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fp-bit.c (unpack_d): Handle pair of doubles with different signs correctly. 

* config/fp-bit.c (unpack_d): Handle pair of doubles with
different signs correctly.

From-SVN: r65405
This commit is contained in:
Alexandre Oliva 2003-04-09 19:30:29 +00:00 committed by Alexandre Oliva
parent d1c9693eeb
commit 9c951124f3
2 changed files with 10 additions and 1 deletions
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5
gcc/ChangeLog
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@ -1,3 +1,8 @@
2003-04-09 Alexandre Oliva <aoliva@redhat.com>
* config/fp-bit.c (unpack_d): Handle pair of doubles with
different signs correctly.
2003-04-09 Vladimir Makarov <vmakarov@redhat.com>
* sched-deps.c (reg_pending_barrier_mode): New enumeration.

6
gcc/config/fp-bit.c
View File

@ -459,6 +459,7 @@ unpack_d (FLO_union_type * src, fp_number_type * dst)
if (exp != EXPMAX && exp != 0 && low != 0)
{
int lowexp = ((int)(low >> HALFFRACBITS)) & ((1 << EXPBITS) - 1);
int lowsign = ((int)(low >> (((HALFFRACBITS + EXPBITS))))) & 1;
int shift;
fractype xlow;
@ -472,7 +473,10 @@ unpack_d (FLO_union_type * src, fp_number_type * dst)
xlow <<= shift;
else if (shift < 0)
xlow >>= -shift;
fraction += xlow;
if (sign == lowsign)
fraction += xlow;
else
fraction -= xlow;
}
}
# else