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[/] [openrisc/] [trunk/] [gnu-stable/] [gcc-4.5.1/] [gcc/] [fortran/] [f95-lang.c] - Rev 826
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/* gfortran backend interface Copyright (C) 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2010 Free Software Foundation, Inc. Contributed by Paul Brook. This file is part of GCC. GCC is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 3, or (at your option) any later version. GCC is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with GCC; see the file COPYING3. If not see <http://www.gnu.org/licenses/>. */ /* f95-lang.c-- GCC backend interface stuff */ /* declare required prototypes: */ #include "config.h" #include "system.h" #include "ansidecl.h" #include "system.h" #include "coretypes.h" #include "tree.h" #include "gimple.h" #include "flags.h" #include "langhooks.h" #include "langhooks-def.h" #include "timevar.h" #include "tm.h" #include "function.h" #include "ggc.h" #include "toplev.h" #include "target.h" #include "debug.h" #include "diagnostic.h" #include "tree-dump.h" #include "cgraph.h" /* For gfc_maybe_initialize_eh. */ #include "libfuncs.h" #include "expr.h" #include "except.h" #include "gfortran.h" #include "cpp.h" #include "trans.h" #include "trans-types.h" #include "trans-const.h" /* Language-dependent contents of an identifier. */ struct GTY(()) lang_identifier { struct tree_identifier common; }; /* The resulting tree type. */ union GTY((desc ("TREE_CODE (&%h.generic) == IDENTIFIER_NODE"), chain_next ("(union lang_tree_node *)TREE_CHAIN (&%h.generic)"))) lang_tree_node { union tree_node GTY((tag ("0"), desc ("tree_node_structure (&%h)"))) generic; struct lang_identifier GTY((tag ("1"))) identifier; }; /* Save and restore the variables in this file and elsewhere that keep track of the progress of compilation of the current function. Used for nested functions. */ struct GTY(()) language_function { /* struct gfc_language_function base; */ struct binding_level *binding_level; }; /* We don't have a lex/yacc lexer/parser, but toplev expects these to exist anyway. */ void yyerror (const char *str); int yylex (void); static void gfc_init_decl_processing (void); static void gfc_init_builtin_functions (void); /* Each front end provides its own. */ static bool gfc_init (void); static void gfc_finish (void); static void gfc_print_identifier (FILE *, tree, int); void do_function_end (void); int global_bindings_p (void); static void clear_binding_stack (void); static void gfc_be_parse_file (int); static alias_set_type gfc_get_alias_set (tree); static void gfc_init_ts (void); #undef LANG_HOOKS_NAME #undef LANG_HOOKS_INIT #undef LANG_HOOKS_FINISH #undef LANG_HOOKS_INIT_OPTIONS #undef LANG_HOOKS_HANDLE_OPTION #undef LANG_HOOKS_POST_OPTIONS #undef LANG_HOOKS_PRINT_IDENTIFIER #undef LANG_HOOKS_PARSE_FILE #undef LANG_HOOKS_MARK_ADDRESSABLE #undef LANG_HOOKS_TYPE_FOR_MODE #undef LANG_HOOKS_TYPE_FOR_SIZE #undef LANG_HOOKS_GET_ALIAS_SET #undef LANG_HOOKS_INIT_TS #undef LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE #undef LANG_HOOKS_OMP_PREDETERMINED_SHARING #undef LANG_HOOKS_OMP_REPORT_DECL #undef LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR #undef LANG_HOOKS_OMP_CLAUSE_COPY_CTOR #undef LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP #undef LANG_HOOKS_OMP_CLAUSE_DTOR #undef LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR #undef LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE #undef LANG_HOOKS_OMP_PRIVATE_OUTER_REF #undef LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES #undef LANG_HOOKS_BUILTIN_FUNCTION #undef LANG_HOOKS_GET_ARRAY_DESCR_INFO /* Define lang hooks. */ #define LANG_HOOKS_NAME "GNU Fortran" #define LANG_HOOKS_INIT gfc_init #define LANG_HOOKS_FINISH gfc_finish #define LANG_HOOKS_INIT_OPTIONS gfc_init_options #define LANG_HOOKS_HANDLE_OPTION gfc_handle_option #define LANG_HOOKS_POST_OPTIONS gfc_post_options #define LANG_HOOKS_PRINT_IDENTIFIER gfc_print_identifier #define LANG_HOOKS_PARSE_FILE gfc_be_parse_file #define LANG_HOOKS_TYPE_FOR_MODE gfc_type_for_mode #define LANG_HOOKS_TYPE_FOR_SIZE gfc_type_for_size #define LANG_HOOKS_GET_ALIAS_SET gfc_get_alias_set #define LANG_HOOKS_INIT_TS gfc_init_ts #define LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE gfc_omp_privatize_by_reference #define LANG_HOOKS_OMP_PREDETERMINED_SHARING gfc_omp_predetermined_sharing #define LANG_HOOKS_OMP_REPORT_DECL gfc_omp_report_decl #define LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR gfc_omp_clause_default_ctor #define