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
109 float_ceq: dest:i src1:f src2:f len:16
110 float_cgt: dest:i src1:f src2:f len:16
111 float_cgt_un: dest:i src1:f src2:f len:16
112 float_clt: dest:i src1:f src2:f len:16
113 float_clt_un: dest:i src1:f src2:f len:16
114 float_conv_to_i1: dest:i src1:f len:50
115 float_conv_to_i2: dest:i src1:f len:50
116 float_conv_to_i4: dest:i src1:f len:50
117 float_conv_to_i8: dest:l src1:f len:50
118 float_conv_to_i: dest:i src1:f len:52
119 float_conv_to_r4: dest:f src1:f len:8
120 float_conv_to_u1: dest:i src1:f len:72
121 float_conv_to_u2: dest:i src1:f len:72
122 float_conv_to_u4: dest:i src1:f len:72
123 float_conv_to_u8: dest:i src1:f len:72
124 float_conv_to_u: dest:i src1:f len:36
125 float_div: dest:f src1:f src2:f len:6
126 float_div_un: dest:f src1:f src2:f len:6
127 float_mul: dest:f src1:f src2:f len:6
128 float_neg: dest:f src1:f len:6
129 float_not: dest:f src1:f len:6
130 float_rem: dest:f src1:f src2:f len:16
131 float_rem_un: dest:f src1:f src2:f len:16
132 float_sub: dest:f src1:f src2:f len:6
133 fmove: dest:f src1:f len:4
134 move_f_to_i4: dest:i src1:f len:14
135 move_i4_to_f: dest:f src1:i len:14
136 move_f_to_i8: dest:i src1:f len:4
137 move_i8_to_f: dest:f src1:i len:8
138 i8const: dest:i len:20
139 icompare: src1:i src2:i len:4
140 icompare_imm: src1:i len:18
141 iconst: dest:i len:40
144 lcall: dest:o len:22 clob:c
145 lcall_membase: dest:o src1:b len:12 clob:c
146 lcall_reg: dest:o src1:i len:8 clob:c
147 lcompare: src1:i src2:i len:4
148 load_membase: dest:i src1:b len:30
149 loadi1_membase: dest:i src1:b len:40
150 loadi2_membase: dest:i src1:b len:30
151 loadi4_membase: dest:i src1:b len:30
152 loadi8_membase: dest:i src1:b len:30
153 loadr4_membase: dest:f src1:b len:28
154 loadr8_membase: dest:f src1:b len:28
155 loadu1_membase: dest:i src1:b len:30
156 loadu2_membase: dest:i src1:b len:30
157 loadu4_mem: dest:i len:8
158 loadu4_membase: dest:i src1:b len:30
159 localloc: dest:i src1:i len:106
160 memory_barrier: len: 10
161 move: dest:i src1:i len:4
162 mul_imm: dest:i src1:i len:24
165 oparglist: src1:i len:28
166 bigmul: len:2 dest:i src1:a src2:i
167 bigmul_un: len:2 dest:i src1:a src2:i
168 endfilter: src1:i len:28
169 rethrow: src1:i len:26
170 or_imm: dest:i src1:i len:24
171 r4const: dest:f len:26
172 r8const: dest:f len:24
173 rem_imm: dest:i src1:i src2:i len:24
174 rem_un_imm: dest:i src1:i src2:i len:24
175 s390_bkchain: len: 8 dest:i src1:i
176 s390_move: len:48 dest:b src1:b
177 s390_setf4ret: dest:f src1:f len:4
178 sbb: dest:i src1:i src2:i len:6
179 sbb_imm: dest:i src1:i len:14
182 sext_i4: dest:i src1:i len:4
183 zext_i4: dest:i src1:i len:4
184 shl_imm: dest:i src1:i len:10
185 shr_imm: dest:i src1:i len:10
186 shr_un_imm: dest:i src1:i len:10
187 sqrt: dest:f src1:f len:4
188 start_handler: len:26
189 store_membase_imm: dest:b len:46
190 store_membase_reg: dest:b src1:i len:26
191 storei1_membase_imm: dest:b len:46
192 storei1_membase_reg: dest:b src1:i len:26
