aboutsummaryrefslogtreecommitdiffstats
path: root/gcc-4.9/gcc/common/config/mep/mep-common.c
diff options
context:
space:
mode:
Diffstat (limited to 'gcc-4.9/gcc/common/config/mep/mep-common.c')
-rw-r--r--gcc-4.9/gcc/common/config/mep/mep-common.c89
1 files changed, 89 insertions, 0 deletions
diff --git a/gcc-4.9/gcc/common/config/mep/mep-common.c b/gcc-4.9/gcc/common/config/mep/mep-common.c
new file mode 100644
index 000000000..5c2bd8031
--- /dev/null
+++ b/gcc-4.9/gcc/common/config/mep/mep-common.c
@@ -0,0 +1,89 @@
+/* Common hooks for Toshiba Media Processor.
+ Copyright (C) 2001-2014 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;