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[/] [openrisc/] [trunk/] [gnu-stable/] [gcc-4.5.1/] [gcc/] [genopinit.c] - Blame information for rev 816

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1 280 jeremybenn
/* Generate code to initialize optabs from machine description.
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   Copyright (C) 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000,
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   2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008
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   Free Software Foundation, Inc.
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This file is part of GCC.
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GCC is free software; you can redistribute it and/or modify it under
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the terms of the GNU General Public License as published by the Free
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Software Foundation; either version 3, or (at your option) any later
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version.
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GCC is distributed in the hope that it will be useful, but WITHOUT ANY
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WARRANTY; without even the implied warranty of MERCHANTABILITY or
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FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
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for more details.
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You should have received a copy of the GNU General Public License
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along with GCC; see the file COPYING3.  If not see
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<http://www.gnu.org/licenses/>.  */
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#include "bconfig.h"
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#include "system.h"
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#include "coretypes.h"
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#include "tm.h"
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#include "rtl.h"
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#include "errors.h"
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#include "gensupport.h"
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/* Many parts of GCC use arrays that are indexed by machine mode and
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   contain the insn codes for pattern in the MD file that perform a given
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   operation on operands of that mode.
35
 
36
   These patterns are present in the MD file with names that contain
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   the mode(s) used and the name of the operation.  This program
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   writes a function `init_all_optabs' that initializes the optabs with
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   all the insn codes of the relevant patterns present in the MD file.
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41
   This array contains a list of optabs that need to be initialized.  Within
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   each string, the name of the pattern to be matched against is delimited
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   with $( and $).  In the string, $a and $b are used to match a short mode
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   name (the part of the mode name not including `mode' and converted to
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   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
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   are replaced with the short form of the name, as above.
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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.
54
   $Q means that only fixed-point modes should be considered.
55
 
