[Bug target/114059] ICE in extract_insn, at recog.cc:2812 | sme2 vs -fsanitize=address -mtrack-speculation -fharden-control-flow-redundancy

2024-04-11 Thread pheeck at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=114059 Filip Kastl changed: What|Removed |Added CC||pheeck at gcc dot gnu.org --- Comment #2

[Bug target/114059] ICE in extract_insn, at recog.cc:2812 | sme2 vs -fsanitize=address -mtrack-speculation -fharden-control-flow-redundancy

2024-03-08 Thread aoliva at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=114059 --- Comment #1 from Alexandre Oliva --- ISTM that -fharden-control-flow-redundancy is only instrumental to trigger the latent problem, but the real problem is in the back end: aarch64_restore_za emits a aarch64_cbnedi1 unconditionally, but insn