1 //===- PowerPCInstrFormats.td - PowerPC Instruction Formats --*- 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 //===----------------------------------------------------------------------===//
11 //===----------------------------------------------------------------------===//
13 class Format<bits<5> val> {
17 def Pseudo: Format<0>;
20 def Simm16 : Format<3>;
21 def Zimm16 : Format<4>;
22 def PCRelimm24 : Format<5>;
23 def Imm24 : Format<6>;
25 def PCRelimm14 : Format<8>;
26 def Imm14 : Format<9>;
27 def Imm2 : Format<10>;
29 def Imm3 : Format<12>;
30 def Imm1 : Format<13>;
32 def Imm4 : Format<15>;
33 def Imm8 : Format<16>;
34 def Disimm16 : Format<17>;
35 def Disimm14 : Format<18>;
38 def Imm15 : Format<21>;
41 //===----------------------------------------------------------------------===//
43 // PowerPC instruction formats
45 class I<string name, bits<6> opcode, bit ppc64, bit vmx> : Instruction {
58 let Namespace = "PPC";
59 let Inst{0-5} = opcode;
63 class IForm<string name, bits<6> opcode, bit aa, bit lk, bit ppc64, bit vmx>
64 : I<name, opcode, ppc64, vmx> {
68 let Arg0Type = Imm24.Value;
80 class BForm<string name, bits<6> opcode, bit aa, bit lk, bit ppc64, bit vmx>
81 : I<name, opcode, ppc64, vmx> {
87 let Arg0Type = Imm5.Value;
88 let Arg1Type = Imm5.Value;
89 let Arg2Type = PCRelimm14.Value;
100 class BForm_ext<string name, bits<6> opcode, bit aa, bit lk, bits<5> bo,
101 bits<5> bi, bit ppc64, bit vmx>
102 : BForm<name, opcode, aa, lk, ppc64, vmx> {
104 let Arg2Type = Imm5.Value;
105 let Arg1Type = PCRelimm14.Value;
112 class DForm_base<string name, bits<6> opcode, bit ppc64, bit vmx>
113 : I<name, opcode, ppc64, vmx> {
119 let Arg0Type = Gpr.Value;
120 let Arg1Type = Gpr.Value;
121 let Arg2Type = Simm16.Value;
130 class DForm_1<string name, bits<6> opcode, bit ppc64, bit vmx>
131 : DForm_base<name, opcode, ppc64, vmx> {
132 let Arg1Type = Disimm16.Value;
133 let Arg2Type = Gpr0.Value;
136 class DForm_2<string name, bits<6> opcode, bit ppc64, bit vmx>
137 : DForm_base<name, opcode, ppc64, vmx>;
139 class DForm_2_r0<string name, bits<6> opcode, bit ppc64, bit vmx>
140 : DForm_base<name, opcode, ppc64, vmx> {
141 let Arg1Type = Gpr0.Value;
144 // Currently we make the use/def reg distinction in ISel, not tablegen
145 class DForm_3<string name, bits<6> opcode, bit ppc64, bit vmx>
146 : DForm_1<name, opcode, ppc64, vmx>;
148 class DForm_4<string name, bits<6> opcode, bit ppc64, bit vmx>
149 : DForm_base<name, opcode, ppc64, vmx> {
150 let Arg2Type = Zimm16.Value;
153 class DForm_4_zero<string name, bits<6> opcode, bit ppc64, bit vmx>
154 : DForm_1<name, opcode, ppc64, vmx> {
164 class DForm_5<string name, bits<6> opcode, bit ppc64, bit vmx>
165 : I<name, opcode, ppc64, vmx> {
172 let Arg0Type = Imm3.Value;
173 let Arg1Type = Imm1.Value;
174 let Arg2Type = Gpr.Value;
175 let Arg3Type = Simm16.Value;
181 let Inst{11-15} = RA;
185 class DForm_5_ext<string name, bits<6> opcode, bit ppc64, bit vmx>
186 : DForm_5<name, opcode, ppc64, vmx> {
189 let Arg0Type = Imm3.Value;
190 let Arg1Type = Gpr.Value;
191 let Arg2Type = Simm16.Value;
195 class DForm_6<string name, bits<6> opcode, bit ppc64, bit vmx>
196 : DForm_5<name, opcode, ppc64, vmx> {
197 let Arg3Type = Zimm16.Value;
200 class DForm_6_ext<string name, bits<6> opcode, bit ppc64, bit vmx>
201 : DForm_6<name, opcode, ppc64, vmx> {
204 let Arg0Type = Imm3.Value;
205 let Arg1Type = Gpr.Value;
206 let Arg2Type = Simm16.Value;
