On Fri, Jul 31, 2015 at 19:27:58 +0300, Ilya Verbin wrote: > I've noticed that target MIC compiler from trunk hangs forever in > lto_input_mode_table in this loop, even on simple testcases. > > On Wed, Feb 18, 2015 at 11:00:35 +0100, Jakub Jelinek wrote: > + /* First search just the GET_CLASS_NARROWEST_MODE to wider modes, > + if not found, fallback to all modes. */ > + int pass; > + for (pass = 0; pass < 2; pass++) > + for (machine_mode mr = pass ? VOIDmode > + : GET_CLASS_NARROWEST_MODE (mclass); > + pass ? mr < MAX_MACHINE_MODE : mr != VOIDmode; > + pass ? mr = (machine_mode) (m + 1) > + : mr = GET_MODE_WIDER_MODE (mr)) > + if (GET_MODE_CLASS (mr) != mclass > + || GET_MODE_SIZE (mr) != size > + || GET_MODE_PRECISION (mr) != prec > + || GET_MODE_INNER (mr) != inner > + || GET_MODE_IBIT (mr) != ibit > + || GET_MODE_FBIT (mr) != fbit > + || GET_MODE_NUNITS (mr) != nunits) > + continue; > > Given that gomp-4_1-branch works ok, the problem was introduced somewhere > between 9 and 31 Jul. I'll try to find the revision.
Shouldn't 'mr' be here instead of 'm'? > mr = (machine_mode) (m + 1) -- Ilya