1 //===-- PPCInstrInfo.td - The PowerPC Instruction Set ------*- tablegen -*-===//
3 // The LLVM Compiler Infrastructure
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
8 //===----------------------------------------------------------------------===//
10 // This file describes the subset of the 32-bit PowerPC instruction set, as used
11 // by the PowerPC instruction selector.
13 //===----------------------------------------------------------------------===//
15 include "PPCInstrFormats.td"
17 //===----------------------------------------------------------------------===//
18 // PowerPC specific type constraints.
20 def SDT_PPCstfiwx : SDTypeProfile<0, 2, [ // stfiwx
21 SDTCisVT<0, f64>, SDTCisPtrTy<1>
23 def SDT_PPCCallSeqStart : SDCallSeqStart<[ SDTCisVT<0, i32> ]>;
24 def SDT_PPCCallSeqEnd : SDCallSeqEnd<[ SDTCisVT<0, i32>,
26 def SDT_PPCvperm : SDTypeProfile<1, 3, [
27 SDTCisVT<3, v16i8>, SDTCisSameAs<0, 1>, SDTCisSameAs<0, 2>
30 def SDT_PPCvcmp : SDTypeProfile<1, 3, [
31 SDTCisSameAs<0, 1>, SDTCisSameAs<1, 2>, SDTCisVT<3, i32>
34 def SDT_PPCcondbr : SDTypeProfile<0, 3, [
35 SDTCisVT<0, i32>, SDTCisVT<2, OtherVT>
38 def SDT_PPClbrx : SDTypeProfile<1, 2, [
39 SDTCisVT<0, i32>, SDTCisPtrTy<1>, SDTCisVT<2, OtherVT>
41 def SDT_PPCstbrx : SDTypeProfile<0, 3, [
42 SDTCisVT<0, i32>, SDTCisPtrTy<1>, SDTCisVT<2, OtherVT>
45 def SDT_PPClarx : SDTypeProfile<1, 1, [
46 SDTCisInt<0>, SDTCisPtrTy<1>
48 def SDT_PPCstcx : SDTypeProfile<0, 2, [
49 SDTCisInt<0>, SDTCisPtrTy<1>
52 def SDT_PPCTC_ret : SDTypeProfile<0, 2, [
53 SDTCisPtrTy<0>, SDTCisVT<1, i32>
56 def SDT_PPCnop : SDTypeProfile<0, 0, []>;
58 //===----------------------------------------------------------------------===//
59 // PowerPC specific DAG Nodes.
62 def PPCfcfid : SDNode<"PPCISD::FCFID" , SDTFPUnaryOp, []>;
63 def PPCfctidz : SDNode<"PPCISD::FCTIDZ", SDTFPUnaryOp, []>;
64 def PPCfctiwz : SDNode<"PPCISD::FCTIWZ", SDTFPUnaryOp, []>;
65 def PPCstfiwx : SDNode<"PPCISD::STFIWX", SDT_PPCstfiwx,
66 [SDNPHasChain, SDNPMayStore]>;
68 // This sequence is used for long double->int conversions. It changes the
69 // bits in the FPSCR which is not modelled.
70 def PPCmffs : SDNode<"PPCISD::MFFS", SDTypeProfile<1, 0, [SDTCisVT<0, f64>]>,
72 def PPCmtfsb0 : SDNode<"PPCISD::MTFSB0", SDTypeProfile<0, 1, [SDTCisInt<0>]>,
73 [SDNPInGlue, SDNPOutGlue]>;
74 def PPCmtfsb1 : SDNode<"PPCISD::MTFSB1", SDTypeProfile<0, 1, [SDTCisInt<0>]>,
75 [SDNPInGlue, SDNPOutGlue]>;
76 def PPCfaddrtz: SDNode<"PPCISD::FADDRTZ", SDTFPBinOp,
77 [SDNPInGlue, SDNPOutGlue]>;
78 def PPCmtfsf : SDNode<"PPCISD::MTFSF", SDTypeProfile<1, 3,
79 [SDTCisVT<0, f64>, SDTCisInt<1>, SDTCisVT<2, f64>,
83 def PPCfsel : SDNode<"PPCISD::FSEL",
84 // Type constraint for fsel.
85 SDTypeProfile<1, 3, [SDTCisSameAs<0, 2>, SDTCisSameAs<0, 3>,
86 SDTCisFP<0>, SDTCisVT<1, f64>]>, []>;
88 def PPChi : SDNode<"PPCISD::Hi", SDTIntBinOp, []>;
89 def PPClo : SDNode<"PPCISD::Lo", SDTIntBinOp, []>;
90 def PPCtoc_entry: SDNode<"PPCISD::TOC_ENTRY", SDTIntBinOp, [SDNPMayLoad]>;
91 def PPCvmaddfp : SDNode<"PPCISD::VMADDFP", SDTFPTernaryOp, []>;
92 def PPCvnmsubfp : SDNode<"PPCISD::VNMSUBFP", SDTFPTernaryOp, []>;
94 def PPCaddisGotTprelHA : SDNode<"PPCISD::ADDIS_GOT_TPREL_HA", SDTIntBinOp>;
95 def PPCldGotTprelL : SDNode<"PPCISD::LD_GOT_TPREL_L", SDTIntBinOp,
97 def PPCaddTls : SDNode<"PPCISD::ADD_TLS", SDTIntBinOp, []>;
98 def PPCaddisTlsgdHA : SDNode<"PPCISD::ADDIS_TLSGD_HA", SDTIntBinOp>;
99 def PPCaddiTlsgdL : SDNode<"PPCISD::ADDI_TLSGD_L", SDTIntBinOp>;
100 def PPCgetTlsAddr : SDNode<"PPCISD::GET_TLS_ADDR", SDTIntBinOp>;
101 def PPCaddisTlsldHA : SDNode<"PPCISD::ADDIS_TLSLD_HA", SDTIntBinOp>;
102 def PPCaddiTlsldL : SDNode<"PPCISD::ADDI_TLSLD_L", SDTIntBinOp>;
103 def PPCgetTlsldAddr : SDNode<"PPCISD::GET_TLSLD_ADDR", SDTIntBinOp>;
104 def PPCaddisDtprelHA : SDNode<"PPCISD::ADDIS_DTPREL_HA", SDTIntBinOp,
106 def PPCaddiDtprelL : SDNode<"PPCISD::ADDI_DTPREL_L", SDTIntBinOp>;
108 def PPCvperm : SDNode<"PPCISD::VPERM", SDT_PPCvperm, []>;
110 // These nodes represent the 32-bit PPC shifts that operate on 6-bit shift
111 // amounts. These nodes are generated by the multi-precision shift code.
112 def PPCsrl : SDNode<"PPCISD::SRL" , SDTIntShiftOp>;
113 def PPCsra : SDNode<"PPCISD::SRA" , SDTIntShiftOp>;
114 def PPCshl : SDNode<"PPCISD::SHL" , SDTIntShiftOp>;
116 def PPCextsw_32 : SDNode<"PPCISD::EXTSW_32" , SDTIntUnaryOp>;
117 def PPCstd_32 : SDNode<"PPCISD::STD_32" , SDTStore,
118 [SDNPHasChain, SDNPMayStore]>;
120 // These are target-independent nodes, but have target-specific formats.
121 def callseq_start : SDNode<"ISD::CALLSEQ_START", SDT_PPCCallSeqStart,
122 [SDNPHasChain, SDNPOutGlue]>;
123 def callseq_end : SDNode<"ISD::CALLSEQ_END", SDT_PPCCallSeqEnd,
124 [SDNPHasChain, SDNPOptInGlue, SDNPOutGlue]>;
126 def SDT_PPCCall : SDTypeProfile<0, -1, [SDTCisInt<0>]>;
127 def PPCcall_Darwin : SDNode<"PPCISD::CALL_Darwin", SDT_PPCCall,
128 [SDNPHasChain, SDNPOptInGlue, SDNPOutGlue,
130 def PPCcall_SVR4 : SDNode<"PPCISD::CALL_SVR4", SDT_PPCCall,
131 [SDNPHasChain, SDNPOptInGlue, SDNPOutGlue,
133 def PPCcall_nop_SVR4 : SDNode<"PPCISD::CALL_NOP_SVR4", SDT_PPCCall,
134 [SDNPHasChain, SDNPOptInGlue, SDNPOutGlue,
136 def PPCnop : SDNode<"PPCISD::NOP", SDT_PPCnop, [SDNPInGlue, SDNPOutGlue]>;
137 def PPCload : SDNode<"PPCISD::LOAD", SDTypeProfile<1, 1, []>,
138 [SDNPHasChain, SDNPOptInGlue, SDNPOutGlue]>;
139 def PPCload_toc : SDNode<"PPCISD::LOAD_TOC", SDTypeProfile<0, 1, []>,
140 [SDNPHasChain, SDNPSideEffect,
141 SDNPInGlue, SDNPOutGlue]>;
142 def PPCtoc_restore : SDNode<"PPCISD::TOC_RESTORE", SDTypeProfile<0, 0, []>,
143 [SDNPHasChain, SDNPSideEffect,
144 SDNPInGlue, SDNPOutGlue]>;
145 def PPCmtctr : SDNode<"PPCISD::MTCTR", SDT_PPCCall,
146 [SDNPHasChain, SDNPOptInGlue, SDNPOutGlue]>;
147 def PPCbctrl_Darwin : SDNode<"PPCISD::BCTRL_Darwin", SDTNone,
148 [SDNPHasChain, SDNPOptInGlue, SDNPOutGlue,
151 def PPCbctrl_SVR4 : SDNode<"PPCISD::BCTRL_SVR4", SDTNone,
152 [SDNPHasChain, SDNPOptInGlue, SDNPOutGlue,
155 def retflag : SDNode<"PPCISD::RET_FLAG", SDTNone,
156 [SDNPHasChain, SDNPOptInGlue, SDNPVariadic]>;
158 def PPCtc_return : SDNode<"PPCISD::TC_RETURN", SDT_PPCTC_ret,
159 [SDNPHasChain, SDNPOptInGlue, SDNPVariadic]>;
161 def PPCvcmp : SDNode<"PPCISD::VCMP" , SDT_PPCvcmp, []>;
162 def PPCvcmp_o : SDNode<"PPCISD::VCMPo", SDT_PPCvcmp, [SDNPOutGlue]>;
164 def PPCcondbranch : SDNode<"PPCISD::COND_BRANCH", SDT_PPCcondbr,
165 [SDNPHasChain, SDNPOptInGlue]>;
167 def PPClbrx : SDNode<"PPCISD::LBRX", SDT_PPClbrx,
168 [SDNPHasChain, SDNPMayLoad]>;
169 def PPCstbrx : SDNode<"PPCISD::STBRX", SDT_PPCstbrx,
170 [SDNPHasChain, SDNPMayStore]>;
172 // Instructions to set/unset CR bit 6 for SVR4 vararg calls
173 def PPCcr6set : SDNode<"PPCISD::CR6SET", SDTNone,
174 [SDNPHasChain, SDNPOptInGlue, SDNPOutGlue]>;
175 def PPCcr6unset : SDNode<"PPCISD::CR6UNSET", SDTNone,
176 [SDNPHasChain, SDNPOptInGlue, SDNPOutGlue]>;
178 // Instructions to support atomic operations
179 def PPClarx : SDNode<"PPCISD::LARX", SDT_PPClarx,
180 [SDNPHasChain, SDNPMayLoad]>;
181 def PPCstcx : SDNode<"PPCISD::STCX", SDT_PPCstcx,
182 [SDNPHasChain, SDNPMayStore]>;
184 // Instructions to support medium and large code model
185 def PPCaddisTocHA : SDNode<"PPCISD::ADDIS_TOC_HA", SDTIntBinOp, []>;
186 def PPCldTocL : SDNode<"PPCISD::LD_TOC_L", SDTIntBinOp, [SDNPMayLoad]>;
187 def PPCaddiTocL : SDNode<"PPCISD::ADDI_TOC_L", SDTIntBinOp, []>;
190 // Instructions to support dynamic alloca.
191 def SDTDynOp : SDTypeProfile<1, 2, []>;
192 def PPCdynalloc : SDNode<"PPCISD::DYNALLOC", SDTDynOp, [SDNPHasChain]>;
194 //===----------------------------------------------------------------------===//
195 // PowerPC specific transformation functions and pattern fragments.
