------- Additional Comments From pinskia at gcc dot gnu dot org 2005-01-30 01:55 ------- (In reply to comment #4) > Also happens on x86-64, but not on x86.
Well the IV selection on x86 is not good either. *(long long unsigned int *) d.18 = 0; D.1187 = (long long unsigned int *) ivtmp.4 + (long long unsigned int *) d; *(D.1187 + 8B) = 0; ... ivtmp.4 = ivtmp.4 + 64B; if ((int) ((unsigned int) w - (unsigned int) ivtmp.4) > 63) goto <L10>; else goto <L2>; Notice how we use ivtmp.4 for "d+8". And then we do w - ivtmp.4 when ivtmp.4 should go from w and go down like what it is in the source. So we select the same IVs as in the source. -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=19701
