re PR target/12916 (No vector ABI)

	PR target/12916
	* config/sparc/sparc.h (NPARM_REGS): Delete.
	(BASE_RETURN_VALUE_REG): Likewise.
	(BASE_OUTGOING_VALUE_REG): Likewise.
	(BASE_PASSING_ARG_REG): Likewise.
	(BASE_INCOMING_ARG_REG): Likewise.
	* config/sparc/sparc.c (sparc_strict_argument_naming): Test
	TARGET_ARCH64, not TARGET_V9.
	(function_arg_slotno): Dispatch based on the mode class.
	Handle vector modes like floating-point modes.
	(function_arg_record_value_1): Handle vector types like
	floating-point types.
	(function_arg_record_value_2): Likewise.
	Calculate regno after mode transformation.
	(function_arg): Handle vector modes like floating-point modes.
	(function_arg_partial_nregs): Replace NPARM_REGS by SPARC_INT_ARG_MAX.
	If ARCH64, do not recheck alignment.
	(function_arg_pass_by_reference): Reorder the conditions.
	(sparc_return_in_memory): Move after function_arg_padding.
	Implement calling conventions for vector modes.
	(sparc_struct_value_rtx): Move after sparc_return_in_memory.
	(function_value): Move scope of 'regbase'.
	Implement calling conventions for vector modes.
	(sparc_builtin_saveregs): Replace NPARM_REGS by SPARC_INT_ARG_MAX
	and BASE_INCOMING_ARG_REG by SPARC_INCOMING_INT_ARG_FIRST.
	(sparc_va_arg): Use function_arg_pass_by_reference to test whether
	the argument is passed by reference.
	(sparc_type_code): Handle vector types.

From-SVN: r78087

gcc/ChangeLog

+2004-02-19  Eric Botcazou  <ebotcazou@libertysurf.fr>
+
+	PR target/12916
+	* config/sparc/sparc.h (NPARM_REGS): Delete.
+	(BASE_RETURN_VALUE_REG): Likewise.
+	(BASE_OUTGOING_VALUE_REG): Likewise.
+	(BASE_PASSING_ARG_REG): Likewise.
+	(BASE_INCOMING_ARG_REG): Likewise.
+	* config/sparc/sparc.c (sparc_strict_argument_naming): Test
+	TARGET_ARCH64, not TARGET_V9.
+	(function_arg_slotno): Dispatch based on the mode class.
+	Handle vector modes like floating-point modes.
+	(function_arg_record_value_1): Handle vector types like
+	floating-point types.
+	(function_arg_record_value_2): Likewise.
+	Calculate regno after mode transformation.
+	(function_arg): Handle vector modes like floating-point modes.
+	(function_arg_partial_nregs): Replace NPARM_REGS by SPARC_INT_ARG_MAX.
+	If ARCH64, do not recheck alignment.
+	(function_arg_pass_by_reference): Reorder the conditions.
+	(sparc_return_in_memory): Move after function_arg_padding.
+	Implement calling conventions for vector modes.
+	(sparc_struct_value_rtx): Move after sparc_return_in_memory.
+	(function_value): Move scope of 'regbase'.
+	Implement calling conventions for vector modes.
+	(sparc_builtin_saveregs): Replace NPARM_REGS by SPARC_INT_ARG_MAX
+	and BASE_INCOMING_ARG_REG by SPARC_INCOMING_INT_ARG_FIRST.
+	(sparc_va_arg): Use function_arg_pass_by_reference to test whether
+	the argument is passed by reference.
+	(sparc_type_code): Handle vector types.
+
 2004-02-19  Alan Modra  <amodra@bigpond.net.au>
 
 	* function.c (assign_parms): When building decl_rtl for

gcc/config/sparc/sparc.h

@@ -1467,17 +1467,6 @@ extern char leaf_reg_remap[];
 
 /* Stack layout; function entry, exit and calling.  */
 
-/* Define the number of register that can hold parameters.
-   This macro is only used in other macro definitions below and in sparc.c.
-   MODE is the mode of the argument.
-   !v9: All args are passed in %o0-%o5.
-   v9: %o0-%o5 and %f0-%f31 are cumulatively used to pass values.
-   See the description in sparc.c.  */
-#define NPARM_REGS(MODE) \
-(TARGET_ARCH64 \
- ? (GET_MODE_CLASS (MODE) == MODE_FLOAT ? 32 : 6) \
- : 6)
-
 /* Define this if pushing a word on the stack
    makes the stack pointer a smaller address.  */
 #define STACK_GROWS_DOWNWARD
@@ -1565,22 +1554,6 @@ extern char leaf_reg_remap[];
 
 #define RETURN_POPS_ARGS(FUNDECL,FUNTYPE,SIZE) 0
 
-/* Some subroutine macros specific to this machine.
-   When !TARGET_FPU, put float return values in the general registers,
-   since we don't have any fp registers.  */
-#define BASE_RETURN_VALUE_REG(MODE)	\
-  (TARGET_FPU && FLOAT_MODE_P (MODE) ? 32 : 8)
-
-#define BASE_OUTGOING_VALUE_REG(MODE)	\
-  (TARGET_FPU && FLOAT_MODE_P (MODE) ? 32 : 24)
-
-#define BASE_PASSING_ARG_REG(MODE)				\
-  (TARGET_ARCH64 && TARGET_FPU && FLOAT_MODE_P (MODE) ? 32 : 8)
-
-/* ??? FIXME -- seems wrong for v9 structure passing...  */
-#define BASE_INCOMING_ARG_REG(MODE)				\
-  (TARGET_ARCH64 && TARGET_FPU && FLOAT_MODE_P (MODE) ? 32 : 24)
-
 /* Define this macro if the target machine has "register windows".  This
    C expression returns the register number as seen by the called function
    corresponding to register number OUT as seen by the calling function.