hooks.c (hook_bool_tree_true): New.
* hooks.c (hook_bool_tree_true): New. (hook_rtx_tree_int_null): New. (hook_rtx_rtx_null): Use NULL, not 0. * hooks.h: Add 'extern' to everything. (hook_bool_tree_true): New. (hook_rtx_tree_int_null): New. * targhooks.c (hook_bool_CUMULATIVE_ARGS_true): New. * targhooks.h (hook_bool_CUMULATIVE_ARGS_true): New. * config/rs6000/rs6000-protos.h (setup_incoming_varargs): Remove prototype. * config/rs6000/rs6000.c (rs6000_return_in_memory): New. (setup_incoming_varargs): Prototype. (TARGET_PROMOTE_FUNCTION_ARGS): Define. (TARGET_PROMOTE_FUNCTION_RETURN): Define. (TARGET_STRUCT_VALUE_RTX): Define. (TARGET_RETURN_IN_MEMORY): Define. (TARGET_SETUP_INCOMING_VARARGS): Define. (TARGET_STRICT_ARGUMENT_NAMING): Define. (TARGET_PRETEND_OUTGOING_VARARGS_NAMED): Define. (init_cumulative_args): Use rs6000_return_in_memory. (setup_incoming_varargs): Make 'static'. * config/rs6000/rs6000.h (PROMOTE_FUNCTION_ARGS): Delete. (PROMOTE_FUNCTION_RETURN): Delete. (STRUCT_VALUE): Delete. (RETURN_IN_MEMORY): Delete. (SETUP_INCOMING_VARARGS): Delete. From-SVN: r72197
This commit is contained in:
Geoffrey Keating
Geoffrey Keating
parent
90af80420f
commit
c6e8c92195
|
|
@ -1,3 +1,26 @@
|
|||
2003-10-06 Geoffrey Keating <geoffk@apple.com>
|
||||
|
||||
* config/sparc/sparc.h (STACK_BOUNDARY): Add comment about how
|
||||
it's wrong when TARGET_ARCH64 && TARGET_STACK_BIAS.
|
||||
|
||||
2003-09-24 Geoffrey Keating <geoffk@apple.com>
|
||||
|
||||
* config/rs6000/rs6000.c (function_arg): On non-SVR4 systems,
|
||||
arrange for vector parameters to varargs functions to be passed
|
||||
in both memory and GPRs when appropriate.
|
||||
(rs6000_va_arg): Vector arguments passed in memory are 16-byte
|
||||
aligned.
|
||||
|
||||
* config/rs6000/rs6000.c (rs6000_override_options): Make processor
|
||||
list have list of flags to set and all flags, rather than flags
|
||||
to set and flags to clear; add MASK_ALTIVEC where appropriate;
|
||||
use enums rather than #defines.
|
||||
|
||||
* function.c (pad_to_arg_alignment): Take STACK_POINTER_OFFSET into
|
||||
account when aligning arguments.
|
||||
* calls.c (STACK_POINTER_OFFSET): Move default from here ...
|
||||
* defaults.h (STACK_POINTER_OFFSET): ... to here.
|
||||
|
||||
2003-10-07 Gerald Pfeifer <gerald@pfeifer.com>
|
||||
|
||||
* doc/invoke.texi (Warning Options): Simplify and clarify the
|
||||
|
|
|
|||
|
|
@ -151,9 +151,6 @@ extern int function_arg_partial_nregs (CUMULATIVE_ARGS *,
|
|||
extern int function_arg_pass_by_reference (CUMULATIVE_ARGS *,
|
||||
enum machine_mode,
|
||||
tree, int);
|
||||
extern void setup_incoming_varargs (CUMULATIVE_ARGS *,
|
||||
enum machine_mode, tree,
|
||||
int *, int);
|
||||
extern rtx rs6000_function_value (tree, tree);
|
||||
extern rtx rs6000_libcall_value (enum machine_mode);
|
||||
extern struct rtx_def *rs6000_va_arg (tree, tree);
|
||||
|
|
|
|||
|
|
@ -242,6 +242,7 @@ static void rs6000_output_function_epilogue (FILE *, HOST_WIDE_INT);
|
|||
static void rs6000_output_mi_thunk (FILE *, tree, HOST_WIDE_INT,
|
||||
HOST_WIDE_INT, tree);
|
||||
static rtx rs6000_emit_set_long_const (rtx, HOST_WIDE_INT, HOST_WIDE_INT);
|
||||
static bool rs6000_return_in_memory (tree, tree);