56
   $V means to emit 'v' if the first mode is a MODE_FLOAT mode.
57
 
58
   For some optabs, we store the operation by RTL codes.  These are only
59
   used for comparisons.  In that case, $c and $C are the lower-case and
60
   upper-case forms of the comparison, respectively.  */
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62
static const char * const optabs[] =
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{ "convert_optab_handler (sext_optab, $B, $A)->insn_code = CODE_FOR_$(extend$a$b2$)",
64
  "convert_optab_handler (zext_optab, $B, $A)->insn_code = CODE_FOR_$(zero_extend$a$b2$)",
65
  "convert_optab_handler (sfix_optab, $B, $A)->insn_code = CODE_FOR_$(fix$F$a$I$b2$)",
66
  "convert_optab_handler (ufix_optab, $B, $A)->insn_code = CODE_FOR_$(fixuns$F$a$b2$)",
67
  "convert_optab_handler (sfixtrunc_optab, $B, $A)->insn_code = CODE_FOR_$(fix_trunc$F$a$I$b2$)",
68
  "convert_optab_handler (ufixtrunc_optab, $B, $A)->insn_code = CODE_FOR_$(fixuns_trunc$F$a$I$b2$)",
69
  "convert_optab_handler (sfloat_optab, $B, $A)->insn_code = CODE_FOR_$(float$I$a$F$b2$)",
70
  "convert_optab_handler (ufloat_optab, $B, $A)->insn_code = CODE_FOR_$(floatuns$I$a$F$b2$)",
71
  "convert_optab_handler (trunc_optab, $B, $A)->insn_code = CODE_FOR_$(trunc$a$b2$)",
72
  "convert_optab_handler (fract_optab, $B, $A)->insn_code = CODE_FOR_$(fract$a$b2$)",
73
  "convert_optab_handler (fractuns_optab, $B, $A)->insn_code = CODE_FOR_$(fractuns$I$a$Q$b2$)",
74
  "convert_optab_handler (fractuns_optab, $B, $A)->insn_code = CODE_FOR_$(fractuns$Q$a$I$b2$)",
75
  "convert_optab_handler (satfract_optab, $B, $A)->insn_code = CODE_FOR_$(satfract$a$Q$b2$)",
76
  "convert_optab_handler (satfractuns_optab, $B, $A)->insn_code = CODE_FOR_$(satfractuns$I$a$Q$b2$)",
77
  "optab_handler (add_optab, $A)->insn_code = CODE_FOR_$(add$P$a3$)",
78
  "optab_handler (addv_optab, $A)->insn_code =\n\
79
    optab_handler (add_optab, $A)->insn_code = CODE_FOR_$(add$F$a3$)",
80
  "optab_handler (addv_optab, $A)->insn_code = CODE_FOR_$(addv$I$a3$)",
81
  "optab_handler (add_optab, $A)->insn_code = CODE_FOR_$(add$Q$a3$)",
82
  "optab_handler (ssadd_optab, $A)->insn_code = CODE_FOR_$(ssadd$Q$a3$)",
83
  "optab_handler (usadd_optab, $A)->insn_code = CODE_FOR_$(usadd$Q$a3$)",
84
  "optab_handler (sub_optab, $A)->insn_code = CODE_FOR_$(sub$P$a3$)",
85
  "optab_handler (subv_optab, $A)->insn_code =\n\
86
    optab_handler (sub_optab, $A)->insn_code = CODE_FOR_$(sub$F$a3$)",
87
  "optab_handler (subv_optab, $A)->insn_code = CODE_FOR_$(subv$I$a3$)",
88
  "optab_handler (sub_optab, $A)->insn_code = CODE_FOR_$(sub$Q$a3$)",
89
  "optab_handler (sssub_optab, $A)->insn_code = CODE_FOR_$(sssub$Q$a3$)",
90
  "optab_handler (ussub_optab, $A)->insn_code = CODE_FOR_$(ussub$Q$a3$)",
91
  "optab_handler (smul_optab, $A)->insn_code = CODE_FOR_$(mul$Q$a3$)",
92
  "optab_handler (ssmul_optab, $A)->insn_code = CODE_FOR_$(ssmul$Q$a3$)",
93
  "optab_handler (usmul_optab, $A)->insn_code = CODE_FOR_$(usmul$Q$a3$)",
94
  "optab_handler (smul_optab, $A)->insn_code = CODE_FOR_$(mul$P$a3$)",
95
  "optab_handler (smulv_optab, $A)->insn_code =\n\
96
    optab_handler (smul_optab, $A)->insn_code = CODE_FOR_$(mul$F$a3$)",
97
  "optab_handler (smulv_optab, $A)->insn_code = CODE_FOR_$(mulv$I$a3$)",
98
  "optab_handler (umul_highpart_optab, $A)->insn_code = CODE_FOR_$(umul$a3_highpart$)",
99
  "optab_handler (smul_highpart_optab, $A)->insn_code = CODE_FOR_$(smul$a3_highpart$)",
100
  "optab_handler (smul_widen_optab, $B)->insn_code = CODE_FOR_$(mul$a$b3$)$N",
