ref: 1c0427e6dd9da96e6e20410f205a95b30c2ae770
dir: /sys/src/libc/arm64/memset.s/
TEXT memset(SB), $-4 MOVBU c+8(FP), R1 MOVWU n+16(FP), R2 ADD R0, R2, R3 BIC $7, R2, R4 CBZ R4, _loop1 ADD R0, R4, R4 ORR R1<<8, R1 ORR R1<<16, R1 ORR R1<<32, R1 _loop8: MOV R1, (R0)8! CMP R4, R0 BNE _loop8 _loop1: CMP R3, R0 BEQ _done MOVBU R1, (R0)1! B _loop1 _done: RETURN