• compile time constant expressions

    Mike Rieker
    Mike Rieker
    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…
    • Answered
    • over 6 years ago
    • Processors
    • Classic processors forum

  • Can keil compiler translate C code into SIMD instructions(ARMv7-m)

    Zhang Zhiyang
    Zhang Zhiyang


    When we write such code as following, can keil compiler automaticly translate it into SIMD STM.

      do{

              *p++ = 1;

               *p++ = 1;

               …

    • Answered
    • over 6 years ago
    • Software Tools
    • Arm Development Studio forum