#include "tree-flow.h"
#include "params.h"
+/* Each tree code class has an associated string representation.
+ These must correspond to the tree_code_class entries. */
+
+const char *const tree_code_class_strings[] =
+{
+ "exceptional",
+ "constant",
+ "type",
+ "declaration",
+ "reference",
+ "comparison",
+ "unary",
+ "binary",
+ "statement",
+ "expression",
+};
+
/* obstack.[ch] explicitly declined to prototype this. */
extern int _obstack_allocated_p (struct obstack *h, void *obj);
static GTY ((if_marked ("type_hash_marked_p"), param_is (struct type_hash)))
htab_t type_hash_table;
+/* Hash table and temporary node for larger integer const values. */
+static GTY (()) tree int_cst_node;
+static GTY ((if_marked ("ggc_marked_p"), param_is (union tree_node)))
+ htab_t int_cst_hash_table;
+
static void set_type_quals (tree, int);
static int type_hash_eq (const void *, const void *);
static hashval_t type_hash_hash (const void *);
+static hashval_t int_cst_hash_hash (const void *);
+static int int_cst_hash_eq (const void *, const void *);
static void print_type_hash_statistics (void);
static tree make_vector_type (tree, int, enum machine_mode);
static int type_hash_marked_p (const void *);
/* Initialize the hash table of types. */
type_hash_table = htab_create_ggc (TYPE_HASH_INITIAL_SIZE, type_hash_hash,
type_hash_eq, 0);
+ int_cst_hash_table = htab_create_ggc (1024, int_cst_hash_hash,
+ int_cst_hash_eq, NULL);
+ int_cst_node = make_node (INTEGER_CST);
}
\f
return DECL_CHECK (decl)->decl.assembler_name;
}
-/* Compute the number of bytes occupied by a tree with code CODE. This
- function cannot be used for TREE_VEC or PHI_NODE codes, which are of
- variable length. */
+/* Compute the number of bytes occupied by a tree with code CODE.
+ This function cannot be used for TREE_VEC, PHI_NODE, or STRING_CST
+ codes, which are of variable length. */
size_t
tree_code_size (enum tree_code code)
{
- /* We can't state the size of a TREE_VEC or PHI_NODE
- without knowing how many elements it will have. */
- gcc_assert (code != TREE_VEC);
- gcc_assert (code != PHI_NODE);
-
switch (TREE_CODE_CLASS (code))
{
- case 'd': /* A decl node */
+ case tcc_declaration: /* A decl node */
return sizeof (struct tree_decl);
- case 't': /* a type node */
+ case tcc_type: /* a type node */
return sizeof (struct tree_type);
- case 'r': /* a reference */
- case 'e': /* an expression */
- case 's': /* an expression with side effects */
- case '<': /* a comparison expression */
- case '1': /* a unary arithmetic expression */
- case '2': /* a binary arithmetic expression */
+ case tcc_reference: /* a reference */
+ case tcc_expression: /* an expression */
+ case tcc_statement: /* an expression with side effects */
+ case tcc_comparison: /* a comparison expression */
+ case tcc_unary: /* a unary arithmetic expression */
+ case tcc_binary: /* a binary arithmetic expression */
return (sizeof (struct tree_exp)
+ (TREE_CODE_LENGTH (code) - 1) * sizeof (char *));
- case 'c': /* a constant */
+ case tcc_constant: /* a constant */
switch (code)
{
case INTEGER_CST: return sizeof (struct tree_int_cst);
case REAL_CST: return sizeof (struct tree_real_cst);
case COMPLEX_CST: return sizeof (struct tree_complex);
case VECTOR_CST: return sizeof (struct tree_vector);
- case STRING_CST: return sizeof (struct tree_string);
+ case STRING_CST: gcc_unreachable ();
default:
return lang_hooks.tree_size (code);
}
- case 'x': /* something random, like an identifier. */
+ case tcc_exceptional: /* something random, like an identifier. */
switch (code)
{
case IDENTIFIER_NODE: return lang_hooks.identifier_size;
case ERROR_MARK:
case PLACEHOLDER_EXPR: return sizeof (struct tree_common);
- case PHI_NODE:
+ case TREE_VEC:
+ case PHI_NODE: gcc_unreachable ();
case SSA_NAME: return sizeof (struct tree_ssa_name);
return (sizeof (struct tree_vec)
+ (TREE_VEC_LENGTH (node) - 1) * sizeof(char *));
+ case STRING_CST:
+ return sizeof (struct tree_string) + TREE_STRING_LENGTH (node) - 1;