210 class DForm_7<string name, bits<6> opcode, bit ppc64, bit vmx>
211 : DForm_base<name, opcode, ppc64, vmx> {
212 let Arg1Type = Imm5.Value;
215 class DForm_8<string name, bits<6> opcode, bit ppc64, bit vmx>
216 : DForm_1<name, opcode, ppc64, vmx> {
217 let Arg0Type = Fpr.Value;
220 class DForm_9<string name, bits<6> opcode, bit ppc64, bit vmx>
221 : DForm_1<name, opcode, ppc64, vmx> {
222 let Arg0Type = Fpr.Value;
226 class XForm_base_r3xo<string name, bits<6> opcode, bits<10> xo, bit rc,
227 bit ppc64, bit vmx> : I<name, opcode, ppc64, vmx> {
234 let Arg0Type = Gpr.Value;
235 let Arg1Type = Gpr.Value;
236 let Arg2Type = Gpr.Value;
243 let Inst{21-30} = xo;
247 class XForm_1<string name, bits<6> opcode, bits<10> xo, bit ppc64,
248 bit vmx> : XForm_base_r3xo<name, opcode, xo, 0, ppc64, vmx>;
250 class XForm_5<string name, bits<6> opcode, bits<10> xo, bit ppc64,
251 bit vmx> : XForm_base_r3xo<name, opcode, xo, 0, ppc64, vmx> {
259 class XForm_6<string name, bits<6> opcode, bits<10> xo, bit rc, bit ppc64,
260 bit vmx> : XForm_base_r3xo<name, opcode, xo, rc, ppc64, vmx>;
262 class XForm_7<string name, bits<6> opcode, bits<10> xo, bit ppc64, bit vmx>
263 : XForm_base_r3xo<name, opcode, xo, 1, ppc64, vmx>;
265 class XForm_8<string name, bits<6> opcode, bits<10> xo, bit ppc64, bit vmx>
266 : XForm_base_r3xo<name, opcode, xo, 0, ppc64, vmx>;
268 class XForm_10<string name, bits<6> opcode, bits<10> xo, bit rc, bit ppc64,
269 bit vmx> : XForm_base_r3xo<name, opcode, xo, rc, ppc64, vmx> {
270 let Arg2Type = Imm5.Value;
273 class XForm_11<string name, bits<6> opcode, bits<10> xo, bit rc, bit ppc64,
274 bit vmx> : XForm_base_r3xo<name, opcode, xo, rc, ppc64, vmx> {
280 class XForm_16<string name, bits<6> opcode, bits<10> xo, bit ppc64, bit vmx>
281 : I<name, opcode, ppc64, vmx> {
288 let Arg0Type = Imm3.Value;
289 let Arg1Type = Imm1.Value;
290 let Arg2Type = Gpr.Value;
291 let Arg3Type = Gpr.Value;
297 let Inst{11-15} = RA;
298 let Inst{16-20} = RB;
299 let Inst{21-30} = xo;
303 class XForm_16_ext<string name, bits<6> opcode, bits<10> xo, bit ppc64, bit vmx>
304 : XForm_16<name, opcode, xo, ppc64, vmx> {
308 class XForm_17<string name, bits<6> opcode, bits<10> xo, bit ppc64, bit vmx>
309 : I<name, opcode, ppc64, vmx> {
315 let Arg0Type = Imm3.Value;
316 let Arg1Type = Fpr.Value;
317 let Arg2Type = Fpr.Value;
323 let Inst{11-15} = FRA;
324 let Inst{16-20} = FRB;
325 let Inst{21-30} = xo;
329 class XForm_25<string name, bits<6> opcode, bits<10> xo, bit ppc64,
330 bit vmx> : XForm_base_r3xo<name, opcode, xo, 0, ppc64, vmx> {
331 let Arg0Type = Fpr.Value;
332 let Arg1Type = Gpr0.Value;
335 class XForm_26<string name, bits<6> opcode, bits<10> xo, bit rc, bit ppc64,
336 bit vmx> : XForm_base_r3xo<name, opcode, xo, rc, ppc64, vmx> {
338 let Arg0Type = Fpr.Value;
339 let Arg1Type = Fpr.Value;
344 class XForm_28<string name, bits<6> opcode, bits<10> xo, bit ppc64,
345 bit vmx> : XForm_base_r3xo<name, opcode, xo, 0, ppc64, vmx> {
346 let Arg0Type = Fpr.Value;
347 let Arg1Type = Gpr0.Value;
351 class XLForm_1<string name, bits<6> opcode, bits<10> xo, bit ppc64, bit vmx>
352 : XForm_base_r3xo<name, opcode, xo, 0, ppc64, vmx> {
353 let Arg0Type = Imm5.Value;
354 let Arg1Type = Imm5.Value;
355 let Arg2Type = Imm5.Value;
358 class XLForm_2<string name, bits<6> opcode, bits<10> xo, bit lk, bit ppc64,
359 bit vmx> : I<name, opcode, ppc64, vmx> {
365 let Arg0Type = Imm5.Value;
366 let Arg1Type = Imm5.Value;
367 let Arg2Type = Imm2.Value;