193 storei2_membase_imm: dest:b len:46
194 storei2_membase_reg: dest:b src1:i len:26
195 storei4_membase_imm: dest:b len:46
196 storei4_membase_reg: dest:b src1:i len:26
197 storei8_membase_imm: dest:b len:46
198 storei8_membase_reg: dest:b src1:i len:26
199 storer4_membase_reg: dest:b src1:f len:28
200 storer8_membase_reg: dest:b src1:f len:24
201 sub_imm: dest:i src1:i len:18
202 sub_ovf_carry: dest:i src1:1 src2:i len:28
203 sub_ovf_un_carry: dest:i src1:1 src2:i len:12
204 subcc: dest:i src1:i src2:i len:12
206 tls_get: dest:1 len:32
207 tls_set: src1:1 len:32
209 vcall_membase: src1:b len:12 clob:c
210 vcall_reg: src1:i len:8 clob:c
211 voidcall: len:22 clob:c
212 voidcall_membase: src1:b len:12 clob:c
213 voidcall_reg: src1:i len:8 clob:c
214 xor_imm: dest:i src1:i len:20
217 int_adc: dest:i src1:i src2:i len:12
218 int_adc_imm: dest:i src1:i len:14
219 int_addcc: dest:i src1:i src2:i len:12
220 int_add: dest:i src1:i src2:i len:12
221 int_add_imm: dest:i src1:i len:20
222 int_and: dest:i src1:i src2:i len:12
223 int_and_imm: dest:i src1:i len:24
234 int_ceq: dest:i len:12
235 int_cgt: dest:i len:12
236 int_cgt_un: dest:i len:12
237 int_clt: dest:i len:12
238 int_clt_un: dest:i len:12
239 int_div: dest:a src1:i src2:i len:16
240 int_div_imm: dest:a src1:i len:24
241 int_div_un: dest:a src1:i src2:i len:16
242 int_div_un_imm: dest:a src1:i len:24
243 int_mul: dest:i src1:i src2:i len:16
244 int_mul_imm: dest:i src1:i len:24
245 int_mul_ovf: dest:i src1:i src2:i len:44
246 int_mul_ovf_un: dest:i src1:i src2:i len:22
247 int_add_ovf: dest:i src1:i src2:i len:32
248 int_add_ovf_un: dest:i src1:i src2:i len:32
249 int_sub_ovf: dest:i src1:i src2:i len:32
250 int_sub_ovf_un: dest:i src1:i src2:i len:32
251 int_neg: dest:i src1:i len:12
252 int_not: dest:i src1:i len:12
253 int_or: dest:i src1:i src2:i len:12
254 int_or_imm: dest:i src1:i len:24
255 int_rem: dest:d src1:i src2:i len:16
256 int_rem_imm: dest:d src1:i len:24
257 int_rem_un: dest:d src1:i src2:i len:16
258 int_rem_un_imm: dest:d src1:i len:24
259 int_sbb: dest:i src1:i src2:i len:6
260 int_sbb_imm: dest:i src1:i len:14
261 int_shl: dest:i src1:i src2:i clob:s len:12
262 int_shl_imm: dest:i src1:i len:10
263 int_shr: dest:i src1:i src2:i clob:s len:12
264 int_shr_imm: dest:i src1:i len:10
265 int_shr_un: dest:i src1:i src2:i clob:s len:12
266 int_shr_un_imm: dest:i src1:i len:10
267 int_subcc: dest:i src1:i src2:i len:12
268 int_sub: dest:i src1:i src2:i len:12
269 int_sub_imm: dest:i src1:i len:20
270 int_xor: dest:i src1:i src2:i len:12
271 int_xor_imm: dest:i src1:i len:24
272 int_conv_to_r4: dest:f src1:i len:16
273 int_conv_to_r8: dest:f src1:i len:16
276 long_add: dest:i src1:i src2:i len:12
277 long_sub: dest:i src1:i src2:i len:12
278 long_add_ovf: dest:i src1:i src2:i len:32
279 long_add_ovf_un: dest:i src1:i src2:i len:32
280 long_div: dest:i src1:i src2:i len:12
281 long_div_un: dest:i src1:i src2:i len:16
282 long_mul: dest:i src1:i src2:i len:12
283 long_mul_imm: dest:i src1:i len:20
