On 07/19/2012 01:35 PM, Jakub Jelinek wrote: > On Thu, Jul 19, 2012 at 11:52:56AM -0700, Richard Henderson wrote: >> I discovered the vectorizable_operation while trying to figure out why >> ia64 wasn't generating the mul_highpart pattern as I expected: we always >> force CODE_FOR_nothing to 0. Oops. > > icode = 0; was chosen as something that wouldn't match a real insn, yet was > different from CODE_FOR_nothing. CODE_FOR_nothing changed to 0 only > 10 days ago... Thanks for spotting this.
Ah, good. I thought I was just going crazy remembering C_F_N != 0. I havn't gotten back as far as Steven's patch in my post-vacation mail queue yet... r~