ARM VERSION 1.2 - Manual (Page 153)

ARM Instruction Reference
ARM DUI 0068B Copyright © 2000, 2001 ARM Limited. All rights reserved. 4-43
Condition flags
If S is specified, these instructions:
• update the N and Z flags according to the result
• corrupt the C and V flags in ARM architecture v4 and earlier
• do not affect the C or V flags in ARM architecture v5 and later.
Architectures
These instructions are available in ARM architecture v3M, and ARM architecture v4
and above except xM variants.
Examples
UMULL r0,r4,r5,r6
UMLALS r4,r5,r3,r8
SMLALLES r8,r9,r7,r6
SMULLNE r0,r1,r9,r0 ; Rs can be the same as other
; registers
Incorrect examples
UMULL r1,r15,r10,r2 ; use of r15 not allowed
SMULLLE r0,r1,r0,r5 ; RdLo, RdHi and Rm must all be
; different registers