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Re: Suffix for __float128 FP constants
- From: Steve Ellcey <sje at cup dot hp dot com>
- To: ubizjak at gmail dot com
- Cc: joseph at codesourcery dot com, gcc at gcc dot gnu dot org
- Date: Mon, 18 Jun 2007 11:10:43 -0700 (PDT)
- Subject: Re: Suffix for __float128 FP constants
> BTW: IA64 has the same issues with two FP types (long double XFmode and
> "longer double" TFmode). How is this solved for IA64?
>
> Uros.
This is different on IA64 HP-UX and IA64 Linux. On HP-UX, 128 bits is
the standard long double and 80 bits is __float80. We use the 'W'
suffix for a __float80 constant on HP-UX. HP-UX also uses a lower case
'w' in math names for functions (e.g. sqrtw) for __float80 functions.
Since __float128 == long double on HP-UX we can just use 'L' and 'l' for
those.
None of which helps on Linux.
Steve Ellcey
sje@cup.hp.com