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);
134 def immSExt16 : PatLeaf<(imm), [{
135 // immSExt16 predicate - True if the immediate fits in a 16-bit sign extended
136 // field. Used by instructions like 'addi'.
137 if (N->getValueType(0) == MVT::i32)
138 return (int32_t)N->getValue() == (short)N->getValue();
140 return (int64_t)N->getValue() == (short)N->getValue();
142 def immZExt16 : PatLeaf<(imm), [{
143 // immZExt16 predicate - True if the immediate fits in a 16-bit zero extended
144 // field. Used by instructions like 'ori'.
145 return (uint64_t)N->getValue() == (unsigned short)N->getValue();
148 // imm16Shifted* - These match immediates where the low 16-bits are zero. There
149 // are two forms: imm16ShiftedSExt and imm16ShiftedZExt. These two forms are
150 // identical in 32-bit mode, but in 64-bit mode, they return true if the
151 // immediate fits into a sign/zero extended 32-bit immediate (with the low bits
153 def imm16ShiftedZExt : PatLeaf<(imm), [{
154 // imm16ShiftedZExt predicate - True if only bits in the top 16-bits of the
155 // immediate are set. Used by instructions like 'xoris'.
156 return (N->getValue() & ~uint64_t(0xFFFF0000)) == 0;
159 def imm16ShiftedSExt : PatLeaf<(imm), [{
160 // imm16ShiftedSExt predicate - True if only bits in the top 16-bits of the
161 // immediate are set. Used by instructions like 'addis'. Identical to
162 // imm16ShiftedZExt in 32-bit mode.
163 if (N->getValue() & 0xFFFF) return false;
164 if (N->getValueType(0) == MVT::i32)
166 // For 64-bit, make sure it is sext right.
167 return N->getValue() == (uint64_t)(int)N->getValue();
171 //===----------------------------------------------------------------------===//
172 // PowerPC Flag Definitions.
174 class isPPC64 { bit PPC64 = 1; }
176 list<Register> Defs = [CR0];
182 //===----------------------------------------------------------------------===//
183 // PowerPC Operand Definitions.
185 def s5imm : Operand<i32> {
186 let PrintMethod = "printS5ImmOperand";
188 def u5imm : Operand<i32> {
189 let PrintMethod = "printU5ImmOperand";
191 def u6imm : Operand<i32> {
192 let PrintMethod = "printU6ImmOperand";
194 def s16imm : Operand<i32> {
195 let PrintMethod = "printS16ImmOperand";
197 def u16imm : Operand<i32> {
198 let PrintMethod = "printU16ImmOperand";
200 def s16immX4 : Operand<i32> { // Multiply imm by 4 before printing.
201 let PrintMethod = "printS16X4ImmOperand";
203 def target : Operand<OtherVT> {
204 let PrintMethod = "printBranchOperand";
206 def calltarget : Operand<iPTR> {
207 let PrintMethod = "printCallOperand";
209 def aaddr : Operand<iPTR> {
210 let PrintMethod = "printAbsAddrOperand";
212 def piclabel: Operand<iPTR> {
213 let PrintMethod = "printPICLabel";
215 def symbolHi: Operand<i32> {
216 let PrintMethod = "printSymbolHi";
218 def symbolLo: Operand<i32> {
219 let PrintMethod = "printSymbolLo";
221 def crbitm: Operand<i8> {
222 let PrintMethod = "printcrbitm";
225 def memri : Operand<iPTR> {
226 let PrintMethod = "printMemRegImm";
227 let NumMIOperands = 2;
228 let MIOperandInfo = (ops i32imm, ptr_rc);
230 def memrr : Operand<iPTR> {
231 let PrintMethod = "printMemRegReg";
232 let NumMIOperands = 2;
233 let MIOperandInfo = (ops ptr_rc, ptr_rc);
235 def memrix : Operand<iPTR> { // memri where the imm is shifted 2 bits.
236 let PrintMethod = "printMemRegImmShifted";
237 let NumMIOperands = 2;
238 let MIOperandInfo = (ops i32imm, ptr_rc);
241 // Define PowerPC specific addressing mode.
242 def iaddr : ComplexPattern<iPTR, 2, "SelectAddrImm", []>;
243 def xaddr : ComplexPattern<iPTR, 2, "SelectAddrIdx", []>;
244 def xoaddr : ComplexPattern<iPTR, 2, "SelectAddrIdxOnly",[]>;
245 def ixaddr : ComplexPattern<iPTR, 2, "SelectAddrImmShift", []>; // "std"
247 //===----------------------------------------------------------------------===//
248 // PowerPC Instruction Predicate Definitions.
249 def FPContractions : Predicate<"!NoExcessFPPrecision">;
251 //===----------------------------------------------------------------------===//
252 // PowerPC Instruction Definitions.
254 // Pseudo-instructions:
256 let hasCtrlDep = 1 in {
257 def ADJCALLSTACKDOWN : Pseudo<(ops u16imm:$amt),
258 "; ADJCALLSTACKDOWN",
259 [(callseq_start imm:$amt)]>;
260 def ADJCALLSTACKUP : Pseudo<(ops u16imm:$amt),
262 [(callseq_end imm:$amt)]>;
264 def UPDATE_VRSAVE : Pseudo<(ops GPRC:$rD, GPRC:$rS),
265 "UPDATE_VRSAVE $rD, $rS", []>;
267 def IMPLICIT_DEF_GPRC: Pseudo<(ops GPRC:$rD), "; IMPLICIT_DEF_GPRC $rD",
268 [(set GPRC:$rD, (undef))]>;
269 def IMPLICIT_DEF_F8 : Pseudo<(ops F8RC:$rD), "; IMPLICIT_DEF_F8 $rD",
270 [(set F8RC:$rD, (undef))]>;
271 def IMPLICIT_DEF_F4 : Pseudo<(ops F4RC:$rD), "; IMPLICIT_DEF_F4 $rD",
272 [(set F4RC:$rD, (undef))]>;
274 // SELECT_CC_* - Used to implement the SELECT_CC DAG operation. Expanded by the
275 // scheduler into a branch sequence.
276 let usesCustomDAGSchedInserter = 1, // Expanded by the scheduler.