+
default:
return tree_code_size (code);
}
make_node_stat (enum tree_code code MEM_STAT_DECL)
{
tree t;
- int type = TREE_CODE_CLASS (code);
+ enum tree_code_class type = TREE_CODE_CLASS (code);
size_t length = tree_code_size (code);
#ifdef GATHER_STATISTICS
tree_node_kind kind;
switch (type)
{
- case 'd': /* A decl node */
+ case tcc_declaration: /* A decl node */
kind = d_kind;
break;
- case 't': /* a type node */
+ case tcc_type: /* a type node */
kind = t_kind;
break;
- case 's': /* an expression with side effects */
+ case tcc_statement: /* an expression with side effects */
kind = s_kind;
break;
- case 'r': /* a reference */
+ case tcc_reference: /* a reference */
kind = r_kind;
break;
- case 'e': /* an expression */
- case '<': /* a comparison expression */
- case '1': /* a unary arithmetic expression */
- case '2': /* a binary arithmetic expression */
+ case tcc_expression: /* an expression */
+ case tcc_comparison: /* a comparison expression */
+ case tcc_unary: /* a unary arithmetic expression */
+ case tcc_binary: /* a binary arithmetic expression */
kind = e_kind;
break;
- case 'c': /* a constant */
+ case tcc_constant: /* a constant */
kind = c_kind;
break;
- case 'x': /* something random, like an identifier. */
- if (code == IDENTIFIER_NODE)
- kind = id_kind;
- else if (code == TREE_VEC)
- kind = vec_kind;
- else if (code == TREE_BINFO)
- kind = binfo_kind;
- else if (code == PHI_NODE)
- kind = phi_kind;
- else if (code == SSA_NAME)
- kind = ssa_name_kind;
- else if (code == BLOCK)
- kind = b_kind;
- else
- kind = x_kind;
- break;
+ case tcc_exceptional: /* something random, like an identifier. */
+ switch (code)
+ {
+ case IDENTIFIER_NODE:
+ kind = id_kind;
+ break;
+
+ case TREE_VEC:;
+ kind = vec_kind;
+ break;
+ case TREE_BINFO:
+ kind = binfo_kind;
+ break;
+
+ case PHI_NODE:
+ kind = phi_kind;
+ break;
+
+ case SSA_NAME:
+ kind = ssa_name_kind;
+ break;
+
+ case BLOCK:
+ kind = b_kind;
+ break;
+
+ default:
+ kind = x_kind;
+ break;
+ }
+ break;
+
default:
gcc_unreachable ();
}
switch (type)
{
- case 's':
+ case tcc_statement:
TREE_SIDE_EFFECTS (t) = 1;
break;
- case 'd':
+ case tcc_declaration:
if (code != FUNCTION_DECL)
DECL_ALIGN (t) = 1;
DECL_USER_ALIGN (t) = 0;
DECL_POINTER_ALIAS_SET (t) = -1;
break;
- case 't':
+ case tcc_type:
TYPE_UID (t) = next_type_uid++;
TYPE_ALIGN (t) = char_type_node ? TYPE_ALIGN (char_type_node) : 0;
TYPE_USER_ALIGN (t) = 0;
TYPE_ALIAS_SET (t) = -1;
break;
- case 'c':
+ case tcc_constant:
TREE_CONSTANT (t) = 1;
TREE_INVARIANT (t) = 1;
break;
- case 'e':
+ case tcc_expression:
switch (code)
{
case INIT_EXPR:
break;
}
break;
+
+ default:
+ /* Other classes need no special treatment. */
+ break;
}
return t;
TREE_VISITED (t) = 0;
t->common.ann = 0;
- if (TREE_CODE_CLASS (code) == 'd')
+ if (TREE_CODE_CLASS (code) == tcc_declaration)
DECL_UID (t) = next_decl_uid++;
- else if (TREE_CODE_CLASS (code) == 't')
+ else if (TREE_CODE_CLASS (code) == tcc_type)
{
TYPE_UID (t) = next_type_uid++;
/* The following is so that the debug code for
return ret;
}
+/* These are the hash table functions for the hash table of INTEGER_CST
+ nodes of a sizetype. */
+
+/* Return the hash code code X, an INTEGER_CST. */
+
+static hashval_t
+int_cst_hash_hash (const void *x)
+{
+ tree t = (tree) x;
+
+ return (TREE_INT_CST_HIGH (t) ^ TREE_INT_CST_LOW (t)
+ ^ htab_hash_pointer (TREE_TYPE (t)));
+}
+
+/* Return nonzero if the value represented by *X (an INTEGER_CST tree node)
+ is the same as that given by *Y, which is the same. */
+
+static int
+int_cst_hash_eq (const void *x, const void *y)
+{
+ tree xt = (tree) x;
+ tree yt = (tree) y;
+
+ return (TREE_TYPE (xt) == TREE_TYPE (yt)
+ && TREE_INT_CST_HIGH (xt) == TREE_INT_CST_HIGH (yt)
+ && TREE_INT_CST_LOW (xt) == TREE_INT_CST_LOW (yt));
+}
+
/* Create an INT_CST node of TYPE and value HI:LOW. If TYPE is NULL,
- integer_type_node is used. */
+ integer_type_node is used. The returned node is always shared.
