
ARM Instruction Reference
ARM DUI 0068B Copyright © 2000, 2001 ARM Limited. All rights reserved. 4-39
4.4 ARM multiply instructions
This section contains the following subsections:
• MUL and MLA on page 4-40
Multiply and multiply-accumulate (32-bit by 32-bit, bottom 32-bit result).
• UMULL, UMLAL, SMULL and SMLAL on page 4-42
Unsigned and signed long multiply and multiply accumulate (32-bit by 32-bit,
64-bit accumulate or result).
• SMULxy on page 4-44
Signed multiply (16-bit by 16-bit, 32-bit result).
• SMLAxy on page 4-46
Signed multiply-accumulate (16-bit by 16-bit, 32-bit accumulate).
• SMULWy on page 4-48
Signed multiply (32-bit by 16-bit, top 32-bit result).
• SMLAWy on page 4-49
Signed multiply-accumulate (32-bit by 16-bit, top 32-bit accumulate).
• SMLALxy on page 4-51
Signed multiply-accumulate (16-bit by 16-bit, 64-bit accumulate).
• MIA, MIAPH, and MIAxy on page 4-53
XScale coprocessor 0 instructions.
Multiply with internal accumulate (32-bit by 32-bit, 40-bit accumulate).
Multiply with internal accumulate, packed halfwords (16-bit by 16-bit twice,
40-bit accumulate).
Multiply with internal accumulate (16-bit by 16-bit, 40-bit accumulate).