277 PPC970_Single = 1 in {
278 def SELECT_CC_I4 : Pseudo<(ops GPRC:$dst, CRRC:$cond, GPRC:$T, GPRC:$F,
279 i32imm:$BROPC), "; SELECT_CC PSEUDO!", []>;
280 def SELECT_CC_I8 : Pseudo<(ops G8RC:$dst, CRRC:$cond, G8RC:$T, G8RC:$F,
281 i32imm:$BROPC), "; SELECT_CC PSEUDO!", []>;
282 def SELECT_CC_F4 : Pseudo<(ops F4RC:$dst, CRRC:$cond, F4RC:$T, F4RC:$F,
283 i32imm:$BROPC), "; SELECT_CC PSEUDO!", []>;
284 def SELECT_CC_F8 : Pseudo<(ops F8RC:$dst, CRRC:$cond, F8RC:$T, F8RC:$F,
285 i32imm:$BROPC), "; SELECT_CC PSEUDO!", []>;
286 def SELECT_CC_VRRC: Pseudo<(ops VRRC:$dst, CRRC:$cond, VRRC:$T, VRRC:$F,
287 i32imm:$BROPC), "; SELECT_CC PSEUDO!", []>;
290 let isTerminator = 1, noResults = 1, PPC970_Unit = 7 in {
292 def BLR : XLForm_2_ext<19, 16, 20, 0, 0, (ops), "blr", BrB, [(retflag)]>;
293 def BCTR : XLForm_2_ext<19, 528, 20, 0, 0, (ops), "bctr", BrB, []>;
297 def MovePCtoLR : Pseudo<(ops piclabel:$label), "bl $label", []>,
300 let isBranch = 1, isTerminator = 1, hasCtrlDep = 1,
301 noResults = 1, PPC970_Unit = 7 in {
302 def COND_BRANCH : Pseudo<(ops CRRC:$crS, u16imm:$opc, target:$dst),
303 "; COND_BRANCH $crS, $opc, $dst",
304 [(PPCcondbranch CRRC:$crS, imm:$opc, bb:$dst)]>;
305 def B : IForm<18, 0, 0, (ops target:$dst),
309 def BLT : BForm<16, 0, 0, 12, 0, (ops CRRC:$crS, target:$block),
310 "blt $crS, $block", BrB>;
311 def BLE : BForm<16, 0, 0, 4, 1, (ops CRRC:$crS, target:$block),
312 "ble $crS, $block", BrB>;
313 def BEQ : BForm<16, 0, 0, 12, 2, (ops CRRC:$crS, target:$block),
314 "beq $crS, $block", BrB>;
315 def BGE : BForm<16, 0, 0, 4, 0, (ops CRRC:$crS, target:$block),
316 "bge $crS, $block", BrB>;
317 def BGT : BForm<16, 0, 0, 12, 1, (ops CRRC:$crS, target:$block),
318 "bgt $crS, $block", BrB>;
319 def BNE : BForm<16, 0, 0, 4, 2, (ops CRRC:$crS, target:$block),
320 "bne $crS, $block", BrB>;
321 def BUN : BForm<16, 0, 0, 12, 3, (ops CRRC:$crS, target:$block),
322 "bun $crS, $block", BrB>;
323 def BNU : BForm<16, 0, 0, 4, 3, (ops CRRC:$crS, target:$block),
324 "bnu $crS, $block", BrB>;
327 let isCall = 1, noResults = 1, PPC970_Unit = 7,
328 // All calls clobber the non-callee saved registers...
329 Defs = [R0,R2,R3,R4,R5,R6,R7,R8,R9,R10,R11,R12,
330 F0,F1,F2,F3,F4,F5,F6,F7,F8,F9,F10,F11,F12,F13,
331 V0,V1,V2,V3,V4,V5,V6,V7,V8,V9,V10,V11,V12,V13,V14,V15,V16,V17,V18,V19,
333 CR0,CR1,CR5,CR6,CR7] in {
334 // Convenient aliases for call instructions
335 def BL : IForm<18, 0, 1, (ops calltarget:$func, variable_ops),
336 "bl $func", BrB, []>; // See Pat patterns below.
337 def BLA : IForm<18, 1, 1, (ops aaddr:$func, variable_ops),
338 "bla $func", BrB, [(PPCcall (i32 imm:$func))]>;
339 def BCTRL : XLForm_2_ext<19, 528, 20, 0, 1, (ops variable_ops), "bctrl", BrB,
343 // DCB* instructions.
344 def DCBZ : DCB_Form<1014, 0, (ops memrr:$dst),
345 "dcbz $dst", LdStDCBF, [(int_ppc_dcbz xoaddr:$dst)]>,
346 PPC970_DGroup_Single;
347 def DCBZL : DCB_Form<1014, 1, (ops memrr:$dst),
348 "dcbzl $dst", LdStDCBF, [(int_ppc_dcbzl xoaddr:$dst)]>,
349 PPC970_DGroup_Single;
351 // D-Form instructions. Most instructions that perform an operation on a
352 // register and an immediate are of this type.
354 let isLoad = 1, PPC970_Unit = 2 in {
355 def LBZ : DForm_1<34, (ops GPRC:$rD, memri:$src),
356 "lbz $rD, $src", LdStGeneral,
357 [(set GPRC:$rD, (zextload iaddr:$src, i8))]>;
358 def LHA : DForm_1<42, (ops GPRC:$rD, memri:$src),
359 "lha $rD, $src", LdStLHA,
360 [(set GPRC:$rD, (sextload iaddr:$src, i16))]>,
361 PPC970_DGroup_Cracked;
362 def LHZ : DForm_1<40, (ops GPRC:$rD, memri:$src),
363 "lhz $rD, $src", LdStGeneral,
364 [(set GPRC:$rD, (zextload iaddr:$src, i16))]>;
365 def LWZ : DForm_1<32, (ops GPRC:$rD, memri:$src),
366 "lwz $rD, $src", LdStGeneral,
367 [(set GPRC:$rD, (load iaddr:$src))]>;
368 def LWZU : DForm_1<35, (ops GPRC:$rD, s16imm:$disp, GPRC:$rA),
369 "lwzu $rD, $disp($rA)", LdStGeneral,
372 let PPC970_Unit = 1 in { // FXU Operations.