+ For small integers we use a per-type vector cache, for larger ones
+ we use a single hash table. */
tree
build_int_cst_wide (tree type, unsigned HOST_WIDE_INT low, HOST_WIDE_INT hi)
if (ix >= 0)
{
+ /* Look for it in the type's vector of small shared ints. */
if (!TYPE_CACHED_VALUES_P (type))
{
TYPE_CACHED_VALUES_P (type) = 1;
gcc_assert (TREE_TYPE (t) == type);
gcc_assert (TREE_INT_CST_LOW (t) == low);
gcc_assert (TREE_INT_CST_HIGH (t) == hi);
- return t;
}
- }
+ else
+ {
+ /* Create a new shared int. */
+ t = make_node (INTEGER_CST);
- t = make_node (INTEGER_CST);
+ TREE_INT_CST_LOW (t) = low;
+ TREE_INT_CST_HIGH (t) = hi;
+ TREE_TYPE (t) = type;
+
+ TREE_VEC_ELT (TYPE_CACHED_VALUES (type), ix) = t;
+ }
+ }
+ else
+ {
+ /* Use the cache of larger shared ints. */
+ void **slot;
- TREE_INT_CST_LOW (t) = low;
- TREE_INT_CST_HIGH (t) = hi;
- TREE_TYPE (t) = type;
+ TREE_INT_CST_LOW (int_cst_node) = low;
+ TREE_INT_CST_HIGH (int_cst_node) = hi;
+ TREE_TYPE (int_cst_node) = type;
- if (ix >= 0)
- TREE_VEC_ELT (TYPE_CACHED_VALUES (type), ix) = t;
+ slot = htab_find_slot (int_cst_hash_table, int_cst_node, INSERT);
+ t = *slot;
+ if (!t)
+ {
+ /* Insert this one into the hash table. */
+ t = int_cst_node;
+ *slot = t;
+ /* Make a new node for next time round. */
+ int_cst_node = make_node (INTEGER_CST);
+ }
+ }
return t;
}
+/* Builds an integer constant in TYPE such that lowest BITS bits are ones
+ and the rest are zeros. */
+
+tree
+build_low_bits_mask (tree type, unsigned bits)
+{
+ unsigned HOST_WIDE_INT low;
+ HOST_WIDE_INT high;
+ unsigned HOST_WIDE_INT all_ones = ~(unsigned HOST_WIDE_INT) 0;
+
+ gcc_assert (bits <= TYPE_PRECISION (type));
+
+ if (bits == TYPE_PRECISION (type)
+ && !TYPE_UNSIGNED (type))
+ {
+ /* Sign extended all-ones mask. */
+ low = all_ones;
+ high = -1;
+ }
+ else if (bits <= HOST_BITS_PER_WIDE_INT)
+ {
+ low = all_ones >> (HOST_BITS_PER_WIDE_INT - bits);
+ high = 0;
+ }
+ else
+ {
+ bits -= HOST_BITS_PER_WIDE_INT;
+ low = all_ones;
+ high = all_ones >> (HOST_BITS_PER_WIDE_INT - bits);
+ }
+
+ return build_int_cst_wide (type, low, high);
+}
+
/* Checks that X is integer constant that can be expressed in (unsigned)
HOST_WIDE_INT without loss of precision. */
tree
build_string (int len, const char *str)
{
- tree s = make_node (STRING_CST);
+ tree s;
+ size_t length;
+
+ length = len + sizeof (struct tree_string);
+#ifdef GATHER_STATISTICS
+ tree_node_counts[(int) c_kind]++;
+ tree_node_sizes[(int) c_kind] += length;
+#endif
+
+ s = ggc_alloc_tree (length);
+
+ memset (s, 0, sizeof (struct tree_common));
+ TREE_SET_CODE (s, STRING_CST);
TREE_STRING_LENGTH (s) = len;
- TREE_STRING_POINTER (s) = ggc_alloc_string (str, len);
+ memcpy ((char *) TREE_STRING_POINTER (s), str, len);
