[FFmpeg-devel] [PATCH] read_time() for SPARC
Fri Sep 10 10:36:38 CEST 2010
On Fri Sep 10 08:59:27 2010
M?ns Rullg?rd wrote:
>>>> if the only issue left is the sometimes unneeded stx instruction
>>>> then i approve the patch with this. If there are other issues they
>>>> of course have to be fixed first
>>>Apparently the ifdef test in the patch is not reliable.
>> +#ifndef AVUTIL_SPARC_TIMER_H
>> +#define AVUTIL_SPARC_TIMER_H
>> +#if defined(__arch64__) || defined(__sparc_v9__)
>I'm still not convinced this is right:
There is an issue with -m32 on Solaris.
>$ sparc-unknown-linux-gnu-gcc -m32 -mcpu=v9 -mno-v8plus -dM -E -xc /dev/null | grep -E 'arch|sparc'
>#define sparc 1
>#define __sparc__ 1
>#define __sparc 1
>#define __sparc_v9__ 1
This is as right as xor rax,rax in an i386 binary built with -march=core2.
More information about the ffmpeg-devel