Mercurial > hg > CbC > CbC_gcc
annotate gcc/config/spu/spu-c.c @ 19:58ad6c70ea60
update gcc from 4.4.0 to 4.4.1.
| author | kent@firefly.cr.ie.u-ryukyu.ac.jp |
|---|---|
| date | Thu, 24 Sep 2009 13:21:57 +0900 |
| parents | a06113de4d67 |
| children | 77e2b8dfacca |
| rev | line source |
|---|---|
| 0 | 1 /* Copyright (C) 2006, 2007, 2008 Free Software Foundation, Inc. |
| 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" | |
| 20 #include "tm.h" | |
| 21 #include "cpplib.h" | |
| 22 #include "tree.h" | |
| 23 #include "c-tree.h" | |
| 24 #include "c-pragma.h" | |
| 25 #include "function.h" | |
| 26 #include "rtl.h" | |
| 27 #include "expr.h" | |
| 28 #include "errors.h" | |
| 29 #include "tm_p.h" | |
| 30 #include "langhooks.h" | |
| 31 #include "insn-config.h" | |
| 32 #include "insn-codes.h" | |
| 33 #include "recog.h" | |
| 34 #include "optabs.h" | |
| 35 | |
| 36 | |
| 37 /* Keep the vector keywords handy for fast comparisons. */ | |
| 38 static GTY(()) tree __vector_keyword; | |
| 39 static GTY(()) tree vector_keyword; | |
| 40 | |
| 41 static cpp_hashnode * | |
| 42 spu_categorize_keyword (const cpp_token *tok) | |
| 43 { | |
| 44 if (tok->type == CPP_NAME) | |
| 45 { | |
| 46 cpp_hashnode *ident = tok->val.node; | |
| 47 | |
| 48 if (ident == C_CPP_HASHNODE (vector_keyword) | |
| 49 || ident == C_CPP_HASHNODE (__vector_keyword)) | |
| 50 return C_CPP_HASHNODE (__vector_keyword); | |
| 51 else | |
| 52 return ident; | |
| 53 } | |
| 54 return 0; | |
| 55 } | |
| 56 | |
| 57 /* Called to decide whether a conditional macro should be expanded. | |
| 58 Since we have exactly one such macro (i.e, 'vector'), we do not | |
| 59 need to examine the 'tok' parameter. */ | |
| 60 | |
| 61 static cpp_hashnode * | |
| 62 spu_macro_to_expand (cpp_reader *pfile, const cpp_token *tok) | |
| 63 { | |
| 64 cpp_hashnode *expand_this = tok->val.node; | |
| 65 cpp_hashnode *ident; | |
| 66 | |
| 67 ident = spu_categorize_keyword (tok); | |
| 68 if (ident == C_CPP_HASHNODE (__vector_keyword)) | |
| 69 { | |
| 70 tok = cpp_peek_token (pfile, 0); | |
| 71 ident = spu_categorize_keyword (tok); | |
| 72 | |
| 73 if (ident) | |
| 74 { | |
| 75 enum rid rid_code = (enum rid)(ident->rid_code); | |
| 76 if (ident->type == NT_MACRO) | |
| 77 { | |
| 78 (void) cpp_get_token (pfile); | |
| 79 tok = cpp_peek_token (pfile, 0); | |
| 80 ident = spu_categorize_keyword (tok); | |
| 81 if (ident) | |
| 82 rid_code = (enum rid)(ident->rid_code); | |
| 83 } | |
| 84 | |
| 85 if (rid_code == RID_UNSIGNED || rid_code == RID_LONG | |
| 86 || rid_code == RID_SHORT || rid_code == RID_SIGNED | |
| 87 || rid_code == RID_INT || rid_code == RID_CHAR | |
| 88 || rid_code == RID_FLOAT || rid_code == RID_DOUBLE) | |
| 89 expand_this = C_CPP_HASHNODE (__vector_keyword); | |
| 90 } | |
| 91 } | |
| 92 return expand_this; | |
| 93 } | |
| 94 | |
| 95 /* target hook for resolve_overloaded_builtin(). Returns a function call | |
| 96 RTX if we can resolve the overloaded builtin */ | |
| 97 tree | |
| 98 spu_resolve_overloaded_builtin (tree fndecl, tree fnargs) | |
| 99 { | |
| 100 #define SCALAR_TYPE_P(t) (INTEGRAL_TYPE_P (t) \ | |
| 101 || SCALAR_FLOAT_TYPE_P (t) \ | |
| 102 || POINTER_TYPE_P (t)) | |
|
19
58ad6c70ea60
update gcc from 4.4.0 to 4.4.1.