+ ((char *) TREE_STRING_POINTER (s))[len] = '\0';
return s;
}
&& ! DECL_NON_ADDR_CONST_P (arg)
? arg : NULL);
+ case CONST_DECL:
+ return ((TREE_STATIC (arg) || DECL_EXTERNAL (arg))
+ ? arg : NULL);
+
case CONSTRUCTOR:
return TREE_STATIC (arg) ? arg : NULL;
case BIT_FIELD_REF:
return NULL;
+ case MISALIGNED_INDIRECT_REF:
+ case ALIGN_INDIRECT_REF:
case INDIRECT_REF:
return TREE_CONSTANT (TREE_OPERAND (arg, 0)) ? arg : NULL;
inner = expr;
while (1)
{
- if (TREE_CODE_CLASS (TREE_CODE (inner)) == '1')
+ if (UNARY_CLASS_P (inner))
inner = TREE_OPERAND (inner, 0);
- else if (TREE_CODE_CLASS (TREE_CODE (inner)) == '2')
+ else if (BINARY_CLASS_P (inner))
{
if (TREE_INVARIANT (TREE_OPERAND (inner, 1)))
inner = TREE_OPERAND (inner, 0);
switch (TREE_CODE_CLASS (code))
{
- case 'd': return TS_DECL;
- case 't': return TS_TYPE;
- case 'r': case '<': case '1': case '2': case 'e': case 's':
+ case tcc_declaration:
+ return TS_DECL;
+ case tcc_type:
+ return TS_TYPE;
+ case tcc_reference:
+ case tcc_comparison:
+ case tcc_unary:
+ case tcc_binary:
+ case tcc_expression:
+ case tcc_statement:
return TS_EXP;
- default: /* 'c' and 'x' */
+ default: /* tcc_constant and tcc_exceptional */
break;
}
switch (code)
{
- /* 'c' cases. */
+ /* tcc_constant cases. */
case INTEGER_CST: return TS_INT_CST;
case REAL_CST: return TS_REAL_CST;
case COMPLEX_CST: return TS_COMPLEX;
case VECTOR_CST: return TS_VECTOR;
case STRING_CST: return TS_STRING;
- /* 'x' cases. */
+ /* tcc_exceptional cases. */
case ERROR_MARK: return TS_COMMON;
case IDENTIFIER_NODE: return TS_IDENTIFIER;
case TREE_LIST: return TS_LIST;
switch (TREE_CODE_CLASS (code))
{
- case 'r':
+ case tcc_reference:
/* Don't look at any PLACEHOLDER_EXPRs that might be in index or bit
position computations since they will be converted into a
WITH_RECORD_EXPR involving the reference, which will assume
here will be valid. */
return CONTAINS_PLACEHOLDER_P (TREE_OPERAND (exp, 0));
- case 'x':
+ case tcc_exceptional:
if (code == TREE_LIST)
return (CONTAINS_PLACEHOLDER_P (TREE_VALUE (exp))
|| CONTAINS_PLACEHOLDER_P (TREE_CHAIN (exp)));
break;
- case '1':
- case '2': case '<':
- case 'e':
+ case tcc_unary:
+ case tcc_binary:
+ case tcc_comparison:
+ case tcc_expression:
switch (code)
{
case COMPOUND_EXPR:
/* If this expression is getting a value from a PLACEHOLDER_EXPR
and it is the right field, replace it with R. */
for (inner = TREE_OPERAND (exp, 0);
- TREE_CODE_CLASS (TREE_CODE (inner)) == 'r';
+ REFERENCE_CLASS_P (inner);
inner = TREE_OPERAND (inner, 0))
;
if (TREE_CODE (inner) == PLACEHOLDER_EXPR
else
switch (TREE_CODE_CLASS (code))
{
- case 'c':
- case 'd':
+ case tcc_constant:
+ case tcc_declaration:
return exp;
- case 'x':
- case '1':
- case '2':
- case '<':
