On 22 September 2012 04:29, Christophe Lyon wrote:
> == Progress ==
> * Discussed big-endian patches for vext tests: careful review of the
> specification is required and this patch might actually expose GCC
> bugs in big-endian/Neon.
>
> * builtin_bswap16:
> * Posted 2 implementations of the generic patch for
> (x<<8)|(x>>8). The 2nd one looks OK, but I was asked to make some
> checks on powerPC, which are on-going.
Matthias and Ulrich are my go-to guys for PowerPC if you need help.
> * backporting it to Linaro/4.7. On-going: merged obvious patches but
> one test does not produce the same code as on trunk.
>
> * validations in cbuild in with GCC configured for thumb and hard FP
> showed that some bswap16 tests fail because they force armv6,
> which leads to unsupported thumb1 configuration. Proposed
> testsuite modification to make this easier, under discussion with
> Matt & Richard.
>
> == Next ==
> * builtin_bswap16:
> * check powerPC results and have the patch accepted upstream.
> * measure probable regression in libav when using the builtin
> instead of an asm().
I've added this to today's agenda.
-- Michael
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