[Bug c/105950] > O2 optimization causes runtime (SIGILL) during main initialization

2022-06-13 Thread jkanapes at yahoo dot com via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=105950 --- Comment #8 from John Kanapes --- True. I was confused that sources were needed only by the GNAT subsystem. I am working to recreate the issue in a smaller, more portable, easier to understand code. I hope, I have a couple of days before clos

[Bug middle-end/101836] __builtin_object_size(P->M, 1) where M is an array and the last member of a struct fails

2022-06-13 Thread siddhesh at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=101836 --- Comment #22 from Siddhesh Poyarekar --- (In reply to Kees Cook from comment #21) > How about "-fnot-flex-arrays=N" to mean "trailing arrays with N or more > elements will NOT be treated like a flex array"? > > Then code with sockaddr can us

[Bug middle-end/101836] __builtin_object_size(P->M, 1) where M is an array and the last member of a struct fails

2022-06-13 Thread siddhesh at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=101836 --- Comment #23 from Siddhesh Poyarekar --- (In reply to Siddhesh Poyarekar from comment #22) > An arbitrary N will only make it abuse-friendly and potentially mask bugs. > IMO if we choose to make multiple levels here it should only be > -fstr

[Bug tree-optimization/105940] suggested_unroll_factor applying place looks wrong

2022-06-13 Thread cvs-commit at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=105940 --- Comment #3 from CVS Commits --- The master branch has been updated by Kewen Lin : https://gcc.gnu.org/g:f907cf4c07cf51863dadbe90894e2ae3382bada5 commit r13-1083-gf907cf4c07cf51863dadbe90894e2ae3382bada5 Author: Kewen Lin Date: Tue Jun 1

[Bug target/105951] [12/13 Regression] ICE in emit_store_flag, at expmed.cc:6027

2022-06-13 Thread ubizjak at gmail dot com via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=105951 Uroš Bizjak changed: What|Removed |Added Ever confirmed|0 |1 CC|

[Bug target/105951] [12/13 Regression] ICE in emit_store_flag, at expmed.cc:6027

2022-06-13 Thread ubizjak at gmail dot com via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=105951 --- Comment #2 from Uroš Bizjak --- (In reply to Uroš Bizjak from comment #1) > CC author. g:6362627b27f395b054f359244fcfcb15ac0ac2ab

[Bug target/105965] New: x86: single-element vectors don't have scalar FMA insns used anymore

2022-06-13 Thread jbeulich at suse dot com via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=105965 Bug ID: 105965 Summary: x86: single-element vectors don't have scalar FMA insns used anymore Product: gcc Version: 12.1.0 Status: UNCONFIRMED Severity: normal

[Bug target/105953] [12/13 Regression] ICE in extract_insn, at recog.cc:2791

2022-06-13 Thread ubizjak at gmail dot com via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=105953 Uroš Bizjak changed: What|Removed |Added Last reconfirmed||2022-06-14 Status|UNCONFIRMED

[Bug target/105966] New: x86: operations on certain few-element vectors yield very inefficient code

2022-06-13 Thread jbeulich at suse dot com via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=105966 Bug ID: 105966 Summary: x86: operations on certain few-element vectors yield very inefficient code Product: gcc Version: 12.1.0 Status: UNCONFIRMED Severity: n

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