[FFmpeg-devel] [PATCH] add cflags filtering rules for suncc

Michael Kostylev michael.kostylev
Mon Nov 2 09:50:27 CET 2009


On Sat Oct 31 20:11:16 2009
M?ns Rullg?rd wrote:

>>> The bugs should be tracked down and fixed or worked around.  Disabling
>>> optimisations is a bad idea (except for the gcc vectoriser, which will
>>> never be of any use).
>>
>> I thought that O2 is better than nothing and slightly better than O1.
>> Currently, non-working O3 requires some hackery with the options like 
>> --disable-optimizations --extra-cflags='-O2 -xregs=frameptr' or
>> --enable-small --disable-optimizations --extra-cflags='-O2 -xspace -xregs=frameptr'
> 
> But _why_ does -O[1-5] not work?  We should make sure the bug isn't in
> our code.

After all, libpostproc is an option, so it is safe enough to use -O5 
by default.

Michael
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