198 def SHL32 : SDNodeXForm<imm, [{
199 // Transformation function: 31 - imm
200 return getI32Imm(31 - N->getZExtValue());
203 def SRL32 : SDNodeXForm<imm, [{
204 // Transformation function: 32 - imm
205 return N->getZExtValue() ? getI32Imm(32 - N->getZExtValue()) : getI32Imm(0);
208 def LO16 : SDNodeXForm<imm, [{
209 // Transformation function: get the low 16 bits.
210 return getI32Imm((unsigned short)N->getZExtValue());
213 def HI16 : SDNodeXForm<imm, [{
214 // Transformation function: shift the immediate value down into the low bits.
215 return getI32Imm((unsigned)N->getZExtValue() >> 16);
218 def HA16 : SDNodeXForm<imm, [{
219 // Transformation function: shift the immediate value down into the low bits.
220 signed int Val = N->getZExtValue();
221 return getI32Imm((Val - (signed short)Val) >> 16);
223 def MB : SDNodeXForm<imm, [{
224 // Transformation function: get the start bit of a mask
226 (void)isRunOfOnes((unsigned)N->getZExtValue(), mb, me);
227 return getI32Imm(mb);
230 def ME : SDNodeXForm<imm, [{
231 // Transformation function: get the end bit of a mask
233 (void)isRunOfOnes((unsigned)N->getZExtValue(), mb, me);
234 return getI32Imm(me);
236 def maskimm32 : PatLeaf<(imm), [{
237 // maskImm predicate - True if immediate is a run of ones.
239 if (N->getValueType(0) == MVT::i32)
240 return isRunOfOnes((unsigned)N->getZExtValue(), mb, me);
245 def immSExt16 : PatLeaf<(imm), [{
246 // immSExt16 predicate - True if the immediate fits in a 16-bit sign extended
247 // field. Used by instructions like 'addi'.
248 if (N->getValueType(0) == MVT::i32)
249 return (int32_t)N->getZExtValue() == (short)N->getZExtValue();
251 return (int64_t)N->getZExtValue() == (short)N->getZExtValue();
253 def immZExt16 : PatLeaf<(imm), [{
254 // immZExt16 predicate - True if the immediate fits in a 16-bit zero extended
255 // field. Used by instructions like 'ori'.
256 return (uint64_t)N->getZExtValue() == (unsigned short)N->getZExtValue();
259 // imm16Shifted* - These match immediates where the low 16-bits are zero. There
260 // are two forms: imm16ShiftedSExt and imm16ShiftedZExt. These two forms are
261 // identical in 32-bit mode, but in 64-bit mode, they return true if the
262 // immediate fits into a sign/zero extended 32-bit immediate (with the low bits
264 def imm16ShiftedZExt : PatLeaf<(imm), [{
265 // imm16ShiftedZExt predicate - True if only bits in the top 16-bits of the
266 // immediate are set. Used by instructions like 'xoris'.
267 return (N->getZExtValue() & ~uint64_t(0xFFFF0000)) == 0;
270 def imm16ShiftedSExt : PatLeaf<(imm), [{
271 // imm16ShiftedSExt predicate - True if only bits in the top 16-bits of the
272 // immediate are set. Used by instructions like 'addis'. Identical to
273 // imm16ShiftedZExt in 32-bit mode.
274 if (N->getZExtValue() & 0xFFFF) return false;
275 if (N->getValueType(0) == MVT::i32)
277 // For 64-bit, make sure it is sext right.
278 return N->getZExtValue() == (uint64_t)(int)N->getZExtValue();
281 // Some r+i load/store instructions (such as LD, STD, LDU, etc.) that require
282 // restricted memrix (offset/4) constants are alignment sensitive. If these
283 // offsets are hidden behind TOC entries than the values of the lower-order
284 // bits cannot be checked directly. As a result, we need to also incorporate
285 // an alignment check into the relevant patterns.
287 def aligned4load : PatFrag<(ops node:$ptr), (load node:$ptr), [{
288 return cast<LoadSDNode>(N)->getAlignment() >= 4;
290 def aligned4store : PatFrag<(ops node:$val, node:$ptr),
291 (store node:$val, node:$ptr), [{
292 return cast<StoreSDNode>(N)->getAlignment() >= 4;
294 def aligned4sextloadi32 : PatFrag<(ops node:$ptr), (sextloadi32 node:$ptr), [{
295 return cast<LoadSDNode>(N)->getAlignment() >= 4;
297 def aligned4pre_store : PatFrag<
298 (ops node:$val, node:$base, node:$offset),
299 (pre_store node:$val, node:$base, node:$offset), [{
300 return cast<StoreSDNode>(N)->getAlignment() >= 4;
303 def unaligned4load : PatFrag<(ops node:$ptr), (load node:$ptr), [{
304 return cast<LoadSDNode>(N)->getAlignment() < 4;
306 def unaligned4store : PatFrag<(ops node:$val, node:$ptr),
307 (store node:$val, node:$ptr), [{
308 return cast<StoreSDNode>(N)->getAlignment() < 4;
310 def unaligned4sextloadi32 : PatFrag<(ops node:$ptr), (sextloadi32 node:$ptr), [{
311 return cast<LoadSDNode>(N)->getAlignment() < 4;
314 //===----------------------------------------------------------------------===//
315 // PowerPC Flag Definitions.
317 class isPPC64 { bit PPC64 = 1; }
319 list<Register> Defs = [CR0];
323 class RegConstraint<string C> {
324 string Constraints = C;
326 class NoEncode<string E> {
327 string DisableEncoding = E;
331 //===----------------------------------------------------------------------===//
332 // PowerPC Operand Definitions.
334 def s5imm : Operand<i32> {
335 let PrintMethod = "printS5ImmOperand";
337 def u5imm : Operand<i32> {
338 let PrintMethod = "printU5ImmOperand";
340 def u6imm : Operand<i32> {
341 let PrintMethod = "printU6ImmOperand";
343 def s16imm : Operand<i32> {
344 let PrintMethod = "printS16ImmOperand";
346 def u16imm : Operand<i32> {
347 let PrintMethod = "printU16ImmOperand";
349 def s16immX4 : Operand<i32> { // Multiply imm by 4 before printing.
350 let PrintMethod = "printS16X4ImmOperand";
352 def directbrtarget : Operand<OtherVT> {
353 let PrintMethod = "printBranchOperand";
354 let EncoderMethod = "getDirectBrEncoding";
356 def condbrtarget : Operand<OtherVT> {
357 let PrintMethod = "printBranchOperand";
358 let EncoderMethod = "getCondBrEncoding";
360 def calltarget : Operand<iPTR> {
361 let EncoderMethod = "getDirectBrEncoding";
363 def aaddr : Operand<iPTR> {
364 let PrintMethod = "printAbsAddrOperand";
366 def symbolHi: Operand<i32> {
367 let PrintMethod = "printSymbolHi";
368 let EncoderMethod = "getHA16Encoding";
370 def symbolLo: Operand<i32> {
371 let PrintMethod = "printSymbolLo";
372 let EncoderMethod = "getLO16Encoding";
374 def crbitm: Operand<i8> {
375 let PrintMethod = "printcrbitm";
376 let EncoderMethod = "get_crbitm_encoding";
379 // A version of ptr_rc which excludes R0 (or X0 in 64-bit mode).
380 def ptr_rc_nor0 : PointerLikeRegClass<1>;
382 def memri : Operand<iPTR> {
383 let PrintMethod = "printMemRegImm";
384 let MIOperandInfo = (ops symbolLo:$imm, ptr_rc_nor0:$reg);
385 let EncoderMethod = "getMemRIEncoding";
387 def memrr : Operand<iPTR> {
388 let PrintMethod = "printMemRegReg";
389 let MIOperandInfo = (ops ptr_rc_nor0:$offreg, ptr_rc:$ptrreg);
391 def memrix : Operand<iPTR> { // memri where the imm is shifted 2 bits.
392 let PrintMethod = "printMemRegImmShifted";
393 let MIOperandInfo = (ops symbolLo:$imm, ptr_rc_nor0:$reg);
394 let EncoderMethod = "getMemRIXEncoding";
397 // PowerPC Predicate operand. 20 = (0<<5)|20 = always, CR0 is a dummy reg
398 // that doesn't matter.
399 def pred : PredicateOperand<OtherVT, (ops imm, CRRC),
400 (ops (i32 20), (i32 zero_reg))> {
401 let PrintMethod = "printPredicateOperand";
404 // Define PowerPC specific addressing mode.
405 def iaddr : ComplexPattern<iPTR, 2, "SelectAddrImm", [], []>;
406 def xaddr : ComplexPattern<iPTR, 2, "SelectAddrIdx", [], []>;
407 def xoaddr : ComplexPattern<iPTR, 2, "SelectAddrIdxOnly",[], []>;
408 def ixaddr : ComplexPattern<iPTR, 2, "SelectAddrImmShift", [], []>; // "std"
410 /// This is just the offset part of iaddr, used for preinc.
411 def iaddroff : ComplexPattern<iPTR, 1, "SelectAddrImmOffs", [], []>;
412 def xaddroff : ComplexPattern<iPTR, 1, "SelectAddrIdxOffs", [], []>;
414 //===----------------------------------------------------------------------===//
415 // PowerPC Instruction Predicate Definitions.
416 def In32BitMode : Predicate<"!PPCSubTarget.isPPC64()">;
417 def In64BitMode : Predicate<"PPCSubTarget.isPPC64()">;
418 def IsBookE : Predicate<"PPCSubTarget.isBookE()">;
420 //===----------------------------------------------------------------------===//
421 // PowerPC Instruction Definitions.
423 // Pseudo-instructions:
425 let hasCtrlDep = 1 in {
426 let Defs = [R1], Uses = [R1] in {
427 def ADJCALLSTACKDOWN : Pseudo<(outs), (ins u16imm:$amt), "#ADJCALLSTACKDOWN $amt",
428 [(callseq_start timm:$amt)]>;
429 def ADJCALLSTACKUP : Pseudo<(outs), (ins u16imm:$amt1, u16imm:$amt2), "#ADJCALLSTACKUP $amt1 $amt2",
430 [(callseq_end timm:$amt1, timm:$amt2)]>;
433 def UPDATE_VRSAVE : Pseudo<(outs GPRC:$rD), (ins GPRC:$rS),
434 "UPDATE_VRSAVE $rD, $rS", []>;
437 let Defs = [R1], Uses = [R1] in
438 def DYNALLOC : Pseudo<(outs GPRC:$result), (ins GPRC:$negsize, memri:$fpsi), "#DYNALLOC",
440 (PPCdynalloc GPRC:$negsize, iaddr:$fpsi))]>;
442 // SELECT_CC_* - Used to implement the SELECT_CC DAG operation. Expanded after
443 // instruction selection into a branch sequence.
444 let usesCustomInserter = 1, // Expanded after instruction selection.
445 PPC970_Single = 1 in {
446 def SELECT_CC_I4 : Pseudo<(outs GPRC:$dst), (ins CRRC:$cond, GPRC:$T, GPRC:$F,
447 i32imm:$BROPC), "#SELECT_CC_I4",
449 def SELECT_CC_I8 : Pseudo<(outs G8RC:$dst), (ins CRRC:$cond, G8RC:$T, G8RC:$F,
450 i32imm:$BROPC), "#SELECT_CC_I8",
452 def SELECT_CC_F4 : Pseudo<(outs F4RC:$dst), (ins CRRC:$cond, F4RC:$T, F4RC:$F,
453 i32imm:$BROPC), "#SELECT_CC_F4",
455 def SELECT_CC_F8 : Pseudo<(outs F8RC:$dst), (ins CRRC:$cond, F8RC:$T, F8RC:$F,
456 i32imm:$BROPC), "#SELECT_CC_F8",
458 def SELECT_CC_VRRC: Pseudo<(outs VRRC:$dst), (ins CRRC:$cond, VRRC:$T, VRRC:$F,
459 i32imm:$BROPC), "#SELECT_CC_VRRC",
463 // SPILL_CR - Indicate that we're dumping the CR register, so we'll need to
464 // scavenge a register for it.
466 def SPILL_CR : Pseudo<(outs), (ins CRRC:$cond, memri:$F),
469 // RESTORE_CR - Indicate that we're restoring the CR register (previously
470 // spilled), so we'll need to scavenge a register for it.
