* config/mn10300/mn10300.h (target_flags, TARGET_MULT_BUG)
(TARGET_SWITCHES, TARGET_DEFAULT): Delete.
(processor_type): New enum.
(mn10300_processor): New variable.
(TARGET_AM33, TARGET_AM33_2): Redefine in terms of mn10300_processor.
(PROCESSOR_DEFAULT, OVERRIDE_OPTIONS): New macros.
* config/mn10300/linux.h (TARGET_SWITCHES, TARGET_DEFAULT): Delete.
(PROCESSOR_DEFAULT): New macro.
* config/mn10300/mn10300.c (mn10300_processor): New variable.
(TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
(mn10300_handle_option, mn10300_override_options): New functions.
* config/mn10300/mn10300.opt: New file.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@97609
138bc75d-0d04-0410-961f-
82ee72b054a4
+2004-04-05 Richard Sandiford <rsandifo@redhat.com>
+
+ * config/mn10300/mn10300-protos.h (mn10300_override_options): Declare.
+ * config/mn10300/mn10300.h (target_flags, TARGET_MULT_BUG)
+ (TARGET_SWITCHES, TARGET_DEFAULT): Delete.
+ (processor_type): New enum.
+ (mn10300_processor): New variable.
+ (TARGET_AM33, TARGET_AM33_2): Redefine in terms of mn10300_processor.
+ (PROCESSOR_DEFAULT, OVERRIDE_OPTIONS): New macros.
+ * config/mn10300/linux.h (TARGET_SWITCHES, TARGET_DEFAULT): Delete.
+ (PROCESSOR_DEFAULT): New macro.
+ * config/mn10300/mn10300.c (mn10300_processor): New variable.
+ (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
+ (mn10300_handle_option, mn10300_override_options): New functions.
+ * config/mn10300/mn10300.opt: New file.
+
2005-04-05 Eric Botcazou <ebotcazou@libertysurf.fr>
Sebastian Pop <sebastian.pop@cri.ensmp.fr>
%{!dynamic-linker:-dynamic-linker /lib/ld.so.1}} \
%{static:-static}"
-#undef TARGET_SWITCHES
-#define TARGET_SWITCHES \
- {{ "am33", -0x4, N_("Target the AM33 processor") }, \
- { "am33-2", 6, N_("Target the AM33/2.0 processor") }, \
- { "relax", 0, N_("Enable linker relaxations") }, \
- { "", TARGET_DEFAULT, NULL }}
-
-#undef TARGET_DEFAULT
-#define TARGET_DEFAULT 6
+#undef PROCESSOR_DEFAULT
+#define PROCESSOR_DEFAULT PROCESSOR_AM33_2
#undef TARGET_VERSION
#define TARGET_VERSION fprintf (stderr, " (AM33/2.0 GNU/Linux)");
extern void mn10300_va_start (tree, rtx);
#endif /* TREE_CODE */
+extern void mn10300_override_options (void);
extern struct rtx_def *legitimize_address (rtx, rtx, enum machine_mode);
extern rtx legitimize_pic_address (rtx, rtx);
extern int legitimate_pic_operand_p (rtx);
symbol names from register names. */
int mn10300_protect_label;
+/* The selected processor. */
+enum processor_type mn10300_processor = PROCESSOR_DEFAULT;
+
/* The size of the callee register save area. Right now we save everything
on entry since it costs us nothing in code size. It does cost us from a
speed standpoint, so we want to optimize this sooner or later. */
|| regs_ever_live[16] || regs_ever_live[17]))
+static bool mn10300_handle_option (size_t, const char *, int);
static int mn10300_address_cost_1 (rtx, int *);
static int mn10300_address_cost (rtx);
static bool mn10300_rtx_costs (rtx, int, int, int *);
#undef TARGET_ASM_FILE_START_FILE_DIRECTIVE
#define TARGET_ASM_FILE_START_FILE_DIRECTIVE true
+#undef TARGET_DEFAULT_TARGET_FLAGS
+#define TARGET_DEFAULT_TARGET_FLAGS MASK_MULT_BUG
+#undef TARGET_HANDLE_OPTION
+#define TARGET_HANDLE_OPTION mn10300_handle_option
+
#undef TARGET_ENCODE_SECTION_INFO
#define TARGET_ENCODE_SECTION_INFO mn10300_encode_section_info
