Mercurial > hg > CbC > CbC_gcc
annotate gcc/config/spu/spu-c.c @ 111:04ced10e8804
gcc 7
| author | kono |
|---|---|
| date | Fri, 27 Oct 2017 22:46:09 +0900 |
| parents | f6334be47118 |
| children | 84e7813d76e9 |
| rev | line source |
|---|---|
| 111 | 1 /* Copyright (C) 2006-2017 Free Software Foundation, Inc. |
| 0 | 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 | |
| 5 Software Foundation; either version 3 of the License, or (at your option) | |
| 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 | |
| 14 along with GCC; see the file COPYING3. If not see | |
| 15 <http://www.gnu.org/licenses/>. */ | |
| 16 | |
| 17 #include "config.h" | |
| 18 #include "system.h" | |
| 19 #include "coretypes.h" | |
| 111 | 20 #include "target.h" |
|
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21 #include "c-family/c-common.h" |
| 111 | 22 #include "stringpool.h" |
| 0 | 23 #include "langhooks.h" |
| 24 | |
| 25 | |
| 26 /* Keep the vector keywords handy for fast comparisons. */ | |
| 27 static GTY(()) tree __vector_keyword; | |
| 28 static GTY(()) tree vector_keyword; | |
| 29 | |
| 30 static cpp_hashnode * | |
| 31 spu_categorize_keyword (const cpp_token *tok) | |
| 32 { | |
| 33 if (tok->type == CPP_NAME) | |
| 34 { | |
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35 cpp_hashnode *ident = tok->val.node.node; |
| 0 | 36 |
| 37 if (ident == C_CPP_HASHNODE (vector_keyword) | |
| 38 || ident == C_CPP_HASHNODE (__vector_keyword)) | |
| 39 return C_CPP_HASHNODE (__vector_keyword); | |
| 40 else | |
| 41 return ident; | |
| 42 } | |
| 43 return 0; | |
| 44 } | |
| 45 | |
| 46 /* Called to decide whether a conditional macro should be expanded. | |
| 47 Since we have exactly one such macro (i.e, 'vector'), we do not | |
| 48 need to examine the 'tok' parameter. */ | |
| 49 | |
| 50 static cpp_hashnode * | |
| 51 spu_macro_to_expand (cpp_reader *pfile, const cpp_token *tok) | |
| 52 { | |
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53 cpp_hashnode *expand_this = tok->val.node.node; |
| 0 | 54 cpp_hashnode *ident; |
| 55 | |
| 56 ident = spu_categorize_keyword (tok); | |
| 57 if (ident == C_CPP_HASHNODE (__vector_keyword)) | |
| 58 { | |
| 59 tok = cpp_peek_token (pfile, 0); | |
| 60 ident = spu_categorize_keyword (tok); | |
| 61 | |
| 62 if (ident) | |
| 63 { | |
| 64 enum rid rid_code = (enum rid)(ident->rid_code); | |
| 65 if (ident->type == NT_MACRO) | |
| 66 { | |
| 67 (void) cpp_get_token (pfile); | |
| 68 tok = cpp_peek_token (pfile, 0); | |
| 69 ident = spu_categorize_keyword (tok); | |
| 70 if (ident) | |
| 71 rid_code = (enum rid)(ident->rid_code); | |
| 72 } | |
| 73 | |
| 74 if (rid_code == RID_UNSIGNED || rid_code == RID_LONG | |
| 75 || rid_code == RID_SHORT || rid_code == RID_SIGNED | |
| 76 || rid_code == RID_INT || rid_code == RID_CHAR | |
| 77 || rid_code == RID_FLOAT || rid_code == RID_DOUBLE) | |
| 78 expand_this = C_CPP_HASHNODE (__vector_keyword); | |
| 79 } | |
| 80 } | |
| 81 return expand_this; | |
| 82 } | |
| 83 | |
| 84 /* target hook for resolve_overloaded_builtin(). Returns a function call | |
| 85 RTX if we can resolve the overloaded builtin */ | |
| 86 tree | |
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87 spu_resolve_overloaded_builtin (location_t loc, tree fndecl, void *passed_args) |
| 0 | 88 { |
| 89 #define SCALAR_TYPE_P(t) (INTEGRAL_TYPE_P (t) \ | |
| 90 || SCALAR_FLOAT_TYPE_P (t) \ | |
| 91 || POINTER_TYPE_P (t)) | |
| 111 | 92 vec<tree, va_gc> *fnargs = static_cast <vec<tree, va_gc> *> (passed_args); |
| 93 unsigned int nargs = vec_safe_length (fnargs); | |
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94 int new_fcode, fcode = DECL_FUNCTION_CODE (fndecl); |
| 0 | 95 struct spu_builtin_description *desc; |
| 96 tree match = NULL_TREE; | |
| 97 | |
| 98 /* The vector types are not available if the backend is not initialized. */ | |
| 99 gcc_assert (!flag_preprocess_only); | |
| 100 | |
| 101 desc = &spu_builtins[fcode]; | |
| 102 if (desc->type != B_OVERLOAD) | |
| 103 return NULL_TREE; | |
| 104 | |
| 105 /* Compare the signature of each internal builtin function with the | |
| 106 function arguments until a match is found. */ | |
| 107 | |
| 108 for (new_fcode = fcode + 1; spu_builtins[new_fcode].type == B_INTERNAL; | |
| 109 new_fcode++) | |
| 110 { | |
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111 tree decl = targetm.builtin_decl (new_fcode, true); |
| 0 | 112 tree params = TYPE_ARG_TYPES (TREE_TYPE (decl)); |
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113 tree param; |
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114 bool all_scalar; |
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115 unsigned int p; |
| 0 | 116 |
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117 /* Check whether all parameters are scalar. */ |
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118 all_scalar = true; |
