• Is Thumb to ARM mode overhead
    Hi all, Consider high priority routines are executing in ARM mode and low priority in Thumb mode. There could be constant switching between ARM and THUMB mode. In this inter-working model is there any...
  • Difference between thumb machine directives
    Hi Experts, What is the key difference between the following directives .thumb .thumb_func .force_thumb .thumb_set What is the exact use case where the above things can to be applied ? Regards, Techguyz...
  • Question about a code snippet on ARM, Thumb state change
    Hi, I find the following code snippet online on ARM state change. Although that whole material looks solid, the second line in the blue code below is puzzling. add R1,PC,#1 ;Load address of SUB_BRANCH...
  • Cryptography instructions sample for ARMv8
    hi, experts: I found ARMv8 supported some cryptography instructions. So: Is there any sample code demonstrating how to use these crypto instructions? best wishes,
  • -print-libgcc-file-name gives thumb while -marm is used
    Dear Forum, Using ~$ arm-none-eabi-gcc -v Using built-in specs. COLLECT_GCC=arm-none-eabi-gcc COLLECT_LTO_WRAPPER=/opt/gcc-arm-none-eabi/bin/../libexec/gcc/arm-none-eabi/9.2.1/lto-wrapper Target...