1 # S/390 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
14 # register may have the following values:
16 # a r3 register (output from calls)
17 # b base register (used in address references)
18 # f floating point register
20 # len:number describe the maximun length in bytes of the instruction
21 # number is a positive integer
23 # cost:number describe how many cycles are needed to complete the instruction (unused)
25 # clob:spec describe if the instruction clobbers registers or has special needs
27 # spec can be one of the following characters:
28 # c clobbers caller-save registers
29 # r 'reserves' the destination register until a later instruction unreserves it
30 # used mostly to set output registers in function calls
32 # flags:spec describe if the instruction uses or sets the flags (unused)
34 # spec can be one of the following chars:
37 # m uses and modifies the flags
39 # res:spec describe what units are used in the processor (unused)
41 # delay: describe delay slots (unused)
43 # the required specifiers are: len, clob (if registers are clobbered), the registers
44 # specifiers if the registers are actually used, flags (when scheduling is implemented).
46 # See the code in mini-x86.c for more details on how the specifiers are used.
49 adc: dest:i src1:i src2:i len:6
50 adc_imm: dest:i src1:i len:14
51 add_imm: dest:i src1:i len:24
52 add_ovf_carry: dest:i src1:1 src2:i len:28
53 add_ovf_un_carry: dest:i src1:1 src2:i len:12
54 addcc: dest:i src1:i src2:i len:12
55 and_imm: dest:i src1:i len:24
56 aot_const: dest:i len:8
57 atomic_add_i4: src1:b src2:i dest:i len:28
58 atomic_add_i8: src1:b src2:i dest:i len:30
59 atomic_exchange_i4: src1:b src2:i dest:i len:18
60 atomic_exchange_i8: src1:b src2:i dest:i len:24
64 call: dest:o clob:c len:26
65 call_handler: len:12 clob:c
66 call_membase: dest:o src1:b len:12 clob:c
67 call_reg: dest:o src1:i len:8 clob:c
71 checkthis: src1:b len:16
72 ckfinite: dest:f src1:f len:22
75 compare: src1:i src2:i len:4
76 compare_imm: src1:i len:20
91 div_imm: dest:i src1:i src2:i len:24
92 div_un_imm: dest:i src1:i src2:i len:24
94 fcall: dest:g len:26 clob:c
95 fcall_membase: dest:g src1:b len:14 clob:c
96 fcall_reg: dest:g src1:i len:10 clob:c
97 fcompare: src1:f src2:f len:14
98 float_add: dest:f src1:f src2:f len:6
111 float_ceq: dest:i src1:f src2:f len:16
112 float_cgt: dest:i src1:f src2:f len:16
113 float_cgt_un: dest:i src1:f src2:f len:16
114 float_clt: dest:i src1:f src2:f len:16
115 float_clt_un: dest:i src1:f src2:f len:16
116 float_cneq: dest:y src1:f src2:f len:16
117 float_cge: dest:y src1:f src2:f len:16
118 float_cle: dest:y src1:f src2:f len:16
120 float_conv_to_i1: dest:i src1:f len:50
121 float_conv_to_i2: dest:i src1:f len:50
122 float_conv_to_i4: dest:i src1:f len:50
123 float_conv_to_i8: dest:l src1:f len:50
124 float_conv_to_i: dest:i src1:f len:52
125 float_conv_to_r4: dest:f src1:f len:8
126 float_conv_to_u1: dest:i src1:f len:72
