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 PCRelimm24 : Format<5>;
22 def Imm24 : Format<6>;
24 def PCRelimm14 : Format<8>;
25 def Imm14 : Format<9>;
26 def Imm2 : Format<10>;
28 def Imm3 : Format<12>;
29 def Imm1 : Format<13>;
31 def Imm4 : Format<15>;
32 def Imm8 : Format<16>;
33 def Disimm16 : Format<17>;
34 def Disimm14 : Format<18>;
37 def Imm15 : Format<21>;
39 def Imm6 : Format<23>;
41 //===----------------------------------------------------------------------===//
43 // PowerPC instruction formats
45 class I<bits<6> opcode, dag OL, string asmstr> : Instruction {
48 bit PPC64 = 0; // Default value, override with isPPC64
49 bit VMX = 0; // Default value, override with isVMX
52 let Namespace = "PPC";
53 let Inst{0-5} = opcode;
55 let AsmString = asmstr;
59 class IForm<bits<6> opcode, bit aa, bit lk, dag OL, string asmstr>
60 : I<opcode, OL, asmstr> {
69 class BForm<bits<6> opcode, bit aa, bit lk, bits<5> bo, bits<2> bicode, dag OL,
71 : I<opcode, OL, asmstr> {
77 let Inst{14-15} = bicode;
84 class DForm_base<bits<6> opcode, dag OL, string asmstr, list<dag> pattern>
85 : I<opcode, OL, asmstr> {
86 let Pattern = pattern;
96 class DForm_1<bits<6> opcode, dag OL, string asmstr>
97 : I<opcode, OL, asmstr> {
107 class DForm_2<bits<6> opcode, dag OL, string asmstr, list<dag> pattern>
108 : DForm_base<opcode, OL, asmstr, pattern>;
110 class DForm_2_r0<bits<6> opcode, dag OL, string asmstr, list<dag> pattern>
111 : I<opcode, OL, asmstr> {
115 let Pattern = pattern;
122 // Currently we make the use/def reg distinction in ISel, not tablegen
123 class DForm_3<bits<6> opcode, dag OL, string asmstr>
124 : DForm_1<opcode, OL, asmstr>;
126 class DForm_4<bits<6> opcode, dag OL, string asmstr> : I<opcode, OL, asmstr> {
136 class DForm_4_zero<bits<6> opcode, dag OL, string asmstr>
137 : DForm_1<opcode, OL, asmstr> {
143 class DForm_5<bits<6> opcode, dag OL, string asmstr> : I<opcode, OL, asmstr> {
152 let Inst{11-15} = RA;
156 class DForm_5_ext<bits<6> opcode, dag OL, string asmstr>
157 : DForm_5<opcode, OL, asmstr> {
161 class DForm_6<bits<6> opcode, dag OL, string asmstr>
162 : DForm_5<opcode, OL, asmstr>;
164 class DForm_6_ext<bits<6> opcode, dag OL, string asmstr>
165 : DForm_6<opcode, OL, asmstr> {
169 class DForm_8<bits<6> opcode, dag OL, string asmstr>
170 : DForm_1<opcode, OL, asmstr> {
173 class DForm_9<bits<6> opcode, dag OL, string asmstr>
174 : DForm_1<opcode, OL, asmstr> {
178 class DSForm_1<bits<6> opcode, bits<2> xo, dag OL, string asmstr>
179 : I<opcode, OL, asmstr> {
184 let Inst{6-10} = RST;
185 let Inst{11-15} = RA;
186 let Inst{16-29} = DS;
187 let Inst{30-31} = xo;
190 class DSForm_2<bits<6> opcode, bits<2> xo, dag OL, string asmstr>
191 : DSForm_1<opcode, xo, OL, asmstr>;
194 class XForm_base_r3xo<bits<6> opcode, bits<10> xo,
195 dag OL, string asmstr> : I<opcode, OL, asmstr> {
200 bit RC = 0; // set by isDOT
202 let Inst{6-10} = RST;
205 let Inst{21-30} = xo;
209 // This is the same as XForm_base_r3xo, but the first two operands are swapped
210 // when code is emitted.