472 def RESTORE_CR : Pseudo<(outs CRRC:$cond), (ins memri:$F),
475 let isTerminator = 1, isBarrier = 1, PPC970_Unit = 7 in {
476 let isCodeGenOnly = 1, isReturn = 1, Uses = [LR, RM] in
477 def BLR : XLForm_2_br<19, 16, 0, (outs), (ins pred:$p),
478 "b${p:cc}lr ${p:reg}", BrB,
480 let isBranch = 1, isIndirectBranch = 1, Uses = [CTR] in
481 def BCTR : XLForm_2_ext<19, 528, 20, 0, 0, (outs), (ins), "bctr", BrB, []>;
485 def MovePCtoLR : Pseudo<(outs), (ins), "#MovePCtoLR", []>,
488 let isBranch = 1, isTerminator = 1, hasCtrlDep = 1, PPC970_Unit = 7 in {
489 let isBarrier = 1 in {
490 def B : IForm<18, 0, 0, (outs), (ins directbrtarget:$dst),
495 // BCC represents an arbitrary conditional branch on a predicate.
496 // FIXME: should be able to write a pattern for PPCcondbranch, but can't use
497 // a two-value operand where a dag node expects two operands. :(
498 let isCodeGenOnly = 1 in
499 def BCC : BForm<16, 0, 0, (outs), (ins pred:$cond, condbrtarget:$dst),
500 "b${cond:cc} ${cond:reg}, $dst"
501 /*[(PPCcondbranch CRRC:$crS, imm:$opc, bb:$dst)]*/>;
503 let Defs = [CTR], Uses = [CTR] in {
504 def BDZ : BForm_1<16, 18, 0, 0, (outs), (ins condbrtarget:$dst),
506 def BDNZ : BForm_1<16, 16, 0, 0, (outs), (ins condbrtarget:$dst),
512 let isCall = 1, PPC970_Unit = 7, Defs = [LR] in {
513 // Convenient aliases for call instructions
515 def BL_Darwin : IForm<18, 0, 1,
516 (outs), (ins calltarget:$func),
517 "bl $func", BrB, []>; // See Pat patterns below.
518 def BLA_Darwin : IForm<18, 1, 1,
519 (outs), (ins aaddr:$func),
520 "bla $func", BrB, [(PPCcall_Darwin (i32 imm:$func))]>;
522 let Uses = [CTR, RM] in {
523 def BCTRL_Darwin : XLForm_2_ext<19, 528, 20, 0, 1,
526 [(PPCbctrl_Darwin)]>, Requires<[In32BitMode]>;
531 let isCall = 1, PPC970_Unit = 7, Defs = [LR] in {
532 // Convenient aliases for call instructions
534 def BL_SVR4 : IForm<18, 0, 1,
535 (outs), (ins calltarget:$func),
536 "bl $func", BrB, []>; // See Pat patterns below.
537 def BLA_SVR4 : IForm<18, 1, 1,
538 (outs), (ins aaddr:$func),
540 [(PPCcall_SVR4 (i32 imm:$func))]>;
542 let Uses = [CTR, RM] in {
543 def BCTRL_SVR4 : XLForm_2_ext<19, 528, 20, 0, 1,
546 [(PPCbctrl_SVR4)]>, Requires<[In32BitMode]>;
551 let isCall = 1, isTerminator = 1, isReturn = 1, isBarrier = 1, Uses = [RM] in
552 def TCRETURNdi :Pseudo< (outs),
553 (ins calltarget:$dst, i32imm:$offset),
554 "#TC_RETURNd $dst $offset",
558 let isCall = 1, isTerminator = 1, isReturn = 1, isBarrier = 1, Uses = [RM] in
559 def TCRETURNai :Pseudo<(outs), (ins aaddr:$func, i32imm:$offset),
560 "#TC_RETURNa $func $offset",
561 [(PPCtc_return (i32 imm:$func), imm:$offset)]>;
563 let isCall = 1, isTerminator = 1, isReturn = 1, isBarrier = 1, Uses = [RM] in
564 def TCRETURNri : Pseudo<(outs), (ins CTRRC:$dst, i32imm:$offset),
565 "#TC_RETURNr $dst $offset",
569 let isTerminator = 1, isBarrier = 1, PPC970_Unit = 7, isBranch = 1,
570 isIndirectBranch = 1, isCall = 1, isReturn = 1, Uses = [CTR, RM] in
571 def TAILBCTR : XLForm_2_ext<19, 528, 20, 0, 0, (outs), (ins), "bctr", BrB, []>,
572 Requires<[In32BitMode]>;
576 let isBranch = 1, isTerminator = 1, hasCtrlDep = 1, PPC970_Unit = 7,
577 isBarrier = 1, isCall = 1, isReturn = 1, Uses = [RM] in
578 def TAILB : IForm<18, 0, 0, (outs), (ins calltarget:$dst),
583 let isBranch = 1, isTerminator = 1, hasCtrlDep = 1, PPC970_Unit = 7,
584 isBarrier = 1, isCall = 1, isReturn = 1, Uses = [RM] in
585 def TAILBA : IForm<18, 0, 0, (outs), (ins aaddr:$dst),
590 // DCB* instructions.
591 def DCBA : DCB_Form<758, 0, (outs), (ins memrr:$dst),
592 "dcba $dst", LdStDCBF, [(int_ppc_dcba xoaddr:$dst)]>,
593 PPC970_DGroup_Single;
594 def DCBF : DCB_Form<86, 0, (outs), (ins memrr:$dst),
595 "dcbf $dst", LdStDCBF, [(int_ppc_dcbf xoaddr:$dst)]>,
596 PPC970_DGroup_Single;
597 def DCBI : DCB_Form<470, 0, (outs), (ins memrr:$dst),
598 "dcbi $dst", LdStDCBF, [(int_ppc_dcbi xoaddr:$dst)]>,
599 PPC970_DGroup_Single;
600 def DCBST : DCB_Form<54, 0, (outs), (ins memrr:$dst),
601 "dcbst $dst", LdStDCBF, [(int_ppc_dcbst xoaddr:$dst)]>,
602 PPC970_DGroup_Single;
603 def DCBT : DCB_Form<278, 0, (outs), (ins memrr:$dst),
604 "dcbt $dst", LdStDCBF, [(int_ppc_dcbt xoaddr:$dst)]>,
605 PPC970_DGroup_Single;
606 def DCBTST : DCB_Form<246, 0, (outs), (ins memrr:$dst),
607 "dcbtst $dst", LdStDCBF, [(int_ppc_dcbtst xoaddr:$dst)]>,
608 PPC970_DGroup_Single;
609 def DCBZ : DCB_Form<1014, 0, (outs), (ins memrr:$dst),
610 "dcbz $dst", LdStDCBF, [(int_ppc_dcbz xoaddr:$dst)]>,
611 PPC970_DGroup_Single;
612 def DCBZL : DCB_Form<1014, 1, (outs), (ins memrr:$dst),
613 "dcbzl $dst", LdStDCBF, [(int_ppc_dcbzl xoaddr:$dst)]>,
614 PPC970_DGroup_Single;
616 def : Pat<(prefetch xoaddr:$dst, (i32 0), imm, (i32 1)),
620 let usesCustomInserter = 1 in {
621 let Defs = [CR0] in {
622 def ATOMIC_LOAD_ADD_I8 : Pseudo<
623 (outs GPRC:$dst), (ins memrr:$ptr, GPRC:$incr), "#ATOMIC_LOAD_ADD_I8",
624 [(set GPRC:$dst, (atomic_load_add_8 xoaddr:$ptr, GPRC:$incr))]>;
625 def ATOMIC_LOAD_SUB_I8 : Pseudo<
626 (outs GPRC:$dst), (ins memrr:$ptr, GPRC:$incr), "#ATOMIC_LOAD_SUB_I8",
627 [(set GPRC:$dst, (atomic_load_sub_8 xoaddr:$ptr, GPRC:$incr))]>;
628 def ATOMIC_LOAD_AND_I8 : Pseudo<
629 (outs GPRC:$dst), (ins memrr:$ptr, GPRC:$incr), "#ATOMIC_LOAD_AND_I8",
630 [(set GPRC:$dst, (atomic_load_and_8 xoaddr:$ptr, GPRC:$incr))]>;
631 def ATOMIC_LOAD_OR_I8 : Pseudo<
632 (outs GPRC:$dst), (ins memrr:$ptr, GPRC:$incr), "#ATOMIC_LOAD_OR_I8",
633 [(set GPRC:$dst, (atomic_load_or_8 xoaddr:$ptr, GPRC:$incr))]>;
634 def ATOMIC_LOAD_XOR_I8 : Pseudo<
635 (outs GPRC:$dst), (ins memrr:$ptr, GPRC:$incr), "ATOMIC_LOAD_XOR_I8",
636 [(set GPRC:$dst, (atomic_load_xor_8 xoaddr:$ptr, GPRC:$incr))]>;
637 def ATOMIC_LOAD_NAND_I8 : Pseudo<
638 (outs GPRC:$dst), (ins memrr:$ptr, GPRC:$incr), "#ATOMIC_LOAD_NAND_I8",
639 [(set GPRC:$dst, (atomic_load_nand_8 xoaddr:$ptr, GPRC:$incr))]>;
640 def ATOMIC_LOAD_ADD_I16 : Pseudo<
641 (outs GPRC:$dst), (ins memrr:$ptr, GPRC:$incr), "#ATOMIC_LOAD_ADD_I16",
642 [(set GPRC:$dst, (atomic_load_add_16 xoaddr:$ptr, GPRC:$incr))]>;
643 def ATOMIC_LOAD_SUB_I16 : Pseudo<
644 (outs GPRC:$dst), (ins memrr:$ptr, GPRC:$incr), "#ATOMIC_LOAD_SUB_I16",
645 [(set GPRC:$dst, (atomic_load_sub_16 xoaddr:$ptr, GPRC:$incr))]>;
646 def ATOMIC_LOAD_AND_I16 : Pseudo<
647 (outs GPRC:$dst), (ins memrr:$ptr, GPRC:$incr), "#ATOMIC_LOAD_AND_I16",
648 [(set GPRC:$dst, (atomic_load_and_16 xoaddr:$ptr, GPRC:$incr))]>;
649 def ATOMIC_LOAD_OR_I16 : Pseudo<
650 (outs GPRC:$dst), (ins memrr:$ptr, GPRC:$incr), "#ATOMIC_LOAD_OR_I16",
651 [(set GPRC:$dst, (atomic_load_or_16 xoaddr:$ptr, GPRC:$incr))]>;
652 def ATOMIC_LOAD_XOR_I16 : Pseudo<
653 (outs GPRC:$dst), (ins memrr:$ptr, GPRC:$incr), "#ATOMIC_LOAD_XOR_I16",
654 [(set GPRC:$dst, (atomic_load_xor_16 xoaddr:$ptr, GPRC:$incr))]>;
655 def ATOMIC_LOAD_NAND_I16 : Pseudo<
656 (outs GPRC:$dst), (ins memrr:$ptr, GPRC:$incr), "#ATOMIC_LOAD_NAND_I16",
657 [(set GPRC:$dst, (atomic_load_nand_16 xoaddr:$ptr, GPRC:$incr))]>;
658 def ATOMIC_LOAD_ADD_I32 : Pseudo<
659 (outs GPRC:$dst), (ins memrr:$ptr, GPRC:$incr), "#ATOMIC_LOAD_ADD_I32",
660 [(set GPRC:$dst, (atomic_load_add_32 xoaddr:$ptr, GPRC:$incr))]>;
661 def ATOMIC_LOAD_SUB_I32 : Pseudo<
662 (outs GPRC:$dst), (ins memrr:$ptr, GPRC:$incr), "#ATOMIC_LOAD_SUB_I32",
663 [(set GPRC:$dst, (atomic_load_sub_32 xoaddr:$ptr, GPRC:$incr))]>;
664 def ATOMIC_LOAD_AND_I32 : Pseudo<
665 (outs GPRC:$dst), (ins memrr:$ptr, GPRC:$incr), "#ATOMIC_LOAD_AND_I32",
666 [(set GPRC:$dst, (atomic_load_and_32 xoaddr:$ptr, GPRC:$incr))]>;
667 def ATOMIC_LOAD_OR_I32 : Pseudo<
668 (outs GPRC:$dst), (ins memrr:$ptr, GPRC:$incr), "#ATOMIC_LOAD_OR_I32",
669 [(set GPRC:$dst, (atomic_load_or_32 xoaddr:$ptr, GPRC:$incr))]>;
670 def ATOMIC_LOAD_XOR_I32 : Pseudo<
671 (outs GPRC:$dst), (ins memrr:$ptr, GPRC:$incr), "#ATOMIC_LOAD_XOR_I32",
672 [(set GPRC:$dst, (atomic_load_xor_32 xoaddr:$ptr, GPRC:$incr))]>;
673 def ATOMIC_LOAD_NAND_I32 : Pseudo<
674 (outs GPRC:$dst), (ins memrr:$ptr, GPRC:$incr), "#ATOMIC_LOAD_NAND_I32",
675 [(set GPRC:$dst, (atomic_load_nand_32 xoaddr:$ptr, GPRC:$incr))]>;
677 def ATOMIC_CMP_SWAP_I8 : Pseudo<
678 (outs GPRC:$dst), (ins memrr:$ptr, GPRC:$old, GPRC:$new), "#ATOMIC_CMP_SWAP_I8",
680 (atomic_cmp_swap_8 xoaddr:$ptr, GPRC:$old, GPRC:$new))]>;
681 def ATOMIC_CMP_SWAP_I16 : Pseudo<
682 (outs GPRC:$dst), (ins memrr:$ptr, GPRC:$old, GPRC:$new), "#ATOMIC_CMP_SWAP_I16 $dst $ptr $old $new",
684 (atomic_cmp_swap_16 xoaddr:$ptr, GPRC:$old, GPRC:$new))]>;
685 def ATOMIC_CMP_SWAP_I32 : Pseudo<
686 (outs GPRC:$dst), (ins memrr:$ptr, GPRC:$old, GPRC:$new), "#ATOMIC_CMP_SWAP_I32 $dst $ptr $old $new",
688 (atomic_cmp_swap_32 xoaddr:$ptr, GPRC:$old, GPRC:$new))]>;
690 def ATOMIC_SWAP_I8 : Pseudo<
691 (outs GPRC:$dst), (ins memrr:$ptr, GPRC:$new), "#ATOMIC_SWAP_i8",
692 [(set GPRC:$dst, (atomic_swap_8 xoaddr:$ptr, GPRC:$new))]>;
693 def ATOMIC_SWAP_I16 : Pseudo<
694 (outs GPRC:$dst), (ins memrr:$ptr, GPRC:$new), "#ATOMIC_SWAP_I16",
695 [(set GPRC:$dst, (atomic_swap_16 xoaddr:$ptr, GPRC:$new))]>;
696 def ATOMIC_SWAP_I32 : Pseudo<
697 (outs GPRC:$dst), (ins memrr:$ptr, GPRC:$new), "#ATOMIC_SWAP_I32",
698 [(set GPRC:$dst, (atomic_swap_32 xoaddr:$ptr, GPRC:$new))]>;
702 // Instructions to support atomic operations
703 def LWARX : XForm_1<31, 20, (outs GPRC:$rD), (ins memrr:$src),
704 "lwarx $rD, $src", LdStLWARX,
705 [(set GPRC:$rD, (PPClarx xoaddr:$src))]>;
708 def STWCX : XForm_1<31, 150, (outs), (ins GPRC:$rS, memrr:$dst),
709 "stwcx. $rS, $dst", LdStSTWCX,
710 [(PPCstcx GPRC:$rS, xoaddr:$dst)]>,
713 let isTerminator = 1, isBarrier = 1, hasCtrlDep = 1 in
714 def TRAP : XForm_24<31, 4, (outs), (ins), "trap", LdStLoad, [(trap)]>;
716 //===----------------------------------------------------------------------===//
717 // PPC32 Load Instructions.
