Re: Help with RTL/MD needed

2025-07-18 Thread Jan Dubiec via Gcc
On 14.07.2025 20:02, Jeff Law wrote: [...] MD is a completely new topic to me so I am looking for some hints how to debug the issue. Is it possible that this particular MD is not fully complete? Debugging failure to match is painful. I sometimes remove all the #line markers in the generated ins

Re: Help with RTL/MD needed

2025-07-14 Thread Jeff Law via Gcc
On 7/14/25 10:57 AM, Jan Dubiec via Gcc wrote: Recently I have started playing with machine descriptions in the context of PR109324 (https://gcc.gnu.org/bugzilla/show_bug.cgi?id=109324). I have nodified MDs (see the attached patch) and got following ICE when I tried to build gcc: /d/Works/

Help with RTL/MD needed

2025-07-14 Thread Jan Dubiec via Gcc
Recently I have started playing with machine descriptions in the context of PR109324 (https://gcc.gnu.org/bugzilla/show_bug.cgi?id=109324). I have nodified MDs (see the attached patch) and got following ICE when I tried to build gcc: /d/Works/xcomp/gcc-build-stage1/./gcc/xgcc -B/d/Works/xcomp