2.6.5.9.4 Condition Flags

These instructions:

• update the N and Z flags according to the result
• can update the C flag during the calculation of Operand2, see 2.6.3.3 Flexible Second Operand
• do not affect the V flag.

Examples

TST R0, #0x3F8        ; Perform bitwise AND of R0 value to 0x3F8, 
                                 ; APSR is updated but result is discarded
TEQEQ R10, R9                  ; Conditionally test if value in R10 is equal to 
                                 ; value in R9, APSR is updated but result is discarded.