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author | Mike Frysinger <vapier@gentoo.org> | 2011-06-18 20:04:32 +0000 |
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committer | Mike Frysinger <vapier@gentoo.org> | 2011-06-18 20:04:32 +0000 |
commit | 388aa9fe20b5692d76ca36c61619bdb887d174b0 (patch) | |
tree | a032de16503cb20bc8a4bd0fcee086e9eded170e /sim/bfin/ChangeLog | |
parent | f2a56d0ad70bc43ea8c56272ea1d5261b2028cb5 (diff) | |
download | binutils-388aa9fe20b5692d76ca36c61619bdb887d174b0.zip binutils-388aa9fe20b5692d76ca36c61619bdb887d174b0.tar.gz binutils-388aa9fe20b5692d76ca36c61619bdb887d174b0.tar.bz2 |
sim: bfin: handle V/VS saturation in dsp mac insns
Some saturation cases with dsp mac insns were not setting the V flag.
So implement that part and split up the logic between the dual macs.
Signed-off-by: Robin Getz <robin.getz@analog.com>
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
Diffstat (limited to 'sim/bfin/ChangeLog')
-rw-r--r-- | sim/bfin/ChangeLog | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/sim/bfin/ChangeLog b/sim/bfin/ChangeLog index 4c3692f..27d38a7 100644 --- a/sim/bfin/ChangeLog +++ b/sim/bfin/ChangeLog @@ -1,5 +1,15 @@ 2011-06-18 Robin Getz <robin.getz@analog.com> + * bfin-sim.c (decode_macfunc): Add nosat_acc to track acc value + before saturation, set sat when more cases saturate, and set the + overflow bit based on these results. For M_TFU, M_IU, M_FU, and + M_W32, change the max values compared against. + (decode_dsp32mac_0): Delete v_i and add v_0 and v_1. Pass v_1 + when processing MAC1 and pass v_0 when processing MAC0. Combine + the results into the V/VS ASTAT bits. + +2011-06-18 Robin Getz <robin.getz@analog.com> + * bfin-sim.c (extract_mult): Call saturate_s32 when MM is set and mmod is M_IU. Call saturate_s16 when MM is set and mmod is M_TFU. |