1 # x86-class cpu description file
2 # this file is read by genmdesc to pruduce a table with all the relevant information
3 # about the cpu instructions that may be used by the regsiter allocator, the scheduler
4 # and other parts of the arch-dependent part of mini.
6 # An opcode name is followed by a colon and optional specifiers.
7 # A specifier has a name, a colon and a value. Specifiers are separated by white space.
8 # Here is a description of the specifiers valid for this file and their possible values.
10 # dest:register describes the destination register of an instruction
11 # src1:register describes the first source register of an instruction
12 # src2:register describes the second source register of an instruction
15 # b base register (used in address references)
16 # f floating point register
19 # l long reg (forced eax:edx)
21 # c register which can be used as a byte register (RAX..RDX)
23 # len:number describe the maximun length in bytes of the instruction
24 # number is a positive integer. If the length is not specified
25 # it defaults to zero. But lengths are only checked if the given opcode
26 # is encountered during compilation. Some opcodes, like CONV_U4 are
27 # transformed into other opcodes in the brg files, so they do not show up
28 # during code generation.
30 # cost:number describe how many cycles are needed to complete the instruction (unused)
32 # clob:spec describe if the instruction clobbers registers or has special needs
34 # c clobbers caller-save registers
35 # 1 clobbers the first source register
38 # x both the source operands are clobbered (xchg)
41 # flags:spec describe if the instruction uses or sets the flags (unused)
45 # m uses and modifies the flags
47 # res:spec describe what units are used in the processor (unused)
49 # delay: describe delay slots (unused)
51 # the required specifiers are: len, clob (if registers are clobbered), the registers
52 # specifiers if the registers are actually used, flags (when scheduling is implemented).
54 # See the code in mini-x86.c for more details on how the specifiers are used.
58 tailcall: len:120 clob:c
62 long_add: dest:i src1:i src2:i len:3 clob:1
63 long_sub: dest:i src1:i src2:i len:3 clob:1
64 long_mul: dest:i src1:i src2:i len:4 clob:1
65 long_div: dest:a src1:a src2:i len:16 clob:d
66 long_div_un: dest:a src1:a src2:i len:16 clob:d
67 long_rem: dest:d src1:a src2:i len:16 clob:a
68 long_rem_un: dest:d src1:a src2:i len:16 clob:a
69 long_and: dest:i src1:i src2:i len:3 clob:1
70 long_or: dest:i src1:i src2:i len:3 clob:1
71 long_xor: dest:i src1:i src2:i len:3 clob:1
72 long_shl: dest:i src1:i src2:s clob:1 len:3
73 long_shr: dest:i src1:i src2:s clob:1 len:3
74 long_shr_un: dest:i src1:i src2:s clob:1 len:3
75 long_neg: dest:i src1:i len:3 clob:1
76 long_not: dest:i src1:i len:3 clob:1
77 long_conv_to_i1: dest:i src1:i len:4
78 long_conv_to_i2: dest:i src1:i len:4
79 long_conv_to_i4: dest:i src1:i len:3
80 long_conv_to_i8: dest:i src1:i len:3
81 long_conv_to_r4: dest:f src1:i len:9
82 long_conv_to_r8: dest:f src1:i len:9
83 long_conv_to_u4: dest:i src1:i len:3
84 long_conv_to_u8: dest:i src1:i len:3
85 long_conv_to_r_un: dest:f src1:i len:64
86 long_conv_to_ovf_i4_un: dest:i src1:i len:16
87 long_conv_to_ovf_u4: dest:i src1:i len:15
88 long_conv_to_u2: dest:i src1:i len:4
89 long_conv_to_u1: dest:i src1:i len:4
