[Bug middle-end/23518] some gcc optimizations do not take overflow into account with -fwrapv

2005-12-20 Thread kazu at gcc dot gnu dot org
--- Comment #4 from kazu at gcc dot gnu dot org 2005-12-20 19:58 --- I've got a patch. -- kazu at gcc dot gnu dot org changed: What|Removed |Added AssignedTo|unas

[Bug middle-end/23518] some gcc optimizations do not take overflow into account with -fwrapv

2005-12-21 Thread kazu at gcc dot gnu dot org
--- Comment #5 from kazu at gcc dot gnu dot org 2005-12-22 04:03 --- Subject: Bug 23518 Author: kazu Date: Thu Dec 22 04:03:32 2005 New Revision: 108940 URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=108940 Log: gcc/ PR tree-optimization/23518 * fold-const.c (mak

[Bug middle-end/23518] some gcc optimizations do not take overflow into account with -fwrapv

2005-12-21 Thread kazu at gcc dot gnu dot org
--- Comment #6 from kazu at gcc dot gnu dot org 2005-12-22 04:04 --- Just checked in a patch. -- kazu at gcc dot gnu dot org changed: What|Removed |Added Target Milesto

[Bug middle-end/23518] some gcc optimizations do not take overflow into account with -fwrapv

2005-12-21 Thread kazu at gcc dot gnu dot org
--- Comment #7 from kazu at gcc dot gnu dot org 2005-12-22 04:06 --- Oops, I forgot to change resolution to FIXED. -- kazu at gcc dot gnu dot org changed: What|Removed |Added -

[Bug middle-end/23518] some gcc optimizations do not take overflow into account with -fwrapv

2005-11-28 Thread pinskia at gcc dot gnu dot org
--- Comment #3 from pinskia at gcc dot gnu dot org 2005-11-28 16:28 --- fold_range_test is wrong, around fold-const.c:4635 -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=23518

[Bug middle-end/23518] some gcc optimizations do not take overflow into account with -fwrapv

2005-08-22 Thread pinskia at gcc dot gnu dot org
--- Additional Comments From pinskia at gcc dot gnu dot org 2005-08-22 19:45 --- Note signed overflow is undefined unless you use -fwrapv except that does not fix this. This is a bug in fold, most likely build_range_check. -- What|Removed |Added --

[Bug middle-end/23518] some gcc optimizations do not take overflow into account with -fwrapv

2005-08-22 Thread pinskia at gcc dot gnu dot org
--- Additional Comments From pinskia at gcc dot gnu dot org 2005-08-22 19:52 --- Here is a java program (since -fwrapv is turned on by default for java front-end unlike the C front-end since it is undefined in C and defined in java): class t { public static void main(String as[]) {