101
  "optab_handler (umul_widen_optab, $B)->insn_code = CODE_FOR_$(umul$a$b3$)$N",
102
  "optab_handler (usmul_widen_optab, $B)->insn_code = CODE_FOR_$(usmul$a$b3$)$N",
103
  "optab_handler (smadd_widen_optab, $B)->insn_code = CODE_FOR_$(madd$a$b4$)$N",
104
  "optab_handler (umadd_widen_optab, $B)->insn_code = CODE_FOR_$(umadd$a$b4$)$N",
105
  "optab_handler (ssmadd_widen_optab, $B)->insn_code = CODE_FOR_$(ssmadd$a$b4$)$N",
106
  "optab_handler (usmadd_widen_optab, $B)->insn_code = CODE_FOR_$(usmadd$a$b4$)$N",
107
  "optab_handler (smsub_widen_optab, $B)->insn_code = CODE_FOR_$(msub$a$b4$)$N",
108
  "optab_handler (umsub_widen_optab, $B)->insn_code = CODE_FOR_$(umsub$a$b4$)$N",
109
  "optab_handler (ssmsub_widen_optab, $B)->insn_code = CODE_FOR_$(ssmsub$a$b4$)$N",
110
  "optab_handler (usmsub_widen_optab, $B)->insn_code = CODE_FOR_$(usmsub$a$b4$)$N",
111
  "optab_handler (sdiv_optab, $A)->insn_code = CODE_FOR_$(div$a3$)",
112
  "optab_handler (ssdiv_optab, $A)->insn_code = CODE_FOR_$(ssdiv$Q$a3$)",
113
  "optab_handler (sdivv_optab, $A)->insn_code = CODE_FOR_$(div$V$I$a3$)",
114
  "optab_handler (udiv_optab, $A)->insn_code = CODE_FOR_$(udiv$I$a3$)",
115
  "optab_handler (udiv_optab, $A)->insn_code = CODE_FOR_$(udiv$Q$a3$)",
116
  "optab_handler (usdiv_optab, $A)->insn_code = CODE_FOR_$(usdiv$Q$a3$)",
117
  "optab_handler (sdivmod_optab, $A)->insn_code = CODE_FOR_$(divmod$a4$)",
118
  "optab_handler (udivmod_optab, $A)->insn_code = CODE_FOR_$(udivmod$a4$)",
119
  "optab_handler (smod_optab, $A)->insn_code = CODE_FOR_$(mod$a3$)",
120
  "optab_handler (umod_optab, $A)->insn_code = CODE_FOR_$(umod$a3$)",
121
  "optab_handler (fmod_optab, $A)->insn_code = CODE_FOR_$(fmod$a3$)",
122
  "optab_handler (remainder_optab, $A)->insn_code = CODE_FOR_$(remainder$a3$)",
123
  "optab_handler (ftrunc_optab, $A)->insn_code = CODE_FOR_$(ftrunc$F$a2$)",
124
  "optab_handler (and_optab, $A)->insn_code = CODE_FOR_$(and$a3$)",
125
  "optab_handler (ior_optab, $A)->insn_code = CODE_FOR_$(ior$a3$)",
126
  "optab_handler (xor_optab, $A)->insn_code = CODE_FOR_$(xor$a3$)",
127
  "optab_handler (ashl_optab, $A)->insn_code = CODE_FOR_$(ashl$a3$)",
128
  "optab_handler (ssashl_optab, $A)->insn_code = CODE_FOR_$(ssashl$Q$a3$)",
129
  "optab_handler (usashl_optab, $A)->insn_code = CODE_FOR_$(usashl$Q$a3$)",
130
  "optab_handler (ashr_optab, $A)->insn_code = CODE_FOR_$(ashr$a3$)",
131
  "optab_handler (lshr_optab, $A)->insn_code = CODE_FOR_$(lshr$a3$)",
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  "optab_handler (rotl_optab, $A)->insn_code = CODE_FOR_$(rotl$a3$)",
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  "optab_handler (rotr_optab, $A)->insn_code = CODE_FOR_$(rotr$a3$)",
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  "optab_handler (vashr_optab, $A)->insn_code = CODE_FOR_$(vashr$a3$)",
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  "optab_handler (vlshr_optab, $A)->insn_code = CODE_FOR_$(vlshr$a3$)",
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  "optab_handler (vashl_optab, $A)->insn_code = CODE_FOR_$(vashl$a3$)",
137
  "optab_handler (vrotl_optab, $A)->insn_code = CODE_FOR_$(vrotl$a3$)",
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  "optab_handler (vrotr_optab, $A)->insn_code = CODE_FOR_$(vrotr$a3$)",
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  "optab_handler (smin_optab, $A)->insn_code = CODE_FOR_$(smin$a3$)",
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  "optab_handler (smax_optab, $A)->insn_code = CODE_FOR_$(smax$a3$)",
