diff options
| author | Kevin Ryde <user42@zip.com.au> | 2003-08-19 01:59:30 +0200 |
|---|---|---|
| committer | Kevin Ryde <user42@zip.com.au> | 2003-08-19 01:59:30 +0200 |
| commit | 399a0443f82ba01d4265ad0aefe81cbb69b3e158 (patch) | |
| tree | aee50c072a66041c39298f95cc9637d0107b179b /longlong.h | |
| parent | 1b9274691d8bf98028496754e684fc70b8285e63 (diff) | |
| download | gmp-399a0443f82ba01d4265ad0aefe81cbb69b3e158.tar.gz | |
* longlong.h (count_leading_zeros) [__mcpu32__]: Check __mcpu32__ to
avoid bfffo on GCC 3.4 in CPU32 mode. Reported by Bernardo Innocenti.
Diffstat (limited to 'longlong.h')
| -rw-r--r-- | longlong.h | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/longlong.h b/longlong.h index 7764e0d8d..af18697a6 100644 --- a/longlong.h +++ b/longlong.h @@ -839,12 +839,15 @@ extern UWtype __MPN(udiv_qrnnd) _PROTO ((UWtype *, UWtype, UWtype, UWtype)); #define UMUL_TIME 100 #define UDIV_TIME 400 #endif /* not mc68020 */ -/* The '020, '030, '040 and '060 have bitfield insns. */ -#if defined (__mc68020__) || defined (mc68020) \ +/* The '020, '030, '040 and '060 have bitfield insns. + GCC 3.4 defines __mc68020__ when in CPU32 mode, check for __mcpu32__ to + exclude bfffo on that chip (bitfield insns not available). */ +#if (defined (__mc68020__) || defined (mc68020) \ || defined (__mc68030__) || defined (mc68030) \ || defined (__mc68040__) || defined (mc68040) \ || defined (__mc68060__) || defined (mc68060) \ - || defined (__NeXT__) + || defined (__NeXT__)) \ + && ! defined (__mcpu32__) #define count_leading_zeros(count, x) \ __asm__ ("bfffo %1{%b2:%b2},%0" \ : "=d" ((USItype) (count)) \ |