https://gcc.gnu.org/bugzilla/show_bug.cgi?id=114506
--- Comment #3 from demin.han at starfivetech dot com --- Hi, I'm trying to fix this. The reason is unnecessary live_range added in cost model > -----Original Message----- > From: pinskia at gcc dot gnu.org <gcc-bugzi...@gcc.gnu.org> > Sent: 2024年3月28日 13:34 > To: demin...@gcc.gnu.org > Subject: [Bug target/114506] RISC-V: expect M8 but M4 generated with > dynamic LMUL > > https://gcc.gnu.org/bugzilla/show_bug.cgi?id=114506 > > Andrew Pinski <pinskia at gcc dot gnu.org> changed: > > What |Removed |Added > ---------------------------------------------------------------------------- > Keywords| > |missed-optimization > Target| |riscv > > --- Comment #2 from Andrew Pinski <pinskia at gcc dot gnu.org> --- Using > -fno-vect-cost-model forces the use of M8 though. > > I have no idea how this cost model is trying to prove here. > > -- > You are receiving this mail because: > You reported the bug.