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Re: QFmode float support missing from optabs?

From: Michael Hayes <m dot hayes at elec dot canterbury dot ac dot nz>
To: Alan Lehotsky <apl at alum dot mit dot edu>
Cc: Richard Henderson <rth at redhat dot com>, gcc at gcc dot gnu dot org
Date: Thu, 21 Feb 2002 17:43:07 +1300
Subject: Re: QFmode float support missing from optabs?
References: <p04330103b8997e4826d1@[192.168.1.254]> <20020220141029.D18357@redhat.com> <p0433010eb899d2ec09ba@[192.168.1.254]>

Alan Lehotsky writes:
 > 
 > I think it's partly that c4x is using HFmode (two 32 bit
 > bytes), and partly because they've got define_expands for most of
 > the QF mode things.  Including doing libcalls directly in the
 > backend. Maybe Michael Hayes will chime in on this?

No, we use QFmode for floats/doubles and HFmode for long double.

Expanders are used for most patterns to ensure that the operand
combinations are valid.

Michael.

References:
- QFmode float support missing from optabs?
  - From: Alan Lehotsky
- Re: QFmode float support missing from optabs?
  - From: Richard Henderson
- Re: QFmode float support missing from optabs?
  - From: Alan Lehotsky

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