Hi all,

This patch adds handling of the FLOAT and UNSIGNED_FLOAT cases in rtx costs that map down to
the scvtf and ucvtf instructions respectively. We use the fromint cost field for them.

Tested on aarch64-none-elf.

Ok for trunk?

Thanks,
Kyrill

2015-05-01  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>

     * config/aarch64/aarch64.c (aarch64_rtx_costs): Handle FLOAT and
     UNSIGNED_FLOAT.