1 /* Generate code to initialize optabs from machine description.
2 Copyright (C) 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000,
3 2001, 2002, 2003, 2004, 2005, 2006 Free Software Foundation, Inc.
5 This file is part of GCC.
7 GCC is free software; you can redistribute it and/or modify it under
8 the terms of the GNU General Public License as published by the Free
9 Software Foundation; either version 2, or (at your option) any later
12 GCC is distributed in the hope that it will be useful, but WITHOUT ANY
13 WARRANTY; without even the implied warranty of MERCHANTABILITY or
14 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
17 You should have received a copy of the GNU General Public License
18 along with GCC; see the file COPYING. If not, write to the Free
19 Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA
25 #include "coretypes.h"
29 #include "gensupport.h"
32 /* Many parts of GCC use arrays that are indexed by machine mode and
33 contain the insn codes for pattern in the MD file that perform a given
34 operation on operands of that mode.
36 These patterns are present in the MD file with names that contain
37 the mode(s) used and the name of the operation. This program
38 writes a function `init_all_optabs' that initializes the optabs with
39 all the insn codes of the relevant patterns present in the MD file.
41 This array contains a list of optabs that need to be initialized. Within
42 each string, the name of the pattern to be matched against is delimited
43 with $( and $). In the string, $a and $b are used to match a short mode
44 name (the part of the mode name not including `mode' and converted to
45 lower-case). When writing out the initializer, the entire string is
46 used. $A and $B are replaced with the full name of the mode; $a and $b
47 are replaced with the short form of the name, as above.
49 If $N is present in the pattern, it means the two modes must be consecutive
50 widths in the same mode class (e.g, QImode and HImode). $I means that
51 only full integer modes should be considered for the next mode, and $F
52 means that only float modes should be considered.
53 $P means that both full and partial integer modes should be considered.
55 $V means to emit 'v' if the first mode is a MODE_FLOAT mode.
57 For some optabs, we store the operation by RTL codes. These are only
58 used for comparisons. In that case, $c and $C are the lower-case and
59 upper-case forms of the comparison, respectively. */
61 static const char * const optabs[] =
62 { "sext_optab->handlers[$B][$A].insn_code = CODE_FOR_$(extend$a$b2$)",
63 "zext_optab->handlers[$B][$A].insn_code = CODE_FOR_$(zero_extend$a$b2$)",
64 "sfix_optab->handlers[$B][$A].insn_code = CODE_FOR_$(fix$F$a$I$b2$)",
65 "ufix_optab->handlers[$B][$A].insn_code = CODE_FOR_$(fixuns$F$a$b2$)",
