gcc/
	* config/i386/i386.h (ADDITIONAL_REGISTER_NAMES): Add
	ymm and zmm register names.

gcc/testsuite/
	* gcc.target/i386/avx-additional-reg-names.c: New.
	* gcc.target/i386/avx512f-additional-reg-names.c: Ditto.

From-SVN: r208631