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 //===----------------------------------------------------------------------===//
15 // PowerPC instruction formats
17 class I<bits<6> opcode, dag OL, string asmstr> : Instruction {
20 bit PPC64 = 0; // Default value, override with isPPC64
21 bit VMX = 0; // Default value, override with isVMX
24 let Namespace = "PPC";
25 let Inst{0-5} = opcode;
27 let AsmString = asmstr;
31 class IForm<bits<6> opcode, bit aa, bit lk, dag OL, string asmstr>
32 : I<opcode, OL, asmstr> {
41 class BForm<bits<6> opcode, bit aa, bit lk, bits<5> bo, bits<2> bicode, dag OL,
43 : I<opcode, OL, asmstr> {
49 let Inst{14-15} = bicode;
56 class DForm_base<bits<6> opcode, dag OL, string asmstr, list<dag> pattern>
57 : I<opcode, OL, asmstr> {
58 let Pattern = pattern;
68 class DForm_1<bits<6> opcode, dag OL, string asmstr>
69 : I<opcode, OL, asmstr> {
79 class DForm_2<bits<6> opcode, dag OL, string asmstr, list<dag> pattern>
80 : DForm_base<opcode, OL, asmstr, pattern>;
82 class DForm_2_r0<bits<6> opcode, dag OL, string asmstr, list<dag> pattern>
83 : I<opcode, OL, asmstr> {
87 let Pattern = pattern;
94 // Currently we make the use/def reg distinction in ISel, not tablegen
95 class DForm_3<bits<6> opcode, dag OL, string asmstr>
96 : DForm_1<opcode, OL, asmstr>;
98 class DForm_4<bits<6> opcode, dag OL, string asmstr, list<dag> pattern>
99 : I<opcode, OL, asmstr> {
104 let Pattern = pattern;
111 class DForm_4_zero<bits<6> opcode, dag OL, string asmstr>
112 : DForm_1<opcode, OL, asmstr> {
118 class DForm_5<bits<6> opcode, dag OL, string asmstr> : I<opcode, OL, asmstr> {
127 let Inst{11-15} = RA;
131 class DForm_5_ext<bits<6> opcode, dag OL, string asmstr>
132 : DForm_5<opcode, OL, asmstr> {
136 class DForm_6<bits<6> opcode, dag OL, string asmstr>
137 : DForm_5<opcode, OL, asmstr>;
139 class DForm_6_ext<bits<6> opcode, dag OL, string asmstr>
140 : DForm_6<opcode, OL, asmstr> {
144 class DForm_8<bits<6> opcode, dag OL, string asmstr>
145 : DForm_1<opcode, OL, asmstr> {
148 class DForm_9<bits<6> opcode, dag OL, string asmstr>
149 : DForm_1<opcode, OL, asmstr> {
153 class DSForm_1<bits<6> opcode, bits<2> xo, dag OL, string asmstr>
154 : I<opcode, OL, asmstr> {
159 let Inst{6-10} = RST;
160 let Inst{11-15} = RA;
161 let Inst{16-29} = DS;
162 let Inst{30-31} = xo;
165 class DSForm_2<bits<6> opcode, bits<2> xo, dag OL, string asmstr>
166 : DSForm_1<opcode, xo, OL, asmstr>;
169 class XForm_base_r3xo<bits<6> opcode, bits<10> xo,
170 dag OL, string asmstr> : I<opcode, OL, asmstr> {
175 bit RC = 0; // set by isDOT
177 let Inst{6-10} = RST;
180 let Inst{21-30} = xo;
184 // This is the same as XForm_base_r3xo, but the first two operands are swapped
185 // when code is emitted.
186 class XForm_base_r3xo_swapped
187 <bits<6> opcode, bits<10> xo, dag OL, string asmstr>
188 : I<opcode, OL, asmstr> {
193 bit RC = 0; // set by isDOT
195 let Inst{6-10} = RST;
198 let Inst{21-30} = xo;
203 class XForm_1<bits<6> opcode, bits<10> xo, dag OL, string asmstr>
204 : XForm_base_r3xo<opcode, xo, OL, asmstr>;
206 class XForm_6<bits<6> opcode, bits<10> xo, dag OL, string asmstr,
208 : XForm_base_r3xo_swapped<opcode, xo, OL, asmstr> {
209 let Pattern = pattern;
212 class XForm_8<bits<6> opcode, bits<10> xo, dag OL, string asmstr>
213 : XForm_base_r3xo<opcode, xo, OL, asmstr>;
215 class XForm_10<bits<6> opcode, bits<10> xo, dag OL, string asmstr, list<dag> pt>
216 : XForm_base_r3xo_swapped<opcode, xo, OL, asmstr> {
220 class XForm_11<bits<6> opcode, bits<10> xo, dag OL, string asmstr,
222 : XForm_base_r3xo_swapped<opcode, xo, OL, asmstr> {
224 let Pattern = pattern;
227 class XForm_16<bits<6> opcode, bits<10> xo, dag OL, string asmstr>
228 : I<opcode, OL, asmstr> {
237 let Inst{11-15} = RA;
238 let Inst{16-20} = RB;
239 let Inst{21-30} = xo;
243 class XForm_16_ext<bits<6> opcode, bits<10> xo, dag OL, string asmstr>
244 : XForm_16<opcode, xo, OL, asmstr> {
248 class XForm_17<bits<6> opcode, bits<10> xo, dag OL, string asmstr>
249 : I<opcode, OL, asmstr> {
256 let Inst{11-15} = FRA;
