On Fri, Nov 10, 2023 at 04:53:57PM +0800, Lehua Ding wrote: > > > The divide by zero error above is interesting. I'm not sure why > > > ira_reg_class_max_nregs[] yields 0 for the pseudo register 168 in > > > the following rtx: > > > (debug_insn 168 167 169 19 (var_location:SI encoding (reg/v:SI 168 [ > > > encoding ])) -1 > > > (nil)) > > > > I just cross compiled an arm-none-eabi compiler and didn't encounter > > this error, can you give me a little more config info about build? For > > example, flags_for_target, etc. Thanks again. > > > > Forgot, please also provide the version information of newlib code. >
These are the GIT commit hashes which I tested: gcc 39d81b667373b0033f44702a4b532a4618dde9ff binutils c96ceed9dce7617f270aa4742645706e535f74b7 newlib 39f734a857e2692224715b03b99fc7bd83e94a0f This is the script I'm using to build arm-none-eabi: https://github.com/dinuxbg/gnupru/blob/master/testing/manual-build-arm.sh The build steps and config parameters are easily seen there. Note that the Linaro CI is also detecting issues. It hits ICEs when building libgcc: https://patchwork.sourceware.org/project/gcc/patch/20231108034740.834590-8-lehua.d...@rivai.ai/ Regards, Dimitar
