[Bug middle-end/26374] Compile failure on long double

2022-03-11 Thread beebe at math dot utah.edu via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=26374 --- Comment #22 from beebe at math dot utah.edu --- Yesterday, I got a Fedora 36 PPC64LE VM up, and left it installing hundreds of packages overnight. QEMU 4.2.1 on Ubuntu 20.04 picks a default CPU type of POWER9. Alas, the ISO installation gets

[Bug middle-end/26374] Compile failure on long double

2022-03-08 Thread beebe at math dot utah.edu via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=26374 --- Comment #19 from beebe at math dot utah.edu --- Thanks for the further comments on PowerPC, double double as fake long double, and the news of gcc-12 on Fedora 36 for that CPU. I'll soon build a VM to get access to that combination. I have V

[Bug middle-end/26374] Compile failure on long double

2022-03-08 Thread beebe at math dot utah.edu via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=26374 --- Comment #17 from beebe at math dot utah.edu --- >> ... powerpc currently uses what is called double double for 128bit >> long double. GCC does not know how to constant fold that nicely. Yes, I know about the double double format that IBM, SGI

[Bug middle-end/26374] Compile failure on long double

2022-03-08 Thread beebe at math dot utah.edu via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=26374 --- Comment #14 from beebe at math dot utah.edu --- >> https://gcc.gnu.org/bugzilla/show_bug.cgi?id=26374 That is a really old one, from early 2006; I would have hoped that it had long since been repaired in gcc. However, I just checked my VM fo