gcc-12-20210919 is now available

2021-09-19 Thread GCC Administrator via Gcc
Snapshot gcc-12-20210919 is now available on https://gcc.gnu.org/pub/gcc/snapshots/12-20210919/ and on various mirrors, see http://gcc.gnu.org/mirrors.html for details. This snapshot has been generated from the GCC 12 git branch with the following options: git://gcc.gnu.org/git/gcc.git branch

Development request

2021-09-19 Thread Mohamed Atef via Gcc
Hello there, We are 6 students from Egypt and now We are in our last year and We need to build a project as a graduation project. And We are interested in the area of runtime systems, operating systems and compilers. We are going to work 40-60 hrs a week Can We help in some tool you need as a gradu

Re: unexpected result with -O2 solved via "volatile"

2021-09-19 Thread Marc Glisse
On Sun, 19 Sep 2021, Allin Cottrell via Gcc wrote: Should this perhaps be considered a bug? Below is a minimal test case for a type of calculation that occurs in my real code. It works as expected when compiled without optimization, but produces what seems like a wrong result when compiled wit

unexpected result with -O2 solved via "volatile"

2021-09-19 Thread Allin Cottrell via Gcc
Should this perhaps be considered a bug? Below is a minimal test case for a type of calculation that occurs in my real code. It works as expected when compiled without optimization, but produces what seems like a wrong result when compiled with -O2, using both gcc 10.3.1 20210422 on Fedora and