LANG_HOOKS_OMP_CLAUSE_COPY_CTOR gfc_omp_clause_copy_ctor #define LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP gfc_omp_clause_assign_op #define LANG_HOOKS_OMP_CLAUSE_DTOR gfc_omp_clause_dtor #define LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR gfc_omp_disregard_value_expr #define LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE gfc_omp_private_debug_clause #define LANG_HOOKS_OMP_PRIVATE_OUTER_REF gfc_omp_private_outer_ref #define LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES \ gfc_omp_firstprivatize_type_sizes #define LANG_HOOKS_BUILTIN_FUNCTION gfc_builtin_function #define LANG_HOOKS_GET_ARRAY_DESCR_INFO gfc_get_array_descr_info struct lang_hooks lang_hooks = LANG_HOOKS_INITIALIZER; #define NULL_BINDING_LEVEL (struct binding_level *) NULL /* A chain of binding_level structures awaiting reuse. */ static GTY(()) struct binding_level *free_binding_level; /* The elements of `ridpointers' are identifier nodes for the reserved type names and storage classes. It is indexed by a RID_... value. */ tree *ridpointers = NULL; /* True means we've initialized exception handling. */ bool gfc_eh_initialized_p; /* Prepare expr to be an argument of a TRUTH_NOT_EXPR, or validate its data type for an `if' or `while' statement or ?..: exp. This preparation consists of taking the ordinary representation of an expression expr and producing a valid tree boolean expression describing whether expr is nonzero. We could simply always do build_binary_op (NE_EXPR, expr, boolean_false_node, 1), but we optimize comparisons, &&, ||, and !. The resulting type should always be `boolean_type_node'. This is much simpler than the corresponding C version because we have a distinct boolean type. */ tree gfc_truthvalue_conversion (tree expr) { switch (TREE_CODE (TREE_TYPE (expr))) { case BOOLEAN_TYPE: if (TREE_TYPE (expr) == boolean_type_node) return expr; else if (COMPARISON_CLASS_P (expr)) { TREE_TYPE (expr) = boolean_type_node; return expr; } else if (TREE_CODE (expr) == NOP_EXPR) return fold_build1 (NOP_EXPR, boolean_type_node, TREE_OPERAND (expr, 0)); else return fold_build1 (NOP_EXPR, boolean_type_node, expr); case INTEGER_TYPE: if (TREE_CODE (expr) == INTEGER_CST) return integer_zerop (expr) ? boolean_false_node : boolean_true_node; else return fold_build2 (NE_EXPR, boolean_type_node, expr, build_int_cst (TREE_TYPE (expr), 0)); default: internal_error ("Unexpected type in truthvalue_conversion"); } } static void gfc_create_decls (void) { /* GCC builtins. */ gfc_init_builtin_functions (); /* Runtime/IO library functions. */ gfc_build_builtin_function_decls (); gfc_init_constants (); } static void gfc_be_parse_file (int set_yydebug ATTRIBUTE_UNUSED) { int errors; int warnings; gfc_create_decls (); gfc_parse_file (); gfc_generate_constructors (); /* Tell the frontend about any errors. */ gfc_get_errors (&warnings, &errors); errorcount += errors; warningcount += warnings; clear_binding_stack (); } /* Initialize everything. */ static bool gfc_init (void) { if (!gfc_cpp_enabled ()) { linemap_add (line_table, LC_ENTER, false, gfc_source_file, 1); linemap_add (line_table, LC_RENAME, false, "<built-in>", 0); } else gfc_cpp_init_0 (); gfc_init_decl_processing (); gfc_static_ctors = NULL_TREE; if (gfc_cpp_enabled ()) gfc_cpp_init (); gfc_init_1 (); if (gfc_new_file () != SUCCESS) fatal_error ("can't open input file: %s", gfc_source_file); return true; } static void gfc_finish (void) { gfc_cpp_done (); gfc_done_1 (); gfc_release_include_path (); return; } static void gfc_print_identifier (FILE * file ATTRIBUTE_UNUSED, tree node ATTRIBUTE_UNUSED, int indent ATTRIBUTE_UNUSED) { return; } /* These functions and variables deal with binding contours. We only need these functions for the list of PARM_DECLs, but we leave the functions more general; these are a simplified version of the functions from GNAT. */ /* For each binding contour we allocate a binding_level structure which records the entities defined or declared in that contour. Contours include: the global one one for each subprogram definition one for each compound statement (declare block) Binding contours are used to create GCC tree BLOCK nodes. */ struct GTY(()) binding_level { /* A chain of ..._DECL nodes for all variables, constants, functions, parameters and type declarations. These ..._DECL nodes are chained through the TREE_CHAIN field. Note that these ..._DECL nodes are stored in the reverse of the order supplied to be compatible with the back-end. */ tree names; /* For each level (except the global one), a chain of BLOCK nodes for all the levels