------- Comment #9 from rguenth at gcc dot gnu dot org 2006-03-24 08:43 ------- Ok, without -fno-tree-salias things are just worse, not different:
tree copy propagation : 134.88 ( 2%) usr 0.67 (10%) sys 136.04 ( 2%) wall 6573 kB ( 0%) ggc tree store copy prop : 26.55 ( 0%) usr 0.01 ( 0%) sys 26.56 ( 0%) wall 1602 kB ( 0%) ggc tree PHI insertion : 75.16 ( 1%) usr 1.80 (27%) sys 76.97 ( 1%) wall 1512507 kB (76%) ggc tree SSA rewrite :6874.42 (89%) usr 0.20 ( 3%) sys6875.24 (89%) wall 22257 kB ( 1%) ggc tree SSA incremental : 281.55 ( 4%) usr 0.11 ( 2%) sys 281.64 ( 4%) wall 10460 kB ( 1%) ggc dominator optimization: 65.92 ( 1%) usr 0.03 ( 0%) sys 65.96 ( 1%) wall 20197 kB ( 1%) ggc tree loop init : 30.19 ( 0%) usr 0.00 ( 0%) sys 30.20 ( 0%) wall 9 kB ( 0%) ggc tree SSA uncprop : 28.22 ( 0%) usr 0.01 ( 0%) sys 28.22 ( 0%) wall 0 kB ( 0%) ggc dominance frontiers : 21.44 ( 0%) usr 0.02 ( 0%) sys 21.40 ( 0%) wall 0 kB ( 0%) ggc expand : 61.70 ( 1%) usr 0.07 ( 1%) sys 61.83 ( 1%) wall 49925 kB ( 3%) ggc TOTAL :7709.86 6.60 7717.99 1990005 kB (that was ia64 with 4.1.0, sorry) I believe there's something wrong with the data-structures compared to what we had in 4.0. -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=26830