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sim: bfin: handle saturation with fract multiplications

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The saturation behavior with fract modes differs from non-fract modes.

Signed-off-by: Robin Getz <robin.getz@analog.com>
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
This commit is contained in:
Mike Frysinger 2011-03-15 20:04:04 +00:00
parent f3df5b084e
commit c9329594d4
2 changed files with 6 additions and 0 deletions
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4
sim/bfin/ChangeLog
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@ -1,3 +1,7 @@
2010-03-15 Robin Getz <robin.getz@analog.com>
* bfin-sim.c (extract_mult): Handle M_IU.
2011-03-05 Mike Frysinger <vapier@gentoo.org>
* Makefile.in, TODO, aclocal.m4, bfin-sim.c, bfin-sim.h,

2
sim/bfin/bfin-sim.c
View file

@ -1479,6 +1479,8 @@ extract_mult (SIM_CPU *cpu, bu64 res, int mmod, int MM,
case 0:
case M_IS:
return saturate_s32 (res, overflow);
case M_IU:
return saturate_u32 (res, overflow);
case M_FU:
if (MM)
return saturate_s32 (res, overflow);