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, 2 insertions, 21 deletions

diff --git a/gcc/stmt.c b/gcc/stmt.c
index db9174a..8d51a2c 100644
--- a/gcc/stmt.c
+++ b/gcc/stmt.c
@@ -712,11 +712,6 @@ expand_computed_goto (exp)
 #endif
 
   emit_queue ();
-  /* Be sure the function is executable.  */
-  if (current_function_check_memory_usage)
-    emit_library_call (chkr_check_exec_libfunc, LCT_CONST_MAKE_BLOCK,
-		       VOIDmode, 1, x, ptr_mode);
-
   do_pending_stack_adjust ();
   emit_indirect_jump (x);
 
@@ -1290,12 +1285,6 @@ void
 expand_asm (body)
      tree body;
 {
-  if (current_function_check_memory_usage)
-    {
-      error ("`asm' cannot be used in function where memory usage is checked");
-      return;
-    }
-
   if (TREE_CODE (body) == ADDR_EXPR)
     body = TREE_OPERAND (body, 0);
 
@@ -1503,12 +1492,6 @@ expand_asm_operands (string, outputs, inputs, clobbers, vol, filename, line)
   if (noutputs == 0)
     vol = 1;
 
-  if (current_function_check_memory_usage)
-    {
-      error ("`asm' cannot be used in function where memory usage is checked");
-      return;
-    }
-
   if (! check_operand_nalternatives (outputs, inputs))
     return;
 
@@ -1591,7 +1574,7 @@ expand_asm_operands (string, outputs, inputs, clobbers, vol, filename, line)
 
 	  output_rtx[i]
 	    = expand_expr (TREE_VALUE (tail), NULL_RTX, VOIDmode,
-			   EXPAND_MEMORY_USE_WO);
+			   EXPAND_WRITE);
 
 	  if (! allows_reg && GET_CODE (output_rtx[i]) != MEM)
 	    error ("output number %d not directly addressable", i);
@@ -3987,9 +3970,7 @@ expand_decl (decl)
 	   && !(flag_float_store
 		&& TREE_CODE (type) == REAL_TYPE)
 	   && ! TREE_THIS_VOLATILE (decl)
-	   && (DECL_REGISTER (decl) || optimize)
-	   /* if -fcheck-memory-usage, check all variables.  */
-	   && ! current_function_check_memory_usage)
+	   && (DECL_REGISTER (decl) || optimize))
     {
       /* Automatic variable that can go in a register.  */
       int unsignedp = TREE_UNSIGNED (type);