The following options are target specific:
  -mabi=                      		lp64
  -march=                     		armv8-a+crypto+crc
  -mbig-endian                		[disabled]
  -mbionic                    		[disabled]
  -mbranch-protection=        		
  -mcmodel=                   		small
  -mcpu=                      		generic
  -mfix-cortex-a53-835769     		[enabled]
  -mfix-cortex-a53-843419     		[enabled]
  -mgeneral-regs-only         		[disabled]
  -mglibc                     		[enabled]
  -mharden-sls=               		
  -mlittle-endian             		[enabled]
  -mlow-precision-div         		[disabled]
  -mlow-precision-recip-sqrt  		[disabled]
  -mlow-precision-sqrt        		[disabled]
  -mmusl                      		[disabled]
  -momit-leaf-frame-pointer   		[enabled]
  -moutline-atomics           		[enabled]
  -moverride=<string>         		
  -mpc-relative-literal-loads 		[enabled]
  -msign-return-address=      		none
  -mstack-protector-guard-offset= 	
  -mstack-protector-guard-reg= 		
  -mstack-protector-guard=    		global
  -mstrict-align              		[disabled]
  -msve-vector-bits=<number>  		scalable
  -mtls-dialect=              		desc
  -mtls-size=                 		24
  -mtrack-speculation         		[disabled]
  -mtune=                     		cortex-a53
  -muclibc                    		[disabled]
  -mverbose-cost-dump         		[disabled]

  Known AArch64 ABIs (for use with the -mabi= option):
    ilp32 lp64

  Supported AArch64 return address signing scope (for use with -msign-return-address= option):
    all non-leaf none

  The code model option names for -mcmodel:
    large small tiny

  Valid arguments to -mstack-protector-guard=:
    global sysreg

  The possible SVE vector lengths:
    1024 128 2048 256 512 scalable

  The possible TLS dialects:
    desc trad