|
||||
static void rs6000_file_start (void);
|
||||
#if TARGET_ELF
|
||||
static unsigned int rs6000_elf_section_type_flags (tree, const char *, int);
|
||||
|
|
@ -326,6 +327,9 @@ static int rs6000_get_some_local_dynamic_name_1 (rtx *, void *);
|
|||
static rtx rs6000_complex_function_value (enum machine_mode);
|
||||
static rtx rs6000_spe_function_arg (CUMULATIVE_ARGS *,
|
||||
enum machine_mode, tree);
|
||||
static void setup_incoming_varargs (CUMULATIVE_ARGS *,
|
||||
enum machine_mode, tree,
|
||||
int *, int);
|
||||
|
||||
/* Hash table stuff for keeping track of TOC entries. */
|
||||
|
||||
|
|
@ -503,6 +507,29 @@ static const char alt_reg_names[][8] =
|
|||
#undef TARGET_DWARF_REGISTER_SPAN
|
||||
#define TARGET_DWARF_REGISTER_SPAN rs6000_dwarf_register_span
|
||||
|
||||
/* On rs6000, function arguments are promoted, as are function return
|
||||
values. */
|
||||
#undef TARGET_PROMOTE_FUNCTION_ARGS
|
||||
#define TARGET_PROMOTE_FUNCTION_ARGS hook_bool_tree_true
|
||||
#undef TARGET_PROMOTE_FUNCTION_RETURN
|
||||
#define TARGET_PROMOTE_FUNCTION_RETURN hook_bool_tree_true
|
||||
|
||||
/* Structure return values are passed as an extra parameter. */
|
||||
#undef TARGET_STRUCT_VALUE_RTX
|
||||
#define TARGET_STRUCT_VALUE_RTX hook_rtx_tree_int_null
|
||||
|
||||
#undef TARGET_RETURN_IN_MEMORY
|
||||
#define TARGET_RETURN_IN_MEMORY rs6000_return_in_memory
|
||||
|
||||
#undef TARGET_SETUP_INCOMING_VARARGS
|
||||
#define TARGET_SETUP_INCOMING_VARARGS setup_incoming_varargs
|
||||
|
||||
/* Always strict argument naming on rs6000. */
|
||||
#undef TARGET_STRICT_ARGUMENT_NAMING
|
||||
#define TARGET_STRICT_ARGUMENT_NAMING hook_bool_CUMULATIVE_ARGS_true
|
||||
#undef TARGET_PRETEND_OUTGOING_VARARGS_NAMED
|
||||
#define TARGET_PRETEND_OUTGOING_VARARGS_NAMED hook_bool_CUMULATIVE_ARGS_true
|
||||
|
||||
struct gcc_target targetm = TARGET_INITIALIZER;
|
||||
|
||||
/* Override command line options. Mostly we process the processor
|
||||
|
|
@ -3521,6 +3548,39 @@ rs6000_emit_move (rtx dest, rtx source, enum machine_mode mode)
|
|||
emit_insn (gen_rtx_SET (VOIDmode, operands[0], operands[1]));
|
||||
}
|
||||
|
||||
/* Return a nonzero value to say to return the function value in
|
||||
memory, just as large structures are always returned. TYPE will be
|
||||
the data type of the value, and FNTYPE will be the type of the
|
||||
function doing the returning, or @code{NULL} for libcalls.
|
||||
|
||||
The AIX ABI for the RS/6000 specifies that all structures are
|
||||
returned in memory. The Darwin ABI does the same. The SVR4 ABI
|
||||
specifies that structures <= 8 bytes are returned in r3/r4, but a
|
||||
draft put them in memory, and GCC used to implement the draft
|
||||
instead of the final standard. Therefore, TARGET_AIX_STRUCT_RET
|
||||
controls this instead of DEFAULT_ABI; V.4 targets needing backward
|
||||
compatibility can change DRAFT_V4_STRUCT_RET to override the
|
||||
default, and -m switches get the final word. See
|
||||
rs6000_override_options for more details.
|
||||
|
||||
The PPC32 SVR4 ABI uses IEEE double extended for long double, if 128-bit
|
||||
long double support is enabled. These values are returned in memory.
