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arm.c (TARGET_PROMOTE_FUNCTION_ARGS): New.

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* config/arm/arm.c (TARGET_PROMOTE_FUNCTION_ARGS): New.
	(TARGET_PROMOTE_PROTOTYPES): Likewise.
	(TARGET_STRUCT_VALUE_RTX): Likewise.
	(arm_struct_value_rtx): Likewise.
	* config/arm/arm.h (PROMOTE_FUNCTION_ARGS): Remove.
	(STRUCT_VALUE): Likewise.
	(STRUCT_VALUE_REGNUM): Likewise.
	(PROMOTE_PROTOTYPES): Likewise.

From-SVN: r76636
This commit is contained in:
Kazu Hirata 2004-01-26 15:40:04 +00:00 committed by Kazu Hirata
parent 351a758bd9
commit f9ba5949c9
3 changed files with 40 additions and 23 deletions
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11
gcc/ChangeLog
View File

@ -1,3 +1,14 @@
2004-01-26 Kazu Hirata <kazu@cs.umass.edu>
* config/arm/arm.c (TARGET_PROMOTE_FUNCTION_ARGS): New.
(TARGET_PROMOTE_PROTOTYPES): Likewise.
(TARGET_STRUCT_VALUE_RTX): Likewise.
(arm_struct_value_rtx): Likewise.
* config/arm/arm.h (PROMOTE_FUNCTION_ARGS): Remove.
(STRUCT_VALUE): Likewise.
(STRUCT_VALUE_REGNUM): Likewise.
(PROMOTE_PROTOTYPES): Likewise.
2004-01-26 Kazu Hirata <kazu@cs.umass.edu>
* config/ia64/ia64-protos.h: Remove the prototype for

28
gcc/config/arm/arm.c
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@ -150,6 +150,7 @@ static void aof_dump_pic_table (FILE *);
static void aof_file_start (void);
static void aof_file_end (void);
#endif
static rtx arm_struct_value_rtx (tree, int);
/* Initialize the GCC target structure. */
@ -233,6 +234,14 @@ static void aof_file_end (void);
#undef TARGET_EXPAND_BUILTIN
#define TARGET_EXPAND_BUILTIN arm_expand_builtin
#undef TARGET_PROMOTE_FUNCTION_ARGS
#define TARGET_PROMOTE_FUNCTION_ARGS hook_bool_tree_true
#undef TARGET_PROMOTE_PROTOTYPES
#define TARGET_PROMOTE_PROTOTYPES hook_bool_tree_true
#undef TARGET_STRUCT_VALUE_RTX
#define TARGET_STRUCT_VALUE_RTX arm_struct_value_rtx
struct gcc_target targetm = TARGET_INITIALIZER;
/* Obstack for minipool constant handling. */
@ -13322,3 +13331,22 @@ arm_output_load_gr (rtx *operands)
return "";
}
static rtx
arm_struct_value_rtx (tree fntype ATTRIBUTE_UNUSED,
int incoming ATTRIBUTE_UNUSED)
{
#if 0
/* FIXME: The ARM backend has special code to handle structure
returns, and will reserve its own hidden first argument. So
if this macro is enabled a *second* hidden argument will be
reserved, which will break binary compatibility with old
toolchains and also thunk handling. One day this should be
fixed. */
return 0;
#else
/* Register in which address to store a structure value
is passed to a function. */
return gen_rtx_REG (Pmode, ARG_REGISTER (1));
#endif
}

24
gcc/config/arm/arm.h
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@ -1,6 +1,6 @@
/* Definitions of target machine for GNU compiler, for ARM.
Copyright (C) 1991, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000,
2001, 2002, 2003 Free Software Foundation, Inc.
2001, 2002, 2003, 2004 Free Software Foundation, Inc.
Contributed by Pieter `Tiggr' Schoenmakers (rcpieter@win.tue.nl)
and Martin Simmons (@harleqn.co.uk).
More major hacks by Richard Earnshaw (rearnsha@arm.com)
@ -709,11 +709,6 @@ extern int arm_is_6_or_7;
(MODE) = SImode; \
}
/* Define this macro if the promotion described by `PROMOTE_MODE'
should also be done for outgoing function arguments. */
/* This is required to ensure that push insns always push a word. */
#define PROMOTE_FUNCTION_ARGS
/* Define this if most significant bit is lowest numbered
in instructions that operate on numbered bit-fields. */
#define BITS_BIG_ENDIAN 0
@ -1051,20 +1046,6 @@ extern const char * structure_size_string;
/* Return the register number of the N'th (integer) argument. */
#define ARG_REGISTER(N) (N - 1)
#if 0 /* FIXME: The ARM backend has special code to handle structure
returns, and will reserve its own hidden first argument. So
if this macro is enabled a *second* hidden argument will be
reserved, which will break binary compatibility with old
toolchains and also thunk handling. One day this should be
fixed. */
/* RTX for structure returns. NULL means use a hidden first argument. */
#define STRUCT_VALUE 0
#else
/* Register in which address to store a structure value
is passed to a function. */
#define STRUCT_VALUE_REGNUM ARG_REGISTER (1)
#endif
/* Specify the registers used for certain standard purposes.
The values of these macros are register numbers. */
@ -2349,9 +2330,6 @@ do { \
/* Calling from registers is a massive pain. */
#define NO_FUNCTION_CSE 1
/* Chars and shorts should be passed as ints. */
#define PROMOTE_PROTOTYPES 1
/* The machine modes of pointers and functions */
#define Pmode SImode
#define FUNCTION_MODE Pmode