720 // Unindexed (r+i) Loads.
721 let canFoldAsLoad = 1, PPC970_Unit = 2 in {
722 def LBZ : DForm_1<34, (outs GPRC:$rD), (ins memri:$src),
723 "lbz $rD, $src", LdStLoad,
724 [(set GPRC:$rD, (zextloadi8 iaddr:$src))]>;
725 def LHA : DForm_1<42, (outs GPRC:$rD), (ins memri:$src),
726 "lha $rD, $src", LdStLHA,
727 [(set GPRC:$rD, (sextloadi16 iaddr:$src))]>,
728 PPC970_DGroup_Cracked;
729 def LHZ : DForm_1<40, (outs GPRC:$rD), (ins memri:$src),
730 "lhz $rD, $src", LdStLoad,
731 [(set GPRC:$rD, (zextloadi16 iaddr:$src))]>;
732 def LWZ : DForm_1<32, (outs GPRC:$rD), (ins memri:$src),
733 "lwz $rD, $src", LdStLoad,
734 [(set GPRC:$rD, (load iaddr:$src))]>;
736 def LFS : DForm_1<48, (outs F4RC:$rD), (ins memri:$src),
737 "lfs $rD, $src", LdStLFD,
738 [(set F4RC:$rD, (load iaddr:$src))]>;
739 def LFD : DForm_1<50, (outs F8RC:$rD), (ins memri:$src),
740 "lfd $rD, $src", LdStLFD,
741 [(set F8RC:$rD, (load iaddr:$src))]>;
744 // Unindexed (r+i) Loads with Update (preinc).
746 def LBZU : DForm_1<35, (outs GPRC:$rD, ptr_rc_nor0:$ea_result), (ins memri:$addr),
747 "lbzu $rD, $addr", LdStLoadUpd,
748 []>, RegConstraint<"$addr.reg = $ea_result">,
749 NoEncode<"$ea_result">;
751 def LHAU : DForm_1<43, (outs GPRC:$rD, ptr_rc_nor0:$ea_result), (ins memri:$addr),
752 "lhau $rD, $addr", LdStLHAU,
753 []>, RegConstraint<"$addr.reg = $ea_result">,
754 NoEncode<"$ea_result">;
756 def LHZU : DForm_1<41, (outs GPRC:$rD, ptr_rc_nor0:$ea_result), (ins memri:$addr),
757 "lhzu $rD, $addr", LdStLoadUpd,
758 []>, RegConstraint<"$addr.reg = $ea_result">,
759 NoEncode<"$ea_result">;
761 def LWZU : DForm_1<33, (outs GPRC:$rD, ptr_rc_nor0:$ea_result), (ins memri:$addr),
762 "lwzu $rD, $addr", LdStLoadUpd,
763 []>, RegConstraint<"$addr.reg = $ea_result">,
764 NoEncode<"$ea_result">;
766 def LFSU : DForm_1<49, (outs F4RC:$rD, ptr_rc_nor0:$ea_result), (ins memri:$addr),
767 "lfsu $rD, $addr", LdStLFDU,
768 []>, RegConstraint<"$addr.reg = $ea_result">,
769 NoEncode<"$ea_result">;
771 def LFDU : DForm_1<51, (outs F8RC:$rD, ptr_rc_nor0:$ea_result), (ins memri:$addr),
772 "lfdu $rD, $addr", LdStLFDU,
773 []>, RegConstraint<"$addr.reg = $ea_result">,
774 NoEncode<"$ea_result">;
777 // Indexed (r+r) Loads with Update (preinc).
778 def LBZUX : XForm_1<31, 119, (outs GPRC:$rD, ptr_rc_nor0:$ea_result),
780 "lbzux $rD, $addr", LdStLoadUpd,
781 []>, RegConstraint<"$addr.offreg = $ea_result">,
782 NoEncode<"$ea_result">;
784 def LHAUX : XForm_1<31, 375, (outs GPRC:$rD, ptr_rc_nor0:$ea_result),
786 "lhaux $rD, $addr", LdStLHAU,
787 []>, RegConstraint<"$addr.offreg = $ea_result">,
788 NoEncode<"$ea_result">;
790 def LHZUX : XForm_1<31, 311, (outs GPRC:$rD, ptr_rc_nor0:$ea_result),
792 "lhzux $rD, $addr", LdStLoadUpd,
793 []>, RegConstraint<"$addr.offreg = $ea_result">,
794 NoEncode<"$ea_result">;
796 def LWZUX : XForm_1<31, 55, (outs GPRC:$rD, ptr_rc_nor0:$ea_result),
798 "lwzux $rD, $addr", LdStLoadUpd,
799 []>, RegConstraint<"$addr.offreg = $ea_result">,
800 NoEncode<"$ea_result">;
802 def LFSUX : XForm_1<31, 567, (outs F4RC:$rD, ptr_rc_nor0:$ea_result),
804 "lfsux $rD, $addr", LdStLFDU,
805 []>, RegConstraint<"$addr.offreg = $ea_result">,
806 NoEncode<"$ea_result">;
808 def LFDUX : XForm_1<31, 631, (outs F8RC:$rD, ptr_rc_nor0:$ea_result),
810 "lfdux $rD, $addr", LdStLFDU,
811 []>, RegConstraint<"$addr.offreg = $ea_result">,
812 NoEncode<"$ea_result">;
816 // Indexed (r+r) Loads.
818 let canFoldAsLoad = 1, PPC970_Unit = 2 in {
819 def LBZX : XForm_1<31, 87, (outs GPRC:$rD), (ins memrr:$src),
820 "lbzx $rD, $src", LdStLoad,
821 [(set GPRC:$rD, (zextloadi8 xaddr:$src))]>;
822 def LHAX : XForm_1<31, 343, (outs GPRC:$rD), (ins memrr:$src),
823 "lhax $rD, $src", LdStLHA,
824 [(set GPRC:$rD, (sextloadi16 xaddr:$src))]>,
825 PPC970_DGroup_Cracked;
826 def LHZX : XForm_1<31, 279, (outs GPRC:$rD), (ins memrr:$src),
827 "lhzx $rD, $src", LdStLoad,
828 [(set GPRC:$rD, (zextloadi16 xaddr:$src))]>;
829 def LWZX : XForm_1<31, 23, (outs GPRC:$rD), (ins memrr:$src),
830 "lwzx $rD, $src", LdStLoad,
831 [(set GPRC:$rD, (load xaddr:$src))]>;
834 def LHBRX : XForm_1<31, 790, (outs GPRC:$rD), (ins memrr:$src),
835 "lhbrx $rD, $src", LdStLoad,
836 [(set GPRC:$rD, (PPClbrx xoaddr:$src, i16))]>;
837 def LWBRX : XForm_1<31, 534, (outs GPRC:$rD), (ins memrr:$src),
838 "lwbrx $rD, $src", LdStLoad,
839 [(set GPRC:$rD, (PPClbrx xoaddr:$src, i32))]>;
841 def LFSX : XForm_25<31, 535, (outs F4RC:$frD), (ins memrr:$src),
842 "lfsx $frD, $src", LdStLFD,
843 [(set F4RC:$frD, (load xaddr:$src))]>;
844 def LFDX : XForm_25<31, 599, (outs F8RC:$frD), (ins memrr:$src),
845 "lfdx $frD, $src", LdStLFD,
846 [(set F8RC:$frD, (load xaddr:$src))]>;
849 //===----------------------------------------------------------------------===//
850 // PPC32 Store Instructions.
853 // Unindexed (r+i) Stores.
854 let PPC970_Unit = 2 in {
855 def STB : DForm_1<38, (outs), (ins GPRC:$rS, memri:$src),
856 "stb $rS, $src", LdStStore,
857 [(truncstorei8 GPRC:$rS, iaddr:$src)]>;
858 def STH : DForm_1<44, (outs), (ins GPRC:$rS, memri:$src),
859 "sth $rS, $src", LdStStore,
860 [(truncstorei16 GPRC:$rS, iaddr:$src)]>;
861 def STW : DForm_1<36, (outs), (ins GPRC:$rS, memri:$src),
862 "stw $rS, $src", LdStStore,
863 [(store GPRC:$rS, iaddr:$src)]>;
864 def STFS : DForm_1<52, (outs), (ins F4RC:$rS, memri:$dst),
865 "stfs $rS, $dst", LdStSTFD,
866 [(store F4RC:$rS, iaddr:$dst)]>;
867 def STFD : DForm_1<54, (outs), (ins F8RC:$rS, memri:$dst),
868 "stfd $rS, $dst", LdStSTFD,
869 [(store F8RC:$rS, iaddr:$dst)]>;
872 // Unindexed (r+i) Stores with Update (preinc).
