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a5544970 | 1 | /* Copyright (C) 2006-2019 Free Software Foundation, Inc. |
85d9c13c TS |
2 | |
3 | This file is free software; you can redistribute it and/or modify it under | |
4 | the terms of the GNU General Public License as published by the Free | |
2f83c7d6 | 5 | Software Foundation; either version 3 of the License, or (at your option) |
85d9c13c TS |
6 | any later version. |
7 | ||
8 | This file is distributed in the hope that it will be useful, but WITHOUT | |
9 | ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
10 | FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
11 | for more details. | |
12 | ||
13 | You should have received a copy of the GNU General Public License | |
2f83c7d6 NC |
14 | along with GCC; see the file COPYING3. If not see |
15 | <http://www.gnu.org/licenses/>. */ | |
85d9c13c | 16 | |
8fcc61f8 RS |
17 | #define IN_TARGET_CODE 1 |
18 | ||
85d9c13c TS |
19 | #include "config.h" |
20 | #include "system.h" | |
21 | #include "coretypes.h" | |
e11c4407 | 22 | #include "target.h" |
39dabefd | 23 | #include "c-family/c-common.h" |
e11c4407 | 24 | #include "stringpool.h" |
85d9c13c | 25 | #include "langhooks.h" |
85d9c13c TS |
26 | \f |
27 | ||
e816b6b5 BE |
28 | /* Keep the vector keywords handy for fast comparisons. */ |
29 | static GTY(()) tree __vector_keyword; | |
30 | static GTY(()) tree vector_keyword; | |
31 | ||
32 | static cpp_hashnode * | |
33 | spu_categorize_keyword (const cpp_token *tok) | |
34 | { | |
35 | if (tok->type == CPP_NAME) | |
36 | { | |
a7d39bd3 | 37 | cpp_hashnode *ident = tok->val.node.node; |
e816b6b5 BE |
38 | |
39 | if (ident == C_CPP_HASHNODE (vector_keyword) | |
40 | || ident == C_CPP_HASHNODE (__vector_keyword)) | |
41 | return C_CPP_HASHNODE (__vector_keyword); | |
42 | else | |
43 | return ident; | |
44 | } | |
45 | return 0; | |
46 | } | |
47 | ||
48 | /* Called to decide whether a conditional macro should be expanded. | |
49 | Since we have exactly one such macro (i.e, 'vector'), we do not | |
50 | need to examine the 'tok' parameter. */ | |
51 | ||
52 | static cpp_hashnode * | |
53 | spu_macro_to_expand (cpp_reader *pfile, const cpp_token *tok) | |
54 | { | |
a7d39bd3 | 55 | cpp_hashnode *expand_this = tok->val.node.node; |
e816b6b5 BE |
56 | cpp_hashnode *ident; |
57 | ||
58 | ident = spu_categorize_keyword (tok); | |
59 | if (ident == C_CPP_HASHNODE (__vector_keyword)) | |
60 | { | |
61 | tok = cpp_peek_token (pfile, 0); | |
62 | ident = spu_categorize_keyword (tok); | |
63 | ||
64 | if (ident) | |
65 | { | |
66 | enum rid rid_code = (enum rid)(ident->rid_code); | |
fe7a679e | 67 | if (cpp_macro_p (ident)) |
e816b6b5 BE |
68 | { |
69 | (void) cpp_get_token (pfile); | |
70 | tok = cpp_peek_token (pfile, 0); | |
71 | ident = spu_categorize_keyword (tok); | |
72 | if (ident) | |
73 | rid_code = (enum rid)(ident->rid_code); | |
74 | } | |
75 | ||
76 | if (rid_code == RID_UNSIGNED || rid_code == RID_LONG | |
77 | || rid_code == RID_SHORT || rid_code == RID_SIGNED | |
