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TST (immediate)
, setting the condition flags and discarding the result.
This instruction is an alias of ANDS (immediate).
The equivalent instruction is ANDS WZR, .Wn, #imm
Syntax
TST
Wn, #imm ; 32-bit
TST
Xn, #imm ; 64-bit
Where:
Wn- Is the 32-bit name of the general-purpose source register.
imm- The bitmask immediate.
Xn- Is the 64-bit name of the general-purpose source register.
Operation
Rn AND immRW or X.