873 let PPC970_Unit = 2 in {
874 def STBU : DForm_1a<39, (outs ptr_rc_nor0:$ea_res), (ins GPRC:$rS,
875 symbolLo:$ptroff, ptr_rc_nor0:$ptrreg),
876 "stbu $rS, $ptroff($ptrreg)", LdStStoreUpd,
877 [(set ptr_rc_nor0:$ea_res,
878 (pre_truncsti8 GPRC:$rS, ptr_rc_nor0:$ptrreg,
879 iaddroff:$ptroff))]>,
880 RegConstraint<"$ptrreg = $ea_res">, NoEncode<"$ea_res">;
881 def STHU : DForm_1a<45, (outs ptr_rc_nor0:$ea_res), (ins GPRC:$rS,
882 symbolLo:$ptroff, ptr_rc_nor0:$ptrreg),
883 "sthu $rS, $ptroff($ptrreg)", LdStStoreUpd,
884 [(set ptr_rc_nor0:$ea_res,
885 (pre_truncsti16 GPRC:$rS, ptr_rc_nor0:$ptrreg,
886 iaddroff:$ptroff))]>,
887 RegConstraint<"$ptrreg = $ea_res">, NoEncode<"$ea_res">;
888 def STWU : DForm_1a<37, (outs ptr_rc_nor0:$ea_res), (ins GPRC:$rS,
889 symbolLo:$ptroff, ptr_rc_nor0:$ptrreg),
890 "stwu $rS, $ptroff($ptrreg)", LdStStoreUpd,
891 [(set ptr_rc_nor0:$ea_res, (pre_store GPRC:$rS, ptr_rc_nor0:$ptrreg,
892 iaddroff:$ptroff))]>,
893 RegConstraint<"$ptrreg = $ea_res">, NoEncode<"$ea_res">;
894 def STFSU : DForm_1a<37, (outs ptr_rc_nor0:$ea_res), (ins F4RC:$rS,
895 symbolLo:$ptroff, ptr_rc_nor0:$ptrreg),
896 "stfsu $rS, $ptroff($ptrreg)", LdStSTFDU,
897 [(set ptr_rc_nor0:$ea_res, (pre_store F4RC:$rS, ptr_rc_nor0:$ptrreg,
898 iaddroff:$ptroff))]>,
899 RegConstraint<"$ptrreg = $ea_res">, NoEncode<"$ea_res">;
900 def STFDU : DForm_1a<37, (outs ptr_rc_nor0:$ea_res), (ins F8RC:$rS,
901 symbolLo:$ptroff, ptr_rc_nor0:$ptrreg),
902 "stfdu $rS, $ptroff($ptrreg)", LdStSTFDU,
903 [(set ptr_rc_nor0:$ea_res, (pre_store F8RC:$rS, ptr_rc_nor0:$ptrreg,
904 iaddroff:$ptroff))]>,
905 RegConstraint<"$ptrreg = $ea_res">, NoEncode<"$ea_res">;
909 // Indexed (r+r) Stores.
911 let PPC970_Unit = 2 in {
912 def STBX : XForm_8<31, 215, (outs), (ins GPRC:$rS, memrr:$dst),
913 "stbx $rS, $dst", LdStStore,
914 [(truncstorei8 GPRC:$rS, xaddr:$dst)]>,
915 PPC970_DGroup_Cracked;
916 def STHX : XForm_8<31, 407, (outs), (ins GPRC:$rS, memrr:$dst),
917 "sthx $rS, $dst", LdStStore,
918 [(truncstorei16 GPRC:$rS, xaddr:$dst)]>,
919 PPC970_DGroup_Cracked;
920 def STWX : XForm_8<31, 151, (outs), (ins GPRC:$rS, memrr:$dst),
921 "stwx $rS, $dst", LdStStore,
922 [(store GPRC:$rS, xaddr:$dst)]>,
923 PPC970_DGroup_Cracked;
925 def STBUX : XForm_8<31, 247, (outs ptr_rc_nor0:$ea_res),
926 (ins GPRC:$rS, ptr_rc_nor0:$ptroff, ptr_rc:$ptrreg),
927 "stbux $rS, $ptroff, $ptrreg", LdStStoreUpd,
928 [(set ptr_rc_nor0:$ea_res,
929 (pre_truncsti8 GPRC:$rS,
930 ptr_rc:$ptrreg, xaddroff:$ptroff))]>,
931 RegConstraint<"$ptroff = $ea_res">, NoEncode<"$ea_res">,
932 PPC970_DGroup_Cracked;
934 def STHUX : XForm_8<31, 439, (outs ptr_rc_nor0:$ea_res),
935 (ins GPRC:$rS, ptr_rc_nor0:$ptroff, ptr_rc:$ptrreg),
936 "sthux $rS, $ptroff, $ptrreg", LdStStoreUpd,
937 [(set ptr_rc_nor0:$ea_res,
938 (pre_truncsti16 GPRC:$rS,
939 ptr_rc:$ptrreg, xaddroff:$ptroff))]>,
940 RegConstraint<"$ptroff = $ea_res">, NoEncode<"$ea_res">,
941 PPC970_DGroup_Cracked;
943 def STWUX : XForm_8<31, 183, (outs ptr_rc_nor0:$ea_res),
944 (ins GPRC:$rS, ptr_rc_nor0:$ptroff, ptr_rc:$ptrreg),
945 "stwux $rS, $ptroff, $ptrreg", LdStStoreUpd,
946 [(set ptr_rc_nor0:$ea_res,
947 (pre_store GPRC:$rS, ptr_rc:$ptrreg, xaddroff:$ptroff))]>,
948 RegConstraint<"$ptroff = $ea_res">, NoEncode<"$ea_res">,
949 PPC970_DGroup_Cracked;
951 def STFSUX : XForm_8<31, 695, (outs ptr_rc_nor0:$ea_res),
952 (ins F4RC:$rS, ptr_rc_nor0:$ptroff, ptr_rc:$ptrreg),
953 "stfsux $rS, $ptroff, $ptrreg", LdStSTFDU,
954 [(set ptr_rc_nor0:$ea_res,
955 (pre_store F4RC:$rS, ptr_rc:$ptrreg, xaddroff:$ptroff))]>,
956 RegConstraint<"$ptroff = $ea_res">, NoEncode<"$ea_res">,
957 PPC970_DGroup_Cracked;
959 def STFDUX : XForm_8<31, 759, (outs ptr_rc_nor0:$ea_res),
960 (ins F8RC:$rS, ptr_rc_nor0:$ptroff, ptr_rc:$ptrreg),
961 "stfdux $rS, $ptroff, $ptrreg", LdStSTFDU,
962 [(set ptr_rc_nor0:$ea_res,
963 (pre_store F8RC:$rS, ptr_rc:$ptrreg, xaddroff:$ptroff))]>,
964 RegConstraint<"$ptroff = $ea_res">, NoEncode<"$ea_res">,
965 PPC970_DGroup_Cracked;
967 def STHBRX: XForm_8<31, 918, (outs), (ins GPRC:$rS, memrr:$dst),
968 "sthbrx $rS, $dst", LdStStore,
969 [(PPCstbrx GPRC:$rS, xoaddr:$dst, i16)]>,
970 PPC970_DGroup_Cracked;
971 def STWBRX: XForm_8<31, 662, (outs), (ins GPRC:$rS, memrr:$dst),
972 "stwbrx $rS, $dst", LdStStore,
973 [(PPCstbrx GPRC:$rS, xoaddr:$dst, i32)]>,
974 PPC970_DGroup_Cracked;
976 def STFIWX: XForm_28<31, 983, (outs), (ins F8RC:$frS, memrr:$dst),
977 "stfiwx $frS, $dst", LdStSTFD,
978 [(PPCstfiwx F8RC:$frS, xoaddr:$dst)]>;
980 def STFSX : XForm_28<31, 663, (outs), (ins F4RC:$frS, memrr:$dst),
981 "stfsx $frS, $dst", LdStSTFD,
982 [(store F4RC:$frS, xaddr:$dst)]>;
983 def STFDX : XForm_28<31, 727, (outs), (ins F8RC:$frS, memrr:$dst),
984 "stfdx $frS, $dst", LdStSTFD,
985 [(store F8RC:$frS, xaddr:$dst)]>;
988 def SYNC : XForm_24_sync<31, 598, (outs), (ins),
992 //===----------------------------------------------------------------------===//
993 // PPC32 Arithmetic Instructions.
996 let PPC970_Unit = 1 in { // FXU Operations.
997 def ADDI : DForm_2<14, (outs GPRC:$rD), (ins GPRC_NOR0:$rA, s16imm:$imm),
998 "addi $rD, $rA, $imm", IntSimple,
999 [(set GPRC:$rD, (add GPRC_NOR0:$rA, immSExt16:$imm))]>;
1000 def ADDIL : DForm_2<14, (outs GPRC:$rD), (ins GPRC_NOR0:$rA, symbolLo:$imm),
1001 "addi $rD, $rA, $imm", IntSimple,
1002 [(set GPRC:$rD, (add GPRC_NOR0:$rA, immSExt16:$imm))]>;
1003 let Defs = [CARRY] in {
1004 def ADDIC : DForm_2<12, (outs GPRC:$rD), (ins GPRC:$rA, s16imm:$imm),
1005 "addic $rD, $rA, $imm", IntGeneral,
1006 [(set GPRC:$rD, (addc GPRC:$rA, immSExt16:$imm))]>,
1007 PPC970_DGroup_Cracked;
1008 def ADDICo : DForm_2<13, (outs GPRC:$rD), (ins GPRC:$rA, s16imm:$imm),
1009 "addic. $rD, $rA, $imm", IntGeneral,
1012 def ADDIS : DForm_2<15, (outs GPRC:$rD), (ins GPRC_NOR0:$rA, symbolHi:$imm),
1013 "addis $rD, $rA, $imm", IntSimple,
1014 [(set GPRC:$rD, (add GPRC_NOR0:$rA,
1015 imm16ShiftedSExt:$imm))]>;
1016 def LA : DForm_2<14, (outs GPRC:$rD), (ins GPRC_NOR0:$rA, symbolLo:$sym),
1017 "la $rD, $sym($rA)", IntGeneral,
1018 [(set GPRC:$rD, (add GPRC_NOR0:$rA,
1019 (PPClo tglobaladdr:$sym, 0)))]>;
1020 def MULLI : DForm_2< 7, (outs GPRC:$rD), (ins GPRC:$rA, s16imm:$imm),
1021 "mulli $rD, $rA, $imm", IntMulLI,
1022 [(set GPRC:$rD, (mul GPRC:$rA, immSExt16:$imm))]>;
1023 let Defs = [CARRY] in {
1024 def SUBFIC : DForm_2< 8, (outs GPRC:$rD), (ins GPRC:$rA, s16imm:$imm),
1025 "subfic $rD, $rA, $imm", IntGeneral,
1026 [(set GPRC:$rD, (subc immSExt16:$imm, GPRC:$rA))]>;
1029 let isReMaterializable = 1, isAsCheapAsAMove = 1, isMoveImm = 1 in {
1030 def LI : DForm_2_r0<14, (outs GPRC:$rD), (ins symbolLo:$imm),
1031 "li $rD, $imm", IntSimple,
1032 [(set GPRC:$rD, immSExt16:$imm)]>;
1033 def LIS : DForm_2_r0<15, (outs GPRC:$rD), (ins symbolHi:$imm),
1034 "lis $rD, $imm", IntSimple,
1035 [(set GPRC:$rD, imm16ShiftedSExt:$imm)]>;
1039 let PPC970_Unit = 1 in { // FXU Operations.
1040 def ANDIo : DForm_4<28, (outs GPRC:$dst), (ins GPRC:$src1, u16imm:$src2),
1041 "andi. $dst, $src1, $src2", IntGeneral,
1042 [(set GPRC:$dst, (and GPRC:$src1, immZExt16:$src2))]>,
1044 def ANDISo : DForm_4<29, (outs GPRC:$dst), (ins GPRC:$src1, u16imm:$src2),
1045 "andis. $dst, $src1, $src2", IntGeneral,
1046 [(set GPRC:$dst, (and GPRC:$src1,imm16ShiftedZExt:$src2))]>,
1048 def ORI : DForm_4<24, (outs GPRC:$dst), (ins GPRC:$src1, u16imm:$src2),
1049 "ori $dst, $src1, $src2", IntSimple,
1050 [(set GPRC:$dst, (or GPRC:$src1, immZExt16:$src2))]>;
1051 def ORIS : DForm_4<25, (outs GPRC:$dst), (ins GPRC:$src1, u16imm:$src2),
1052 "oris $dst, $src1, $src2", IntSimple,
1053 [(set GPRC:$dst, (or GPRC:$src1, imm16ShiftedZExt:$src2))]>;
1054 def XORI : DForm_4<26, (outs GPRC:$dst), (ins GPRC:$src1, u16imm:$src2),
1055 "xori $dst, $src1, $src2", IntSimple,
1056 [(set GPRC:$dst, (xor GPRC:$src1, immZExt16:$src2))]>;
1057 def XORIS : DForm_4<27, (outs GPRC:$dst), (ins GPRC:$src1, u16imm:$src2),
1058 "xoris $dst, $src1, $src2", IntSimple,
1059 [(set GPRC:$dst, (xor GPRC:$src1,imm16ShiftedZExt:$src2))]>;
1060 def NOP : DForm_4_zero<24, (outs), (ins), "nop", IntSimple,
1062 def CMPWI : DForm_5_ext<11, (outs CRRC:$crD), (ins GPRC:$rA, s16imm:$imm),
1063 "cmpwi $crD, $rA, $imm", IntCompare>;
1064 def CMPLWI : DForm_6_ext<10, (outs CRRC:$dst), (ins GPRC:$src1, u16imm:$src2),
1065 "cmplwi $dst, $src1, $src2", IntCompare>;
1069 let PPC970_Unit = 1 in { // FXU Operations.
