STMT_EXPR_NO_SCOPE (in STMT_EXPR)
1: C_DECLARED_LABEL_FLAG (in LABEL_DECL)
STMT_IS_FULL_EXPR_P (in _STMT)
- 2: STMT_LINENO_FOR_FN_P (in _STMT)
+ 2: unused
3: SCOPE_NO_CLEANUPS_P (in SCOPE_STMT)
COMPOUND_STMT_BODY_BLOCK (in COMPOUND_STMT)
- STMT_EXPR_WARN_UNUSED_RESULT (in STMT_EXPR)
4: SCOPE_PARTIAL_P (in SCOPE_STMT)
*/
/* Language-specific hooks. */
-extern void (*lang_expand_stmt) (tree);
-extern void (*lang_expand_decl_stmt) (tree);
+extern int (*lang_gimplify_stmt) (tree *, tree *);
extern void (*lang_expand_function_end) (void);
/* Callback that determines if it's ok for a function to have no
extern tree walk_stmt_tree (tree *, walk_tree_fn, void *);
extern void prep_stmt (tree);
-extern void expand_stmt (tree);
extern tree c_begin_if_stmt (void);
extern tree c_begin_while_stmt (void);
extern void c_finish_while_stmt_cond (tree, tree);
#define FOR_EXPR(NODE) TREE_OPERAND (FOR_STMT_CHECK (NODE), 2)
#define FOR_BODY(NODE) TREE_OPERAND (FOR_STMT_CHECK (NODE), 3)
-/* SWITCH_STMT accessors. These give access to the condition, body and
- original condition type (before any compiler conversions)
- of the switch statement, respectively. */
-#define SWITCH_COND(NODE) TREE_OPERAND (SWITCH_STMT_CHECK (NODE), 0)
-#define SWITCH_BODY(NODE) TREE_OPERAND (SWITCH_STMT_CHECK (NODE), 1)
#define SWITCH_TYPE(NODE) TREE_OPERAND (SWITCH_STMT_CHECK (NODE), 2)
-
-/* CASE_LABEL accessors. These give access to the high and low values
- of a case label, respectively. */
-#define CASE_LOW(NODE) TREE_OPERAND (CASE_LABEL_CHECK (NODE), 0)
-#define CASE_HIGH(NODE) TREE_OPERAND (CASE_LABEL_CHECK (NODE), 1)
#define CASE_LABEL_DECL(NODE) TREE_OPERAND (CASE_LABEL_CHECK (NODE), 2)
-/* GOTO_STMT accessor. This gives access to the label associated with
- a goto statement. */
-#define GOTO_DESTINATION(NODE) TREE_OPERAND (GOTO_STMT_CHECK (NODE), 0)
/* True for goto created artificially by the compiler. */
#define GOTO_FAKE_P(NODE) (TREE_LANG_FLAG_0 (GOTO_STMT_CHECK (NODE)))
calling TREE_CHAIN on a node in the list. */
#define COMPOUND_BODY(NODE) TREE_OPERAND (COMPOUND_STMT_CHECK (NODE), 0)
-/* ASM_STMT accessors. ASM_STRING returns a STRING_CST for the
- instruction (e.g., "mov x, y"). ASM_OUTPUTS, ASM_INPUTS, and
- ASM_CLOBBERS represent the outputs, inputs, and clobbers for the
- statement. */
-#define ASM_CV_QUAL(NODE) TREE_OPERAND (ASM_STMT_CHECK (NODE), 0)
-#define ASM_STRING(NODE) TREE_OPERAND (ASM_STMT_CHECK (NODE), 1)
-#define ASM_OUTPUTS(NODE) TREE_OPERAND (ASM_STMT_CHECK (NODE), 2)
-#define ASM_INPUTS(NODE) TREE_OPERAND (ASM_STMT_CHECK (NODE), 3)
-#define ASM_CLOBBERS(NODE) TREE_OPERAND (ASM_STMT_CHECK (NODE), 4)
-
/* DECL_STMT accessor. This gives access to the DECL associated with
the given declaration statement. */
#define DECL_STMT_DECL(NODE) TREE_OPERAND (DECL_STMT_CHECK (NODE), 0)
#define STMT_EXPR_NO_SCOPE(NODE) \
TREE_LANG_FLAG_0 (STMT_EXPR_CHECK (NODE))
-/* Nonzero if this statement-expression should cause warning if its result
- is not used. */
-#define STMT_EXPR_WARN_UNUSED_RESULT(NODE) \
- TREE_LANG_FLAG_3 (STMT_EXPR_CHECK (NODE))
-
/* LABEL_STMT accessor. This gives access to the label associated with
the given label statement. */
#define LABEL_STMT_LABEL(NODE) TREE_OPERAND (LABEL_STMT_CHECK (NODE), 0)
#define SCOPE_PARTIAL_P(NODE) \
(TREE_LANG_FLAG_4 (SCOPE_STMT_CHECK (NODE)))
-/* Nonzero for an ASM_STMT if the assembly statement is volatile. */
-#define ASM_VOLATILE_P(NODE) \
- (ASM_CV_QUAL (ASM_STMT_CHECK (NODE)) != NULL_TREE)
-
/* The VAR_DECL to clean up in a CLEANUP_STMT. */
#define CLEANUP_DECL(NODE) \
TREE_OPERAND (CLEANUP_STMT_CHECK (NODE), 0)
#define CLEANUP_EXPR(NODE) \
TREE_OPERAND (CLEANUP_STMT_CHECK (NODE), 1)
-/* The filename we are changing to as of this FILE_STMT. */
