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Re: [PATCH] Jump bypassing and improved constant propagation

From: Richard Henderson <rth at redhat dot com>
To: Jan Hubicka <jh at suse dot cz>
Cc: Roger Sayle <roger at eyesopen dot com>, gcc-patches at gcc dot gnu dot org
Date: Mon, 27 May 2002 23:14:59 -0700
Subject: Re: [PATCH] Jump bypassing and improved constant propagation
References: <20020526184157.A1953@redhat.com> <Pine.LNX.4.33.0205262100100.24123-100000@www.eyesopen.com> <20020526223841.A31867@redhat.com> <20020527071429.GG1146@atrey.karlin.mff.cuni.cz>

On Mon, May 27, 2002 at 09:14:29AM +0200, Jan Hubicka wrote:
> If I understand this correctly, it handles cases like
> 
> if (a==5)
>   something
> if (a==6)
>   something else

Yes.

> Jump threading don't, but jump threading handles
> 
> if (a>b)
>   something
> if (a<=b)
>   something else...

Ah, right.  Nevermind.


r~

References:
- Re: [PATCH] Jump bypassing and improved constant propagation
  - From: Richard Henderson
- Re: [PATCH] Jump bypassing and improved constant propagation
  - From: Roger Sayle
- Re: [PATCH] Jump bypassing and improved constant propagation
  - From: Richard Henderson
- Re: [PATCH] Jump bypassing and improved constant propagation
  - From: Jan Hubicka

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