78 | || rid_code == RID_INT || rid_code == RID_CHAR | |
79 | || rid_code == RID_FLOAT || rid_code == RID_DOUBLE) | |
80 | expand_this = C_CPP_HASHNODE (__vector_keyword); | |
81 | } | |
82 | } | |
83 | return expand_this; | |
84 | } | |
85 | ||
85d9c13c TS |
86 | /* target hook for resolve_overloaded_builtin(). Returns a function call |
87 | RTX if we can resolve the overloaded builtin */ | |
88 | tree | |
4c4bde29 | 89 | spu_resolve_overloaded_builtin (location_t loc, tree fndecl, void *passed_args) |
85d9c13c | 90 | { |
9838be08 AP |
91 | #define SCALAR_TYPE_P(t) (INTEGRAL_TYPE_P (t) \ |
92 | || SCALAR_FLOAT_TYPE_P (t) \ | |
93 | || POINTER_TYPE_P (t)) | |
9771b263 DN |
94 | vec<tree, va_gc> *fnargs = static_cast <vec<tree, va_gc> *> (passed_args); |
95 | unsigned int nargs = vec_safe_length (fnargs); | |
4d732405 | 96 | int new_fcode, fcode = DECL_MD_FUNCTION_CODE (fndecl); |
85d9c13c TS |
97 | struct spu_builtin_description *desc; |
98 | tree match = NULL_TREE; | |
99 | ||
2f8e468b | 100 | /* The vector types are not available if the backend is not initialized. */ |
85d9c13c TS |
101 | gcc_assert (!flag_preprocess_only); |
102 | ||
103 | desc = &spu_builtins[fcode]; | |
104 | if (desc->type != B_OVERLOAD) | |
105 | return NULL_TREE; | |
106 | ||
107 | /* Compare the signature of each internal builtin function with the | |
108 | function arguments until a match is found. */ | |
109 | ||
110 | for (new_fcode = fcode + 1; spu_builtins[new_fcode].type == B_INTERNAL; | |
111 | new_fcode++) | |
112 | { | |
8dc9f5bd | 113 | tree decl = targetm.builtin_decl (new_fcode, true); |
85d9c13c | 114 | tree params = TYPE_ARG_TYPES (TREE_TYPE (decl)); |
bbbbb16a | 115 | tree param; |
4a3a2376 | 116 | bool all_scalar; |
bbbbb16a | 117 | unsigned int p; |
85d9c13c | 118 | |
4a3a2376 UW |
119 | /* Check whether all parameters are scalar. */ |
120 | all_scalar = true; | |
121 | for (param = params; param != void_list_node; param = TREE_CHAIN (param)) | |
122 | if (!SCALAR_TYPE_P (TREE_VALUE (param))) | |
123 | all_scalar = false; | |
124 | ||
bbbbb16a | 125 | for (param = params, p = 0; |
85d9c13c | 126 | param != void_list_node; |
bbbbb16a | 127 | param = TREE_CHAIN (param), p++) |
85d9c13c TS |
128 | { |
129 | tree var, arg_type, param_type = TREE_VALUE (param); | |
130 | ||
0267afc4 | 131 | if (p >= nargs) |
85d9c13c TS |
132 | { |
133 | error ("insufficient arguments to overloaded function %s", | |
134 | desc->name); | |
135 | return error_mark_node; | |
136 | } | |
137 | ||
9771b263 | 138 | var = (*fnargs)[p]; |
85d9c13c TS |
139 | |
140 | if (TREE_CODE (var) == NON_LVALUE_EXPR) | |
141 | var = TREE_OPERAND (var, 0); | |
142 | ||
143 | if (TREE_CODE (var) == ERROR_MARK) | |
144 | return NULL_TREE; /* Let somebody else deal with the problem. */ | |
145 | ||
146 | arg_type = TREE_TYPE (var); | |
147 | ||
148 | /* The intrinsics spec does not specify precisely how to | |
149 | resolve generic intrinsics. We require an exact match | |
