[Bug tree-optimization/37541] VRP fails to optimize single-bit ranges

2012-06-29 Thread rguenth at gcc dot gnu.org
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=37541 Richard Guenther changed: What|Removed |Added Status|NEW |RESOLVED Resolution|

[Bug tree-optimization/37541] VRP fails to optimize single-bit ranges

2012-06-29 Thread rguenth at gcc dot gnu.org
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=37541 --- Comment #2 from Richard Guenther 2012-06-29 13:57:04 UTC --- Author: rguenth Date: Fri Jun 29 13:56:51 2012 New Revision: 189075 URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=189075 Log: 2012-06-29 Richard Guenther PR tree-op

[Bug tree-optimization/37541] VRP fails to optimize single-bit ranges

2010-07-28 Thread rguenth at gcc dot gnu dot org
--- Comment #1 from rguenth at gcc dot gnu dot org 2010-07-28 14:43 --- This seems fixed, just the optimizations in question are already performed partly by FRE but one, test2 (struct foo2 * x) { ... : D.2745_3 = BIT_FIELD_REF <*x_2(D), 8, 0>; D.2746_4 = D.2745_3 & 1; if (D.2746_4