[Bug tree-optimization/61171] vectorization fails for a reduction in presence of subtraction

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=61171 Richard Biener changed: What|Removed |Added Status|ASSIGNED|RESOLVED Known to work|

[Bug tree-optimization/61171] vectorization fails for a reduction in presence of subtraction

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=61171 --- Comment #6 from Richard Biener --- Author: rguenth Date: Thu Jul 20 11:17:21 2017 New Revision: 250382 URL: https://gcc.gnu.org/viewcvs?rev=250382=gcc=rev Log: 2017-07-20 Richard Biener PR

[Bug tree-optimization/61171] vectorization fails for a reduction in presence of subtraction

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=61171 Richard Biener changed: What|Removed |Added Status|NEW |ASSIGNED Last reconfirmed|2015-04-29

[Bug tree-optimization/61171] vectorization fails for a reduction in presence of subtraction

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=61171 Andrew Pinski changed: What|Removed |Added Severity|normal |enhancement

[Bug tree-optimization/61171] vectorization fails for a reduction in presence of subtraction

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=61171 --- Comment #3 from Richard Biener --- it's a matter of association being "unfortunate" or vector reduction detection being too simplistic. # prephitmp_21 = PHI ... _2 = pretmp_18 + prephitmp_21; _9 = _2 - _6; needs

[Bug tree-optimization/61171] vectorization fails for a reduction in presence of subtraction

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=61171 alalaw01 at gcc dot gnu.org changed: What|Removed |Added CC||alalaw01 at gcc dot gnu.org

[Bug tree-optimization/61171] vectorization fails for a reduction in presence of subtraction

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=61171 Richard Biener rguenth at gcc dot gnu.org changed: What|Removed |Added Status|UNCONFIRMED |NEW Last