target-ppc: Fix Floating Point Move Instructions That Set CR1

target-ppc: Fix Floating Point Move Instructions That Set CR1

The Floating Point Move instructions (fmr., fabs., fnabs., fneg.,
and fcpsgn.) incorrectly copy FPSCR[FPCC] instead of [FX,FEX,VX,OX].
Furthermore, the current code does this via a call to gen_compute_fprf,
which is awkward since these instructions do not actually set FPRF.

Change the code to use the gen_set_cr1_from_fpscr utility.

Signed-off-by: Tom Musta <tommusta@gmail.com>
[agraf: whitespace fixes]
Signed-off-by: Alexander Graf <agraf@suse.de>