that were entered and exited one level down from this one. */ tree blocks; /* The binding level containing this one (the enclosing binding level). */ struct binding_level *level_chain; }; /* The binding level currently in effect. */ static GTY(()) struct binding_level *current_binding_level = NULL; /* The outermost binding level. This binding level is created when the compiler is started and it will exist through the entire compilation. */ static GTY(()) struct binding_level *global_binding_level; /* Binding level structures are initialized by copying this one. */ static struct binding_level clear_binding_level = { NULL, NULL, NULL }; /* Return nonzero if we are currently in the global binding level. */ int global_bindings_p (void) { return current_binding_level == global_binding_level ? -1 : 0; } tree getdecls (void) { return current_binding_level->names; } /* Enter a new binding level. The input parameter is ignored, but has to be specified for back-end compatibility. */ void pushlevel (int ignore ATTRIBUTE_UNUSED) { struct binding_level *newlevel = (struct binding_level *) ggc_alloc (sizeof (struct binding_level)); *newlevel = clear_binding_level; /* Add this level to the front of the chain (stack) of levels that are active. */ newlevel->level_chain = current_binding_level; current_binding_level = newlevel; } /* Exit a binding level. Pop the level off, and restore the state of the identifier-decl mappings that were in effect when this level was entered. If KEEP is nonzero, this level had explicit declarations, so and create a "block" (a BLOCK node) for the level to record its declarations and subblocks for symbol table output. If FUNCTIONBODY is nonzero, this level is the body of a function, so create a block as if KEEP were set and also clear out all label names. If REVERSE is nonzero, reverse the order of decls before putting them into the BLOCK. */ tree poplevel (int keep, int reverse, int functionbody) { /* Points to a BLOCK tree node. This is the BLOCK node constructed for the binding level that we are about to exit and which is returned by this routine. */ tree block_node = NULL_TREE; tree decl_chain; tree subblock_chain = current_binding_level->blocks; tree subblock_node; /* Reverse the list of XXXX_DECL nodes if desired. Note that the ..._DECL nodes chained through the `names' field of current_binding_level are in reverse order except for PARM_DECL node, which are explicitly stored in the right order. */ decl_chain = (reverse) ? nreverse (current_binding_level->names) : current_binding_level->names; /* If there were any declarations in the current binding level, or if this binding level is a function body, or if there are any nested blocks then create a BLOCK node to record them for the life of this function. */ if (keep || functionbody) block_node = build_block (keep ? decl_chain : 0, subblock_chain, 0, 0); /* Record the BLOCK node just built as the subblock its enclosing scope. */ for (subblock_node = subblock_chain; subblock_node; subblock_node = TREE_CHAIN (subblock_node)) BLOCK_SUPERCONTEXT (subblock_node) = block_node; /* Clear out the meanings of the local variables of this level. */ for (subblock_node = decl_chain; subblock_node; subblock_node = TREE_CHAIN (subblock_node)) if (DECL_NAME (subblock_node) != 0) /* If the identifier was used or addressed via a local extern decl, don't forget that fact. */ if (DECL_EXTERNAL (subblock_node)) { if (TREE_USED (subblock_node)) TREE_USED (DECL_NAME (subblock_node)) = 1; if (TREE_ADDRESSABLE (subblock_node)) TREE_ADDRESSABLE (DECL_ASSEMBLER_NAME (subblock_node)) = 1; } /* Pop the current level. */ current_binding_level = current_binding_level->level_chain; if (functionbody) /* This is the top level block of a function. */ DECL_INITIAL (current_function_decl) = block_node; else if (current_binding_level == global_binding_level) /* When using gfc_start_block/gfc_finish_block from middle-end hooks, don't add newly created BLOCKs as subblocks of global_binding_level. */ ; else if (block_node) { current_binding_level->blocks = chainon (current_binding_level->blocks, block_node); } /* If we did not make a block for the level just exited, any blocks made for inner levels (since they cannot be recorded as subblocks in that level) must be carried forward so they will later become subblocks of something else. */ else if (subblock_chain) current_binding_level->blocks = chainon (current_binding_level->blocks, subblock_chain); if (block_node) TREE_USED (block_node) = 1; return block_node; } /* Records a ..._DECL node DECL as belonging to the current