https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81723
--- Comment #7 from Richard Biener ---
Ok, so the issue is that SLP tree size limiting doesn't work effectively here
with the build-from-scalars fallback as the cost of doing this is not accounted
for. The tree size itself doesn't grow too much
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81723
Richard Biener changed:
What|Removed |Added
Target||x86_64-*-*
Priority|P3
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81723
Thomas Koenig changed:
What|Removed |Added
Target Milestone|--- |7.2
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81723
--- Comment #5 from Matthias Klose ---
same behavior with trunk 20170731
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81723
Andrew Pinski changed:
What|Removed |Added
Keywords||compile-time-hog
