[FFmpeg-devel] ffmpeg on SH4
Mon Dec 10 13:21:05 CET 2007
Luca Barbato wrote:
> Tamas Selmeci wrote:
>> Diego Biurrun wrote:
>>> Please send us the patch.
>> Included as inline.
> Mangled a bit.
>>> For the rest of the problems, please ask on the ffmpeg-user, it is
>>> offtopic here.
>> OK. But now the -fno-strict-aliasing seems to solve the problem...
> Hmm, has sh4 strict alignment requirements?
Yes, it does, but that's not what this is about. Strict aliasing is
about doing things like float f; int i = *(int*)&f; which is not
allowed by the C standard, and will sometimes result in incorrect
code. GCC will issue a warning whenever there's a risk of this
It should be noted that the STi7109 is a Super-H, not SH-4. The
architectures are similar in concept, but there are significant
mans at mansr.com
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