373 def ADDI : DForm_2<14, (ops GPRC:$rD, GPRC:$rA, s16imm:$imm),
374 "addi $rD, $rA, $imm", IntGeneral,
375 [(set GPRC:$rD, (add GPRC:$rA, immSExt16:$imm))]>;
376 def ADDIC : DForm_2<12, (ops GPRC:$rD, GPRC:$rA, s16imm:$imm),
377 "addic $rD, $rA, $imm", IntGeneral,
378 [(set GPRC:$rD, (addc GPRC:$rA, immSExt16:$imm))]>,
379 PPC970_DGroup_Cracked;
380 def ADDICo : DForm_2<13, (ops GPRC:$rD, GPRC:$rA, s16imm:$imm),
381 "addic. $rD, $rA, $imm", IntGeneral,
383 def ADDIS : DForm_2<15, (ops GPRC:$rD, GPRC:$rA, symbolHi:$imm),
384 "addis $rD, $rA, $imm", IntGeneral,
385 [(set GPRC:$rD, (add GPRC:$rA, imm16ShiftedSExt:$imm))]>;
386 def LA : DForm_2<14, (ops GPRC:$rD, GPRC:$rA, symbolLo:$sym),
387 "la $rD, $sym($rA)", IntGeneral,
388 [(set GPRC:$rD, (add GPRC:$rA,
389 (PPClo tglobaladdr:$sym, 0)))]>;
390 def MULLI : DForm_2< 7, (ops GPRC:$rD, GPRC:$rA, s16imm:$imm),
391 "mulli $rD, $rA, $imm", IntMulLI,
392 [(set GPRC:$rD, (mul GPRC:$rA, immSExt16:$imm))]>;
393 def SUBFIC : DForm_2< 8, (ops GPRC:$rD, GPRC:$rA, s16imm:$imm),
394 "subfic $rD, $rA, $imm", IntGeneral,
395 [(set GPRC:$rD, (subc immSExt16:$imm, GPRC:$rA))]>;
396 def LI : DForm_2_r0<14, (ops GPRC:$rD, symbolLo:$imm),
397 "li $rD, $imm", IntGeneral,
398 [(set GPRC:$rD, immSExt16:$imm)]>;
399 def LIS : DForm_2_r0<15, (ops GPRC:$rD, symbolHi:$imm),
400 "lis $rD, $imm", IntGeneral,
401 [(set GPRC:$rD, imm16ShiftedSExt:$imm)]>;
403 let isStore = 1, noResults = 1, PPC970_Unit = 2 in {
404 def STB : DForm_3<38, (ops GPRC:$rS, memri:$src),
405 "stb $rS, $src", LdStGeneral,
406 [(truncstore GPRC:$rS, iaddr:$src, i8)]>;
407 def STH : DForm_3<44, (ops GPRC:$rS, memri:$src),
408 "sth $rS, $src", LdStGeneral,
409 [(truncstore GPRC:$rS, iaddr:$src, i16)]>;
410 def STW : DForm_3<36, (ops GPRC:$rS, memri:$src),
411 "stw $rS, $src", LdStGeneral,
412 [(store GPRC:$rS, iaddr:$src)]>;
413 def STWU : DForm_3<37, (ops GPRC:$rS, s16imm:$disp, GPRC:$rA),
414 "stwu $rS, $disp($rA)", LdStGeneral,
417 let PPC970_Unit = 1 in { // FXU Operations.
418 def ANDIo : DForm_4<28, (ops GPRC:$dst, GPRC:$src1, u16imm:$src2),
419 "andi. $dst, $src1, $src2", IntGeneral,
420 [(set GPRC:$dst, (and GPRC:$src1, immZExt16:$src2))]>,
422 def ANDISo : DForm_4<29, (ops GPRC:$dst, GPRC:$src1, u16imm:$src2),
423 "andis. $dst, $src1, $src2", IntGeneral,
424 [(set GPRC:$dst, (and GPRC:$src1,imm16ShiftedZExt:$src2))]>,
426 def ORI : DForm_4<24, (ops GPRC:$dst, GPRC:$src1, u16imm:$src2),
427 "ori $dst, $src1, $src2", IntGeneral,
428 [(set GPRC:$dst, (or GPRC:$src1, immZExt16:$src2))]>;
429 def ORIS : DForm_4<25, (ops GPRC:$dst, GPRC:$src1, u16imm:$src2),
430 "oris $dst, $src1, $src2", IntGeneral,
431 [(set GPRC:$dst, (or GPRC:$src1, imm16ShiftedZExt:$src2))]>;
432 def XORI : DForm_4<26, (ops GPRC:$dst, GPRC:$src1, u16imm:$src2),
433 "xori $dst, $src1, $src2", IntGeneral,
434 [(set GPRC:$dst, (xor GPRC:$src1, immZExt16:$src2))]>;
435 def XORIS : DForm_4<27, (ops GPRC:$dst, GPRC:$src1, u16imm:$src2),
436 "xoris $dst, $src1, $src2", IntGeneral,
437 [(set GPRC:$dst, (xor GPRC:$src1,imm16ShiftedZExt:$src2))]>;
438 def NOP : DForm_4_zero<24, (ops), "nop", IntGeneral,
440 def CMPWI : DForm_5_ext<11, (ops CRRC:$crD, GPRC:$rA, s16imm:$imm),
441 "cmpwi $crD, $rA, $imm", IntCompare>;
442 def CMPLWI : DForm_6_ext<10, (ops CRRC:$dst, GPRC:$src1, u16imm:$src2),
443 "cmplwi $dst, $src1, $src2", IntCompare>;
445 let isLoad = 1, PPC970_Unit = 2 in {
446 def LFS : DForm_8<48, (ops F4RC:$rD, memri:$src),
447 "lfs $rD, $src", LdStLFDU,
448 [(set F4RC:$rD, (load iaddr:$src))]>;
449 def LFD : DForm_8<50, (ops F8RC:$rD, memri:$src),
450 "lfd $rD, $src", LdStLFD,
451 [(set F8RC:$rD, (load iaddr:$src))]>;
453 let isStore = 1, noResults = 1, PPC970_Unit = 2 in {
454 def STFS : DForm_9<52, (ops F4RC:$rS, memri:$dst),
455 "stfs $rS, $dst", LdStUX,
456 [(store F4RC:$rS, iaddr:$dst)]>;
457 def STFD : DForm_9<54, (ops F8RC:$rS, memri:$dst),
458 "stfd $rS, $dst", LdStUX,
459 [(store F8RC:$rS, iaddr:$dst)]>;
462 // X-Form instructions. Most instructions that perform an operation on a
463 // register and another register are of this type.
465 let isLoad = 1, PPC970_Unit = 2 in {
466 def LBZX : XForm_1<31, 87, (ops GPRC:$rD, memrr:$src),
467 "lbzx $rD, $src", LdStGeneral,
468 [(set GPRC:$rD, (zextload xaddr:$src, i8))]>;
469 def LHAX : XForm_1<31, 343, (ops GPRC:$rD, memrr:$src),
470 "lhax $rD, $src", LdStLHA,
471 [(set GPRC:$rD, (sextload xaddr:$src, i16))]>,
472 PPC970_DGroup_Cracked;
473 def LHZX : XForm_1<31, 279, (ops GPRC:$rD, memrr:$src),
474 "lhzx $rD, $src", LdStGeneral,
475 [(set GPRC:$rD, (zextload xaddr:$src, i16))]>;
476 def LWZX : XForm_1<31, 23, (ops GPRC:$rD, memrr:$src),
477 "lwzx $rD, $src", LdStGeneral,
478 [(set GPRC:$rD, (load xaddr:$src))]>;
481 def LHBRX : XForm_1<31, 790, (ops GPRC:$rD, memrr:$src),
482 "lhbrx $rD, $src", LdStGeneral,
483 [(set GPRC:$rD, (PPClbrx xoaddr:$src, srcvalue:$sv, i16))]>;
484 def LWBRX : XForm_1<31, 534, (ops GPRC:$rD, memrr:$src),
485 "lwbrx $rD, $src", LdStGeneral,
486 [(set GPRC:$rD, (PPClbrx xoaddr:$src, srcvalue:$sv, i32))]>;
490 let PPC970_Unit = 1 in { // FXU Operations.
