* Bug fix for count_leading_zeros
@ 1997-10-16 22:44 Joern Rennecke
0 siblings, 0 replies; only message in thread
From: Joern Rennecke @ 1997-10-16 22:44 UTC (permalink / raw)
To: Richard Kenner, egcs, Torbjorn Granlund
count_leading_zeros in longlong.h shifts integer values by
a shift count of up to 24. This causes problems for hosts with 16 bit
ints. Here is a fix:
Fri Oct 17 02:44:16 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
* (count_leading_zeros): Add missing casts to USItype.
Index: longlong.h
===================================================================
RCS file: /cvs/cvsfiles/egcs/gcc/longlong.h,v
retrieving revision 1.2
diff -p -r1.2 longlong.h
*** longlong.h 1997/09/10 07:50:20 1.2
--- longlong.h 1997/10/17 05:35:14
*************** extern const UQItype __clz_tab[];
*** 1236,1244 ****
\
if (SI_TYPE_SIZE <= 32) \
{ \
! __a = __xr < (1<<2*__BITS4) \
! ? (__xr < (1<<__BITS4) ? 0 : __BITS4) \
! : (__xr < (1<<3*__BITS4) ? 2*__BITS4 : 3*__BITS4); \
} \
else \
{ \
--- 1236,1244 ----
\
if (SI_TYPE_SIZE <= 32) \
{ \
! __a = __xr < ((USItype)1<<2*__BITS4) \
! ? (__xr < ((USItype)1<<__BITS4) ? 0 : __BITS4) \
! : (__xr < ((USItype)1<<3*__BITS4) ? 2*__BITS4 : 3*__BITS4); \
} \
else \
{ \
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1997-10-16 22:44 Bug fix for count_leading_zeros Joern Rennecke
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