372 let Inst{11-15} = BI;
374 let Inst{19-20} = BH;
375 let Inst{21-30} = xo;
379 class XLForm_2_ext<string name, bits<6> opcode, bits<10> xo, bits<5> bo,
380 bits<5> bi, bit lk, bit ppc64, bit vmx>
381 : XLForm_2<name, opcode, xo, lk, ppc64, vmx> {
392 class XFXForm_1<string name, bits<6> opcode, bits<10> xo, bit ppc64, bit vmx>
393 : I<name, opcode, ppc64, vmx> {
398 let Arg0Type = Imm5.Value;
399 let Arg1Type = Gpr.Value;
405 let Inst{11-20} = SPR;
406 let Inst{21-30} = xo;
410 class XFXForm_1_ext<string name, bits<6> opcode, bits<10> xo, bits<10> spr,
411 bit ppc64, bit vmx> : XFXForm_1<name,opcode,xo,ppc64,vmx> {
413 let Arg0Type = Gpr.Value;
418 class XFXForm_7<string name, bits<6> opcode, bits<10> xo, bit ppc64, bit vmx>
419 : XFXForm_1<name, opcode, xo, ppc64, vmx>;
421 class XFXForm_7_ext<string name, bits<6> opcode, bits<10> xo, bits<10> spr,
422 bit ppc64, bit vmx> : XFXForm_7<name,opcode,xo,ppc64,vmx> {
424 let Arg0Type = Gpr.Value;
430 class XOForm_1<string name, bits<6> opcode, bits<9> xo, bit oe, bit rc,
431 bit ppc64, bit vmx> : I<name, opcode, ppc64, vmx> {
437 let Arg0Type = Gpr.Value;
438 let Arg1Type = Gpr.Value;
439 let Arg2Type = Gpr.Value;
444 let Inst{11-15} = RA;
445 let Inst{16-20} = RB;
447 let Inst{22-30} = xo;
451 // This is a reversal of the two operands, used notably by extended ops SUB*:
452 // sub x, y, z == subf x, z, y
453 // subc x, y, z == subfc x, z, y
454 class XOForm_1_rev<string name, bits<6> opcode, bits<9> xo, bit oe, bit rc,
456 : XOForm_1<name, opcode, xo, oe, rc, ppc64, vmx> {
457 let Inst{11-15} = RB;
458 let Inst{16-20} = RA;
461 class XOForm_2<string name, bits<6> opcode, bits<9> xo, bit rc, bit ppc64,
462 bit vmx> : XOForm_1<name, opcode, xo, 0, rc, ppc64, vmx>;
464 class XOForm_3<string name, bits<6> opcode, bits<9> xo, bit oe, bit rc,
465 bit ppc64, bit vmx> : XOForm_1<name,opcode,xo,oe,rc,ppc64,vmx> {
470 class AForm_1<string name, bits<6> opcode, bits<5> xo, bit rc, bit ppc64,
471 bit vmx> : I<name, opcode, ppc64, vmx> {
478 let Arg0Type = Fpr.Value;
479 let Arg1Type = Fpr.Value;
480 let Arg2Type = Fpr.Value;
481 let Arg3Type = Fpr.Value;
484 let Inst{6-10} = FRT;
485 let Inst{11-15} = FRA;
486 let Inst{16-20} = FRB;
487 let Inst{21-25} = FRC;
488 let Inst{26-30} = xo;
492 class AForm_2<string name, bits<6> opcode, bits<5> xo, bit rc, bit ppc64,
493 bit vmx> : AForm_1<name, opcode, xo, rc, ppc64, vmx> {
499 class AForm_3<string name, bits<6> opcode, bits<5> xo, bit rc, bit ppc64,
500 bit vmx> : AForm_1<name, opcode, xo, rc, ppc64, vmx> {
506 class AForm_4<string name, bits<6> opcode, bits<5> xo, bit rc, bit ppc64,
507 bit vmx> : AForm_1<name, opcode, xo, rc, ppc64, vmx> {
516 class MForm_1<string name, bits<6> opcode, bit rc, bit ppc64, bit vmx>
517 : I<name, opcode, ppc64, vmx> {
525 let Arg0Type = Gpr.Value;
526 let Arg1Type = Gpr.Value;
527 let Arg2Type = Gpr.Value;
528 let Arg3Type = Imm5.Value;
529 let Arg4Type = Imm5.Value;
532 let Inst{11-15} = RA;
533 let Inst{16-20} = RB;
534 let Inst{21-25} = MB;
535 let Inst{26-30} = ME;
539 class MForm_2<string name, bits<6> opcode, bit rc, bit ppc64, bit vmx>
540 : MForm_1<name, opcode, rc, ppc64, vmx> {
541 let Arg2Type = Imm5.Value;
544 //===----------------------------------------------------------------------===//
546 class Pseudo<string name> : I<name, 0, 0, 0> {
552 let Arg0Type = Pseudo.Value;
553 let Arg1Type = Pseudo.Value;
554 let Arg2Type = Pseudo.Value;
555 let Arg3Type = Pseudo.Value;