[Bug tree-optimization/32100] [4.2/4.3 Regression] vrp bitfield miscompilation

2007-05-28 Thread pinskia at gcc dot gnu dot org
--- Comment #8 from pinskia at gcc dot gnu dot org 2007-05-28 19:48 --- Fixed. -- pinskia at gcc dot gnu dot org changed: What|Removed |Added Status|ASSIGNED

[Bug tree-optimization/32100] [4.2/4.3 Regression] vrp bitfield miscompilation

2007-05-28 Thread pinskia at gcc dot gnu dot org
--- Comment #7 from pinskia at gcc dot gnu dot org 2007-05-28 19:48 --- Subject: Bug 32100 Author: pinskia Date: Mon May 28 19:47:53 2007 New Revision: 125140 URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=125140 Log: 2007-05-28 Andrew Pinski <[EMAIL PROTECTED]> PR tr

[Bug tree-optimization/32100] [4.2/4.3 Regression] vrp bitfield miscompilation

2007-05-28 Thread pinskia at gcc dot gnu dot org
--- Comment #6 from pinskia at gcc dot gnu dot org 2007-05-28 19:43 --- Subject: Bug 32100 Author: pinskia Date: Mon May 28 19:43:10 2007 New Revision: 125139 URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=125139 Log: 2007-05-28 Andrew Pinski <[EMAIL PROTECTED]> PR tr

[Bug tree-optimization/32100] [4.2/4.3 Regression] vrp bitfield miscompilation

2007-05-26 Thread pinskia at gcc dot gnu dot org
--- Comment #5 from pinskia at gcc dot gnu dot org 2007-05-26 22:11 --- + if ((TYPE_PRECISION (t) != 1 || TYPE_UNSIGNED (t)) Should obviously be: + if ((TYPE_PRECISION (type) != 1 || TYPE_UNSIGNED (type)) This is why I should not change my patch after I made it working. Luc

[Bug tree-optimization/32100] [4.2/4.3 Regression] vrp bitfield miscompilation

2007-05-26 Thread pinskia at gcc dot gnu dot org
--- Comment #4 from pinskia at gcc dot gnu dot org 2007-05-26 21:51 --- The fix: Index: fold-const.c === --- fold-const.c(revision 125044) +++ fold-const.c(working copy) @@ -13485,9 +13485,14 @@ tree_expr_non

[Bug tree-optimization/32100] [4.2/4.3 Regression] vrp bitfield miscompilation

2007-05-26 Thread pinskia at gcc dot gnu dot org
--- Comment #3 from pinskia at gcc dot gnu dot org 2007-05-26 21:42 --- set_value_range_to_nonnegative returns true which is wrong as the range of signed:1 is only [-1,0]. -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=32100

[Bug tree-optimization/32100] [4.2/4.3 Regression] vrp bitfield miscompilation

2007-05-26 Thread pinskia at gcc dot gnu dot org
--- Comment #2 from pinskia at gcc dot gnu dot org 2007-05-26 21:38 --- D.1532_3 = D.1531_2 != 0; Found new range for D.1532_3: [0, +INF] So we have a "signed int:1" which we get the wrong range for. Confirmed, looking more into it. -- pinskia at gcc dot gnu dot org changed:

[Bug tree-optimization/32100] [4.2/4.3 Regression] vrp bitfield miscompilation

2007-05-26 Thread pinskia at gcc dot gnu dot org
--- Comment #1 from pinskia at gcc dot gnu dot org 2007-05-26 21:35 --- Related to PR 23603. -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=32100

[Bug tree-optimization/32100] [4.2/4.3 Regression] vrp bitfield miscompilation

2007-05-26 Thread pinskia at gcc dot gnu dot org
-- pinskia at gcc dot gnu dot org changed: What|Removed |Added CC||pinskia at gcc dot gnu dot |