attribs.c (handle_no_check_memory_usage_atribute): Deleted.

	* attribs.c (handle_no_check_memory_usage_atribute): Deleted.
	(c_com): Delete its reference.
	* builtins.c: Delete memory checking code.
	* calls.c, expr.c, function.c, stmt.c: Likewise.
	* builtins.c (expand_builtin_arg_info): Remove reference to
	EXPAND_MEMORY_USE_* modifiers.
	* explow.c (expr_size): Likewise.
	* expr.c (expand_expr, expand_increment): Likewise.
	* expr.h (ARGS_SIZE_RTX): Likewise.
	* function.c (assign_parms, expand_pending_sizeso): Likewise.
	* c-decl.c (duplicate_decls): Don't handle DECL_NO_CHECK_MEMORY_USAGE.
	* expr.c (in_check_memory_usage): Delete.
	(get_push_address, get_memory_usage_from_modifier): Delete.
	(expand_assigment): Use EXPAND_WRITE on destination.
	(expand_expr): Delete ro_modifier.
	* expr.h (expand_modifier): Delete EXPAND_MEMORY_* entries and
	add EXPAND_WRITE.
	(memory_use_mode): Delete.
	* flags.h (flag_check_memory_usage): Deleted.
	(flag_prefix_function_name): Likewise.
	* function.c (expand_function_start): Don't set
	current_function_check_memory_usage.
	* function.h (check_memory_usage): Delete.
	* libfuncs.h, optabs.c: Delete chkr_* stuff.
	* stmt.c (expand_asm_opernd): Change EXPAND_MEMORY_USE_WO to
	EXPAND_WRITE.
	* toplev.c (flag_check_memory_usage): Deleted.
	(flag_prefix_function_name): Likewise.
	(f_options, process_options): Delete references to above.
	* tree.h (DECL_NO_CHECK_MEMORY_USAGE): Deleted.
	* varasm.c (CHKR_PREFIX): Deleted.
	(make_decl_rtl): Remove flag_prefix_function_name handling.
	(assemble_name): Likewise.
	* doc/extend.texi: Remove no_check_memory_usage attribute.
	* doc/invoke.texi: Remove -fcheck-memory-usage
	and -fprefix-function-name.
	* cp/decl.c (duplicate_decls): Don't copy DECL_NO_CHECK_MEMORY_USAGE.

From-SVN: r47697

1 files changed, 4 insertions, 22 deletions

diff --git a/gcc/expr.h b/gcc/expr.h
index aa4bde6..192733b 100644
--- a/gcc/expr.h
+++ b/gcc/expr.h
@@ -48,26 +48,9 @@ Software Foundation, 59 Temple Place - Suite 330, Boston, MA
    EXPAND_INITIALIZER is similar but also record any labels on forced_labels.
    EXPAND_CONST_ADDRESS means it is ok to return a MEM whose address
     is a constant that is not a legitimate address.
-   EXPAND_MEMORY_USE_* are explained below.  */
-enum expand_modifier {EXPAND_NORMAL, EXPAND_SUM,
-		      EXPAND_CONST_ADDRESS, EXPAND_INITIALIZER,
-		      EXPAND_MEMORY_USE_WO, EXPAND_MEMORY_USE_RW,
-		      EXPAND_MEMORY_USE_BAD, EXPAND_MEMORY_USE_DONT};
-
-/* Argument for chkr_* functions.
-   MEMORY_USE_RO: the pointer reads memory.
-   MEMORY_USE_WO: the pointer writes to memory.
-   MEMORY_USE_RW: the pointer modifies memory (ie it reads and writes). An
-                  example is (*ptr)++
-   MEMORY_USE_BAD: use this if you don't know the behavior of the pointer, or
-                   if you know there are no pointers.  Using an INDIRECT_REF
-                   with MEMORY_USE_BAD will abort.
-   MEMORY_USE_TW: just test for writing, without update.  Special.
-   MEMORY_USE_DONT: the memory is neither read nor written.  This is used by
-   		   '->' and '.'.  */
-enum memory_use_mode {MEMORY_USE_BAD = 0, MEMORY_USE_RO = 1,
-		      MEMORY_USE_WO = 2, MEMORY_USE_RW = 3,
-		      MEMORY_USE_TW = 6, MEMORY_USE_DONT = 99};
+   EXPAND_WRITE means we are only going to write to the resulting rtx.  */
+enum expand_modifier {EXPAND_NORMAL, EXPAND_SUM, EXPAND_CONST_ADDRESS,
+			EXPAND_INITIALIZER, EXPAND_WRITE};
 
 /* Prevent the compiler from deferring stack pops.  See
    inhibit_defer_pop for more information.  */
@@ -119,8 +102,7 @@ struct args_size
 /* Convert the implicit sum in a `struct args_size' into an rtx.  */
 #define ARGS_SIZE_RTX(SIZE)					\
 ((SIZE).var == 0 ? GEN_INT ((SIZE).constant)			\
- : expand_expr (ARGS_SIZE_TREE (SIZE), NULL_RTX, VOIDmode,	\
-		EXPAND_MEMORY_USE_BAD))
+ : expand_expr (ARGS_SIZE_TREE (SIZE), NULL_RTX, VOIDmode, 0))
 
 /* Supply a default definition for FUNCTION_ARG_PADDING:
    usually pad upward, but pad short args downward on