[PATCH, ARM] Avoid element-order-dependent operations for quad-word vectors in big-endian mode for NEON

[Joseph S. Myers]

On Thu, 9 Dec 2010, Julian Brown wrote:

> Unfortunately for C only, since building C++ was broken at the time I
> started testing. Some tests fail to vectorize post-patch in BE mode
> (predictably, since fewer things end up vectorizable), but many
> execution tests transition from FAIL to PASS.

Do any tests (scan, not execution) now fail for big endian in ways that 
indicate some of the check_effective_target_vect_* functions in 
target-supports.exp should be updated to know that certain features are 
only supported for little endian?

-- 
Joseph S. Myers
joseph@codesourcery.com