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Aliasing problem in ip_input.c with GCC 4.6 on PowerPC?
- Date: Wed, 25 May 2011 10:14:36 -0500
- From: strauman at slac.stanford.edu (Till Straumann)
- Subject: Aliasing problem in ip_input.c with GCC 4.6 on PowerPC?
Is it our old friend in_cksum_hdr() ?
On 05/25/2011 06:28 AM, Sebastian Huber wrote:
> experienced someone network problems with GCC 4.6 on PowerPC? I have a test
> application that works fine with ip_input.c compiled with "-O2
> -fno-strict-aliasing" and fails with "-O2 -fstrict-aliasing". Unfortunately
> the difference between the two generated assembler files is quite huge. The
> option -Wstrict-aliasing=1 yields no warnings.
> Have a nice day!