[flac-dev] Two questions about RG in flac

lvqcl lvqcl.mail at gmail.com
Fri Jun 6 07:57:43 PDT 2014

Robert Kausch wrote:

> The problem seems to be that sum is interpreted as a 64 bit value if
> SSE2 was used in the loop (the lower 32 bits of the result give the
> expected value). If sum is evaluated another time before or after (!)
> the printf, the problem goes away. For example, changing the last line
> to "return sum + 1;" lets the problem disappear.
> I confirmed the bug with GCC 4.6.3 on Ubuntu. As on Windows, only 32 bit
> code generation is affected.

Thank you for testing.

> You should file a bug report with the GCC team.

Done: https://gcc.gnu.org/bugzilla/show_bug.cgi?id=61423

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