[Bug target/105162] [AArch64] outline-atomics drops dmb ish barrier on __sync builtins

2022-10-26 Thread pinskia at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=105162 Andrew Pinski changed: What|Removed |Added Target Milestone|--- |9.5 Known to work|

[Bug target/105162] [AArch64] outline-atomics drops dmb ish barrier on __sync builtins

2022-05-16 Thread spop at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=105162 Sebastian Pop changed: What|Removed |Added Resolution|--- |FIXED Status|UNCONFIRMED

[Bug target/105162] [AArch64] outline-atomics drops dmb ish barrier on __sync builtins

2022-05-16 Thread cvs-commit at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=105162 --- Comment #13 from CVS Commits --- The releases/gcc-12 branch has been updated by Sebastian Pop : https://gcc.gnu.org/g:5251647c84489af05baa38e4dd103cf359f77b75 commit r12-8389-g5251647c84489af05baa38e4dd103cf359f77b75 Author: Sebastian Pop

[Bug target/105162] [AArch64] outline-atomics drops dmb ish barrier on __sync builtins

2022-05-16 Thread cvs-commit at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=105162 --- Comment #12 from CVS Commits --- The releases/gcc-11 branch has been updated by Sebastian Pop : https://gcc.gnu.org/g:9ef808fb4373c8d8479539cb19ae00b1bcec87ea commit r11-10005-g9ef808fb4373c8d8479539cb19ae00b1bcec87ea Author: Sebastian

[Bug target/105162] [AArch64] outline-atomics drops dmb ish barrier on __sync builtins

2022-05-16 Thread cvs-commit at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=105162 --- Comment #11 from CVS Commits --- The releases/gcc-10 branch has been updated by Sebastian Pop : https://gcc.gnu.org/g:90a0a5315375fd53baf677e60f0fc996fe2d70b2 commit r10-10745-g90a0a5315375fd53baf677e60f0fc996fe2d70b2 Author: Sebastian

[Bug target/105162] [AArch64] outline-atomics drops dmb ish barrier on __sync builtins

2022-05-16 Thread cvs-commit at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=105162 --- Comment #10 from CVS Commits --- The releases/gcc-9 branch has been updated by Sebastian Pop : https://gcc.gnu.org/g:407adcb310df7c85387a02f9b0d5f1df770258e9 commit r9-10184-g407adcb310df7c85387a02f9b0d5f1df770258e9 Author: Sebastian Pop

[Bug target/105162] [AArch64] outline-atomics drops dmb ish barrier on __sync builtins

2022-05-13 Thread cvs-commit at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=105162 --- Comment #9 from CVS Commits --- The master branch has been updated by Sebastian Pop : https://gcc.gnu.org/g:bc25483c055d62f94f8c289f80843dda3c4a6ff4 commit r13-446-gbc25483c055d62f94f8c289f80843dda3c4a6ff4 Author: Sebastian Pop Date:

[Bug target/105162] [AArch64] outline-atomics drops dmb ish barrier on __sync builtins

2022-04-18 Thread spop at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=105162 Sebastian Pop changed: What|Removed |Added Attachment #52762|0 |1 is obsolete|

[Bug target/105162] [AArch64] outline-atomics drops dmb ish barrier on __sync builtins

2022-04-14 Thread wilco at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=105162 Wilco changed: What|Removed |Added CC||wilco at gcc dot gnu.org --- Comment #7 from

[Bug target/105162] [AArch64] outline-atomics drops dmb ish barrier on __sync builtins

2022-04-07 Thread ktkachov at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=105162 ktkachov at gcc dot gnu.org changed: What|Removed |Added CC||ktkachov at gcc dot

[Bug target/105162] [AArch64] outline-atomics drops dmb ish barrier on __sync builtins

2022-04-06 Thread spop at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=105162 Sebastian Pop changed: What|Removed |Added Attachment #52755|0 |1 is obsolete|

[Bug target/105162] [AArch64] outline-atomics drops dmb ish barrier on __sync builtins

2022-04-06 Thread spop at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=105162 --- Comment #4 from Sebastian Pop --- The attached patch degrades performance on cpus with LSE: the barrier is not needed when outline-atomics execute an LSE instruction. I was thinking to add the barrier to the armv8.0 generic path (no LSE)

[Bug target/105162] [AArch64] outline-atomics drops dmb ish barrier on __sync builtins

2022-04-05 Thread spop at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=105162 Sebastian Pop changed: What|Removed |Added Attachment #52750|0 |1 is obsolete|

[Bug target/105162] [AArch64] outline-atomics drops dmb ish barrier on __sync builtins

2022-04-05 Thread spop at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=105162 --- Comment #2 from Sebastian Pop --- Created attachment 52750 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=52750=edit patch Fix.

[Bug target/105162] [AArch64] outline-atomics drops dmb ish barrier on __sync builtins

2022-04-05 Thread spop at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=105162 --- Comment #1 from Sebastian Pop --- Also happens when compiling with LSE: -march=armv8.1-a or later.