141
  "optab_handler (umin_optab, $A)->insn_code = CODE_FOR_$(umin$I$a3$)",
142
  "optab_handler (umax_optab, $A)->insn_code = CODE_FOR_$(umax$I$a3$)",
143
  "optab_handler (pow_optab, $A)->insn_code = CODE_FOR_$(pow$a3$)",
144
  "optab_handler (atan2_optab, $A)->insn_code = CODE_FOR_$(atan2$a3$)",
145
  "optab_handler (neg_optab, $A)->insn_code = CODE_FOR_$(neg$P$a2$)",
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  "optab_handler (negv_optab, $A)->insn_code =\n\
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    optab_handler (neg_optab, $A)->insn_code = CODE_FOR_$(neg$F$a2$)",
148
  "optab_handler (negv_optab, $A)->insn_code = CODE_FOR_$(negv$I$a2$)",
149
  "optab_handler (neg_optab, $A)->insn_code = CODE_FOR_$(neg$Q$a2$)",
150
  "optab_handler (ssneg_optab, $A)->insn_code = CODE_FOR_$(ssneg$Q$a2$)",
151
  "optab_handler (usneg_optab, $A)->insn_code = CODE_FOR_$(usneg$Q$a2$)",
152
  "optab_handler (abs_optab, $A)->insn_code = CODE_FOR_$(abs$P$a2$)",
153
  "optab_handler (absv_optab, $A)->insn_code =\n\
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    optab_handler (abs_optab, $A)->insn_code = CODE_FOR_$(abs$F$a2$)",
155
  "optab_handler (absv_optab, $A)->insn_code = CODE_FOR_$(absv$I$a2$)",
156
  "optab_handler (copysign_optab, $A)->insn_code = CODE_FOR_$(copysign$F$a3$)",
157
  "optab_handler (signbit_optab, $A)->insn_code = CODE_FOR_$(signbit$F$a2$)",
158
  "optab_handler (isinf_optab, $A)->insn_code = CODE_FOR_$(isinf$a2$)",
159
  "optab_handler (sqrt_optab, $A)->insn_code = CODE_FOR_$(sqrt$a2$)",
160
  "optab_handler (floor_optab, $A)->insn_code = CODE_FOR_$(floor$a2$)",
161
  "convert_optab_handler (lfloor_optab, $B, $A)->insn_code = CODE_FOR_$(lfloor$F$a$I$b2$)",
162
  "optab_handler (ceil_optab, $A)->insn_code = CODE_FOR_$(ceil$a2$)",
163
  "convert_optab_handler (lceil_optab, $B, $A)->insn_code = CODE_FOR_$(lceil$F$a$I$b2$)",
164
  "optab_handler (round_optab, $A)->insn_code = CODE_FOR_$(round$a2$)",
165
  "optab_handler (btrunc_optab, $A)->insn_code = CODE_FOR_$(btrunc$a2$)",
166
  "optab_handler (nearbyint_optab, $A)->insn_code = CODE_FOR_$(nearbyint$a2$)",
167
  "optab_handler (rint_optab, $A)->insn_code = CODE_FOR_$(rint$a2$)",
168
  "convert_optab_handler (lrint_optab, $B, $A)->insn_code = CODE_FOR_$(lrint$F$a$I$b2$)",
169
  "convert_optab_handler (lround_optab, $B, $A)->insn_code = CODE_FOR_$(lround$F$a$I$b2$)",
170
  "optab_handler (sincos_optab, $A)->insn_code = CODE_FOR_$(sincos$a3$)",
171
  "optab_handler (sin_optab, $A)->insn_code = CODE_FOR_$(sin$a2$)",
172
  "optab_handler (asin_optab, $A)->insn_code = CODE_FOR_$(asin$a2$)",
173
  "optab_handler (cos_optab, $A)->insn_code = CODE_FOR_$(cos$a2$)",
174
  "optab_handler (acos_optab, $A)->insn_code = CODE_FOR_$(acos$a2$)",
175
  "optab_handler (exp_optab, $A)->insn_code = CODE_FOR_$(exp$a2$)",
176
  "optab_handler (exp10_optab, $A)->insn_code = CODE_FOR_$(exp10$a2$)",
177
  "optab_handler (exp2_optab, $A)->insn_code = CODE_FOR_$(exp2$a2$)",
178
  "optab_handler (expm1_optab, $A)->insn_code = CODE_FOR_$(expm1$a2$)",
179
  "optab_handler (ldexp_optab, $A)->insn_code = CODE_FOR_$(ldexp$a3$)",
180
  "optab_handler (scalb_optab, $A)->insn_code = CODE_FOR_$(scalb$a3$)",
181
  "optab_handler (significand_optab, $A)->insn_code = CODE_FOR_$(significand$a2$)",
182
  "optab_handler (logb_optab, $A)->insn_code = CODE_FOR_$(logb$a2$)",
183
  "optab_handler (ilogb_optab, $A)->insn_code = CODE_FOR_$(ilogb$a2$)",
184
  "optab_handler (log_optab, $A)->insn_code = CODE_FOR_$(log$a2$)",
185
