Sean McGovern <[email protected]> writes:

> On Sat, Sep 24, 2011 at 9:09 AM, Mans Rullgard <[email protected]> wrote:
>> On 32-bit ppc, the GOT pointer must be loaded manually.
>> This adds a "get_got" assembler macro to compute the
>> GOT address.  The "movrel" macro is updated to take an
>> additional parameter containing the GOT address since
>> no registers is reserved for this purpose on ppc32.
>> These changes have no effect on ppc64 builds.
>>
>> Signed-off-by: Mans Rullgard <[email protected]>
>> ---
>>  libavcodec/ppc/asm.S           |   17 ++++++++++++++---
>>  libavcodec/ppc/fft_altivec_s.S |    7 ++++---
>>  2 files changed, 18 insertions(+), 6 deletions(-)
>
> Cool. This seems to jive with what I was reading last night. I thought
> r2 was supposed to be already set up as the GOT pointer though? This
> code appears to suggest otherwise.

Only on ppc64, as evidenced by the crashing.

-- 
Måns Rullgård
[email protected]
_______________________________________________
libav-devel mailing list
[email protected]
https://lists.libav.org/mailman/listinfo/libav-devel

Reply via email to