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sparc-protos.h: Remove the prototype for sparc_builtin_saveregs.

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* config/sparc/sparc-protos.h: Remove the prototype for
	sparc_builtin_saveregs.
	* config/sparc/sparc.c (TARGET_PROMOTE_FUNCTION_ARGS): New.
	(TARGET_PROMOTE_FUNCTION_RETURN): Likewise.
	(TARGET_PROMOTE_PROTOTYPES): Likewise.
	(TARGET_STRUCT_VALUE_RTX): Likewise.
	(TARGET_RETURN_IN_MEMORY): Likewise.
	(TARGET_EXPAND_BUILTIN_SAVEREGS): Likewise.
	(TARGET_STRICT_ARGUMENT_NAMING): Likewise.
	(sparc_builtin_saveregs): Make it static.
	(sparc_promote_prototypes): New.
	(sparc_struct_value_rtx): Likewise.
	(sparc_return_in_memory): Likewise.
	* config/sparc/sparc.h: (PROMOTE_FUNCTION_ARGS): Remove.
	(PROMOTE_FUNCTION_RETURN): Likewise.
	(RETURN_IN_MEMORY): Likewise.
	(STRUCT_VALUE): Likewise.
	(STRUCT_VALUE_INCOMING): Likewise.
	(EXPAND_BUILTIN_SAVEREGS): Likewise.
	(STRICT_ARGUMENT_NAMING): Likewise.
	(PROMOTE_PROTOTYPES): Likewise.

	* config/sparc/sparc.h (PROMOTE_MODE): Use word_mode.

Co-Authored-By: Eric Botcazou <ebotcazou@libertysurf.fr>

From-SVN: r76961
This commit is contained in:
Kazu Hirata 2004-01-30 14:46:43 +00:00 committed by Eric Botcazou
parent 5e9295fa05
commit 3e2cc1d1c7
4 changed files with 121 additions and 67 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

27
gcc/ChangeLog
View File

@ -1,3 +1,30 @@
2004-01-30 Kazu Hirata <kazu@cs.umass.edu>
Eric Botcazou <ebotcazou@libertysurf.fr>
* config/sparc/sparc-protos.h: Remove the prototype for
sparc_builtin_saveregs.
* config/sparc/sparc.c (TARGET_PROMOTE_FUNCTION_ARGS): New.
(TARGET_PROMOTE_FUNCTION_RETURN): Likewise.
(TARGET_PROMOTE_PROTOTYPES): Likewise.
(TARGET_STRUCT_VALUE_RTX): Likewise.
(TARGET_RETURN_IN_MEMORY): Likewise.
(TARGET_EXPAND_BUILTIN_SAVEREGS): Likewise.
(TARGET_STRICT_ARGUMENT_NAMING): Likewise.
(sparc_builtin_saveregs): Make it static.
(sparc_promote_prototypes): New.
(sparc_struct_value_rtx): Likewise.
(sparc_return_in_memory): Likewise.
* config/sparc/sparc.h: (PROMOTE_FUNCTION_ARGS): Remove.
(PROMOTE_FUNCTION_RETURN): Likewise.
(RETURN_IN_MEMORY): Likewise.
(STRUCT_VALUE): Likewise.
(STRUCT_VALUE_INCOMING): Likewise.
(EXPAND_BUILTIN_SAVEREGS): Likewise.
(STRICT_ARGUMENT_NAMING): Likewise.
(PROMOTE_PROTOTYPES): Likewise.
* config/sparc/sparc.h (PROMOTE_MODE): Use word_mode.
2004-01-30 Eric Botcazou <ebotcazou@libertysurf.fr>
PR c/12818

3
gcc/config/sparc/sparc-protos.h
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@ -1,5 +1,5 @@
/* Prototypes of target machine for SPARC.
Copyright (C) 1999, 2000, 2003 Free Software Foundation, Inc.
Copyright (C) 1999, 2000, 2003, 2004 Free Software Foundation, Inc.
Contributed by Michael Tiemann (tiemann@cygnus.com).
64-bit SPARC-V9 support by Michael Tiemann, Jim Wilson, and Doug Evans,
at Cygnus Support.
@ -36,7 +36,6 @@ extern int function_arg_partial_nregs (const CUMULATIVE_ARGS *,
enum machine_mode, tree, int);
extern int function_arg_pass_by_reference (const CUMULATIVE_ARGS *,
enum machine_mode, tree, int);
extern struct rtx_def *sparc_builtin_saveregs (void);
#ifdef RTX_CODE
extern void init_cumulative_args (CUMULATIVE_ARGS *, tree, rtx, tree);
extern void sparc_va_start (tree, rtx);

