+2007-01-12 Nathan Sidwell <nathan@codesourcery.com>
+ Richard Sandiford <richard@codesourcery.com>
+ Julian Brown <julian@codesourcery.com>
+
+ * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
+ (m68k-*-uclinux*, m68k-*-linux*, m68k-*-rtems*): Set default_m68k_cpu
+ to the configuration's default CPU.
+ (m68010-*-netbsdelf*, m68k*-*-netbsdelf*, m68k*-*-openbsd*): Likewise.
+ Remove default masks.
+ (m680[012]0-*-*): Set the default with_cpu to the first part of
+ the target name.
+ (m68k*-*-*): Set the default with_cpu to m$default_m68k_cpu.
+ (m68k*-*-linux): Extend the --with-cpu handling to...
+ (m680[012]0-*-*, m68k*-*-*): ...these configurations. Allow m68000
+ and m68010. Don't set target_cpu_default2.
+ * doc/install.texi: Document --with-cpu for m68k.
+ * config/m68k/m68k.h (OPTION_DEFAULT_SPECS): Define.
+ * config/m68k/m68k-none.h (TARGET_CPU_DEFAULT, M68K_CPU_m68k)
+ (M68K_CPU_m68000, M68K_CPU_m68010, M68K_CPU_m68020, M68K_CPU_m68030)
+ (M68K_CPU_m68040, M68K_CPU_m68302, M68K_CPU_m68332, TARGET_DEFAULT)
+ (ASM_CPU_DEFAULT_SPEC, CC1_CPU_DEFAULT_SPEC): Delete.
+ (ASM_SPEC): Remove use of %(asm_cpu_default).
+ (EXTRA_SPECS, SUBTARGET_EXTRA_SPECS, MULTILIB_DEFAULTS): Delete.
+ * config/m68k/linux.h (TARGET_DEFAULT): Delete.
+ (CPP_SPEC): Merge definitions. Do not handle __HAVE_68881__ here.
+ * config/m68k/netbsd-elf.h (TARGET_OS_CPP_BUILTINS): Define
+ __HAVE_FPU__ if TARGET_HARD_FLOAT.
+ (TARGET_DEFAULT): Delete.
+ (EXTRA_SPECS): Delete cpp_cpu_default_spec, cpp_cpu_spec,
+ cpp_fpu_spec, asm_default_spec and netbsd_cpp_spec.
+ (CPP_CPU_SPEC): Delete.
+ (TARGET_VERSION): Merge definitions, using TARGET_68010 to pick
+ the appropriate string.
+ (CPP_CPU_DEFAULT_SPEC, ASM_DEFAULT_SPEC, CPP_FPU_SPEC): Delete.
+ (CPP_SPEC): Define to NETBSD_CPP_SPEC.
+ (ASM_SPEC): Don't use %(asm_default_spec).
+ * config/m68k/m68k.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
+ TARGET_DEFAULT and add MASK_68881.
+ * config/m68k/m68k.md: Remove mention of TARGET_DEFAULT from comments.
+
2007-01-12 Richard Sandiford <richard@codesourcery.com>
* config.gcc (m68010-*-netbsdelf*): Add MASK_68010.
