Hi,
On Fri, Dec 7, 2012 at 2:08 PM, Måns Rullgård <m...@mansr.com> wrote:
> "Ronald S. Bultje" <rsbul...@gmail.com> writes:
>
>> Hi,
>>
>> On Fri, Dec 7, 2012 at 2:01 PM, Måns Rullgård <m...@mansr.com> wrote:
>>> "Ronald S. Bultje" <rsbul...@gmail.com> writes:
>>>> On Fri, Dec 7, 2012 at 1:01 PM, Måns Rullgård <m...@mansr.com> wrote:
>>>>> "Ronald S. Bultje" <rsbul...@gmail.com> writes:
>>>>>
>>>>>> + %if mmsize <= 16 && HAVE_ALIGNED_STACK
>>>>>
>>>>> How much overhead would it be to drop HAVE_ALIGNED_STACK entirely?
>>>>
>>>> Well, for now, we still have a ton of functions that don't use the
>>>> cglobal-method of allocating stack. I only ported h264/vp8 loopfilter,
>>>> nothing else.
>>>>
>>>> But anyway, more generally, it's 4-5 instructions per function. For
>>>> typical functions with an inner loop, that's negligible, but for a
>>>> select small set of functions, it may be significant.
>>>
>>> The remaining functions are ff_h264_idct8_add(4)_10_{sse2,avx},
>>> ff_hadamard8_diff(16)_{sse2,ssse3}, and something in swscale.
>>
>> lavr also.
>
> There are no references to HAVE_ALIGNED_STACK there.
It crashes on x86-32 icc10.x and msvc.
Ronald
_______________________________________________
libav-devel mailing list
libav-devel@libav.org
https://lists.libav.org/mailman/listinfo/libav-devel
