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Re: [PATCH] Improved SAVE_EXPR handling in operand_equal_p.

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: Wed, 3 Sep 2003 13:25:23 -0700
Subject: Re: [PATCH] Improved SAVE_EXPR handling in operand_equal_p.
References: <20030903184402.GH6487@redhat.com> <Pine.LNX.4.44.0309031327540.30266-100000@www.eyesopen.com>

> Its important to remember that operand_equal_p is only ever used
> to compare two operands within the same expression, typically only
> within the same operator.

Yes, but is it guaranteed that both SAVE_EXPRs originate from 
the same expression?  I don't think that's necessarily true.


r~

Follow-Ups:
- Re: [PATCH] Improved SAVE_EXPR handling in operand_equal_p.
  - From: Roger Sayle

References:
- Re: [PATCH] Improved SAVE_EXPR handling in operand_equal_p.
  - From: Richard Henderson
- Re: [PATCH] Improved SAVE_EXPR handling in operand_equal_p.
  - From: Roger Sayle

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