|
||||
|
||||
int_size_in_bytes returns -1 for variable size objects, which go in
|
||||
memory always. The cast to unsigned makes -1 > 8. */
|
||||
|
||||
static bool
|
||||
rs6000_return_in_memory (tree type, tree fntype ATTRIBUTE_UNUSED)
|
||||
{
|
||||
if (AGGREGATE_TYPE_P (type)
|
||||
&& (TARGET_AIX_STRUCT_RET
|
||||
|| (unsigned HOST_WIDE_INT) int_size_in_bytes (type) > 8))
|
||||
return true;
|
||||
if (DEFAULT_ABI == ABI_V4 && TYPE_MODE (type) == TFmode)
|
||||
return true;
|
||||
return false;
|
||||
}
|
||||
|
||||
/* Initialize a variable CUM of type CUMULATIVE_ARGS
|
||||
for a call to a function whose data type is FNTYPE.
|
||||
For a library call, FNTYPE is 0.
|
||||
|
|
@ -3553,7 +3613,8 @@ init_cumulative_args (CUMULATIVE_ARGS *cum, tree fntype,
|
|||
else if (cum->prototype)
|
||||
cum->nargs_prototype = (list_length (TYPE_ARG_TYPES (fntype)) - 1
|
||||
+ (TYPE_MODE (TREE_TYPE (fntype)) == BLKmode
|
||||
|| RETURN_IN_MEMORY (TREE_TYPE (fntype))));
|
||||
|| rs6000_return_in_memory (TREE_TYPE (fntype),
|
||||
fntype)));
|
||||
|
||||
else
|
||||
cum->nargs_prototype = 0;
|
||||
|
|
@ -4011,7 +4072,7 @@ function_arg_pass_by_reference (CUMULATIVE_ARGS *cum ATTRIBUTE_UNUSED,
|
|||
Normally, this macro will push all remaining incoming registers on the
|
||||
stack and set PRETEND_SIZE to the length of the registers pushed. */
|
||||
|
||||
void
|
||||
static void
|
||||
setup_incoming_varargs (CUMULATIVE_ARGS *cum, enum machine_mode mode,
|
||||
tree type, int *pretend_size ATTRIBUTE_UNUSED, int no_rtl)
|
||||
{
|
||||
|
|
|
|||
|
|
@ -563,15 +563,6 @@ extern int rs6000_sched_restricted_insns_priority;
|
|||
&& GET_MODE_SIZE (MODE) < UNITS_PER_WORD) \
|
||||
(MODE) = word_mode;
|
||||
|
||||
/* Define this if function arguments should also be promoted using the above
|
||||
procedure. */
|
||||
|
||||
#define PROMOTE_FUNCTION_ARGS
|
||||
|
||||
/* Likewise, if the function return value is promoted. */
|
||||
|
||||
#define PROMOTE_FUNCTION_RETURN
|
||||
|
||||
/* Define this if most significant bit is lowest numbered
|
||||
in instructions that operate on numbered bit-fields. */
|
||||
/* That is true on RS/6000. */
|
||||
|
|
@ -1151,11 +1142,6 @@ extern int rs6000_sched_restricted_insns_priority;
|
|||
|
||||
/* Count register number. */
|
||||
#define COUNT_REGISTER_REGNUM 66
|
||||
|
||||
/* Place that structure value return address is placed.
|
||||
|
||||
On the RS/6000, it is passed as an extra parameter. */
|
||||
#define STRUCT_VALUE 0
|
||||
|
||||
/* Define the classes of registers for register constraints in the
|
||||
machine description. Also define ranges of constants.
|
||||
|
|
@ -1616,28 +1602,6 @@ typedef struct rs6000_stack {
|
|||
|
||||
#define LIBCALL_VALUE(MODE) rs6000_libcall_value ((MODE))
|
||||
|
||||
/* The AIX ABI for the RS/6000 specifies that all structures are
|
||||
returned in memory. The Darwin ABI does the same. The SVR4 ABI
|
||||
specifies that structures <= 8 bytes are returned in r3/r4, but a
|
||||
draft put them in memory, and GCC used to implement the draft
|
||||
instead of the final standard. Therefore, TARGET_AIX_STRUCT_RET
|
||||
controls this instead of DEFAULT_ABI; V.4 targets needing backward
|
||||
compatibility can change DRAFT_V4_STRUCT_RET to override the
|
||||
default, and -m switches get the final word. See
|
||||
rs6000_override_options for more details.
|
||||
|
||||
The PPC32 SVR4 ABI uses IEEE double extended for long double, if 128-bit
|
||||
long double support is enabled. These values are returned in memory.