  "optab_handler (log10_optab, $A)->insn_code = CODE_FOR_$(log10$a2$)",
186
  "optab_handler (log2_optab, $A)->insn_code = CODE_FOR_$(log2$a2$)",
187
  "optab_handler (log1p_optab, $A)->insn_code = CODE_FOR_$(log1p$a2$)",
188
  "optab_handler (tan_optab, $A)->insn_code = CODE_FOR_$(tan$a2$)",
189
  "optab_handler (atan_optab, $A)->insn_code = CODE_FOR_$(atan$a2$)",
190
  "optab_handler (strlen_optab, $A)->insn_code = CODE_FOR_$(strlen$a$)",
191
  "optab_handler (one_cmpl_optab, $A)->insn_code = CODE_FOR_$(one_cmpl$a2$)",
192
  "optab_handler (bswap_optab, $A)->insn_code = CODE_FOR_$(bswap$a2$)",
193
  "optab_handler (ffs_optab, $A)->insn_code = CODE_FOR_$(ffs$a2$)",
194
  "optab_handler (clz_optab, $A)->insn_code = CODE_FOR_$(clz$a2$)",
195
  "optab_handler (ctz_optab, $A)->insn_code = CODE_FOR_$(ctz$a2$)",
196
  "optab_handler (popcount_optab, $A)->insn_code = CODE_FOR_$(popcount$a2$)",
197
  "optab_handler (parity_optab, $A)->insn_code = CODE_FOR_$(parity$a2$)",
198
  "optab_handler (mov_optab, $A)->insn_code = CODE_FOR_$(mov$a$)",
199
  "optab_handler (movstrict_optab, $A)->insn_code = CODE_FOR_$(movstrict$a$)",
200
  "optab_handler (movmisalign_optab, $A)->insn_code = CODE_FOR_$(movmisalign$a$)",
201
  "optab_handler (storent_optab, $A)->insn_code = CODE_FOR_$(storent$a$)",
202
  "optab_handler (addcc_optab, $A)->insn_code = CODE_FOR_$(add$acc$)",
203
  "movcc_gen_code[$A] = CODE_FOR_$(mov$acc$)",
204
  "optab_handler (cbranch_optab, $A)->insn_code = CODE_FOR_$(cbranch$a4$)",
205
  "optab_handler (cmov_optab, $A)->insn_code = CODE_FOR_$(cmov$a6$)",
206
  "optab_handler (cstore_optab, $A)->insn_code = CODE_FOR_$(cstore$a4$)",
207
  "optab_handler (ctrap_optab, $A)->insn_code = CODE_FOR_$(ctrap$a4$)",
208
  "optab_handler (push_optab, $A)->insn_code = CODE_FOR_$(push$a1$)",
209
  "reload_in_optab[$A] = CODE_FOR_$(reload_in$a$)",
210
  "reload_out_optab[$A] = CODE_FOR_$(reload_out$a$)",
211
  "movmem_optab[$A] = CODE_FOR_$(movmem$a$)",
212
  "cmpstr_optab[$A] = CODE_FOR_$(cmpstr$a$)",
213
  "cmpstrn_optab[$A] = CODE_FOR_$(cmpstrn$a$)",
214
  "cmpmem_optab[$A] = CODE_FOR_$(cmpmem$a$)",
215
  "setmem_optab[$A] = CODE_FOR_$(setmem$a$)",
216
  "sync_add_optab[$A] = CODE_FOR_$(sync_add$I$a$)",
217
  "sync_sub_optab[$A] = CODE_FOR_$(sync_sub$I$a$)",
218
  "sync_ior_optab[$A] = CODE_FOR_$(sync_ior$I$a$)",
219
  "sync_and_optab[$A] = CODE_FOR_$(sync_and$I$a$)",
220
  "sync_xor_optab[$A] = CODE_FOR_$(sync_xor$I$a$)",
221
  "sync_nand_optab[$A] = CODE_FOR_$(sync_nand$I$a$)",
222
  "sync_old_add_optab[$A] = CODE_FOR_$(sync_old_add$I$a$)",
223
  "sync_old_sub_optab[$A] = CODE_FOR_$(sync_old_sub$I$a$)",
224
  "sync_old_ior_optab[$A] = CODE_FOR_$(sync_old_ior$I$a$)",
225
  "sync_old_and_optab[$A] = CODE_FOR_$(sync_old_and$I$a$)",
226
  "sync_old_xor_optab[$A] = CODE_FOR_$(sync_old_xor$I$a$)",
227
  "sync_old_nand_optab[$A] = CODE_FOR_$(sync_old_nand$I$a$)",
228
  "sync_new_add_optab[$A] = CODE_FOR_$(sync_new_add$I$a$)",
229
  "sync_new_sub_optab[$A] = CODE_FOR_$(sync_new_sub$I$a$)",
230
  "sync_new_ior_optab[$A] = CODE_FOR_$(sync_new_ior$I$a$)",
231
  "sync_new_and_optab[$A] = CODE_FOR_$(sync_new_and$I$a$)",
232
  "sync_new_xor_optab[$A] = CODE_FOR_$(sync_new_xor$I$a$)",
233
  "sync_new_nand_optab[$A] = CODE_FOR_$(sync_new_nand$I$a$)",
234
  "sync_compare_and_swap[$A] = CODE_FOR_$(sync_compare_and_swap$I$a$)",
235
  "sync_lock_test_and_set[$A] = CODE_FOR_$(sync_lock_test_and_set$I$a$)",
236
  "sync_lock_release[$A] = CODE_FOR_$(sync_lock_release$I$a$)",
237
