arc.c (arc_cpu_string): Make static.
* 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. From-SVN: r96607
This commit is contained in:
Richard Sandiford
Richard Sandiford
parent
7416ab0243
commit
3ff01d4d50
@ -1,3 +1,19 @@
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2005-03-17 Richard Sandiford <rsandifo@redhat.com>
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* config/arc/arc.c (arc_cpu_string): Make static. Default to "base"
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(arc_text_string, arc_data_string, arc_rodata_string): Make static.
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(TARGET_HANDLE_OPTION): Override default.
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(arc_handle_option): New function.
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(arc_init): Remove code to set arch_cpu_string.
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* config/arc/arc.h (target_flags, TARGET_MASK_MANGLE_CPU)
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(TARGET_MANGLE_CPU, TARGET_MASK_MANGLE_CPU_LIBGCC)
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(TARGET_MANGLE_CPU_LIBGCC, TARGET_MASK_ALIGN_LOOPS, TARGET_ALIGN_LOOPS)
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(TARGET_MASK_BIG_ENDIAN, TARGET_BIG_ENDIAN, TARGET_MASK_NO_COND_EXEC)
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(TARGET_NO_COND_EXEC, TARGET_SWITCHES, TARGET_DEFAULT)
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(SUBTARGET_SWITCHES, arc_cpu_string, arc_text_string, arc_data_string)
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(arc_rodata_string, TARGET_OPTIONS): Delete.
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* config/arc/arc.opt: New file.
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2005-03-17 Richard Henderson <rth@redhat.com>
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* doc/extend.texi (Weak Pragmas): New section.
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@ -43,8 +43,8 @@ Boston, MA 02111-1307, USA. */
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#include "target.h"
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#include "target-def.h"
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/* Which cpu we're compiling for (NULL(=base), ???). */
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const char *arc_cpu_string;
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/* Which cpu we're compiling for. */
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static const char *arc_cpu_string = "base";
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int arc_cpu_type;
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/* Name of mangle string to add to symbols to separate code compiled for each
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@ -57,9 +57,9 @@ rtx arc_compare_op0, arc_compare_op1;
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/* Name of text, data, and rodata sections, as specified on command line.
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Selected by -m{text,data,rodata} flags. */
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const char *arc_text_string = ARC_DEFAULT_TEXT_SECTION;
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const char *arc_data_string = ARC_DEFAULT_DATA_SECTION;
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const char *arc_rodata_string = ARC_DEFAULT_RODATA_SECTION;
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static const char *arc_text_string = ARC_DEFAULT_TEXT_SECTION;
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static const char *arc_data_string = ARC_DEFAULT_DATA_SECTION;
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static const char *arc_rodata_string = ARC_DEFAULT_RODATA_SECTION;
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/* Name of text, data, and rodata sections used in varasm.c. */
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const char *arc_text_section;
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@ -86,6 +86,7 @@ static int arc_ccfsm_target_label;
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arc_print_operand. */
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static int last_insn_set_cc_p;
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static int current_insn_set_cc_p;
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static bool arc_handle_option (size_t, const char *, int);
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static void record_cc_ref (rtx);
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static void arc_init_reg_tables (void);
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static int get_arc_condition_code (rtx);
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@ -126,6 +127,9 @@ static bool arc_pass_by_reference (CUMULATIVE_ARGS *, enum machine_mode,
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#undef TARGET_ASM_EXTERNAL_LIBCALL
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#define TARGET_ASM_EXTERNAL_LIBCALL arc_external_libcall
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#undef TARGET_HANDLE_OPTION
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#define TARGET_HANDLE_OPTION arc_handle_option
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#undef TARGET_RTX_COSTS
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#define TARGET_RTX_COSTS arc_rtx_costs
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#undef TARGET_ADDRESS_COST
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@ -150,6 +154,38 @@ static bool arc_pass_by_reference (CUMULATIVE_ARGS *, enum machine_mode,
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struct gcc_target targetm = TARGET_INITIALIZER;
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/* Implement TARGET_HANDLE_OPTION. */
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static bool
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arc_handle_option (size_t code, const char *arg, int value ATTRIBUTE_UNUSED)
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{
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switch (code)
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{
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case OPT_mcpu_:
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if (strcmp (arg, "base") == 0 || ARC_EXTENSION_CPU (arg))
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{
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arc_cpu_string = arg;
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return true;
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}
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return false;
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case OPT_mtext_:
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arc_text_string = arg;
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return true;
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case OPT_mdata_:
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arc_data_string = arg;
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return true;
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case OPT_mrodata_:
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arc_rodata_string = arg;
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return true;
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default:
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return true;
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}
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}
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/* Called by OVERRIDE_OPTIONS to initialize various things. */
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void
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@ -157,24 +193,6 @@ arc_init (void)
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{
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char *tmp;
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if (arc_cpu_string == 0
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|| !strcmp (arc_cpu_string, "base"))
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{
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/* Ensure we have a printable value for the .cpu pseudo-op. */
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arc_cpu_string = "base";
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arc_cpu_type = 0;
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arc_mangle_cpu = NULL;
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}
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else if (ARC_EXTENSION_CPU (arc_cpu_string))
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; /* nothing to do */
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else
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{
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error ("bad value (%s) for -mcpu switch", arc_cpu_string);
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arc_cpu_string = "base";
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arc_cpu_type = 0;
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arc_mangle_cpu = NULL;
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}
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/* Set the pseudo-ops for the various standard sections. */
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arc_text_section = tmp = xmalloc (strlen (arc_text_string) + sizeof (ARC_SECTION_FORMAT) + 1);
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sprintf (tmp, ARC_SECTION_FORMAT, arc_text_string);
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@ -72,79 +72,12 @@ Boston, MA 02111-1307, USA. */
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#define ENDFILE_SPEC "crtfini.o%s"
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/* Run-time compilation parameters selecting different hardware subsets. */
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extern int target_flags;
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/* Mangle all user symbols for the specified cpu.