90 zext_i4: dest:i src1:i len:4
92 long_mul_imm: dest:i src1:i clob:1 len:12
93 long_min: dest:i src1:i src2:i len:16 clob:1
94 long_min_un: dest:i src1:i src2:i len:16 clob:1
95 long_max: dest:i src1:i src2:i len:16 clob:1
96 long_max_un: dest:i src1:i src2:i len:16 clob:1
99 rethrow: src1:i len:18
102 endfilter: src1:a len:9
103 ckfinite: dest:f src1:f len:43
109 localloc: dest:i src1:i len:84
110 compare: src1:i src2:i len:3
111 lcompare: src1:i src2:i len:3
112 icompare: src1:i src2:i len:3
113 compare_imm: src1:i len:13
114 icompare_imm: src1:i len:8
115 fcompare: src1:f src2:f clob:a len:13
116 oparglist: src1:b len:11
118 setret: dest:a src1:i len:3
119 setlret: dest:i src1:i src2:i len:5
120 checkthis: src1:b len:5
121 call: dest:a clob:c len:32
122 voidcall: clob:c len:32
123 voidcall_reg: src1:i clob:c len:32
124 voidcall_membase: src1:b clob:c len:32
125 fcall: dest:f len:64 clob:c
126 fcall_reg: dest:f src1:i len:64 clob:c
127 fcall_membase: dest:f src1:b len:64 clob:c
128 lcall: dest:a len:64 clob:c
129 lcall_reg: dest:a src1:i len:64 clob:c
130 lcall_membase: dest:a src1:b len:64 clob:c
132 vcall_reg: src1:i len:64 clob:c
133 vcall_membase: src1:b len:64 clob:c
134 call_reg: dest:a src1:i len:32 clob:c
135 call_membase: dest:a src1:b len:32 clob:c
136 iconst: dest:i len:10
137 i8const: dest:i len:10
138 r4const: dest:f len:14
139 r8const: dest:f len:9
140 store_membase_imm: dest:b len:15
141 store_membase_reg: dest:b src1:i len:9
142 storei8_membase_reg: dest:b src1:i len:9
143 storei1_membase_imm: dest:b len:11
144 storei1_membase_reg: dest:b src1:c len:9
145 storei2_membase_imm: dest:b len:13
146 storei2_membase_reg: dest:b src1:i len:9
147 storei4_membase_imm: dest:b len:13
148 storei4_membase_reg: dest:b src1:i len:9
149 storei8_membase_imm: dest:b len:18
150 storer4_membase_reg: dest:b src1:f len:15
151 storer8_membase_reg: dest:b src1:f len:10
152 load_membase: dest:i src1:b len:8
153 loadi1_membase: dest:c src1:b len:9
154 loadu1_membase: dest:c src1:b len:9
155 loadi2_membase: dest:i src1:b len:9
156 loadu2_membase: dest:i src1:b len:9
157 loadi4_membase: dest:i src1:b len:9
158 loadu4_membase: dest:i src1:b len:9
159 loadi8_membase: dest:i src1:b len:18
160 loadr4_membase: dest:f src1:b len:16
161 loadr8_membase: dest:f src1:b len:16
162 loadr8_spill_membase: src1:b len:9
163 loadu4_mem: dest:i len:10
164 amd64_loadi8_memindex: dest:i src1:i src2:i len:10
165 move: dest:i src1:i len:3
166 add_imm: dest:i src1:i len:8 clob:1
167 sub_imm: dest:i src1:i len:8 clob:1
168 mul_imm: dest:i src1:i len:11
169 # there is no actual support for division or reminder by immediate
170 # we simulate them, though (but we need to change the burg rules
171 # to allocate a symbolic reg for src2)
172 div_imm: dest:a src1:i src2:i len:16 clob:d
173 div_un_imm: dest:a src1:i src2:i len:16 clob:d
174 rem_imm: dest:d src1:i src2:i len:16 clob:a
175 rem_un_imm: dest:d src1:i src2:i len:16 clob:a
176 and_imm: dest:i src1:i len:8 clob:1
177 or_imm: dest:i src1:i len:8 clob:1
178 xor_imm: dest:i src1:i len:8 clob:1
179 shl_imm: dest:i src1:i len:8 clob:1
180 shr_imm: dest:i src1:i len:8 clob:1
181 shr_un_imm: dest:i src1:i len:8 clob:1
183 cond_exc_ne_un: len:8
185 cond_exc_lt_un: len:8
187 cond_exc_gt_un: len:8
189 cond_exc_ge_un: len:8
191 cond_exc_le_un: len:8