- case 'e':
- case 'r':
+ case tcc_exceptional:
+ case tcc_unary:
+ case tcc_binary:
+ case tcc_comparison:
+ case tcc_expression:
+ case tcc_reference:
switch (first_rtl_op (code))
{
case 0:
elt = ((TREE_CODE (elt) == COMPOUND_EXPR
|| TREE_CODE (elt) == COND_EXPR)
? TREE_OPERAND (elt, 1)
- : (TREE_CODE_CLASS (TREE_CODE (elt)) == 'r'
- || TREE_CODE_CLASS (TREE_CODE (elt)) == '1'
- || TREE_CODE_CLASS (TREE_CODE (elt)) == '2'
- || TREE_CODE_CLASS (TREE_CODE (elt)) == 'e')
+ : (REFERENCE_CLASS_P (elt)
+ || UNARY_CLASS_P (elt)
+ || BINARY_CLASS_P (elt)
+ || EXPRESSION_CLASS_P (elt))
? TREE_OPERAND (elt, 0) : 0))
if (TYPE_MAIN_VARIANT (TREE_TYPE (elt)) == need_type)
return elt;
elt = ((TREE_CODE (elt) == COMPOUND_EXPR
|| TREE_CODE (elt) == COND_EXPR)
? TREE_OPERAND (elt, 1)
- : (TREE_CODE_CLASS (TREE_CODE (elt)) == 'r'
- || TREE_CODE_CLASS (TREE_CODE (elt)) == '1'
- || TREE_CODE_CLASS (TREE_CODE (elt)) == '2'
- || TREE_CODE_CLASS (TREE_CODE (elt)) == 'e')
+ : (REFERENCE_CLASS_P (elt)
+ || UNARY_CLASS_P (elt)
+ || BINARY_CLASS_P (elt)
+ || EXPRESSION_CLASS_P (elt))
? TREE_OPERAND (elt, 0) : 0))
if (POINTER_TYPE_P (TREE_TYPE (elt))
&& (TYPE_MAIN_VARIANT (TREE_TYPE (TREE_TYPE (elt)))
else
switch (TREE_CODE_CLASS (code))
{
- case 'c':
- case 'd':
+ case tcc_constant:
+ case tcc_declaration:
return exp;
- case 'x':
- case '1':
- case '2':
- case '<':
- case 'e':
- case 'r':
- case 's':
+ case tcc_exceptional:
+ case tcc_unary:
+ case tcc_binary:
+ case tcc_comparison:
+ case tcc_expression:
+ case tcc_reference:
+ case tcc_statement:
switch (first_rtl_op (code))
{
case 0:
switch (TREE_CODE_CLASS (code))
{
- case 'x':
- case 't':
- case 'd':
- case '<':
- case 's':
- case 'e':
- case 'r':
+ case tcc_exceptional:
+ case tcc_type:
+ case tcc_declaration:
+ case tcc_comparison:
+ case tcc_statement:
+ case tcc_expression:
+ case tcc_reference:
/* If the expression has side-effects, then encase it in a SAVE_EXPR
so that it will only be evaluated once. */
/* The reference (r) and comparison (<) classes could be handled as
return save_expr (e);
return e;
- case 'c':
+ case tcc_constant:
/* Constants need no processing. In fact, we should never reach
here. */
return e;
- case '2':
+ case tcc_binary:
/* Division is slow and tends to be compiled with jumps,
especially the division by powers of 2 that is often
found inside of an array reference. So do it just once. */
stabilize_reference_1 (TREE_OPERAND (e, 1)));
break;
- case '1':
+ case tcc_unary:
/* Recursively stabilize each operand. */
result = build_nt (code, stabilize_reference_1 (TREE_OPERAND (e, 0)));
break;
}
/* Now see what's inside. If it's an INDIRECT_REF, copy our properties from
- it. If it's a decl, it's invariant and constant if the decl is static.
