[FFmpeg-devel] [PATCH]Only set attribute_align_arg for x86_32

Måns Rullgård mans
Sat Jul 3 16:10:48 CEST 2010


Carl Eugen Hoyos <cehoyos at ag.or.at> writes:

> M?ns Rullg?rd <mans <at> mansr.com> writes:
>
>> >  #ifndef attribute_align_arg
>> > -#if (!defined(__ICC) || __ICC > 1110) && AV_GCC_VERSION_AT_LEAST(4,2)
>> > +#if ARCH_X86_32 && (!defined(__ICC) || __ICC > 1110) &&
>  AV_GCC_VERSION_AT_LEAST(4,2)
>> >  #    define attribute_align_arg __attribute__((force_align_arg_pointer))
>> >  #else
>> >  #    define attribute_align_arg
>> 
>> The warning is annoying, but it serves a purpose.
>
> Could you elaborate?

An aligned stack is beneficial on any CPU, not only x86.

-- 
M?ns Rullg?rd
mans at mansr.com



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