199 long_conv_to_ovf_i: dest:i src1:i src2:i len:40
200 long_mul_ovf: dest:i src1:i src2:i clob:1 len:16
201 long_mul_ovf_un: dest:i src1:i src2:i len:22
202 long_shr_imm: dest:i src1:i clob:1 len:11
203 long_shr_un_imm: dest:i src1:i clob:1 len:11
204 long_shl_imm: dest:i src1:i clob:1 len:11
227 float_add: dest:f src1:f src2:f clob:1 len:5
228 float_sub: dest:f src1:f src2:f clob:1 len:5
229 float_mul: dest:f src1:f src2:f clob:1 len:5
230 float_div: dest:f src1:f src2:f clob:1 len:5
231 float_div_un: dest:f src1:f src2:f clob:1 len:5
232 float_rem: dest:f src1:f src2:f clob:1 len:19
233 float_rem_un: dest:f src1:f src2:f clob:1 len:19
234 float_neg: dest:f src1:f clob:1 len:23
235 float_not: dest:f src1:f clob:1 len:3
236 float_conv_to_i1: dest:i src1:f len:49
237 float_conv_to_i2: dest:i src1:f len:49
238 float_conv_to_i4: dest:i src1:f len:49
239 float_conv_to_i8: dest:i src1:f len:49
240 float_conv_to_u4: dest:i src1:f len:49
241 float_conv_to_u8: dest:i src1:f len:49
242 float_conv_to_u2: dest:i src1:f len:49
243 float_conv_to_u1: dest:i src1:f len:49
244 float_conv_to_i: dest:i src1:f len:49
245 float_conv_to_ovf_i: dest:a src1:f len:40
246 float_conv_to_ovd_u: dest:a src1:f len:40
248 float_ceq: dest:i src1:f src2:f len:35
249 float_cgt: dest:i src1:f src2:f len:35
250 float_cgt_un: dest:i src1:f src2:f len:48
251 float_clt: dest:i src1:f src2:f len:35
252 float_clt_un: dest:i src1:f src2:f len:42
253 float_ceq_membase: dest:i src1:f src2:b len:35
254 float_cgt_membase: dest:i src1:f src2:b len:35
255 float_cgt_un_membase: dest:i src1:f src2:b len:48
256 float_clt_membase: dest:i src1:f src2:b len:35
257 float_clt_un_membase: dest:i src1:f src2:b len:42
258 float_conv_to_u: dest:i src1:f len:46
259 fmove: dest:f src1:f len:8
261 aot_const: dest:i len:10
262 x86_test_null: src1:i len:5
263 x86_compare_membase_reg: src1:b src2:i len:9
264 x86_compare_membase_imm: src1:b len:13
265 x86_compare_reg_membase: src1:i src2:b len:8
266 x86_inc_reg: dest:i src1:i clob:1 len:3
267 x86_inc_membase: src1:b len:8
268 x86_dec_reg: dest:i src1:i clob:1 len:3
269 x86_dec_membase: src1:b len:8
270 x86_add_membase_imm: src1:b len:13
271 x86_sub_membase_imm: src1:b len:13
272 x86_push: src1:i len:3
274 x86_push_membase: src1:b len:8
275 x86_push_obj: src1:b len:40
276 x86_lea: dest:i src1:i src2:i len:8
277 x86_lea_membase: dest:i src1:i len:11
278 x86_xchg: src1:i src2:i clob:x len:2
279 x86_fpop: src1:f len:3
280 x86_seteq_membase: src1:b len:9
282 x86_add_reg_membase: dest:i src1:i src2:b clob:1 len:13
283 x86_sub_reg_membase: dest:i src1:i src2:b clob:1 len:13
284 x86_mul_reg_membase: dest:i src1:i src2:b clob:1 len:13
285 x86_and_reg_membase: dest:i src1:i src2:b clob:1 len:13
286 x86_or_reg_membase: dest:i src1:i src2:b clob:1 len:13
287 x86_xor_reg_membase: dest:i src1:i src2:b clob:1 len:13
289 amd64_test_null: src1:i len:5
290 amd64_icompare_membase_reg: src1:b src2:i len:8
291 amd64_icompare_membase_imm: src1:b len:13
292 amd64_icompare_reg_membase: src1:i src2:b len:8
293 amd64_set_xmmreg_r4: dest:f src1:f len:14 clob:m
294 amd64_set_xmmreg_r8: dest:f src1:f len:14 clob:m
295 amd64_save_sp_to_lmf: len:16
296 tls_get: dest:i len:16
297 atomic_add_i4: src1:b src2:i dest:i len:32
298 atomic_add_new_i4: src1:b src2:i dest:i len:32
299 atomic_exchange_i4: src1:b src2:i dest:a len:32
