------- Comment #5 from rakdver at atrey dot karlin dot mff dot cuni dot cz 2006-02-24 21:17 ------- Subject: Re: [4.2 Regression] ICE with -march=pentium4 -ftree-vectorize in matmul_i4.c in loop invariant motion
> I'm not sure how to fix this. The debug trace here says it all: We try to > force something into an operand using an optab with a mode for which we have > no > handler: I have considered several possibilities; by far the simplest seems to be to either just fail in this case in move_invariant_reg, or try calling emit_move_insn on the original SET_SRC (set) if force_operand returns NULL (http://gcc.gnu.org/ml/gcc-patches/2006-02/msg01009.html may be useful in both cases). -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=26449