  "optab_handler (vec_set_optab, $A)->insn_code = CODE_FOR_$(vec_set$a$)",
238
  "optab_handler (vec_extract_optab, $A)->insn_code = CODE_FOR_$(vec_extract$a$)",
239
  "optab_handler (vec_extract_even_optab, $A)->insn_code = CODE_FOR_$(vec_extract_even$a$)",
240
  "optab_handler (vec_extract_odd_optab, $A)->insn_code = CODE_FOR_$(vec_extract_odd$a$)",
241
  "optab_handler (vec_interleave_high_optab, $A)->insn_code = CODE_FOR_$(vec_interleave_high$a$)",
242
  "optab_handler (vec_interleave_low_optab, $A)->insn_code = CODE_FOR_$(vec_interleave_low$a$)",
243
  "optab_handler (vec_init_optab, $A)->insn_code = CODE_FOR_$(vec_init$a$)",
244
  "optab_handler (vec_shl_optab, $A)->insn_code = CODE_FOR_$(vec_shl_$a$)",
245
  "optab_handler (vec_shr_optab, $A)->insn_code = CODE_FOR_$(vec_shr_$a$)",
246
  "optab_handler (vec_realign_load_optab, $A)->insn_code = CODE_FOR_$(vec_realign_load_$a$)",
247
  "vcond_gen_code[$A] = CODE_FOR_$(vcond$a$)",
248
  "vcondu_gen_code[$A] = CODE_FOR_$(vcondu$a$)",
249
  "optab_handler (ssum_widen_optab, $A)->insn_code = CODE_FOR_$(widen_ssum$I$a3$)",
250
  "optab_handler (usum_widen_optab, $A)->insn_code = CODE_FOR_$(widen_usum$I$a3$)",
251
  "optab_handler (udot_prod_optab, $A)->insn_code = CODE_FOR_$(udot_prod$I$a$)",
252
  "optab_handler (sdot_prod_optab, $A)->insn_code = CODE_FOR_$(sdot_prod$I$a$)",
253
  "optab_handler (reduc_smax_optab, $A)->insn_code = CODE_FOR_$(reduc_smax_$a$)",
254
  "optab_handler (reduc_umax_optab, $A)->insn_code = CODE_FOR_$(reduc_umax_$a$)",
255
  "optab_handler (reduc_smin_optab, $A)->insn_code = CODE_FOR_$(reduc_smin_$a$)",
256
  "optab_handler (reduc_umin_optab, $A)->insn_code = CODE_FOR_$(reduc_umin_$a$)",
257
  "optab_handler (reduc_splus_optab, $A)->insn_code = CODE_FOR_$(reduc_splus_$a$)" ,
258
  "optab_handler (reduc_uplus_optab, $A)->insn_code = CODE_FOR_$(reduc_uplus_$a$)",
259
  "optab_handler (vec_widen_umult_hi_optab, $A)->insn_code = CODE_FOR_$(vec_widen_umult_hi_$a$)",
260
  "optab_handler (vec_widen_umult_lo_optab, $A)->insn_code = CODE_FOR_$(vec_widen_umult_lo_$a$)",
261
  "optab_handler (vec_widen_smult_hi_optab, $A)->insn_code = CODE_FOR_$(vec_widen_smult_hi_$a$)",
262
  "optab_handler (vec_widen_smult_lo_optab, $A)->insn_code = CODE_FOR_$(vec_widen_smult_lo_$a$)",
263
  "optab_handler (vec_unpacks_hi_optab, $A)->insn_code = CODE_FOR_$(vec_unpacks_hi_$a$)",
264
  "optab_handler (vec_unpacks_lo_optab, $A)->insn_code = CODE_FOR_$(vec_unpacks_lo_$a$)",
265
  "optab_handler (vec_unpacku_hi_optab, $A)->insn_code = CODE_FOR_$(vec_unpacku_hi_$a$)",
266
  "optab_handler (vec_unpacku_lo_optab, $A)->insn_code = CODE_FOR_$(vec_unpacku_lo_$a$)",
267
  "optab_handler (vec_unpacks_float_hi_optab, $A)->insn_code = CODE_FOR_$(vec_unpacks_float_hi_$a$)",
268
  "optab_handler (vec_unpacks_float_lo_optab, $A)->insn_code = CODE_FOR_$(vec_unpacks_float_lo_$a$)",
269
  "optab_handler (vec_unpacku_float_hi_optab, $A)->insn_code = CODE_FOR_$(vec_unpacku_float_hi_$a$)",
270
  "optab_handler (vec_unpacku_float_lo_optab, $A)->insn_code = CODE_FOR_$(vec_unpacku_float_lo_$a$)",
271
  "optab_handler (vec_pack_trunc_optab, $A)->insn_code = CODE_FOR_$(vec_pack_trunc_$a$)",
272
  "optab_handler (vec_pack_ssat_optab, $A)->insn_code = CODE_FOR_$(vec_pack_ssat_$a$)",
273
  "optab_handler (vec_pack_usat_optab, $A)->insn_code = CODE_FOR_$(vec_pack_usat_$a$)",
274
  "optab_handler (vec_pack_sfix_trunc_optab, $A)->insn_code = CODE_FOR_$(vec_pack_sfix_trunc_$a$)",
275
  "optab_handler (vec_pack_ufix_trunc_optab, $A)->insn_code = CODE_FOR_$(vec_pack_ufix_trunc_$a$)"
276
};
277
 