127 float_conv_to_u2: dest:i src1:f len:72
128 float_conv_to_u4: dest:i src1:f len:72
129 float_conv_to_u8: dest:i src1:f len:72
130 float_conv_to_u: dest:i src1:f len:36
131 float_div: dest:f src1:f src2:f len:6
132 float_div_un: dest:f src1:f src2:f len:6
133 float_mul: dest:f src1:f src2:f len:6
134 float_neg: dest:f src1:f len:6
135 float_not: dest:f src1:f len:6
136 float_rem: dest:f src1:f src2:f len:16
137 float_rem_un: dest:f src1:f src2:f len:16
138 float_sub: dest:f src1:f src2:f len:6
139 fmove: dest:f src1:f len:4
140 move_f_to_i4: dest:i src1:f len:14
141 move_i4_to_f: dest:f src1:i len:14
142 move_f_to_i8: dest:i src1:f len:4
143 move_i8_to_f: dest:f src1:i len:8
144 i8const: dest:i len:20
145 icompare: src1:i src2:i len:4
146 icompare_imm: src1:i len:18
147 iconst: dest:i len:40
150 lcall: dest:o len:22 clob:c
151 lcall_membase: dest:o src1:b len:12 clob:c
152 lcall_reg: dest:o src1:i len:8 clob:c
153 lcompare: src1:i src2:i len:4
154 load_membase: dest:i src1:b len:30
155 loadi1_membase: dest:i src1:b len:40
156 loadi2_membase: dest:i src1:b len:30
157 loadi4_membase: dest:i src1:b len:30
158 loadi8_membase: dest:i src1:b len:30
159 loadr4_membase: dest:f src1:b len:28
160 loadr8_membase: dest:f src1:b len:28
161 loadu1_membase: dest:i src1:b len:30
162 loadu2_membase: dest:i src1:b len:30
163 loadu4_mem: dest:i len:8
164 loadu4_membase: dest:i src1:b len:30
165 localloc: dest:i src1:i len:106
166 memory_barrier: len: 10
167 move: dest:i src1:i len:4
168 mul_imm: dest:i src1:i len:24
171 oparglist: src1:i len:28
172 bigmul: len:2 dest:i src1:a src2:i
173 bigmul_un: len:2 dest:i src1:a src2:i
174 endfilter: src1:i len:28
175 rethrow: src1:i len:26
176 or_imm: dest:i src1:i len:24
177 r4const: dest:f len:26
178 r8const: dest:f len:24
179 rem_imm: dest:i src1:i src2:i len:24
180 rem_un_imm: dest:i src1:i src2:i len:24
181 s390_bkchain: len: 8 dest:i src1:i
182 s390_move: len:48 dest:b src1:b
183 s390_setf4ret: dest:f src1:f len:4
184 sbb: dest:i src1:i src2:i len:6
185 sbb_imm: dest:i src1:i len:14
188 sext_i4: dest:i src1:i len:4
189 zext_i4: dest:i src1:i len:4
190 shl_imm: dest:i src1:i len:10
191 shr_imm: dest:i src1:i len:10
192 shr_un_imm: dest:i src1:i len:10
193 sqrt: dest:f src1:f len:4
194 start_handler: len:26
195 store_membase_imm: dest:b len:46
196 store_membase_reg: dest:b src1:i len:26
197 storei1_membase_imm: dest:b len:46
198 storei1_membase_reg: dest:b src1:i len:26
199 storei2_membase_imm: dest:b len:46
200 storei2_membase_reg: dest:b src1:i len:26
201 storei4_membase_imm: dest:b len:46
202 storei4_membase_reg: dest:b src1:i len:26
203 storei8_membase_imm: dest:b len:46
204 storei8_membase_reg: dest:b src1:i len:26
205 storer4_membase_reg: dest:b src1:f len:28
206 storer8_membase_reg: dest:b src1:f len:24
207 sub_imm: dest:i src1:i len:18
208 sub_ovf_carry: dest:i src1:1 src2:i len:28
209 sub_ovf_un_carry: dest:i src1:1 src2:i len:12
210 subcc: dest:i src1:i src2:i len:12
212 tls_get: dest:1 len:32