use_fixproto=yes
;;
m68k-*-aout*)
+ default_m68k_cpu=68020
tmake_file=m68k/t-m68kbare
tm_file="m68k/m68k.h m68k/m68k-none.h m68k/m68kemb.h m68k/m68k-aout.h libgloss.h"
;;
m68k-*-coff*)
+ default_m68k_cpu=68020
tmake_file=m68k/t-m68kbare
tm_defines="${tm_defines} MOTOROLA USE_GAS"
tm_file="m68k/m68k.h m68k/m68k-none.h m68k/m68kemb.h dbxcoff.h m68k/coff.h dbx.h"
use_fixproto=yes
;;
m68020-*-elf* | m68k-*-elf*)
+ default_m68k_cpu=68020
tm_file="m68k/m68k.h m68k/m68k-none.h m68k/m68kelf.h dbxelf.h elfos.h m68k/m68kemb.h m68k/m68020-elf.h"
tm_defines="${tm_defines} MOTOROLA USE_GAS"
tmake_file=m68k/t-m68kelf
extra_parts="crtbegin.o crtend.o"
;;
m68010-*-netbsdelf* | m68k*-*-netbsdelf*)
+ default_m68k_cpu=68020
tm_file="${tm_file} dbxelf.h elfos.h netbsd.h netbsd-elf.h m68k/netbsd-elf.h"
tm_defines="${tm_defines} MOTOROLA USE_GAS"
- case ${target} in
- m68010*)
- target_cpu_default="MASK_68010"
- ;;
- *)
- target_cpu_default="MASK_68020|MASK_68010|MASK_68881|MASK_BITFIELD"
- ;;
- esac
;;
m68k*-*-openbsd*)
+ default_m68k_cpu=68020
# needed to unconfuse gdb
- tm_defines="${tm_defines} OBSD_OLD_GAS TARGET_DEFAULT=(MASK_68020|MASK_68010|MASK_68881|MASK_BITFIELD)"
+ tm_defines="${tm_defines} OBSD_OLD_GAS"
tm_file="m68k/m68k.h openbsd.h m68k/openbsd.h"
tmake_file="t-libc-ok t-openbsd m68k/t-openbsd"
# we need collect2 until our bug is fixed...
use_collect2=yes
;;
m68k-*-uclinux*) # Motorola m68k/ColdFire running uClinux with uClibc
+ default_m68k_cpu=68020
tm_file="m68k/m68k.h m68k/m68k-none.h m68k/m68kelf.h dbxelf.h elfos.h m68k/uclinux.h"
tm_defines="${tm_defines} MOTOROLA USE_GAS"
tmake_file=m68k/t-uclinux
m68k-*-linux*) # Motorola m68k's running GNU/Linux
# with ELF format using glibc 2
# aka the GNU/Linux C library 6.
+ default_m68k_cpu=68020
tm_file="m68k/m68k.h dbxelf.h elfos.h svr4.h linux.h m68k/linux.h"
extra_options="${extra_options} m68k/ieee.opt"
tm_defines="${tm_defines} MOTOROLA USE_GAS"
fi
;;
m68k-*-rtems*)
+ default_m68k_cpu=68020
tmake_file="m68k/t-m68kbare m68k/t-crtstuff t-rtems m68k/t-rtems"
tm_file="m68k/m68k.h m68k/m68k-none.h m68k/m68kelf.h dbxelf.h elfos.h m68k/m68kemb.h m68k/m68020-elf.h m68k/rtemself.h rtems.h"
tm_defines="${tm_defines} MOTOROLA USE_GAS"
frv550-*-*linux*)
with_cpu=fr550
;;
+ m680[012]0-*-*)
+ with_cpu=`echo ${target} | sed 's/-.*$//'`
+ ;;
+ m68k*-*-*)
+ with_cpu=m${default_m68k_cpu}
+ ;;
sparc*-*-*)
with_cpu="`echo ${target} | sed 's/-.*$//'`"
;;
esac
;;
- m68k*-linux*)
+ m680[012]0-*-* | m68k*-*-*)
supported_defaults="cpu"
+
+ # We always have a $with_cpu setting here.