91
gcc/config/sparc/sparc.c
View File

@ -148,6 +148,7 @@ static void sparc_output_addr_vec (rtx);
static void sparc_output_addr_diff_vec (rtx);
static void sparc_output_deferred_case_vectors (void);
static int check_return_regs (rtx);
static rtx sparc_builtin_saveregs (void);
static int epilogue_renumber (rtx *, int);
static bool sparc_assemble_integer (rtx, unsigned int, int);
static int set_extends (rtx);
@ -194,6 +195,10 @@ static rtx sparc_tls_got (void);
static const char *get_some_local_dynamic_name (void);
static int get_some_local_dynamic_name_1 (rtx *, void *);
static bool sparc_rtx_costs (rtx, int, int, int *);
static bool sparc_promote_prototypes (tree);
static rtx sparc_struct_value_rtx (tree, int);
static bool sparc_return_in_memory (tree, tree);
static bool sparc_strict_argument_naming (CUMULATIVE_ARGS *);
/* Option handling. */
@ -277,6 +282,36 @@ enum processor_type sparc_cpu;
#undef TARGET_ADDRESS_COST
#define TARGET_ADDRESS_COST hook_int_rtx_0
/* Return TRUE if the promotion described by PROMOTE_MODE should also be done
for outgoing function arguments.
This is only needed for TARGET_ARCH64, but since PROMOTE_MODE is a no-op
for TARGET_ARCH32 this is ok. Otherwise we'd need to add a runtime test
for this value. */
#undef TARGET_PROMOTE_FUNCTION_ARGS
#define TARGET_PROMOTE_FUNCTION_ARGS hook_bool_tree_true
/* Return TRUE if the promotion described by PROMOTE_MODE should also be done
for the return value of functions. If this macro is defined, FUNCTION_VALUE
must perform the same promotions done by PROMOTE_MODE.
This is only needed for TARGET_ARCH64, but since PROMOTE_MODE is a no-op
for TARGET_ARCH32 this is ok. Otherwise we'd need to add a runtime test
for this value. */
#undef TARGET_PROMOTE_FUNCTION_RETURN
#define TARGET_PROMOTE_FUNCTION_RETURN hook_bool_tree_true
#undef TARGET_PROMOTE_PROTOTYPES
#define TARGET_PROMOTE_PROTOTYPES sparc_promote_prototypes
#undef TARGET_STRUCT_VALUE_RTX
#define TARGET_STRUCT_VALUE_RTX sparc_struct_value_rtx
#undef TARGET_RETURN_IN_MEMORY
#define TARGET_RETURN_IN_MEMORY sparc_return_in_memory
#undef TARGET_EXPAND_BUILTIN_SAVEREGS
#define TARGET_EXPAND_BUILTIN_SAVEREGS sparc_builtin_saveregs
#undef TARGET_STRICT_ARGUMENT_NAMING
#define TARGET_STRICT_ARGUMENT_NAMING sparc_strict_argument_naming
struct gcc_target targetm = TARGET_INITIALIZER;
/* Validate and override various options, and do some machine dependent
@ -4817,6 +4852,60 @@ init_cumulative_args (struct sparc_args *cum, tree fntype,
cum->libcall_p = fntype == 0;
}
/* Handle the PROMOTE_PROTOTYPES macro.
When a prototype says `char' or `short', really pass an `int'. */
static bool
sparc_promote_prototypes (tree fntype ATTRIBUTE_UNUSED)
{
return TARGET_ARCH32 ? true : false;
}
/* Handle the STRICT_ARGUMENT_NAMING macro. */
static bool
sparc_strict_argument_naming (CUMULATIVE_ARGS *ca ATTRIBUTE_UNUSED)
{
/* For the V9 we want NAMED to mean what it says it means. */
return TARGET_V9 ? true : false;
}
/* Handle the RETURN_IN_MEMORY macro.
Specify whether to return the return value in memory. */
static bool
sparc_return_in_memory (tree type, tree fntype ATTRIBUTE_UNUSED)
{
/* SPARC ABI says that quad-precision floats and all structures are
returned in memory.
For V9: unions <= 32 bytes in size are returned in int regs,
structures up to 32 bytes are returned in int and fp regs. */
return (TARGET_ARCH32
? (TYPE_MODE (type) == BLKmode
|| TYPE_MODE (type) == TFmode)
: (TYPE_MODE (type) == BLKmode
&& (unsigned HOST_WIDE_INT) int_size_in_bytes (type) > 32));
}
/* Handle the STRUCT_VALUE macro.
Return where to find the structure return value address. */
static rtx
sparc_struct_value_rtx (tree fndecl ATTRIBUTE_UNUSED, int incoming)
{
if (TARGET_ARCH64)
return 0;
else
{
if (incoming)
return gen_rtx_MEM (Pmode, plus_constant (frame_pointer_rtx,
STRUCT_VALUE_OFFSET));
else
return gen_rtx_MEM (Pmode, plus_constant (stack_pointer_rtx,
STRUCT_VALUE_OFFSET));
}
}
/* Scan the record type TYPE and return the following predicates:
- INTREGS_P: the record contains at least one field or sub-field
that is eligible for promotion in integer registers.
@ -5730,7 +5819,7 @@ function_value (tree type, enum machine_mode mode, int incoming_p)
to determine if stdarg or varargs is used and return the address of
the first unnamed parameter. */
rtx
static rtx
sparc_builtin_saveregs (void)
{
int first_reg = current_function_args_info.words;