284 long_mul_ovf: dest:i src1:i src2:i len:56
285 long_mul_ovf_un: dest:i src1:i src2:i len:64
286 long_and: dest:i src1:i src2:i len:8
287 long_or: dest:i src1:i src2:i len:8
288 long_xor: dest:i src1:i src2:i len:8
289 long_neg: dest:i src1:i len:6
290 long_not: dest:i src1:i len:12
291 long_rem: dest:i src1:i src2:i len:12
292 long_rem_imm: dest:i src1:i src2:i len:12
293 long_rem_un: dest:i src1:i src2:i len:16
294 long_shl: dest:i src1:i src2:i len:14
295 long_shl_imm: dest:i src1:i len:14
296 long_shr_un: dest:i src1:i src2:i len:14
297 long_shr: dest:i src1:i src2:i len:14
298 long_shr_imm: dest:i src1:i len:14
299 long_shr_un_imm: dest:i src1:i len:14
300 long_sub_imm: dest:i src1:i len:16
301 long_sub_ovf: dest:i src1:i src2:i len:16
302 long_sub_ovf_un: dest:i src1:i src2:i len:28
304 long_conv_to_i1: dest:i src1:i len:12
305 long_conv_to_i2: dest:i src1:i len:12
306 long_conv_to_i4: dest:i src1:i len:4
307 long_conv_to_i8: dest:i src1:i len:4
308 long_conv_to_i: dest:i src1:i len:4
309 long_conv_to_ovf_i: dest:i src1:i src2:i len:44
310 long_conv_to_ovf_i4_un: dest:i src1:i len:50
311 long_conv_to_ovf_u4: dest:i src1:i len:48
312 long_conv_to_ovf_u8_un: dest:i src1:i len:4
313 long_conv_to_r4: dest:f src1:i len:16
314 long_conv_to_r8: dest:f src1:i len:16
315 long_conv_to_u1: dest:i src1:i len:16
316 long_conv_to_u2: dest:i src1:i len:24
317 long_conv_to_u4: dest:i src1:i len:4
318 long_conv_to_u8: dest:i src1:i len:4
319 long_conv_to_u: dest:i src1:i len:4
320 long_conv_to_r_un: dest:f src1:i len:37
334 dummy_use: src1:i len:0
337 not_null: src1:i len:0
339 jump_table: dest:i len:24
341 int_conv_to_i1: dest:i src1:i len:12
342 int_conv_to_i2: dest:i src1:i len:12
343 int_conv_to_i4: dest:i src1:i len:2
344 int_conv_to_i: dest:i src1:i len:2
345 int_conv_to_u1: dest:i src1:i len:10
346 int_conv_to_u2: dest:i src1:i len:16
347 int_conv_to_u4: dest:i src1:i
348 int_conv_to_r_un: dest:f src1:i len:37
353 cond_exc_ige_un: len:8
355 cond_exc_igt_un: len:8
357 cond_exc_ile_un: len:8
359 cond_exc_ilt_un: len:8
361 cond_exc_ine_un: len:8
365 lcompare_imm: src1:i len:20
367 long_add_imm: dest:i src1:i len:20
369 long_ceq: dest:i len:12
370 long_cgt_un: dest:i len:12
371 long_cgt: dest:i len:12
372 long_clt_un: dest:i len:12
373 long_clt: dest:i len:12
375 vcall2: len:22 clob:c
376 vcall2_membase: src1:b len:12 clob:c
377 vcall2_reg: src1:i len:8 clob:c
379 s390_int_add_ovf: len:32 dest:i src1:i src2:i
380 s390_int_add_ovf_un: len:32 dest:i src1:i src2:i
381 s390_int_sub_ovf: len:32 dest:i src1:i src2:i
382 s390_int_sub_ovf_un: len:32 dest:i src1:i src2:i
384 s390_long_add_ovf: dest:i src1:i src2:i len:32
385 s390_long_add_ovf_un: dest:i src1:i src2:i len:32
386 s390_long_sub_ovf: dest:i src1:i src2:i len:32
387 s390_long_sub_ovf_un: dest:i src1:i src2:i len:32
389 gc_liveness_def: len:0
390 gc_liveness_use: len:0
391 gc_spill_slot_liveness_def: len:0
392 gc_param_slot_liveness_def: len:0
393 gc_safe_point: clob:c src1:i len:32
395 generic_class_init: src1:A len:32 clob:c