vec-extract.h: New files to check the vec_extract built-in functions for all vector...

vec-extract.h: New files to check the vec_extract built-in functions for all vector types...

2016-07-21  Michael Meissner  <meissner@linux.vnet.ibm.com>

	* gcc.target/powerpc/vec-extract.h: New files to check the
	vec_extract built-in functions for all vector types, testing
	accessing each element, both with constant and variable element
	numbers.
	* gcc.target/powerpc/vec-extract-v16qi.c: Likewise.
	* gcc.target/powerpc/vec-extract-v16qiu.c: Likewise.
	* gcc.target/powerpc/vec-extract-v2df.c: Likewise.
	* gcc.target/powerpc/vec-extract-v2di.c: Likewise.
	* gcc.target/powerpc/vec-extract-v4sf.c: Likewise.
	* gcc.target/powerpc/vec-extract-v4si.c: Likewise.
	* gcc.target/powerpc/vec-extract-v4siu.c: Likewise.
	* gcc.target/powerpc/vec-extract-v8hi.c: Likewise.
	* gcc.target/powerpc/vec-extract-v8hiu.c: Likewise.

From-SVN: r238613