i386.c (ix86_function_regparm): Early exit for 64-bit...

        * config/i386/i386.c (ix86_function_regparm): Early exit for 64-bit;
        don't increase local_regparm with force_align_arg_pointer check.
        (ix86_function_sseregparm): Assert 32-bit.
        (type_has_variadic_args_p): New.
        (ix86_return_pops_args): Early exit for 64-bit.  Reindent; use
        type_has_variadic_args_p.
        (ix86_function_arg_regno_p): Use == 0 instead of ! test for eax.
        (init_cumulative_args): Remove TARGET_DEBUG_ARG.  Remove zero_cum;
        use memset instead.  Do maybe_vaarg check first; skip attribute
        tests if true; skip attribute tests for 64-bit.
        (construct_container): Remove TARGET_DEBUG_ARG.
        (function_arg_advance_32, function_arg_advance_64): Split out ...
        (function_arg_advance): ... from here.
        (function_arg_32, function_arg_64): Split out ...
        (function_arg): ... from here.
        (ix86_pass_by_reference): Tidy.
        (ix86_function_value_regno_p): Rearrange w/ switch on regno.
        (function_value_32): New, from parts of ix86_function_value
        and ix86_value_regno.
        (function_value_64): New, from parts of ix86_function_value
        and ix86_libcall_value.
        (ix86_function_value_1): New.
        (ix86_function_value, ix86_libcall_value): Use it.
        (return_in_memory_32, return_in_memory_64): Split out ...
        (ix86_return_in_memory): ... from here. 
        (ix86_struct_value_rtx): Skip for 64-bit.
        (ix86_libcall_value, ix86_value_regno): Remove.
        (setup_incoming_varargs_64): Split out ...
        (ix86_setup_incoming_varargs): ... from here. 
        (ix86_va_start): Remove TARGET_DEBUG_ARG.
        (legitimate_address_p, legitimize_address): Remove TARGET_DEBUG_ADDR.
        * config/i386/i386-protos.h (ix86_function_value): Remove.
        * config/i386/i386.opt (TARGET_DEBUG_ADDR, TARGET_DEBUG_ARG): Remove.

From-SVN: r123146

gcc/ChangeLog

+2007-03-22  Richard Henderson  <rth@redhat.com>
+
+	* config/i386/i386.c (ix86_function_regparm): Early exit for 64-bit;
+	don't increase local_regparm with force_align_arg_pointer check.
+	(ix86_function_sseregparm): Assert 32-bit.
+	(type_has_variadic_args_p): New.
+	(ix86_return_pops_args): Early exit for 64-bit.  Reindent; use
+	type_has_variadic_args_p.
+	(ix86_function_arg_regno_p): Use == 0 instead of ! test for eax.
+	(init_cumulative_args): Remove TARGET_DEBUG_ARG.  Remove zero_cum;
+	use memset instead.  Do maybe_vaarg check first; skip attribute
+	tests if true; skip attribute tests for 64-bit.
+	(construct_container): Remove TARGET_DEBUG_ARG.
+	(function_arg_advance_32, function_arg_advance_64): Split out ...
+	(function_arg_advance): ... from here.
+	(function_arg_32, function_arg_64): Split out ...
+	(function_arg): ... from here.
+	(ix86_pass_by_reference): Tidy.
+	(ix86_function_value_regno_p): Rearrange w/ switch on regno.
+	(function_value_32): New, from parts of ix86_function_value
+	and ix86_value_regno.
+	(function_value_64): New, from parts of ix86_function_value
+	and ix86_libcall_value.
+	(ix86_function_value_1): New.
+	(ix86_function_value, ix86_libcall_value): Use it.
+	(return_in_memory_32, return_in_memory_64): Split out ...
+	(ix86_return_in_memory): ... from here.
+	(ix86_struct_value_rtx): Skip for 64-bit.
+	(ix86_libcall_value, ix86_value_regno): Remove.
+	(setup_incoming_varargs_64): Split out ...
+	(ix86_setup_incoming_varargs): ... from here.
+	(ix86_va_start): Remove TARGET_DEBUG_ARG.
+	(legitimate_address_p, legitimize_address): Remove TARGET_DEBUG_ADDR.
+	* config/i386/i386-protos.h (ix86_function_value): Remove.
+	* config/i386/i386.opt (TARGET_DEBUG_ADDR, TARGET_DEBUG_ARG): Remove.
+
 2007-03-22  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
 
 	PR other/23572

gcc/config/i386/i386-protos.h

@@ -179,7 +179,6 @@ extern void init_cumulative_args (CUMULATIVE_ARGS *, tree, rtx, tree);
 extern rtx function_arg (CUMULATIVE_ARGS *, enum machine_mode, tree, int);
 extern void function_arg_advance (CUMULATIVE_ARGS *, enum machine_mode,
 				  tree, int);
-extern rtx ix86_function_value (tree, tree, bool);
 #endif
 
 #endif

gcc/config/i386/i386.opt

@@ -95,12 +95,6 @@ mcmodel=
 Target RejectNegative Joined Var(ix86_cmodel_string)
 Use given x86-64 code model
 
-mdebug-addr
-Target RejectNegative Var(TARGET_DEBUG_ADDR) Undocumented
-
-mdebug-arg
-Target RejectNegative Var(TARGET_DEBUG_ARG) Undocumented
-
 mfancy-math-387
 Target RejectNegative Report InverseMask(NO_FANCY_MATH_387, USE_FANCY_MATH_387)
 Generate sin, cos, sqrt for FPU