66 "sfixtrunc_optab->handlers[$B][$A].insn_code = CODE_FOR_$(fix_trunc$F$a$I$b2$)",
67 "ufixtrunc_optab->handlers[$B][$A].insn_code = CODE_FOR_$(fixuns_trunc$F$a$I$b2$)",
68 "sfloat_optab->handlers[$B][$A].insn_code = CODE_FOR_$(float$I$a$F$b2$)",
69 "ufloat_optab->handlers[$B][$A].insn_code = CODE_FOR_$(floatuns$I$a$F$b2$)",
70 "trunc_optab->handlers[$B][$A].insn_code = CODE_FOR_$(trunc$a$b2$)",
71 "add_optab->handlers[$A].insn_code = CODE_FOR_$(add$P$a3$)",
72 "addv_optab->handlers[$A].insn_code =\n\
73 add_optab->handlers[$A].insn_code = CODE_FOR_$(add$F$a3$)",
74 "addv_optab->handlers[$A].insn_code = CODE_FOR_$(addv$I$a3$)",
75 "sub_optab->handlers[$A].insn_code = CODE_FOR_$(sub$P$a3$)",
76 "subv_optab->handlers[$A].insn_code =\n\
77 sub_optab->handlers[$A].insn_code = CODE_FOR_$(sub$F$a3$)",
78 "subv_optab->handlers[$A].insn_code = CODE_FOR_$(subv$I$a3$)",
79 "smul_optab->handlers[$A].insn_code = CODE_FOR_$(mul$P$a3$)",
80 "smulv_optab->handlers[$A].insn_code =\n\
81 smul_optab->handlers[$A].insn_code = CODE_FOR_$(mul$F$a3$)",
82 "smulv_optab->handlers[$A].insn_code = CODE_FOR_$(mulv$I$a3$)",
83 "umul_highpart_optab->handlers[$A].insn_code = CODE_FOR_$(umul$a3_highpart$)",
84 "smul_highpart_optab->handlers[$A].insn_code = CODE_FOR_$(smul$a3_highpart$)",
85 "smul_widen_optab->handlers[$B].insn_code = CODE_FOR_$(mul$a$b3$)$N",
86 "umul_widen_optab->handlers[$B].insn_code = CODE_FOR_$(umul$a$b3$)$N",
87 "usmul_widen_optab->handlers[$B].insn_code = CODE_FOR_$(usmul$a$b3$)$N",
88 "smadd_widen_optab->handlers[$B].insn_code = CODE_FOR_$(madd$a$b4$)$N",
89 "umadd_widen_optab->handlers[$B].insn_code = CODE_FOR_$(umadd$a$b4$)$N",
90 "smsub_widen_optab->handlers[$B].insn_code = CODE_FOR_$(msub$a$b4$)$N",
91 "umsub_widen_optab->handlers[$B].insn_code = CODE_FOR_$(umsub$a$b4$)$N",
92 "sdiv_optab->handlers[$A].insn_code = CODE_FOR_$(div$a3$)",
93 "sdivv_optab->handlers[$A].insn_code = CODE_FOR_$(div$V$I$a3$)",
94 "udiv_optab->handlers[$A].insn_code = CODE_FOR_$(udiv$I$a3$)",
95 "sdivmod_optab->handlers[$A].insn_code = CODE_FOR_$(divmod$a4$)",
96 "udivmod_optab->handlers[$A].insn_code = CODE_FOR_$(udivmod$a4$)",
97 "smod_optab->handlers[$A].insn_code = CODE_FOR_$(mod$a3$)",
98 "umod_optab->handlers[$A].insn_code = CODE_FOR_$(umod$a3$)",
99 "fmod_optab->handlers[$A].insn_code = CODE_FOR_$(fmod$a3$)",
100 "remainder_optab->handlers[$A].insn_code = CODE_FOR_$(remainder$a3$)",
101 "ftrunc_optab->handlers[$A].insn_code = CODE_FOR_$(ftrunc$F$a2$)",
102 "and_optab->handlers[$A].insn_code = CODE_FOR_$(and$a3$)",
103 "ior_optab->handlers[$A].insn_code = CODE_FOR_$(ior$a3$)",
104 "xor_optab->handlers[$A].insn_code = CODE_FOR_$(xor$a3$)",
105 "ashl_optab->handlers[$A].insn_code = CODE_FOR_$(ashl$a3$)",
106 "ashr_optab->handlers[$A].insn_code = CODE_FOR_$(ashr$a3$)",
