aboutsummaryrefslogtreecommitdiffstats
path: root/gcc-4.9/gcc/common/config/msp430/msp430-common.c
diff options
context:
space:
mode:
Diffstat (limited to 'gcc-4.9/gcc/common/config/msp430/msp430-common.c')
-rw-r--r--gcc-4.9/gcc/common/config/msp430/msp430-common.c91
1 files changed, 91 insertions, 0 deletions
diff --git a/gcc-4.9/gcc/common/config/msp430/msp430-common.c b/gcc-4.9/gcc/common/config/msp430/msp430-common.c
new file mode 100644
index 000000000..fc2c1f27d
--- /dev/null
+++ b/gcc-4.9/gcc/common/config/msp430/msp430-common.c
@@ -0,0 +1,91 @@
+/* Common hooks for Texas Instruments MSP430.
+ Copyright (C) 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 "diagnostic-core.h"
+#include "tm.h"
+#include "common/common-target.h"
+#include "common/common-target-def.h"
+#include "opts.h"
+#include "flags.h"
+
+/* Handle -mcpu= and -mmcu= here. We want to ensure that only one
+ of these two options - the last specified on the command line -
+ is passed on to the msp430 backend. */
+
+static bool
+msp430_handle_option (struct gcc_options *opts ATTRIBUTE_UNUSED,
+ struct gcc_options *opts_set ATTRIBUTE_UNUSED,
+ const struct cl_decoded_option *decoded,
+ location_t loc ATTRIBUTE_UNUSED)
+{
+ switch (decoded->opt_index)
+ {
+ case OPT_mcpu_:
+ if (strcasecmp (decoded->arg, "msp430x") == 0
+ || strcasecmp (decoded->arg, "msp430xv2") == 0
+ || strcasecmp (decoded->arg, "430x") == 0
+ || strcasecmp (decoded->arg, "430xv2") == 0)
+ {
+ target_cpu = "msp430x";
+ target_mcu = NULL;
+ }
+ else if (strcasecmp (decoded->arg, "msp430") == 0
+ || strcasecmp (decoded->arg, "430") == 0)
+ {
+ target_cpu = "msp430";
+ target_mcu = NULL;
+ }
+ else
+ {
+ error ("unrecognised argument of -mcpu: %s", decoded->arg);
+ return false;
+ }
+ break;
+
+ case OPT_mmcu_:
+ /* For backwards compatibility we recognise two generic MCU
+ 430X names. However we want to be able to generate special C
+ preprocessor defines for them, which is why we set target_mcu
+ to NULL. */
+ if (strcasecmp (decoded->arg, "msp430") == 0)
+ {
+ target_cpu = "msp430";
+ target_mcu = NULL;
+ }
+ else if (strcasecmp (decoded->arg, "msp430x") == 0
+ || strcasecmp (decoded->arg, "msp430xv2") == 0)
+ {
+ target_cpu = "msp430x";
+ target_mcu = NULL;
+ }
+ else
+ target_cpu = NULL;
+ break;
+ }
+
+ return true;
+}
+
+#undef TARGET_HANDLE_OPTION
+#define TARGET_HANDLE_OPTION msp430_handle_option
+
+struct gcc_targetm_common targetm_common = TARGETM_COMMON_INITIALIZER;