[Bug c++/98801] Request for a conditional move built-in function

2021-01-23 Thread jeffhurchalla at gmail dot com via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98801 --- Comment #3 from Jeff Hurchalla --- My last comment went long: I'd kindly request some way to inform gcc to generate a conditional move, regardless of method.

[Bug c++/98801] Request for a conditional move built-in function

2021-01-23 Thread jeffhurchalla at gmail dot com via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98801 --- Comment #2 from Jeff Hurchalla --- Relying on improved codegen, I believe we have the current problem that there are times that a programmer knows a conditional is unpredictable, yet it would be impossible for a compiler to know. There's no

[Bug c++/98801] Request for a conditional move built-in function

2021-01-22 Thread pinskia at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98801 --- Comment #1 from Andrew Pinski --- I don't think we need a builtin. Because we could just improve the code generation instead.