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Re: Patch [tree-ssa]: prevent edge probability overflow

From: Richard Henderson <rth at redhat dot com>
To: Dale Johannesen <dalej at apple dot com>, gcc-patches Patches <gcc-patches at gcc dot gnu dot org>
Date: Fri, 27 Feb 2004 14:01:01 -0800
Subject: Re: Patch [tree-ssa]: prevent edge probability overflow
References: <9B04F85E-6961-11D8-8C0E-000A95D7CD40@apple.com> <20040227215452.GB12903@redhat.com>

On Fri, Feb 27, 2004 at 01:54:52PM -0800, Richard Henderson wrote:
> It is *not* obvious.  There are existing places that probabilities
> are manipulated.  You should be frobbing those, not random new places.

Revise that.  No idea why we're doing computation here at all.
We've found a known-taken edge.  There is now *one* outgoing edge.
We can therefore set the probability at 100%.

r~

Follow-Ups:
- Re: Patch [tree-ssa]: prevent edge probability overflow
  - From: Dale Johannesen

References:
- Patch [tree-ssa]: prevent edge probability overflow
  - From: Dale Johannesen
- Re: Patch [tree-ssa]: prevent edge probability overflow
  - From: Richard Henderson

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