64 bit doubles and long long for h8300 targets?
Jeffrey A Law
law@cygnus.com
Mon Jun 19 11:03:00 GMT 2000
In message < 20000619131825.C14717@diegeekdie.com >you write:
> Hi.
>
> I would like to add 64 bit doubles and 64 bit long longs to
> the h8300hms targets.
Note this will need to be an option since changing the size of a data
type like that would be an ABI change that would make the current
code incompatible with existing code.
> Adding 64 bit floats seem easy (changing DOUBLE_TYPE_SIZE to 64 and
> adding df-bit.c to the t-h8300 file), but what about about a 64 bit
> DI type? Do I have to make a lot of assembler functions for all the
> standard operators or does GCC have build in RTL versions that make use
> the the existing 16/32 bit types?
GCC will use the routines in libgcc2.c.
jeff
More information about the Gcc
mailing list