case "$with_cpu" in
- "" | "m68020" | "m68030" | "m68040" | "m68060" | "m68020-40" | "m68020-60")
+ "m68000" | "m68010" | "m68020" | "m68030" | "m68040" | "m68060" | "m68020-40" | "m68020-60")
# OK
;;
*)
echo "Unknown CPU used in --with-cpu=$with_cpu, known values:" 1>&2
- echo "m68020 m68030 m68040 m68060 m68020-40 m68020-60" 1>&2
+ echo "m68000 m68010 m68020 m68030 m68040 m68060 m68020-40 m68020-60" 1>&2
exit 1
;;
esac
fi
;;
- m68k*-linux*)
- case "x$with_cpu" in
- x)
- # The most generic
- target_cpu_default2="(MASK_68020|MASK_68010|MASK_68881|MASK_BITFIELD)"
- ;;
- xm68020)
- target_cpu_default2="(MASK_68020|MASK_68010|MASK_68881|MASK_BITFIELD)"
- ;;
- xm68030)
- target_cpu_default2="(MASK_68030|MASK_68020|MASK_68010|MASK_68881|MASK_BITFIELD)"
- ;;
- xm68040)
- target_cpu_default2="(MASK_68040|MASK_68040_ONLY|MASK_68020|MASK_68010|MASK_68881|MASK_BITFIELD)"
- ;;
- xm68060)
- target_cpu_default2="(MASK_68060|MASK_68040_ONLY|MASK_68020|MASK_68010|MASK_68881|MASK_BITFIELD)"
- ;;
- xm68020-40)
- target_cpu_default2="(MASK_BITFIELD|MASK_68881|MASK_68020|MASK_68010|MASK_68040)"
- ;;
- xm68020-60)
- target_cpu_default2="(MASK_BITFIELD|MASK_68881|MASK_68020|MASK_68010|MASK_68040|MASK_68060)"
- ;;
- *)
- echo "Unknown CPU used in --with-cpu=$with_cpu" 1>&2
- exit 1
- ;;
- esac
- ;;
-
hppa*-*-* | parisc*-*-*)
target_cpu_default2="MASK_BIG_SWITCH"
if test x$gas = xyes
#undef TARGET_VERSION
#define TARGET_VERSION fprintf (stderr, " (68k GNU/Linux with ELF)");
-/* Default target comes from config.gcc. */
-
-#undef TARGET_DEFAULT
-#ifdef TARGET_CPU_DEFAULT
-#define TARGET_DEFAULT TARGET_CPU_DEFAULT
-#else
-#define TARGET_DEFAULT (MASK_BITFIELD|MASK_68881|MASK_68010|MASK_68020)
-#endif
-
/* for 68k machines this only needs to be TRUE for the 68000 */
#undef STRICT_ALIGNMENT
while (0)
#undef CPP_SPEC
-#if TARGET_DEFAULT & MASK_68881
-#define CPP_SPEC \
- "%{!msoft-float:-D__HAVE_68881__} %{posix:-D_POSIX_SOURCE} %{pthread:-D_REENTRANT}"
-#else
-#define CPP_SPEC \
- "%{m68881:-D__HAVE_68881__} %{posix:-D_POSIX_SOURCE} %{pthread:-D_REENTRANT}"
-#endif
+#define CPP_SPEC "%{posix:-D_POSIX_SOURCE} %{pthread:-D_REENTRANT}"
/* We override the ASM_SPEC from svr4.h because we must pass -m68040 down
to the assembler. */
the Free Software Foundation, 51 Franklin Street, Fifth Floor,
Boston, MA 02110-1301, USA. */
-/* Default to m68k (m68020). */
-#ifndef TARGET_CPU_DEFAULT
-#define TARGET_CPU_DEFAULT M68K_CPU_m68k
-#endif
-
-/* These are values set by the configure script in TARGET_CPU_DEFAULT.
- They are (sequential integer + (desired value for TARGET_DEFAULT) << 4). */
-#define M68K_CPU_m68k (0 + ((MASK_68020|MASK_68010|MASK_68881|MASK_BITFIELD)<<4))
-#define M68K_CPU_m68000 (1 + (0 << 4))
-#define M68K_CPU_m68010 (1 + (MASK_68010 << 4))
-#define M68K_CPU_m68020 (2 + ((MASK_68020|MASK_68010|MASK_68881|MASK_BITFIELD) << 4))
-#define M68K_CPU_m68030 (3 + ((MASK_68030|MASK_68020|MASK_68010|MASK_68881|MASK_BITFIELD) << 4))
-#define M68K_CPU_m68040 (4 + ((MASK_68040_ONLY|MASK_68020|MASK_68010|MASK_68881|MASK_BITFIELD) << 4))
-#define M68K_CPU_m68302 (5 + (0 << 4))
-#define M68K_CPU_m68332 (6 + ((MASK_68020|MASK_68010) << 4))
-
-/* This is tested for below, so if target wants to override this, it
- just set this first in cover file. */
-#ifndef TARGET_DEFAULT
-#define TARGET_DEFAULT (TARGET_CPU_DEFAULT >> 4)
-#endif
-\f
-/* Defaults for the various specs below.
