diff options
Diffstat (limited to 'gcc/common/config/mep/mep-common.c')
-rw-r--r-- | gcc/common/config/mep/mep-common.c | 91 |
1 files changed, 91 insertions, 0 deletions
diff --git a/gcc/common/config/mep/mep-common.c b/gcc/common/config/mep/mep-common.c new file mode 100644 index 00000000000..d15e03b3539 --- /dev/null +++ b/gcc/common/config/mep/mep-common.c @@ -0,0 +1,91 @@ +/* Common hooks for Toshiba Media Processor. + Copyright (C) 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, + 2011 + 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 "tm.h" +#include "common/common-target.h" +#include "common/common-target-def.h" +#include "opts.h" +#include "flags.h" + +static const struct default_options mep_option_optimization_table[] = + { + /* The first scheduling pass often increases register pressure and + tends to result in more spill code. Only run it when + specifically asked. */ + { OPT_LEVELS_ALL, OPT_fschedule_insns, NULL, 0 }, + + /* Using $fp doesn't gain us much, even when debugging is + important. */ + { OPT_LEVELS_ALL, OPT_fomit_frame_pointer, NULL, 1 }, + + { OPT_LEVELS_NONE, 0, NULL, 0 } + }; + +static bool +mep_handle_option (struct gcc_options *opts, + struct gcc_options *opts_set ATTRIBUTE_UNUSED, + const struct cl_decoded_option *decoded, + location_t loc ATTRIBUTE_UNUSED) +{ + size_t code = decoded->opt_index; + + switch (code) + { + case OPT_mall_opts: + opts->x_target_flags |= MEP_ALL_OPTS; + break; + + case OPT_mno_opts: + opts->x_target_flags &= ~ MEP_ALL_OPTS; + break; + + case OPT_mcop64: + opts->x_target_flags |= MASK_COP; + opts->x_target_flags |= MASK_64BIT_CR_REGS; + break; + + case OPT_mivc2: + opts->x_target_flags |= MASK_COP; + opts->x_target_flags |= MASK_64BIT_CR_REGS; + opts->x_target_flags |= MASK_VLIW; + opts->x_target_flags |= MASK_OPT_VL64; + opts->x_target_flags |= MASK_IVC2; + + /* Remaining handling of this option deferred. */ + break; + + default: + break; + } + return TRUE; +} + +#undef TARGET_HANDLE_OPTION +#define TARGET_HANDLE_OPTION mep_handle_option +#undef TARGET_OPTION_OPTIMIZATION_TABLE +#define TARGET_OPTION_OPTIMIZATION_TABLE mep_option_optimization_table +#undef TARGET_DEFAULT_TARGET_FLAGS +#define TARGET_DEFAULT_TARGET_FLAGS TARGET_DEFAULT + +struct gcc_targetm_common targetm_common = TARGETM_COMMON_INITIALIZER; |