Move ix86_align_loops into a separate pass and insert the pass after pass_endbr_and_p...

Move ix86_align_loops into a separate pass and insert the pass after pass_endbr_and_patchable_area.

gcc/ChangeLog:

	PR target/116174
	* config/i386/i386.cc (ix86_align_loops): Move this to ..
	* config/i386/i386-features.cc (ix86_align_loops): .. here.
	(class pass_align_tight_loops): New class.
	(make_pass_align_tight_loops): New function.
	* config/i386/i386-passes.def: Insert pass_align_tight_loops
	after pass_insert_endbr_and_patchable_area.
	* config/i386/i386-protos.h (make_pass_align_tight_loops): New
	declare.

gcc/testsuite/ChangeLog:

	* gcc.target/i386/pr116174.c: New test.