213 tls_set: src1:1 len:32
215 vcall_membase: src1:b len:12 clob:c
216 vcall_reg: src1:i len:8 clob:c
217 voidcall: len:22 clob:c
218 voidcall_membase: src1:b len:12 clob:c
219 voidcall_reg: src1:i len:8 clob:c
220 xor_imm: dest:i src1:i len:20
223 int_adc: dest:i src1:i src2:i len:12
224 int_adc_imm: dest:i src1:i len:14
225 int_addcc: dest:i src1:i src2:i len:12
226 int_add: dest:i src1:i src2:i len:12
227 int_add_imm: dest:i src1:i len:20
228 int_and: dest:i src1:i src2:i len:12
229 int_and_imm: dest:i src1:i len:24
241 int_ceq: dest:i len:12
242 int_cgt: dest:i len:12
243 int_cgt_un: dest:i len:12
244 int_clt: dest:i len:12
245 int_clt_un: dest:i len:12
247 int_cneq: dest:i len:12
248 int_cge: dest:i len:12
249 int_cle: dest:i len:12
250 int_cge_un: dest:i len:12
251 int_cle_un: dest:i len:12
253 int_div: dest:a src1:i src2:i len:16
254 int_div_imm: dest:a src1:i len:24
255 int_div_un: dest:a src1:i src2:i len:16
256 int_div_un_imm: dest:a src1:i len:24
257 int_mul: dest:i src1:i src2:i len:16
258 int_mul_imm: dest:i src1:i len:24
259 int_mul_ovf: dest:i src1:i src2:i len:44
260 int_mul_ovf_un: dest:i src1:i src2:i len:22
261 int_add_ovf: dest:i src1:i src2:i len:32
262 int_add_ovf_un: dest:i src1:i src2:i len:32
263 int_sub_ovf: dest:i src1:i src2:i len:32
264 int_sub_ovf_un: dest:i src1:i src2:i len:32
265 int_neg: dest:i src1:i len:12
266 int_not: dest:i src1:i len:12
267 int_or: dest:i src1:i src2:i len:12
268 int_or_imm: dest:i src1:i len:24
269 int_rem: dest:d src1:i src2:i len:16
270 int_rem_imm: dest:d src1:i len:24
271 int_rem_un: dest:d src1:i src2:i len:16
272 int_rem_un_imm: dest:d src1:i len:24
273 int_sbb: dest:i src1:i src2:i len:6
274 int_sbb_imm: dest:i src1:i len:14
275 int_shl: dest:i src1:i src2:i clob:s len:12
276 int_shl_imm: dest:i src1:i len:10
277 int_shr: dest:i src1:i src2:i clob:s len:12
278 int_shr_imm: dest:i src1:i len:10
279 int_shr_un: dest:i src1:i src2:i clob:s len:12
280 int_shr_un_imm: dest:i src1:i len:10
281 int_subcc: dest:i src1:i src2:i len:12
282 int_sub: dest:i src1:i src2:i len:12
283 int_sub_imm: dest:i src1:i len:20
284 int_xor: dest:i src1:i src2:i len:12
285 int_xor_imm: dest:i src1:i len:24
286 int_conv_to_r4: dest:f src1:i len:16
287 int_conv_to_r8: dest:f src1:i len:16
290 long_add: dest:i src1:i src2:i len:12
291 long_sub: dest:i src1:i src2:i len:12
292 long_add_ovf: dest:i src1:i src2:i len:32
293 long_add_ovf_un: dest:i src1:i src2:i len:32
294 long_div: dest:i src1:i src2:i len:12
295 long_div_un: dest:i src1:i src2:i len:16
296 long_mul: dest:i src1:i src2:i len:12
297 long_mul_imm: dest:i src1:i len:20
298 long_mul_ovf: dest:i src1:i src2:i len:56
299 long_mul_ovf_un: dest:i src1:i src2:i len:64
300 long_and: dest:i src1:i src2:i len:8
301 long_or: dest:i src1:i src2:i len:8
302 long_xor: dest:i src1:i src2:i len:8
303 long_neg: dest:i src1:i len:6
304 long_not: dest:i src1:i len:12
305 long_rem: dest:i src1:i src2:i len:12
