One case where ICC can generate much faster code sometimes is by using
the nontemporal pragma [https://software.intel.com/en-us/node/524559]
with loops.
AFAIK, there's no such equivalent pragma in gcc
[https://gcc.gnu.org/ml/gcc/2012-01/msg00028.html].
When I tried this simple example
https://git
Is there any way to easily build a stage1 gcc with macro support for debugging?
I tried setting CFLAGS, and CXXFLAGS to specify "-O0 -g3" via the
command line before running configure, but that only includes those
flags for some of the compilation steps.
I was only successful after I manually edi