Add execution tests of ARM EXT intrinsics

Add execution tests of ARM EXT intrinsics

	gcc.target/arm/simd/vextQf32_1.c: New file.
	gcc.target/arm/simd/vextQp16_1.c: New file.
	gcc.target/arm/simd/vextQp8_1.c: New file.
	gcc.target/arm/simd/vextQs16_1.c: New file.
	gcc.target/arm/simd/vextQs32_1.c: New file.
	gcc.target/arm/simd/vextQs64_1.c: New file.
	gcc.target/arm/simd/vextQs8_1.c: New file.
	gcc.target/arm/simd/vextQu16_1.c: New file.
	gcc.target/arm/simd/vextQu32_1.c: New file.
	gcc.target/arm/simd/vextQu64_1.c: New file.
	gcc.target/arm/simd/vextQu8_1.c: New file.
	gcc.target/arm/simd/vextQp64_1.c: New file.
	gcc.target/arm/simd/vextf32_1.c: New file.
	gcc.target/arm/simd/vextp16_1.c: New file.
	gcc.target/arm/simd/vextp8_1.c: New file.
	gcc.target/arm/simd/vexts16_1.c: New file.
	gcc.target/arm/simd/vexts32_1.c: New file.
	gcc.target/arm/simd/vexts64_1.c: New file.
	gcc.target/arm/simd/vexts8_1.c: New file.
	gcc.target/arm/simd/vextu16_1.c: New file.
	gcc.target/arm/simd/vextu32_1.c: New file.
	gcc.target/arm/simd/vextu64_1.c: New file.
	gcc.target/arm/simd/vextu8_1.c: New file.
	gcc.target/arm/simd/vextp64_1.c: New file.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@211059 138bc75d-0d04-0410-961f-82ee72b054a4