67
gcc/config/sparc/sparc.h
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@ -1,8 +1,8 @@
/* Definitions of target machine for GNU compiler, for Sun SPARC.
Copyright (C) 1987, 1988, 1989, 1992, 1994, 1995, 1996, 1997, 1998, 1999
2000, 2001, 2002, 2003 Free Software Foundation, Inc.
2000, 2001, 2002, 2003, 2004 Free Software Foundation, Inc.
Contributed by Michael Tiemann (tiemann@cygnus.com).
64 bit SPARC V9 support by Michael Tiemann, Jim Wilson, and Doug Evans,
64-bit SPARC-V9 support by Michael Tiemann, Jim Wilson, and Doug Evans,
at Cygnus Support.
This file is part of GCC.
@ -746,23 +746,7 @@ extern struct sparc_cpu_select sparc_select[];
if (TARGET_ARCH64 \
&& GET_MODE_CLASS (MODE) == MODE_INT \
&& GET_MODE_SIZE (MODE) < UNITS_PER_WORD) \
(MODE) = DImode;
/* Define this macro if the promotion described by PROMOTE_MODE
should also be done for outgoing function arguments. */
/* This is only needed for TARGET_ARCH64, but since PROMOTE_MODE is a no-op
for TARGET_ARCH32 this is ok. Otherwise we'd need to add a runtime test
for this value. */
#define PROMOTE_FUNCTION_ARGS
/* Define this macro if the promotion described by PROMOTE_MODE
should also be done for the return value of functions.
If this macro is defined, FUNCTION_VALUE must perform the same
promotions done by PROMOTE_MODE. */
/* This is only needed for TARGET_ARCH64, but since PROMOTE_MODE is a no-op
for TARGET_ARCH32 this is ok. Otherwise we'd need to add a runtime test
for this value. */
#define PROMOTE_FUNCTION_RETURN
(MODE) = word_mode;
/* Define this macro if the promotion described by PROMOTE_MODE
should _only_ be performed for outgoing function arguments or
@ -1149,37 +1133,12 @@ extern int sparc_mode_class[];
#define DEFAULT_PCC_STRUCT_RETURN -1
/* SPARC ABI says that quad-precision floats and all structures are returned
in memory.
For v9: unions <= 32 bytes in size are returned in int regs,
structures up to 32 bytes are returned in int and fp regs. */
#define RETURN_IN_MEMORY(TYPE) \
(TARGET_ARCH32 \
? (TYPE_MODE (TYPE) == BLKmode \
|| TYPE_MODE (TYPE) == TFmode) \
: (TYPE_MODE (TYPE) == BLKmode \
&& (unsigned HOST_WIDE_INT) int_size_in_bytes (TYPE) > 32))
/* Functions which return large structures get the address
to place the wanted value at offset 64 from the frame.
Must reserve 64 bytes for the in and local registers.
v9: Functions which return large structures get the address to place the
wanted value from an invisible first argument. */
/* Used only in other #defines in this file. */
#define STRUCT_VALUE_OFFSET 64
#define STRUCT_VALUE \
(TARGET_ARCH64 \
? 0 \
: gen_rtx_MEM (Pmode, plus_constant (stack_pointer_rtx, \
STRUCT_VALUE_OFFSET)))
#define STRUCT_VALUE_INCOMING \
(TARGET_ARCH64 \
? 0 \
: gen_rtx_MEM (Pmode, plus_constant (frame_pointer_rtx, \
STRUCT_VALUE_OFFSET)))
/* Define the classes of registers for register constraints in the
machine description. Also define ranges of constants.
@ -1954,10 +1913,6 @@ do { \
else \
sparc_initialize_trampoline (TRAMP, FNADDR, CXT)
/* Generate necessary RTL for __builtin_saveregs(). */
#define EXPAND_BUILTIN_SAVEREGS() sparc_builtin_saveregs ()
/* Implement `va_start' for varargs and stdarg. */
#define EXPAND_BUILTIN_VA_START(valist, nextarg) \
sparc_va_start (valist, nextarg)
@ -1966,19 +1921,6 @@ do { \
#define EXPAND_BUILTIN_VA_ARG(valist, type) \
sparc_va_arg (valist, type)
/* Define this macro if the location where a function argument is passed
depends on whether or not it is a named argument.
This macro controls how the NAMED argument to FUNCTION_ARG
is set for varargs and stdarg functions. With this macro defined,
the NAMED argument is always true for named arguments, and false for
unnamed arguments. If this is not defined, but SETUP_INCOMING_VARARGS
is defined, then all arguments are treated as named. Otherwise, all named
arguments except the last are treated as named.
For the v9 we want NAMED to mean what it says it means. */
#define STRICT_ARGUMENT_NAMING TARGET_V9
/* Generate RTL to flush the register windows so as to make arbitrary frames
available. */
#define SETUP_FRAME_ADDRESSES() \
@ -2386,9 +2328,6 @@ do { \
and maybe make use of that. */
#define SLOW_BYTE_ACCESS 1
/* When a prototype says `char' or `short', really pass an `int'. */
#define PROMOTE_PROTOTYPES (TARGET_ARCH32)
/* Define this to be nonzero if shift instructions ignore all but the low-order
few bits. */
#define SHIFT_COUNT_TRUNCATED 1