PR target/88465
	* config/i386/i386.md (*movdi_internal, *movsi_internal,
	*movhi_internal, *movqi_internal): Add alternative(s) to load
	0 or -1 into k registers using kxor or kxnoq instructions.

	* gcc.target/i386/avx512f-pr88465.c: New test.
	* gcc.target/i386/avx512dq-pr88465.c: New test.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@267078 138bc75d-0d04-0410-961f-82ee72b054a4
5 files changed