[Bug target/96827] __m128i from _mm_set_epi32 is backwards with -O3

[rguenth at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=96827

--- Comment #2 from Richard Biener <rguenth at gcc dot gnu.org> ---
Oddly enough with

> gcc-10 --version
gcc-10 (SUSE Linux) 10.2.1 20200805 [revision
dda1e9d08434def88ed86557d08b23251332c5aa]
Copyright (C) 2020 Free Software Foundation, Inc.
This is free software; see the source for copying conditions.  There is NO
warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.

I get your expected "6 4 2 0" at all optimization levels.