diff options
Diffstat (limited to 'sim')
| -rw-r--r-- | sim/bfin/ChangeLog | 10 | ||||
| -rw-r--r-- | sim/bfin/bfin-sim.c | 13 |
2 files changed, 6 insertions, 17 deletions
diff --git a/sim/bfin/ChangeLog b/sim/bfin/ChangeLog index 27d38a7..ffd9ff2 100644 --- a/sim/bfin/ChangeLog +++ b/sim/bfin/ChangeLog @@ -1,5 +1,10 @@ 2011-06-18 Robin Getz <robin.getz@analog.com> + * bfin-sim.c (extract_mult): Call saturate_s16 directly when + mmod is M_IH rather than computing the result by hand. + +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 @@ -23,11 +28,6 @@ 2011-06-18 Robin Getz <robin.getz@analog.com> - * bfin-sim.c (extract_mult): When mmod is M_IH, change the order - from round/saturate to saturate/round/saturate. - -2011-06-18 Robin Getz <robin.getz@analog.com> - * bfin-sim.c (saturate_s40_astat): Change ">=" to ">". (decode_macfunc): Likewise when mmod is M_IH. diff --git a/sim/bfin/bfin-sim.c b/sim/bfin/bfin-sim.c index d0ad051..38e5fe1 100644 --- a/sim/bfin/bfin-sim.c +++ b/sim/bfin/bfin-sim.c @@ -1534,19 +1534,8 @@ extract_mult (SIM_CPU *cpu, bu64 res, int mmod, int MM, { case 0: case M_W32: - return saturate_s16 (rnd16 (res), overflow); case M_IH: - { - bu32 sgn = !!(res >> 39); - bu16 val = rnd16 (saturate_s32 (res, overflow)); - bu32 sgn0 = (val >> 15) & 1; - if (sgn == sgn0 || !val) - return val; - if (sgn) - return 0x8000; - *overflow = 1; - return 0x7FFF; - } + return saturate_s16 (rnd16 (res), overflow); case M_IS: return saturate_s16 (res, overflow); case M_FU: |