Directives controlling the set of instructions accepted by the assembler have effect for instructions between the directive and any subsequent directive overriding it.
.arch arch.atomic.noatomic.c6xabi_attribute tag, valueThe tag is either an attribute number or one of
Tag_ISA, Tag_ABI_wchar_t,
Tag_ABI_stack_align_needed,
Tag_ABI_stack_align_preserved, Tag_ABI_DSBT,
Tag_ABI_PID, Tag_ABI_PIC,
TAG_ABI_array_object_alignment,
TAG_ABI_array_object_align_expected,
Tag_ABI_compatibility and Tag_ABI_conformance. The
value is either a number, "string", or
number, "string" depending on the tag.
.nocmp