https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81165
--- Comment #3 from Richard Biener ---
Hard to tell the difference but trunk seems to miss some jump threading after
loop opts.
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81165
--- Comment #2 from Andrew Pinski ---
Note even GCC 7 misses the following optimization:
if(1>>x2)
Should be converted into:
if(x2 == 0)
I am testing a patch for that, note it does not get us back to where 7.1 was
but still a good thing to do.
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81165
Martin Liška changed:
What|Removed |Added
Status|UNCONFIRMED |NEW
Last reconfirmed|
