This is the mail archive of the gcc@gcc.gnu.org mailing list for the GCC project.

Index Nav: [Date Index] [Subject Index] [Author Index] [Thread Index]
Message Nav: [Date Prev] [Date Next] [Thread Prev] [Thread Next]
Other format: [Raw text]

Re: Ada subtypes and base types

On Tue, 2006-03-21 at 10:14 +0100, Duncan Sands wrote:

> Hi Jeff, on the subject of seeing through typecasts, I was playing around
> with VRP and noticed that the following "if" statement is not eliminated:
> 
> int u (unsigned char c) {
>         int i = c;
> 
>         if (i < 0 || i > 255)
>                 return -1; /* never taken */
>         else
>                 return 0;
> }
> 
> Is it supposed to be?
Fixed thusly.  Bootstrapped and regression tested on i686-pc-linux-gnu.

Attachment: PPP
Description: Text document

Index Nav: [Date Index] [Subject Index] [Author Index] [Thread Index]
Message Nav: [Date Prev] [Date Next] [Thread Prev] [Thread Next]