257 let Inst{16-20} = FRB;
258 let Inst{21-30} = xo;
262 class XForm_25<bits<6> opcode, bits<10> xo, dag OL, string asmstr>
263 : XForm_base_r3xo<opcode, xo, OL, asmstr> {
266 class XForm_26<bits<6> opcode, bits<10> xo, dag OL, string asmstr, list<dag> pt>
267 : XForm_base_r3xo<opcode, xo, OL, asmstr> {
272 class XForm_28<bits<6> opcode, bits<10> xo, dag OL, string asmstr>
273 : XForm_base_r3xo<opcode, xo, OL, asmstr> {
277 class XLForm_1<bits<6> opcode, bits<10> xo, dag OL, string asmstr>
278 : I<opcode, OL, asmstr> {
287 let Inst{9-10} = CRDb;
288 let Inst{11-13} = CRA;
289 let Inst{14-15} = CRAb;
290 let Inst{16-18} = CRB;
291 let Inst{19-20} = CRBb;
292 let Inst{21-30} = xo;
296 class XLForm_2<bits<6> opcode, bits<10> xo, bit lk,
297 dag OL, string asmstr> : I<opcode, OL, asmstr> {
303 let Inst{11-15} = BI;
305 let Inst{19-20} = BH;
306 let Inst{21-30} = xo;
310 class XLForm_2_ext<bits<6> opcode, bits<10> xo, bits<5> bo,
311 bits<5> bi, bit lk, dag OL, string asmstr>
312 : XLForm_2<opcode, xo, lk, OL, asmstr> {
318 class XLForm_3<bits<6> opcode, bits<10> xo, dag OL, string asmstr>
319 : I<opcode, OL, asmstr> {
325 let Inst{11-13} = BFA;
328 let Inst{21-30} = xo;
333 class XFXForm_1<bits<6> opcode, bits<10> xo, dag OL, string asmstr>
334 : I<opcode, OL, asmstr> {
339 let Inst{11-20} = SPR;
340 let Inst{21-30} = xo;
344 class XFXForm_1_ext<bits<6> opcode, bits<10> xo, bits<10> spr,
345 dag OL, string asmstr>
346 : XFXForm_1<opcode, xo, OL, asmstr> {
350 class XFXForm_3<bits<6> opcode, bits<10> xo, dag OL, string asmstr>
351 : I<opcode, OL, asmstr> {
356 let Inst{21-30} = xo;
360 class XFXForm_5<bits<6> opcode, bits<10> xo, dag OL, string asmstr>
361 : I<opcode, OL, asmstr> {
367 let Inst{12-19} = FXM;
369 let Inst{21-30} = xo;
373 class XFXForm_5a<bits<6> opcode, bits<10> xo, dag OL, string asmstr>
374 : I<opcode, OL, asmstr> {
380 let Inst{12-19} = FXM;
382 let Inst{21-30} = xo;
387 class XFXForm_7<bits<6> opcode, bits<10> xo, dag OL, string asmstr>
388 : XFXForm_1<opcode, xo, OL, asmstr>;
390 class XFXForm_7_ext<bits<6> opcode, bits<10> xo, bits<10> spr,
391 dag OL, string asmstr>
392 : XFXForm_7<opcode, xo, OL, asmstr> {
397 class XSForm_1<bits<6> opcode, bits<9> xo, dag OL, string asmstr>
398 : I<opcode, OL, asmstr> {
403 bit RC = 0; // set by isDOT
407 let Inst{16-20} = SH{1-5};
408 let Inst{21-29} = xo;
409 let Inst{30} = SH{0};
414 class XOForm_1<bits<6> opcode, bits<9> xo, bit oe, dag OL, string asmstr,
416 : I<opcode, OL, asmstr> {
421 let Pattern = pattern;
423 bit RC = 0; // set by isDOT
426 let Inst{11-15} = RA;
427 let Inst{16-20} = RB;
429 let Inst{22-30} = xo;
433 class XOForm_3<bits<6> opcode, bits<9> xo, bit oe,
434 dag OL, string asmstr, list<dag> pattern>
435 : XOForm_1<opcode, xo, oe, OL, asmstr, pattern> {
440 class AForm_1<bits<6> opcode, bits<5> xo, dag OL, string asmstr,
442 : I<opcode, OL, asmstr> {
448 let Pattern = pattern;
450 bit RC = 0; // set by isDOT
452 let Inst{6-10} = FRT;
453 let Inst{11-15} = FRA;
454 let Inst{16-20} = FRB;
455 let Inst{21-25} = FRC;
456 let Inst{26-30} = xo;
460 class AForm_2<bits<6> opcode, bits<5> xo, dag OL, string asmstr, list<dag> pat>
461 : AForm_1<opcode, xo, OL, asmstr, pat> {
465 class AForm_3<bits<6> opcode, bits<5> xo, dag OL, string asmstr, list<dag> pat>
466 : AForm_1<opcode, xo, OL, asmstr, pat> {
471 class MForm_1<bits<6> opcode, dag OL, string asmstr> : I<opcode, OL, asmstr> {
478 bit RC = 0; // set by isDOT
481 let Inst{11-15} = RA;
482 let Inst{16-20} = RB;
483 let Inst{21-25} = MB;
484 let Inst{26-30} = ME;
488 class MForm_2<bits<6> opcode, dag OL, string asmstr>
489 : MForm_1<opcode, OL, asmstr> {
493 class MDForm_1<bits<6> opcode, bits<3> xo, dag OL, string asmstr>
494 : I<opcode, OL, asmstr> {
500 bit RC = 0; // set by isDOT
503 let Inst{11-15} = RA;
504 let Inst{16-20} = SH{1-5};
505 let Inst{21-26} = MBE;
506 let Inst{27-29} = xo;
507 let Inst{30} = SH{0};
511 //===----------------------------------------------------------------------===//
513 class Pseudo<dag OL, string asmstr> : I<0, OL, asmstr> {