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Bug#289002: marked as done (gcc-3.3: assignment of 64-bit constant (0x100000000) to unsigned long always fails)



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and subject line Bug#289002: gcc-3.3: assignment of 64-bit constant (0x100000000) to unsigned long always fails
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From: Luke Kenneth Casson Leighton <lkcl@lkcl.net>
To: Debian Bug Tracking System <submit@bugs.debian.org>
Subject: gcc-3.3: assignment of 64-bit constant (0x100000000) to unsigned long always
 fails
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Package: gcc-3.3
Version: 1:3.3.4-11
Severity: normal



-- System Information:
Debian Release: testing/unstable
Architecture: i386
Kernel: Linux highfield 2.6.9-1-686 #1 Thu Nov 25 03:48:29 EST 2004 i686
Locale: LANG=C, LC_CTYPE=C

math ops  - >> and & - cannot be performed with constants > 32-bit!

#define TEST 0x100000000

unsigned long test = (TEST >> 32);

gives a compile error!


Versions of packages gcc-3.3 depends on:
ii  binutils                    2.15-2       The GNU assembler, linker and bina
ii  cpp-3.3                     1:3.3.4-11   The GNU C preprocessor
ii  gcc-3.3-base                1:3.3.4-11   The GNU Compiler Collection (base 
ii  libc6                       2.3.2.ds1-20 GNU C Library: Shared libraries an
ii  libgcc1                     1:3.5-0pre1  GCC support library

-- no debconf information


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Date: Thu, 06 Jan 2005 22:48:06 +0100
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From: "Falk Hueffner" <falk@debian.org>
To: 289002-done@bugs.debian.org
Subject: Re: Bug#289002: gcc-3.3: assignment of 64-bit constant (0x100000000) to unsigned long always fails
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Luke Kenneth Casson Leighton <lkcl@lkcl.net>, 289002@bugs.debian.org schrieb am 06.01.05 21:52:48:

> > Which is an entirely correct warning, since gcc defaults to the C99
> > standard, which does not have the "long long" type required to
> > represent the constant 0x100000000. Use -std=c99 if you want
> > to avoid this warning.
> 
>  ah!  okay!  thank you.
> 
>  ... but does it behave correctly / as expected?

Yes, it does, there's a '1' in the long for me. So I close this.

Falk




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