ARM Architecture Reference Manual ARMv7-A and ARMv7-R edition

ThumbEE
A9.1.3 Instructions with modifications
In addition to the instructions described in ThumbEE state transitions on page A9-2 and Null checking on
page A9-3, Table A9-1 shows other instructions that are modified in ThumbEE state. The pseudocode,
including the null check if any, is given in ThumbEE instructions with modified behavior on page A9-8.
Table A9-1 Modified instructions
Instructions Rbase Modification
LDR (register) Rn Rm multiplied by 4, null check
LDRH (register) Rn Rm multiplied by 2, null check
LDRSH (register) Rn Rm multiplied by 2, null check
STR (register) Rn Rm multiplied by 4, null check
STRH (register) Rn Rm multiplied by 2, null check
A9-4 Copyright © 1996-1998, 2000, 2004-2008 ARM Limited. All rights reserved. ARM DDI 0406B