1070 def NAND : XForm_6<31, 476, (outs GPRC:$rA), (ins GPRC:$rS, GPRC:$rB),
1071 "nand $rA, $rS, $rB", IntSimple,
1072 [(set GPRC:$rA, (not (and GPRC:$rS, GPRC:$rB)))]>;
1073 def AND : XForm_6<31, 28, (outs GPRC:$rA), (ins GPRC:$rS, GPRC:$rB),
1074 "and $rA, $rS, $rB", IntSimple,
1075 [(set GPRC:$rA, (and GPRC:$rS, GPRC:$rB))]>;
1076 def ANDC : XForm_6<31, 60, (outs GPRC:$rA), (ins GPRC:$rS, GPRC:$rB),
1077 "andc $rA, $rS, $rB", IntSimple,
1078 [(set GPRC:$rA, (and GPRC:$rS, (not GPRC:$rB)))]>;
1079 def OR : XForm_6<31, 444, (outs GPRC:$rA), (ins GPRC:$rS, GPRC:$rB),
1080 "or $rA, $rS, $rB", IntSimple,
1081 [(set GPRC:$rA, (or GPRC:$rS, GPRC:$rB))]>;
1082 def NOR : XForm_6<31, 124, (outs GPRC:$rA), (ins GPRC:$rS, GPRC:$rB),
1083 "nor $rA, $rS, $rB", IntSimple,
1084 [(set GPRC:$rA, (not (or GPRC:$rS, GPRC:$rB)))]>;
1085 def ORC : XForm_6<31, 412, (outs GPRC:$rA), (ins GPRC:$rS, GPRC:$rB),
1086 "orc $rA, $rS, $rB", IntSimple,
1087 [(set GPRC:$rA, (or GPRC:$rS, (not GPRC:$rB)))]>;
1088 def EQV : XForm_6<31, 284, (outs GPRC:$rA), (ins GPRC:$rS, GPRC:$rB),
1089 "eqv $rA, $rS, $rB", IntSimple,
1090 [(set GPRC:$rA, (not (xor GPRC:$rS, GPRC:$rB)))]>;
1091 def XOR : XForm_6<31, 316, (outs GPRC:$rA), (ins GPRC:$rS, GPRC:$rB),
1092 "xor $rA, $rS, $rB", IntSimple,
1093 [(set GPRC:$rA, (xor GPRC:$rS, GPRC:$rB))]>;
1094 def SLW : XForm_6<31, 24, (outs GPRC:$rA), (ins GPRC:$rS, GPRC:$rB),
1095 "slw $rA, $rS, $rB", IntGeneral,
1096 [(set GPRC:$rA, (PPCshl GPRC:$rS, GPRC:$rB))]>;
1097 def SRW : XForm_6<31, 536, (outs GPRC:$rA), (ins GPRC:$rS, GPRC:$rB),
1098 "srw $rA, $rS, $rB", IntGeneral,
1099 [(set GPRC:$rA, (PPCsrl GPRC:$rS, GPRC:$rB))]>;
1100 let Defs = [CARRY] in {
1101 def SRAW : XForm_6<31, 792, (outs GPRC:$rA), (ins GPRC:$rS, GPRC:$rB),
1102 "sraw $rA, $rS, $rB", IntShift,
1103 [(set GPRC:$rA, (PPCsra GPRC:$rS, GPRC:$rB))]>;
1107 let PPC970_Unit = 1 in { // FXU Operations.
1108 let Defs = [CARRY] in {
1109 def SRAWI : XForm_10<31, 824, (outs GPRC:$rA), (ins GPRC:$rS, u5imm:$SH),
1110 "srawi $rA, $rS, $SH", IntShift,
1111 [(set GPRC:$rA, (sra GPRC:$rS, (i32 imm:$SH)))]>;
1113 def CNTLZW : XForm_11<31, 26, (outs GPRC:$rA), (ins GPRC:$rS),
1114 "cntlzw $rA, $rS", IntGeneral,
1115 [(set GPRC:$rA, (ctlz GPRC:$rS))]>;
1116 def EXTSB : XForm_11<31, 954, (outs GPRC:$rA), (ins GPRC:$rS),
1117 "extsb $rA, $rS", IntSimple,
1118 [(set GPRC:$rA, (sext_inreg GPRC:$rS, i8))]>;
1119 def EXTSH : XForm_11<31, 922, (outs GPRC:$rA), (ins GPRC:$rS),
1120 "extsh $rA, $rS", IntSimple,
1121 [(set GPRC:$rA, (sext_inreg GPRC:$rS, i16))]>;
1123 def CMPW : XForm_16_ext<31, 0, (outs CRRC:$crD), (ins GPRC:$rA, GPRC:$rB),
1124 "cmpw $crD, $rA, $rB", IntCompare>;
1125 def CMPLW : XForm_16_ext<31, 32, (outs CRRC:$crD), (ins GPRC:$rA, GPRC:$rB),
1126 "cmplw $crD, $rA, $rB", IntCompare>;
1128 let PPC970_Unit = 3 in { // FPU Operations.
1129 //def FCMPO : XForm_17<63, 32, (outs CRRC:$crD), (ins FPRC:$fA, FPRC:$fB),
1130 // "fcmpo $crD, $fA, $fB", FPCompare>;
1131 def FCMPUS : XForm_17<63, 0, (outs CRRC:$crD), (ins F4RC:$fA, F4RC:$fB),
1132 "fcmpu $crD, $fA, $fB", FPCompare>;
1133 def FCMPUD : XForm_17<63, 0, (outs CRRC:$crD), (ins F8RC:$fA, F8RC:$fB),
1134 "fcmpu $crD, $fA, $fB", FPCompare>;
1136 let Uses = [RM] in {
1137 def FCTIWZ : XForm_26<63, 15, (outs F8RC:$frD), (ins F8RC:$frB),
1138 "fctiwz $frD, $frB", FPGeneral,
1139 [(set F8RC:$frD, (PPCfctiwz F8RC:$frB))]>;
1140 def FRSP : XForm_26<63, 12, (outs F4RC:$frD), (ins F8RC:$frB),
1141 "frsp $frD, $frB", FPGeneral,
1142 [(set F4RC:$frD, (fround F8RC:$frB))]>;
1143 def FSQRT : XForm_26<63, 22, (outs F8RC:$frD), (ins F8RC:$frB),
1144 "fsqrt $frD, $frB", FPSqrt,
1145 [(set F8RC:$frD, (fsqrt F8RC:$frB))]>;
1146 def FSQRTS : XForm_26<59, 22, (outs F4RC:$frD), (ins F4RC:$frB),
1147 "fsqrts $frD, $frB", FPSqrt,
1148 [(set F4RC:$frD, (fsqrt F4RC:$frB))]>;
1152 /// Note that FMR is defined as pseudo-ops on the PPC970 because they are
1153 /// often coalesced away and we don't want the dispatch group builder to think
1154 /// that they will fill slots (which could cause the load of a LSU reject to
1155 /// sneak into a d-group with a store).
1156 def FMR : XForm_26<63, 72, (outs F4RC:$frD), (ins F4RC:$frB),
1157 "fmr $frD, $frB", FPGeneral,
1158 []>, // (set F4RC:$frD, F4RC:$frB)
1161 let PPC970_Unit = 3 in { // FPU Operations.
1162 // These are artificially split into two different forms, for 4/8 byte FP.
1163 def FABSS : XForm_26<63, 264, (outs F4RC:$frD), (ins F4RC:$frB),
1164 "fabs $frD, $frB", FPGeneral,
1165 [(set F4RC:$frD, (fabs F4RC:$frB))]>;
1166 def FABSD : XForm_26<63, 264, (outs F8RC:$frD), (ins F8RC:$frB),
1167 "fabs $frD, $frB", FPGeneral,
1168 [(set F8RC:$frD, (fabs F8RC:$frB))]>;
1169 def FNABSS : XForm_26<63, 136, (outs F4RC:$frD), (ins F4RC:$frB),
1170 "fnabs $frD, $frB", FPGeneral,
1171 [(set F4RC:$frD, (fneg (fabs F4RC:$frB)))]>;
1172 def FNABSD : XForm_26<63, 136, (outs F8RC:$frD), (ins F8RC:$frB),
1173 "fnabs $frD, $frB", FPGeneral,
1174 [(set F8RC:$frD, (fneg (fabs F8RC:$frB)))]>;
1175 def FNEGS : XForm_26<63, 40, (outs F4RC:$frD), (ins F4RC:$frB),
1176 "fneg $frD, $frB", FPGeneral,
1177 [(set F4RC:$frD, (fneg F4RC:$frB))]>;
1178 def FNEGD : XForm_26<63, 40, (outs F8RC:$frD), (ins F8RC:$frB),
1179 "fneg $frD, $frB", FPGeneral,
1180 [(set F8RC:$frD, (fneg F8RC:$frB))]>;
1184 // XL-Form instructions. condition register logical ops.
1186 def MCRF : XLForm_3<19, 0, (outs CRRC:$BF), (ins CRRC:$BFA),
1187 "mcrf $BF, $BFA", BrMCR>,
1188 PPC970_DGroup_First, PPC970_Unit_CRU;
1190 def CREQV : XLForm_1<19, 289, (outs CRBITRC:$CRD),
1191 (ins CRBITRC:$CRA, CRBITRC:$CRB),
1192 "creqv $CRD, $CRA, $CRB", BrCR,
1195 def CROR : XLForm_1<19, 449, (outs CRBITRC:$CRD),
1196 (ins CRBITRC:$CRA, CRBITRC:$CRB),
1197 "cror $CRD, $CRA, $CRB", BrCR,
1200 def CRSET : XLForm_1_ext<19, 289, (outs CRBITRC:$dst), (ins),
1201 "creqv $dst, $dst, $dst", BrCR,
1204 def CRUNSET: XLForm_1_ext<19, 193, (outs CRBITRC:$dst), (ins),
1205 "crxor $dst, $dst, $dst", BrCR,
1208 let Defs = [CR1EQ], CRD = 6 in {
1209 def CR6SET : XLForm_1_ext<19, 289, (outs), (ins),
1210 "creqv 6, 6, 6", BrCR,
1213 def CR6UNSET: XLForm_1_ext<19, 193, (outs), (ins),
1214 "crxor 6, 6, 6", BrCR,
1218 // XFX-Form instructions. Instructions that deal with SPRs.
1220 let Uses = [CTR] in {
1221 def MFCTR : XFXForm_1_ext<31, 339, 9, (outs GPRC:$rT), (ins),
1222 "mfctr $rT", SprMFSPR>,
1223 PPC970_DGroup_First, PPC970_Unit_FXU;
1225 let Defs = [CTR], Pattern = [(PPCmtctr GPRC:$rS)] in {
1226 def MTCTR : XFXForm_7_ext<31, 467, 9, (outs), (ins GPRC:$rS),
1227 "mtctr $rS", SprMTSPR>,
1228 PPC970_DGroup_First, PPC970_Unit_FXU;
1231 let Defs = [LR] in {
1232 def MTLR : XFXForm_7_ext<31, 467, 8, (outs), (ins GPRC:$rS),
1233 "mtlr $rS", SprMTSPR>,
1234 PPC970_DGroup_First, PPC970_Unit_FXU;
1236 let Uses = [LR] in {
1237 def MFLR : XFXForm_1_ext<31, 339, 8, (outs GPRC:$rT), (ins),
1238 "mflr $rT", SprMFSPR>,
1239 PPC970_DGroup_First, PPC970_Unit_FXU;
1242 // Move to/from VRSAVE: despite being a SPR, the VRSAVE register is renamed like
1243 // a GPR on the PPC970. As such, copies in and out have the same performance
1244 // characteristics as an OR instruction.
