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> ]>;
27 def SDT_PPCRetFlag : SDTypeProfile<0, 0, []>;
29 def SDT_PPCvperm : SDTypeProfile<1, 3, [
30 SDTCisVT<3, v16i8>, SDTCisSameAs<0, 1>, SDTCisSameAs<0, 2>
33 def SDT_PPCvcmp : SDTypeProfile<1, 3, [
34 SDTCisSameAs<0, 1>, SDTCisSameAs<1, 2>, SDTCisVT<3, i32>
37 def SDT_PPCcondbr : SDTypeProfile<0, 3, [
38 SDTCisVT<1, i32>, SDTCisVT<2, OtherVT>
41 //===----------------------------------------------------------------------===//
42 // PowerPC specific DAG Nodes.
45 def PPCfcfid : SDNode<"PPCISD::FCFID" , SDTFPUnaryOp, []>;
46 def PPCfctidz : SDNode<"PPCISD::FCTIDZ", SDTFPUnaryOp, []>;
47 def PPCfctiwz : SDNode<"PPCISD::FCTIWZ", SDTFPUnaryOp, []>;
48 def PPCstfiwx : SDNode<"PPCISD::STFIWX", SDT_PPCstfiwx, [SDNPHasChain]>;
50 def PPCfsel : SDNode<"PPCISD::FSEL",
51 // Type constraint for fsel.
52 SDTypeProfile<1, 3, [SDTCisSameAs<0, 2>, SDTCisSameAs<0, 3>,
53 SDTCisFP<0>, SDTCisVT<1, f64>]>, []>;
55 def PPChi : SDNode<"PPCISD::Hi", SDTIntBinOp, []>;
56 def PPClo : SDNode<"PPCISD::Lo", SDTIntBinOp, []>;
57 def PPCvmaddfp : SDNode<"PPCISD::VMADDFP", SDTFPTernaryOp, []>;
58 def PPCvnmsubfp : SDNode<"PPCISD::VNMSUBFP", SDTFPTernaryOp, []>;
60 def PPCvperm : SDNode<"PPCISD::VPERM", SDT_PPCvperm, []>;
62 // These nodes represent the 32-bit PPC shifts that operate on 6-bit shift
63 // amounts. These nodes are generated by the multi-precision shift code.
64 def PPCsrl : SDNode<"PPCISD::SRL" , SDT_PPCShiftOp>;
65 def PPCsra : SDNode<"PPCISD::SRA" , SDT_PPCShiftOp>;
66 def PPCshl : SDNode<"PPCISD::SHL" , SDT_PPCShiftOp>;
68 def PPCextsw_32 : SDNode<"PPCISD::EXTSW_32" , SDTIntUnaryOp>;
69 def PPCstd_32 : SDNode<"PPCISD::STD_32" , SDTStore, [SDNPHasChain]>;
71 // These are target-independent nodes, but have target-specific formats.
72 def callseq_start : SDNode<"ISD::CALLSEQ_START", SDT_PPCCallSeq,[SDNPHasChain]>;
73 def callseq_end : SDNode<"ISD::CALLSEQ_END", SDT_PPCCallSeq,[SDNPHasChain]>;
75 def retflag : SDNode<"PPCISD::RET_FLAG", SDT_PPCRetFlag,
76 [SDNPHasChain, SDNPOptInFlag]>;
78 def PPCvcmp : SDNode<"PPCISD::VCMP" , SDT_PPCvcmp, []>;
79 def PPCvcmp_o : SDNode<"PPCISD::VCMPo", SDT_PPCvcmp, [SDNPOutFlag]>;
81 def PPCcondbranch : SDNode<"PPCISD::COND_BRANCH", SDT_PPCcondbr,
82 [SDNPHasChain, SDNPOptInFlag]>;
84 //===----------------------------------------------------------------------===//
85 // PowerPC specific transformation functions and pattern fragments.
88 def SHL32 : SDNodeXForm<imm, [{
89 // Transformation function: 31 - imm
90 return getI32Imm(31 - N->getValue());
93 def SHL64 : SDNodeXForm<imm, [{
94 // Transformation function: 63 - imm
95 return getI32Imm(63 - N->getValue());
98 def SRL32 : SDNodeXForm<imm, [{
99 // Transformation function: 32 - imm
100 return N->getValue() ? getI32Imm(32 - N->getValue()) : getI32Imm(0);
103 def SRL64 : SDNodeXForm<imm, [{
104 // Transformation function: 64 - imm
105 return N->getValue() ? getI32Imm(64 - N->getValue()) : getI32Imm(0);
108 def LO16 : SDNodeXForm<imm, [{
109 // Transformation function: get the low 16 bits.
110 return getI32Imm((unsigned short)N->getValue());
113 def HI16 : SDNodeXForm<imm, [{
114 // Transformation function: shift the immediate value down into the low bits.
115 return getI32Imm((unsigned)N->getValue() >> 16);
118 def HA16 : SDNodeXForm<imm, [{
119 // Transformation function: shift the immediate value down into the low bits.
120 signed int Val = N->getValue();
121 return getI32Imm((Val - (signed short)Val) >> 16);
125 def immSExt16 : PatLeaf<(imm), [{
126 // immSExt16 predicate - True if the immediate fits in a 16-bit sign extended
127 // field. Used by instructions like 'addi'.
128 return (int)N->getValue() == (short)N->getValue();
130 def immZExt16 : PatLeaf<(imm), [{
131 // immZExt16 predicate - True if the immediate fits in a 16-bit zero extended
132 // field. Used by instructions like 'ori'.
133 return (unsigned)N->getValue() == (unsigned short)N->getValue();
136 def imm16Shifted : PatLeaf<(imm), [{
137 // imm16Shifted predicate - True if only bits in the top 16-bits of the
138 // immediate are set. Used by instructions like 'addis'.
139 return ((unsigned)N->getValue() & 0xFFFF0000U) == (unsigned)N->getValue();
143 //===----------------------------------------------------------------------===//
144 // PowerPC Flag Definitions.
146 class isPPC64 { bit PPC64 = 1; }
147 class isVMX { bit VMX = 1; }
149 list<Register> Defs = [CR0];
155 //===----------------------------------------------------------------------===//
156 // PowerPC Operand Definitions.
158 def s5imm : Operand<i32> {
159 let PrintMethod = "printS5ImmOperand";
161 def u5imm : Operand<i32> {
162 let PrintMethod = "printU5ImmOperand";
164 def u6imm : Operand<i32> {
165 let PrintMethod = "printU6ImmOperand";
167 def s16imm : Operand<i32> {
168 let PrintMethod = "printS16ImmOperand";
170 def u16imm : Operand<i32> {
171 let PrintMethod = "printU16ImmOperand";
173 def s16immX4 : Operand<i32> { // Multiply imm by 4 before printing.
174 let PrintMethod = "printS16X4ImmOperand";
176 def target : Operand<OtherVT> {
177 let PrintMethod = "printBranchOperand";
179 def calltarget : Operand<i32> {
180 let PrintMethod = "printCallOperand";
182 def aaddr : Operand<i32> {
183 let PrintMethod = "printAbsAddrOperand";
185 def piclabel: Operand<i32> {
186 let PrintMethod = "printPICLabel";
188 def symbolHi: Operand<i32> {
189 let PrintMethod = "printSymbolHi";
191 def symbolLo: Operand<i32> {
192 let PrintMethod = "printSymbolLo";
194 def crbitm: Operand<i8> {
195 let PrintMethod = "printcrbitm";
198 def memri : Operand<i32> {
199 let PrintMethod = "printMemRegImm";
200 let NumMIOperands = 2;
201 let MIOperandInfo = (ops i32imm, GPRC);
203 def memrr : Operand<i32> {
204 let PrintMethod = "printMemRegReg";
205 let NumMIOperands = 2;
206 let MIOperandInfo = (ops GPRC, GPRC);
208 def memrix : Operand<i32> { // memri where the imm is shifted 2 bits.
209 let PrintMethod = "printMemRegImmShifted";
210 let NumMIOperands = 2;
211 let MIOperandInfo = (ops i32imm, GPRC);
214 // Define PowerPC specific addressing mode.
