gcc 4.6.1 messes up code ?? why

Ian Lance Taylor iant@google.com
Tue Aug 2 14:46:00 GMT 2011


andy_code <andy_code@mailup.net> writes:

> FPGA_UART_DATA is a structure of word size (16bits) where the first char is a
> bit field which gives me information about the status of the uart and its
> buffer and the second char is the actual key press.
>
> I have declared the pointer as volatile and I have declared each element of
> the structure as volatile, it makes no difference. even register makes no
> difference.

You're going to need to show us a complete standalone program which
shows the problem.  You have given us a code fragment and a text
description.  That is not enough.  The details are essential.

Ian



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