1245 def MTVRSAVE : XFXForm_7_ext<31, 467, 256, (outs), (ins GPRC:$rS),
1246 "mtspr 256, $rS", IntGeneral>,
1247 PPC970_DGroup_Single, PPC970_Unit_FXU;
1248 def MFVRSAVE : XFXForm_1_ext<31, 339, 256, (outs GPRC:$rT), (ins),
1249 "mfspr $rT, 256", IntGeneral>,
1250 PPC970_DGroup_First, PPC970_Unit_FXU;
1252 def MTCRF : XFXForm_5<31, 144, (outs crbitm:$FXM), (ins GPRC:$rS),
1253 "mtcrf $FXM, $rS", BrMCRX>,
1254 PPC970_MicroCode, PPC970_Unit_CRU;
1256 // This is a pseudo for MFCR, which implicitly uses all 8 of its subregisters;
1257 // declaring that here gives the local register allocator problems with this:
1259 // MFCR <kill of whatever preg got assigned to vreg>
1260 // while not declaring it breaks DeadMachineInstructionElimination.
1261 // As it turns out, in all cases where we currently use this,
1262 // we're only interested in one subregister of it. Represent this in the
1263 // instruction to keep the register allocator from becoming confused.
1265 // FIXME: Make this a real Pseudo instruction when the JIT switches to MC.
1266 def MFCRpseud: XFXForm_3<31, 19, (outs GPRC:$rT), (ins crbitm:$FXM),
1267 "#MFCRpseud", SprMFCR>,
1268 PPC970_MicroCode, PPC970_Unit_CRU;
1270 def MFCR : XFXForm_3<31, 19, (outs GPRC:$rT), (ins),
1271 "mfcr $rT", SprMFCR>,
1272 PPC970_MicroCode, PPC970_Unit_CRU;
1274 def MFOCRF: XFXForm_5a<31, 19, (outs GPRC:$rT), (ins crbitm:$FXM),
1275 "mfocrf $rT, $FXM", SprMFCR>,
1276 PPC970_DGroup_First, PPC970_Unit_CRU;
1278 // Instructions to manipulate FPSCR. Only long double handling uses these.
1279 // FPSCR is not modelled; we use the SDNode Flag to keep things in order.
1281 let Uses = [RM], Defs = [RM] in {
1282 def MTFSB0 : XForm_43<63, 70, (outs), (ins u5imm:$FM),
1283 "mtfsb0 $FM", IntMTFSB0,
1284 [(PPCmtfsb0 (i32 imm:$FM))]>,
1285 PPC970_DGroup_Single, PPC970_Unit_FPU;
1286 def MTFSB1 : XForm_43<63, 38, (outs), (ins u5imm:$FM),
1287 "mtfsb1 $FM", IntMTFSB0,
1288 [(PPCmtfsb1 (i32 imm:$FM))]>,
1289 PPC970_DGroup_Single, PPC970_Unit_FPU;
1290 // MTFSF does not actually produce an FP result. We pretend it copies
1291 // input reg B to the output. If we didn't do this it would look like the
1292 // instruction had no outputs (because we aren't modelling the FPSCR) and
1293 // it would be deleted.
1294 def MTFSF : XFLForm<63, 711, (outs F8RC:$FRA),
1295 (ins i32imm:$FM, F8RC:$rT, F8RC:$FRB),
1296 "mtfsf $FM, $rT", "$FRB = $FRA", IntMTFSB0,
1297 [(set F8RC:$FRA, (PPCmtfsf (i32 imm:$FM),
1298 F8RC:$rT, F8RC:$FRB))]>,
1299 PPC970_DGroup_Single, PPC970_Unit_FPU;
1301 let Uses = [RM] in {
1302 def MFFS : XForm_42<63, 583, (outs F8RC:$rT), (ins),
1303 "mffs $rT", IntMFFS,
1304 [(set F8RC:$rT, (PPCmffs))]>,
1305 PPC970_DGroup_Single, PPC970_Unit_FPU;
1306 def FADDrtz: AForm_2<63, 21,
1307 (outs F8RC:$FRT), (ins F8RC:$FRA, F8RC:$FRB),
1308 "fadd $FRT, $FRA, $FRB", FPAddSub,
1309 [(set F8RC:$FRT, (PPCfaddrtz F8RC:$FRA, F8RC:$FRB))]>,
1310 PPC970_DGroup_Single, PPC970_Unit_FPU;
1314 let PPC970_Unit = 1 in { // FXU Operations.
1316 // XO-Form instructions. Arithmetic instructions that can set overflow bit
1318 def ADD4 : XOForm_1<31, 266, 0, (outs GPRC:$rT), (ins GPRC:$rA, GPRC:$rB),
1319 "add $rT, $rA, $rB", IntSimple,
1320 [(set GPRC:$rT, (add GPRC:$rA, GPRC:$rB))]>;
1321 let Defs = [CARRY] in {
1322 def ADDC : XOForm_1<31, 10, 0, (outs GPRC:$rT), (ins GPRC:$rA, GPRC:$rB),
1323 "addc $rT, $rA, $rB", IntGeneral,
1324 [(set GPRC:$rT, (addc GPRC:$rA, GPRC:$rB))]>,
1325 PPC970_DGroup_Cracked;
1327 def DIVW : XOForm_1<31, 491, 0, (outs GPRC:$rT), (ins GPRC:$rA, GPRC:$rB),
1328 "divw $rT, $rA, $rB", IntDivW,
1329 [(set GPRC:$rT, (sdiv GPRC:$rA, GPRC:$rB))]>,
1330 PPC970_DGroup_First, PPC970_DGroup_Cracked;
1331 def DIVWU : XOForm_1<31, 459, 0, (outs GPRC:$rT), (ins GPRC:$rA, GPRC:$rB),
1332 "divwu $rT, $rA, $rB", IntDivW,
1333 [(set GPRC:$rT, (udiv GPRC:$rA, GPRC:$rB))]>,
1334 PPC970_DGroup_First, PPC970_DGroup_Cracked;
1335 def MULHW : XOForm_1<31, 75, 0, (outs GPRC:$rT), (ins GPRC:$rA, GPRC:$rB),
1336 "mulhw $rT, $rA, $rB", IntMulHW,
1337 [(set GPRC:$rT, (mulhs GPRC:$rA, GPRC:$rB))]>;
1338 def MULHWU : XOForm_1<31, 11, 0, (outs GPRC:$rT), (ins GPRC:$rA, GPRC:$rB),
1339 "mulhwu $rT, $rA, $rB", IntMulHWU,
1340 [(set GPRC:$rT, (mulhu GPRC:$rA, GPRC:$rB))]>;
1341 def MULLW : XOForm_1<31, 235, 0, (outs GPRC:$rT), (ins GPRC:$rA, GPRC:$rB),
1342 "mullw $rT, $rA, $rB", IntMulHW,
1343 [(set GPRC:$rT, (mul GPRC:$rA, GPRC:$rB))]>;
1344 def SUBF : XOForm_1<31, 40, 0, (outs GPRC:$rT), (ins GPRC:$rA, GPRC:$rB),
1345 "subf $rT, $rA, $rB", IntGeneral,
1346 [(set GPRC:$rT, (sub GPRC:$rB, GPRC:$rA))]>;
1347 let Defs = [CARRY] in {
1348 def SUBFC : XOForm_1<31, 8, 0, (outs GPRC:$rT), (ins GPRC:$rA, GPRC:$rB),
1349 "subfc $rT, $rA, $rB", IntGeneral,
1350 [(set GPRC:$rT, (subc GPRC:$rB, GPRC:$rA))]>,
1351 PPC970_DGroup_Cracked;
1353 def NEG : XOForm_3<31, 104, 0, (outs GPRC:$rT), (ins GPRC:$rA),
1354 "neg $rT, $rA", IntSimple,
1355 [(set GPRC:$rT, (ineg GPRC:$rA))]>;
1356 let Uses = [CARRY], Defs = [CARRY] in {
1357 def ADDE : XOForm_1<31, 138, 0, (outs GPRC:$rT), (ins GPRC:$rA, GPRC:$rB),
1358 "adde $rT, $rA, $rB", IntGeneral,
1359 [(set GPRC:$rT, (adde GPRC:$rA, GPRC:$rB))]>;
1360 def ADDME : XOForm_3<31, 234, 0, (outs GPRC:$rT), (ins GPRC:$rA),
1361 "addme $rT, $rA", IntGeneral,
1362 [(set GPRC:$rT, (adde GPRC:$rA, -1))]>;
1363 def ADDZE : XOForm_3<31, 202, 0, (outs GPRC:$rT), (ins GPRC:$rA),
1364 "addze $rT, $rA", IntGeneral,
1365 [(set GPRC:$rT, (adde GPRC:$rA, 0))]>;
1366 def SUBFE : XOForm_1<31, 136, 0, (outs GPRC:$rT), (ins GPRC:$rA, GPRC:$rB),
1367 "subfe $rT, $rA, $rB", IntGeneral,
1368 [(set GPRC:$rT, (sube GPRC:$rB, GPRC:$rA))]>;
1369 def SUBFME : XOForm_3<31, 232, 0, (outs GPRC:$rT), (ins GPRC:$rA),
1370 "subfme $rT, $rA", IntGeneral,
1371 [(set GPRC:$rT, (sube -1, GPRC:$rA))]>;
1372 def SUBFZE : XOForm_3<31, 200, 0, (outs GPRC:$rT), (ins GPRC:$rA),
1373 "subfze $rT, $rA", IntGeneral,
1374 [(set GPRC:$rT, (sube 0, GPRC:$rA))]>;
1378 // A-Form instructions. Most of the instructions executed in the FPU are of
1381 let PPC970_Unit = 3 in { // FPU Operations.
1382 let Uses = [RM] in {
1383 def FMADD : AForm_1<63, 29,
1384 (outs F8RC:$FRT), (ins F8RC:$FRA, F8RC:$FRC, F8RC:$FRB),
1385 "fmadd $FRT, $FRA, $FRC, $FRB", FPFused,
1387 (fma F8RC:$FRA, F8RC:$FRC, F8RC:$FRB))]>;
1388 def FMADDS : AForm_1<59, 29,
1389 (outs F4RC:$FRT), (ins F4RC:$FRA, F4RC:$FRC, F4RC:$FRB),
1390 "fmadds $FRT, $FRA, $FRC, $FRB", FPGeneral,
1392 (fma F4RC:$FRA, F4RC:$FRC, F4RC:$FRB))]>;
1393 def FMSUB : AForm_1<63, 28,
1394 (outs F8RC:$FRT), (ins F8RC:$FRA, F8RC:$FRC, F8RC:$FRB),
1395 "fmsub $FRT, $FRA, $FRC, $FRB", FPFused,
1397 (fma F8RC:$FRA, F8RC:$FRC, (fneg F8RC:$FRB)))]>;
1398 def FMSUBS : AForm_1<59, 28,
1399 (outs F4RC:$FRT), (ins F4RC:$FRA, F4RC:$FRC, F4RC:$FRB),
1400 "fmsubs $FRT, $FRA, $FRC, $FRB", FPGeneral,
1402 (fma F4RC:$FRA, F4RC:$FRC, (fneg F4RC:$FRB)))]>;
1403 def FNMADD : AForm_1<63, 31,
1404 (outs F8RC:$FRT), (ins F8RC:$FRA, F8RC:$FRC, F8RC:$FRB),
1405 "fnmadd $FRT, $FRA, $FRC, $FRB", FPFused,
1407 (fneg (fma F8RC:$FRA, F8RC:$FRC, F8RC:$FRB)))]>;
1408 def FNMADDS : AForm_1<59, 31,
1409 (outs F4RC:$FRT), (ins F4RC:$FRA, F4RC:$FRC, F4RC:$FRB),
1410 "fnmadds $FRT, $FRA, $FRC, $FRB", FPGeneral,
1412 (fneg (fma F4RC:$FRA, F4RC:$FRC, F4RC:$FRB)))]>;
1413 def FNMSUB : AForm_1<63, 30,
1414 (outs F8RC:$FRT), (ins F8RC:$FRA, F8RC:$FRC, F8RC:$FRB),
1415 "fnmsub $FRT, $FRA, $FRC, $FRB", FPFused,
1416 [(set F8RC:$FRT, (fneg (fma F8RC:$FRA, F8RC:$FRC,
1417 (fneg F8RC:$FRB))))]>;
1418 def FNMSUBS : AForm_1<59, 30,
1419 (outs F4RC:$FRT), (ins F4RC:$FRA, F4RC:$FRC, F4RC:$FRB),
1420 "fnmsubs $FRT, $FRA, $FRC, $FRB", FPGeneral,
1421 [(set F4RC:$FRT, (fneg (fma F4RC:$FRA, F4RC:$FRC,
1422 (fneg F4RC:$FRB))))]>;
1424 // FSEL is artificially split into 4 and 8-byte forms for the result. To avoid
1425 // having 4 of these, force the comparison to always be an 8-byte double (code
1426 // should use an FMRSD if the input comparison value really wants to be a float)
1427 // and 4/8 byte forms for the result and operand type..