107 "lshr_optab->handlers[$A].insn_code = CODE_FOR_$(lshr$a3$)",
108 "rotl_optab->handlers[$A].insn_code = CODE_FOR_$(rotl$a3$)",
109 "rotr_optab->handlers[$A].insn_code = CODE_FOR_$(rotr$a3$)",
110 "smin_optab->handlers[$A].insn_code = CODE_FOR_$(smin$a3$)",
111 "smax_optab->handlers[$A].insn_code = CODE_FOR_$(smax$a3$)",
112 "umin_optab->handlers[$A].insn_code = CODE_FOR_$(umin$I$a3$)",
113 "umax_optab->handlers[$A].insn_code = CODE_FOR_$(umax$I$a3$)",
114 "pow_optab->handlers[$A].insn_code = CODE_FOR_$(pow$a3$)",
115 "atan2_optab->handlers[$A].insn_code = CODE_FOR_$(atan2$a3$)",
116 "neg_optab->handlers[$A].insn_code = CODE_FOR_$(neg$P$a2$)",
117 "negv_optab->handlers[$A].insn_code =\n\
118 neg_optab->handlers[$A].insn_code = CODE_FOR_$(neg$F$a2$)",
119 "negv_optab->handlers[$A].insn_code = CODE_FOR_$(negv$I$a2$)",
120 "abs_optab->handlers[$A].insn_code = CODE_FOR_$(abs$P$a2$)",
121 "absv_optab->handlers[$A].insn_code =\n\
122 abs_optab->handlers[$A].insn_code = CODE_FOR_$(abs$F$a2$)",
123 "absv_optab->handlers[$A].insn_code = CODE_FOR_$(absv$I$a2$)",
124 "copysign_optab->handlers[$A].insn_code = CODE_FOR_$(copysign$F$a3$)",
125 "isinf_optab->handlers[$A].insn_code = CODE_FOR_$(isinf$a2$)",
126 "sqrt_optab->handlers[$A].insn_code = CODE_FOR_$(sqrt$a2$)",
127 "floor_optab->handlers[$A].insn_code = CODE_FOR_$(floor$a2$)",
128 "lfloor_optab->handlers[$B][$A].insn_code = CODE_FOR_$(lfloor$F$a$I$b2$)",
129 "ceil_optab->handlers[$A].insn_code = CODE_FOR_$(ceil$a2$)",
130 "lceil_optab->handlers[$B][$A].insn_code = CODE_FOR_$(lceil$F$a$I$b2$)",
131 "round_optab->handlers[$A].insn_code = CODE_FOR_$(round$a2$)",
132 "btrunc_optab->handlers[$A].insn_code = CODE_FOR_$(btrunc$a2$)",
133 "nearbyint_optab->handlers[$A].insn_code = CODE_FOR_$(nearbyint$a2$)",
134 "rint_optab->handlers[$A].insn_code = CODE_FOR_$(rint$a2$)",
135 "lrint_optab->handlers[$B][$A].insn_code = CODE_FOR_$(lrint$F$a$I$b2$)",
136 "lround_optab->handlers[$B][$A].insn_code = CODE_FOR_$(lround$F$a$I$b2$)",
137 "sincos_optab->handlers[$A].insn_code = CODE_FOR_$(sincos$a3$)",
138 "sin_optab->handlers[$A].insn_code = CODE_FOR_$(sin$a2$)",
139 "asin_optab->handlers[$A].insn_code = CODE_FOR_$(asin$a2$)",
140 "cos_optab->handlers[$A].insn_code = CODE_FOR_$(cos$a2$)",
141 "acos_optab->handlers[$A].insn_code = CODE_FOR_$(acos$a2$)",
142 "exp_optab->handlers[$A].insn_code = CODE_FOR_$(exp$a2$)",
143 "exp10_optab->handlers[$A].insn_code = CODE_FOR_$(exp10$a2$)",
144 "exp2_optab->handlers[$A].insn_code = CODE_FOR_$(exp2$a2$)",
145 "expm1_optab->handlers[$A].insn_code = CODE_FOR_$(expm1$a2$)",
146 "ldexp_optab->handlers[$A].insn_code = CODE_FOR_$(ldexp$a3$)",
147 "scalb_optab->handlers[$A].insn_code = CODE_FOR_$(scalb$a3$)",
148 "logb_optab->handlers[$A].insn_code = CODE_FOR_$(logb$a2$)",