278
static void gen_insn (rtx);
279
 
280
static void
281
gen_insn (rtx insn)
282
{
283
  const char *name = XSTR (insn, 0);
284
  int m1 = 0, m2 = 0, op = 0;
285
  size_t pindex;
286
  int i;
287
  const char *np, *pp, *p, *q;
288
 
289
  /* Don't mention instructions whose names are the null string.
290
     They are in the machine description just to be recognized.  */
291
  if (*name == 0)
292
    return;
293
 
294
  /* See if NAME matches one of the patterns we have for the optabs we know
295
     about.  */
296
 
297
  for (pindex = 0; pindex < ARRAY_SIZE (optabs); pindex++)
298
    {
299
      int force_float = 0, force_int = 0, force_partial_int = 0;
300
      int force_fixed = 0;
301
      int force_consec = 0;
302
      int matches = 1;
303
 
304
      for (pp = optabs[pindex]; pp[0] != '$' || pp[1] != '('; pp++)
305
        ;
306
 
307
      for (pp += 2, np = name; matches && ! (pp[0] == '$' && pp[1] == ')');
308
           pp++)
309
        {
310
          if (*pp != '$')
311
            {
312
              if (*pp != *np++)
313
                break;
314
            }
315
          else
316
            switch (*++pp)
317
              {
318
              case 'N':
319
                force_consec = 1;
320
                break;
321
              case 'I':
322
                force_int = 1;
323
                break;
324
              case 'P':
325
                force_partial_int = 1;
326
                break;
327
              case 'F':
328
                force_float = 1;
329
                break;
330
              case 'Q':
331
                force_fixed = 1;
332
                break;
333
              case 'V':
334
                break;
335
              case 'c':
336
                for (op = 0; op < NUM_RTX_CODE; op++)
337
                  {
338
                    for (p = GET_RTX_NAME(op), q = np; *p; p++, q++)
339
                      if (*p != *q)
340
                        break;
341
 
342
                    /* We have to be concerned about matching "gt" and
343
                       missing "gtu", e.g., so verify we have reached the
344
                       end of thing we are to match.  */
345
                    if (*p == 0 && *q == 0
346
                        && (GET_RTX_CLASS (op) == RTX_COMPARE
347
                            || GET_RTX_CLASS (op) == RTX_COMM_COMPARE))
348
                      break;
349
                  }
350
 
351
                if (op == NUM_RTX_CODE)
352
                  matches = 0;
353
                else
354
                  np += strlen (GET_RTX_NAME(op));
355
                break;
356
              case 'a':
357
              case 'b':
358
                /* This loop will stop at the first prefix match, so
359
                   look through the modes in reverse order, in case
360
                   there are extra CC modes and CC is a prefix of the
361
                   CC modes (as it should be).  */
362
                for (i = (MAX_MACHINE_MODE) - 1; i >= 0; i--)
363
                  {
364
                    for (p = GET_MODE_NAME(i), q = np; *p; p++, q++)
365
                      if (TOLOWER (*p) != *q)
366
                        break;
367
 
368
                    if (*p == 0
369
                        && (! force_int || mode_class[i] == MODE_INT
370
                            || mode_class[i] == MODE_VECTOR_INT)
371
                        && (! force_partial_int
372
                            || mode_class[i] == MODE_INT
373
                            || mode_class[i] == MODE_PARTIAL_INT
374
                            || mode_class[i] == MODE_VECTOR_INT)
375
                        && (! force_float
376
                            || mode_class[i] == MODE_FLOAT
377
                            || mode_class[i] == MODE_DECIMAL_FLOAT
378
                            || mode_class[i] == MODE_COMPLEX_FLOAT
379
                            || mode_class[i] == MODE_VECTOR_FLOAT)
380
                        && (! force_fixed
381
                            || mode_class[i] == MODE_FRACT
382
                            || mode_class[i] == MODE_UFRACT
383
                            || mode_class[i] == MODE_ACCUM
384
                            || mode_class[i] == MODE_UACCUM
385
                            || mode_class[i] == MODE_VECTOR_FRACT
386
                            || mode_class[i] == MODE_VECTOR_UFRACT
387
                            || mode_class[i] == MODE_VECTOR_ACCUM
388
                            || mode_class[i] == MODE_VECTOR_UACCUM))
389
                      break;
390
                  }
391
 
392
                if (i < 0)
393
                  matches = 0;
394
                else if (*pp == 'a')
395
                  m1 = i, np += strlen (GET_MODE_NAME(i));
396
                else
397
                  m2 = i, np += strlen (GET_MODE_NAME(i));
398
 
399
                force_int = force_partial_int = force_float = force_fixed = 0;
400
                break;
401
 