- It's also invariant if it's a decl in the current function. (Taking the
- address of a volatile variable is not volatile.) If it's a constant,
- the address is both invariant and constant. Otherwise it's neither. */
+ the address, since &(*a)->b is a form of addition. If it's a decl, it's
+ invariant and constant if the decl is static. It's also invariant if it's
+ a decl in the current function. Taking the address of a volatile variable
+ is not volatile. If it's a constant, the address is both invariant and
+ constant. Otherwise it's neither. */
if (TREE_CODE (node) == INDIRECT_REF)
- {
- /* If this is &((T*)0)->field, then this is a form of addition. */
- if (TREE_CODE (TREE_OPERAND (node, 0)) != INTEGER_CST)
- UPDATE_TITCSE (node);
- }
+ UPDATE_TITCSE (TREE_OPERAND (node, 0));
else if (DECL_P (node))
{
if (staticp (node))
else
ti = tc = false;
}
- else if (TREE_CODE_CLASS (TREE_CODE (node)) == 'c')
+ else if (CONSTANT_CLASS_P (node))
;
else
{
#ifdef GATHER_STATISTICS
switch (TREE_CODE_CLASS (code))
{
- case 's': /* an expression with side effects */
+ case tcc_statement: /* an expression with side effects */
kind = s_kind;
break;
- case 'r': /* a reference */
+ case tcc_reference: /* a reference */
kind = r_kind;
break;
default:
TREE_READONLY (t) = TREE_READONLY (node);
}
- if (TREE_CODE_CLASS (code) == 's')
+ if (TREE_CODE_CLASS (code) == tcc_statement)
TREE_SIDE_EFFECTS (t) = 1;
else switch (code)
{
TREE_READONLY (t) = 0;
break;
+ case MISALIGNED_INDIRECT_REF:
+ case ALIGN_INDIRECT_REF:
case INDIRECT_REF:
/* Whether a dereference is readonly has nothing to do with whether
its operand is readonly. */
break;
default:
- if (TREE_CODE_CLASS (code) == '1' && node && !TYPE_P (node)
+ if (TREE_CODE_CLASS (code) == tcc_unary
+ && node && !TYPE_P (node)
&& TREE_CONSTANT (node))
TREE_CONSTANT (t) = 1;
- if (TREE_CODE_CLASS (code) == '1' && node && TREE_INVARIANT (node))
+ if (TREE_CODE_CLASS (code) == tcc_unary
+ && node && TREE_INVARIANT (node))
TREE_INVARIANT (t) = 1;
- if (TREE_CODE_CLASS (code) == 'r' && node && TREE_THIS_VOLATILE (node))
+ if (TREE_CODE_CLASS (code) == tcc_reference
+ && node && TREE_THIS_VOLATILE (node))
TREE_THIS_VOLATILE (t) = 1;
break;
}
/* Expressions without side effects may be constant if their
arguments are as well. */
- constant = (TREE_CODE_CLASS (code) == '<'
- || TREE_CODE_CLASS (code) == '2');
+ constant = (TREE_CODE_CLASS (code) == tcc_comparison
+ || TREE_CODE_CLASS (code) == tcc_binary);
read_only = 1;
side_effects = TREE_SIDE_EFFECTS (t);
invariant = constant;
TREE_INVARIANT (t) = invariant;
TREE_SIDE_EFFECTS (t) = side_effects;
TREE_THIS_VOLATILE (t)
- = TREE_CODE_CLASS (code) == 'r' && arg0 && TREE_THIS_VOLATILE (arg0);
+ = (TREE_CODE_CLASS (code) == tcc_reference
+ && arg0 && TREE_THIS_VOLATILE (arg0));
return t;
}
TREE_SIDE_EFFECTS (t) = side_effects;
TREE_THIS_VOLATILE (t)
- = TREE_CODE_CLASS (code) == 'r' && arg0 && TREE_THIS_VOLATILE (arg0);
+ = (TREE_CODE_CLASS (code) == tcc_reference
+ && arg0 && TREE_THIS_VOLATILE (arg0));
return t;
}
TREE_SIDE_EFFECTS (t) = side_effects;
TREE_THIS_VOLATILE (t)