300 atomic_add_i8: src1:b src2:i dest:i len:32
301 atomic_add_new_i8: src1:b src2:i dest:i len:32
302 atomic_exchange_i8: src1:b src2:i dest:a len:32
303 atomic_cas_imm_i4: src1:b src2:i dest:a len:32
304 atomic_cas_imm_i8: src1:b src2:i dest:a len:32
305 memory_barrier: len:16
306 adc: dest:i src1:i src2:i len:3 clob:1
307 addcc: dest:i src1:i src2:i len:3 clob:1
308 subcc: dest:i src1:i src2:i len:3 clob:1
309 adc_imm: dest:i src1:i len:8 clob:1
310 sbb: dest:i src1:i src2:i len:3 clob:1
311 sbb_imm: dest:i src1:i len:8 clob:1
313 sin: dest:f src1:f len:32
314 cos: dest:f src1:f len:32
315 abs: dest:f src1:f clob:1 len:32
316 tan: dest:f src1:f len:59
317 atan: dest:f src1:f len:9
318 sqrt: dest:f src1:f len:32
319 bigmul: len:3 dest:i src1:a src2:i
320 bigmul_un: len:3 dest:i src1:a src2:i
321 sext_i1: dest:i src1:i len:4
322 sext_i2: dest:i src1:i len:4
323 sext_i4: dest:i src1:i len:8
326 int_add: dest:i src1:i src2:i clob:1 len:4
327 int_sub: dest:i src1:i src2:i clob:1 len:4
328 int_mul: dest:i src1:i src2:i clob:1 len:4
329 int_mul_ovf: dest:i src1:i src2:i clob:1 len:32
330 int_mul_ovf_un: dest:i src1:i src2:i clob:1 len:32
331 int_div: dest:a src1:a src2:i clob:d len:32
332 int_div_un: dest:a src1:a src2:i clob:d len:32
333 int_rem: dest:d src1:a src2:i clob:a len:32
334 int_rem_un: dest:d src1:a src2:i clob:a len:32
335 int_and: dest:i src1:i src2:i clob:1 len:4
336 int_or: dest:i src1:i src2:i clob:1 len:4
337 int_xor: dest:i src1:i src2:i clob:1 len:4
338 int_shl: dest:i src1:i src2:s clob:1 len:4
339 int_shr: dest:i src1:i src2:s clob:1 len:4
340 int_shr_un: dest:i src1:i src2:s clob:1 len:4
341 int_adc: dest:i src1:i src2:i clob:1 len:4
342 int_adc_imm: dest:i src1:i clob:1 len:8
343 int_sbb: dest:i src1:i src2:i clob:1 len:4
344 int_sbb_imm: dest:i src1:i clob:1 len:8
345 int_addcc: dest:i src1:i src2:i clob:1 len:16
346 int_subcc: dest:i src1:i src2:i clob:1 len:16
347 int_add_imm: dest:i src1:i clob:1 len:8
348 int_sub_imm: dest:i src1:i clob:1 len:8
349 int_mul_imm: dest:i src1:i clob:1 len:32
350 int_div_imm: dest:a src1:i clob:d len:32
351 int_div_un_imm: dest:a src1:i clob:d len:32
352 int_rem_imm: dest:a src1:a len:32 clob:d
353 int_rem_un_imm: dest:d src1:i clob:a len:32
354 int_and_imm: dest:i src1:i clob:1 len:8
355 int_or_imm: dest:i src1:i clob:1 len:8
356 int_xor_imm: dest:i src1:i clob:1 len:8
357 int_shl_imm: dest:i src1:i clob:1 len:8
358 int_shr_imm: dest:i src1:i clob:1 len:8
359 int_shr_un_imm: dest:i src1:i clob:1 len:8
360 int_min: dest:i src1:i src2:i len:16 clob:1
361 int_max: dest:i src1:i src2:i len:16 clob:1
362 int_min_un: dest:i src1:i src2:i len:16 clob:1
363 int_max_un: dest:i src1:i src2:i len:16 clob:1
365 int_neg: dest:i src1:i clob:1 len:4
366 int_not: dest:i src1:i clob:1 len:4
367 int_conv_to_r4: dest:f src1:i len:9
368 int_conv_to_r8: dest:f src1:i len:9
369 int_ceq: dest:c len:8
370 int_cgt: dest:c len:8
371 int_cgt_un: dest:c len:8
372 int_clt: dest:c len:8
373 int_clt_un: dest:c len:8
393 not_null: src1:i len:0
395 long_ceq: dest:c len:64
396 long_cgt: dest:c len:64
397 long_cgt_un: dest:c len:64
398 long_clt: dest:c len:64
399 long_clt_un: dest:c len:64
401 int_conv_to_i1: dest:i src1:i len:4
402 int_conv_to_i2: dest:i src1:i len:4
403 int_conv_to_i4: dest:i src1:i len:3
404 int_conv_to_i8: dest:i src1:i len:3
405 int_conv_to_u4: dest:i src1:i len:3