215 def iaddr : ComplexPattern<i32, 2, "SelectAddrImm", []>;
216 def xaddr : ComplexPattern<i32, 2, "SelectAddrIdx", []>;
217 def xoaddr : ComplexPattern<i32, 2, "SelectAddrIdxOnly",[]>;
218 def ixaddr : ComplexPattern<i32, 2, "SelectAddrImmShift", []>; // "std"
220 //===----------------------------------------------------------------------===//
221 // PowerPC Instruction Predicate Definitions.
222 def FPContractions : Predicate<"!NoExcessFPPrecision">;
224 //===----------------------------------------------------------------------===//
225 // PowerPC Instruction Definitions.
227 // Pseudo-instructions:
229 let hasCtrlDep = 1 in {
230 def ADJCALLSTACKDOWN : Pseudo<(ops u16imm:$amt),
231 "; ADJCALLSTACKDOWN",
232 [(callseq_start imm:$amt)]>;
233 def ADJCALLSTACKUP : Pseudo<(ops u16imm:$amt),
235 [(callseq_end imm:$amt)]>;
237 def UPDATE_VRSAVE : Pseudo<(ops GPRC:$rD, GPRC:$rS),
238 "UPDATE_VRSAVE $rD, $rS", []>;
240 def IMPLICIT_DEF_GPR : Pseudo<(ops GPRC:$rD), "; $rD = IMPLICIT_DEF_GPRC",
241 [(set GPRC:$rD, (undef))]>;
242 def IMPLICIT_DEF_F8 : Pseudo<(ops F8RC:$rD), "; $rD = IMPLICIT_DEF_F8",
243 [(set F8RC:$rD, (undef))]>;
244 def IMPLICIT_DEF_F4 : Pseudo<(ops F4RC:$rD), "; $rD = IMPLICIT_DEF_F4",
245 [(set F4RC:$rD, (undef))]>;
247 // SELECT_CC_* - Used to implement the SELECT_CC DAG operation. Expanded by the
248 // scheduler into a branch sequence.
249 let usesCustomDAGSchedInserter = 1, // Expanded by the scheduler.
250 PPC970_Single = 1 in {
251 def SELECT_CC_Int : Pseudo<(ops GPRC:$dst, CRRC:$cond, GPRC:$T, GPRC:$F,
252 i32imm:$BROPC), "; SELECT_CC PSEUDO!", []>;
253 def SELECT_CC_F4 : Pseudo<(ops F4RC:$dst, CRRC:$cond, F4RC:$T, F4RC:$F,
254 i32imm:$BROPC), "; SELECT_CC PSEUDO!", []>;
255 def SELECT_CC_F8 : Pseudo<(ops F8RC:$dst, CRRC:$cond, F8RC:$T, F8RC:$F,
256 i32imm:$BROPC), "; SELECT_CC PSEUDO!", []>;
257 def SELECT_CC_VRRC: Pseudo<(ops VRRC:$dst, CRRC:$cond, VRRC:$T, VRRC:$F,
258 i32imm:$BROPC), "; SELECT_CC PSEUDO!", []>;
261 let isTerminator = 1, noResults = 1, PPC970_Unit = 7 in {
263 def BLR : XLForm_2_ext<19, 16, 20, 0, 0, (ops), "blr", BrB, [(retflag)]>;
264 def BCTR : XLForm_2_ext<19, 528, 20, 0, 0, (ops), "bctr", BrB, []>;
268 def MovePCtoLR : Pseudo<(ops piclabel:$label), "bl $label", []>,
271 let isBranch = 1, isTerminator = 1, hasCtrlDep = 1,
272 noResults = 1, PPC970_Unit = 7 in {
273 def COND_BRANCH : Pseudo<(ops CRRC:$crS, u16imm:$opc, target:$dst),
274 "; COND_BRANCH $crS, $opc, $dst",
275 [(PPCcondbranch CRRC:$crS, imm:$opc, bb:$dst)]>;
276 def B : IForm<18, 0, 0, (ops target:$dst),
280 // FIXME: 4*CR# needs to be added to the BI field!
281 // This will only work for CR0 as it stands now
282 def BLT : BForm<16, 0, 0, 12, 0, (ops CRRC:$crS, target:$block),
283 "blt $crS, $block", BrB>;
284 def BLE : BForm<16, 0, 0, 4, 1, (ops CRRC:$crS, target:$block),
285 "ble $crS, $block", BrB>;
286 def BEQ : BForm<16, 0, 0, 12, 2, (ops CRRC:$crS, target:$block),
287 "beq $crS, $block", BrB>;
288 def BGE : BForm<16, 0, 0, 4, 0, (ops CRRC:$crS, target:$block),
289 "bge $crS, $block", BrB>;
290 def BGT : BForm<16, 0, 0, 12, 1, (ops CRRC:$crS, target:$block),
291 "bgt $crS, $block", BrB>;
292 def BNE : BForm<16, 0, 0, 4, 2, (ops CRRC:$crS, target:$block),
293 "bne $crS, $block", BrB>;
294 def BUN : BForm<16, 0, 0, 12, 3, (ops CRRC:$crS, target:$block),
295 "bun $crS, $block", BrB>;
296 def BNU : BForm<16, 0, 0, 4, 3, (ops CRRC:$crS, target:$block),
297 "bnu $crS, $block", BrB>;
300 let isCall = 1, noResults = 1, PPC970_Unit = 7,
301 // All calls clobber the non-callee saved registers...
302 Defs = [R0,R2,R3,R4,R5,R6,R7,R8,R9,R10,R11,R12,
303 F0,F1,F2,F3,F4,F5,F6,F7,F8,F9,F10,F11,F12,F13,
304 V0,V1,V2,V3,V4,V5,V6,V7,V8,V9,V10,V11,V12,V13,V14,V15,V16,V17,V18,V19,
306 CR0,CR1,CR5,CR6,CR7] in {
307 // Convenient aliases for call instructions
308 def BL : IForm<18, 0, 1, (ops calltarget:$func, variable_ops),
309 "bl $func", BrB, []>;
310 def BLA : IForm<18, 1, 1, (ops aaddr:$func, variable_ops),
311 "bla $func", BrB, []>;
312 def BCTRL : XLForm_2_ext<19, 528, 20, 0, 1, (ops variable_ops), "bctrl", BrB,
316 // D-Form instructions. Most instructions that perform an operation on a
317 // register and an immediate are of this type.
319 let isLoad = 1, PPC970_Unit = 2 in {
320 def LBZ : DForm_1<34, (ops GPRC:$rD, memri:$src),
321 "lbz $rD, $src", LdStGeneral,
322 [(set GPRC:$rD, (zextload iaddr:$src, i8))]>;
323 def LHA : DForm_1<42, (ops GPRC:$rD, memri:$src),
324 "lha $rD, $src", LdStLHA,
325 [(set GPRC:$rD, (sextload iaddr:$src, i16))]>,
326 PPC970_DGroup_Cracked;
327 def LHZ : DForm_1<40, (ops GPRC:$rD, memri:$src),
328 "lhz $rD, $src", LdStGeneral,
329 [(set GPRC:$rD, (zextload iaddr:$src, i16))]>;
330 def LWZ : DForm_1<32, (ops GPRC:$rD, memri:$src),
331 "lwz $rD, $src", LdStGeneral,
332 [(set GPRC:$rD, (load iaddr:$src))]>;
333 def LWZU : DForm_1<35, (ops GPRC:$rD, s16imm:$disp, GPRC:$rA),
334 "lwzu $rD, $disp($rA)", LdStGeneral,
337 let PPC970_Unit = 1 in { // FXU Operations.