149 "ilogb_optab->handlers[$A].insn_code = CODE_FOR_$(ilogb$a2$)",
150 "log_optab->handlers[$A].insn_code = CODE_FOR_$(log$a2$)",
151 "log10_optab->handlers[$A].insn_code = CODE_FOR_$(log10$a2$)",
152 "log2_optab->handlers[$A].insn_code = CODE_FOR_$(log2$a2$)",
153 "log1p_optab->handlers[$A].insn_code = CODE_FOR_$(log1p$a2$)",
154 "tan_optab->handlers[$A].insn_code = CODE_FOR_$(tan$a2$)",
155 "atan_optab->handlers[$A].insn_code = CODE_FOR_$(atan$a2$)",
156 "strlen_optab->handlers[$A].insn_code = CODE_FOR_$(strlen$a$)",
157 "one_cmpl_optab->handlers[$A].insn_code = CODE_FOR_$(one_cmpl$a2$)",
158 "bswap_optab->handlers[$A].insn_code = CODE_FOR_$(bswap$a2$)",
159 "ffs_optab->handlers[$A].insn_code = CODE_FOR_$(ffs$a2$)",
160 "clz_optab->handlers[$A].insn_code = CODE_FOR_$(clz$a2$)",
161 "ctz_optab->handlers[$A].insn_code = CODE_FOR_$(ctz$a2$)",
162 "popcount_optab->handlers[$A].insn_code = CODE_FOR_$(popcount$a2$)",
163 "parity_optab->handlers[$A].insn_code = CODE_FOR_$(parity$a2$)",
164 "mov_optab->handlers[$A].insn_code = CODE_FOR_$(mov$a$)",
165 "movstrict_optab->handlers[$A].insn_code = CODE_FOR_$(movstrict$a$)",
166 "movmisalign_optab->handlers[$A].insn_code = CODE_FOR_$(movmisalign$a$)",
167 "storent_optab->handlers[$A].insn_code = CODE_FOR_$(storent$a$)",
168 "cmp_optab->handlers[$A].insn_code = CODE_FOR_$(cmp$a$)",
169 "tst_optab->handlers[$A].insn_code = CODE_FOR_$(tst$a$)",
170 "addcc_optab->handlers[$A].insn_code = CODE_FOR_$(add$acc$)",
171 "bcc_gen_fctn[$C] = gen_$(b$c$)",
172 "setcc_gen_code[$C] = CODE_FOR_$(s$c$)",
173 "movcc_gen_code[$A] = CODE_FOR_$(mov$acc$)",
174 "cbranch_optab->handlers[$A].insn_code = CODE_FOR_$(cbranch$a4$)",
175 "cmov_optab->handlers[$A].insn_code = CODE_FOR_$(cmov$a6$)",
176 "cstore_optab->handlers[$A].insn_code = CODE_FOR_$(cstore$a4$)",
177 "push_optab->handlers[$A].insn_code = CODE_FOR_$(push$a1$)",
178 "reload_in_optab[$A] = CODE_FOR_$(reload_in$a$)",
179 "reload_out_optab[$A] = CODE_FOR_$(reload_out$a$)",
180 "signbit_optab[$A] = CODE_FOR_$(signbit$F$a2$)",
181 "movmem_optab[$A] = CODE_FOR_$(movmem$a$)",
182 "cmpstr_optab[$A] = CODE_FOR_$(cmpstr$a$)",
183 "cmpstrn_optab[$A] = CODE_FOR_$(cmpstrn$a$)",
184 "cmpmem_optab[$A] = CODE_FOR_$(cmpmem$a$)",
185 "setmem_optab[$A] = CODE_FOR_$(setmem$a$)",
186 "sync_add_optab[$A] = CODE_FOR_$(sync_add$I$a$)",
187 "sync_sub_optab[$A] = CODE_FOR_$(sync_sub$I$a$)",
188 "sync_ior_optab[$A] = CODE_FOR_$(sync_ior$I$a$)",
189 "sync_and_optab[$A] = CODE_FOR_$(sync_and$I$a$)",
190 "sync_xor_optab[$A] = CODE_FOR_$(sync_xor$I$a$)",
191 "sync_nand_optab[$A] = CODE_FOR_$(sync_nand$I$a$)",
192 "sync_old_add_optab[$A] = CODE_FOR_$(sync_old_add$I$a$)",
193 "sync_old_sub_optab[$A] = CODE_FOR_$(sync_old_sub$I$a$)",
194 "sync_old_ior_optab[$A] = CODE_FOR_$(sync_old_ior$I$a$)",
