Hello,

  This patch fixed bugs in MIPS32 DSP rounding instructions.
Test with mipsisa32-elf and mipsisa64-elf.

  Is it ok to check in?  Thanks a lot!

Regards,
Chao-ying

src/sim/mips/ChangeLog
2006-05-09  Chao-ying Fu  <fu@mips.com>

        dsp.igen (do_ph_shift, do_w_shra): Fix bugs for rounding
instructions.

src/sim/testsuite/sim/mips/ChangeLog
2006-05-09  Chao-ying Fu  <fu@mips.com>

       * mips32-dsp.s: Add some tests for shra_r.ph, shrav_r.ph, shra_r.w,
       shrav_r.w.