Hi,

This patch fixes several vectorizer testsuite failures on ARM:
- vect-16.c checks that the vectorization fails without -ffast-math,
but -ffast-math is a default flag for vector tests on ARM. I renamed
the test to no-fast-math-vect-16.c to avoid the use of the flag for
it.
- vect-peel-3.c and vect-peel-4.c test vectorizer's peeling heuristics
ignoring double-word vectors. This patch changes the misalignment
values of the data-refs.
- bb-slp-10.c contains a misaligned store supported not only on
vect_hw_misalign targets, but also on vect_element_align targets. The
patch fixes that.

Tested on arm-linux-gnueabi, powerpc64-suse-linux and x86_64-suse-linux.
OK for mainline?

Thanks,
Ira

testsuite/ChangeLog:

       * gcc.dg/vect/vect-16.c: Rename to ...
       * gcc.dg/vect/no-fast-math-vect16.c: ... this.
       * gcc.dg/vect/vect-peel-3.c: Adjust misalignment values
       for double-word vectors.
       * gcc.dg/vect/vect-peel-4.c: Likewise.
       * gcc.dg/vect/bb-slp-10.c: Replace vect_hw_misalign with
       vect_element_align.
       * gcc.dg/vect/vect.exp: Run no-fast-math-* tests with
       -fno-fast-math.