1 /* Definitions of C specific functions for GNU compiler.
2    Copyright (C) 2002-2020 Free Software Foundation, Inc.
3    Contributed by Steve Ellcey <sje@cup.hp.com>
4 
5 This file is part of GCC.
6 
7 GCC is free software; you can redistribute it and/or modify
8 it under the terms of the GNU General Public License as published by
9 the Free Software Foundation; either version 3, or (at your option)
10 any later version.
11 
12 GCC is distributed in the hope that it will be useful,
13 but WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
15 GNU General Public License for more details.
16 
17 You should have received a copy of the GNU General Public License
18 along with GCC; see the file COPYING3.  If not see
19 <http://www.gnu.org/licenses/>.  */
20 
21 #define IN_TARGET_CODE 1
22 
23 #include "config.h"
24 #include "system.h"
25 #include "coretypes.h"
26 #include "tm.h"
27 #include "c-family/c-common.h"
28 #include "stringpool.h"
29 #include "c-family/c-pragma.h"
30 
31 static void ia64_hpux_add_pragma_builtin (tree func);
32 
33 void
ia64_hpux_handle_builtin_pragma(cpp_reader * pfile ATTRIBUTE_UNUSED)34 ia64_hpux_handle_builtin_pragma (cpp_reader *pfile ATTRIBUTE_UNUSED)
35 {
36   /* #pragma builtin name, name, name */
37 
38   enum cpp_ttype type;
39   tree x;
40 
41   type = pragma_lex (&x);
42   while (type == CPP_NAME)
43     {
44       ia64_hpux_add_pragma_builtin (x);
45       type = pragma_lex (&x);
46       if (type == CPP_COMMA)
47 	type = pragma_lex (&x);
48     }
49   if (type != CPP_EOF)
50     warning (OPT_Wpragmas, "malformed #pragma builtin");
51 }
52 
53 /* List of standard math functions which do not set matherr by default
54    and which have a different version which does set errno and which we
55    want to call *if* we have seen an extern for the routine and we have
56    asked for strict C89 compatibility.  */
57 
58 typedef struct c89_mathlib_names
59 {
60         const char *realname; /* User visible function name.  */
61         const char *c89name;  /* libm special name needed to set errno.  */
62 } c89_mathlib_names;
63 
64 static const c89_mathlib_names c89_mathlib_name_list [] =
65 {
66 	{"acos", "_Acos_e#"},
67 	{"acosd", "_Acosd_e#"},
68 	{"acosdf", "_Acosdf_e#"},
69 	{"acosdl", "_Acosdl_e#"},
70 	{"acosdw", "_Acosdw_e#"},
71 	{"acosf", "_Acosf_e#"},
72 	{"acosh", "_Acosh_e#"},
73 	{"acoshf", "_Acoshf_e#"},
74 	{"acoshl", "_Acoshl_e#"},
75 	{"acoshw", "_Acoshw_e#"},
76 	{"acosl", "_Acosl_e#"},
77 	{"acosw", "_Acosw_e#"},
78 	{"asin", "_Asin_e#"},
79 	{"asind", "_Asind_e#"},
80 	{"asindf", "_Asindf_e#"},
81 	{"asindl", "_Asindl_e#"},
82 	{"asindw", "_Asindw_e#"},
83 	{"asinf", "_Asinf_e#"},
84 	{"asinl", "_Asinl_e#"},
85 	{"asinw", "_Asinw_e#"},
86 	{"atanh", "_Atanh_e#"},
87 	{"atanhf", "_Atanhf_e#"},
88 	{"atanhl", "_Atanhl_e#"},
89 	{"atanhw", "_Atanhw_e#"},
90 	{"cosh", "_Cosh_e#"},
