[Bug c++/95400] New: -march=native and -march=icelake-client produce different results on icelake client

2020-05-28 Thread travis.downs at gmail dot com
Severity: normal Priority: P3 Component: c++ Assignee: unassigned at gcc dot gnu.org Reporter: travis.downs at gmail dot com Target Milestone: --- On an Ice Lake client machine, using -O3 -march=native produces 512-bit AVX-512 instructions, whereas -O3 -march

[Bug c++/92440] New: Error output for first error truncated with -fmax-errors=1

2019-11-10 Thread travis.downs at gmail dot com
Priority: P3 Component: c++ Assignee: unassigned at gcc dot gnu.org Reporter: travis.downs at gmail dot com Target Milestone: --- Consider the following code snippet: template struct S { template friend struct S; }; S<0> s; Compiled with gcc trunk

[Bug target/62011] False Data Dependency in popcnt instruction

2017-11-11 Thread travis.downs at gmail dot com
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=62011 Travis Downs changed: What|Removed |Added CC||travis.downs at gmail dot com

[Bug target/62011] False Data Dependency in popcnt instruction

2017-11-11 Thread travis.downs at gmail dot com
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=62011 --- Comment #16 from Travis Downs --- Also, this is fixed for Skylake for tzcnt and lzcnt but not popcnt.

[Bug libstdc++/100128] New: Behavior and performance depends on order of ctype.h and stdlib.h include

2021-04-16 Thread travis.downs at gmail dot com via Gcc-bugs
: normal Priority: P3 Component: libstdc++ Assignee: unassigned at gcc dot gnu.org Reporter: travis.downs at gmail dot com Target Milestone: --- When ctype.h is included as the first header in a file, it will be processed without __NO_CTYPE being defined. This