[Bug tree-optimization/52406] [4.7 Regression] likely wrong code bug

2012-04-03 Thread rguenth at gcc dot gnu.org
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=52406 Richard Guenther changed: What|Removed |Added Status|ASSIGNED|RESOLVED Known to work|

[Bug tree-optimization/52406] [4.7 Regression] likely wrong code bug

2012-04-03 Thread rguenth at gcc dot gnu.org
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=52406 --- Comment #11 from Richard Guenther 2012-04-03 14:30:38 UTC --- Author: rguenth Date: Tue Apr 3 14:30:32 2012 New Revision: 186108 URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=186108 Log: 2012-04-03 Richard Guenther Backport

[Bug tree-optimization/52406] [4.7 Regression] likely wrong code bug

2012-03-14 Thread izamyatin at gmail dot com
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=52406 Igor Zamyatin changed: What|Removed |Added CC||izamyatin at gmail dot com --- Comment #1

[Bug tree-optimization/52406] [4.7 Regression] likely wrong code bug

2012-03-02 Thread rguenth at gcc dot gnu.org
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=52406 Richard Guenther changed: What|Removed |Added Known to work||4.8.0 Summary|[4.7/4.8 Regr

[Bug tree-optimization/52406] [4.7 Regression] likely wrong code bug

2012-03-01 Thread rguenth at gcc dot gnu.org
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=52406 Richard Guenther changed: What|Removed |Added Target Milestone|4.7.0 |4.7.1 --- Comment #7 from Richard Guen

[Bug tree-optimization/52406] [4.7 Regression] likely wrong code bug

2012-02-28 Thread rguenth at gcc dot gnu.org
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=52406 Richard Guenther changed: What|Removed |Added Blocks||50067 --- Comment #6 from Richard Guen

[Bug tree-optimization/52406] [4.7 Regression] likely wrong code bug

2012-02-28 Thread rguenth at gcc dot gnu.org
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=52406 --- Comment #5 from Richard Guenther 2012-02-28 11:06:16 UTC --- We have Creating dr for MEM[(int *)&a + 4B] base_address: &a offset from base address: 0 constant offset from base address: 4 step: 0 aligne

[Bug tree-optimization/52406] [4.7 Regression] likely wrong code bug

2012-02-28 Thread rguenth at gcc dot gnu.org
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=52406 Richard Guenther changed: What|Removed |Added Status|NEW |ASSIGNED AssignedTo|unassigned

[Bug tree-optimization/52406] [4.7 Regression] likely wrong code bug

2012-02-28 Thread jakub at gcc dot gnu.org
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=52406 --- Comment #3 from Jakub Jelinek 2012-02-28 10:14:57 UTC --- Indeed, it is pcom that breaks it. Before pcom we have: MEM[(int *)&a + 4B] = 1; D.1723_6 = a[1].f1; but pcom doesn't consider the first store to be possibly affecting the load:

[Bug tree-optimization/52406] [4.7 Regression] likely wrong code bug

2012-02-28 Thread jakub at gcc dot gnu.org
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=52406 --- Comment #2 from Jakub Jelinek 2012-02-28 09:54:01 UTC --- Strangely, /* PR tree-optimization/52406 */ extern void abort (void); struct { int f1; } a[2]; int *b, *const k = &a[1].f1; static int **c = &b; int e, f, d; int main () { int **

[Bug tree-optimization/52406] [4.7 Regression] likely wrong code bug

2012-02-27 Thread jakub at gcc dot gnu.org
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=52406 Jakub Jelinek changed: What|Removed |Added Status|UNCONFIRMED |NEW Last reconfirmed|