338 def ADDI : DForm_2<14, (ops GPRC:$rD, GPRC:$rA, s16imm:$imm),
339 "addi $rD, $rA, $imm", IntGeneral,
340 [(set GPRC:$rD, (add GPRC:$rA, immSExt16:$imm))]>;
341 def ADDIC : DForm_2<12, (ops GPRC:$rD, GPRC:$rA, s16imm:$imm),
342 "addic $rD, $rA, $imm", IntGeneral,
343 [(set GPRC:$rD, (addc GPRC:$rA, immSExt16:$imm))]>,
344 PPC970_DGroup_Cracked;
345 def ADDICo : DForm_2<13, (ops GPRC:$rD, GPRC:$rA, s16imm:$imm),
346 "addic. $rD, $rA, $imm", IntGeneral,
348 def ADDIS : DForm_2<15, (ops GPRC:$rD, GPRC:$rA, symbolHi:$imm),
349 "addis $rD, $rA, $imm", IntGeneral,
350 [(set GPRC:$rD, (add GPRC:$rA, imm16Shifted:$imm))]>;
351 def LA : DForm_2<14, (ops GPRC:$rD, GPRC:$rA, symbolLo:$sym),
352 "la $rD, $sym($rA)", IntGeneral,
353 [(set GPRC:$rD, (add GPRC:$rA,
354 (PPClo tglobaladdr:$sym, 0)))]>;
355 def MULLI : DForm_2< 7, (ops GPRC:$rD, GPRC:$rA, s16imm:$imm),
356 "mulli $rD, $rA, $imm", IntMulLI,
357 [(set GPRC:$rD, (mul GPRC:$rA, immSExt16:$imm))]>;
358 def SUBFIC : DForm_2< 8, (ops GPRC:$rD, GPRC:$rA, s16imm:$imm),
359 "subfic $rD, $rA, $imm", IntGeneral,
360 [(set GPRC:$rD, (subc immSExt16:$imm, GPRC:$rA))]>;
361 def LI : DForm_2_r0<14, (ops GPRC:$rD, symbolLo:$imm),
362 "li $rD, $imm", IntGeneral,
363 [(set GPRC:$rD, immSExt16:$imm)]>;
364 def LIS : DForm_2_r0<15, (ops GPRC:$rD, symbolHi:$imm),
365 "lis $rD, $imm", IntGeneral,
366 [(set GPRC:$rD, imm16Shifted:$imm)]>;
368 let isStore = 1, noResults = 1, PPC970_Unit = 2 in {
369 def STB : DForm_3<38, (ops GPRC:$rS, memri:$src),
370 "stb $rS, $src", LdStGeneral,
371 [(truncstore GPRC:$rS, iaddr:$src, i8)]>;
372 def STH : DForm_3<44, (ops GPRC:$rS, memri:$src),
373 "sth $rS, $src", LdStGeneral,
374 [(truncstore GPRC:$rS, iaddr:$src, i16)]>;
375 def STW : DForm_3<36, (ops GPRC:$rS, memri:$src),
376 "stw $rS, $src", LdStGeneral,
377 [(store GPRC:$rS, iaddr:$src)]>;
378 def STWU : DForm_3<37, (ops GPRC:$rS, s16imm:$disp, GPRC:$rA),
379 "stwu $rS, $disp($rA)", LdStGeneral,
382 let PPC970_Unit = 1 in { // FXU Operations.
383 def ANDIo : DForm_4<28, (ops GPRC:$dst, GPRC:$src1, u16imm:$src2),
384 "andi. $dst, $src1, $src2", IntGeneral,
385 [(set GPRC:$dst, (and GPRC:$src1, immZExt16:$src2))]>,
387 def ANDISo : DForm_4<29, (ops GPRC:$dst, GPRC:$src1, u16imm:$src2),
388 "andis. $dst, $src1, $src2", IntGeneral,
389 [(set GPRC:$dst, (and GPRC:$src1, imm16Shifted:$src2))]>,
391 def ORI : DForm_4<24, (ops GPRC:$dst, GPRC:$src1, u16imm:$src2),
392 "ori $dst, $src1, $src2", IntGeneral,
393 [(set GPRC:$dst, (or GPRC:$src1, immZExt16:$src2))]>;
394 def ORIS : DForm_4<25, (ops GPRC:$dst, GPRC:$src1, u16imm:$src2),
395 "oris $dst, $src1, $src2", IntGeneral,
396 [(set GPRC:$dst, (or GPRC:$src1, imm16Shifted:$src2))]>;
397 def XORI : DForm_4<26, (ops GPRC:$dst, GPRC:$src1, u16imm:$src2),
398 "xori $dst, $src1, $src2", IntGeneral,
399 [(set GPRC:$dst, (xor GPRC:$src1, immZExt16:$src2))]>;
400 def XORIS : DForm_4<27, (ops GPRC:$dst, GPRC:$src1, u16imm:$src2),
401 "xoris $dst, $src1, $src2", IntGeneral,
402 [(set GPRC:$dst, (xor GPRC:$src1, imm16Shifted:$src2))]>;
403 def NOP : DForm_4_zero<24, (ops), "nop", IntGeneral,
405 def CMPI : DForm_5<11, (ops CRRC:$crD, i1imm:$L, GPRC:$rA, s16imm:$imm),
406 "cmpi $crD, $L, $rA, $imm", IntCompare>;
407 def CMPWI : DForm_5_ext<11, (ops CRRC:$crD, GPRC:$rA, s16imm:$imm),
408 "cmpwi $crD, $rA, $imm", IntCompare>;
409 def CMPDI : DForm_5_ext<11, (ops CRRC:$crD, GPRC:$rA, s16imm:$imm),
410 "cmpdi $crD, $rA, $imm", IntCompare>, isPPC64;
411 def CMPLI : DForm_6<10, (ops CRRC:$dst, i1imm:$size, GPRC:$src1, u16imm:$src2),
412 "cmpli $dst, $size, $src1, $src2", IntCompare>;
413 def CMPLWI : DForm_6_ext<10, (ops CRRC:$dst, GPRC:$src1, u16imm:$src2),
414 "cmplwi $dst, $src1, $src2", IntCompare>;
415 def CMPLDI : DForm_6_ext<10, (ops CRRC:$dst, GPRC:$src1, u16imm:$src2),
416 "cmpldi $dst, $src1, $src2", IntCompare>, isPPC64;
418 let isLoad = 1, PPC970_Unit = 2 in {
419 def LFS : DForm_8<48, (ops F4RC:$rD, memri:$src),
420 "lfs $rD, $src", LdStLFDU,
421 [(set F4RC:$rD, (load iaddr:$src))]>;
422 def LFD : DForm_8<50, (ops F8RC:$rD, memri:$src),
423 "lfd $rD, $src", LdStLFD,
424 [(set F8RC:$rD, (load iaddr:$src))]>;
426 let isStore = 1, noResults = 1, PPC970_Unit = 2 in {
427 def STFS : DForm_9<52, (ops F4RC:$rS, memri:$dst),
428 "stfs $rS, $dst", LdStUX,
429 [(store F4RC:$rS, iaddr:$dst)]>;
430 def STFD : DForm_9<54, (ops F8RC:$rS, memri:$dst),
431 "stfd $rS, $dst", LdStUX,
432 [(store F8RC:$rS, iaddr:$dst)]>;
435 // DS-Form instructions. Load/Store instructions available in PPC-64
437 let isLoad = 1, PPC970_Unit = 2 in {
438 def LWA : DSForm_1<58, 2, (ops GPRC:$rT, s16immX4:$DS, GPRC:$rA),
439 "lwa $rT, $DS($rA)", LdStLWA,
440 []>, isPPC64, PPC970_DGroup_Cracked;
441 def LD : DSForm_2<58, 0, (ops GPRC:$rT, s16immX4:$DS, GPRC:$rA),
442 "ld $rT, $DS($rA)", LdStLD,
445 let isStore = 1, noResults = 1, PPC970_Unit = 2 in {
446 def STD : DSForm_2<62, 0, (ops GPRC:$rT, s16immX4:$DS, GPRC:$rA),
447 "std $rT, $DS($rA)", LdStSTD,
450 // STD_32/STDX_32 - Just like STD/STDX, but uses a '32-bit' input register.
451 def STD_32 : DSForm_2<62, 0, (ops GPRC:$rT, memrix:$dst),
452 "std $rT, $dst", LdStSTD,
453 [(PPCstd_32 GPRC:$rT, ixaddr:$dst)]>, isPPC64;
454 def STDX_32 : XForm_8<31, 149, (ops GPRC:$rT, memrr:$dst),
455 "stdx $rT, $dst", LdStSTD,
456 [(PPCstd_32 GPRC:$rT, xaddr:$dst)]>, isPPC64,
457 PPC970_DGroup_Cracked;
460 // X-Form instructions. Most instructions that perform an operation on a
461 // register and another register are of this type.
