PR target/60077
	* expr.c (emit_move_resolve_push): Export; be bit more selective
	on when to clear alias set.
	* expr.h (emit_move_resolve_push): Declare.
	* function.h (struct function): Add tail_call_marked.
	* tree-tailcall.c (optimize_tail_call): Set tail_call_marked.
	* config/i386/i386-protos.h (ix86_expand_push): Remove.
	* config/i386/i386.md (TImode move expander): De not call
	ix86_expand_push.
	(FP push expanders): Preserve memory attributes.
	* config/i386/sse.md (push<mode>1): Remove.
	* config/i386/i386.c (ix86_expand_vector_move): Handle push
	operation.
	(ix86_expand_push): Remove.
	* config/i386/mmx.md (push<mode>1): Remove.

From-SVN: r207587