mirror of
https://github.com/Stichting-MINIX-Research-Foundation/netbsd.git
synced 2025-09-12 16:46:33 -04:00
96 lines
2.7 KiB
C
96 lines
2.7 KiB
C
/* Common hooks for DEC Alpha.
|
|
Copyright (C) 1992-2013 Free Software Foundation, Inc.
|
|
|
|
This file is part of GCC.
|
|
|
|
GCC is free software; you can redistribute it and/or modify
|
|
it under the terms of the GNU General Public License as published by
|
|
the Free Software Foundation; either version 3, or (at your option)
|
|
any later version.
|
|
|
|
GCC is distributed in the hope that it will be useful,
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
GNU General Public License for more details.
|
|
|
|
You should have received a copy of the GNU General Public License
|
|
along with GCC; see the file COPYING3. If not see
|
|
<http://www.gnu.org/licenses/>. */
|
|
|
|
#include "config.h"
|
|
#include "system.h"
|
|
#include "coretypes.h"
|
|
#include "diagnostic-core.h"
|
|
#include "tm.h"
|
|
#include "common/common-target.h"
|
|
#include "common/common-target-def.h"
|
|
#include "opts.h"
|
|
#include "flags.h"
|
|
|
|
/* Implement TARGET_OPTION_OPTIMIZATION_TABLE. */
|
|
static const struct default_options alpha_option_optimization_table[] =
|
|
{
|
|
{ OPT_LEVELS_1_PLUS, OPT_fomit_frame_pointer, NULL, 1 },
|
|
/* Enable redundant extension instructions removal at -O2 and higher. */
|
|
{ OPT_LEVELS_2_PLUS, OPT_free, NULL, 1 },
|
|
{ OPT_LEVELS_NONE, 0, NULL, 0 }
|
|
};
|
|
|
|
/* Implement TARGET_OPTION_INIT_STRUCT. */
|
|
|
|
static void
|
|
alpha_option_init_struct (struct gcc_options *opts ATTRIBUTE_UNUSED)
|
|
{
|
|
#if TARGET_ABI_OPEN_VMS
|
|
/* Enable section anchors by default. */
|
|
opts->x_flag_section_anchors = 1;
|
|
#endif
|
|
}
|
|
|
|
/* Implement TARGET_HANDLE_OPTION. */
|
|
|
|
static bool
|
|
alpha_handle_option (struct gcc_options *opts,
|
|
struct gcc_options *opts_set ATTRIBUTE_UNUSED,
|
|
const struct cl_decoded_option *decoded,
|
|
location_t loc)
|
|
{
|
|
size_t code = decoded->opt_index;
|
|
const char *arg = decoded->arg;
|
|
int value = decoded->value;
|
|
|
|
switch (code)
|
|
{
|
|
case OPT_mfp_regs:
|
|
if (value == 0)
|
|
opts->x_target_flags |= MASK_SOFT_FP;
|
|
break;
|
|
|
|
case OPT_mieee:
|
|
case OPT_mieee_with_inexact:
|
|
opts->x_target_flags |= MASK_IEEE_CONFORMANT;
|
|
break;
|
|
|
|
case OPT_mtls_size_:
|
|
if (value != 16 && value != 32 && value != 64)
|
|
error_at (loc, "bad value %qs for -mtls-size switch", arg);
|
|
break;
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
#undef TARGET_DEFAULT_TARGET_FLAGS
|
|
#define TARGET_DEFAULT_TARGET_FLAGS \
|
|
(TARGET_DEFAULT | TARGET_CPU_DEFAULT | TARGET_DEFAULT_EXPLICIT_RELOCS)
|
|
#undef TARGET_HANDLE_OPTION
|
|
#define TARGET_HANDLE_OPTION alpha_handle_option
|
|
|
|
#undef TARGET_OPTION_INIT_STRUCT
|
|
#define TARGET_OPTION_INIT_STRUCT alpha_option_init_struct
|
|
|
|
#undef TARGET_OPTION_OPTIMIZATION_TABLE
|
|
#define TARGET_OPTION_OPTIMIZATION_TABLE alpha_option_optimization_table
|
|
|
|
struct gcc_targetm_common targetm_common = TARGETM_COMMON_INITIALIZER;
|