ref: 37a8fc6168b3bf82df198fb20be5a8a53996187c
dir: /sys/src/games/doom/pal_arm64.s/
TEXT pal2xrgb+0(SB), 1, $-4 MOV s+8(FP), R1 MOV d+16(FP), R2 MOVWU n+24(FP), R3 MOVWU scale+32(FP), R4 MOVWU $4, R5 MULW R5, R4, R6 // 4*scale MULW R5, R6, R5 SUBW R6, R5, R5 // 3*4*scale ADD R3, R1, R7 // s+n SUB R5, R2, R8 ADD R6, R8, R9 ADD R6, R9, R10 ADD R6, R10, R11 _l: CMP R1, R7 BEQ _end MOVWU (R1)4!, R3 UBFXW $8, $8, R3, R4 UBFXW $16, $8, R3, R12 UBFXW $24, $8, R3, R13 MOVBU R3, R3 MOVWU (R0)[R3], R3 ADD R5, R8 ADD R5, R10 MOVWU (R0)[R4], R4 ADD R5, R9 ADD R5, R11 MOVWU (R0)[R12], R12 ADD R6, R8, R18 MOVWU (R0)[R13], R13 _s1: CMP R8, R18 BEQ _l MOVWU R3, (R8)4! MOVWU R4, (R9)4! MOVWU R12, (R10)4! MOVWU R13, (R11)4! B _s1 _end: RETURN