463 let isLoad = 1, PPC970_Unit = 2 in {
464 def LBZX : XForm_1<31, 87, (ops GPRC:$rD, memrr:$src),
465 "lbzx $rD, $src", LdStGeneral,
466 [(set GPRC:$rD, (zextload xaddr:$src, i8))]>;
467 def LHAX : XForm_1<31, 343, (ops GPRC:$rD, memrr:$src),
468 "lhax $rD, $src", LdStLHA,
469 [(set GPRC:$rD, (sextload xaddr:$src, i16))]>,
470 PPC970_DGroup_Cracked;
471 def LHZX : XForm_1<31, 279, (ops GPRC:$rD, memrr:$src),
472 "lhzx $rD, $src", LdStGeneral,
473 [(set GPRC:$rD, (zextload xaddr:$src, i16))]>;
474 def LWAX : XForm_1<31, 341, (ops G8RC:$rD, memrr:$src),
475 "lwax $rD, $src", LdStLHA,
476 [(set G8RC:$rD, (sextload xaddr:$src, i32))]>, isPPC64,
477 PPC970_DGroup_Cracked;
478 def LWZX : XForm_1<31, 23, (ops GPRC:$rD, memrr:$src),
479 "lwzx $rD, $src", LdStGeneral,
480 [(set GPRC:$rD, (load xaddr:$src))]>;
481 def LDX : XForm_1<31, 21, (ops G8RC:$rD, memrr:$src),
482 "ldx $rD, $src", LdStLD,
483 [(set G8RC:$rD, (load xaddr:$src))]>, isPPC64;
486 let PPC970_Unit = 1 in { // FXU Operations.
487 def NAND : XForm_6<31, 476, (ops GPRC:$rA, GPRC:$rS, GPRC:$rB),
488 "nand $rA, $rS, $rB", IntGeneral,
489 [(set GPRC:$rA, (not (and GPRC:$rS, GPRC:$rB)))]>;
490 def AND : XForm_6<31, 28, (ops GPRC:$rA, GPRC:$rS, GPRC:$rB),
491 "and $rA, $rS, $rB", IntGeneral,
492 [(set GPRC:$rA, (and GPRC:$rS, GPRC:$rB))]>;
493 def ANDo : XForm_6<31, 28, (ops GPRC:$rA, GPRC:$rS, GPRC:$rB),
494 "and. $rA, $rS, $rB", IntGeneral,
496 def ANDC : XForm_6<31, 60, (ops GPRC:$rA, GPRC:$rS, GPRC:$rB),
497 "andc $rA, $rS, $rB", IntGeneral,
498 [(set GPRC:$rA, (and GPRC:$rS, (not GPRC:$rB)))]>;
499 def OR4 : XForm_6<31, 444, (ops GPRC:$rA, GPRC:$rS, GPRC:$rB),
500 "or $rA, $rS, $rB", IntGeneral,
501 [(set GPRC:$rA, (or GPRC:$rS, GPRC:$rB))]>;
502 def OR8 : XForm_6<31, 444, (ops G8RC:$rA, G8RC:$rS, G8RC:$rB),
503 "or $rA, $rS, $rB", IntGeneral,
504 [(set G8RC:$rA, (or G8RC:$rS, G8RC:$rB))]>;
505 def OR4To8 : XForm_6<31, 444, (ops G8RC:$rA, GPRC:$rS, GPRC:$rB),
506 "or $rA, $rS, $rB", IntGeneral,
508 def OR8To4 : XForm_6<31, 444, (ops GPRC:$rA, G8RC:$rS, G8RC:$rB),
509 "or $rA, $rS, $rB", IntGeneral,
511 def NOR : XForm_6<31, 124, (ops GPRC:$rA, GPRC:$rS, GPRC:$rB),
512 "nor $rA, $rS, $rB", IntGeneral,
513 [(set GPRC:$rA, (not (or GPRC:$rS, GPRC:$rB)))]>;
514 def ORo : XForm_6<31, 444, (ops GPRC:$rA, GPRC:$rS, GPRC:$rB),
515 "or. $rA, $rS, $rB", IntGeneral,
517 def ORC : XForm_6<31, 412, (ops GPRC:$rA, GPRC:$rS, GPRC:$rB),
518 "orc $rA, $rS, $rB", IntGeneral,
519 [(set GPRC:$rA, (or GPRC:$rS, (not GPRC:$rB)))]>;
520 def EQV : XForm_6<31, 284, (ops GPRC:$rA, GPRC:$rS, GPRC:$rB),
521 "eqv $rA, $rS, $rB", IntGeneral,
522 [(set GPRC:$rA, (not (xor GPRC:$rS, GPRC:$rB)))]>;
523 def XOR : XForm_6<31, 316, (ops GPRC:$rA, GPRC:$rS, GPRC:$rB),
524 "xor $rA, $rS, $rB", IntGeneral,
525 [(set GPRC:$rA, (xor GPRC:$rS, GPRC:$rB))]>;
526 def SLD : XForm_6<31, 27, (ops G8RC:$rA, G8RC:$rS, G8RC:$rB),
527 "sld $rA, $rS, $rB", IntRotateD,
528 [(set G8RC:$rA, (shl G8RC:$rS, G8RC:$rB))]>, isPPC64;
529 def SLW : XForm_6<31, 24, (ops GPRC:$rA, GPRC:$rS, GPRC:$rB),
530 "slw $rA, $rS, $rB", IntGeneral,
531 [(set GPRC:$rA, (PPCshl GPRC:$rS, GPRC:$rB))]>;
532 def SRD : XForm_6<31, 539, (ops G8RC:$rA, G8RC:$rS, G8RC:$rB),
533 "srd $rA, $rS, $rB", IntRotateD,
534 [(set G8RC:$rA, (srl G8RC:$rS, G8RC:$rB))]>, isPPC64;
535 def SRW : XForm_6<31, 536, (ops GPRC:$rA, GPRC:$rS, GPRC:$rB),
536 "srw $rA, $rS, $rB", IntGeneral,
537 [(set GPRC:$rA, (PPCsrl GPRC:$rS, GPRC:$rB))]>;
538 def SRAD : XForm_6<31, 794, (ops G8RC:$rA, G8RC:$rS, G8RC:$rB),
539 "srad $rA, $rS, $rB", IntRotateD,
540 [(set G8RC:$rA, (sra G8RC:$rS, G8RC:$rB))]>, isPPC64;
541 def SRAW : XForm_6<31, 792, (ops GPRC:$rA, GPRC:$rS, GPRC:$rB),
542 "sraw $rA, $rS, $rB", IntShift,
543 [(set GPRC:$rA, (PPCsra GPRC:$rS, GPRC:$rB))]>;
545 let isStore = 1, noResults = 1, PPC970_Unit = 2 in {
546 def STBX : XForm_8<31, 215, (ops GPRC:$rS, memrr:$dst),
547 "stbx $rS, $dst", LdStGeneral,
548 [(truncstore GPRC:$rS, xaddr:$dst, i8)]>,
549 PPC970_DGroup_Cracked;
550 def STHX : XForm_8<31, 407, (ops GPRC:$rS, memrr:$dst),
551 "sthx $rS, $dst", LdStGeneral,
552 [(truncstore GPRC:$rS, xaddr:$dst, i16)]>,
553 PPC970_DGroup_Cracked;
554 def STWX : XForm_8<31, 151, (ops GPRC:$rS, memrr:$dst),
555 "stwx $rS, $dst", LdStGeneral,
556 [(store GPRC:$rS, xaddr:$dst)]>,
557 PPC970_DGroup_Cracked;
558 def STWUX : XForm_8<31, 183, (ops GPRC:$rS, GPRC:$rA, GPRC:$rB),
559 "stwux $rS, $rA, $rB", LdStGeneral,
561 def STDX : XForm_8<31, 149, (ops GPRC:$rS, GPRC:$rA, GPRC:$rB),
562 "stdx $rS, $rA, $rB", LdStSTD,
563 []>, isPPC64, PPC970_DGroup_Cracked;
564 def STDUX : XForm_8<31, 181, (ops GPRC:$rS, GPRC:$rA, GPRC:$rB),
565 "stdux $rS, $rA, $rB", LdStSTD,
568 let PPC970_Unit = 1 in { // FXU Operations.