402
              default:
403
                gcc_unreachable ();
404
              }
405
        }
406
 
407
      if (matches && pp[0] == '$' && pp[1] == ')'
408
          && *np == 0
409
          && (! force_consec || (int) GET_MODE_WIDER_MODE(m1) == m2))
410
        break;
411
    }
412
 
413
  if (pindex == ARRAY_SIZE (optabs))
414
    return;
415
 
416
  /* We found a match.  If this pattern is only conditionally present,
417
     write out the "if" and two extra blanks.  */
418
 
419
  if (*XSTR (insn, 2) != 0)
420
    printf ("  if (HAVE_%s)\n  ", name);
421
 
422
  printf ("  ");
423
 
424
  /* Now write out the initialization, making all required substitutions.  */
425
  for (pp = optabs[pindex]; *pp; pp++)
426
    {
427
      if (*pp != '$')
428
        putchar (*pp);
429
      else
430
        switch (*++pp)
431
          {
432
          case '(':  case ')':
433
          case 'I':  case 'F':  case 'N':
434
            break;
435
          case 'V':
436
            if (SCALAR_FLOAT_MODE_P (m1))
437
              printf ("v");
438
            break;
439
          case 'a':
440
            for (np = GET_MODE_NAME(m1); *np; np++)
441
              putchar (TOLOWER (*np));
442
            break;
443
          case 'b':
444
            for (np = GET_MODE_NAME(m2); *np; np++)
445
              putchar (TOLOWER (*np));
446
            break;
447
          case 'A':
448
            printf ("%smode", GET_MODE_NAME(m1));
449
            break;
450
          case 'B':
451
            printf ("%smode", GET_MODE_NAME(m2));
452
            break;
453
          case 'c':
454
            printf ("%s", GET_RTX_NAME(op));
455
            break;
456
          case 'C':
457
            for (np = GET_RTX_NAME(op); *np; np++)
458
              putchar (TOUPPER (*np));
459
            break;
460
          }
461
    }
462
 
463
  printf (";\n");
464
}
465
 
466
extern int main (int, char **);
467
 
468
int
469
main (int argc, char **argv)
470
{
471
  rtx desc;
472
 
473
  progname = "genopinit";
474
 
475
  if (init_md_reader_args (argc, argv) != SUCCESS_EXIT_CODE)
476
    return (FATAL_EXIT_CODE);
477
 
478
  printf ("/* Generated automatically by the program `genopinit'\n\
479
from the machine description file `md'.  */\n\n");
480
 
481
  printf ("#include \"config.h\"\n");
482
  printf ("#include \"system.h\"\n");
483
  printf ("#include \"coretypes.h\"\n");
484
  printf ("#include \"tm.h\"\n");
485
  printf ("#include \"rtl.h\"\n");
486
  printf ("#include \"tm_p.h\"\n");
487
  printf ("#include \"flags.h\"\n");
488
  printf ("#include \"insn-config.h\"\n");
489
  printf ("#include \"recog.h\"\n");
490
  printf ("#include \"expr.h\"\n");
491
  printf ("#include \"optabs.h\"\n");
492
  printf ("#include \"reload.h\"\n\n");
493
 
494
  printf ("void\ninit_all_optabs (void)\n{\n");
495
 
496
  puts ("\
497
#ifdef FIXUNS_TRUNC_LIKE_FIX_TRUNC\n\
498
  int i, j;\n\
499
#endif\n");
500
 
501
  /* Read the machine description.  */
502
 
503
  while (1)
504
    {
505
      int line_no, insn_code_number = 0;
506
 
507
      desc = read_md_rtx (&line_no, &insn_code_number);
508
      if (desc == NULL)
509
        break;
510
 
511
      if (GET_CODE (desc) == DEFINE_INSN || GET_CODE (desc) == DEFINE_EXPAND)
512
        gen_insn (desc);
513
    }
514
 
515
  puts ("\
516
\n\
517
#ifdef FIXUNS_TRUNC_LIKE_FIX_TRUNC\n\
518
  /* This flag says the same insns that convert to a signed fixnum\n\
519
     also convert validly to an unsigned one.  */\n\
520
  for (i = 0; i < NUM_MACHINE_MODES; i++)\n\
521
    for (j = 0; j < NUM_MACHINE_MODES; j++)\n\
522
      convert_optab_handler (ufixtrunc_optab, i, j)->insn_code\n\
523
      = convert_optab_handler (sfixtrunc_optab, i, j)->insn_code;\n\
524
#endif\n\
525
}");
526
 
527
  fflush (stdout);
528
  return (ferror (stdout) != 0 ? FATAL_EXIT_CODE : SUCCESS_EXIT_CODE);
529
}

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