kent@firefly.cr.ie.u-ryukyu.ac.jp
parents:
0
diff
changeset
|
103 int new_fcode, fcode = DECL_FUNCTION_CODE (fndecl) - END_BUILTINS; |
| 0 | 104 struct spu_builtin_description *desc; |
| 105 tree match = NULL_TREE; | |
| 106 | |
| 107 /* The vector types are not available if the backend is not initialized. */ | |
| 108 gcc_assert (!flag_preprocess_only); | |
| 109 | |
| 110 desc = &spu_builtins[fcode]; | |
| 111 if (desc->type != B_OVERLOAD) | |
| 112 return NULL_TREE; | |
| 113 | |
| 114 /* Compare the signature of each internal builtin function with the | |
| 115 function arguments until a match is found. */ | |
| 116 | |
| 117 for (new_fcode = fcode + 1; spu_builtins[new_fcode].type == B_INTERNAL; | |
| 118 new_fcode++) | |
| 119 { | |
| 120 tree decl = spu_builtins[new_fcode].fndecl; | |
| 121 tree params = TYPE_ARG_TYPES (TREE_TYPE (decl)); | |
| 122 tree arg, param; | |
|
19
58ad6c70ea60
update gcc from 4.4.0 to 4.4.1.
kent@firefly.cr.ie.u-ryukyu.ac.jp
parents:
0
diff
changeset
|
123 bool all_scalar; |
| 0 | 124 int p; |
| 125 | |
|
19
58ad6c70ea60
update gcc from 4.4.0 to 4.4.1.
kent@firefly.cr.ie.u-ryukyu.ac.jp
parents:
0
diff
changeset
|
126 /* Check whether all parameters are scalar. */ |
|
58ad6c70ea60
update gcc from 4.4.0 to 4.4.1.
kent@firefly.cr.ie.u-ryukyu.ac.jp
parents:
0
diff
changeset
|
127 all_scalar = true; |
|
58ad6c70ea60
update gcc from 4.4.0 to 4.4.1.
kent@firefly.cr.ie.u-ryukyu.ac.jp
parents:
0
diff
changeset
|
128 for (param = params; param != void_list_node; param = TREE_CHAIN (param)) |
|
58ad6c70ea60
update gcc from 4.4.0 to 4.4.1.
kent@firefly.cr.ie.u-ryukyu.ac.jp
parents:
0
diff
changeset
|
129 if (!SCALAR_TYPE_P (TREE_VALUE (param))) |
|
58ad6c70ea60
update gcc from 4.4.0 to 4.4.1.
kent@firefly.cr.ie.u-ryukyu.ac.jp
parents:
0
diff
changeset
|
130 all_scalar = false; |
|
58ad6c70ea60
update gcc from 4.4.0 to 4.4.1.
