https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98859
Yongwei Wu changed:
What|Removed |Added
CC||wuyongwei at gmail dot com
--- Comment #2
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80878
--- Comment #29 from Yongwei Wu ---
As usual, test results are always elusive. I have to add yet another important
piece of information. The very bad performance result does not occur on Linux,
but only on macOS (Homebrew versions of GCC and liba
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80878
--- Comment #28 from Yongwei Wu ---
OK, somewhat answering myself. I was not aware of the fact that 128-bit atomic
read has to be implemented using cmpxchg16b as well, thus defeating some
non-CAS usage scenarios.
The natural question is: which u
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80878
Yongwei Wu changed:
What|Removed |Added
CC||wuyongwei at gmail dot com
--- Comment #27
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=94649
Yongwei Wu changed:
What|Removed |Added
CC||wuyongwei at gmail dot com
--- Comment #3
Priority: P3
Component: c++
Assignee: unassigned at gcc dot gnu.org
Reporter: wuyongwei at gmail dot com
Target Milestone: ---
The following code shows that `decltype(auto)` is deduced to the wrong type
when used in template code for an expression like
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66425
Yongwei Wu changed:
What|Removed |Added
CC||wuyongwei at gmail dot com
--- Comment #30
Priority: P3
Component: c++
Assignee: unassigned at gcc dot gnu.org
Reporter: wuyongwei at gmail dot com
Target Milestone: ---
Created attachment 37328
--> https://gcc.gnu.org/bugzilla/attachment.cgi?id=37328&action=edit
Test code to show the problem.
The attache
Priority: P3
Component: c++
Assignee: unassigned at gcc dot gnu.org
Reporter: wuyongwei at gmail dot com
Target Milestone: ---
Created attachment 37299
--> https://gcc.gnu.org/bugzilla/attachment.cgi?id=37299&action=edit
Test C++ file
I
