sse-12.c: Include x86intrin.h.

	* gcc.target/i386/sse-12.c: Include x86intrin.h.
	(dg-options): Use -mavx instead of -msse4. Add -maes -mpclmul.
	* gcc.target/i386/sse-13.c: Include x86intrin.h. Define immintrin.h
	intrinsics that require immediate arguments.
	(dg-options): Use -mavx instead of -msse4.
	* gcc.target/i386/sse-14.c: Include x86intrin.h. Define immintrin.h
	intrinsics that require immediate arguments.
	(test_3): New macro.
	(dg-options): Use -mavx instead of -msse4.
	* g++.dg/other/i386-2.C: Include x86intrin.h.
	(dg-options): Use -mavx instead of -msse4.
	* g++.dg/other/i386-3.C: Include x86intrin.h.
	(dg-options): Use -mavx instead of -msse4.

From-SVN: r142739