testsuite, powerpc, v2: Fix vsx-vectorize-* after alignment peeling [PR118567]

On Tue, Jul 01, 2025 at 02:50:40PM -0500, Segher Boessenkool wrote:
> No tests become good tests without effort.  And tests that are not good
> tests require constant maintenance!

Here are two patches, either just the first one or both can be used
and both were tested on powerpc64le-linux.

The second one adds further 8 tests, which are dg-do run which #include
the former tests, don't do any dump tests and just define the checking/main
for those.

2025-09-05  Jakub Jelinek  <jakub@redhat.com>

	PR testsuite/118567
	* gcc.target/powerpc/vsx-vectorize-9.c: New test.
	* gcc.target/powerpc/vsx-vectorize-10.c: New test.
	* gcc.target/powerpc/vsx-vectorize-11.c: New test.
	* gcc.target/powerpc/vsx-vectorize-12.c: New test.
	* gcc.target/powerpc/vsx-vectorize-13.c: New test.
	* gcc.target/powerpc/vsx-vectorize-14.c: New test.
	* gcc.target/powerpc/vsx-vectorize-15.c: New test.
	* gcc.target/powerpc/vsx-vectorize-16.c: New test.

(cherry picked from commit 8d8b6249d83609e56752ee51d2686b2f5fb062e6)
8 files changed