calls.c (load_register_parameters): Don't use LOAD_ARGS_REVERSED.

	* calls.c (load_register_parameters): Don't use
	LOAD_ARGS_REVERSED.
	* system.h (LOAD_ARGS_REVERSED): Poison.
	* doc/tm.texi (LOAD_ARGS_REVERSED): Remove.

From-SVN: r74773

gcc/ChangeLog

+2003-12-18  Kazu Hirata  <kazu@cs.umass.edu>
+
+	* calls.c (load_register_parameters): Don't use
+	LOAD_ARGS_REVERSED.
+	* system.h (LOAD_ARGS_REVERSED): Poison.
+	* doc/tm.texi (LOAD_ARGS_REVERSED): Remove.
+
 2003-12-17  Per Bothner  <per@bothner.com>
 
 	* emit-rtl.c (set_new_first_and_last_label_num):  Remove function.

gcc/calls.c

@@ -1601,11 +1601,7 @@ load_register_parameters (struct arg_data *args, int num_actuals,
 {
   int i, j;
 
-#ifdef LOAD_ARGS_REVERSED
-  for (i = num_actuals - 1; i >= 0; i--)
-#else
   for (i = 0; i < num_actuals; i++)
-#endif
     {
       rtx reg = ((flags & ECF_SIBCALL)
 		 ? args[i].tail_call_reg : args[i].reg);

gcc/doc/tm.texi

@@ -3811,13 +3811,6 @@ be passed in a pair of floating point registers, even though a complex
 float would fit in one 64-bit floating point register.
 @end defmac
 
-@defmac LOAD_ARGS_REVERSED
-If defined, the order in which arguments are loaded into their
-respective argument registers is reversed so that the last
-argument is loaded first.  This macro only affects arguments
-passed in registers.
-@end defmac
-
 @node Scalar Return
 @subsection How Scalar Function Values Are Returned
 @cindex return values in registers

gcc/system.h

@@ -619,7 +619,8 @@ typedef char _Bool;
 	DBX_WORKING_DIRECTORY INSN_CACHE_DEPTH INSN_CACHE_SIZE		   \
 	INSN_CACHE_LINE_WIDTH INIT_SECTION_PREAMBLE NEED_ATEXIT ON_EXIT	   \
 	EXIT_BODY OBJECT_FORMAT_ROSE MULTIBYTE_CHARS MAP_CHARACTER	   \
-	LIBGCC_NEEDS_DOUBLE FINAL_PRESCAN_LABEL DEFAULT_CALLER_SAVES
+	LIBGCC_NEEDS_DOUBLE FINAL_PRESCAN_LABEL DEFAULT_CALLER_SAVES	   \
+	LOAD_ARGS_REVERSED
 
 /* Hooks that are no longer used.  */
  #pragma GCC poison LANG_HOOKS_FUNCTION_MARK LANG_HOOKS_FUNCTION_FREE	\