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g++ optimization question

From: "Peng Yu" <pengyu dot ut at gmail dot com>
To: gcc-help at gcc dot gnu dot org
Date: Fri, 28 Sep 2007 20:15:08 -0500
Subject: g++ optimization question

Hi,

Can anybody let me know whether g++ will optimize for the following case?

void f(double d)
  double e;
  ..... do something

  e = d * 1.;// will this be optimized as e = d;
}

Thanks,
Peng

Follow-Ups:
- Re: g++ optimization question
  - From: Richard Li

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