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119 for (param = params; param != void_list_node; param = TREE_CHAIN (param)) |
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120 if (!SCALAR_TYPE_P (TREE_VALUE (param))) |
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121 all_scalar = false; |
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122 |
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123 for (param = params, p = 0; |
| 0 | 124 param != void_list_node; |
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125 param = TREE_CHAIN (param), p++) |
| 0 | 126 { |
| 127 tree var, arg_type, param_type = TREE_VALUE (param); | |
| 128 | |
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129 if (p >= nargs) |
| 0 | 130 { |
| 131 error ("insufficient arguments to overloaded function %s", | |
| 132 desc->name); | |
| 133 return error_mark_node; | |
| 134 } | |
| 135 | |
| 111 | 136 var = (*fnargs)[p]; |
| 0 | 137 |
| 138 if (TREE_CODE (var) == NON_LVALUE_EXPR) | |
| 139 var = TREE_OPERAND (var, 0); | |
| 140 | |
| 141 if (TREE_CODE (var) == ERROR_MARK) | |
| 142 return NULL_TREE; /* Let somebody else deal with the problem. */ | |
| 143 | |
| 144 arg_type = TREE_TYPE (var); | |
| 145 | |
| 146 /* The intrinsics spec does not specify precisely how to | |
| 147 resolve generic intrinsics. We require an exact match | |
| 148 for vector types and let C do it's usual parameter type | |
| 149 checking/promotions for scalar arguments, except for the | |
| 150 first argument of intrinsics which don't have a vector | |
| 151 parameter. */ | |
| 152 if ((!SCALAR_TYPE_P (param_type) | |
| 153 || !SCALAR_TYPE_P (arg_type) | |
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154 || (all_scalar && p == 0)) |
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155 && !lang_hooks.types_compatible_p (param_type, arg_type)) |
| 0 | 156 break; |
| 157 } | |
| 158 if (param == void_list_node) | |
| 159 { | |
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160 if (p != nargs) |
| 0 | 161 { |
| 162 error ("too many arguments to overloaded function %s", | |
| 163 desc->name); | |
| 164 return error_mark_node; | |
| 165 } | |
| 166 | |
| 167 match = decl; | |
| 168 break; | |
| 169 } | |
| 170 } | |
| 171 | |
| 172 if (match == NULL_TREE) | |
| 173 { | |
| 174 error ("parameter list does not match a valid signature for %s()", | |
| 175 desc->name); | |
| 176 return error_mark_node; | |
| 177 } | |
| 178 | |
| 111 | 179 return build_function_call_vec (loc, vNULL, match, fnargs, NULL); |
| 0 | 180 #undef SCALAR_TYPE_P |
| 181 } | |
| 182 | |
| 183 | |
| 184 void | |
| 185 spu_cpu_cpp_builtins (struct cpp_reader *pfile) | |
| 186 { | |
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187 cpp_define (pfile, "__SPU__"); |
| 0 | 188 cpp_assert (pfile, "cpu=spu"); |
| 189 cpp_assert (pfile, "machine=spu"); | |
| 190 if (spu_arch == PROCESSOR_CELLEDP) | |
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191 cpp_define (pfile, "__SPU_EDP__"); |
| 111 | 192 if (cpp_get_options (pfile)->lang != CLK_ASM) |
| 193 cpp_define (pfile, "__vector=__attribute__((__spu_vector__))"); | |
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194 switch (spu_ea_model) |
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195 { |
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196 case 32: |
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197 cpp_define (pfile, "__EA32__"); |
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198 break; |
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199 case 64: |
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200 cpp_define (pfile, "__EA64__"); |
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201 break; |
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202 default: |
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203 gcc_unreachable (); |
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204 } |
| 0 | 205 |
| 111 | 206 if (!flag_iso && cpp_get_options (pfile)->lang != CLK_ASM) |
| 0 | 207 { |
| 208 /* Define this when supporting context-sensitive keywords. */ | |
| 209 cpp_define (pfile, "__VECTOR_KEYWORD_SUPPORTED__"); | |
| 210 cpp_define (pfile, "vector=vector"); | |
| 211 | |
| 212 /* Initialize vector keywords. */ | |
| 213 __vector_keyword = get_identifier ("__vector"); | |
| 214 C_CPP_HASHNODE (__vector_keyword)->flags |= NODE_CONDITIONAL; | |
| 215 vector_keyword = get_identifier ("vector"); | |
| 216 C_CPP_HASHNODE (vector_keyword)->flags |= NODE_CONDITIONAL; | |
| 217 | |
| 218 /* Enable context-sensitive macros. */ | |
| 219 cpp_get_callbacks (pfile)->macro_to_expand = spu_macro_to_expand; | |
| 220 } | |
| 221 } | |
| 222 | |
| 223 void | |
| 224 spu_c_common_override_options (void) | |
| 225 { | |
| 226 if (!TARGET_STD_MAIN) | |
| 227 { | |
| 228 /* Don't give warnings about the main() function. */ | |
| 229 warn_main = 0; | |
| 230 } | |
| 231 } |