406 int_conv_to_u8: dest:i src1:i len:3
408 int_conv_to_u: dest:i src1:i len:4
409 int_conv_to_u2: dest:i src1:i len:4
410 int_conv_to_u1: dest:i src1:i len:4
411 int_conv_to_i: dest:i src1:i len:4
414 cond_exc_ine_un: len:8
416 cond_exc_ilt_un: len:8
418 cond_exc_igt_un: len:8
420 cond_exc_ige_un: len:8
422 cond_exc_ile_un: len:8
426 x86_compare_membase8_imm: src1:b len:9
428 jump_table: dest:i len:18
430 cmov_ieq: dest:i src1:i src2:i len:16 clob:1
431 cmov_ige: dest:i src1:i src2:i len:16 clob:1
432 cmov_igt: dest:i src1:i src2:i len:16 clob:1
433 cmov_ile: dest:i src1:i src2:i len:16 clob:1
434 cmov_ilt: dest:i src1:i src2:i len:16 clob:1
435 cmov_ine_un: dest:i src1:i src2:i len:16 clob:1
436 cmov_ige_un: dest:i src1:i src2:i len:16 clob:1
437 cmov_igt_un: dest:i src1:i src2:i len:16 clob:1
438 cmov_ile_un: dest:i src1:i src2:i len:16 clob:1
439 cmov_ilt_un: dest:i src1:i src2:i len:16 clob:1
441 cmov_leq: dest:i src1:i src2:i len:16 clob:1
442 cmov_lge: dest:i src1:i src2:i len:16 clob:1
443 cmov_lgt: dest:i src1:i src2:i len:16 clob:1
444 cmov_lle: dest:i src1:i src2:i len:16 clob:1
445 cmov_llt: dest:i src1:i src2:i len:16 clob:1
446 cmov_lne_un: dest:i src1:i src2:i len:16 clob:1
447 cmov_lge_un: dest:i src1:i src2:i len:16 clob:1
448 cmov_lgt_un: dest:i src1:i src2:i len:16 clob:1
449 cmov_lle_un: dest:i src1:i src2:i len:16 clob:1
450 cmov_llt_un: dest:i src1:i src2:i len:16 clob:1
452 long_add_imm: dest:i src1:i clob:1 len:12
453 long_sub_imm: dest:i src1:i clob:1 len:12
454 long_and_imm: dest:i src1:i clob:1 len:12
455 long_or_imm: dest:i src1:i clob:1 len:12
456 long_xor_imm: dest:i src1:i clob:1 len:12
458 lcompare_imm: src1:i len:13
460 amd64_compare_membase_reg: src1:b src2:i len:9
461 amd64_compare_membase_imm: src1:b len:14
462 amd64_compare_reg_membase: src1:i src2:b len:9
464 amd64_add_reg_membase: dest:i src1:i src2:b clob:1 len:14
465 amd64_sub_reg_membase: dest:i src1:i src2:b clob:1 len:14
466 amd64_and_reg_membase: dest:i src1:i src2:b clob:1 len:14
467 amd64_or_reg_membase: dest:i src1:i src2:b clob:1 len:14
468 amd64_xor_reg_membase: dest:i src1:i src2:b clob:1 len:14
470 amd64_add_membase_imm: src1:b len:16
471 amd64_sub_membase_imm: src1:b len:16
472 amd64_and_membase_imm: src1:b len:13
473 amd64_or_membase_imm: src1:b len:13
474 amd64_xor_membase_imm: src1:b len:13
476 x86_and_membase_imm: src1:b len:12
477 x86_or_membase_imm: src1:b len:12
478 x86_xor_membase_imm: src1:b len:12
480 x86_add_membase_reg: src1:b src2:i len:12
481 x86_sub_membase_reg: src1:b src2:i len:12
482 x86_and_membase_reg: src1:b src2:i len:12
483 x86_or_membase_reg: src1:b src2:i len:12
484 x86_xor_membase_reg: src1:b src2:i len:12
485 x86_mul_membase_reg: src1:b src2:i len:14
487 amd64_add_membase_reg: src1:b src2:i len:13
488 amd64_sub_membase_reg: src1:b src2:i len:13
489 amd64_and_membase_reg: src1:b src2:i len:13
490 amd64_or_membase_reg: src1:b src2:i len:13
491 amd64_xor_membase_reg: src1:b src2:i len:13
492 amd64_mul_membase_reg: src1:b src2:i len:15
494 float_conv_to_r4: dest:f src1:f
496 vcall2: len:64 clob:c
497 vcall2_reg: src1:i len:64 clob:c
498 vcall2_membase: src1:b len:64 clob:c
500 localloc_imm: dest:i len:84
502 load_mem: dest:i len:16
503 loadi8_mem: dest:i len:16
504 loadi4_mem: dest:i len:16
505 loadu1_mem: dest:i len:16
506 loadu2_mem: dest:i len:16