|
||||
|
||||
int_size_in_bytes returns -1 for variable size objects, which go in
|
||||
memory always. The cast to unsigned makes -1 > 8. */
|
||||
|
||||
#define RETURN_IN_MEMORY(TYPE) \
|
||||
((AGGREGATE_TYPE_P (TYPE) \
|
||||
&& (TARGET_AIX_STRUCT_RET \
|
||||
|| (unsigned HOST_WIDE_INT) int_size_in_bytes (TYPE) > 8)) \
|
||||
|| (DEFAULT_ABI == ABI_V4 && TYPE_MODE (TYPE) == TFmode))
|
||||
|
||||
/* DRAFT_V4_STRUCT_RET defaults off. */
|
||||
#define DRAFT_V4_STRUCT_RET 0
|
||||
|
||||
|
|
@ -1857,23 +1821,6 @@ typedef struct rs6000_args
|
|||
the ABIs at the moment. For now, only AIX gets fixed. */
|
||||
#define SPLIT_COMPLEX_ARGS (DEFAULT_ABI == ABI_AIX)
|
||||
|
||||
/* Perform any needed actions needed for a function that is receiving a
|
||||
variable number of arguments.
|
||||
|
||||
CUM is as above.
|
||||
|
||||
MODE and TYPE are the mode and type of the current parameter.
|
||||
|
||||
PRETEND_SIZE is a variable that should be set to the amount of stack
|
||||
that must be pushed by the prolog to pretend that our caller pushed
|
||||
it.
|
||||
|
||||
Normally, this macro will push all remaining incoming registers on the
|
||||
stack and set PRETEND_SIZE to the length of the registers pushed. */
|
||||
|
||||
#define SETUP_INCOMING_VARARGS(CUM,MODE,TYPE,PRETEND_SIZE,NO_RTL) \
|
||||
setup_incoming_varargs (&CUM, MODE, TYPE, &PRETEND_SIZE, NO_RTL)
|
||||
|
||||
/* Define the `__builtin_va_list' type for the ABI. */
|
||||
#define BUILD_VA_LIST_TYPE(VALIST) \
|
||||
(VALIST) = rs6000_build_va_list ()
|
||||
|
|
|
|||
15
gcc/hooks.c
15
gcc/hooks.c
|
|
@ -158,6 +158,12 @@ hook_bool_tree_false (tree a ATTRIBUTE_UNUSED)
|
|||
return false;
|
||||
}
|
||||
|
||||
bool
|
||||
hook_bool_tree_true (tree a ATTRIBUTE_UNUSED)
|
||||
{
|
||||
return true;
|
||||
}
|
||||
|
||||
bool
|
||||
hook_bool_tree_tree_false (tree a ATTRIBUTE_UNUSED, tree b ATTRIBUTE_UNUSED)
|
||||
{
|
||||
|
|
@ -190,7 +196,14 @@ hook_rtx_rtx_identity (rtx x)
|
|||
rtx
|
||||
hook_rtx_rtx_null (rtx x ATTRIBUTE_UNUSED)
|
||||
{
|
||||
return 0;
|
||||
return NULL;
|
||||
}
|
||||
|
||||
/* Generic hook that takes a tree and an int and returns NULL_RTX. */
|
||||
rtx
|
||||
hook_rtx_tree_int_null (tree a ATTRIBUTE_UNUSED, int b ATTRIBUTE_UNUSED)
|
||||
{
|
||||
return NULL;
|
||||
}
|
||||
|
||||
/* Generic hook that takes a size_t and returns NULL. */
|
||||
|
|
|
|||
54
gcc/hooks.h
54
gcc/hooks.h
|
|
@ -22,40 +22,42 @@ Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
|
|||
#ifndef GCC_HOOKS_H
|
||||
#define GCC_HOOKS_H
|
||||
|
||||
bool hook_bool_void_false (void);
|
||||
bool hook_bool_bool_false (bool);
|
||||
bool hook_bool_tree_false (tree);
|
||||
bool hook_bool_tree_hwi_hwi_tree_false (tree, HOST_WIDE_INT, HOST_WIDE_INT,
|
||||
extern bool hook_bool_void_false (void);
|
||||
extern bool hook_bool_bool_false (bool);
|
||||
extern bool hook_bool_tree_false (tree);
|
||||
extern bool hook_bool_tree_true (tree);
|
||||
extern bool hook_bool_tree_hwi_hwi_tree_false (tree, HOST_WIDE_INT, HOST_WIDE_INT,
|
||||
tree);
|
||||
bool hook_bool_tree_hwi_hwi_tree_true (tree, HOST_WIDE_INT, HOST_WIDE_INT,
|
||||
extern bool hook_bool_tree_hwi_hwi_tree_true (tree, HOST_WIDE_INT, HOST_WIDE_INT,
|
||||
tree);
|
||||