- These are collected here so we only test TARGET_CPU_DEFAULT once. */
-/* ??? CC1_CPU_DEFAULT_SPEC was copied over from the earlier version of
- this file. However, it's not used anywhere here because it doesn't
- seem to be necessary. */
-#if TARGET_CPU_DEFAULT == M68K_CPU_m68k || TARGET_CPU_DEFAULT == M68K_CPU_m68020
-#define ASM_CPU_DEFAULT_SPEC "-mc68020"
-#define CC1_CPU_DEFAULT_SPEC "-m68020"
-#else
-#if TARGET_CPU_DEFAULT == M68K_CPU_m68000
-#define ASM_CPU_DEFAULT_SPEC "-mc68000"
-#define CC1_CPU_DEFAULT_SPEC "-m68000"
-#else
-#if TARGET_CPU_DEFAULT == M68K_CPU_m68030
-#define ASM_CPU_DEFAULT_SPEC "-mc68030"
-#define CC1_CPU_DEFAULT_SPEC "-m68030"
-#else
-#if TARGET_CPU_DEFAULT == M68K_CPU_m68040
-#define ASM_CPU_DEFAULT_SPEC "-mc68040"
-#define CC1_CPU_DEFAULT_SPEC "-m68040"
-#else
-#if TARGET_CPU_DEFAULT == M68K_CPU_m68302
-#define ASM_CPU_DEFAULT_SPEC "-mc68302"
-#define CC1_CPU_DEFAULT_SPEC "-m68302"
-#else
-#if TARGET_CPU_DEFAULT == M68K_CPU_m68332
-#define ASM_CPU_DEFAULT_SPEC "-mc68332"
-#define CC1_CPU_DEFAULT_SPEC "-m68332"
-#else
-Unrecognized value in TARGET_CPU_DEFAULT.
-#endif
-#endif
-#endif
-#endif
-#endif
-#endif
-
/* Pass flags to gas indicating which type of processor we have. */
#undef ASM_SPEC
#define ASM_SPEC "\
-%{m68851}%{mno-68851}%{m68881}%{mno-68881}%{msoft-float:-mno-68881} %{m68000}%{m68302}%{mc68000}%{m68010}%{m68020}%{mc68020}%{m68030}%{m68040}%{m68020-40:-mc68040} %{m68020-60:-mc68040} %{m68060}%{mcpu32}%{m68332}%{m5200}%{m5206e}%{m528x}%{m5307}%{m5407}%{mcfv4e}%{!mc68000:%{!m68000:%{!m68302:%{!m68010:%{!mc68020:%{!m68020:%{!m68030:%{!m68040:%{!m68020-40:%{!m68020-60:%{!m68060:%{!mcpu32:%{!m68332:%{!m5200:%{!m5206e:%{!m528x:%{!m5307:%{!m5407:%{!mcfv4e:%(asm_cpu_default)}}}}}}}}}}}}}}}}}}} \
+%{m68851}%{mno-68851}%{m68881}%{mno-68881}%{msoft-float:-mno-68881} %{m68000}%{m68302}%{mc68000}%{m68010}%{m68020}%{mc68020}%{m68030}%{m68040}%{m68020-40:-mc68040} %{m68020-60:-mc68040} %{m68060}%{mcpu32}%{m68332}%{m5200}%{m5206e}%{m528x}%{m5307}%{m5407}%{mcfv4e} \
%{fPIC:--pcrel} %{fpic:--pcrel} %{msep-data:--pcrel} %{mid-shared-library:--pcrel} \
"
#undef CC1_SPEC
#define CC1_SPEC ""
-/* This macro defines names of additional specifications to put in the specs
- that can be used in various specifications like CC1_SPEC. Its definition
- is an initializer with a subgrouping for each command option.
