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Preface Introduction Writing ARM Assembly Language Assembler Reference 
ARM and Thumb Instructions 
Instruction summary Memory access instructions Address alignment LDR and STR (immediate offset) LDR and STR (register offset) LDR and STR (User mode) LDR (pc-relative) ADR PLD, PLDW, and PLI LDM and STM PUSH and POP RFE SRS LDREX and STREX CLREX SWP and SWPB General data processing instructions Flexible second operand ADD, SUB, RSB, ADC, SBC, and RSC SUBS pc, lr AND, ORR, EOR, BIC, and ORN CLZ CMP and CMN MOV and MVN MOVT TST and TEQ SEL REV, REV16, REVSH, and RBIT ASR, LSL, LSR, ROR, and RRX SDIV and UDIV Multiply instructions MUL, MLA, and MLS UMULL, UMLAL, SMULL, and SMLAL SMULxy and SMLAxy SMULWy and SMLAWy SMLALxy SMUAD{X} and SMUSD{X} SMMUL, SMMLA, and SMMLS SMLAD and SMLSD SMLALD and SMLSLD UMAAL Saturating instructions Saturating arithmetic QADD, QSUB, QDADD, and QDSUB SSAT and USAT Parallel instructions Parallel add and subtract USAD8 and USADA8 SSAT16 and USAT16 Packing and unpacking instructions BFC and BFI SBFX and UBFX SXT, SXTA, UXT, and UXTA PKHBT and PKHTB Branch and control instructions B, BL, BX, BLX, and BXJ IT CBZ and CBNZ TBB and TBH Coprocessor instructions CDP and CDP2 MCR, MCR2, MCRR, and MCRR2 MRC, MRC2, MRRC and MRRC2 LDC, LDC2, STC, and STC2 Miscellaneous instructions BKPT SVC MRS MSR CPS SMC SETEND NOP, SEV, WFE, WFI, and YIELD DBG, DMB, DSB, and ISB Instruction width selection in Thumb Instruction width specifiers, .W and .N Different behavior for some instructions Diagnostic warning ThumbEE instructions ENTERX and LEAVEX CHKA HB, HBL, HBLP, and HBP Pseudo-instructions ADRL pseudo-instruction MOV32 pseudo-instruction LDR pseudo-instruction UND pseudo-instruction Directives ReferenceBranch and control instructions
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This section contains the following subsections:
Branch, Branch with Link, Branch and exchange instruction set, Branch with Link and exchange instruction set, Branch and change instruction set to Jazelle.
If-Then.
ITmakes up to four following instructions conditional, with either the same condition, or some with one condition and others with the inverse condition.ITis available only in Thumb-2.Compare against zero and branch. These instructions are available only in Thumb-2.
Table Branch Byte or Halfword. These instructions are available only in Thumb-2.
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