211 class XForm_base_r3xo_swapped
212 <bits<6> opcode, bits<10> xo, dag OL, string asmstr>
213 : I<opcode, OL, asmstr> {
218 bit RC = 0; // set by isDOT
220 let Inst{6-10} = RST;
223 let Inst{21-30} = xo;
228 class XForm_1<bits<6> opcode, bits<10> xo, dag OL, string asmstr>
229 : XForm_base_r3xo<opcode, xo, OL, asmstr>;
231 class XForm_6<bits<6> opcode, bits<10> xo, dag OL, string asmstr,
233 : XForm_base_r3xo_swapped<opcode, xo, OL, asmstr> {
234 let Pattern = pattern;
237 class XForm_8<bits<6> opcode, bits<10> xo, dag OL, string asmstr>
238 : XForm_base_r3xo<opcode, xo, OL, asmstr>;
240 class XForm_10<bits<6> opcode, bits<10> xo, dag OL, string asmstr>
241 : XForm_base_r3xo_swapped<opcode, xo, OL, asmstr> {
244 class XForm_11<bits<6> opcode, bits<10> xo, dag OL, string asmstr,
246 : XForm_base_r3xo_swapped<opcode, xo, OL, asmstr> {
248 let Pattern = pattern;
251 class XForm_16<bits<6> opcode, bits<10> xo, dag OL, string asmstr>
252 : I<opcode, OL, asmstr> {
261 let Inst{11-15} = RA;
262 let Inst{16-20} = RB;
263 let Inst{21-30} = xo;
267 class XForm_16_ext<bits<6> opcode, bits<10> xo, dag OL, string asmstr>
268 : XForm_16<opcode, xo, OL, asmstr> {
272 class XForm_17<bits<6> opcode, bits<10> xo, dag OL, string asmstr>
273 : I<opcode, OL, asmstr> {
280 let Inst{11-15} = FRA;
281 let Inst{16-20} = FRB;
282 let Inst{21-30} = xo;
286 class XForm_25<bits<6> opcode, bits<10> xo, dag OL, string asmstr>
287 : XForm_base_r3xo<opcode, xo, OL, asmstr> {
290 class XForm_26<bits<6> opcode, bits<10> xo, dag OL, string asmstr>
291 : XForm_base_r3xo<opcode, xo, OL, asmstr> {
295 class XForm_28<bits<6> opcode, bits<10> xo, dag OL, string asmstr>
296 : XForm_base_r3xo<opcode, xo, OL, asmstr> {
300 class XLForm_1<bits<6> opcode, bits<10> xo, dag OL, string asmstr>
301 : I<opcode, OL, asmstr> {
310 let Inst{9-10} = CRDb;
311 let Inst{11-13} = CRA;
312 let Inst{14-15} = CRAb;
313 let Inst{16-18} = CRB;
314 let Inst{19-20} = CRBb;
315 let Inst{21-30} = xo;
319 class XLForm_2<bits<6> opcode, bits<10> xo, bit lk,
320 dag OL, string asmstr> : I<opcode, OL, asmstr> {
326 let Inst{11-15} = BI;
328 let Inst{19-20} = BH;
329 let Inst{21-30} = xo;
333 class XLForm_2_ext<bits<6> opcode, bits<10> xo, bits<5> bo,
334 bits<5> bi, bit lk, dag OL, string asmstr>
335 : XLForm_2<opcode, xo, lk, OL, asmstr> {
341 class XLForm_3<bits<6> opcode, bits<10> xo, dag OL, string asmstr>
342 : I<opcode, OL, asmstr> {
348 let Inst{11-13} = BFA;
351 let Inst{21-30} = xo;
356 class XFXForm_1<bits<6> opcode, bits<10> xo, dag OL, string asmstr>
357 : I<opcode, OL, asmstr> {
362 let Inst{11-20} = SPR;
363 let Inst{21-30} = xo;
