ffmpeg arm64 compilation errors

gistfile1.sh

CC    libavformat/aacdec.o
In file included from libavformat/a64.c:23:
In file included from ./libavcodec/bytestream.h:31:
In file included from ./libavutil/intreadwrite.h:25:
In file included from ./libavutil/bswap.h:38:
./libavutil/arm/bswap.h:55:41: error: invalid operand for instruction
    __asm__ ("eor %1, %0, %0, ror #16 \n\t"
                                        ^
<inline asm>:2:14: note: instantiated into assembly here
        bic x9, x9, #0xFF0000   
                    ^
In file included from libavformat/a64.c:23:
In file included from ./libavcodec/bytestream.h:31:
In file included from ./libavutil/intreadwrite.h:25:
In file included from ./libavutil/bswap.h:38:
./libavutil/arm/bswap.h:56:41: error: invalid operand for instruction
             "bic %1, %1, #0xFF0000   \n\t"
                                        ^
<inline asm>:3:14: note: instantiated into assembly here
        mov x8, x8, ror #8      
                    ^
In file included from libavformat/a64.c:23:
In file included from ./libavcodec/bytestream.h:31:
In file included from ./libavutil/intreadwrite.h:25:
In file included from ./libavutil/bswap.h:38:
./libavutil/arm/bswap.h:55:41: error: invalid operand for instruction
    __asm__ ("eor %1, %0, %0, ror #16 \n\t"
                                        ^
<inline asm>:2:14: note: instantiated into assembly here
        bic x9, x9, #0xFF0000   
                    ^
In file included from libavformat/a64.c:23:
In file included from ./libavcodec/bytestream.h:31:
In file included from ./libavutil/intreadwrite.h:25:
In file included from ./libavutil/bswap.h:38:
./libavutil/arm/bswap.h:56:41: error: invalid operand for instruction
             "bic %1, %1, #0xFF0000   \n\t"
                                        ^
<inline asm>:3:14: note: instantiated into assembly here
        mov x8, x8, ror #8      
                    ^
4 errors generated.
make: *** [libavformat/a64.o] Error 1
make: *** Waiting for unfinished jobs....
In file included from libavformat/aacdec.c:23:
In file included from ./libavutil/intreadwrite.h:25:
In file included from ./libavutil/bswap.h:38:
./libavutil/arm/bswap.h:55:41: error: invalid operand for instruction
    __asm__ ("eor %1, %0, %0, ror #16 \n\t"
                                        ^
<inline asm>:2:14: note: instantiated into assembly here
        bic x0, x0, #0xFF0000   
                    ^
In file included from libavformat/aacdec.c:23:
In file included from ./libavutil/intreadwrite.h:25:
In file included from ./libavutil/bswap.h:38:
./libavutil/arm/bswap.h:56:41: error: invalid operand for instruction
             "bic %1, %1, #0xFF0000   \n\t"
                                        ^
<inline asm>:3:16: note: instantiated into assembly here
        mov x17, x17, ror #8      
                      ^
2 errors generated.
make: *** [libavformat/aacdec.o] Error 1