ref: a2eafd2cb0d6206ddaa846d50c320a309a17f05e
dir: /sys/src/libmp/arm/mpvecdigmuladd.s/
TEXT mpvecdigmuladd(SB),$0 MOVW n+4(FP),R4 MOVW m+8(FP),R5 MOVW p+12(FP),R6 MOVW $0, R2 _muladdloop: MOVW $0, R1 MOVW.P 4(R0), R3 MULALU R3, R5, (R1, R2) MOVW (R6), R7 ADD.S R2, R7 ADC $0, R1, R2 MOVW.P R7, 4(R6) SUB.S $1, R4 B.NE _muladdloop MOVW (R6), R7 ADD R2, R7 MOVW R7, (R6) RET