PM0214 datasheet(112/245 Pages) STMICROELECTRONICS

部件名	PM0214

功能描述	This programming manual provides information

PDF	245 Pages

Scroll/Zoom	100%

制造商	STMICROELECTRONICS [STMicroelectronics]

网页	http://www.st.com

标志

112 / 245 page

The STM32 Cortex-M4 instruction set

PM0214

112/245

DocID022708 Rev 4

If an overflow is detected, the Q flag is set.

Examples

SMLABB

R5, R6, R4, R1

; Multiplies bottom halfwords of R6 and R4, adds

; R1 and writes to R5

SMLATB

R5, R6, R4, R1

; Multiplies top halfword of R6 with bottom halfword

; of R4, adds R1 and writes to R5

SMLATT

R5, R6, R4, R1

; Multiplies top halfwords of R6 and R4, adds

; R1 and writes the sum to R5

SMLABT

R5, R6, R4, R1

; Multiplies bottom halfword of R6 with top halfword

; of R4, adds R1 and writes to R5

SMLABT

R4, R3, R2

; Multiplies bottom halfword of R4 with top halfword

; of R3, adds R2 and writes to R4

SMLAWB

R10, R2, R5, R3 ; Multiplies R2 with bottom halfword of R5, adds

; R3 to the result and writes top 32-bits to R10

SMLAWT

R10, R2, R1, R5 ; Multiplies R2 with top halfword of R1, adds R5

; and writes top 32-bits to R10.

PM0214 数据表(PDF) 112 Page - STMicroelectronics