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Re: TF type (quad float) not implemented?
- To: Richard Henderson <rth at cygnus dot com>
- Subject: Re: TF type (quad float) not implemented?
- From: Jeffrey A Law <law at cygnus dot com>
- Date: Thu, 15 Jun 2000 08:29:43 -0600
- cc: Dylan_S_Cuthbert at hq dot scei dot sony dot co dot jp, gcc at gcc dot gnu dot org
- Reply-To: law at cygnus dot com
In message <20000615072820.A13135@cygnus.com>you write:
> On Thu, Jun 15, 2000 at 07:39:52PM +0900,
> Dylan_S_Cuthbert@hq.scei.sony.co.jp wrote:
> >
> > Whilst trying to implement a TFtype using just the machine description I
> > discovered that the TF type is documented but not actually implemented
> > within the gcc main source.
>
> Err.. what exactly lead you to this conclusion? Several targets
> make use of TFmode (alpha-osf5, sparc, sparc64). However, not all
> targets want to use TFmode, and so don't.
HPPA too, though we punt everything to libcalls since hardware traps if
you issue a quadword FP instruction.
jeff