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ARC's can be shipped in which a collection of cpus are coupled together.
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Each CPU may be different in some way, and thus we may need to distinguish
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code compiled for one to ensure it isn't linked with code compiled for
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another. */
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#define TARGET_MASK_MANGLE_CPU 1
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#define TARGET_MANGLE_CPU (target_flags & TARGET_MASK_MANGLE_CPU)
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#if 0
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/* Mangle libgcc symbols by adding a suffix for the specified cpu. */
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#define TARGET_MASK_MANGLE_CPU_LIBGCC 2
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#define TARGET_MANGLE_CPU_LIBGCC (target_flags & TARGET_MASK_MANGLE_CPU_LIBGCC)
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#endif
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/* Align loops to 32 byte boundaries (cache line size). */
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#define TARGET_MASK_ALIGN_LOOPS 4
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#define TARGET_ALIGN_LOOPS (target_flags & TARGET_MASK_ALIGN_LOOPS)
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/* Big Endian. */
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#define TARGET_MASK_BIG_ENDIAN 8
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#define TARGET_BIG_ENDIAN (target_flags & TARGET_MASK_BIG_ENDIAN)
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/* Turn off conditional execution optimization,
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so we can see how well it does, or in case it's buggy. */
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#define TARGET_MASK_NO_COND_EXEC 0x10
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#define TARGET_NO_COND_EXEC (target_flags & TARGET_MASK_NO_COND_EXEC)
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/* Macro to define tables used to set the flags.
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This is a list in braces of pairs in braces,
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each pair being { "NAME", VALUE }
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where VALUE is the bits to set or minus the bits to clear.
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An empty string NAME is used to identify the default VALUE. */
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#define TARGET_SWITCHES \
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{ \
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{ "mangle-cpu", TARGET_MASK_MANGLE_CPU }, \
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{ "no-mangle-cpu", -TARGET_MASK_MANGLE_CPU }, \
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/* { "mangle-cpu-libgcc", TARGET_MASK_MANGLE_CPU_LIBGCC }, */ \
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/* { "no-mangle-cpu-libgcc", -TARGET_MASK_MANGLE_CPU_LIBGCC }, */ \
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{ "align-loops", TARGET_MASK_ALIGN_LOOPS }, \
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{ "no-align-loops", -TARGET_MASK_ALIGN_LOOPS }, \
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{ "big-endian", TARGET_MASK_BIG_ENDIAN }, \
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{ "little-endian", -TARGET_MASK_BIG_ENDIAN }, \
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{ "no-cond-exec", TARGET_MASK_NO_COND_EXEC }, \
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SUBTARGET_SWITCHES \
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{ "", TARGET_DEFAULT } \
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}
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#define TARGET_DEFAULT (0)
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#define SUBTARGET_SWITCHES
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/* Instruction set characteristics.
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These are internal macros, set by the appropriate -mcpu= option. */
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/* Nonzero means the cpu has a barrel shifter. */
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#define TARGET_SHIFTER 0
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extern const char *arc_cpu_string;
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extern const char *arc_text_string,*arc_data_string,*arc_rodata_string;
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#define TARGET_OPTIONS \
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{ \
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{ "cpu=", &arc_cpu_string, 0}, \
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{ "text=", &arc_text_string, 0}, \
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{ "data=", &arc_data_string, 0}, \
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{ "rodata=", &arc_rodata_string, 0}, \
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}
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/* Which cpu we're compiling for. */
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extern int arc_cpu_type;
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34
gcc/config/arc/arc.opt
Normal file
34
gcc/config/arc/arc.opt
Normal file
@ -0,0 +1,34 @@
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malign-loops
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Target Undocumented Report Mask(ALIGN_LOOPS)
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mbig-endian
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Target Undocumented Report RejectNegative Mask(BIG_ENDIAN)
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mlittle-endian
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Target Undocumented Report RejectNegative InverseMask(BIG_ENDIAN)
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mmangle-cpu
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Target Report Mask(MANGLE_CPU)
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Prepend the name of the cpu to all public symbol names
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; mmangle-cpu-libgcc
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; Target Undocumented Mask(MANGLE_CPU_LIBGC)
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mno-cond-exec
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Target Undocumented Report RejectNegative Mask(NO_COND_EXEC)
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mcpu=
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Target RejectNegative Joined
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-mcpu=CPU Compile code for ARC variant CPU
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mtext=
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Target RejectNegative Joined
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-mtext=SECTION Put functions in SECTION
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mdata=
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Target RejectNegative Joined
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-mdata=SECTION Put data in SECTION
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mrodata=
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Target RejectNegative Joined
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-mrodata=SECTION Put read-only data in SECTION
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