[Bug target/114200] [14] RISC-V fixed-length vector miscompile at -O3

2024-03-06 Thread pinskia at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=114200 Andrew Pinski changed: What|Removed |Added Target Milestone|--- |14.0

[Bug target/114200] [14] RISC-V fixed-length vector miscompile at -O3

2024-03-06 Thread patrick at rivosinc dot com via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=114200 Patrick O'Neill changed: What|Removed |Added Status|UNCONFIRMED |RESOLVED Resolution|---

[Bug target/114200] [14] RISC-V fixed-length vector miscompile at -O3

2024-03-06 Thread rdapp at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=114200 --- Comment #3 from Robin Dapp --- *** Bug 114202 has been marked as a duplicate of this bug. ***

[Bug target/114200] [14] RISC-V fixed-length vector miscompile at -O3

2024-03-06 Thread cvs-commit at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=114200 --- Comment #2 from GCC Commits --- The master branch has been updated by Robin Dapp : https://gcc.gnu.org/g:59554a50be8ebbd52e8a6348a92110af182e1874 commit r14-9345-g59554a50be8ebbd52e8a6348a92110af182e1874 Author: Robin Dapp Date: Wed

[Bug target/114200] [14] RISC-V fixed-length vector miscompile at -O3

2024-03-06 Thread rdapp at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=114200 --- Comment #1 from Robin Dapp --- Took me a while to analyze this... needed more time than I'd like to admit to make sense of the somewhat weird code created by fully unrolling and peeling. I believe the problem is that we reload the output