lexical scope. Returns the ..._DECL node. */ tree pushdecl (tree decl) { /* External objects aren't nested, other objects may be. */ if ((DECL_EXTERNAL (decl)) || (decl == current_function_decl)) DECL_CONTEXT (decl) = 0; else DECL_CONTEXT (decl) = current_function_decl; /* Put the declaration on the list. The list of declarations is in reverse order. The list will be reversed later if necessary. This needs to be this way for compatibility with the back-end. */ TREE_CHAIN (decl) = current_binding_level->names; current_binding_level->names = decl; /* For the declaration of a type, set its name if it is not already set. */ if (TREE_CODE (decl) == TYPE_DECL && TYPE_NAME (TREE_TYPE (decl)) == 0) { if (DECL_SOURCE_LINE (decl) == 0) TYPE_NAME (TREE_TYPE (decl)) = decl; else TYPE_NAME (TREE_TYPE (decl)) = DECL_NAME (decl); } return decl; } /* Like pushdecl, only it places X in GLOBAL_BINDING_LEVEL. */ tree pushdecl_top_level (tree x) { tree t; struct binding_level *b = current_binding_level; current_binding_level = global_binding_level; t = pushdecl (x); current_binding_level = b; return t; } /* Clear the binding stack. */ static void clear_binding_stack (void) { while (!global_bindings_p ()) poplevel (0, 0, 0); } #ifndef CHAR_TYPE_SIZE #define CHAR_TYPE_SIZE BITS_PER_UNIT #endif #ifndef INT_TYPE_SIZE #define INT_TYPE_SIZE BITS_PER_WORD #endif #undef SIZE_TYPE #define SIZE_TYPE "long unsigned int" /* Create tree nodes for the basic scalar types of Fortran 95, and some nodes representing standard constants (0, 1, (void *) 0). Initialize the global binding level. Make definitions for built-in primitive functions. */ static void gfc_init_decl_processing (void) { current_function_decl = NULL; current_binding_level = NULL_BINDING_LEVEL; free_binding_level = NULL_BINDING_LEVEL; /* Make the binding_level structure for global names. We move all variables that are in a COMMON block to this binding level. */ pushlevel (0); global_binding_level = current_binding_level; /* Build common tree nodes. char_type_node is unsigned because we only use it for actual characters, not for INTEGER(1). Also, we want double_type_node to actually have double precision. */ build_common_tree_nodes (false, false); /* x86_64 mingw32 has a sizetype of "unsigned long long", most other hosts have a sizetype of "unsigned long". Therefore choose the correct size in mostly target independent way. */ if (TYPE_MODE (long_unsigned_type_node) == ptr_mode) set_sizetype (long_unsigned_type_node); else if (TYPE_MODE (long_long_unsigned_type_node) == ptr_mode) set_sizetype (long_long_unsigned_type_node); else set_sizetype (long_unsigned_type_node); build_common_tree_nodes_2 (0); void_list_node = build_tree_list (NULL_TREE, void_type_node); /* Set up F95 type nodes. */ gfc_init_kinds (); gfc_init_types (); } /* Return the typed-based alias set for T, which may be an expression or a type. Return -1 if we don't do anything special. */ static alias_set_type gfc_get_alias_set (tree t) { tree u; /* Permit type-punning when accessing an EQUIVALENCEd variable or mixed type entry master's return value. */ for (u = t; handled_component_p (u); u = TREE_OPERAND (u, 0)) if (TREE_CODE (u) == COMPONENT_REF && TREE_CODE (TREE_TYPE (TREE_OPERAND (u, 0))) == UNION_TYPE) return 0; return -1; } /* press the big red button - garbage (ggc) collection is on */ int ggc_p = 1; /* Builtin function initialization. */ tree gfc_builtin_function (tree decl) { make_decl_rtl (decl); pushdecl (decl); return decl; } static void gfc_define_builtin (const char *name, tree type, int code, const char *library_name, bool const_p) { tree decl; decl = add_builtin_function (name, type, code, BUILT_IN_NORMAL, library_name, NULL_TREE); if (const_p) TREE_READONLY (decl) = 1; TREE_NOTHROW (decl) = 1; built_in_decls[code] = decl; implicit_built_in_decls[code] = decl; } #define DO_DEFINE_MATH_BUILTIN(code, name, argtype, tbase) \ gfc_define_builtin ("__builtin_" name "l", tbase##longdouble[argtype], \ BUILT_IN_ ## code ## L, name "l", true); \ gfc_define_builtin ("__builtin_" name, tbase##double[argtype], \ BUILT_IN_ ## code, name, true); \ gfc_define_builtin ("__builtin_" name "f", tbase##float[argtype], \ BUILT_IN_ ## code ## F, name "f", true); #define DEFINE_MATH_BUILTIN(code, name, argtype) \ DO_DEFINE_MATH_BUILTIN (code, name, argtype, mfunc_) #define DEFINE_MATH_BUILTIN_C(code, name, argtype) \ DO_DEFINE_MATH_BUILTIN (code, name, argtype, mfunc_) \ DO_DEFINE_MATH_BUILTIN (C##code, "c" name, argtype, mfunc_c) /* Create function types for builtin functions. */ static void build_builtin_fntypes (tree *fntype, tree type) { tree tmp; /* type (*) (type) */ tmp = tree_cons (NULL_TREE, type, void_list_node); fntype[0] = build_function_type (type, tmp); /* type (*) (type, type) */ tmp = tree_cons (NULL_TREE, type, tmp); fntype[1] = build_function_type (type, tmp); /* type (*) (int, type) */ tmp = tree_cons (NULL_TREE, integer_type_node, void_list_node); tmp = tree_cons (NULL_TREE, type, tmp); fntype[2] = build_function_type (type, tmp); /* type (*) (void) */ fntype[3] = build_function_type (type, void_list_node); /* type (*) (type, &int) */ tmp = tree_cons (NULL_TREE, type, void_list_node); tmp = tree_cons (NULL_TREE, build_pointer_type (integer_type_node), tmp); fntype[4] = build_function_type (type, tmp); /* type (*) (type, int) */ tmp = tree_cons (NULL_TREE, type, void_list_node); tmp = tree_cons (NULL_TREE, integer_type_node, tmp); fntype[5] = build_function_type (type, tmp); } static tree builtin_type_for_size (int size, bool unsignedp) { tree type = lang_hooks.types.type_for_size (size, unsignedp); return type ? type : error_mark_node; } /* Initialization of builtin function nodes. */ static void gfc_init_builtin_functions (void) { enum builtin_type { #define DEF_PRIMITIVE_TYPE(NAME, VALUE) NAME, #define DEF_FUNCTION_TYPE_0(NAME, RETURN) NAME, #define DEF_FUNCTION_TYPE_1(NAME, RETURN, ARG1) NAME, #define DEF_FUNCTION_TYPE_2(NAME, RETURN, ARG1, ARG2) NAME, #define DEF_FUNCTION_TYPE_3(NAME, RETURN, ARG1, ARG2, ARG3) NAME, #define DEF_FUNCTION_TYPE_4(NAME, RETURN, ARG1, ARG2, ARG3, ARG4) NAME, #define DEF_FUNCTION_TYPE_5(NAME, RETURN, ARG1, ARG2, ARG3, ARG4, ARG5) NAME, #define DEF_FUNCTION_TYPE_6(NAME, RETURN, ARG1, ARG2, ARG3, ARG4, ARG5, ARG6) NAME, #define DEF_FUNCTION_TYPE_7(NAME, RETURN, ARG1, ARG2, ARG3, ARG4, ARG5, ARG6, ARG7) NAME, #define DEF_FUNCTION_TYPE_VAR_0(NAME, RETURN) NAME, #define DEF_POINTER_TYPE(NAME, TYPE) NAME, #include "types.def" #undef DEF_PRIMITIVE_TYPE #undef DEF_FUNCTION_TYPE_0 #undef DEF_FUNCTION_TYPE_1 #undef DEF_FUNCTION_TYPE_2 #undef DEF_FUNCTION_TYPE_3 #undef DEF_FUNCTION_TYPE_4 #undef DEF_FUNCTION_TYPE_5 #undef DEF_FUNCTION_TYPE_6 #undef DEF_FUNCTION_TYPE_7 #undef DEF_FUNCTION_TYPE_VAR_0 #undef DEF_POINTER_TYPE BT_LAST }; typedef enum builtin_type builtin_type; enum { /* So far we need just these 2 attribute types. */ ATTR_NOTHROW_LIST, ATTR_CONST_NOTHROW_LIST }; tree mfunc_float[6]; tree mfunc_double[6]; tree mfunc_longdouble[6]; tree mfunc_cfloat[6]; tree mfunc_cdouble[6]; tree mfunc_clongdouble[6]; tree func_cfloat_float, func_float_cfloat; tree func_cdouble_double, func_double_cdouble; tree func_clongdouble_longdouble, func_longdouble_clongdouble; tree func_float_floatp_floatp; tree func_double_doublep_doublep; tree func_longdouble_longdoublep_longdoublep; tree ftype, ptype; tree tmp, type; tree builtin_types[(int) BT_LAST + 1]; build_builtin_fntypes (mfunc_float, float_type_node); build_builtin_fntypes (mfunc_double, double_type_node); build_builtin_fntypes (mfunc_longdouble, long_double_type_node); build_builtin_fntypes (mfunc_cfloat, complex_float_type_node); build_builtin_fntypes (mfunc_cdouble, complex_double_type_node); build_builtin_fntypes (mfunc_clongdouble, complex_long_double_type_node); tmp = tree_cons (NULL_TREE, complex_float_type_node, void_list_node); func_cfloat_float = build_function_type (float_type_node, tmp); tmp = tree_cons (NULL_TREE, float_type_node, void_list_node); func_float_cfloat = build_function_type (complex_float_type_node, tmp); tmp = tree_cons (NULL_TREE, complex_double_type_node, void_list_node); func_cdouble_double = build_function_type (double_type_node, tmp); tmp = tree_cons (NULL_TREE, double_type_node, void_list_node); func_double_cdouble = build_function_type (complex_double_type_node, tmp); tmp = tree_cons (NULL_TREE, complex_long_double_type_node, void_list_node); func_clongdouble_longdouble = build_function_type (long_double_type_node, tmp); tmp = tree_cons (NULL_TREE, long_double_type_node, void_list_node); func_longdouble_clongdouble = build_function_type (complex_long_double_type_node, tmp); ptype = build_pointer_type (float_type_node); tmp = tree_cons (NULL_TREE, float_type_node, tree_cons (NULL_TREE, ptype, tree_cons (NULL_TREE, ptype, void_list_node))); func_float_floatp_floatp = build_function_type (void_type_node, tmp); ptype = build_pointer_type (double_type_node); tmp = tree_cons (NULL_TREE, double_type_node, tree_cons (NULL_TREE, ptype, tree_cons (NULL_TREE, ptype, void_list_node))); func_double_doublep_doublep = build_function_type (void_type_node, tmp); ptype = build_pointer_type (long_double_type_node); tmp = tree_cons (NULL_TREE, long_double_type_node, tree_cons (NULL_TREE, ptype, tree_cons (NULL_TREE, ptype, void_list_node))); func_longdouble_longdoublep_longdoublep = build_function_type (void_type_node, tmp); #include "mathbuiltins.def" /* We define these separately as the fortran versions have different semantics (they return an integer type) */ gfc_define_builtin ("__builtin_roundl", mfunc_longdouble[0], BUILT_IN_ROUNDL, "roundl", true); gfc_define_builtin ("__builtin_round", mfunc_double[0], BUILT_IN_ROUND, "round", true); gfc_define_builtin ("__builtin_roundf", mfunc_float[0], BUILT_IN_ROUNDF, "roundf", true); gfc_define_builtin ("__builtin_truncl", mfunc_longdouble[0], BUILT_IN_TRUNCL, "truncl", true); gfc_define_builtin ("__builtin_trunc", mfunc_double[0], BUILT_IN_TRUNC, "trunc", true); gfc_define_builtin ("__builtin_truncf", mfunc_float[0], BUILT_IN_TRUNCF, "truncf", true); gfc_define_builtin ("__builtin_cabsl", func_clongdouble_longdouble, BUILT_IN_CABSL, "cabsl", true); gfc_define_builtin ("__builtin_cabs", func_cdouble_double, BUILT_IN_CABS, "cabs", true); gfc_define_builtin ("__builtin_cabsf", func_cfloat_float, BUILT_IN_CABSF, "cabsf", true); gfc_define_builtin ("__builtin_copysignl", mfunc_longdouble[1], BUILT_IN_COPYSIGNL, "copysignl", true); gfc_define_builtin ("__builtin_copysign", mfunc_double[1], BUILT_IN_COPYSIGN, "copysign", true); gfc_define_builtin ("__builtin_copysignf", mfunc_float[1], BUILT_IN_COPYSIGNF, "copysignf", true); gfc_define_builtin ("__builtin_nextafterl", mfunc_longdouble[1], BUILT_IN_NEXTAFTERL, "nextafterl", true); gfc_define_builtin ("__builtin_nextafter", mfunc_double[1], BUILT_IN_NEXTAFTER, "nextafter", true); gfc_define_builtin ("__builtin_nextafterf", mfunc_float[1], BUILT_IN_NEXTAFTERF, "nextafterf", true); gfc_define_builtin ("__builtin_frexpl", mfunc_longdouble[4], BUILT_IN_FREXPL, "frexpl", false); gfc_define_builtin ("__builtin_frexp", mfunc_double[4], BUILT_IN_FREXP, "frexp", false); gfc_define_builtin ("__builtin_frexpf", mfunc_float[4], BUILT_IN_FREXPF, "frexpf", false); gfc_define_builtin ("__builtin_fabsl", mfunc_longdouble[0], BUILT_IN_FABSL, "fabsl", true); gfc_define_builtin ("__builtin_fabs", mfunc_double[0], BUILT_IN_FABS, "fabs", true); gfc_define_builtin ("__builtin_fabsf", mfunc_float[0], BUILT_IN_FABSF, "fabsf", true); gfc_define_builtin ("__builtin_scalbnl", mfunc_longdouble[5], BUILT_IN_SCALBNL, "scalbnl", true); gfc_define_builtin ("__builtin_scalbn", mfunc_double[5], BUILT_IN_SCALBN, "scalbn", true); gfc_define_builtin ("__builtin_scalbnf", mfunc_float[5], BUILT_IN_SCALBNF, "scalbnf", true); gfc_define_builtin ("__builtin_fmodl", mfunc_longdouble[1], BUILT_IN_FMODL, "fmodl", true); gfc_define_builtin ("__builtin_fmod", mfunc_double[1], BUILT_IN_FMOD, "fmod", true); gfc_define_builtin ("__builtin_fmodf", mfunc_float[1], BUILT_IN_FMODF, "fmodf", true); gfc_define_builtin ("__builtin_huge_vall", mfunc_longdouble[3], BUILT_IN_HUGE_VALL, "__builtin_huge_vall", true); gfc_define_builtin ("__builtin_huge_val", mfunc_double[3], BUILT_IN_HUGE_VAL, "__builtin_huge_val", true); gfc_define_builtin ("__builtin_huge_valf", mfunc_float[3], BUILT_IN_HUGE_VALF, "__builtin_huge_valf", true); /* lround{f,,l} and llround{f,,l} */ type = tree_cons (NULL_TREE, float_type_node, void_list_node); tmp = build_function_type (long_integer_type_node, type); gfc_define_builtin ("__builtin_lroundf", tmp, BUILT_IN_LROUNDF, "lroundf", true); tmp = build_function_type (long_long_integer_type_node, type); gfc_define_builtin ("__builtin_llroundf", tmp, BUILT_IN_LLROUNDF, "llroundf", true); type = tree_cons (NULL_TREE, double_type_node, void_list_node); tmp = build_function_type (long_integer_type_node, type); gfc_define_builtin ("__builtin_lround", tmp, BUILT_IN_LROUND, "lround", true); tmp = build_function_type (long_long_integer_type_node, type); gfc_define_builtin ("__builtin_llround", tmp, BUILT_IN_LLROUND, "llround", true); type = tree_cons (NULL_TREE, long_double_type_node, void_list_node); tmp = build_function_type (long_integer_type_node, type); gfc_define_builtin ("__builtin_lroundl", tmp, BUILT_IN_LROUNDL, "lroundl", true); tmp = build_function_type (long_long_integer_type_node, type); gfc_define_builtin ("__builtin_llroundl", tmp, BUILT_IN_LLROUNDL, "llroundl", true); /* These are used to implement the ** operator. */ gfc_define_builtin ("__builtin_powl", mfunc_longdouble[1], BUILT_IN_POWL, "powl", true); gfc_define_builtin ("__builtin_pow", mfunc_double[1], BUILT_IN_POW, "pow", true); gfc_define_builtin ("__builtin_powf", mfunc_float[1], BUILT_IN_POWF, "powf", true); gfc_define_builtin ("__builtin_cpowl", mfunc_clongdouble[1], BUILT_IN_CPOWL, "cpowl", true); gfc_define_builtin ("__builtin_cpow", mfunc_cdouble[1], BUILT_IN_CPOW, "cpow", true); gfc_define_builtin ("__builtin_cpowf", mfunc_cfloat[1], BUILT_IN_CPOWF, "cpowf", true); gfc_define_builtin ("__builtin_powil", mfunc_longdouble[2], BUILT_IN_POWIL, "powil", true); gfc_define_builtin ("__builtin_powi", mfunc_double[2], BUILT_IN_POWI, "powi", true); gfc_define_builtin ("__builtin_powif", mfunc_float[2], BUILT_IN_POWIF, "powif", true); if (TARGET_C99_FUNCTIONS) { gfc_define_builtin ("__builtin_cbrtl", mfunc_longdouble[0], BUILT_IN_CBRTL, "cbrtl", true); gfc_define_builtin ("__builtin_cbrt", mfunc_double[0], BUILT_IN_CBRT, "cbrt", true); gfc_define_builtin ("__builtin_cbrtf", mfunc_float[0], BUILT_IN_CBRTF, "cbrtf", true); gfc_define_builtin ("__builtin_cexpil", func_longdouble_clongdouble, BUILT_IN_CEXPIL, "cexpil", true); gfc_define_builtin ("__builtin_cexpi", func_double_cdouble, BUILT_IN_CEXPI, "cexpi", true); gfc_define_builtin ("__builtin_cexpif", func_float_cfloat, BUILT_IN_CEXPIF, "cexpif", true); } if (TARGET_HAS_SINCOS) { gfc_define_builtin ("__builtin_sincosl", func_longdouble_longdoublep_longdoublep, BUILT_IN_SINCOSL, "sincosl", false); gfc_define_builtin ("__builtin_sincos", func_double_doublep_doublep, BUILT_IN_SINCOS, "sincos", false); gfc_define_builtin ("__builtin_sincosf", func_float_floatp_floatp, BUILT_IN_SINCOSF, "sincosf", false); } /* For LEADZ / TRAILZ. */ tmp = tree_cons (NULL_TREE, unsigned_type_node, void_list_node); ftype = build_function_type (integer_type_node, tmp); gfc_define_builtin ("__builtin_clz", ftype, BUILT_IN_CLZ, "__builtin_clz", true); tmp = tree_cons (NULL_TREE, long_unsigned_type_node, void_list_node); ftype = build_function_type (integer_type_node, tmp); gfc_define_builtin ("__builtin_clzl", ftype, BUILT_IN_CLZL, "__builtin_clzl", true); tmp = tree_cons (NULL_TREE, long_long_unsigned_type_node, void_list_node); ftype = build_function_type (integer_type_node, tmp); gfc_define_builtin ("__builtin_clzll", ftype, BUILT_IN_CLZLL, "__builtin_clzll", true); tmp = tree_cons (NULL_TREE, unsigned_type_node, void_list_node); ftype = build_function_type (integer_type_node, tmp); gfc_define_builtin ("__builtin_ctz", ftype, BUILT_IN_CTZ, "__builtin_ctz", true); tmp = tree_cons (NULL_TREE, long_unsigned_type_node, void_list_node); ftype = build_function_type (integer_type_node, tmp); gfc_define_builtin ("__builtin_ctzl", ftype, BUILT_IN_CTZL, "__builtin_ctzl", true); tmp = tree_cons (NULL_TREE, long_long_unsigned_type_node, void_list_node); ftype = build_function_type (integer_type_node, tmp); gfc_define_builtin ("__builtin_ctzll", ftype, BUILT_IN_CTZLL, "__builtin_ctzll", true); /* Other builtin functions we use. */ tmp = tree_cons (NULL_TREE, long_integer_type_node, void_list_node); tmp = tree_cons (NULL_TREE, long_integer_type_node, tmp); ftype = build_function_type (long_integer_type_node, tmp); gfc_define_builtin ("__builtin_expect", ftype, BUILT_IN_EXPECT, "__builtin_expect", true); tmp = tree_cons (NULL_TREE, pvoid_type_node, void_list_node); ftype = build_function_type (void_type_node, tmp); gfc_define_builtin ("__builtin_free", ftype, BUILT_IN_FREE, "free", false); tmp = tree_cons (NULL_TREE, size_type_node, void_list_node); ftype = build_function_type (pvoid_type_node, tmp); gfc_define_builtin ("__builtin_malloc", ftype, BUILT_IN_MALLOC, "malloc", false); DECL_IS_MALLOC (built_in_decls[BUILT_IN_MALLOC]) = 1; tmp = tree_cons (NULL_TREE, pvoid_type_node, void_list_node); tmp = tree_cons (NULL_TREE, size_type_node, tmp); ftype = build_function_type (pvoid_type_node, tmp); gfc_define_builtin ("__builtin_realloc", ftype, BUILT_IN_REALLOC, "realloc", false); tmp = tree_cons (NULL_TREE, void_type_node, void_list_node); ftype = build_function_type (integer_type_node, tmp); gfc_define_builtin ("__builtin_isnan", ftype, BUILT_IN_ISNAN, "__builtin_isnan", true); #define DEF_PRIMITIVE_TYPE(ENUM, VALUE) \ builtin_types[(int) ENUM] = VALUE; #define DEF_FUNCTION_TYPE_0(ENUM, RETURN) \ builtin_types[(int) ENUM] \ = build_function_type (builtin_types[(int) RETURN], \ void_list_node); #define DEF_FUNCTION_TYPE_1(ENUM, RETURN, ARG1) \ builtin_types[(int) ENUM] \ = build_function_type (builtin_types[(int) RETURN], \ tree_cons (NULL_TREE, \ builtin_types[(int) ARG1], \ void_list_node)); #define DEF_FUNCTION_TYPE_2(ENUM, RETURN, ARG1, ARG2) \ builtin_types[(int) ENUM] \ = build_function_type \ (builtin_types[(int) RETURN], \ tree_cons (NULL_TREE, \ builtin_types[(int) ARG1], \ tree_cons (NULL_TREE, \ builtin_types[(int) ARG2], \ void_list_node))); #define DEF_FUNCTION_TYPE_3(ENUM, RETURN, ARG1, ARG2, ARG3) \ builtin_types[(int) ENUM] \ = build_function_type \ (builtin_types[(int) RETURN], \ tree_cons (NULL_TREE, \ builtin_types[(int) ARG1], \ tree_cons (NULL_TREE, \ builtin_types[(int) ARG2], \ tree_cons (NULL_TREE, \ builtin_types[(int) ARG3], \ void_list_node)))); #define DEF_FUNCTION_TYPE_4(ENUM, RETURN, ARG1, ARG2, ARG3, ARG4) \ builtin_types[(int) ENUM] \ = build_function_type \ (builtin_types[(int) RETURN], \ tree_cons (NULL_TREE, \ builtin_types[(int) ARG1], \ tree_cons (NULL_TREE, \ builtin_types[(int) ARG2], \ tree_cons \ (NULL_TREE, \ builtin_types[(int) ARG3], \ tree_cons (NULL_TREE, \ builtin_types[(int) ARG4], \ void_list_node))))); #define DEF_FUNCTION_TYPE_5(ENUM, RETURN, ARG1, ARG2, ARG3, ARG4, ARG5) \ builtin_types[(int) ENUM] \ = build_function_type \ (builtin_types[(int) RETURN], \ tree_cons (NULL_TREE, \ builtin_types[(int) ARG1], \ tree_cons (NULL_TREE, \ builtin_types[(int) ARG2], \ tree_cons \ (NULL_TREE, \ builtin_types[(int) ARG3], \ tree_cons (NULL_TREE, \ builtin_types[(int) ARG4], \ tree_cons (NULL_TREE, \ builtin_types[(int) ARG5],\ void_list_node)))))); #define DEF_FUNCTION_TYPE_6(ENUM, RETURN, ARG1, ARG2, ARG3, ARG4, ARG5, \ ARG6) \ builtin_types[(int) ENUM] \ = build_function_type \ (builtin_types[(int) RETURN], \ tree_cons (NULL_TREE, \ builtin_types[(int) ARG1], \ tree_cons (NULL_TREE, \ builtin_types[(int) ARG2], \ tree_cons \ (NULL_TREE, \ builtin_types[(int) ARG3], \ tree_cons \ (NULL_TREE, \ builtin_types[(int) ARG4], \ tree_cons (NULL_TREE, \ builtin_types[(int) ARG5], \ tree_cons (NULL_TREE, \ builtin_types[(int) ARG6],\ void_list_node))))))); #define DEF_FUNCTION_TYPE_7(ENUM, RETURN, ARG1, ARG2, ARG3, ARG4, ARG5, \ ARG6, ARG7) \ builtin_types[(int) ENUM] \ = build_function_type \ (builtin_types[(int) RETURN], \ tree_cons (NULL_TREE, \ builtin_types[(int) ARG1], \ tree_cons (NULL_TREE, \ builtin_types[(int) ARG2], \ tree_cons \ (NULL_TREE, \ builtin_types[(int) ARG3], \ tree_cons \ (NULL_TREE, \ builtin_types[(int) ARG4], \ tree_cons (NULL_TREE, \ builtin_types[(int) ARG5], \ tree_cons (NULL_TREE, \ builtin_types[(int) ARG6],\ tree_cons (NULL_TREE, \ builtin_types[(int) ARG6], \ void_list_node)))))))); #define DEF_FUNCTION_TYPE_VAR_0(ENUM, RETURN) \ builtin_types[(int) ENUM] \ = build_function_type (builtin_types[(int) RETURN], NULL_TREE); #define DEF_POINTER_TYPE(ENUM, TYPE) \ builtin_types[(int) ENUM] \ = build_pointer_type (builtin_types[(int) TYPE]); #include "types.def" #undef DEF_PRIMITIVE_TYPE #undef DEF_FUNCTION_TYPE_1 #undef DEF_FUNCTION_TYPE_2 #undef DEF_FUNCTION_TYPE_3 #undef DEF_FUNCTION_TYPE_4 #undef DEF_FUNCTION_TYPE_5 #undef DEF_FUNCTION_TYPE_6 #undef DEF_FUNCTION_TYPE_VAR_0 #undef DEF_POINTER_TYPE builtin_types[(int) BT_LAST] = NULL_TREE; /* Initialize synchronization builtins. */ #undef DEF_SYNC_BUILTIN #define DEF_SYNC_BUILTIN(code, name, type, attr) \ gfc_define_builtin (name, builtin_types[type], code, name, \ attr == ATTR_CONST_NOTHROW_LIST); #include "../sync-builtins.def" #undef DEF_SYNC_BUILTIN if (gfc_option.flag_openmp || flag_tree_parallelize_loops) { #undef DEF_GOMP_BUILTIN #define DEF_GOMP_BUILTIN(code, name, type, attr) \ gfc_define_builtin ("__builtin_" name, builtin_types[type], \ code, name, attr == ATTR_CONST_NOTHROW_LIST); #include "../omp-builtins.def" #undef DEF_GOMP_BUILTIN } gfc_define_builtin ("__builtin_trap", builtin_types[BT_FN_VOID], BUILT_IN_TRAP, NULL, false); TREE_THIS_VOLATILE (built_in_decls[BUILT_IN_TRAP]) = 1; gfc_define_builtin ("__emutls_get_address", builtin_types[BT_FN_PTR_PTR], BUILT_IN_EMUTLS_GET_ADDRESS, "__emutls_get_address", true); gfc_define_builtin ("__emutls_register_common", builtin_types[BT_FN_VOID_PTR_WORD_WORD_PTR], BUILT_IN_EMUTLS_REGISTER_COMMON, "__emutls_register_common", false); build_common_builtin_nodes (); targetm.init_builtins (); } #undef DEFINE_MATH_BUILTIN_C #undef DEFINE_MATH_BUILTIN static void gfc_init_ts (void) { tree_contains_struct[NAMESPACE_DECL][TS_DECL_NON_COMMON] = 1; tree_contains_struct[NAMESPACE_DECL][TS_DECL_WITH_VIS] = 1; tree_contains_struct[NAMESPACE_DECL][TS_DECL_WRTL] = 1; tree_contains_struct[NAMESPACE_DECL][TS_DECL_COMMON] = 1; tree_contains_struct[NAMESPACE_DECL][TS_DECL_MINIMAL] = 1; } void gfc_maybe_initialize_eh (void) { if (!flag_exceptions || gfc_eh_initialized_p) return; gfc_eh_initialized_p = true; using_eh_for_cleanups (); } #include "gt-fortran-f95-lang.h" #include "gtype-fortran.h"