569 def SRAWI : XForm_10<31, 824, (ops GPRC:$rA, GPRC:$rS, u5imm:$SH),
570 "srawi $rA, $rS, $SH", IntShift,
571 [(set GPRC:$rA, (sra GPRC:$rS, (i32 imm:$SH)))]>;
572 def CNTLZW : XForm_11<31, 26, (ops GPRC:$rA, GPRC:$rS),
573 "cntlzw $rA, $rS", IntGeneral,
574 [(set GPRC:$rA, (ctlz GPRC:$rS))]>;
575 def EXTSB : XForm_11<31, 954, (ops GPRC:$rA, GPRC:$rS),
576 "extsb $rA, $rS", IntGeneral,
577 [(set GPRC:$rA, (sext_inreg GPRC:$rS, i8))]>;
578 def EXTSH : XForm_11<31, 922, (ops GPRC:$rA, GPRC:$rS),
579 "extsh $rA, $rS", IntGeneral,
580 [(set GPRC:$rA, (sext_inreg GPRC:$rS, i16))]>;
581 def EXTSW : XForm_11<31, 986, (ops G8RC:$rA, G8RC:$rS),
582 "extsw $rA, $rS", IntGeneral,
583 [(set G8RC:$rA, (sext_inreg G8RC:$rS, i32))]>, isPPC64;
584 /// EXTSW_32 - Just like EXTSW, but works on '32-bit' registers.
585 def EXTSW_32 : XForm_11<31, 986, (ops GPRC:$rA, GPRC:$rS),
586 "extsw $rA, $rS", IntGeneral,
587 [(set GPRC:$rA, (PPCextsw_32 GPRC:$rS))]>, isPPC64;
589 def CMP : XForm_16<31, 0, (ops CRRC:$crD, i1imm:$long, GPRC:$rA, GPRC:$rB),
590 "cmp $crD, $long, $rA, $rB", IntCompare>;
591 def CMPL : XForm_16<31, 32, (ops CRRC:$crD, i1imm:$long, GPRC:$rA, GPRC:$rB),
592 "cmpl $crD, $long, $rA, $rB", IntCompare>;
593 def CMPW : XForm_16_ext<31, 0, (ops CRRC:$crD, GPRC:$rA, GPRC:$rB),
594 "cmpw $crD, $rA, $rB", IntCompare>;
595 def CMPD : XForm_16_ext<31, 0, (ops CRRC:$crD, GPRC:$rA, GPRC:$rB),
596 "cmpd $crD, $rA, $rB", IntCompare>, isPPC64;
597 def CMPLW : XForm_16_ext<31, 32, (ops CRRC:$crD, GPRC:$rA, GPRC:$rB),
598 "cmplw $crD, $rA, $rB", IntCompare>;
599 def CMPLD : XForm_16_ext<31, 32, (ops CRRC:$crD, GPRC:$rA, GPRC:$rB),
600 "cmpld $crD, $rA, $rB", IntCompare>, isPPC64;
602 let PPC970_Unit = 3 in { // FPU Operations.
603 //def FCMPO : XForm_17<63, 32, (ops CRRC:$crD, FPRC:$fA, FPRC:$fB),
604 // "fcmpo $crD, $fA, $fB", FPCompare>;
605 def FCMPUS : XForm_17<63, 0, (ops CRRC:$crD, F4RC:$fA, F4RC:$fB),
606 "fcmpu $crD, $fA, $fB", FPCompare>;
607 def FCMPUD : XForm_17<63, 0, (ops CRRC:$crD, F8RC:$fA, F8RC:$fB),
608 "fcmpu $crD, $fA, $fB", FPCompare>;
610 let isLoad = 1, PPC970_Unit = 2 in {
611 def LFSX : XForm_25<31, 535, (ops F4RC:$frD, memrr:$src),
612 "lfsx $frD, $src", LdStLFDU,
613 [(set F4RC:$frD, (load xaddr:$src))]>;
614 def LFDX : XForm_25<31, 599, (ops F8RC:$frD, memrr:$src),
615 "lfdx $frD, $src", LdStLFDU,
616 [(set F8RC:$frD, (load xaddr:$src))]>;
618 let PPC970_Unit = 3 in { // FPU Operations.
619 def FCFID : XForm_26<63, 846, (ops F8RC:$frD, F8RC:$frB),
620 "fcfid $frD, $frB", FPGeneral,
621 [(set F8RC:$frD, (PPCfcfid F8RC:$frB))]>, isPPC64;
622 def FCTIDZ : XForm_26<63, 815, (ops F8RC:$frD, F8RC:$frB),
623 "fctidz $frD, $frB", FPGeneral,
624 [(set F8RC:$frD, (PPCfctidz F8RC:$frB))]>, isPPC64;
625 def FCTIWZ : XForm_26<63, 15, (ops F8RC:$frD, F8RC:$frB),
626 "fctiwz $frD, $frB", FPGeneral,
627 [(set F8RC:$frD, (PPCfctiwz F8RC:$frB))]>;
628 def FRSP : XForm_26<63, 12, (ops F4RC:$frD, F8RC:$frB),
629 "frsp $frD, $frB", FPGeneral,
630 [(set F4RC:$frD, (fround F8RC:$frB))]>;
631 def FSQRT : XForm_26<63, 22, (ops F8RC:$frD, F8RC:$frB),
632 "fsqrt $frD, $frB", FPSqrt,
633 [(set F8RC:$frD, (fsqrt F8RC:$frB))]>;
634 def FSQRTS : XForm_26<59, 22, (ops F4RC:$frD, F4RC:$frB),
635 "fsqrts $frD, $frB", FPSqrt,
636 [(set F4RC:$frD, (fsqrt F4RC:$frB))]>;
639 /// FMR is split into 3 versions, one for 4/8 byte FP, and one for extending.
641 /// Note that these are defined as pseudo-ops on the PPC970 because they are
642 /// often coalesced away and we don't want the dispatch group builder to think
643 /// that they will fill slots (which could cause the load of a LSU reject to
644 /// sneak into a d-group with a store).
645 def FMRS : XForm_26<63, 72, (ops F4RC:$frD, F4RC:$frB),
646 "fmr $frD, $frB", FPGeneral,
647 []>, // (set F4RC:$frD, F4RC:$frB)
649 def FMRD : XForm_26<63, 72, (ops F8RC:$frD, F8RC:$frB),
650 "fmr $frD, $frB", FPGeneral,
651 []>, // (set F8RC:$frD, F8RC:$frB)
653 def FMRSD : XForm_26<63, 72, (ops F8RC:$frD, F4RC:$frB),
654 "fmr $frD, $frB", FPGeneral,
655 [(set F8RC:$frD, (fextend F4RC:$frB))]>,
658 let PPC970_Unit = 3 in { // FPU Operations.
659 // These are artificially split into two different forms, for 4/8 byte FP.
660 def FABSS : XForm_26<63, 264, (ops F4RC:$frD, F4RC:$frB),
661 "fabs $frD, $frB", FPGeneral,
662 [(set F4RC:$frD, (fabs F4RC:$frB))]>;
663 def FABSD : XForm_26<63, 264, (ops F8RC:$frD, F8RC:$frB),
664 "fabs $frD, $frB", FPGeneral,
665 [(set F8RC:$frD, (fabs F8RC:$frB))]>;
666 def FNABSS : XForm_26<63, 136, (ops F4RC:$frD, F4RC:$frB),
667 "fnabs $frD, $frB", FPGeneral,
668 [(set F4RC:$frD, (fneg (fabs F4RC:$frB)))]>;
669 def FNABSD : XForm_26<63, 136, (ops F8RC:$frD, F8RC:$frB),
670 "fnabs $frD, $frB", FPGeneral,
671 [(set F8RC:$frD, (fneg (fabs F8RC:$frB)))]>;
672 def FNEGS : XForm_26<63, 40, (ops F4RC:$frD, F4RC:$frB),
673 "fneg $frD, $frB", FPGeneral,
674 [(set F4RC:$frD, (fneg F4RC:$frB))]>;
675 def FNEGD : XForm_26<63, 40, (ops F8RC:$frD, F8RC:$frB),
676 "fneg $frD, $frB", FPGeneral,
677 [(set F8RC:$frD, (fneg F8RC:$frB))]>;
680 let isStore = 1, noResults = 1, PPC970_Unit = 2 in {
681 def STFIWX: XForm_28<31, 983, (ops F8RC:$frS, memrr:$dst),
682 "stfiwx $frS, $dst", LdStUX,
683 [(PPCstfiwx F8RC:$frS, xoaddr:$dst)]>;
684 def STFSX : XForm_28<31, 663, (ops F4RC:$frS, memrr:$dst),
685 "stfsx $frS, $dst", LdStUX,
686 [(store F4RC:$frS, xaddr:$dst)]>;
687 def STFDX : XForm_28<31, 727, (ops F8RC:$frS, memrr:$dst),
688 "stfdx $frS, $dst", LdStUX,
689 [(store F8RC:$frS, xaddr:$dst)]>;
692 // XL-Form instructions. condition register logical ops.
