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Re: [PATCH] Constant fold 0 >> x.

From: Richard Henderson <rth at redhat dot com>
To: Roger Sayle <roger at eyesopen dot com>
Cc: gcc-patches at gcc dot gnu dot org
Date: Mon, 7 Oct 2002 23:08:28 -0700
Subject: Re: [PATCH] Constant fold 0 >> x.
References: <Pine.LNX.4.33.0210072033570.31760-100000@www.eyesopen.com>

On Mon, Oct 07, 2002 at 09:26:22PM -0600, Roger Sayle wrote:
> 	* fold-const.c (fold) [LROTATE_EXPR, RROTATE_EXPR]: Optimize
> 	left and right rotates of ~0, i.e. integer_all_onesp (arg0).
> 	[LSHIFT_EXPR, RSHIFT_EXPR]: Optimize shifts and rotates of zero.

Ok.


r~

References:
- [PATCH] Constant fold 0 >> x.
  - From: Roger Sayle

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