367 class XFXForm_1_ext<bits<6> opcode, bits<10> xo, bits<10> spr,
368 dag OL, string asmstr>
369 : XFXForm_1<opcode, xo, OL, asmstr> {
373 class XFXForm_3<bits<6> opcode, bits<10> xo, dag OL, string asmstr>
374 : I<opcode, OL, asmstr> {
379 let Inst{21-30} = xo;
383 class XFXForm_5<bits<6> opcode, bits<10> xo, dag OL, string asmstr>
384 : I<opcode, OL, asmstr> {
390 let Inst{12-19} = FXM;
392 let Inst{21-30} = xo;
396 class XFXForm_5a<bits<6> opcode, bits<10> xo, dag OL, string asmstr>
397 : I<opcode, OL, asmstr> {
403 let Inst{12-19} = FXM;
405 let Inst{21-30} = xo;
410 class XFXForm_7<bits<6> opcode, bits<10> xo, dag OL, string asmstr>
411 : XFXForm_1<opcode, xo, OL, asmstr>;
413 class XFXForm_7_ext<bits<6> opcode, bits<10> xo, bits<10> spr,
414 dag OL, string asmstr>
415 : XFXForm_7<opcode, xo, OL, asmstr> {
420 class XSForm_1<bits<6> opcode, bits<9> xo, dag OL, string asmstr>
421 : I<opcode, OL, asmstr> {
426 bit RC = 0; // set by isDOT
430 let Inst{16-20} = SH{1-5};
431 let Inst{21-29} = xo;
432 let Inst{30} = SH{0};
437 class XOForm_1<bits<6> opcode, bits<9> xo, bit oe, dag OL, string asmstr,
439 : I<opcode, OL, asmstr> {
444 let Pattern = pattern;
446 bit RC = 0; // set by isDOT
449 let Inst{11-15} = RA;
450 let Inst{16-20} = RB;
452 let Inst{22-30} = xo;
456 class XOForm_3<bits<6> opcode, bits<9> xo, bit oe,
457 dag OL, string asmstr, list<dag> pattern>
458 : XOForm_1<opcode, xo, oe, OL, asmstr, pattern> {
463 class AForm_1<bits<6> opcode, bits<5> xo, dag OL, string asmstr>
464 : I<opcode, OL, asmstr> {
470 bit RC = 0; // set by isDOT
472 let Inst{6-10} = FRT;
473 let Inst{11-15} = FRA;
474 let Inst{16-20} = FRB;
475 let Inst{21-25} = FRC;
476 let Inst{26-30} = xo;
480 class AForm_2<bits<6> opcode, bits<5> xo, dag OL, string asmstr>
481 : AForm_1<opcode, xo, OL, asmstr> {
485 class AForm_3<bits<6> opcode, bits<5> xo, dag OL, string asmstr>
486 : AForm_1<opcode, xo, OL, asmstr> {
491 class MForm_1<bits<6> opcode, dag OL, string asmstr> : I<opcode, OL, asmstr> {
498 bit RC = 0; // set by isDOT
501 let Inst{11-15} = RA;
502 let Inst{16-20} = RB;
503 let Inst{21-25} = MB;
504 let Inst{26-30} = ME;
508 class MForm_2<bits<6> opcode, dag OL, string asmstr>
509 : MForm_1<opcode, OL, asmstr> {
513 class MDForm_1<bits<6> opcode, bits<3> xo, dag OL, string asmstr>
514 : I<opcode, OL, asmstr> {
520 bit RC = 0; // set by isDOT
523 let Inst{11-15} = RA;
524 let Inst{16-20} = SH{1-5};
525 let Inst{21-26} = MBE;
526 let Inst{27-29} = xo;
527 let Inst{30} = SH{0};
531 //===----------------------------------------------------------------------===//
533 class Pseudo<dag OL, string asmstr> : I<0, OL, asmstr> {