Add test cases for {S,U}CVTF fixedpt-to-fp.


git-svn-id: svn://svn.valgrind.org/valgrind/trunk@14738 a5019735-40e9-0310-863c-91ae7b9d1cf9
Update mysteriously out-of-date fp_and_simd.stdout.exp.


git-svn-id: svn://svn.valgrind.org/valgrind/trunk@14739 a5019735-40e9-0310-863c-91ae7b9d1cf9
isBogusAtom: handle missing case Ico_F32.


git-svn-id: svn://svn.valgrind.org/valgrind/trunk@14740 a5019735-40e9-0310-863c-91ae7b9d1cf9