[FFmpeg-devel] [PATCH] x86: use raw opcode for xgetbv instruction

Jai Menon jmenon86
Sun Feb 20 17:20:31 CET 2011

2011/2/20 M?ns Rullg?rd <mans at mansr.com>:
> Luca Barbato <lu_zero at gentoo.org> writes:
>> On 02/20/2011 03:39 PM, Mans Rullgard wrote:
>>> This allows the CPU detection to work with assemblers not supporting
>>> the xgetbv mnemonic. ?These include clang and some BSD versions.
>>> All AVX code will be written for yasm, where the main assembler
>>> is not involved.


> BTW, there is an open clang bug on this already.


Jai Menon

More information about the ffmpeg-devel mailing list