91 	{"coshf", "_Coshf_e#"},
92 	{"coshl", "_Coshl_e#"},
93 	{"coshw", "_Coshw_e#"},
94 	{"exp2", "_Exp2_e#"},
95 	{"exp2f", "_Exp2f_e#"},
96 	{"exp2l", "_Exp2l_e#"},
97 	{"exp2w", "_Exp2w_e#"},
98 	{"exp", "_Exp_e#"},
99 	{"expf", "_Expf_e#"},
100 	{"expl", "_Expl_e#"},
101 	{"expm1", "_Expm1_e#"},
102 	{"expm1f", "_Expm1f_e#"},
103 	{"expm1l", "_Expm1l_e#"},
104 	{"expm1w", "_Expm1w_e#"},
105 	{"expw", "_Expw_e#"},
106 	{"fmod", "_Fmod_e#"},
107 	{"fmodf", "_Fmodf_e#"},
108 	{"fmodl", "_Fmodl_e#"},
109 	{"fmodw", "_Fmodw_e#"},
110 	{"gamma", "_Gamma_e#"},
111 	{"gammaf", "_Gammaf_e#"},
112 	{"gammal", "_Gammal_e#"},
113 	{"gammaw", "_Gammaw_e#"},
114 	{"ldexp", "_Ldexp_e#"},
115 	{"ldexpf", "_Ldexpf_e#"},
116 	{"ldexpl", "_Ldexpl_e#"},
117 	{"ldexpw", "_Ldexpw_e#"},
118 	{"lgamma", "_Lgamma_e#"},
119 	{"lgammaf", "_Lgammaf_e#"},
120 	{"lgammal", "_Lgammal_e#"},
121 	{"lgammaw", "_Lgammaw_e#"},
122 	{"log10", "_Log10_e#"},
123 	{"log10f", "_Log10f_e#"},
124 	{"log10l", "_Log10l_e#"},
125 	{"log10w", "_Log10w_e#"},
126 	{"log1p", "_Log1p_e#"},
127 	{"log1pf", "_Log1pf_e#"},
128 	{"log1pl", "_Log1pl_e#"},
129 	{"log1pw", "_Log1pw_e#"},
130 	{"log2", "_Log2_e#"},
131 	{"log2f", "_Log2f_e#"},
132 	{"log2l", "_Log2l_e#"},
133 	{"log2w", "_Log2w_e#"},
134 	{"log", "_Log_e#"},
135 	{"logb", "_Logb_e#"},
136 	{"logbf", "_Logbf_e#"},
137 	{"logbl", "_Logbl_e#"},
138 	{"logbw", "_Logbw_e#"},
139 	{"logf", "_Logf_e#"},
140 	{"logl", "_Logl_e#"},
141 	{"logw", "_Logw_e#"},
142 	{"nextafter", "_Nextafter_e#"},
143 	{"nextafterf", "_Nextafterf_e#"},
144 	{"nextafterl", "_Nextafterl_e#"},
145 	{"nextafterw", "_Nextafterw_e#"},
146 	{"pow", "_Pow_e#"},
147 	{"powf", "_Powf_e#"},
148 	{"powl", "_Powl_e#"},
149 	{"poww", "_Poww_e#"},
150 	{"remainder", "_Remainder_e#"},
151 	{"remainderf", "_Remainderf_e#"},
152 	{"remainderl", "_Remainderl_e#"},
153 	{"remainderw", "_Remainderw_e#"},
154 	{"scalb", "_Scalb_e#"},
155 	{"scalbf", "_Scalbf_e#"},
156 	{"scalbl", "_Scalbl_e#"},
157 	{"scalbw", "_Scalbw_e#"},
158 	{"sinh", "_Sinh_e#"},
159 	{"sinhf", "_Sinhf_e#"},
160 	{"sinhl", "_Sinhl_e#"},
161 	{"sinhw", "_Sinhw_e#"},
162 	{"sqrt", "_Sqrt_e#"},
163 	{"sqrtf", "_Sqrtf_e#"},
164 	{"sqrtl", "_Sqrtl_e#"},
165 	{"sqrtw", "_Sqrtw_e#"},
166 	{"tgamma", "_Tgamma_e#"},
167 	{"tgammaf", "_Tgammaf_e#"},
168 	{"tgammal", "_Tgammal_e#"},
169 	{"tgammaw", "_Tgammaw_e#"}
170 };
171 
172 static void
ia64_hpux_add_pragma_builtin(tree func)173 ia64_hpux_add_pragma_builtin (tree func)
174 {
175   size_t i;
176 
177   if (!flag_isoc94 && flag_iso)
178     {
179 	for (i = 0; i < ARRAY_SIZE (c89_mathlib_name_list); i++)
180 	  {
181 	    if (!strcmp(c89_mathlib_name_list[i].realname,
182 			IDENTIFIER_POINTER (func)))
183 	      {
184 		add_to_renaming_pragma_list(func,
185 			get_identifier(c89_mathlib_name_list[i].c89name));
186 	      }
187 	  }
188     }
189 }
190