150 | for vector types and let C do it's usual parameter type | |
151 | checking/promotions for scalar arguments, except for the | |
152 | first argument of intrinsics which don't have a vector | |
153 | parameter. */ | |
9838be08 AP |
154 | if ((!SCALAR_TYPE_P (param_type) |
155 | || !SCALAR_TYPE_P (arg_type) | |
4a3a2376 | 156 | || (all_scalar && p == 0)) |
86866b28 | 157 | && !lang_hooks.types_compatible_p (param_type, arg_type)) |
85d9c13c TS |
158 | break; |
159 | } | |
160 | if (param == void_list_node) | |
161 | { | |
bbbbb16a | 162 | if (p != nargs) |
85d9c13c TS |
163 | { |
164 | error ("too many arguments to overloaded function %s", | |
165 | desc->name); | |
166 | return error_mark_node; | |
167 | } | |
168 | ||
169 | match = decl; | |
170 | break; | |
171 | } | |
172 | } | |
173 | ||
174 | if (match == NULL_TREE) | |
175 | { | |
176 | error ("parameter list does not match a valid signature for %s()", | |
177 | desc->name); | |
178 | return error_mark_node; | |
179 | } | |
180 | ||
8eb651bd | 181 | return build_function_call_vec (loc, vNULL, match, fnargs, NULL); |
9838be08 | 182 | #undef SCALAR_TYPE_P |
85d9c13c TS |
183 | } |
184 | ||
85d9c13c | 185 | |
b66b813d AP |
186 | void |
187 | spu_cpu_cpp_builtins (struct cpp_reader *pfile) | |
85d9c13c | 188 | { |
826d817f | 189 | cpp_define (pfile, "__SPU__"); |
b66b813d AP |
190 | cpp_assert (pfile, "cpu=spu"); |
191 | cpp_assert (pfile, "machine=spu"); | |
39aeae85 | 192 | if (spu_arch == PROCESSOR_CELLEDP) |
826d817f | 193 | cpp_define (pfile, "__SPU_EDP__"); |
860f8be4 JJ |
194 | if (cpp_get_options (pfile)->lang != CLK_ASM) |
195 | cpp_define (pfile, "__vector=__attribute__((__spu_vector__))"); | |
299456f3 BE |
196 | switch (spu_ea_model) |
197 | { | |
198 | case 32: | |
826d817f | 199 | cpp_define (pfile, "__EA32__"); |
299456f3 BE |
200 | break; |
201 | case 64: | |
826d817f | 202 | cpp_define (pfile, "__EA64__"); |
299456f3 BE |
203 | break; |
204 | default: | |
205 | gcc_unreachable (); | |
206 | } | |
e816b6b5 | 207 | |
860f8be4 | 208 | if (!flag_iso && cpp_get_options (pfile)->lang != CLK_ASM) |
e816b6b5 BE |
209 | { |
210 | /* Define this when supporting context-sensitive keywords. */ | |
211 | cpp_define (pfile, "__VECTOR_KEYWORD_SUPPORTED__"); | |
212 | cpp_define (pfile, "vector=vector"); | |
213 | ||
214 | /* Initialize vector keywords. */ | |
215 | __vector_keyword = get_identifier ("__vector"); | |
216 | C_CPP_HASHNODE (__vector_keyword)->flags |= NODE_CONDITIONAL; | |
217 | vector_keyword = get_identifier ("vector"); | |
218 | C_CPP_HASHNODE (vector_keyword)->flags |= NODE_CONDITIONAL; | |
219 | ||
220 | /* Enable context-sensitive macros. */ | |
221 | cpp_get_callbacks (pfile)->macro_to_expand = spu_macro_to_expand; | |
222 | } | |
85d9c13c TS |
223 | } |
224 | ||
83a01f24 BE |
225 | void |
226 | spu_c_common_override_options (void) | |
227 | { | |
228 | if (!TARGET_STD_MAIN) | |
229 | { | |
230 | /* Don't give warnings about the main() function. */ | |
231 | warn_main = 0; | |
232 | } | |
233 | } |