#3649: Solaris Intel static libraries required AMD 3D NOW even though the CPU
doesn't support
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Reporter: bmitchel | Type: defect
Status: new | Priority: minor
Component: avutil | Version: 2.2.1
Keywords: solaris intel | Blocked By:
Blocking: | Reproduced by developer: 0
Analyzed by developer: 0 |
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Summary of the bug:
Static lib compiled on Solaris Intel compiles in AMD3DNOW CPU instructions
even though the configure explicitly doesn't find a CPU capable of the
instructions. Dynamic libraries are fine however (which I am unsure of
why).
How to reproduce:
{{{
Compile libavutil as a static lib on Solaris Intel with SSE extensions.
Link in libavutil etc to a simple main with the avcodec register init
functions.
Run file <output> on the binary to show the required CPU extensions.
Note, I ended up putting a #ifdef around the explicit AMD 3D NOW code in
x86/float_dsp_init.c around the INLINE_AMD3DNOWEXT() stuff and the
function vector_fmul_window_3dnowext.
}}}
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Ticket URL: <https://trac.ffmpeg.org/ticket/3649>
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