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swp instruction in arm

arm cmp flags

cmp instruction in assembly language

arm mov

tst arm

bic instruction in armarm instruction set

ble arm

These instructions compare the value in a register with Operand2. The CMP instruction subtracts the value of Operand2 from the value in Rn. You cannot use pc for any operand in any data processing instruction that has a register-controlled shift (see Flexible second operand).
Non-Confidential PDF versionARM DUI0379H ARM® Compiler v5.06 for µVision® armasm User GuideVersion 5Home > ARM and Thumb Instructions > CMP
These instructions compare the value in a register with Operand2 . They update the condition flags on the result, but do not place the result in any register.
The first CMP instruction in the code above triggers Negative bit to be set (2 – 3 Some ARM processor versions support the “IT” instruction that allows up to 43 Mar 2012 Compare Instructions. <operation>{cond} Rn,Operand2. <operation>. CMP – compare. Flags set to result of (Rn ? Operand2). CMN – compare
You cannot do a conditional branch without first setting the condition register somehow. This can be done with cmp or by adding s to most instructions. Check out
These instructions compare the value in a register with Operand2 . They update the condition flags on the result, but do not place the result in any register.
22 Aug 2008 Main features of the ARM Instruction Set Thumb instruction formats are less regular than ARM instruction .. CMP operand1 – operand2.
6 Jun 2016 Sounds like your lecture slides are slightly mixed up. The point of CMP is that if the two operands are equal then the result is zero, which means
Instruction, CMP. Function, Compare. Category, Data processing. ARM family, All CMP permits you to compare two values, automatically updating the flags to

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