• Cortex R4 versus ARM9E
    I have ARM9E very well optimized code. If I run the same piece of code, how much of optimization/performance improvement can be seen on Cortex R4? Does anybody has benchmarking results between ARM9E and...
  • Very Urgent :VIC in ARM Cortex R4
    Hi all, It was nice experience working with NXP with my favorite S32K1XX series having ARM Cotex M-4 and M-0+. Now i switched to BCM895XX series with ARM Cotex R-4 having VIC for interrupt contolling...
  • Bit scan Instruction ARM cortex R4
    Hi all, I need help for to convert logic in following way: if 1st bit set in (00000000000000000000000000001) i can get 1 f 1st bit set in (00000000000000000000000000100) i can get 2 f 1st bit...
  • Needs explanation of an assembly snippet
    Hello, I am having trouble understanding the goal of the second add.w instruction in the snippet below: ... add.w r1, r4, r5 add.w r1, r1, r1, lsr #0x1f asr r1, r1, #1 ... I imagine it may have...
  • IOC flag at FPSCR register
    I using Cortex-R4. And I reading "Cortex™-R4 and Cortex-R4F Technical Reference Manual(Revision:r1p3)". In my system,  IOC flag in FPSCR register is set with unexpected processing. What is the condition...