-#define FILE_STMT_FILENAME_NODE(NODE) \
- (TREE_OPERAND (FILE_STMT_CHECK (NODE), 0))
-#define FILE_STMT_FILENAME(NODE) \
- (IDENTIFIER_POINTER (FILE_STMT_FILENAME_NODE (NODE)))
-
-/* The line-number at which a statement began. But if
- STMT_LINENO_FOR_FN_P does holds, then this macro gives the
- line number for the end of the current function instead. */
-#define STMT_LINENO(NODE) \
- (TREE_COMPLEXITY ((NODE)))
-
-/* If nonzero, the STMT_LINENO for NODE is the line at which the
- function ended. */
-#define STMT_LINENO_FOR_FN_P(NODE) \
- (TREE_LANG_FLAG_2 ((NODE)))
-
/* Nonzero if we want the new ISO rules for pushing a new scope for `for'
initialization variables. */
#define NEW_FOR_SCOPE_P(NODE) (TREE_LANG_FLAG_0 (NODE))
-/* Nonzero if we want to create an ASM_INPUT instead of an
- ASM_OPERAND with no operands. */
-#define ASM_INPUT_P(NODE) (TREE_LANG_FLAG_0 (NODE))
-
#define DEFTREECODE(SYM, NAME, TYPE, LENGTH) SYM,
enum c_tree_code {
WHILE_STMT, DO_STMT, RETURN_STMT, \
BREAK_STMT, CONTINUE_STMT, SCOPE_STMT, \
SWITCH_STMT, GOTO_STMT, LABEL_STMT, \
- ASM_STMT, FILE_STMT, CASE_LABEL
+ ASM_STMT, CASE_LABEL
/* TRUE if a code represents a statement. The front end init
langhook should take care of initialization of this array. */
statement_code_p[STMT_CODES[i]] = true; \
} while (0)
-extern void genrtl_do_pushlevel (void);
-extern void genrtl_goto_stmt (tree);
-extern void genrtl_expr_stmt (tree);
-extern void genrtl_expr_stmt_value (tree, int, int);
-extern void genrtl_decl_stmt (tree);
-extern void genrtl_if_stmt (tree);
-extern void genrtl_while_stmt (tree);
-extern void genrtl_do_stmt (tree);
-extern void genrtl_return_stmt (tree);
-extern void genrtl_for_stmt (tree);
-extern void genrtl_break_stmt (void);
-extern void genrtl_continue_stmt (void);
-extern void genrtl_scope_stmt (tree);
-extern void genrtl_switch_stmt (tree);
-extern void genrtl_case_label (tree);
-extern void genrtl_compound_stmt (tree);
-extern void genrtl_asm_stmt (tree, tree, tree, tree, tree, int);
-extern void genrtl_cleanup_stmt (tree);
extern int stmts_are_full_exprs_p (void);
extern int anon_aggr_type_p (tree);
#define CLEAR_DECL_C_BIT_FIELD(NODE) \
(DECL_LANG_FLAG_4 (FIELD_DECL_CHECK (NODE)) = 0)
-/* In a VAR_DECL, nonzero if the decl is a register variable with
- an explicit asm specification. */
-#define DECL_C_HARD_REGISTER(DECL) DECL_LANG_FLAG_4 (VAR_DECL_CHECK (DECL))
-
extern void emit_local_var (tree);
extern void make_rtl_for_local_static (tree);
-extern tree expand_cond (tree);
extern tree c_expand_return (tree);
extern tree do_case (tree, tree);
extern tree build_stmt (enum tree_code, ...);
extern tree c_add_case_label (splay_tree, tree, tree, tree);
+extern void c_do_switch_warnings (splay_tree, tree);
+
extern tree build_function_call (tree, tree);
extern tree finish_label_address_expr (tree);
extern bool c_dump_tree (void *, tree);
+extern int c_gimplify_expr (tree *, tree *, tree *);
+extern tree c_walk_subtrees (tree*, int*, walk_tree_fn, void*, void*);
+extern int c_tree_chain_matters_p (tree);
+
+extern void c_warn_unused_result (tree *);
+
+/* In c-simplify.c */
+extern void c_genericize (tree);
+extern int c_gimplify_stmt (tree *);
+extern tree stmt_expr_last_stmt (tree);
+
extern void pch_init (void);
extern int c_common_valid_pch (cpp_reader *pfile, const char *name, int fd);
extern void c_common_read_pch (cpp_reader *pfile, const char *name, int fd,
extern void c_stddef_cpp_builtins (void);
extern void fe_file_change (const struct line_map *);
extern int c_estimate_num_insns (tree decl);
-extern bool c_decl_uninit (tree t);
extern void c_parse_error (const char *, enum cpp_ttype, tree);
/* The following have been moved here from c-tree.h, since they're needed
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