Right, but I've never taken a look at the gcc codebase. Where would I start looking for the relevant files? Is there a general introduction to the codebase anywhere that I should start with?
On Mon, Jun 2, 2014 at 11:20 AM, Ian Lance Taylor <i...@google.com> wrote: > On Mon, Jun 2, 2014 at 12:18 AM, Mike Izbicki <mike.izbi...@gmail.com> wrote: >>> Though for the gory details and authoritative answers I suppose you'd >> have to look into the source code. >> >> Where would I find the code for this? > > This is the GCC source code. There isn't one file that implements > -ffast-math. -ffast-math expands to a set of other options, and then > various bits and pieces of code tests whether those options are > enabled. > > Ian