• Cortex-R5: Divide-by-zero
    Hello, I am using Xilinx MpSoc Ultrascale+ ZCU102. I want to generate an interrupt when dividing by zero. I read the Cortex-R5 technical reference manual ( infocenter.arm.com/.../index.jsp The system...
  • Count Leading Zeros
    Note: This was originally posted on 6th April 2009 at http://forums.arm.com Using the ARM9 CLZ instruction - I am wondering, generally, how often would it be required to use this function and does it...
  • Instruction Modification: DCCMVAU and write buffer
    Hello, The ARMv8-A-TRM provides the code snipped shown below, under section K9.5.2 within subsection "Ensuring the visibility of updates to instructions for a uniprocessor": Assume that the memory...
  • Is there a built-in ARM assembly instruction for the following problem?
    Is there an ARM assembly instruction for the following problem of converting between string to number, number to string, and number to number? String -> Number Number -> String Number -> Number...
  • Assembler change immediate value of one assembly instruction
    I am using the KEIL MDK-5, assembly. The project compiles without some problems, but when i see the disassembly the assembler change the inmediate value Assembler substitute one instruction for another...