[Bug tree-optimization/67683] Missed vectorization: shifts of an induction variable

2024-03-18 Thread liuhongt at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67683 Hongtao Liu changed: What|Removed |Added CC||liuhongt at gcc dot gnu.org --- Comment

[Bug tree-optimization/67683] Missed vectorization: shifts of an induction variable

2024-03-18 Thread pinskia at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67683 --- Comment #5 from Andrew Pinski --- /app/example.cpp:5:20: note: vect_is_simple_use: operand # RANGE [irange] short unsigned int [0, 2047][3294, 3294][6589, 6589][13179, 13179][26359, 26359][52719, 52719] val_16 = PHI , type of def:

[Bug tree-optimization/67683] Missed vectorization: shifts of an induction variable

2024-03-18 Thread pinskia at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67683 Bug 67683 depends on bug 35226, which changed state. Bug 35226 Summary: Induction with multiplication are not vectorized https://gcc.gnu.org/bugzilla/show_bug.cgi?id=35226 What|Removed |Added

[Bug tree-optimization/67683] Missed vectorization: shifts of an induction variable

2017-05-31 Thread rguenth at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67683 Richard Biener changed: What|Removed |Added Depends on||35226 --- Comment #4 from Richard

[Bug tree-optimization/67683] Missed vectorization: shifts of an induction variable

2016-08-20 Thread pinskia at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67683 Andrew Pinski changed: What|Removed |Added Severity|normal |enhancement

[Bug tree-optimization/67683] Missed vectorization: shifts of an induction variable

2015-10-07 Thread rguenth at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67683 --- Comment #3 from Richard Biener --- Right shifts are divisions so the result isn't an affine evolution. Yes, you could enhance the vectorizer to not rely on scalar evolutions (only) for reduction detection.

[Bug tree-optimization/67683] Missed vectorization: shifts of an induction variable

2015-10-06 Thread alalaw01 at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67683 alalaw01 at gcc dot gnu.org changed: What|Removed |Added See Also||https://gcc.gnu.org/bugzill

[Bug tree-optimization/67683] Missed vectorization: shifts of an induction variable

2015-09-23 Thread rguenth at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67683 Richard Biener changed: What|Removed |Added Status|UNCONFIRMED |NEW Last reconfirmed|