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Re: In GAS, determine whether an expressionS is a constant ?

From: Jan Beulich <jbeulich at suse dot com>
To: William Tambe <tambewilliam at gmail dot com>
Cc: binutils at sourceware dot org
Date: Thu, 10 Oct 2019 10:11:33 +0200
Subject: Re: In GAS, determine whether an expressionS is a constant ?
References: <CAF8i9mMFgKT-bBozXhz2zwS0kM-FtuNhdd_rzf6MOWyxY83chQ@mail.gmail.com>

On 10.10.2019 09:16, William Tambe wrote:
> In the GAS codebase, is it possible to determine whether an
> expressionS is a constant ?
> 
> I would like to be able to determine whether parse_exp_save_ilb() has
> parsed a constant, and if it is a constant, extract its value from the
> expressionS.

->X_op would be set to O_constant in such a case. There are numerous
examples throughout the code base, so I have to admit I find the
question a little puzzling.

Jan

References:
- In GAS, determine whether an expressionS is a constant ?
  - From: William Tambe

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