructions.
903 let isTwoAddress = 1, isCommutable = 1 in {
904 // RLWIMI can be commuted if the rotate amount is zero.
905 def RLWIMI : MForm_2<20,
906 (ops GPRC:$rA, GPRC:$rSi, GPRC:$rS, u5imm:$SH, u5imm:$MB,
907 u5imm:$ME), "rlwimi $rA, $rS, $SH, $MB, $ME", IntRotate,
908 []>, PPC970_DGroup_Cracked;
910 def RLWINM : MForm_2<21,
911 (ops GPRC:$rA, GPRC:$rS, u5imm:$SH, u5imm:$MB, u5imm:$ME),
912 "rlwinm $rA, $rS, $SH, $MB, $ME", IntGeneral,
914 def RLWINMo : MForm_2<21,
915 (ops GPRC:$rA, GPRC:$rS, u5imm:$SH, u5imm:$MB, u5imm:$ME),
916 "rlwinm. $rA, $rS, $SH, $MB, $ME", IntGeneral,
917 []>, isDOT, PPC970_DGroup_Cracked;
918 def RLWNM : MForm_2<23,
919 (ops GPRC:$rA, GPRC:$rS, GPRC:$rB, u5imm:$MB, u5imm:$ME),
920 "rlwnm $rA, $rS, $rB, $MB, $ME", IntGeneral,
925 //===----------------------------------------------------------------------===//
926 // DWARF Pseudo Instructions
929 def DWARF_LOC : Pseudo<(ops i32imm:$line, i32imm:$col, i32imm:$file),
930 "${:comment} .loc $file, $line, $col",
931 [(dwarf_loc (i32 imm:$line), (i32 imm:$col),
934 def DWARF_LABEL : Pseudo<(ops i32imm:$id),
935 "\n${:private}debug_loc$id:",
936 [(dwarf_label (i32 imm:$id))]>;
938 //===----------------------------------------------------------------------===//
939 // PowerPC Instruction Patterns
942 // Arbitrary immediate support. Implement in terms of LIS/ORI.
943 def : Pat<(i32 imm:$imm),
944 (ORI (LIS (HI16 imm:$imm)), (LO16 imm:$imm))>;
946 // Implement the 'not' operation with the NOR instruction.
947 def NOT : Pat<(not GPRC:$in),
948 (NOR GPRC:$in, GPRC:$in)>;
950 // ADD an arbitrary immediate.
951 def : Pat<(add GPRC:$in, imm:$imm),
952 (ADDIS (ADDI GPRC:$in, (LO16 imm:$imm)), (HA16 imm:$imm))>;
953 // OR an arbitrary immediate.
954 def : Pat<(or GPRC:$in, imm:$imm),
955 (ORIS (ORI GPRC:$in, (LO16 imm:$imm)), (HI16 imm:$imm))>;
956 // XOR an arbitrary immediate.
957 def : Pat<(xor GPRC:$in, imm:$imm),
958 (XORIS (XORI GPRC:$in, (LO16 imm:$imm)), (HI16 imm:$imm))>;
960 def : Pat<(sub immSExt16:$imm, GPRC:$in),
961 (SUBFIC GPRC:$in, imm:$imm)>;
963 // Return void support.
964 def : Pat<(ret), (BLR)>;
967 def : Pat<(shl GPRC:$in, (i32 imm:$imm)),
968 (RLWINM GPRC:$in, imm:$imm, 0, (SHL32 imm:$imm))>;
969 def : Pat<(srl GPRC:$in, (i32 imm:$imm)),
970 (RLWINM GPRC:$in, (SRL32 imm:$imm), imm:$imm, 31)>;
973 def : Pat<(rotl GPRC:$in, GPRC:$sh),
974 (RLWNM GPRC:$in, GPRC:$sh, 0, 31)>;
975 def : Pat<(rotl GPRC:$in, (i32 imm:$imm)),
976 (RLWINM GPRC:$in, imm:$imm, 0, 31)>;
979 def : Pat<(and (rotl GPRC:$in, GPRC:$sh), maskimm32:$imm),
980 (RLWNM GPRC:$in, GPRC:$sh, (MB maskimm32:$imm), (ME maskimm32:$imm))>;
983 def : Pat<(PPCcall tglobaladdr:$dst),
984 (BL tglobaladdr:$dst)>;
985 def : Pat<(PPCcall texternalsym:$dst),
986 (BL texternalsym:$dst)>;
988 // Hi and Lo for Darwin Global Addresses.
989 def : Pat<(PPChi tglobaladdr:$in, 0), (LIS tglobaladdr:$in)>;
990 def : Pat<(PPClo tglobaladdr:$in, 0), (LI tglobaladdr:$in)>;
991 def : Pat<(PPChi tconstpool:$in, 0), (LIS tconstpool:$in)>;
992 def : Pat<(PPClo tconstpool:$in, 0), (LI tconstpool:$in)>;
993 def : Pat<(PPChi tjumptable:$in, 0), (LIS tjumptable:$in)>;
994 def : Pat<(PPClo tjumptable:$in, 0), (LI tjumptable:$in)>;
995 def : Pat<(add GPRC:$in, (PPChi tglobaladdr:$g, 0)),
996 (ADDIS GPRC:$in, tglobaladdr:$g)>;
997 def : Pat<(add GPRC:$in, (PPChi tconstpool:$g, 0)),
998 (ADDIS GPRC:$in, tconstpool:$g)>;
999 def : Pat<(add GPRC:$in, (PPChi tjumptable:$g, 0)),
1000 (ADDIS GPRC:$in, tjumptable:$g)>;
1002 // Fused negative multiply subtract, alternate pattern
1003 def : Pat<(fsub F8RC:$B, (fmul F8RC:$A, F8RC:$C)),
1004 (FNMSUB F8RC:$A, F8RC:$C, F8RC:$B)>,
1005 Requires<[FPContractions]>;
1006 def : Pat<(fsub F4RC:$B, (fmul F4RC:$A, F4RC:$C)),
1007 (FNMSUBS F4RC:$A, F4RC:$C, F4RC:$B)>,
1008 Requires<[FPContractions]>;
1010 // Standard shifts. These are represented separately from the real shifts above
1011 // so that we can distinguish between shifts that allow 5-bit and 6-bit shift
1013 def : Pat<(sra GPRC:$rS, GPRC:$rB),
1014 (SRAW GPRC:$rS, GPRC:$rB)>;
1015 def : Pat<(srl GPRC:$rS, GPRC:$rB),
1016 (SRW GPRC:$rS, GPRC:$rB)>;
1017 def : Pat<(shl GPRC:$rS, GPRC:$rB),
1018 (SLW GPRC:$rS, GPRC:$rB)>;
1020 def : Pat<(zextloadi1 iaddr:$src),
1022 def : Pat<(zextloadi1 xaddr:$src),
1024 def : Pat<(extloadi1 iaddr:$src),
1026 def : Pat<(extloadi1 xaddr:$src),
1028 def : Pat<(extloadi8 iaddr:$src),
1030 def : Pat<(extloadi8 xaddr:$src),
1032 def : Pat<(extloadi16 iaddr:$src),
1034 def : Pat<(extloadi16 xaddr:$src),
1036 def : Pat<(extloadf32 iaddr:$src),
1037 (FMRSD (LFS iaddr:$src))>;
1038 def : Pat<(extloadf32 xaddr:$src),
1039 (FMRSD (LFSX xaddr:$src))>;
1041 include "PPCInstrAltivec.td"
1042 include "PPCInstr64Bit.td"