491 def NAND : XForm_6<31, 476, (ops GPRC:$rA, GPRC:$rS, GPRC:$rB),
492 "nand $rA, $rS, $rB", IntGeneral,
493 [(set GPRC:$rA, (not (and GPRC:$rS, GPRC:$rB)))]>;
494 def AND : XForm_6<31, 28, (ops GPRC:$rA, GPRC:$rS, GPRC:$rB),
495 "and $rA, $rS, $rB", IntGeneral,
496 [(set GPRC:$rA, (and GPRC:$rS, GPRC:$rB))]>;
497 def ANDC : XForm_6<31, 60, (ops GPRC:$rA, GPRC:$rS, GPRC:$rB),
498 "andc $rA, $rS, $rB", IntGeneral,
499 [(set GPRC:$rA, (and GPRC:$rS, (not GPRC:$rB)))]>;
500 def OR : XForm_6<31, 444, (ops GPRC:$rA, GPRC:$rS, GPRC:$rB),
501 "or $rA, $rS, $rB", IntGeneral,
502 [(set GPRC:$rA, (or GPRC:$rS, GPRC:$rB))]>;
503 def NOR : XForm_6<31, 124, (ops GPRC:$rA, GPRC:$rS, GPRC:$rB),
504 "nor $rA, $rS, $rB", IntGeneral,
505 [(set GPRC:$rA, (not (or GPRC:$rS, GPRC:$rB)))]>;
506 def ORC : XForm_6<31, 412, (ops GPRC:$rA, GPRC:$rS, GPRC:$rB),
507 "orc $rA, $rS, $rB", IntGeneral,
508 [(set GPRC:$rA, (or GPRC:$rS, (not GPRC:$rB)))]>;
509 def EQV : XForm_6<31, 284, (ops GPRC:$rA, GPRC:$rS, GPRC:$rB),
510 "eqv $rA, $rS, $rB", IntGeneral,
511 [(set GPRC:$rA, (not (xor GPRC:$rS, GPRC:$rB)))]>;
512 def XOR : XForm_6<31, 316, (ops GPRC:$rA, GPRC:$rS, GPRC:$rB),
513 "xor $rA, $rS, $rB", IntGeneral,
514 [(set GPRC:$rA, (xor GPRC:$rS, GPRC:$rB))]>;
515 def SLW : XForm_6<31, 24, (ops GPRC:$rA, GPRC:$rS, GPRC:$rB),
516 "slw $rA, $rS, $rB", IntGeneral,
517 [(set GPRC:$rA, (PPCshl GPRC:$rS, GPRC:$rB))]>;
518 def SRW : XForm_6<31, 536, (ops GPRC:$rA, GPRC:$rS, GPRC:$rB),
519 "srw $rA, $rS, $rB", IntGeneral,
520 [(set GPRC:$rA, (PPCsrl GPRC:$rS, GPRC:$rB))]>;
521 def SRAW : XForm_6<31, 792, (ops GPRC:$rA, GPRC:$rS, GPRC:$rB),
522 "sraw $rA, $rS, $rB", IntShift,
523 [(set GPRC:$rA, (PPCsra GPRC:$rS, GPRC:$rB))]>;
525 let isStore = 1, noResults = 1, PPC970_Unit = 2 in {
526 def STBX : XForm_8<31, 215, (ops GPRC:$rS, memrr:$dst),
527 "stbx $rS, $dst", LdStGeneral,
528 [(truncstore GPRC:$rS, xaddr:$dst, i8)]>,
529 PPC970_DGroup_Cracked;
530 def STHX : XForm_8<31, 407, (ops GPRC:$rS, memrr:$dst),
531 "sthx $rS, $dst", LdStGeneral,
532 [(truncstore GPRC:$rS, xaddr:$dst, i16)]>,
533 PPC970_DGroup_Cracked;
534 def STWX : XForm_8<31, 151, (ops GPRC:$rS, memrr:$dst),
535 "stwx $rS, $dst", LdStGeneral,
536 [(store GPRC:$rS, xaddr:$dst)]>,
537 PPC970_DGroup_Cracked;
538 def STWUX : XForm_8<31, 183, (ops GPRC:$rS, GPRC:$rA, GPRC:$rB),
539 "stwux $rS, $rA, $rB", LdStGeneral,
541 def STHBRX: XForm_8<31, 918, (ops GPRC:$rS, memrr:$dst),
542 "sthbrx $rS, $dst", LdStGeneral,
543 [(PPCstbrx GPRC:$rS, xoaddr:$dst, srcvalue:$dummy, i16)]>,
544 PPC970_DGroup_Cracked;
545 def STWBRX: XForm_8<31, 662, (ops GPRC:$rS, memrr:$dst),
546 "stwbrx $rS, $dst", LdStGeneral,
547 [(PPCstbrx GPRC:$rS, xoaddr:$dst, srcvalue:$dummy, i32)]>,
548 PPC970_DGroup_Cracked;
550 let PPC970_Unit = 1 in { // FXU Operations.
551 def SRAWI : XForm_10<31, 824, (ops GPRC:$rA, GPRC:$rS, u5imm:$SH),
552 "srawi $rA, $rS, $SH", IntShift,
553 [(set GPRC:$rA, (sra GPRC:$rS, (i32 imm:$SH)))]>;
554 def CNTLZW : XForm_11<31, 26, (ops GPRC:$rA, GPRC:$rS),
555 "cntlzw $rA, $rS", IntGeneral,
556 [(set GPRC:$rA, (ctlz GPRC:$rS))]>;
557 def EXTSB : XForm_11<31, 954, (ops GPRC:$rA, GPRC:$rS),
558 "extsb $rA, $rS", IntGeneral,
559 [(set GPRC:$rA, (sext_inreg GPRC:$rS, i8))]>;
560 def EXTSH : XForm_11<31, 922, (ops GPRC:$rA, GPRC:$rS),
561 "extsh $rA, $rS", IntGeneral,
562 [(set GPRC:$rA, (sext_inreg GPRC:$rS, i16))]>;
564 def CMPW : XForm_16_ext<31, 0, (ops CRRC:$crD, GPRC:$rA, GPRC:$rB),
565 "cmpw $crD, $rA, $rB", IntCompare>;
566 def CMPLW : XForm_16_ext<31, 32, (ops CRRC:$crD, GPRC:$rA, GPRC:$rB),
567 "cmplw $crD, $rA, $rB", IntCompare>;
569 let PPC970_Unit = 3 in { // FPU Operations.
