ARM Cortex-M4 - Multiply and Divide Instructions

The Cortex-M4 Instruction Set
ARM DUI 0553A Copyright © 2010 ARM. All rights reserved. 3-74
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3.6 Multiply and divide instructions
Table 3-9 shows the multiply and divide instructions:
Table 3-9 Multiply and divide instructions
Mnemonic Brief description See
MLA Multiply with Accumulate, 32-bit result MUL, MLA, and MLS on page 3-75
MLS Multiply and Subtract, 32-bit result MUL, MLA, and MLS on page 3-75
MUL Multiply, 32-bit result MUL, MLA, and MLS on page 3-75
SDIV Signed Divide SDIV and UDIV on page 3-94
SMLA[B,T] Signed Multiply Accumulate (halfwords) SMLA and SMLAW on page 3-79
SMLAD , SMLADX Signed Multiply Accumulate Dual SMLAD on page 3-81
SMLAL Signed Multiply with Accumulate (32x32+64),
64-bit result
UMULL, UMLAL, SMULL, and SMLAL on page 3-93
SMLAL[B,T] Signed Multiply Accumulate Long (halfwords) SMLAL and SMLALD on page 3-82
SMLALD , SMLALDX Signed Multiply Accumulate Long Dual SMLAL and SMLALD on page 3-82
SMLAW[B|T] Signed Multiply Accumulate (word by halfword) SMLA and SMLAW on page 3-79
SMLSD Signed Multiply Subtract Dual SMLSD and SMLSLD on page 3-84
SMLSLD Signed Multiply Subtract Long Dual SMLSD and SMLSLD on page 3-84
SMMLA Signed Most Significant Word Multiply
Accumulate
SMMLA and SMMLS on page 3-86
SMMLS , SMMLSR Signed Most Significant Word Multiply Subtract SMMLA and SMMLS on page 3-86
SMUAD, SMUADX Signed Dual Multiply Add SMUAD and SMUSD on page 3-89
SMUL[B,T] Signed Multiply (word by halfword) SMUL and SMULW on page 3-91
SMMUL , SMMULR Signed Most Significant Word Multiply SMMUL on page 3-88
SMULL Signed Multiply (32x32), 64-bit result UMULL, UMLAL, SMULL, and SMLAL on page 3-93
SMULWB, SMULWT Signed Multiply (word by halfword) SMUL and SMULW on page 3-91
SMUSD, SMUSDX Signed Dual Multiply Subtract SMUAD and SMUSD on page 3-89
UDIV Unsigned Divide SDIV and UDIV on page 3-94
UMAAL Unsigned Multiply Accumulate Accumulate Long
(32x32+32+32), 64-bit result
UMULL, UMAAL, UMLAL on page 3-77
UMLAL Unsigned Multiply with Accumulate (32x32+64),
64-bit result
UMULL, UMLAL, SMULL, and SMLAL on page 3-93
UMULL Unsigned Multiply (32x32), 64-bit result UMULL, UMLAL, SMULL, and SMLAL on page 3-93