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Re: possible gcse failure: not able to eliminate redundant loads

From: Richard Henderson <rth at redhat dot com>
To: Toon Moene <toon at moene dot indiv dot nluug dot nl>
Cc: "Sanjiv Kumar Gupta, Noida" <sanjivg at noida dot hcltech dot com>, David Edelsohn <dje at watson dot ibm dot com>, Daniel Berlin <dberlin at dberlin dot org>, Dale Johannesen <dalej at apple dot com>, gcc at gcc dot gnu dot org
Date: Mon, 16 Dec 2002 18:04:41 +0000
Subject: Re: possible gcse failure: not able to eliminate redundant loads
References: <E04CF3F88ACBD5119EFE00508BBB2121061C3264@exch-01.noida.hcltech.com> <20021213093054.GA29293@redhat.com> <3DFA4252.3060309@moene.indiv.nluug.nl>

On Fri, Dec 13, 2002 at 09:25:54PM +0100, Toon Moene wrote:
> Can we disable this notion of loads-that-might-trap from a frontend ?

I don't know.

> I cannot imagine a valid Fortran program that contains an access to
> memory that "might trap".

Yeah, I guess there's really no concept of a null pointer is there...



r~

Follow-Ups:
- Re: possible gcse failure: not able to eliminate redundant loads
  - From: Andrew Haley
- Re: possible gcse failure: not able to eliminate redundant loads
  - From: Toon Moene

References:
- RE: possible gcse failure: not able to eliminate redundant loads
  - From: Sanjiv Kumar Gupta, Noida
- Re: possible gcse failure: not able to eliminate redundant loads
  - From: Richard Henderson
- Re: possible gcse failure: not able to eliminate redundant loads
  - From: Toon Moene

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