195 "sync_old_and_optab[$A] = CODE_FOR_$(sync_old_and$I$a$)",
196 "sync_old_xor_optab[$A] = CODE_FOR_$(sync_old_xor$I$a$)",
197 "sync_old_nand_optab[$A] = CODE_FOR_$(sync_old_nand$I$a$)",
198 "sync_new_add_optab[$A] = CODE_FOR_$(sync_new_add$I$a$)",
199 "sync_new_sub_optab[$A] = CODE_FOR_$(sync_new_sub$I$a$)",
200 "sync_new_ior_optab[$A] = CODE_FOR_$(sync_new_ior$I$a$)",
201 "sync_new_and_optab[$A] = CODE_FOR_$(sync_new_and$I$a$)",
202 "sync_new_xor_optab[$A] = CODE_FOR_$(sync_new_xor$I$a$)",
203 "sync_new_nand_optab[$A] = CODE_FOR_$(sync_new_nand$I$a$)",
204 "sync_compare_and_swap[$A] = CODE_FOR_$(sync_compare_and_swap$I$a$)",
205 "sync_compare_and_swap_cc[$A] = CODE_FOR_$(sync_compare_and_swap_cc$I$a$)",
206 "sync_lock_test_and_set[$A] = CODE_FOR_$(sync_lock_test_and_set$I$a$)",
207 "sync_lock_release[$A] = CODE_FOR_$(sync_lock_release$I$a$)",
208 "vec_set_optab->handlers[$A].insn_code = CODE_FOR_$(vec_set$a$)",
209 "vec_extract_optab->handlers[$A].insn_code = CODE_FOR_$(vec_extract$a$)",
210 "vec_extract_even_optab->handlers[$A].insn_code = CODE_FOR_$(vec_extract_even$a$)",
211 "vec_extract_odd_optab->handlers[$A].insn_code = CODE_FOR_$(vec_extract_odd$a$)",
212 "vec_interleave_high_optab->handlers[$A].insn_code = CODE_FOR_$(vec_interleave_high$a$)",
213 "vec_interleave_low_optab->handlers[$A].insn_code = CODE_FOR_$(vec_interleave_low$a$)",
214 "vec_init_optab->handlers[$A].insn_code = CODE_FOR_$(vec_init$a$)",
215 "vec_shl_optab->handlers[$A].insn_code = CODE_FOR_$(vec_shl_$a$)",
216 "vec_shr_optab->handlers[$A].insn_code = CODE_FOR_$(vec_shr_$a$)",
217 "vec_realign_load_optab->handlers[$A].insn_code = CODE_FOR_$(vec_realign_load_$a$)",
218 "vcond_gen_code[$A] = CODE_FOR_$(vcond$a$)",
219 "vcondu_gen_code[$A] = CODE_FOR_$(vcondu$a$)",
220 "ssum_widen_optab->handlers[$A].insn_code = CODE_FOR_$(widen_ssum$I$a3$)",
221 "usum_widen_optab->handlers[$A].insn_code = CODE_FOR_$(widen_usum$I$a3$)",
222 "udot_prod_optab->handlers[$A].insn_code = CODE_FOR_$(udot_prod$I$a$)",
223 "sdot_prod_optab->handlers[$A].insn_code = CODE_FOR_$(sdot_prod$I$a$)",
224 "reduc_smax_optab->handlers[$A].insn_code = CODE_FOR_$(reduc_smax_$a$)",
225 "reduc_umax_optab->handlers[$A].insn_code = CODE_FOR_$(reduc_umax_$a$)",
226 "reduc_smin_optab->handlers[$A].insn_code = CODE_FOR_$(reduc_smin_$a$)",
227 "reduc_umin_optab->handlers[$A].insn_code = CODE_FOR_$(reduc_umin_$a$)",
228 "reduc_splus_optab->handlers[$A].insn_code = CODE_FOR_$(reduc_splus_$a$)" ,
229 "reduc_uplus_optab->handlers[$A].insn_code = CODE_FOR_$(reduc_uplus_$a$)",
230 "vec_widen_umult_hi_optab->handlers[$A].insn_code = CODE_FOR_$(vec_widen_umult_hi_$a$)",
231 "vec_widen_umult_lo_optab->handlers[$A].insn_code = CODE_FOR_$(vec_widen_umult_lo_$a$)",
232 "vec_widen_smult_hi_optab->handlers[$A].insn_code = CODE_FOR_$(vec_widen_smult_hi_$a$)",