570 //def FCMPO : XForm_17<63, 32, (ops CRRC:$crD, FPRC:$fA, FPRC:$fB),
571 // "fcmpo $crD, $fA, $fB", FPCompare>;
572 def FCMPUS : XForm_17<63, 0, (ops CRRC:$crD, F4RC:$fA, F4RC:$fB),
573 "fcmpu $crD, $fA, $fB", FPCompare>;
574 def FCMPUD : XForm_17<63, 0, (ops CRRC:$crD, F8RC:$fA, F8RC:$fB),
575 "fcmpu $crD, $fA, $fB", FPCompare>;
577 let isLoad = 1, PPC970_Unit = 2 in {
578 def LFSX : XForm_25<31, 535, (ops F4RC:$frD, memrr:$src),
579 "lfsx $frD, $src", LdStLFDU,
580 [(set F4RC:$frD, (load xaddr:$src))]>;
581 def LFDX : XForm_25<31, 599, (ops F8RC:$frD, memrr:$src),
582 "lfdx $frD, $src", LdStLFDU,
583 [(set F8RC:$frD, (load xaddr:$src))]>;
585 let PPC970_Unit = 3 in { // FPU Operations.
586 def FCTIWZ : XForm_26<63, 15, (ops F8RC:$frD, F8RC:$frB),
587 "fctiwz $frD, $frB", FPGeneral,
588 [(set F8RC:$frD, (PPCfctiwz F8RC:$frB))]>;
589 def FRSP : XForm_26<63, 12, (ops F4RC:$frD, F8RC:$frB),
590 "frsp $frD, $frB", FPGeneral,
591 [(set F4RC:$frD, (fround F8RC:$frB))]>;
592 def FSQRT : XForm_26<63, 22, (ops F8RC:$frD, F8RC:$frB),
593 "fsqrt $frD, $frB", FPSqrt,
594 [(set F8RC:$frD, (fsqrt F8RC:$frB))]>;
595 def FSQRTS : XForm_26<59, 22, (ops F4RC:$frD, F4RC:$frB),
596 "fsqrts $frD, $frB", FPSqrt,
597 [(set F4RC:$frD, (fsqrt F4RC:$frB))]>;
600 /// FMR is split into 3 versions, one for 4/8 byte FP, and one for extending.
602 /// Note that these are defined as pseudo-ops on the PPC970 because they are
603 /// often coalesced away and we don't want the dispatch group builder to think
604 /// that they will fill slots (which could cause the load of a LSU reject to
605 /// sneak into a d-group with a store).
606 def FMRS : XForm_26<63, 72, (ops F4RC:$frD, F4RC:$frB),
607 "fmr $frD, $frB", FPGeneral,
608 []>, // (set F4RC:$frD, F4RC:$frB)
610 def FMRD : XForm_26<63, 72, (ops F8RC:$frD, F8RC:$frB),
611 "fmr $frD, $frB", FPGeneral,
612 []>, // (set F8RC:$frD, F8RC:$frB)
614 def FMRSD : XForm_26<63, 72, (ops F8RC:$frD, F4RC:$frB),
615 "fmr $frD, $frB", FPGeneral,
616 [(set F8RC:$frD, (fextend F4RC:$frB))]>,
619 let PPC970_Unit = 3 in { // FPU Operations.
620 // These are artificially split into two different forms, for 4/8 byte FP.
621 def FABSS : XForm_26<63, 264, (ops F4RC:$frD, F4RC:$frB),
622 "fabs $frD, $frB", FPGeneral,
623 [(set F4RC:$frD, (fabs F4RC:$frB))]>;
624 def FABSD : XForm_26<63, 264, (ops F8RC:$frD, F8RC:$frB),
625 "fabs $frD, $frB", FPGeneral,
626 [(set F8RC:$frD, (fabs F8RC:$frB))]>;
627 def FNABSS : XForm_26<63, 136, (ops F4RC:$frD, F4RC:$frB),
628 "fnabs $frD, $frB", FPGeneral,
629 [(set F4RC:$frD, (fneg (fabs F4RC:$frB)))]>;
630 def FNABSD : XForm_26<63, 136, (ops F8RC:$frD, F8RC:$frB),
631 "fnabs $frD, $frB", FPGeneral,
632 [(set F8RC:$frD, (fneg (fabs F8RC:$frB)))]>;
633 def FNEGS : XForm_26<63, 40, (ops F4RC:$frD, F4RC:$frB),
634 "fneg $frD, $frB", FPGeneral,
635 [(set F4RC:$frD, (fneg F4RC:$frB))]>;
636 def FNEGD : XForm_26<63, 40, (ops F8RC:$frD, F8RC:$frB),
637 "fneg $frD, $frB", FPGeneral,
638 [(set F8RC:$frD, (fneg F8RC:$frB))]>;
641 let isStore = 1, noResults = 1, PPC970_Unit = 2 in {
642 def STFIWX: XForm_28<31, 983, (ops F8RC:$frS, memrr:$dst),
643 "stfiwx $frS, $dst", LdStUX,
644 [(PPCstfiwx F8RC:$frS, xoaddr:$dst)]>;
645 def STFSX : XForm_28<31, 663, (ops F4RC:$frS, memrr:$dst),
646 "stfsx $frS, $dst", LdStUX,
647 [(store F4RC:$frS, xaddr:$dst)]>;
648 def STFDX : XForm_28<31, 727, (ops F8RC:$frS, memrr:$dst),
649 "stfdx $frS, $dst", LdStUX,
650 [(store F8RC:$frS, xaddr:$dst)]>;
653 // XL-Form instructions. condition register logical ops.
655 def MCRF : XLForm_3<19, 0, (ops CRRC:$BF, CRRC:$BFA),
656 "mcrf $BF, $BFA", BrMCR>,
657 PPC970_DGroup_First, PPC970_Unit_CRU;
659 // XFX-Form instructions. Instructions that deal with SPRs.
661 def MFCTR : XFXForm_1_ext<31, 339, 9, (ops GPRC:$rT), "mfctr $rT", SprMFSPR>,
662 PPC970_DGroup_First, PPC970_Unit_FXU;
663 let Pattern = [(PPCmtctr GPRC:$rS)] in {
664 def MTCTR : XFXForm_7_ext<31, 467, 9, (ops GPRC:$rS), "mtctr $rS", SprMTSPR>,
665 PPC970_DGroup_First, PPC970_Unit_FXU;
668 def MTLR : XFXForm_7_ext<31, 467, 8, (ops GPRC:$rS), "mtlr $rS", SprMTSPR>,
669 PPC970_DGroup_First, PPC970_Unit_FXU;
670 def MFLR : XFXForm_1_ext<31, 339, 8, (ops GPRC:$rT), "mflr $rT", SprMFSPR>,
671 PPC970_DGroup_First, PPC970_Unit_FXU;
673 // Move to/from VRSAVE: despite being a SPR, the VRSAVE register is renamed like
674 // a GPR on the PPC970. As such, copies in and out have the same performance
675 // characteristics as an OR instruction.
