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Re: Amusing bad code generation for ARM

From: Tobias RingstrÃm <tobias at ringis dot se>
To: Ian Lance Taylor <iant at google dot com>
Cc: gcc-help at gcc dot gnu dot org
Date: Wed, 21 Apr 2010 19:56:47 +0200
Subject: Re: Amusing bad code generation for ARM
References: <4BCDB6B6.6010809@ringis.se> <mcr7ho0yhuc.fsf@dhcp-172-17-9-151.mtv.corp.google.com>

On 2010-04-21 16:56, Ian Lance Taylor wrote:

This is presumably happening because of the volatile declarations.

I suspected as much. Are there other ways to access hardware registers in C that does not cause GCC to generate such inefficient code?

/Tobias

References:
- Amusing bad code generation for ARM
  - From: Tobias RingstrÃm
- Re: Amusing bad code generation for ARM
  - From: Ian Lance Taylor

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