bool hook_bool_rtx_false (rtx);
|
||||
bool hook_bool_rtx_int_int_intp_false (rtx, int, int, int *);
|
||||
bool hook_bool_constcharptr_size_t_false (const char *, size_t);
|
||||
extern bool hook_bool_rtx_false (rtx);
|
||||
extern bool hook_bool_rtx_int_int_intp_false (rtx, int, int, int *);
|
||||
extern bool hook_bool_constcharptr_size_t_false (const char *, size_t);
|
||||
|
||||
void hook_void_tree_int (tree, int);
|
||||
void hook_void_void (void);
|
||||
void hook_void_FILEptr_constcharptr (FILE *, const char *);
|
||||
void hook_void_tree (tree);
|
||||
void hook_void_tree_treeptr (tree, tree *);
|
||||
void hook_void_constcharptr (const char *);
|
||||
extern void hook_void_tree_int (tree, int);
|
||||
extern void hook_void_void (void);
|
||||
extern void hook_void_FILEptr_constcharptr (FILE *, const char *);
|
||||
extern void hook_void_tree (tree);
|
||||
extern void hook_void_tree_treeptr (tree, tree *);
|
||||
extern void hook_void_constcharptr (const char *);
|
||||
|
||||
int hook_int_tree_tree_1 (tree, tree);
|
||||
int hook_int_rtx_0 (rtx);
|
||||
int hook_int_void_0 (void);
|
||||
int hook_int_size_t_constcharptr_int_0 (size_t, const char *, int);
|
||||
int hook_int_void_no_regs (void);
|
||||
extern int hook_int_tree_tree_1 (tree, tree);
|
||||
extern int hook_int_rtx_0 (rtx);
|
||||
extern int hook_int_void_0 (void);
|
||||
extern int hook_int_size_t_constcharptr_int_0 (size_t, const char *, int);
|
||||
extern int hook_int_void_no_regs (void);
|
||||
|
||||
unsigned hook_uint_uint_constcharptrptr_0 (unsigned, const char **);
|
||||
extern unsigned hook_uint_uint_constcharptrptr_0 (unsigned, const char **);
|
||||
|
||||
bool default_can_output_mi_thunk_no_vcall (tree, HOST_WIDE_INT,
|
||||
extern bool default_can_output_mi_thunk_no_vcall (tree, HOST_WIDE_INT,
|
||||
HOST_WIDE_INT, tree);
|
||||
|
||||
bool hook_bool_tree_tree_false (tree, tree);
|
||||
extern bool hook_bool_tree_tree_false (tree, tree);
|
||||
|
||||
rtx hook_rtx_rtx_identity (rtx);
|
||||
rtx hook_rtx_rtx_null (rtx);
|
||||
void * hook_voidp_size_t_null (size_t);
|
||||
bool hook_bool_voidp_size_t_false (void *, size_t);
|
||||
extern rtx hook_rtx_rtx_identity (rtx);
|
||||
extern rtx hook_rtx_rtx_null (rtx);
|
||||
extern rtx hook_rtx_tree_int_null (tree, int);
|
||||
extern void * hook_voidp_size_t_null (size_t);
|
||||
extern bool hook_bool_voidp_size_t_false (void *, size_t);
|
||||
|
||||
#endif
|
||||
|
|
|
|||
|
|
@ -195,3 +195,10 @@ default_pretend_outgoing_varargs_named(CUMULATIVE_ARGS *ca ATTRIBUTE_UNUSED)
|
|||
#endif
|
||||
#endif
|
||||
}
|
||||
|
||||
/* Generic hook that takes a CUMULATIVE_ARGS pointer and returns true. */
|
||||
bool
|
||||
hook_bool_CUMULATIVE_ARGS_true (CUMULATIVE_ARGS * a ATTRIBUTE_UNUSED)
|
||||
{
|
||||
return true;
|
||||
}
|
||||
|
|
|
|||
|
|
@ -31,3 +31,5 @@ extern rtx default_expand_builtin_saveregs (void);
|
|||
extern void default_setup_incoming_varargs (CUMULATIVE_ARGS *, enum machine_mode, tree, int *, int);
|
||||
extern bool default_strict_argument_naming (CUMULATIVE_ARGS *);
|
||||
extern bool default_pretend_outgoing_varargs_named (CUMULATIVE_ARGS *);
|
||||
|
||||
extern bool hook_bool_CUMULATIVE_ARGS_true (CUMULATIVE_ARGS *);
|
||||
|
|
|
|||
Loading…
Reference in New Issue