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Re: problem with -ax option
- From: Satyavathi Malladi <satya at ittc dot ku dot edu>
- To: <gcc-help at gcc dot gnu dot org>
- Date: Mon, 6 Jan 2003 19:43:31 -0600 (CST)
- Subject: Re: problem with -ax option
I am using gcc-2.95. Does -ax works fine with this version.
Satya
On Mon, 6 Jan 2003, Janis Johnson wrote:
> On Mon, Jan 06, 2003 at 04:42:43PM -0600, Satyavathi Malladi wrote:
> >
> > I have used the -ax option to profile a program. The program makes some
> > library function calls. So, I recompiled the library with profiling turned
> > on for the library functions. A particular library function is called 3
> > times in my program. But the basic block, corresponding to the entry to
> > that function, is entered only for the first two times and not entered the
> > 3rd time. I ran the program several times and observed the same behavior.
> > The basic block corresponding to the exit of the library function is
> > ,however, entered. Could anyone pls help me figure out what the problem could be.
>
> Profiling with -ax was broken in GCC 3.0 and was removed in GCC 3.1.
> Try using -ftest-coverage -fprofile-arcs.
>
> Janis
>