altivec backend broken on ppc64le
I came across this after the most recent release was merged in my distro, when something calls into orc with the altivec support enabled, it crashes with something like this:
Thread 65 "task3" received signal SIGILL, Illegal instruction.
[Switching to Thread 0x7ffeab7ef070 (LWP 80434)]
0x00007fff54560004 in ?? ()
(gdb) bt
#0 0x00007fff54560004 in ()
#1 0x00007fff9001583c in orc_memset (d1=0x7ffe9c037800, p1=<optimized out>, n=<optimized out>) at ../orc/orcfunctions.c:321
#2 0x00007fff901b4270 in gst_audio_format_fill_silence () at /usr/lib/libgstaudio-1.0.so.0
#3 0x00007fff901cd2c8 in gst_audio_ring_buffer_acquire () at /usr/lib/libgstaudio-1.0.so.0This is on POWER8 little endian.