[Bug c++/115192] [14/15 regression] -O3 miscompilation on x86-64 (loops with vectors and scalars) since r14-2117

2024-05-22 Thread jukka.suomela at aalto dot fi via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=115192 --- Comment #4 from Jukka Suomela --- Created attachment 58271 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=58271&action=edit Another example, miscompiles with GCC 11 (-O3 -march=skylake) Here is a minor variant of the theme. This varia

[Bug c++/115192] GCC 14.1.0 -O3 miscompilation on x86-64 (loops with vectors and scalars)

2024-05-22 Thread jukka.suomela at aalto dot fi via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=115192 --- Comment #1 from Jukka Suomela --- Created attachment 58269 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=58269&action=edit Compiler output

[Bug c++/115192] New: GCC 14.1.0 -O3 miscompilation on x86-64 (loops with vectors and scalars)

2024-05-22 Thread jukka.suomela at aalto dot fi via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=115192 Bug ID: 115192 Summary: GCC 14.1.0 -O3 miscompilation on x86-64 (loops with vectors and scalars) Product: gcc Version: 14.1.0 Status: UNCONFIRMED Severity: nor