On 03/02/2018 08:04 AM, Jakub Jelinek wrote:
> Hi!
>
> GCC predefines __SIZEOF_*__ macros for the types it provides, so that
> 1) one can easily test if those types are available
> 2) can use it even in places where sizeof is not usable, like preprocessor
> conditionals
> Unfortunately, this isn't done for target types that the middle-end doesn't
> know about. On x86 __SIZEOF_FLOAT128__=16 and __SIZEOF_FLOAT80__={16,12}
> are already predefined. For consistency and above reasons it would be nice
> to do the same on ia64, hppa and powerpc* too.
>
> Tested with a cross to ia64 on the testcase, ok for trunk?
>
> 2018-03-02 Jakub Jelinek <ja...@redhat.com>
>
> PR target/56540
> * config/ia64/ia64.h (TARGET_CPU_CPP_BUILTINS): Predefine
> __SIZEOF_{FPREG,FLOAT{80,128}}__ macros.
>
> * gcc.target/ia64/pr56540.c: New test.
OK.
jeff