1428 def FSELD : AForm_1<63, 23,
1429 (outs F8RC:$FRT), (ins F8RC:$FRA, F8RC:$FRC, F8RC:$FRB),
1430 "fsel $FRT, $FRA, $FRC, $FRB", FPGeneral,
1431 [(set F8RC:$FRT, (PPCfsel F8RC:$FRA,F8RC:$FRC,F8RC:$FRB))]>;
1432 def FSELS : AForm_1<63, 23,
1433 (outs F4RC:$FRT), (ins F8RC:$FRA, F4RC:$FRC, F4RC:$FRB),
1434 "fsel $FRT, $FRA, $FRC, $FRB", FPGeneral,
1435 [(set F4RC:$FRT, (PPCfsel F8RC:$FRA,F4RC:$FRC,F4RC:$FRB))]>;
1436 let Uses = [RM] in {
1437 def FADD : AForm_2<63, 21,
1438 (outs F8RC:$FRT), (ins F8RC:$FRA, F8RC:$FRB),
1439 "fadd $FRT, $FRA, $FRB", FPAddSub,
1440 [(set F8RC:$FRT, (fadd F8RC:$FRA, F8RC:$FRB))]>;
1441 def FADDS : AForm_2<59, 21,
1442 (outs F4RC:$FRT), (ins F4RC:$FRA, F4RC:$FRB),
1443 "fadds $FRT, $FRA, $FRB", FPGeneral,
1444 [(set F4RC:$FRT, (fadd F4RC:$FRA, F4RC:$FRB))]>;
1445 def FDIV : AForm_2<63, 18,
1446 (outs F8RC:$FRT), (ins F8RC:$FRA, F8RC:$FRB),
1447 "fdiv $FRT, $FRA, $FRB", FPDivD,
1448 [(set F8RC:$FRT, (fdiv F8RC:$FRA, F8RC:$FRB))]>;
1449 def FDIVS : AForm_2<59, 18,
1450 (outs F4RC:$FRT), (ins F4RC:$FRA, F4RC:$FRB),
1451 "fdivs $FRT, $FRA, $FRB", FPDivS,
1452 [(set F4RC:$FRT, (fdiv F4RC:$FRA, F4RC:$FRB))]>;
1453 def FMUL : AForm_3<63, 25,
1454 (outs F8RC:$FRT), (ins F8RC:$FRA, F8RC:$FRC),
1455 "fmul $FRT, $FRA, $FRC", FPFused,
1456 [(set F8RC:$FRT, (fmul F8RC:$FRA, F8RC:$FRC))]>;
1457 def FMULS : AForm_3<59, 25,
1458 (outs F4RC:$FRT), (ins F4RC:$FRA, F4RC:$FRC),
1459 "fmuls $FRT, $FRA, $FRC", FPGeneral,
1460 [(set F4RC:$FRT, (fmul F4RC:$FRA, F4RC:$FRC))]>;
1461 def FSUB : AForm_2<63, 20,
1462 (outs F8RC:$FRT), (ins F8RC:$FRA, F8RC:$FRB),
1463 "fsub $FRT, $FRA, $FRB", FPAddSub,
1464 [(set F8RC:$FRT, (fsub F8RC:$FRA, F8RC:$FRB))]>;
1465 def FSUBS : AForm_2<59, 20,
1466 (outs F4RC:$FRT), (ins F4RC:$FRA, F4RC:$FRB),
1467 "fsubs $FRT, $FRA, $FRB", FPGeneral,
1468 [(set F4RC:$FRT, (fsub F4RC:$FRA, F4RC:$FRB))]>;
1472 let PPC970_Unit = 1 in { // FXU Operations.
1473 def ISEL : AForm_4<31, 15,
1474 (outs GPRC:$rT), (ins GPRC_NOR0:$rA, GPRC:$rB, pred:$cond),
1475 "isel $rT, $rA, $rB, $cond", IntGeneral,
1479 let PPC970_Unit = 1 in { // FXU Operations.
1480 // M-Form instructions. rotate and mask instructions.
1482 let isCommutable = 1 in {
1483 // RLWIMI can be commuted if the rotate amount is zero.
1484 def RLWIMI : MForm_2<20,
1485 (outs GPRC:$rA), (ins GPRC:$rSi, GPRC:$rS, u5imm:$SH, u5imm:$MB,
1486 u5imm:$ME), "rlwimi $rA, $rS, $SH, $MB, $ME", IntRotate,
1487 []>, PPC970_DGroup_Cracked, RegConstraint<"$rSi = $rA">,
1490 def RLWINM : MForm_2<21,
1491 (outs GPRC:$rA), (ins GPRC:$rS, u5imm:$SH, u5imm:$MB, u5imm:$ME),
1492 "rlwinm $rA, $rS, $SH, $MB, $ME", IntGeneral,
1494 def RLWINMo : MForm_2<21,
1495 (outs GPRC:$rA), (ins GPRC:$rS, u5imm:$SH, u5imm:$MB, u5imm:$ME),
1496 "rlwinm. $rA, $rS, $SH, $MB, $ME", IntGeneral,
1497 []>, isDOT, PPC970_DGroup_Cracked;
1498 def RLWNM : MForm_2<23,
1499 (outs GPRC:$rA), (ins GPRC:$rS, GPRC:$rB, u5imm:$MB, u5imm:$ME),
1500 "rlwnm $rA, $rS, $rB, $MB, $ME", IntGeneral,
1505 //===----------------------------------------------------------------------===//
1506 // PowerPC Instruction Patterns
1509 // Arbitrary immediate support. Implement in terms of LIS/ORI.
1510 def : Pat<(i32 imm:$imm),
1511 (ORI (LIS (HI16 imm:$imm)), (LO16 imm:$imm))>;
1513 // Implement the 'not' operation with the NOR instruction.
1514 def NOT : Pat<(not GPRC:$in),
1515 (NOR GPRC:$in, GPRC:$in)>;
1517 // ADD an arbitrary immediate.
1518 def : Pat<(add GPRC:$in, imm:$imm),
1519 (ADDIS (ADDI GPRC:$in, (LO16 imm:$imm)), (HA16 imm:$imm))>;
1520 // OR an arbitrary immediate.
1521 def : Pat<(or GPRC:$in, imm:$imm),
1522 (ORIS (ORI GPRC:$in, (LO16 imm:$imm)), (HI16 imm:$imm))>;
1523 // XOR an arbitrary immediate.
1524 def : Pat<(xor GPRC:$in, imm:$imm),
1525 (XORIS (XORI GPRC:$in, (LO16 imm:$imm)), (HI16 imm:$imm))>;
1527 def : Pat<(sub immSExt16:$imm, GPRC:$in),
1528 (SUBFIC GPRC:$in, imm:$imm)>;
1531 def : Pat<(shl GPRC:$in, (i32 imm:$imm)),
1532 (RLWINM GPRC:$in, imm:$imm, 0, (SHL32 imm:$imm))>;
1533 def : Pat<(srl GPRC:$in, (i32 imm:$imm)),
1534 (RLWINM GPRC:$in, (SRL32 imm:$imm), imm:$imm, 31)>;
1537 def : Pat<(rotl GPRC:$in, GPRC:$sh),
1538 (RLWNM GPRC:$in, GPRC:$sh, 0, 31)>;
1539 def : Pat<(rotl GPRC:$in, (i32 imm:$imm)),
1540 (RLWINM GPRC:$in, imm:$imm, 0, 31)>;
1543 def : Pat<(and (rotl GPRC:$in, GPRC:$sh), maskimm32:$imm),
1544 (RLWNM GPRC:$in, GPRC:$sh, (MB maskimm32:$imm), (ME maskimm32:$imm))>;
1547 def : Pat<(PPCcall_Darwin (i32 tglobaladdr:$dst)),
1548 (BL_Darwin tglobaladdr:$dst)>;
1549 def : Pat<(PPCcall_Darwin (i32 texternalsym:$dst)),
1550 (BL_Darwin texternalsym:$dst)>;
1551 def : Pat<(PPCcall_SVR4 (i32 tglobaladdr:$dst)),
1552 (BL_SVR4 tglobaladdr:$dst)>;
1553 def : Pat<(PPCcall_SVR4 (i32 texternalsym:$dst)),
1554 (BL_SVR4 texternalsym:$dst)>;
1557 def : Pat<(PPCtc_return (i32 tglobaladdr:$dst), imm:$imm),
1558 (TCRETURNdi tglobaladdr:$dst, imm:$imm)>;
1560 def : Pat<(PPCtc_return (i32 texternalsym:$dst), imm:$imm),
1561 (TCRETURNdi texternalsym:$dst, imm:$imm)>;
1563 def : Pat<(PPCtc_return CTRRC:$dst, imm:$imm),
1564 (TCRETURNri CTRRC:$dst, imm:$imm)>;
1568 // Hi and Lo for Darwin Global Addresses.
1569 def : Pat<(PPChi tglobaladdr:$in, 0), (LIS tglobaladdr:$in)>;
1570 def : Pat<(PPClo tglobaladdr:$in, 0), (LI tglobaladdr:$in)>;
1571 def : Pat<(PPChi tconstpool:$in, 0), (LIS tconstpool:$in)>;
1572 def : Pat<(PPClo tconstpool:$in, 0), (LI tconstpool:$in)>;
1573 def : Pat<(PPChi tjumptable:$in, 0), (LIS tjumptable:$in)>;
1574 def : Pat<(PPClo tjumptable:$in, 0), (LI tjumptable:$in)>;
1575 def : Pat<(PPChi tblockaddress:$in, 0), (LIS tblockaddress:$in)>;
1576 def : Pat<(PPClo tblockaddress:$in, 0), (LI tblockaddress:$in)>;
1577 def : Pat<(PPChi tglobaltlsaddr:$g, GPRC:$in),
1578 (ADDIS GPRC:$in, tglobaltlsaddr:$g)>;
1579 def : Pat<(PPClo tglobaltlsaddr:$g, GPRC:$in),
1580 (ADDIL GPRC:$in, tglobaltlsaddr:$g)>;
1581 def : Pat<(add GPRC:$in, (PPChi tglobaladdr:$g, 0)),
1582 (ADDIS GPRC:$in, tglobaladdr:$g)>;
1583 def : Pat<(add GPRC:$in, (PPChi tconstpool:$g, 0)),
1584 (ADDIS GPRC:$in, tconstpool:$g)>;
1585 def : Pat<(add GPRC:$in, (PPChi tjumptable:$g, 0)),
1586 (ADDIS GPRC:$in, tjumptable:$g)>;
1587 def : Pat<(add GPRC:$in, (PPChi tblockaddress:$g, 0)),
1588 (ADDIS GPRC:$in, tblockaddress:$g)>;
1590 // Standard shifts. These are represented separately from the real shifts above
1591 // so that we can distinguish between shifts that allow 5-bit and 6-bit shift
1593 def : Pat<(sra GPRC:$rS, GPRC:$rB),
1594 (SRAW GPRC:$rS, GPRC:$rB)>;
1595 def : Pat<(srl GPRC:$rS, GPRC:$rB),
1596 (SRW GPRC:$rS, GPRC:$rB)>;
1597 def : Pat<(shl GPRC:$rS, GPRC:$rB),
1598 (SLW GPRC:$rS, GPRC:$rB)>;
1600 def : Pat<(zextloadi1 iaddr:$src),
1602 def : Pat<(zextloadi1 xaddr:$src),
1604 def : Pat<(extloadi1 iaddr:$src),
1606 def : Pat<(extloadi1 xaddr:$src),
1608 def : Pat<(extloadi8 iaddr:$src),
1610 def : Pat<(extloadi8 xaddr:$src),
1612 def : Pat<(extloadi16 iaddr:$src),
1614 def : Pat<(extloadi16 xaddr:$src),
1616 def : Pat<(f64 (extloadf32 iaddr:$src)),
1617 (COPY_TO_REGCLASS (LFS iaddr:$src), F8RC)>;
1618 def : Pat<(f64 (extloadf32 xaddr:$src)),
1619 (COPY_TO_REGCLASS (LFSX xaddr:$src), F8RC)>;
1621 def : Pat<(f64 (fextend F4RC:$src)),
1622 (COPY_TO_REGCLASS F4RC:$src, F8RC)>;
1625 def : Pat<(membarrier (i32 imm /*ll*/),
1629 (i32 imm /*device*/)),
1632 def : Pat<(atomic_fence (imm), (imm)), (SYNC)>;
1634 include "PPCInstrAltivec.td"
1635 include "PPCInstr64Bit.td"