[Bug tree-optimization/67153] [5/6 Regression] integer optimizations 53% slower than std::bitset<>

2016-02-08 Thread nate at verse dot com
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67153 --- Comment #23 from Nathan Kurz --- > 1. As a correction: *without* the count takes twice as long to run as with, >or when using bitset<>. Oops, I did say that backwards. My tests agree with what you say. > 2. As a heuristic, favoring a

[Bug tree-optimization/67153] [5/6 Regression] integer optimizations 53% slower than std::bitset<>

2016-02-08 Thread nate at verse dot com
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67153 Nathan Kurz changed: What|Removed |Added CC||nate at verse dot com --- Comment #21

[Bug c++/58118] New: Local variables specified with asm("reg") may not work

2013-08-10 Thread nate at verse dot com
iority: P3 Component: c++ Assignee: unassigned at gcc dot gnu.org Reporter: nate at verse dot com In some cases, local variables specified with asm("reg") do not use the assigned register. Additionally, assignments to these variables may not be correct. The worst behav