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Re: G95 Floating point arithmetics without GMP?

From: Richard Henderson <rth at redhat dot com>
To: Steven Bosscher <s dot bosscher at student dot tudelft dot nl>
Cc: Zack Weinberg <zack at codesourcery dot com>, gcc at gcc dot gnu dot org
Date: Wed, 8 May 2002 13:33:43 -0700
Subject: Re: G95 Floating point arithmetics without GMP?
References: <1020883613.750.27.camel@steven> <20020508191500.GG20829@codesourcery.com> <1020888612.759.77.camel@steven>

On Wed, May 08, 2002 at 10:10:11PM +0200, Steven Bosscher wrote:
> If I add POWER_EXPR, I expect we'd need to add support for it in
> the back-end as well? For G95, I wanted to replace it with a libcall.

Well, you'd add support for it in the tree->rtl converter.
You'd do this by initializing an "optab" with the functions
to be called.

And really, this is exactly what you want, since you'd like
POWER_EXPR to survive through the early tree optimizations.

r~

References:
- G95 Floating point arithmetics without GMP?
  - From: Steven Bosscher
- Re: G95 Floating point arithmetics without GMP?
  - From: Zack Weinberg
- Re: G95 Floating point arithmetics without GMP?
  - From: Steven Bosscher

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