https://gcc.gnu.org/bugzilla/show_bug.cgi?id=111646
Andrew Pinski <pinskia at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Ever confirmed|0 |1
Status|UNCONFIRMED |WAITING
Last reconfirmed| |2023-09-30
--- Comment #1 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
Works for me on a physical hardware:
```
ubuntu@ubuntu:~/src\# gcc t.c -lm
ubuntu@ubuntu:~/src\# ./a.out
x -9311848.013224 cosx_1 -0.634393
x -9311848.013224 cosx_2 -0.634393
ubuntu@ubuntu:~/src\# gcc t.c -lm -O1
ubuntu@ubuntu:~/src\# ./a.out
x -9311848.013224 cosx_1 -0.634393
x -9311848.013224 cosx_2 -0.634393
ubuntu@ubuntu:~/src\# gcc t.c -lm -O2
ubuntu@ubuntu:~/src\# ./a.out
x -9311848.013224 cosx_1 -0.634393
x -9311848.013224 cosx_2 -0.634393
ubuntu@ubuntu:~/src\# uname -a
Linux ubuntu 5.4.74-10348-gabddb56e7886 #1 SMP PREEMPT Fri Mar 5 18:58:46 PST
2021 aarch64 aarch64 aarch64 GNU/Linux
ubuntu@ubuntu:~/src\# lsb_release -a
No LSB modules are available.
Distributor ID: Ubuntu
Description: Ubuntu 18.04.1 LTS
Release: 18.04
Codename: bionic
ubuntu@ubuntu:~/src\# lscpu
Architecture: aarch64
Byte Order: Little Endian
CPU(s): 24
On-line CPU(s) list: 0-23
Thread(s) per core: 1
Core(s) per socket: 24
Socket(s): 1
Vendor ID: Cavium
Model: 0
Stepping: 0x2
BogoMIPS: 200.00
L1d cache: 41K
L1i cache: 66K
L2i cache: 1280K
L3 cache: 14336K
Flags: fp asimd aes pmull sha1 sha2 crc32 atomics cpuid asimdrdm
dcpop
```
Maybe this is a bug in qemu.