676 def MTVRSAVE : XFXForm_7_ext<31, 467, 256, (ops GPRC:$rS),
677 "mtspr 256, $rS", IntGeneral>,
678 PPC970_DGroup_Single, PPC970_Unit_FXU;
679 def MFVRSAVE : XFXForm_1_ext<31, 339, 256, (ops GPRC:$rT),
680 "mfspr $rT, 256", IntGeneral>,
681 PPC970_DGroup_First, PPC970_Unit_FXU;
683 def MTCRF : XFXForm_5<31, 144, (ops crbitm:$FXM, GPRC:$rS),
684 "mtcrf $FXM, $rS", BrMCRX>,
685 PPC970_MicroCode, PPC970_Unit_CRU;
686 def MFCR : XFXForm_3<31, 19, (ops GPRC:$rT), "mfcr $rT", SprMFCR>,
687 PPC970_MicroCode, PPC970_Unit_CRU;
688 def MFOCRF: XFXForm_5a<31, 19, (ops GPRC:$rT, crbitm:$FXM),
689 "mfcr $rT, $FXM", SprMFCR>,
690 PPC970_DGroup_First, PPC970_Unit_CRU;
692 let PPC970_Unit = 1 in { // FXU Operations.
694 // XO-Form instructions. Arithmetic instructions that can set overflow bit
696 def ADD4 : XOForm_1<31, 266, 0, (ops GPRC:$rT, GPRC:$rA, GPRC:$rB),
697 "add $rT, $rA, $rB", IntGeneral,
698 [(set GPRC:$rT, (add GPRC:$rA, GPRC:$rB))]>;
699 def ADDC : XOForm_1<31, 10, 0, (ops GPRC:$rT, GPRC:$rA, GPRC:$rB),
700 "addc $rT, $rA, $rB", IntGeneral,
701 [(set GPRC:$rT, (addc GPRC:$rA, GPRC:$rB))]>,
702 PPC970_DGroup_Cracked;
703 def ADDE : XOForm_1<31, 138, 0, (ops GPRC:$rT, GPRC:$rA, GPRC:$rB),
704 "adde $rT, $rA, $rB", IntGeneral,
705 [(set GPRC:$rT, (adde GPRC:$rA, GPRC:$rB))]>;
706 def DIVW : XOForm_1<31, 491, 0, (ops GPRC:$rT, GPRC:$rA, GPRC:$rB),
707 "divw $rT, $rA, $rB", IntDivW,
708 [(set GPRC:$rT, (sdiv GPRC:$rA, GPRC:$rB))]>,
709 PPC970_DGroup_First, PPC970_DGroup_Cracked;
710 def DIVWU : XOForm_1<31, 459, 0, (ops GPRC:$rT, GPRC:$rA, GPRC:$rB),
711 "divwu $rT, $rA, $rB", IntDivW,
712 [(set GPRC:$rT, (udiv GPRC:$rA, GPRC:$rB))]>,
713 PPC970_DGroup_First, PPC970_DGroup_Cracked;
714 def MULHW : XOForm_1<31, 75, 0, (ops GPRC:$rT, GPRC:$rA, GPRC:$rB),
715 "mulhw $rT, $rA, $rB", IntMulHW,
716 [(set GPRC:$rT, (mulhs GPRC:$rA, GPRC:$rB))]>;
717 def MULHWU : XOForm_1<31, 11, 0, (ops GPRC:$rT, GPRC:$rA, GPRC:$rB),
718 "mulhwu $rT, $rA, $rB", IntMulHWU,
719 [(set GPRC:$rT, (mulhu GPRC:$rA, GPRC:$rB))]>;
720 def MULLW : XOForm_1<31, 235, 0, (ops GPRC:$rT, GPRC:$rA, GPRC:$rB),
721 "mullw $rT, $rA, $rB", IntMulHW,
722 [(set GPRC:$rT, (mul GPRC:$rA, GPRC:$rB))]>;
723 def SUBF : XOForm_1<31, 40, 0, (ops GPRC:$rT, GPRC:$rA, GPRC:$rB),
724 "subf $rT, $rA, $rB", IntGeneral,
725 [(set GPRC:$rT, (sub GPRC:$rB, GPRC:$rA))]>;
726 def SUBFC : XOForm_1<31, 8, 0, (ops GPRC:$rT, GPRC:$rA, GPRC:$rB),
727 "subfc $rT, $rA, $rB", IntGeneral,
728 [(set GPRC:$rT, (subc GPRC:$rB, GPRC:$rA))]>,
729 PPC970_DGroup_Cracked;
730 def SUBFE : XOForm_1<31, 136, 0, (ops GPRC:$rT, GPRC:$rA, GPRC:$rB),
731 "subfe $rT, $rA, $rB", IntGeneral,
732 [(set GPRC:$rT, (sube GPRC:$rB, GPRC:$rA))]>;
733 def ADDME : XOForm_3<31, 234, 0, (ops GPRC:$rT, GPRC:$rA),
734 "addme $rT, $rA", IntGeneral,
735 [(set GPRC:$rT, (adde GPRC:$rA, immAllOnes))]>;
736 def ADDZE : XOForm_3<31, 202, 0, (ops GPRC:$rT, GPRC:$rA),
737 "addze $rT, $rA", IntGeneral,
738 [(set GPRC:$rT, (adde GPRC:$rA, 0))]>;
739 def NEG : XOForm_3<31, 104, 0, (ops GPRC:$rT, GPRC:$rA),
740 "neg $rT, $rA", IntGeneral,
741 [(set GPRC:$rT, (ineg GPRC:$rA))]>;
742 def SUBFME : XOForm_3<31, 232, 0, (ops GPRC:$rT, GPRC:$rA),
743 "subfme $rT, $rA", IntGeneral,
744 [(set GPRC:$rT, (sube immAllOnes, GPRC:$rA))]>;
745 def SUBFZE : XOForm_3<31, 200, 0, (ops GPRC:$rT, GPRC:$rA),
746 "subfze $rT, $rA", IntGeneral,
747 [(set GPRC:$rT, (sube 0, GPRC:$rA))]>;
750 // A-Form instructions. Most of the instructions executed in the FPU are of
753 let PPC970_Unit = 3 in { // FPU Operations.
