[Bug c++/98949] New: gcc-9.3 aarch64 -ftree-vectorize generates wrong code

2021-02-02 Thread cyb70289 at gmail dot com via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98949 Bug ID: 98949 Summary: gcc-9.3 aarch64 -ftree-vectorize generates wrong code Product: gcc Version: 9.3.0 Status: UNCONFIRMED Severity: normal Priority: P3 Compon

[Bug tree-optimization/98949] gcc-9.3 aarch64 -ftree-vectorize generates wrong code

2021-02-03 Thread cyb70289 at gmail dot com via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98949 --- Comment #2 from Yibo Cai --- Thanks for quick response. Ubuntu 20.04 installs gcc-9.3. It suffers from this bug. Looks no good. $ g++ --version g++ (Ubuntu 9.3.0-17ubuntu1~20.04) 9.3.0

[Bug c++/102526] New: Failed to link simd code if -O0

2021-09-29 Thread cyb70289 at gmail dot com via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102526 Bug ID: 102526 Summary: Failed to link simd code if -O0 Product: gcc Version: 9.3.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: c++ A