Here are my results for Perl 5.16.3.1 64 bit, running on Windows 7 64 bit:
>perl -V:.*size
d_chsize='define';
d_malloc_good_size='undef';
d_malloc_size='undef';
doublesize='8';
fpossize='8';
gidsize='4';
i16size='2';
i32size='4';
i64size='8';
i8size='1';
intsize='4';
ivsize='8';
longdblsize='12';
longlongsize='8';
longsize='4';
lseeksize='8';
nvsize='8';
ptrsize='8';
shortsize='2';
sig_size='27';
sizesize='8';
st_ino_size='8';
u16size='2';
u32size='4';
u64size='8';
u8size='1';
uidsize='4';
uvsize='8';