754 def FMADD : AForm_1<63, 29,
755 (ops F8RC:$FRT, F8RC:$FRA, F8RC:$FRC, F8RC:$FRB),
756 "fmadd $FRT, $FRA, $FRC, $FRB", FPFused,
757 [(set F8RC:$FRT, (fadd (fmul F8RC:$FRA, F8RC:$FRC),
759 Requires<[FPContractions]>;
760 def FMADDS : AForm_1<59, 29,
761 (ops F4RC:$FRT, F4RC:$FRA, F4RC:$FRC, F4RC:$FRB),
762 "fmadds $FRT, $FRA, $FRC, $FRB", FPGeneral,
763 [(set F4RC:$FRT, (fadd (fmul F4RC:$FRA, F4RC:$FRC),
765 Requires<[FPContractions]>;
766 def FMSUB : AForm_1<63, 28,
767 (ops F8RC:$FRT, F8RC:$FRA, F8RC:$FRC, F8RC:$FRB),
768 "fmsub $FRT, $FRA, $FRC, $FRB", FPFused,
769 [(set F8RC:$FRT, (fsub (fmul F8RC:$FRA, F8RC:$FRC),
771 Requires<[FPContractions]>;
772 def FMSUBS : AForm_1<59, 28,
773 (ops F4RC:$FRT, F4RC:$FRA, F4RC:$FRC, F4RC:$FRB),
774 "fmsubs $FRT, $FRA, $FRC, $FRB", FPGeneral,
775 [(set F4RC:$FRT, (fsub (fmul F4RC:$FRA, F4RC:$FRC),
777 Requires<[FPContractions]>;
778 def FNMADD : AForm_1<63, 31,
779 (ops F8RC:$FRT, F8RC:$FRA, F8RC:$FRC, F8RC:$FRB),
780 "fnmadd $FRT, $FRA, $FRC, $FRB", FPFused,
781 [(set F8RC:$FRT, (fneg (fadd (fmul F8RC:$FRA, F8RC:$FRC),
783 Requires<[FPContractions]>;
784 def FNMADDS : AForm_1<59, 31,
785 (ops F4RC:$FRT, F4RC:$FRA, F4RC:$FRC, F4RC:$FRB),
786 "fnmadds $FRT, $FRA, $FRC, $FRB", FPGeneral,
787 [(set F4RC:$FRT, (fneg (fadd (fmul F4RC:$FRA, F4RC:$FRC),
789 Requires<[FPContractions]>;
790 def FNMSUB : AForm_1<63, 30,
791 (ops F8RC:$FRT, F8RC:$FRA, F8RC:$FRC, F8RC:$FRB),
792 "fnmsub $FRT, $FRA, $FRC, $FRB", FPFused,
793 [(set F8RC:$FRT, (fneg (fsub (fmul F8RC:$FRA, F8RC:$FRC),
795 Requires<[FPContractions]>;
796 def FNMSUBS : AForm_1<59, 30,
797 (ops F4RC:$FRT, F4RC:$FRA, F4RC:$FRC, F4RC:$FRB),
798 "fnmsubs $FRT, $FRA, $FRC, $FRB", FPGeneral,
799 [(set F4RC:$FRT, (fneg (fsub (fmul F4RC:$FRA, F4RC:$FRC),
801 Requires<[FPContractions]>;
802 // FSEL is artificially split into 4 and 8-byte forms for the result. To avoid
803 // having 4 of these, force the comparison to always be an 8-byte double (code
804 // should use an FMRSD if the input comparison value really wants to be a float)
805 // and 4/8 byte forms for the result and operand type..
806 def FSELD : AForm_1<63, 23,
807 (ops F8RC:$FRT, F8RC:$FRA, F8RC:$FRC, F8RC:$FRB),
808 "fsel $FRT, $FRA, $FRC, $FRB", FPGeneral,
809 [(set F8RC:$FRT, (PPCfsel F8RC:$FRA,F8RC:$FRC,F8RC:$FRB))]>;
810 def FSELS : AForm_1<63, 23,
811 (ops F4RC:$FRT, F8RC:$FRA, F4RC:$FRC, F4RC:$FRB),
812 "fsel $FRT, $FRA, $FRC, $FRB", FPGeneral,
813 [(set F4RC:$FRT, (PPCfsel F8RC:$FRA,F4RC:$FRC,F4RC:$FRB))]>;
814 def FADD : AForm_2<63, 21,
815 (ops F8RC:$FRT, F8RC:$FRA, F8RC:$FRB),
816 "fadd $FRT, $FRA, $FRB", FPGeneral,
817 [(set F8RC:$FRT, (fadd F8RC:$FRA, F8RC:$FRB))]>;
818 def FADDS : AForm_2<59, 21,
819 (ops F4RC:$FRT, F4RC:$FRA, F4RC:$FRB),
820 "fadds $FRT, $FRA, $FRB", FPGeneral,
821 [(set F4RC:$FRT, (fadd F4RC:$FRA, F4RC:$FRB))]>;
822 def FDIV : AForm_2<63, 18,
823 (ops F8RC:$FRT, F8RC:$FRA, F8RC:$FRB),
824 "fdiv $FRT, $FRA, $FRB", FPDivD,
825 [(set F8RC:$FRT, (fdiv F8RC:$FRA, F8RC:$FRB))]>;
826 def FDIVS : AForm_2<59, 18,
827 (ops F4RC:$FRT, F4RC:$FRA, F4RC:$FRB),
828 "fdivs $FRT, $FRA, $FRB", FPDivS,
829 [(set F4RC:$FRT, (fdiv F4RC:$FRA, F4RC:$FRB))]>;
830 def FMUL : AForm_3<63, 25,
831 (ops F8RC:$FRT, F8RC:$FRA, F8RC:$FRB),
832 "fmul $FRT, $FRA, $FRB", FPFused,
833 [(set F8RC:$FRT, (fmul F8RC:$FRA, F8RC:$FRB))]>;
834 def FMULS : AForm_3<59, 25,
835 (ops F4RC:$FRT, F4RC:$FRA, F4RC:$FRB),
836 "fmuls $FRT, $FRA, $FRB", FPGeneral,
837 [(set F4RC:$FRT, (fmul F4RC:$FRA, F4RC:$FRB))]>;
838 def FSUB : AForm_2<63, 20,
839 (ops F8RC:$FRT, F8RC:$FRA, F8RC:$FRB),
840 "fsub $FRT, $FRA, $FRB", FPGeneral,
841 [(set F8RC:$FRT, (fsub F8RC:$FRA, F8RC:$FRB))]>;
842 def FSUBS : AForm_2<59, 20,
843 (ops F4RC:$FRT, F4RC:$FRA, F4RC:$FRB),
844 "fsubs $FRT, $FRA, $FRB", FPGeneral,
845 [(set F4RC:$FRT, (fsub F4RC:$FRA, F4RC:$FRB))]>;
848 let PPC970_Unit = 1 in { // FXU Operations.
849 // M-Form instructions. rotate and mask instructions.
851 let isTwoAddress = 1, isCommutable = 1 in {
852 // RLWIMI can be commuted if the rotate amount is zero.
