• "mov" vs "adds ... #0" (cortex M0)
    I've noticed that arm gcc, when compiling code for Cortex-M0 (at least) seems to generate instructions: adds r0, r2, #0 Where I'm pretty sure that it the same as: movs r0, r2 In fact, I can...
  • ARM64 Linaro toochain Link error ( R_AARCH64_ADR_PREL_PG_HI21 )
    Hi Experts, We are using address which is more than 32 bits with for example : 0x1000000000 when comes to adrp instruction it is giving following error.: relocation truncated to fit: R_AARCH64_ADR_PREL_PG_HI21...
  • Is there a maximum length of compile path ?
    Hi, I have a problem something weird. I made some cpp files in my project folder and made a Makefile to compile easier. The problem is that if compile path is longer than specific length, the compile...
  • Beware of GNU-ARM compiler for Cortex-M0/M0+/M1
    The popular GNU-ARM toolset has had long-known issues for the Cortex-M0/M0+/M1 (ARMv6-M architecture). Specifically, people have reported very inefficient code generated, see "Cortex M0/M0+...
  • multiple definition of `__stack_chk_fail'
    Hi, I am trying to migrate GCC from 7.2.1 to 8.3. To do so, I took the prebuilt binaries from your website developer.arm.com/.../downloads I used to take the packages from Linaro in the past. I am using...