[PR99766] Consider relaxed memory associated more with memory instead of special...

[PR99766] Consider relaxed memory associated more with memory instead of special memory.

Relaxed memory should be considered more like memory then special memory.

gcc/ChangeLog:

	PR target/99766
	* ira-costs.c (record_reg_classes): Put case with
	CT_RELAXED_MEMORY adjacent to one with CT_MEMORY.
	* ira.c (ira_setup_alts): Ditto.
	* lra-constraints.c (process_alt_operands): Ditto.
	* recog.c (asm_operand_ok): Ditto.
	* reload.c (find_reloads): Ditto.

gcc/testsuite/ChangeLog:

	PR target/99766
	* g++.target/aarch64/sve/pr99766.C: New.