853 def RLWIMI : MForm_2<20,
854 (ops GPRC:$rA, GPRC:$rSi, GPRC:$rS, u5imm:$SH, u5imm:$MB,
855 u5imm:$ME), "rlwimi $rA, $rS, $SH, $MB, $ME", IntRotate,
856 []>, PPC970_DGroup_Cracked;
858 def RLWINM : MForm_2<21,
859 (ops GPRC:$rA, GPRC:$rS, u5imm:$SH, u5imm:$MB, u5imm:$ME),
860 "rlwinm $rA, $rS, $SH, $MB, $ME", IntGeneral,
862 def RLWINMo : MForm_2<21,
863 (ops GPRC:$rA, GPRC:$rS, u5imm:$SH, u5imm:$MB, u5imm:$ME),
864 "rlwinm. $rA, $rS, $SH, $MB, $ME", IntGeneral,
865 []>, isDOT, PPC970_DGroup_Cracked;
866 def RLWNM : MForm_2<23,
867 (ops GPRC:$rA, GPRC:$rS, GPRC:$rB, u5imm:$MB, u5imm:$ME),
868 "rlwnm $rA, $rS, $rB, $MB, $ME", IntGeneral,
873 //===----------------------------------------------------------------------===//
874 // DWARF Pseudo Instructions
877 def DWARF_LOC : Pseudo<(ops i32imm:$line, i32imm:$col, i32imm:$file),
878 "; .loc $file, $line, $col",
879 [(dwarf_loc (i32 imm:$line), (i32 imm:$col),
882 def DWARF_LABEL : Pseudo<(ops i32imm:$id),
884 [(dwarf_label (i32 imm:$id))]>;
886 //===----------------------------------------------------------------------===//
887 // PowerPC Instruction Patterns
890 // Arbitrary immediate support. Implement in terms of LIS/ORI.
891 def : Pat<(i32 imm:$imm),
892 (ORI (LIS (HI16 imm:$imm)), (LO16 imm:$imm))>;
894 // Implement the 'not' operation with the NOR instruction.
895 def NOT : Pat<(not GPRC:$in),
896 (NOR GPRC:$in, GPRC:$in)>;
898 // ADD an arbitrary immediate.
899 def : Pat<(add GPRC:$in, imm:$imm),
900 (ADDIS (ADDI GPRC:$in, (LO16 imm:$imm)), (HA16 imm:$imm))>;
901 // OR an arbitrary immediate.
902 def : Pat<(or GPRC:$in, imm:$imm),
903 (ORIS (ORI GPRC:$in, (LO16 imm:$imm)), (HI16 imm:$imm))>;
904 // XOR an arbitrary immediate.
905 def : Pat<(xor GPRC:$in, imm:$imm),
906 (XORIS (XORI GPRC:$in, (LO16 imm:$imm)), (HI16 imm:$imm))>;
908 def : Pat<(sub immSExt16:$imm, GPRC:$in),
909 (SUBFIC GPRC:$in, imm:$imm)>;
911 // Return void support.
912 def : Pat<(ret), (BLR)>;
915 def : Pat<(shl GPRC:$in, (i32 imm:$imm)),
916 (RLWINM GPRC:$in, imm:$imm, 0, (SHL32 imm:$imm))>;
917 def : Pat<(srl GPRC:$in, (i32 imm:$imm)),
918 (RLWINM GPRC:$in, (SRL32 imm:$imm), imm:$imm, 31)>;
921 def : Pat<(rotl GPRC:$in, GPRC:$sh),
922 (RLWNM GPRC:$in, GPRC:$sh, 0, 31)>;
923 def : Pat<(rotl GPRC:$in, (i32 imm:$imm)),
924 (RLWINM GPRC:$in, imm:$imm, 0, 31)>;
927 def : Pat<(PPCcall tglobaladdr:$dst),
928 (BL tglobaladdr:$dst)>;
929 def : Pat<(PPCcall texternalsym:$dst),
930 (BL texternalsym:$dst)>;
932 // Hi and Lo for Darwin Global Addresses.
933 def : Pat<(PPChi tglobaladdr:$in, 0), (LIS tglobaladdr:$in)>;
934 def : Pat<(PPClo tglobaladdr:$in, 0), (LI tglobaladdr:$in)>;
935 def : Pat<(PPChi tconstpool:$in, 0), (LIS tconstpool:$in)>;
936 def : Pat<(PPClo tconstpool:$in, 0), (LI tconstpool:$in)>;
937 def : Pat<(PPChi tjumptable:$in, 0), (LIS tjumptable:$in)>;
938 def : Pat<(PPClo tjumptable:$in, 0), (LI tjumptable:$in)>;
939 def : Pat<(add GPRC:$in, (PPChi tglobaladdr:$g, 0)),
940 (ADDIS GPRC:$in, tglobaladdr:$g)>;
941 def : Pat<(add GPRC:$in, (PPChi tconstpool:$g, 0)),
942 (ADDIS GPRC:$in, tconstpool:$g)>;
943 def : Pat<(add GPRC:$in, (PPChi tjumptable:$g, 0)),
944 (ADDIS GPRC:$in, tjumptable:$g)>;
946 // Fused negative multiply subtract, alternate pattern
947 def : Pat<(fsub F8RC:$B, (fmul F8RC:$A, F8RC:$C)),
948 (FNMSUB F8RC:$A, F8RC:$C, F8RC:$B)>,
949 Requires<[FPContractions]>;
950 def : Pat<(fsub F4RC:$B, (fmul F4RC:$A, F4RC:$C)),
951 (FNMSUBS F4RC:$A, F4RC:$C, F4RC:$B)>,
952 Requires<[FPContractions]>;
954 // Standard shifts. These are represented separately from the real shifts above
955 // so that we can distinguish between shifts that allow 5-bit and 6-bit shift
957 def : Pat<(sra GPRC:$rS, GPRC:$rB),
958 (SRAW GPRC:$rS, GPRC:$rB)>;
959 def : Pat<(srl GPRC:$rS, GPRC:$rB),
960 (SRW GPRC:$rS, GPRC:$rB)>;
961 def : Pat<(shl GPRC:$rS, GPRC:$rB),
962 (SLW GPRC:$rS, GPRC:$rB)>;
964 def : Pat<(zextload iaddr:$src, i1),
966 def : Pat<(zextload xaddr:$src, i1),
968 def : Pat<(extload iaddr:$src, i1),
970 def : Pat<(extload xaddr:$src, i1),
972 def : Pat<(extload iaddr:$src, i8),
974 def : Pat<(extload xaddr:$src, i8),
976 def : Pat<(extload iaddr:$src, i16),
978 def : Pat<(extload xaddr:$src, i16),
980 def : Pat<(extload iaddr:$src, f32),
981 (FMRSD (LFS iaddr:$src))>;
982 def : Pat<(extload xaddr:$src, f32),
983 (FMRSD (LFSX xaddr:$src))>;
985 include "PPCInstrAltivec.td"
986 include "PPCInstr64Bit.td"