[Bug target/86019] [8/9 Regression] Unref implementation using atomic_thread_fence generates worse code on x86-64 in gcc 8.1 than 7.3

2019-02-25 Thread jakub at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86019 --- Comment #5 from Jakub Jelinek --- This used to be handled by peephole2, but that can't do anything with multiple basic blocks and (insn 12 11 13 3 (set (mem/v:BLK (scratch:DI) [0 A8]) (unspec:BLK [ (mem/v:BLK

[Bug target/86019] [8/9 Regression] Unref implementation using atomic_thread_fence generates worse code on x86-64 in gcc 8.1 than 7.3

2019-02-22 Thread jakub at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86019 Jakub Jelinek changed: What|Removed |Added Target Milestone|8.3 |8.4 --- Comment #4 from Jakub Jelinek

[Bug target/86019] [8/9 Regression] Unref implementation using atomic_thread_fence generates worse code on x86-64 in gcc 8.1 than 7.3

2018-12-20 Thread rguenth at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86019 Richard Biener changed: What|Removed |Added Priority|P3 |P2

[Bug target/86019] [8/9 Regression] Unref implementation using atomic_thread_fence generates worse code on x86-64 in gcc 8.1 than 7.3

2018-07-26 Thread jakub at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86019 Jakub Jelinek changed: What|Removed |Added Target Milestone|8.2 |8.3 --- Comment #3 from Jakub Jelinek

[Bug target/86019] [8/9 Regression] Unref implementation using atomic_thread_fence generates worse code on x86-64 in gcc 8.1 than 7.3

2018-06-15 Thread jakub at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86019 Jakub Jelinek changed: What|Removed |Added Status|UNCONFIRMED |NEW Last reconfirmed|

[Bug target/86019] [8/9 Regression] Unref implementation using atomic_thread_fence generates worse code on x86-64 in gcc 8.1 than 7.3

2018-06-01 Thread rguenth at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86019 Richard Biener changed: What|Removed |Added Keywords||missed-optimization