694 def MCRF : XLForm_3<19, 0, (ops CRRC:$BF, CRRC:$BFA),
695 "mcrf $BF, $BFA", BrMCR>,
696 PPC970_DGroup_First, PPC970_Unit_CRU;
698 // XFX-Form instructions. Instructions that deal with SPRs.
700 def MFCTR : XFXForm_1_ext<31, 339, 9, (ops GPRC:$rT), "mfctr $rT", SprMFSPR>,
701 PPC970_DGroup_First, PPC970_Unit_FXU;
702 def MTCTR : XFXForm_7_ext<31, 467, 9, (ops GPRC:$rS), "mtctr $rS", SprMTSPR>,
703 PPC970_DGroup_First, PPC970_Unit_FXU;
705 def MTLR : XFXForm_7_ext<31, 467, 8, (ops GPRC:$rS), "mtlr $rS", SprMTSPR>,
706 PPC970_DGroup_First, PPC970_Unit_FXU;
707 def MFLR : XFXForm_1_ext<31, 339, 8, (ops GPRC:$rT), "mflr $rT", SprMFSPR>,
708 PPC970_DGroup_First, PPC970_Unit_FXU;
710 // Move to/from VRSAVE: despite being a SPR, the VRSAVE register is renamed like
711 // a GPR on the PPC970. As such, copies in and out have the same performance
712 // characteristics as an OR instruction.
713 def MTVRSAVE : XFXForm_7_ext<31, 467, 256, (ops GPRC:$rS),
714 "mtspr 256, $rS", IntGeneral>,
715 PPC970_DGroup_Single, PPC970_Unit_FXU;
716 def MFVRSAVE : XFXForm_1_ext<31, 339, 256, (ops GPRC:$rT),
717 "mfspr $rT, 256", IntGeneral>,
718 PPC970_DGroup_First, PPC970_Unit_FXU;
720 def MTCRF : XFXForm_5<31, 144, (ops crbitm:$FXM, GPRC:$rS),
721 "mtcrf $FXM, $rS", BrMCRX>,
722 PPC970_MicroCode, PPC970_Unit_CRU;
723 def MFCR : XFXForm_3<31, 19, (ops GPRC:$rT), "mfcr $rT", SprMFCR>,
724 PPC970_MicroCode, PPC970_Unit_CRU;
725 def MFOCRF: XFXForm_5a<31, 19, (ops GPRC:$rT, crbitm:$FXM),
726 "mfcr $rT, $FXM", SprMFCR>,
727 PPC970_DGroup_First, PPC970_Unit_CRU;
729 // XS-Form instructions. Just 'sradi'
731 let PPC970_Unit = 1 in { // FXU Operations.
732 def SRADI : XSForm_1<31, 413, (ops GPRC:$rA, GPRC:$rS, u6imm:$SH),
733 "sradi $rA, $rS, $SH", IntRotateD>, isPPC64;
735 // XO-Form instructions. Arithmetic instructions that can set overflow bit
737 def ADD4 : XOForm_1<31, 266, 0, (ops GPRC:$rT, GPRC:$rA, GPRC:$rB),
738 "add $rT, $rA, $rB", IntGeneral,
739 [(set GPRC:$rT, (add GPRC:$rA, GPRC:$rB))]>;
740 def ADD8 : XOForm_1<31, 266, 0, (ops G8RC:$rT, G8RC:$rA, G8RC:$rB),
741 "add $rT, $rA, $rB", IntGeneral,
742 [(set G8RC:$rT, (add G8RC:$rA, G8RC:$rB))]>;
743 def ADDC : XOForm_1<31, 10, 0, (ops GPRC:$rT, GPRC:$rA, GPRC:$rB),
744 "addc $rT, $rA, $rB", IntGeneral,
745 [(set GPRC:$rT, (addc GPRC:$rA, GPRC:$rB))]>,
746 PPC970_DGroup_Cracked;
747 def ADDE : XOForm_1<31, 138, 0, (ops GPRC:$rT, GPRC:$rA, GPRC:$rB),
748 "adde $rT, $rA, $rB", IntGeneral,
749 [(set GPRC:$rT, (adde GPRC:$rA, GPRC:$rB))]>;
750 def DIVD : XOForm_1<31, 489, 0, (ops G8RC:$rT, G8RC:$rA, G8RC:$rB),
751 "divd $rT, $rA, $rB", IntDivD,
752 [(set G8RC:$rT, (sdiv G8RC:$rA, G8RC:$rB))]>, isPPC64,
753 PPC970_DGroup_First, PPC970_DGroup_Cracked;
754 def DIVDU : XOForm_1<31, 457, 0, (ops G8RC:$rT, G8RC:$rA, G8RC:$rB),
755 "divdu $rT, $rA, $rB", IntDivD,
756 [(set G8RC:$rT, (udiv G8RC:$rA, G8RC:$rB))]>, isPPC64,
757 PPC970_DGroup_First, PPC970_DGroup_Cracked;
758 def DIVW : XOForm_1<31, 491, 0, (ops GPRC:$rT, GPRC:$rA, GPRC:$rB),
759 "divw $rT, $rA, $rB", IntDivW,
760 [(set GPRC:$rT, (sdiv GPRC:$rA, GPRC:$rB))]>,
761 PPC970_DGroup_First, PPC970_DGroup_Cracked;
762 def DIVWU : XOForm_1<31, 459, 0, (ops GPRC:$rT, GPRC:$rA, GPRC:$rB),
763 "divwu $rT, $rA, $rB", IntDivW,
764 [(set GPRC:$rT, (udiv GPRC:$rA, GPRC:$rB))]>,
765 PPC970_DGroup_First, PPC970_DGroup_Cracked;
766 def MULHD : XOForm_1<31, 73, 0, (ops G8RC:$rT, G8RC:$rA, G8RC:$rB),
767 "mulhd $rT, $rA, $rB", IntMulHW,
768 [(set G8RC:$rT, (mulhs G8RC:$rA, G8RC:$rB))]>;
769 def MULHDU : XOForm_1<31, 9, 0, (ops G8RC:$rT, G8RC:$rA, G8RC:$rB),
770 "mulhdu $rT, $rA, $rB", IntMulHWU,
771 [(set G8RC:$rT, (mulhu G8RC:$rA, G8RC:$rB))]>;
772 def MULHW : XOForm_1<31, 75, 0, (ops GPRC:$rT, GPRC:$rA, GPRC:$rB),
773 "mulhw $rT, $rA, $rB", IntMulHW,
774 [(set GPRC:$rT, (mulhs GPRC:$rA, GPRC:$rB))]>;
775 def MULHWU : XOForm_1<31, 11, 0, (ops GPRC:$rT, GPRC:$rA, GPRC:$rB),
776 "mulhwu $rT, $rA, $rB", IntMulHWU,
777 [(set GPRC:$rT, (mulhu GPRC:$rA, GPRC:$rB))]>;
778 def MULLD : XOForm_1<31, 233, 0, (ops G8RC:$rT, G8RC:$rA, G8RC:$rB),
779 "mulld $rT, $rA, $rB", IntMulHD,
780 [(set G8RC:$rT, (mul G8RC:$rA, G8RC:$rB))]>, isPPC64;
781 def MULLW : XOForm_1<31, 235, 0, (ops GPRC:$rT, GPRC:$rA, GPRC:$rB),
782 "mullw $rT, $rA, $rB", IntMulHW,
783 [(set GPRC:$rT, (mul GPRC:$rA, GPRC:$rB))]>;
784 def SUBF : XOForm_1<31, 40, 0, (ops GPRC:$rT, GPRC:$rA, GPRC:$rB),
785 "subf $rT, $rA, $rB", IntGeneral,
786 [(set GPRC:$rT, (sub GPRC:$rB, GPRC:$rA))]>;
787 def SUBFC : XOForm_1<31, 8, 0, (ops GPRC:$rT, GPRC:$rA, GPRC:$rB),
788 "subfc $rT, $rA, $rB", IntGeneral,
789 [(set GPRC:$rT, (subc GPRC:$rB, GPRC:$rA))]>,
790 PPC970_DGroup_Cracked;
791 def SUBFE : XOForm_1<31, 136, 0, (ops GPRC:$rT, GPRC:$rA, GPRC:$rB),
792 "subfe $rT, $rA, $rB", IntGeneral,
793 [(set GPRC:$rT, (sube GPRC:$rB, GPRC:$rA))]>;
794 def ADDME : XOForm_3<31, 234, 0, (ops GPRC:$rT, GPRC:$rA),
795 "addme $rT, $rA", IntGeneral,
796 [(set GPRC:$rT, (adde GPRC:$rA, immAllOnes))]>;
797 def ADDZE : XOForm_3<31, 202, 0, (ops GPRC:$rT, GPRC:$rA),
798 "addze $rT, $rA", IntGeneral,
799 [(set GPRC:$rT, (adde GPRC:$rA, 0))]>;
800 def NEG : XOForm_3<31, 104, 0, (ops GPRC:$rT, GPRC:$rA),
801 "neg $rT, $rA", IntGeneral,
802 [(set GPRC:$rT, (ineg GPRC:$rA))]>;
803 def SUBFME : XOForm_3<31, 232, 0, (ops GPRC:$rT, GPRC:$rA),
804 "subfme $rT, $rA", IntGeneral,
805 [(set GPRC:$rT, (sube immAllOnes, GPRC:$rA))]>;
806 def SUBFZE : XOForm_3<31, 200, 0, (ops GPRC:$rT, GPRC:$rA),
807 "subfze $rT, $rA", IntGeneral,
808 [(set GPRC:$rT, (sube 0, GPRC:$rA))]>;
811 // A-Form instructions. Most of the instructions executed in the FPU are of
814 let PPC970_Unit = 3 in { // FPU Operations.
