/* Language-independent node constructors for parse phase of GNU compiler.
Copyright (C) 1987, 1988, 1992, 1993, 1994, 1995, 1996, 1997, 1998,
- 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008
+ 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009
Free Software Foundation, Inc.
This file is part of GCC.
/* Since we cannot rehash a type after it is in the table, we have to
keep the hash code. */
-struct type_hash GTY(())
-{
+struct GTY(()) type_hash {
unsigned long hash;
tree type;
};
tree_contains_struct[TRANSLATION_UNIT_DECL][TS_DECL_MINIMAL] = 1;
tree_contains_struct[LABEL_DECL][TS_DECL_MINIMAL] = 1;
tree_contains_struct[FIELD_DECL][TS_DECL_MINIMAL] = 1;
- tree_contains_struct[NAME_MEMORY_TAG][TS_DECL_MINIMAL] = 1;
- tree_contains_struct[SYMBOL_MEMORY_TAG][TS_DECL_MINIMAL] = 1;
- tree_contains_struct[MEMORY_PARTITION_TAG][TS_DECL_MINIMAL] = 1;
-
- tree_contains_struct[NAME_MEMORY_TAG][TS_MEMORY_TAG] = 1;
- tree_contains_struct[SYMBOL_MEMORY_TAG][TS_MEMORY_TAG] = 1;
- tree_contains_struct[MEMORY_PARTITION_TAG][TS_MEMORY_TAG] = 1;
-
- tree_contains_struct[MEMORY_PARTITION_TAG][TS_MEMORY_PARTITION_TAG] = 1;
tree_contains_struct[VAR_DECL][TS_DECL_WITH_VIS] = 1;
tree_contains_struct[FUNCTION_DECL][TS_DECL_WITH_VIS] = 1;
return sizeof (struct tree_type_decl);
case FUNCTION_DECL:
return sizeof (struct tree_function_decl);
- case NAME_MEMORY_TAG:
- case SYMBOL_MEMORY_TAG:
- return sizeof (struct tree_memory_tag);
- case MEMORY_PARTITION_TAG:
- return sizeof (struct tree_memory_partition_tag);
default:
return sizeof (struct tree_decl_non_common);
}
return chain;
}
+/* Return the node in a chain of nodes whose value is x, NULL if not found. */
+
+tree
+tree_find_value (tree chain, tree x)
+{
+ tree list;
+ for (list = chain; list; list = TREE_CHAIN (list))
+ if (TREE_VALUE (list) == x)
+ return list;
+ return NULL;
+}
+
/* Reverse the order of elements in the chain T,
and return the new head of the chain (old last element). */
return TS_TYPE_DECL;
case FUNCTION_DECL:
return TS_FUNCTION_DECL;
- case SYMBOL_MEMORY_TAG:
- case NAME_MEMORY_TAG:
- case MEMORY_PARTITION_TAG:
- return TS_MEMORY_TAG;
default:
return TS_DECL_NON_COMMON;
}
}
tree
-build7_stat (enum tree_code code, tree tt, tree arg0, tree arg1,
- tree arg2, tree arg3, tree arg4, tree arg5,
- tree arg6 MEM_STAT_DECL)
+build6_stat (enum tree_code code, tree tt, tree arg0, tree arg1,
+ tree arg2, tree arg3, tree arg4, tree arg5 MEM_STAT_DECL)
{
bool constant, read_only, side_effects;
tree t;
PROCESS_ARG(3);
PROCESS_ARG(4);
PROCESS_ARG(5);
- PROCESS_ARG(6);
TREE_SIDE_EFFECTS (t) = side_effects;
TREE_THIS_VOLATILE (t) = 0;
LOC is the location to use in tree T. */
-void protected_set_expr_location (tree t, location_t loc)
+void
+protected_set_expr_location (tree t, location_t loc)
{
if (t && CAN_HAVE_LOCATION_P (t))
SET_EXPR_LOCATION (t, loc);
return build_qualified_type (t, TYPE_QUALS (component_type));
