Re: Code short circuit

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#4709

From: Thomas Maeder [TeamB]
Date: Wed, 07 Dec 2005 08:26

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" Bruce Salzman" <bruce@nospam.org> writes:

> The following constants are defined in winuser.h:
> #define SC_SIZE         0xF000
> #define SC_MOVE         0xF010
> #define SC_MINIMIZE     0xF020
> #define SC_MAXIMIZE     0xF030
> #define SC_CLOSE        0xF060
>
> When I compile this code, all the case statments are optimized away
> (cmd is a uint passed to a windows message handler):
>
>         switch (cmd & 0xFFF0)
>         {
>             case SC_MAXIMIZE:
>             case SC_RESTORE:
>             case SC_MINIMIZE:
>             case SC_MOVE:
>             case SC_SIZE:
>                  return;
>             default:
>                  break;
>         }

What does "optimized away" mean?

Please post a complete, but minimal (<50 lines) program that
demonstrates what you are doing, along with a description of how you
expect the program to behave and how it effectively does.

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Newsgroups: borland.public.cppbuilder.nativeapi
Subject: Re: Code short circuit
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From: maeder@glue.ch (Thomas Maeder [TeamB])
Organization: TeamB
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