815 def FMADD : AForm_1<63, 29,
816 (ops F8RC:$FRT, F8RC:$FRA, F8RC:$FRC, F8RC:$FRB),
817 "fmadd $FRT, $FRA, $FRC, $FRB", FPFused,
818 [(set F8RC:$FRT, (fadd (fmul F8RC:$FRA, F8RC:$FRC),
820 Requires<[FPContractions]>;
821 def FMADDS : AForm_1<59, 29,
822 (ops F4RC:$FRT, F4RC:$FRA, F4RC:$FRC, F4RC:$FRB),
823 "fmadds $FRT, $FRA, $FRC, $FRB", FPGeneral,
824 [(set F4RC:$FRT, (fadd (fmul F4RC:$FRA, F4RC:$FRC),
826 Requires<[FPContractions]>;
827 def FMSUB : AForm_1<63, 28,
828 (ops F8RC:$FRT, F8RC:$FRA, F8RC:$FRC, F8RC:$FRB),
829 "fmsub $FRT, $FRA, $FRC, $FRB", FPFused,
830 [(set F8RC:$FRT, (fsub (fmul F8RC:$FRA, F8RC:$FRC),
832 Requires<[FPContractions]>;
833 def FMSUBS : AForm_1<59, 28,
834 (ops F4RC:$FRT, F4RC:$FRA, F4RC:$FRC, F4RC:$FRB),
835 "fmsubs $FRT, $FRA, $FRC, $FRB", FPGeneral,
836 [(set F4RC:$FRT, (fsub (fmul F4RC:$FRA, F4RC:$FRC),
838 Requires<[FPContractions]>;
839 def FNMADD : AForm_1<63, 31,
840 (ops F8RC:$FRT, F8RC:$FRA, F8RC:$FRC, F8RC:$FRB),
841 "fnmadd $FRT, $FRA, $FRC, $FRB", FPFused,
842 [(set F8RC:$FRT, (fneg (fadd (fmul F8RC:$FRA, F8RC:$FRC),
844 Requires<[FPContractions]>;
845 def FNMADDS : AForm_1<59, 31,
846 (ops F4RC:$FRT, F4RC:$FRA, F4RC:$FRC, F4RC:$FRB),
847 "fnmadds $FRT, $FRA, $FRC, $FRB", FPGeneral,
848 [(set F4RC:$FRT, (fneg (fadd (fmul F4RC:$FRA, F4RC:$FRC),
850 Requires<[FPContractions]>;
851 def FNMSUB : AForm_1<63, 30,
852 (ops F8RC:$FRT, F8RC:$FRA, F8RC:$FRC, F8RC:$FRB),
853 "fnmsub $FRT, $FRA, $FRC, $FRB", FPFused,
854 [(set F8RC:$FRT, (fneg (fsub (fmul F8RC:$FRA, F8RC:$FRC),
856 Requires<[FPContractions]>;
857 def FNMSUBS : AForm_1<59, 30,
858 (ops F4RC:$FRT, F4RC:$FRA, F4RC:$FRC, F4RC:$FRB),
859 "fnmsubs $FRT, $FRA, $FRC, $FRB", FPGeneral,
860 [(set F4RC:$FRT, (fneg (fsub (fmul F4RC:$FRA, F4RC:$FRC),
862 Requires<[FPContractions]>;
863 // FSEL is artificially split into 4 and 8-byte forms for the result. To avoid
864 // having 4 of these, force the comparison to always be an 8-byte double (code
865 // should use an FMRSD if the input comparison value really wants to be a float)
866 // and 4/8 byte forms for the result and operand type..
867 def FSELD : AForm_1<63, 23,
868 (ops F8RC:$FRT, F8RC:$FRA, F8RC:$FRC, F8RC:$FRB),
869 "fsel $FRT, $FRA, $FRC, $FRB", FPGeneral,
870 [(set F8RC:$FRT, (PPCfsel F8RC:$FRA,F8RC:$FRC,F8RC:$FRB))]>;
871 def FSELS : AForm_1<63, 23,
872 (ops F4RC:$FRT, F8RC:$FRA, F4RC:$FRC, F4RC:$FRB),
873 "fsel $FRT, $FRA, $FRC, $FRB", FPGeneral,
874 [(set F4RC:$FRT, (PPCfsel F8RC:$FRA,F4RC:$FRC,F4RC:$FRB))]>;
875 def FADD : AForm_2<63, 21,
876 (ops F8RC:$FRT, F8RC:$FRA, F8RC:$FRB),
877 "fadd $FRT, $FRA, $FRB", FPGeneral,
878 [(set F8RC:$FRT, (fadd F8RC:$FRA, F8RC:$FRB))]>;
879 def FADDS : AForm_2<59, 21,
880 (ops F4RC:$FRT, F4RC:$FRA, F4RC:$FRB),
881 "fadds $FRT, $FRA, $FRB", FPGeneral,
882 [(set F4RC:$FRT, (fadd F4RC:$FRA, F4RC:$FRB))]>;
883 def FDIV : AForm_2<63, 18,
884 (ops F8RC:$FRT, F8RC:$FRA, F8RC:$FRB),
885 "fdiv $FRT, $FRA, $FRB", FPDivD,
886 [(set F8RC:$FRT, (fdiv F8RC:$FRA, F8RC:$FRB))]>;
887 def FDIVS : AForm_2<59, 18,
888 (ops F4RC:$FRT, F4RC:$FRA, F4RC:$FRB),
889 "fdivs $FRT, $FRA, $FRB", FPDivS,
890 [(set F4RC:$FRT, (fdiv F4RC:$FRA, F4RC:$FRB))]>;
891 def FMUL : AForm_3<63, 25,
892 (ops F8RC:$FRT, F8RC:$FRA, F8RC:$FRB),
893 "fmul $FRT, $FRA, $FRB", FPFused,
894 [(set F8RC:$FRT, (fmul F8RC:$FRA, F8RC:$FRB))]>;
895 def FMULS : AForm_3<59, 25,
896 (ops F4RC:$FRT, F4RC:$FRA, F4RC:$FRB),
897 "fmuls $FRT, $FRA, $FRB", FPGeneral,
898 [(set F4RC:$FRT, (fmul F4RC:$FRA, F4RC:$FRB))]>;
899 def FSUB : AForm_2<63, 20,
900 (ops F8RC:$FRT, F8RC:$FRA, F8RC:$FRB),
901 "fsub $FRT, $FRA, $FRB", FPGeneral,
902 [(set F8RC:$FRT, (fsub F8RC:$FRA, F8RC:$FRB))]>;
903 def FSUBS : AForm_2<59, 20,
904 (ops F4RC:$FRT, F4RC:$FRA, F4RC:$FRB),
905 "fsubs $FRT, $FRA, $FRB", FPGeneral,
906 [(set F4RC:$FRT, (fsub F4RC:$FRA, F4RC:$FRB))]>;
909 let PPC970_Unit = 1 in { // FXU Operations.
