https://gcc.gnu.org/bugzilla/show_bug.cgi?id=101505
David Binderman <dcb314 at hotmail dot com> changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |dcb314 at hotmail dot com --- Comment #5 from David Binderman <dcb314 at hotmail dot com> --- Certainly works for -O3, but doesn't for -O3 -march=bdver2. during RTL pass: expand ./gcc.dg/vect/pr101505.c: In function ‘w7.simdclone.6’: ./gcc.dg/vect/pr101505.c:15:10: internal compiler error: in expand_mult, at expm ed.c:3585 15 | return xb; | ^~ 0x91344a expand_mult(machine_mode, rtx_def*, rtx_def*, rtx_def*, int, bool) ../../trunk.git/gcc/expmed.c:3585 It breaks sometime between git hash 145bc41dae7c7bfa and 14d8a5ae472ca574