[Bug target/86497] [8/9 regression] wasted instructions for x86 float x!=x
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86497 Jeffrey A. Law changed: What|Removed |Added Status|NEW |RESOLVED CC||law at redhat dot com Resolution|--- |DUPLICATE --- Comment #5 from Jeffrey A. Law --- Per c#3. *** This bug has been marked as a duplicate of bug 84251 ***
[Bug target/86497] [8/9 regression] wasted instructions for x86 float x!=x
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86497 Jakub Jelinek changed: What|Removed |Added Target Milestone|8.2 |8.3 --- Comment #4 from Jakub Jelinek --- GCC 8.2 has been released.
[Bug target/86497] [8/9 regression] wasted instructions for x86 float x!=x
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86497 --- Comment #3 from Uroš Bizjak --- (In reply to Jakub Jelinek from comment #2) > Started with r254167, so maybe related to PR84251. Yes, it is the same issue. As said in PR84251, we have to wrap COMPARE into UNSPEC, so this defeats some passes (in this case fwprop1 pass) that look at RTX code of the pattern.
[Bug target/86497] [8/9 regression] wasted instructions for x86 float x!=x
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86497 Jakub Jelinek changed: What|Removed |Added CC||jakub at gcc dot gnu.org --- Comment #2 from Jakub Jelinek --- Started with r254167, so maybe related to PR84251.
[Bug target/86497] [8/9 regression] wasted instructions for x86 float x!=x
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86497 Richard Biener changed: What|Removed |Added Priority|P3 |P2 Status|UNCONFIRMED |NEW Last reconfirmed||2018-07-12 Target Milestone|--- |8.2 Ever confirmed|0 |1 --- Comment #1 from Richard Biener --- Confirmed. I _think_ I've seen a duplicate...