233 "vec_widen_smult_lo_optab->handlers[$A].insn_code = CODE_FOR_$(vec_widen_smult_lo_$a$)",
234 "vec_unpacks_hi_optab->handlers[$A].insn_code = CODE_FOR_$(vec_unpacks_hi_$a$)",
235 "vec_unpacks_lo_optab->handlers[$A].insn_code = CODE_FOR_$(vec_unpacks_lo_$a$)",
236 "vec_unpacku_hi_optab->handlers[$A].insn_code = CODE_FOR_$(vec_unpacku_hi_$a$)",
237 "vec_unpacku_lo_optab->handlers[$A].insn_code = CODE_FOR_$(vec_unpacku_lo_$a$)",
238 "vec_unpacks_float_hi_optab->handlers[$A].insn_code = CODE_FOR_$(vec_unpacks_float_hi_$a$)",
239 "vec_unpacks_float_lo_optab->handlers[$A].insn_code = CODE_FOR_$(vec_unpacks_float_lo_$a$)",
240 "vec_unpacku_float_hi_optab->handlers[$A].insn_code = CODE_FOR_$(vec_unpacku_float_hi_$a$)",
241 "vec_unpacku_float_lo_optab->handlers[$A].insn_code = CODE_FOR_$(vec_unpacku_float_lo_$a$)",
242 "vec_pack_trunc_optab->handlers[$A].insn_code = CODE_FOR_$(vec_pack_trunc_$a$)",
243 "vec_pack_ssat_optab->handlers[$A].insn_code = CODE_FOR_$(vec_pack_ssat_$a$)",
244 "vec_pack_usat_optab->handlers[$A].insn_code = CODE_FOR_$(vec_pack_usat_$a$)",
245 "vec_pack_sfix_trunc_optab->handlers[$A].insn_code = CODE_FOR_$(vec_pack_sfix_trunc_$a$)",
246 "vec_pack_ufix_trunc_optab->handlers[$A].insn_code = CODE_FOR_$(vec_pack_ufix_trunc_$a$)"
249 static void gen_insn (rtx);
254 const char *name = XSTR (insn, 0);
255 int m1 = 0, m2 = 0, op = 0;
258 const char *np, *pp, *p, *q;
260 /* Don't mention instructions whose names are the null string.
261 They are in the machine description just to be recognized. */
265 /* See if NAME matches one of the patterns we have for the optabs we know
268 for (pindex = 0; pindex < ARRAY_SIZE (optabs); pindex++)
270 int force_float = 0, force_int = 0, force_partial_int = 0;
271 int force_consec = 0;
274 for (pp = optabs[pindex]; pp[0] != '$' || pp[1] != '('; pp++)
277 for (pp += 2, np = name; matches && ! (pp[0] == '$' && pp[1] == ')');
295 force_partial_int = 1;
303 for (op = 0; op < NUM_RTX_CODE; op++)
305 for (p = GET_RTX_NAME(op), q = np; *p; p++, q++)
309 /* We have to be concerned about matching "gt" and
310 missing "gtu", e.g., so verify we have reached the
311 end of thing we are to match. */
312 if (*p == 0 && *q == 0
313 && (GET_RTX_CLASS (op) == RTX_COMPARE
314 || GET_RTX_CLASS (op) == RTX_COMM_COMPARE))
318 if (op == NUM_RTX_CODE)
321 np += strlen (GET_RTX_NAME(op));
325 /* This loop will stop at the first prefix match, so
326 look through the modes in reverse order, in case
327 there are extra CC modes and CC is a prefix of the
328 CC modes (as it should be). */
329 for (i = (MAX_MACHINE_MODE) - 1; i >= 0; i--)
331 for (p = GET_MODE_NAME(i), q = np; *p; p++, q++)
332 if (TOLOWER (*p) != *q)
336 && (! force_int || mode_class[i] == MODE_INT
337 || mode_class[i] == MODE_VECTOR_INT)
