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* [Bug tree-optimization/60669] New: VRP misses asserts for some already defined statements @ 2014-03-26 12:13 pinskia at gcc dot gnu.org 2014-03-26 12:49 ` [Bug tree-optimization/60669] " rguenth at gcc dot gnu.org ` (3 more replies) 0 siblings, 4 replies; 5+ messages in thread From: pinskia at gcc dot gnu.org @ 2014-03-26 12:13 UTC (permalink / raw) To: gcc-bugs http://gcc.gnu.org/bugzilla/show_bug.cgi?id=60669 Bug ID: 60669 Summary: VRP misses asserts for some already defined statements Product: gcc Version: 4.9.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: tree-optimization Assignee: unassigned at gcc dot gnu.org Reporter: pinskia at gcc dot gnu.org Take (derived from gcc.dg/tree-ssa/vrp65.c): extern void link_error (void); void f7 (int s) { unsigned t = s; if ((s & 0x3cc0) == 0x3cc0) { if (t <= 0x3cbf) link_error (); } else { if (t + 64 <= 63) link_error (); } } --- CUT --- Notice how VRP does not insert an assert for t in either side of the if statement even though it could figure out its range. This shows up when I was adding a pass which takes common code and hoists them up. ^ permalink raw reply [flat|nested] 5+ messages in thread
* [Bug tree-optimization/60669] VRP misses asserts for some already defined statements 2014-03-26 12:13 [Bug tree-optimization/60669] New: VRP misses asserts for some already defined statements pinskia at gcc dot gnu.org @ 2014-03-26 12:49 ` rguenth at gcc dot gnu.org 2015-01-03 22:01 ` pinskia at gcc dot gnu.org ` (2 subsequent siblings) 3 siblings, 0 replies; 5+ messages in thread From: rguenth at gcc dot gnu.org @ 2014-03-26 12:49 UTC (permalink / raw) To: gcc-bugs http://gcc.gnu.org/bugzilla/show_bug.cgi?id=60669 --- Comment #1 from Richard Biener <rguenth at gcc dot gnu.org> --- because it's not used in the paths dominated by the conditional. ^ permalink raw reply [flat|nested] 5+ messages in thread
* [Bug tree-optimization/60669] VRP misses asserts for some already defined statements 2014-03-26 12:13 [Bug tree-optimization/60669] New: VRP misses asserts for some already defined statements pinskia at gcc dot gnu.org 2014-03-26 12:49 ` [Bug tree-optimization/60669] " rguenth at gcc dot gnu.org @ 2015-01-03 22:01 ` pinskia at gcc dot gnu.org 2021-07-12 17:46 ` amacleod at redhat dot com 2021-11-15 8:30 ` pinskia at gcc dot gnu.org 3 siblings, 0 replies; 5+ messages in thread From: pinskia at gcc dot gnu.org @ 2015-01-03 22:01 UTC (permalink / raw) To: gcc-bugs https://gcc.gnu.org/bugzilla/show_bug.cgi?id=60669 Andrew Pinski <pinskia at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Severity|normal |enhancement ^ permalink raw reply [flat|nested] 5+ messages in thread
* [Bug tree-optimization/60669] VRP misses asserts for some already defined statements 2014-03-26 12:13 [Bug tree-optimization/60669] New: VRP misses asserts for some already defined statements pinskia at gcc dot gnu.org 2014-03-26 12:49 ` [Bug tree-optimization/60669] " rguenth at gcc dot gnu.org 2015-01-03 22:01 ` pinskia at gcc dot gnu.org @ 2021-07-12 17:46 ` amacleod at redhat dot com 2021-11-15 8:30 ` pinskia at gcc dot gnu.org 3 siblings, 0 replies; 5+ messages in thread From: amacleod at redhat dot com @ 2021-07-12 17:46 UTC (permalink / raw) To: gcc-bugs https://gcc.gnu.org/bugzilla/show_bug.cgi?id=60669 Andrew Macleod <amacleod at redhat dot com> changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |amacleod at redhat dot com --- Comment #3 from Andrew Macleod <amacleod at redhat dot com> --- I believe ranger resolves this now in EVRP? ^ permalink raw reply [flat|nested] 5+ messages in thread
* [Bug tree-optimization/60669] VRP misses asserts for some already defined statements 2014-03-26 12:13 [Bug tree-optimization/60669] New: VRP misses asserts for some already defined statements pinskia at gcc dot gnu.org ` (2 preceding siblings ...) 2021-07-12 17:46 ` amacleod at redhat dot com @ 2021-11-15 8:30 ` pinskia at gcc dot gnu.org 3 siblings, 0 replies; 5+ messages in thread From: pinskia at gcc dot gnu.org @ 2021-11-15 8:30 UTC (permalink / raw) To: gcc-bugs https://gcc.gnu.org/bugzilla/show_bug.cgi?id=60669 Andrew Pinski <pinskia at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Status|UNCONFIRMED |RESOLVED Resolution|--- |FIXED Target Milestone|--- |12.0 --- Comment #4 from Andrew Pinski <pinskia at gcc dot gnu.org> --- Fixed on the trunk by many of the ranger improvements that was done. ^ permalink raw reply [flat|nested] 5+ messages in thread
end of thread, other threads:[~2021-11-15 8:30 UTC | newest] Thread overview: 5+ messages (download: mbox.gz / follow: Atom feed) -- links below jump to the message on this page -- 2014-03-26 12:13 [Bug tree-optimization/60669] New: VRP misses asserts for some already defined statements pinskia at gcc dot gnu.org 2014-03-26 12:49 ` [Bug tree-optimization/60669] " rguenth at gcc dot gnu.org 2015-01-03 22:01 ` pinskia at gcc dot gnu.org 2021-07-12 17:46 ` amacleod at redhat dot com 2021-11-15 8:30 ` pinskia at gcc dot gnu.org
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