306 long_rem_imm: dest:i src1:i src2:i len:12
307 long_rem_un: dest:i src1:i src2:i len:16
308 long_shl: dest:i src1:i src2:i len:14
309 long_shl_imm: dest:i src1:i len:14
310 long_shr_un: dest:i src1:i src2:i len:14
311 long_shr: dest:i src1:i src2:i len:14
312 long_shr_imm: dest:i src1:i len:14
313 long_shr_un_imm: dest:i src1:i len:14
314 long_sub_imm: dest:i src1:i len:16
315 long_sub_ovf: dest:i src1:i src2:i len:16
316 long_sub_ovf_un: dest:i src1:i src2:i len:28
318 long_conv_to_i1: dest:i src1:i len:12
319 long_conv_to_i2: dest:i src1:i len:12
320 long_conv_to_i4: dest:i src1:i len:4
321 long_conv_to_i8: dest:i src1:i len:4
322 long_conv_to_i: dest:i src1:i len:4
323 long_conv_to_ovf_i: dest:i src1:i src2:i len:44
324 long_conv_to_ovf_i4_un: dest:i src1:i len:50
325 long_conv_to_ovf_u4: dest:i src1:i len:48
326 long_conv_to_ovf_u8_un: dest:i src1:i len:4
327 long_conv_to_r4: dest:f src1:i len:16
328 long_conv_to_r8: dest:f src1:i len:16
329 long_conv_to_u1: dest:i src1:i len:16
330 long_conv_to_u2: dest:i src1:i len:24
331 long_conv_to_u4: dest:i src1:i len:4
332 long_conv_to_u8: dest:i src1:i len:4
333 long_conv_to_u: dest:i src1:i len:4
334 long_conv_to_r_un: dest:f src1:i len:37
348 dummy_use: src1:i len:0
351 not_null: src1:i len:0
353 jump_table: dest:i len:24
355 int_conv_to_i1: dest:i src1:i len:12
356 int_conv_to_i2: dest:i src1:i len:12
357 int_conv_to_i4: dest:i src1:i len:4
358 int_conv_to_i: dest:i src1:i len:4
359 int_conv_to_u1: dest:i src1:i len:10
360 int_conv_to_u2: dest:i src1:i len:16
361 int_conv_to_u4: dest:i src1:i len:4
362 int_conv_to_r_un: dest:f src1:i len:37
367 cond_exc_ige_un: len:8
369 cond_exc_igt_un: len:8
371 cond_exc_ile_un: len:8
373 cond_exc_ilt_un: len:8
375 cond_exc_ine_un: len:8
379 lcompare_imm: src1:i len:20
381 long_add_imm: dest:i src1:i len:20
383 long_ceq: dest:i len:12
384 long_cgt_un: dest:i len:12
385 long_cgt: dest:i len:12
386 long_clt_un: dest:i len:12
387 long_clt: dest:i len:12
389 vcall2: len:22 clob:c
390 vcall2_membase: src1:b len:12 clob:c
391 vcall2_reg: src1:i len:8 clob:c
393 s390_int_add_ovf: len:32 dest:i src1:i src2:i
394 s390_int_add_ovf_un: len:32 dest:i src1:i src2:i
395 s390_int_sub_ovf: len:32 dest:i src1:i src2:i
396 s390_int_sub_ovf_un: len:32 dest:i src1:i src2:i
398 s390_long_add_ovf: dest:i src1:i src2:i len:32
399 s390_long_add_ovf_un: dest:i src1:i src2:i len:32
400 s390_long_sub_ovf: dest:i src1:i src2:i len:32
401 s390_long_sub_ovf_un: dest:i src1:i src2:i len:32
403 gc_liveness_def: len:0
404 gc_liveness_use: len:0
405 gc_spill_slot_liveness_def: len:0
406 gc_param_slot_liveness_def: len:0
407 gc_safe_point: clob:c src1:i len:32
409 generic_class_init: src1:A len:32 clob:c
411 s390_crj: src1:i src2:i len:24
412 s390_crj_un: src1:i src2:i len:24
413 s390_cgrj: src1:i src2:i len:24
414 s390_cgrj_un: src1:i src2:i len:24
415 s390_cij: src1:i len:24
416 s390_cij_un: src1:i len:24
417 s390_cgij: src1:i len:24
418 s390_cgij_un: src1:i len:24