[Bug target/80846] auto-vectorized AVX2 horizontal sum should narrow to 128b right away, to be more efficient for Ryzen and Intel

[ro at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80846

--- Comment #24 from Rainer Orth <ro at gcc dot gnu.org> ---
The new gcc.target/i386/pr80846-1.c testcase FAILs on Solaris/x86 (32 and
64-bit):

+FAIL: gcc.target/i386/pr80846-1.c scan-assembler-times vextracti 2 (found 1
times)

Assembler output attached.

  Rainer