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config.gcc, linux.h: Implement with-cpu for m68k-linux.

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* config.gcc, config/m68k/linux.h: Implement with-cpu for m68k-linux.
	* longlong.h: Make code 68060 clean when compiling for m68060.

From-SVN: r79524
This commit is contained in:
Richard Zidlicky 2004-03-16 04:12:25 +00:00 • committed by Bernardo Innocenti
parent 8ac658b645
commit 3704aae954
4 changed files with 62 additions and 6 deletions
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5
gcc/ChangeLog
View file

@ -1,3 +1,8 @@
2004-03-16 Richard Zidlicky <rz@linux-m68k.org>
* config.gcc, config/m68k/linux.h: Implement with-cpu for m68k-linux.
* longlong.h: Make code 68060 clean when compiling for m68060.
2004-03-16 Richard Zidlicky <rz@linux-m68k.org>
* config/m68k/m68k.md: Fix constraints for bitfield instructions.

45
gcc/config.gcc
View file

@ -2302,6 +2302,20 @@ fi
esac
;;
m68k*-linux*)
supported_defaults="cpu"
case "$with_cpu" in
"" | "m68020" | "m68030" | "m68040" | "m68060" | "m68020-40" | "m68020-60")
# OK
;;
*)
echo "Unknown CPU used in --with-cpu=$with_cpu, known values:" 1>&2
echo "m68020 m68030 m68040 m68060 m68020-40 m68020-60" 1>&2
exit 1
;;
esac
;;
hppa*-*-* | parisc*-*-*)
supported_defaults="arch schedule"
@ -2494,6 +2508,37 @@ fi
esac
;;
m68k*-linux*)
case "x$with_cpu" in
x)
# The most generic
target_cpu_default2="(MASK_68020|MASK_68881|MASK_BITFIELD)"
;;
xm68020)
target_cpu_default2="(MASK_68020|MASK_68881|MASK_BITFIELD)"
;;
xm68030)
target_cpu_default2="(MASK_68030|MASK_68020|MASK_68881|MASK_BITFIELD)"
;;
xm68040)
target_cpu_default2="(MASK_68040|MASK_68040_ONLY|MASK_68020|MASK_68881|MASK_BITFIELD)"
;;
xm68060)
target_cpu_default2="(MASK_68060|MASK_68040_ONLY|MASK_68020|MASK_68881|MASK_BITFIELD)"
;;
xm68020-40)
target_cpu_default2="(MASK_BITFIELD|MASK_68881|MASK_68020|MASK_68040)"
;;
xm68020-60)
target_cpu_default2="(MASK_BITFIELD|MASK_68881|MASK_68020|MASK_68040|MASK_68060)"
;;
*)
echo "Unknown CPU used in --with-cpu=$with_cpu" 1>&2
exit 1
;;
esac
;;
hppa*-*-* | parisc*-*-*)
if test x$gas = xyes
then

8
gcc/config/m68k/linux.h
View file

@ -23,8 +23,14 @@ Boston, MA 02111-1307, USA. */
#undef TARGET_VERSION
#define TARGET_VERSION fprintf (stderr, " (68k GNU/Linux with ELF)");
/* 68020 with 68881 */
/* 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_68020)
#endif
/* for 68k machines this only needs to be TRUE for the 68000 */

10
gcc/longlong.h
View file

@ -415,7 +415,7 @@ UDItype __umulsidi3 (USItype, USItype);
"g" ((USItype) (bl)))
/* The '020, '030, '040, '060 and CPU32 have 32x32->64 and 64/32->32q-32r. */
#if defined (__mc68020__)
#if (defined (__mc68020__) && !defined (__mc68060__))
#define umul_ppmm(w1, w0, u, v) \
__asm__ ("mulu%.l %3,%1:%0" \
: "=d" ((USItype) (w0)), \
@ -439,8 +439,8 @@ UDItype __umulsidi3 (USItype, USItype);
"1" ((USItype) (n1)), \
"dmi" ((USItype) (d)))
#else /* not mc68020 */
#if defined(__mcoldfire__)
#elif defined (__mcoldfire__) /* not mc68020 */
#define umul_ppmm(xh, xl, a, b) \
__asm__ ("| Inlined umul_ppmm\n" \
" move%.l %2,%/d0\n" \
@ -511,12 +511,12 @@ UDItype __umulsidi3 (USItype, USItype);
: "d0", "d1", "d2", "d3", "d4")
#define UMUL_TIME 100
#define UDIV_TIME 400
#endif /* not ColdFire */
#endif /* not mc68020 */
/* The '020, '030, '040 and '060 have bitfield insns.
cpu32 disguises as a 68020, but lacks them. */
#if defined (__mc68020__) && !defined(__mcpu32__)
#if defined (__mc68020__) && !defined (__mcpu32__)
#define count_leading_zeros(count, x) \
__asm__ ("bfffo %1{%b2:%b2},%0" \
: "=d" ((USItype) (count)) \