static void mn10300_encode_section_info (tree, rtx, int);
struct gcc_target targetm = TARGET_INITIALIZER;
\f
+/* Implement TARGET_HANDLE_OPTION. */
+
+static bool
+mn10300_handle_option (size_t code,
+ const char *arg ATTRIBUTE_UNUSED,
+ int value)
+{
+ switch (code)
+ {
+ case OPT_mam33:
+ mn10300_processor = value ? PROCESSOR_AM33 : PROCESSOR_MN10300;
+ return true;
+ case OPT_mam33_2:
+ mn10300_processor = (value
+ ? PROCESSOR_AM33_2
+ : MIN (PROCESSOR_AM33, PROCESSOR_DEFAULT));
+ return true;
+ default:
+ return true;
+ }
+}
+
+/* Implement OVERRIDE_OPTIONS. */
+
+void
+mn10300_override_options (void)
+{
+ if (TARGET_AM33)
+ target_flags &= ~MASK_MULT_BUG;
+}
+
static void
mn10300_file_start (void)
{
#define CPP_SPEC "%{mam33:-D__AM33__} %{mam33-2:-D__AM33__=2 -D__AM33_2__}"
-/* Run-time compilation parameters selecting different hardware subsets. */
+extern GTY(()) int mn10300_unspec_int_label_counter;
-extern int target_flags;
+enum processor_type {
+ PROCESSOR_MN10300,
+ PROCESSOR_AM33,
+ PROCESSOR_AM33_2
+};
-extern GTY(()) int mn10300_unspec_int_label_counter;
+extern enum processor_type mn10300_processor;
-/* Macros used in the machine description to test the flags. */
-
-/* Macro to define tables used to set the flags.
- This is a list in braces of pairs in braces,
- each pair being { "NAME", VALUE }
- where VALUE is the bits to set or minus the bits to clear.
- An empty string NAME is used to identify the default VALUE. */
-
-/* Generate code to work around mul/mulq bugs on the mn10300. */
-#define TARGET_MULT_BUG (target_flags & 0x1)
-
-/* Generate code for the AM33 processor. */
-#define TARGET_AM33 (target_flags & 0x2)
-
-/* Generate code for the AM33/2.0 processor. */
-#define TARGET_AM33_2 (target_flags & 0x4)
-
-#define TARGET_SWITCHES \
- {{ "mult-bug", 0x1, N_("Work around hardware multiply bug")}, \
- { "no-mult-bug", -0x1, N_("Do not work around hardware multiply bug")},\
- { "am33", 0x2, N_("Target the AM33 processor")}, \
- { "am33", -(0x1), ""},\
- { "no-am33", -0x2, ""}, \
- { "no-crt0", 0, N_("No default crt0.o") }, \
- { "am33-2", 0x6, N_("Target the AM33/2.0 processor")}, \
- { "am33-2", -(0x1), ""},\
- { "no-am33-2", -0x4, ""}, \
- { "relax", 0, N_("Enable linker relaxations") }, \
- { "", TARGET_DEFAULT, NULL}}
-
-#ifndef TARGET_DEFAULT
-#define TARGET_DEFAULT 0x1
+#define TARGET_AM33 (mn10300_processor >= PROCESSOR_AM33)
+#define TARGET_AM33_2 (mn10300_processor == PROCESSOR_AM33_2)
+
+#ifndef PROCESSOR_DEFAULT
+#define PROCESSOR_DEFAULT PROCESSOR_MN10300
#endif
+#define OVERRIDE_OPTIONS mn10300_override_options ()
+
/* Print subsidiary information on the compiler version in use. */
#define TARGET_VERSION fprintf (stderr, " (MN10300)");
--- /dev/null
+; Options for the Matsushita MN10300 port of the compiler.
+
+; Copyright (C) 2005 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 2, 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 COPYING. If not, write to the Free
+; Software Foundation, 59 Temple Place - Suite 330, Boston, MA
+; 02111-1307, USA.
+
+mam33
+Target
+Target the AM33 processor
+
+mam33-2
+Target
+Target the AM33/2.0 processor
+
+mmult-bug
+Target Report Mask(MULT_BUG)
+Work around hardware multiply bug
+
+; Ignored by the compiler
+mrelax
+Target RejectNegative
+Enable linker relaxations
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