-
- Each subgrouping contains a string constant, that defines the
- specification name, and a string constant that used by the GCC driver
- program.
-
- Do not define this macro if it does not need to do anything. */
-
-#define EXTRA_SPECS \
- { "asm_cpu_default", ASM_CPU_DEFAULT_SPEC }, \
- { "cc1_cpu_default", CC1_CPU_DEFAULT_SPEC }, \
- SUBTARGET_EXTRA_SPECS
-
#define CPP_SUBTARGET_SPEC ""
-#define SUBTARGET_EXTRA_SPECS
-\f
-/* Avoid building multilib libraries for the defaults.
- For targets not handled here, just build the full set of multilibs.
- The default is m68k 99.9% of the time anyway. */
-
-#if TARGET_CPU_DEFAULT == M68K_CPU_m68k || TARGET_CPU_DEFAULT == M68K_CPU_m68020
-#if TARGET_DEFAULT & MASK_68881
-#define MULTILIB_DEFAULTS { "m68020", "m68881" }
-#else
-#define MULTILIB_DEFAULTS { "m68020", "msoft-float" }
-#endif
-#endif
-
-#if TARGET_CPU_DEFAULT == M68K_CPU_m68000 || TARGET_CPU_DEFAULT == M68K_CPU_m68302
-#if TARGET_DEFAULT & MASK_68881
-#define MULTILIB_DEFAULTS { "m68000", "m68881" }
-#else
-#define MULTILIB_DEFAULTS { "m68000", "msoft-float" }
-#endif
-#endif
#define TARGET_ASM_FILE_START_APP_OFF true
#undef TARGET_DEFAULT_TARGET_FLAGS
-#define TARGET_DEFAULT_TARGET_FLAGS (TARGET_DEFAULT | MASK_STRICT_ALIGNMENT)
+#define TARGET_DEFAULT_TARGET_FLAGS (MASK_STRICT_ALIGNMENT|MASK_68881)
#undef TARGET_HANDLE_OPTION
#define TARGET_HANDLE_OPTION m68k_handle_option
# define MOTOROLA 0 /* Use the MIT assembly syntax. */
#endif
+/* Handle --with-cpu default option from configure script. */
+#define OPTION_DEFAULT_SPECS \
+ { "cpu", "%{!mc68000:%{!m68000:%{!m68302:%{!m68010:%{!mc68020:%{!m68020:\
+%{!m68030:%{!m68040:%{!m68020-40:%{!m68020-60:%{!m68060:%{!mcpu32:\
+%{!m68332:%{!m5200:%{!m5206e:%{!m528x:%{!m5307:%{!m5407:%{!mcfv4e:\
+-%(VALUE)}}}}}}}}}}}}}}}}}}}" },
+
/* Note that some other tm.h files include this one and then override
many of the definitions that relate to assembler syntax. */
;;- issues of excess precision accumulating in the extended registers.
;;- By default, GCC does not use these instructions, since such code will
;;- not run on an '030. To use these instructions, use the -m68040-only
-;;- switch. By changing TARGET_DEFAULT to include TARGET_68040_ONLY,
-;;- you can make these instructions the default.
+;;- switch.
