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Re: How to get signedness from rtx?

From: "Mohamed Shafi" <shafitvm at gmail dot com>
To: "Eric Botcazou" <ebotcazou at libertysurf dot fr>
Cc: gcc at gcc dot gnu dot org
Date: Sat, 5 Jul 2008 14:51:49 +0530
Subject: Re: How to get signedness from rtx?
References: <ba0bd44d0807050147v484e7b52ie1a3a81c9d9b33ee@mail.gmail.com> <200807051108.36265.ebotcazou@libertysurf.fr>

2008/7/5 Eric Botcazou <ebotcazou@libertysurf.fr>:
>> Is there a way to know whether an operand is signed or unsigned from its
>> rtx?
>
> Basically no, this information is not encoded in the operand, rather in the
> operator (if it matters).
>
> --
   Ok, my problem is that for some processing during comparison i need
to know whether is the char operand is signed or unsigned. So i guess
i can get this looking at what type of comparison is. But if the
comparison code is EQ or NE will i be able to get the information?

Shafi

Follow-Ups:
- Re: How to get signedness from rtx?
  - From: Eric Botcazou

References:
- How to get signedness from rtx?
  - From: Mohamed Shafi
- Re: How to get signedness from rtx?
  - From: Eric Botcazou

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