(arc_text_string, arc_data_string, arc_rodata_string): Make static.
(TARGET_HANDLE_OPTION): Override default.
(arc_handle_option): New function.
(arc_init): Remove code to set arch_cpu_string.
* config/arc/arc.h (target_flags, TARGET_MASK_MANGLE_CPU)
(TARGET_MANGLE_CPU, TARGET_MASK_MANGLE_CPU_LIBGCC)
(TARGET_MANGLE_CPU_LIBGCC, TARGET_MASK_ALIGN_LOOPS, TARGET_ALIGN_LOOPS)
(TARGET_MASK_BIG_ENDIAN, TARGET_BIG_ENDIAN, TARGET_MASK_NO_COND_EXEC)
(TARGET_NO_COND_EXEC, TARGET_SWITCHES, TARGET_DEFAULT)
(SUBTARGET_SWITCHES, arc_cpu_string, arc_text_string, arc_data_string)
(arc_rodata_string, TARGET_OPTIONS): Delete.
* config/arc/arc.opt: New file.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@96607
138bc75d-0d04-0410-961f-
82ee72b054a4
+2005-03-17 Richard Sandiford <rsandifo@redhat.com>
+
+ * config/arc/arc.c (arc_cpu_string): Make static. Default to "base"
+ (arc_text_string, arc_data_string, arc_rodata_string): Make static.
+ (TARGET_HANDLE_OPTION): Override default.
+ (arc_handle_option): New function.
+ (arc_init): Remove code to set arch_cpu_string.
+ * config/arc/arc.h (target_flags, TARGET_MASK_MANGLE_CPU)
+ (TARGET_MANGLE_CPU, TARGET_MASK_MANGLE_CPU_LIBGCC)
+ (TARGET_MANGLE_CPU_LIBGCC, TARGET_MASK_ALIGN_LOOPS, TARGET_ALIGN_LOOPS)
+ (TARGET_MASK_BIG_ENDIAN, TARGET_BIG_ENDIAN, TARGET_MASK_NO_COND_EXEC)
+ (TARGET_NO_COND_EXEC, TARGET_SWITCHES, TARGET_DEFAULT)
+ (SUBTARGET_SWITCHES, arc_cpu_string, arc_text_string, arc_data_string)
+ (arc_rodata_string, TARGET_OPTIONS): Delete.
+ * config/arc/arc.opt: New file.
+
2005-03-17 Richard Henderson <rth@redhat.com>
* doc/extend.texi (Weak Pragmas): New section.
#include "target.h"
#include "target-def.h"
-/* Which cpu we're compiling for (NULL(=base), ???). */
-const char *arc_cpu_string;
+/* Which cpu we're compiling for. */
+static const char *arc_cpu_string = "base";
int arc_cpu_type;
/* Name of mangle string to add to symbols to separate code compiled for each
/* Name of text, data, and rodata sections, as specified on command line.
Selected by -m{text,data,rodata} flags. */
-const char *arc_text_string = ARC_DEFAULT_TEXT_SECTION;
-const char *arc_data_string = ARC_DEFAULT_DATA_SECTION;
-const char *arc_rodata_string = ARC_DEFAULT_RODATA_SECTION;
+static const char *arc_text_string = ARC_DEFAULT_TEXT_SECTION;
+static const char *arc_data_string = ARC_DEFAULT_DATA_SECTION;
+static const char *arc_rodata_string = ARC_DEFAULT_RODATA_SECTION;
/* Name of text, data, and rodata sections used in varasm.c. */
const char *arc_text_section;
arc_print_operand. */
static int last_insn_set_cc_p;
static int current_insn_set_cc_p;
+static bool arc_handle_option (size_t, const char *, int);
static void record_cc_ref (rtx);
static void arc_init_reg_tables (void);
static int get_arc_condition_code (rtx);
#undef TARGET_ASM_EXTERNAL_LIBCALL
#define TARGET_ASM_EXTERNAL_LIBCALL arc_external_libcall
+#undef TARGET_HANDLE_OPTION
+#define TARGET_HANDLE_OPTION arc_handle_option
+
#undef TARGET_RTX_COSTS
#define TARGET_RTX_COSTS arc_rtx_costs
#undef TARGET_ADDRESS_COST
struct gcc_target targetm = TARGET_INITIALIZER;
\f
+/* Implement TARGET_HANDLE_OPTION. */
+
+static bool
+arc_handle_option (size_t code, const char *arg, int value ATTRIBUTE_UNUSED)
+{
+ switch (code)
+ {
+ case OPT_mcpu_:
+ if (strcmp (arg, "base") == 0 || ARC_EXTENSION_CPU (arg))
+ {
+ arc_cpu_string = arg;
+ return true;
+ }
+ return false;
+
+ case OPT_mtext_:
+ arc_text_string = arg;
+ return true;
+
+ case OPT_mdata_:
+ arc_data_string = arg;
+ return true;
+
+ case OPT_mrodata_:
+ arc_rodata_string = arg;
+ return true;
+
+ default:
+ return true;
+ }
+}
+
/* Called by OVERRIDE_OPTIONS to initialize various things. */
void
{
char *tmp;
- if (arc_cpu_string == 0
- || !strcmp (arc_cpu_string, "base"))
- {
- /* Ensure we have a printable value for the .cpu pseudo-op. */
- arc_cpu_string = "base";
- arc_cpu_type = 0;
- arc_mangle_cpu = NULL;
- }
- else if (ARC_EXTENSION_CPU (arc_cpu_string))
- ; /* nothing to do */
- else
- {
- error ("bad value (%s) for -mcpu switch", arc_cpu_string);
- arc_cpu_string = "base";
- arc_cpu_type = 0;
- arc_mangle_cpu = NULL;
- }
-
/* Set the pseudo-ops for the various standard sections. */
arc_text_section = tmp = xmalloc (strlen (arc_text_string) + sizeof (ARC_SECTION_FORMAT) + 1);
sprintf (tmp, ARC_SECTION_FORMAT, arc_text_string);
#define ENDFILE_SPEC "crtfini.o%s"
\f
-/* Run-time compilation parameters selecting different hardware subsets. */
-
-extern int target_flags;
-
-/* Mangle all user symbols for the specified cpu.
