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  • compile time constant expressions

    Note: This was originally posted on 12th March 2009 at http://forums.arm.com

    I am seeing code like this generated from the armcc v4.0 compiler (just downloaded it a couple hours ago):

      MOV r0,#5
      CLZ r0,r0
      RSB r7,r0,#0x3f

    So I would think…