diff --git a/sim/bfin/ChangeLog b/sim/bfin/ChangeLog index 0e37dddc148..62d14bb4fc3 100644 --- a/sim/bfin/ChangeLog +++ b/sim/bfin/ChangeLog @@ -1,3 +1,8 @@ +2011-03-23 Robin Getz <robin.getz@analog.com> + + * bfin-sim.c (decode_dsp32shift_0): Set acc0 to the unextended + value for the VIT_MAX insn, and mask off the result when done. + 2011-03-23 Robin Getz <robin.getz@analog.com> * bfin-sim.c (decode_dsp32alu_0): Set A1 to a1_lo when up_hi is false, diff --git a/sim/bfin/bfin-sim.c b/sim/bfin/bfin-sim.c index 85e281a9d1d..467d7423070 100644 --- a/sim/bfin/bfin-sim.c +++ b/sim/bfin/bfin-sim.c @@ -5425,7 +5425,7 @@ decode_dsp32shift_0 (SIM_CPU *cpu, bu16 iw0, bu16 iw1) } else if ((sop == 0 || sop == 1) && sopcde == 9) { - bs40 acc0 = get_extended_acc (cpu, 0); + bs40 acc0 = get_unextended_acc (cpu, 0); bs16 sL, sH, out; TRACE_INSN (cpu, "R%i.L = VIT_MAX (R%i) (AS%c);", @@ -5435,7 +5435,7 @@ decode_dsp32shift_0 (SIM_CPU *cpu, bu16 iw0, bu16 iw1) sH = DREG (src1) >> 16; if (sop & 1) - acc0 >>= 1; + acc0 = (acc0 & 0xfeffffffffull) >> 1; else acc0 <<= 1;