https://gcc.gnu.org/bugzilla/show_bug.cgi?id=116800
Andrew Pinski <pinskia at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Last reconfirmed| |2024-09-21 Blocks| |53947 Status|UNCONFIRMED |NEW Component|libstdc++ |target Ever confirmed|0 |1 Target| |x86_64-linux-gnu --- Comment #1 from Andrew Pinski <pinskia at gcc dot gnu.org> --- /opt/compiler-explorer/gcc-trunk-20240921/include/c++/15.0.0/experimental/bits/simd.h:1869:86: note: starting SLP discovery for node 0x8d04280 /opt/compiler-explorer/gcc-trunk-20240921/include/c++/15.0.0/experimental/bits/simd.h:1869:86: note: Build SLP for _9 = fma (_7, _8, _6); /opt/compiler-explorer/gcc-trunk-20240921/include/c++/15.0.0/experimental/bits/simd.h:1869:86: note: get vectype for scalar type (group size 8): double /opt/compiler-explorer/gcc-trunk-20240921/include/c++/15.0.0/experimental/bits/simd.h:1869:86: note: vectype: vector(4) double /opt/compiler-explorer/gcc-trunk-20240921/include/c++/15.0.0/experimental/bits/simd.h:1869:86: note: nunits = 4 Referenced Bugs: https://gcc.gnu.org/bugzilla/show_bug.cgi?id=53947 [Bug 53947] [meta-bug] vectorizer missed-optimizations