- = TREE_CODE_CLASS (code) == 'r' && arg0 && TREE_THIS_VOLATILE (arg0);
+ = (TREE_CODE_CLASS (code) == tcc_reference
+ && arg0 && TREE_THIS_VOLATILE (arg0));
return t;
}
switch (TREE_CODE_CLASS (code1))
{
- case '1':
- case '2':
- case '<':
- case 'e':
- case 'r':
- case 's':
+ case tcc_unary:
+ case tcc_binary:
+ case tcc_comparison:
+ case tcc_expression:
+ case tcc_reference:
+ case tcc_statement:
cmp = 1;
for (i = 0; i < TREE_CODE_LENGTH (code1); i++)
{
default:
class = TREE_CODE_CLASS (code);
- if (class == 'd')
+ if (class == tcc_declaration)
{
/* Decls we can just compare by pointer. */
val = iterative_hash_pointer (t, val);
TREE_TYPE (itype) = sizetype;
TYPE_PRECISION (itype) = TYPE_PRECISION (sizetype);
TYPE_MIN_VALUE (itype) = size_zero_node;
- TYPE_MAX_VALUE (itype) = convert (sizetype, maxval);
+ TYPE_MAX_VALUE (itype) = fold_convert (sizetype, maxval);
TYPE_MODE (itype) = TYPE_MODE (sizetype);
TYPE_SIZE (itype) = TYPE_SIZE (sizetype);
TYPE_SIZE_UNIT (itype) = TYPE_SIZE_UNIT (sizetype);
t = make_node (ARRAY_TYPE);
TREE_TYPE (t) = elt_type;
TYPE_DOMAIN (t) = index_type;
-
+
if (index_type == 0)
- return t;
+ {
+ layout_type (t);
+ return t;
+ }
hashcode = iterative_hash_object (TYPE_HASH (elt_type), hashcode);
hashcode = iterative_hash_object (TYPE_HASH (index_type), hashcode);
if (TYPE_P (*tp))
*walk_subtrees = 0;
- else if (DECL_P (*tp) && lang_hooks.tree_inlining.auto_var_in_fn_p (*tp, fn))
+ else if (DECL_P (*tp)
+ && lang_hooks.tree_inlining.auto_var_in_fn_p (*tp, fn))
return *tp;
return NULL_TREE;
code, given in CL. */
void
-tree_class_check_failed (const tree node, int cl, const char *file,
- int line, const char *function)
+tree_class_check_failed (const tree node, const enum tree_code_class cl,
+ const char *file, int line, const char *function)
{
internal_error
- ("tree check: expected class %qc, have %qc (%s) in %s, at %s:%d",
- cl, TREE_CODE_CLASS (TREE_CODE (node)),
+ ("tree check: expected class %qs, have %qs (%s) in %s, at %s:%d",
+ TREE_CODE_CLASS_STRING (cl),
+ TREE_CODE_CLASS_STRING (TREE_CODE_CLASS (TREE_CODE (node))),
tree_code_name[TREE_CODE (node)], function, trim_filename (file), line);
}
}
else if (TREE_CODE (type) == METHOD_TYPE)
{
+ tree argtypes;
inner = reconstruct_complex_type (TREE_TYPE (type), bottom);
+ /* The build_method_type_directly() routine prepends 'this' to argument list,
+ so we must compensate by getting rid of it. */
+ argtypes = TYPE_ARG_TYPES (type);
outer = build_method_type_directly (TYPE_METHOD_BASETYPE (type),
inner,
TYPE_ARG_TYPES (type));
+ TYPE_ARG_TYPES (outer) = argtypes;
}
else
return bottom;
while (1)
{
- a_mod_b = fold (build2 (CEIL_MOD_EXPR, type, a, b));
+ a_mod_b = fold (build2 (FLOOR_MOD_EXPR, type, a, b));
if (!TREE_INT_CST_LOW (a_mod_b)
&& !TREE_INT_CST_HIGH (a_mod_b))
}
}
+/* Returns unsigned variant of TYPE. */
+
+tree
+unsigned_type_for (tree type)
+{
+ return lang_hooks.types.unsigned_type (type);
+}
+
+/* Returns signed variant of TYPE. */
+
+tree
+signed_type_for (tree type)
+{
+ return lang_hooks.types.signed_type (type);
+}
+
#include "gt-tree.h"
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