910 // M-Form instructions. rotate and mask instructions.
912 let isTwoAddress = 1, isCommutable = 1 in {
913 // RLWIMI can be commuted if the rotate amount is zero.
914 def RLWIMI : MForm_2<20,
915 (ops GPRC:$rA, GPRC:$rSi, GPRC:$rS, u5imm:$SH, u5imm:$MB,
916 u5imm:$ME), "rlwimi $rA, $rS, $SH, $MB, $ME", IntRotate,
917 []>, PPC970_DGroup_Cracked;
918 def RLDIMI : MDForm_1<30, 3,
919 (ops G8RC:$rA, G8RC:$rSi, G8RC:$rS, u6imm:$SH, u6imm:$MB),
920 "rldimi $rA, $rS, $SH, $MB", IntRotateD,
923 def RLWINM : MForm_2<21,
924 (ops GPRC:$rA, GPRC:$rS, u5imm:$SH, u5imm:$MB, u5imm:$ME),
925 "rlwinm $rA, $rS, $SH, $MB, $ME", IntGeneral,
927 def RLWINMo : MForm_2<21,
928 (ops GPRC:$rA, GPRC:$rS, u5imm:$SH, u5imm:$MB, u5imm:$ME),
929 "rlwinm. $rA, $rS, $SH, $MB, $ME", IntGeneral,
930 []>, isDOT, PPC970_DGroup_Cracked;
931 def RLWNM : MForm_2<23,
932 (ops GPRC:$rA, GPRC:$rS, GPRC:$rB, u5imm:$MB, u5imm:$ME),
933 "rlwnm $rA, $rS, $rB, $MB, $ME", IntGeneral,
936 // MD-Form instructions. 64 bit rotate instructions.
938 def RLDICL : MDForm_1<30, 0,
939 (ops G8RC:$rA, G8RC:$rS, u6imm:$SH, u6imm:$MB),
940 "rldicl $rA, $rS, $SH, $MB", IntRotateD,
942 def RLDICR : MDForm_1<30, 1,
943 (ops G8RC:$rA, G8RC:$rS, u6imm:$SH, u6imm:$ME),
944 "rldicr $rA, $rS, $SH, $ME", IntRotateD,
949 //===----------------------------------------------------------------------===//
950 // DWARF Pseudo Instructions
953 def DWARF_LOC : Pseudo<(ops i32imm:$line, i32imm:$col, i32imm:$file),
954 "; .loc $file, $line, $col",
955 [(dwarf_loc (i32 imm:$line), (i32 imm:$col),
958 def DWARF_LABEL : Pseudo<(ops i32imm:$id),
960 [(dwarf_label (i32 imm:$id))]>;
962 //===----------------------------------------------------------------------===//
963 // PowerPC Instruction Patterns
966 // Arbitrary immediate support. Implement in terms of LIS/ORI.
967 def : Pat<(i32 imm:$imm),
968 (ORI (LIS (HI16 imm:$imm)), (LO16 imm:$imm))>;
970 // Implement the 'not' operation with the NOR instruction.
971 def NOT : Pat<(not GPRC:$in),
972 (NOR GPRC:$in, GPRC:$in)>;
974 // ADD an arbitrary immediate.
975 def : Pat<(add GPRC:$in, imm:$imm),
976 (ADDIS (ADDI GPRC:$in, (LO16 imm:$imm)), (HA16 imm:$imm))>;
977 // OR an arbitrary immediate.
978 def : Pat<(or GPRC:$in, imm:$imm),
979 (ORIS (ORI GPRC:$in, (LO16 imm:$imm)), (HI16 imm:$imm))>;
980 // XOR an arbitrary immediate.
981 def : Pat<(xor GPRC:$in, imm:$imm),
982 (XORIS (XORI GPRC:$in, (LO16 imm:$imm)), (HI16 imm:$imm))>;
984 def : Pat<(sub immSExt16:$imm, GPRC:$in),
985 (SUBFIC GPRC:$in, imm:$imm)>;
987 // Return void support.
988 def : Pat<(ret), (BLR)>;
991 def : Pat<(i64 (zext GPRC:$in)),
992 (RLDICL (OR4To8 GPRC:$in, GPRC:$in), 0, 32)>;
993 def : Pat<(i64 (anyext GPRC:$in)),
994 (OR4To8 GPRC:$in, GPRC:$in)>;
995 def : Pat<(i32 (trunc G8RC:$in)),
996 (OR8To4 G8RC:$in, G8RC:$in)>;
999 def : Pat<(shl GPRC:$in, (i32 imm:$imm)),
1000 (RLWINM GPRC:$in, imm:$imm, 0, (SHL32 imm:$imm))>;
1001 def : Pat<(shl G8RC:$in, (i64 imm:$imm)),
1002 (RLDICR G8RC:$in, imm:$imm, (SHL64 imm:$imm))>;
1004 def : Pat<(srl GPRC:$in, (i32 imm:$imm)),
1005 (RLWINM GPRC:$in, (SRL32 imm:$imm), imm:$imm, 31)>;
1006 def : Pat<(srl G8RC:$in, (i64 imm:$imm)),
1007 (RLDICL G8RC:$in, (SRL64 imm:$imm), imm:$imm)>;
1010 def : Pat<(rotl GPRC:$in, GPRC:$sh),
1011 (RLWNM GPRC:$in, GPRC:$sh, 0, 31)>;
1012 def : Pat<(rotl GPRC:$in, (i32 imm:$imm)),
1013 (RLWINM GPRC:$in, imm:$imm, 0, 31)>;
1015 // Hi and Lo for Darwin Global Addresses.
1016 def : Pat<(PPChi tglobaladdr:$in, 0), (LIS tglobaladdr:$in)>;
1017 def : Pat<(PPClo tglobaladdr:$in, 0), (LI tglobaladdr:$in)>;
1018 def : Pat<(PPChi tconstpool:$in, 0), (LIS tconstpool:$in)>;
1019 def : Pat<(PPClo tconstpool:$in, 0), (LI tconstpool:$in)>;
1020 def : Pat<(add GPRC:$in, (PPChi tglobaladdr:$g, 0)),
1021 (ADDIS GPRC:$in, tglobaladdr:$g)>;
1022 def : Pat<(add GPRC:$in, (PPChi tconstpool:$g, 0)),
1023 (ADDIS GPRC:$in, tconstpool:$g)>;
1025 // Fused negative multiply subtract, alternate pattern
1026 def : Pat<(fsub F8RC:$B, (fmul F8RC:$A, F8RC:$C)),
1027 (FNMSUB F8RC:$A, F8RC:$C, F8RC:$B)>,
1028 Requires<[FPContractions]>;
1029 def : Pat<(fsub F4RC:$B, (fmul F4RC:$A, F4RC:$C)),
1030 (FNMSUBS F4RC:$A, F4RC:$C, F4RC:$B)>,
1031 Requires<[FPContractions]>;
1033 // Standard shifts. These are represented separately from the real shifts above
1034 // so that we can distinguish between shifts that allow 5-bit and 6-bit shift
1036 def : Pat<(sra GPRC:$rS, GPRC:$rB),
1037 (SRAW GPRC:$rS, GPRC:$rB)>;
1038 def : Pat<(srl GPRC:$rS, GPRC:$rB),
1039 (SRW GPRC:$rS, GPRC:$rB)>;
1040 def : Pat<(shl GPRC:$rS, GPRC:$rB),
1041 (SLW GPRC:$rS, GPRC:$rB)>;
1043 def : Pat<(i32 (zextload iaddr:$src, i1)),
1045 def : Pat<(i32 (zextload xaddr:$src, i1)),
1047 def : Pat<(i32 (extload iaddr:$src, i1)),
1049 def : Pat<(i32 (extload xaddr:$src, i1)),
1051 def : Pat<(i32 (extload iaddr:$src, i8)),
1053 def : Pat<(i32 (extload xaddr:$src, i8)),
1055 def : Pat<(i32 (extload iaddr:$src, i16)),
1057 def : Pat<(i32 (extload xaddr:$src, i16)),
1059 def : Pat<(f64 (extload iaddr:$src, f32)),
1060 (FMRSD (LFS iaddr:$src))>;
1061 def : Pat<(f64 (extload xaddr:$src, f32)),
1062 (FMRSD (LFSX xaddr:$src))>;
1065 include "PPCInstrAltivec.td"