- ARC's can be shipped in which a collection of cpus are coupled together.
- Each CPU may be different in some way, and thus we may need to distinguish
- code compiled for one to ensure it isn't linked with code compiled for
- another. */
-#define TARGET_MASK_MANGLE_CPU 1
-#define TARGET_MANGLE_CPU (target_flags & TARGET_MASK_MANGLE_CPU)
-
-#if 0
-/* Mangle libgcc symbols by adding a suffix for the specified cpu. */
-#define TARGET_MASK_MANGLE_CPU_LIBGCC 2
-#define TARGET_MANGLE_CPU_LIBGCC (target_flags & TARGET_MASK_MANGLE_CPU_LIBGCC)
-#endif
-
-/* Align loops to 32 byte boundaries (cache line size). */
-#define TARGET_MASK_ALIGN_LOOPS 4
-#define TARGET_ALIGN_LOOPS (target_flags & TARGET_MASK_ALIGN_LOOPS)
-
-/* Big Endian. */
-#define TARGET_MASK_BIG_ENDIAN 8
-#define TARGET_BIG_ENDIAN (target_flags & TARGET_MASK_BIG_ENDIAN)
-
-/* Turn off conditional execution optimization,
- so we can see how well it does, or in case it's buggy. */
-#define TARGET_MASK_NO_COND_EXEC 0x10
-#define TARGET_NO_COND_EXEC (target_flags & TARGET_MASK_NO_COND_EXEC)
-
-/* 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. */
-
-#define TARGET_SWITCHES \
-{ \
- { "mangle-cpu", TARGET_MASK_MANGLE_CPU }, \
- { "no-mangle-cpu", -TARGET_MASK_MANGLE_CPU }, \
-/* { "mangle-cpu-libgcc", TARGET_MASK_MANGLE_CPU_LIBGCC }, */ \
-/* { "no-mangle-cpu-libgcc", -TARGET_MASK_MANGLE_CPU_LIBGCC }, */ \
- { "align-loops", TARGET_MASK_ALIGN_LOOPS }, \
- { "no-align-loops", -TARGET_MASK_ALIGN_LOOPS }, \
- { "big-endian", TARGET_MASK_BIG_ENDIAN }, \
- { "little-endian", -TARGET_MASK_BIG_ENDIAN }, \
- { "no-cond-exec", TARGET_MASK_NO_COND_EXEC }, \
- SUBTARGET_SWITCHES \
- { "", TARGET_DEFAULT } \
-}
-
-#define TARGET_DEFAULT (0)
-
-#define SUBTARGET_SWITCHES
-
/* Instruction set characteristics.
These are internal macros, set by the appropriate -mcpu= option. */
/* Nonzero means the cpu has a barrel shifter. */
#define TARGET_SHIFTER 0
-extern const char *arc_cpu_string;
-extern const char *arc_text_string,*arc_data_string,*arc_rodata_string;
-
-#define TARGET_OPTIONS \
-{ \
- { "cpu=", &arc_cpu_string, 0}, \
- { "text=", &arc_text_string, 0}, \
- { "data=", &arc_data_string, 0}, \
- { "rodata=", &arc_rodata_string, 0}, \
-}
-
/* Which cpu we're compiling for. */
extern int arc_cpu_type;
--- /dev/null
+malign-loops
+Target Undocumented Report Mask(ALIGN_LOOPS)
+
+mbig-endian
+Target Undocumented Report RejectNegative Mask(BIG_ENDIAN)
+
+mlittle-endian
+Target Undocumented Report RejectNegative InverseMask(BIG_ENDIAN)
+
+mmangle-cpu
+Target Report Mask(MANGLE_CPU)
+Prepend the name of the cpu to all public symbol names
+
+; mmangle-cpu-libgcc
+; Target Undocumented Mask(MANGLE_CPU_LIBGC)
+
+mno-cond-exec
+Target Undocumented Report RejectNegative Mask(NO_COND_EXEC)
+
+mcpu=
+Target RejectNegative Joined
+-mcpu=CPU Compile code for ARC variant CPU
+
+mtext=
+Target RejectNegative Joined
+-mtext=SECTION Put functions in SECTION
+
+mdata=
+Target RejectNegative Joined
+-mdata=SECTION Put data in SECTION
+
+mrodata=
+Target RejectNegative Joined
+-mrodata=SECTION Put read-only data in SECTION
OSDN Git Service