}
+
+/* If TYPE is a real or complex floating-point type and the target
+ does not directly support arithmetic on TYPE then return the wider
+ type to be used for arithmetic on TYPE. Otherwise, return
+ NULL_TREE. */
+
+tree
+excess_precision_type (tree type)
+{
+ if (flag_excess_precision != EXCESS_PRECISION_FAST)
+ {
+ int flt_eval_method = TARGET_FLT_EVAL_METHOD;
+ switch (TREE_CODE (type))
+ {
+ case REAL_TYPE:
+ switch (flt_eval_method)
+ {
+ case 1:
+ if (TYPE_MODE (type) == TYPE_MODE (float_type_node))
+ return double_type_node;
+ break;
+ case 2:
+ if (TYPE_MODE (type) == TYPE_MODE (float_type_node)
+ || TYPE_MODE (type) == TYPE_MODE (double_type_node))
+ return long_double_type_node;
+ break;
+ default:
+ gcc_unreachable ();
+ }
+ break;
+ case COMPLEX_TYPE:
+ if (TREE_CODE (TREE_TYPE (type)) != REAL_TYPE)
+ return NULL_TREE;
+ switch (flt_eval_method)
+ {
+ case 1:
+ if (TYPE_MODE (TREE_TYPE (type)) == TYPE_MODE (float_type_node))
+ return complex_double_type_node;
+ break;
+ case 2:
+ if (TYPE_MODE (TREE_TYPE (type)) == TYPE_MODE (float_type_node)
+ || (TYPE_MODE (TREE_TYPE (type))
+ == TYPE_MODE (double_type_node)))
+ return complex_long_double_type_node;
+ break;
+ default:
+ gcc_unreachable ();
+ }
+ break;
+ default:
+ break;
+ }
+ }
+ return NULL_TREE;
+}
\f
/* Return OP, stripped of any conversions to wider types as much as is safe.
Converting the value back to OP's type makes a value equivalent to OP.
tmp = tree_cons (NULL_TREE, inner_type, tmp);
ftype = build_function_type (type, tmp);
- mcode = BUILT_IN_COMPLEX_MUL_MIN + mode - MIN_MODE_COMPLEX_FLOAT;
- dcode = BUILT_IN_COMPLEX_DIV_MIN + mode - MIN_MODE_COMPLEX_FLOAT;
+ mcode = ((enum built_in_function)
+ (BUILT_IN_COMPLEX_MUL_MIN + mode - MIN_MODE_COMPLEX_FLOAT));
+ dcode = ((enum built_in_function)
+ (BUILT_IN_COMPLEX_DIV_MIN + mode - MIN_MODE_COMPLEX_FLOAT));
for (p = GET_MODE_NAME (mode), q = mode_name_buf; *p; p++, q++)
*q = TOLOWER (*p);
return make_vector_type (innertype, nunits, VOIDmode);
}
+/* Similarly, but takes the inner type and number of units, which must be
+ a power of two. */
+
+tree
+build_opaque_vector_type (tree innertype, int nunits)
+{
+ tree t;
+ innertype = build_distinct_type_copy (innertype);
+ t = make_vector_type (innertype, nunits, VOIDmode);
+ TYPE_VECTOR_OPAQUE (t) = true;
+ return t;
+}
+
/* Build RESX_EXPR with given REGION_NUMBER. */
tree
return (t != NULL_TREE);
}
-/* Return the number of arguments that a function has. */
-
-int
-function_args_count (tree fntype)
-{
- function_args_iterator args_iter;
- tree t;
- int num = 0;
-
- if (fntype)
- {
- FOREACH_FUNCTION_ARGS(fntype, t, args_iter)
- {
- num++;
- }
- }
-
- return num;
-}
-
/* If BLOCK is inlined from an __attribute__((__artificial__))
routine, return pointer to location from where it has been
called. */
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