kent@firefly.cr.ie.u-ryukyu.ac.jp
parents:
0
diff
changeset
|
131 |
| 0 | 132 for (param = params, arg = fnargs, p = 0; |
| 133 param != void_list_node; | |
| 134 param = TREE_CHAIN (param), arg = TREE_CHAIN (arg), p++) | |
| 135 { | |
| 136 tree var, arg_type, param_type = TREE_VALUE (param); | |
| 137 | |
| 138 if (!arg) | |
| 139 { | |
| 140 error ("insufficient arguments to overloaded function %s", | |
| 141 desc->name); | |
| 142 return error_mark_node; | |
| 143 } | |
| 144 | |
| 145 var = TREE_VALUE (arg); | |
| 146 | |
| 147 if (TREE_CODE (var) == NON_LVALUE_EXPR) | |
| 148 var = TREE_OPERAND (var, 0); | |
| 149 | |
| 150 if (TREE_CODE (var) == ERROR_MARK) | |
| 151 return NULL_TREE; /* Let somebody else deal with the problem. */ | |
| 152 | |
| 153 arg_type = TREE_TYPE (var); | |
| 154 | |
| 155 /* The intrinsics spec does not specify precisely how to | |
| 156 resolve generic intrinsics. We require an exact match | |
| 157 for vector types and let C do it's usual parameter type | |
| 158 checking/promotions for scalar arguments, except for the | |
| 159 first argument of intrinsics which don't have a vector | |
| 160 parameter. */ | |
| 161 if ((!SCALAR_TYPE_P (param_type) | |
| 162 || !SCALAR_TYPE_P (arg_type) | |
|
19
58ad6c70ea60
update gcc from 4.4.0 to 4.4.1.
kent@firefly.cr.ie.u-ryukyu.ac.jp
parents:
0
diff
changeset
|
163 || (all_scalar && p == 0)) |
| 0 | 164 && !comptypes (TYPE_MAIN_VARIANT (param_type), |
| 165 TYPE_MAIN_VARIANT (arg_type))) | |
| 166 break; | |
| 167 } | |
| 168 if (param == void_list_node) | |
| 169 { | |
| 170 if (arg) | |
| 171 { | |
| 172 error ("too many arguments to overloaded function %s", | |
| 173 desc->name); | |
| 174 return error_mark_node; | |
| 175 } | |
| 176 | |
| 177 match = decl; | |
| 178 break; | |
| 179 } | |
| 180 } | |
| 181 | |
| 182 if (match == NULL_TREE) | |
| 183 { | |
| 184 error ("parameter list does not match a valid signature for %s()", | |
| 185 desc->name); | |
| 186 return error_mark_node; | |
| 187 } | |
| 188 | |
| 189 return build_function_call (match, fnargs); | |
| 190 #undef SCALAR_TYPE_P | |
| 191 } | |
| 192 | |
| 193 | |
| 194 void | |
| 195 spu_cpu_cpp_builtins (struct cpp_reader *pfile) | |
| 196 { | |
| 197 builtin_define_std ("__SPU__"); | |
| 198 cpp_assert (pfile, "cpu=spu"); | |
| 199 cpp_assert (pfile, "machine=spu"); | |
| 200 if (spu_arch == PROCESSOR_CELLEDP) | |
| 201 builtin_define_std ("__SPU_EDP__"); | |
| 202 builtin_define_std ("__vector=__attribute__((__spu_vector__))"); | |
| 203 | |
| 204 if (!flag_iso) | |
| 205 { | |
| 206 /* Define this when supporting context-sensitive keywords. */ | |
| 207 cpp_define (pfile, "__VECTOR_KEYWORD_SUPPORTED__"); | |
| 208 cpp_define (pfile, "vector=vector"); | |
| 209 | |
| 210 /* Initialize vector keywords. */ | |
| 211 __vector_keyword = get_identifier ("__vector"); | |
| 212 C_CPP_HASHNODE (__vector_keyword)->flags |= NODE_CONDITIONAL; | |
| 213 vector_keyword = get_identifier ("vector"); | |
| 214 C_CPP_HASHNODE (vector_keyword)->flags |= NODE_CONDITIONAL; | |
| 215 | |
| 216 /* Enable context-sensitive macros. */ | |
| 217 cpp_get_callbacks (pfile)->macro_to_expand = spu_macro_to_expand; | |
| 218 } | |
| 219 } | |
| 220 | |
| 221 void | |
| 222 spu_c_common_override_options (void) | |
| 223 { | |
| 224 if (!TARGET_STD_MAIN) | |
| 225 { | |
| 226 /* Don't give warnings about the main() function. */ | |
| 227 warn_main = 0; | |
| 228 } | |
| 229 } |