Datasheet

SAM4S Series [DATASHEET]

11100F–ATARM–29-Jan-14

 RdHi and RdLo must be different registers.

Examples

SMULBT R0, R4, R5 ; Multiplies the bottom halfword of R4 with the

; top halfword of R5, multiplies results and

; writes to R0

SMULBB R0, R4, R5 ; Multiplies the bottom halfword of R4 with the

; bottom halfword of R5, multiplies results and

; writes to R0

SMULTT R0, R4, R5 ; Multiplies the top halfword of R4 with the top

; halfword of R5, multiplies results and writes

; to R0

SMULTB R0, R4, R5 ; Multiplies the

top halfword of R4 with the

; bott

om halfword of R5, multiplies results and

; and writes to R0

SMULWT R4, R5, R3 ; Multiplies R5 with the top halfword of R3,

; extracts top 32 bits and writes to R4

SMULWB R4, R5, R3 ; Multiplies R5 with the bottom halfword of R3,

; extracts top 32 bits and writes to R4.