;;- These new instructions aren't directly in the md. They are brought
;;- into play by defining "%$" and "%&" to expand to "s" and "d" rather
builtin_define ("__m68k__"); \
builtin_define ("__SVR4_ABI__"); \
builtin_define ("__motorola__"); \
+ if (TARGET_HARD_FLOAT) \
+ builtin_define ("__HAVE_FPU__"); \
} \
while (0)
-/* Default target comes from config.gcc */
-#undef TARGET_DEFAULT
-#define TARGET_DEFAULT TARGET_CPU_DEFAULT
-
-
/* Don't try using XFmode on the 68010. */
#undef LONG_DOUBLE_TYPE_SIZE
#define LONG_DOUBLE_TYPE_SIZE (TARGET_68020 ? 80 : 64)
#endif
#define EXTRA_SPECS \
- { "cpp_cpu_default_spec", CPP_CPU_DEFAULT_SPEC }, \
- { "cpp_cpu_spec", CPP_CPU_SPEC }, \
- { "cpp_fpu_spec", CPP_FPU_SPEC }, \
- { "asm_default_spec", ASM_DEFAULT_SPEC }, \
- { "netbsd_cpp_spec", NETBSD_CPP_SPEC }, \
{ "netbsd_entry_point", NETBSD_ENTRY_POINT },
-#define CPP_CPU_SPEC \
- "%(cpp_cpu_default_spec)"
-
-
#undef TARGET_VERSION
-#if TARGET_DEFAULT & MASK_68020
-#define TARGET_VERSION fprintf (stderr, " (NetBSD/m68k ELF)");
-#define CPP_CPU_DEFAULT_SPEC "%{!m680*:-D__mc68020__}"
-#define ASM_DEFAULT_SPEC "%{!m680*:-m68020}"
-#else
-#define TARGET_VERSION fprintf (stderr, " (NetBSD/68010 ELF)");
-#define CPP_CPU_DEFAULT_SPEC "%{!m680*:-D__mc68010__}"
-#define ASM_DEFAULT_SPEC "%{!m680*:-m68010}"
-#endif
-
-
-#if TARGET_DEFAULT & MASK_68881
-#define CPP_FPU_SPEC "%{!msoft-float:-D__HAVE_68881__ -D__HAVE_FPU__}"
-#else
-#define CPP_FPU_SPEC "%{m68881:-D__HAVE_68881__ -D__HAVE_FPU__}"
-#endif
+#define TARGET_VERSION \
+ fprintf (stderr, \
+ TARGET_68010 \
+ ? " (NetBSD/68010 ELF)" \
+ : " (NetBSD/m68k ELF)");
/* Provide a CPP_SPEC appropriate for NetBSD m68k targets. Currently we
whether or not use of the FPU is allowed. */
#undef CPP_SPEC
-#define CPP_SPEC \
- "%(netbsd_cpp_spec) %(cpp_cpu_spec) %(cpp_fpu_spec)"
+#define CPP_SPEC NETBSD_CPP_SPEC
/* Provide an ASM_SPEC appropriate for NetBSD m68k ELF targets. We pass
#undef ASM_SPEC
#define ASM_SPEC \
- "%(asm_default_spec) \
- %{m68010} %{m68020} %{m68030} %{m68040} %{m68060} \
- %{fpic|fpie:-k} %{fPIC|fPIE:-k -K}"
+ "%{m68010} %{m68020} %{m68030} %{m68040} %{m68060} \
+ %{fpic|fpie:-k} %{fPIC|fPIE:-k -K}"
#define AS_NEEDS_DASH_FOR_PIPED_INPUT
@item --with-cpu=@var{cpu}
Specify which cpu variant the compiler should generate code for by default.
@var{cpu} will be used as the default value of the @option{-mcpu=} switch.
-This option is only supported on some targets, including ARM, i386, PowerPC,
-and SPARC@.
+This option is only supported on some targets, including ARM, i386, M68k,
+PowerPC, and SPARC@.
@item --with-schedule=@var{cpu}
@itemx --with-arch=@var{cpu}
@html
<hr />
@end html
+@heading @anchor{m68k-*-*}m68k-*-*
+You can specify a default target using @option{--with-cpu=@var{target}}.
+The recognized values for @var{target} are: @samp{m68000}, @samp{m68010},
+@samp{m68020}, @samp{m68030}, @samp{m68040}, @samp{m68060}, @samp{m68020-40}
+and @samp{m68020-60}.
+
@heading @anchor{m68k-hp-hpux}m68k-hp-hpux
HP 9000 series 300 or 400 running HP-UX@. HP-UX version 8.0 has a bug in
the assembler that prevents compilation of GCC@. This
projects / platform / upstream / gcc.git / commitdiff