338 && (! force_partial_int
339 || mode_class[i] == MODE_INT
340 || mode_class[i] == MODE_PARTIAL_INT
341 || mode_class[i] == MODE_VECTOR_INT)
343 || mode_class[i] == MODE_FLOAT
344 || mode_class[i] == MODE_DECIMAL_FLOAT
345 || mode_class[i] == MODE_COMPLEX_FLOAT
346 || mode_class[i] == MODE_VECTOR_FLOAT))
353 m1 = i, np += strlen (GET_MODE_NAME(i));
355 m2 = i, np += strlen (GET_MODE_NAME(i));
357 force_int = force_partial_int = force_float = 0;
365 if (matches && pp[0] == '$' && pp[1] == ')'
367 && (! force_consec || (int) GET_MODE_WIDER_MODE(m1) == m2))
371 if (pindex == ARRAY_SIZE (optabs))
374 /* We found a match. If this pattern is only conditionally present,
375 write out the "if" and two extra blanks. */
377 if (*XSTR (insn, 2) != 0)
378 printf (" if (HAVE_%s)\n ", name);
382 /* Now write out the initialization, making all required substitutions. */
383 for (pp = optabs[pindex]; *pp; pp++)
391 case 'I': case 'F': case 'N':
394 if (SCALAR_FLOAT_MODE_P (m1))
398 for (np = GET_MODE_NAME(m1); *np; np++)
399 putchar (TOLOWER (*np));
402 for (np = GET_MODE_NAME(m2); *np; np++)
403 putchar (TOLOWER (*np));
406 printf ("%smode", GET_MODE_NAME(m1));
409 printf ("%smode", GET_MODE_NAME(m2));
412 printf ("%s", GET_RTX_NAME(op));
415 for (np = GET_RTX_NAME(op); *np; np++)
416 putchar (TOUPPER (*np));
424 extern int main (int, char **);
427 main (int argc, char **argv)
431 progname = "genopinit";
433 if (init_md_reader_args (argc, argv) != SUCCESS_EXIT_CODE)
434 return (FATAL_EXIT_CODE);
436 printf ("/* Generated automatically by the program `genopinit'\n\
437 from the machine description file `md'. */\n\n");
439 printf ("#include \"config.h\"\n");
440 printf ("#include \"system.h\"\n");
441 printf ("#include \"coretypes.h\"\n");
442 printf ("#include \"tm.h\"\n");
443 printf ("#include \"rtl.h\"\n");
444 printf ("#include \"flags.h\"\n");
445 printf ("#include \"insn-config.h\"\n");
446 printf ("#include \"recog.h\"\n");
447 printf ("#include \"expr.h\"\n");
448 printf ("#include \"optabs.h\"\n");
449 printf ("#include \"reload.h\"\n\n");
451 printf ("void\ninit_all_optabs (void)\n{\n");
454 #ifdef FIXUNS_TRUNC_LIKE_FIX_TRUNC\n\
458 /* Read the machine description. */
462 int line_no, insn_code_number = 0;
464 desc = read_md_rtx (&line_no, &insn_code_number);
468 if (GET_CODE (desc) == DEFINE_INSN || GET_CODE (desc) == DEFINE_EXPAND)
474 #ifdef FIXUNS_TRUNC_LIKE_FIX_TRUNC\n\
475 /* This flag says the same insns that convert to a signed fixnum\n\
476 also convert validly to an unsigned one. */\n\
477 for (i = 0; i < NUM_MACHINE_MODES; i++)\n\
478 for (j = 0; j < NUM_MACHINE_MODES; j++)\n\
479 ufixtrunc_optab->handlers[i][j].insn_code\n\
480 = sfixtrunc_optab->handlers[i][j].insn_code;\n\
485 return (ferror (stdout) != 0 ? FATAL_EXIT_CODE : SUCCESS_EXIT_CODE);