But when I change the code 'opstatus = rand()' to 'opstatus = rand()
%2', the probability of opstatus being 0 should be 50%, but the result
remains the same, i.e. still split at that point.
And the specific information can be found in Bugzilla, the link is
https://gcc.gnu.org/bugzilla/show_bug.cgi
On Mon, Oct 2, 2023 at 7:15 PM Hanke Zhang via Gcc wrote:
>
> Martin Jambor 于2023年10月3日周二 00:34写道：
> >
> > Hello,
> >
> > On Mon, Oct 02 2023, Hanke Zhang via Gcc wrote:
> > > Hi, I have some questions about the strategy and behavior of function
> > > splitting in gcc, like the following code:
>
Martin Jambor 于2023年10月3日周二 00:34写道：
>
> Hello,
>
> On Mon, Oct 02 2023, Hanke Zhang via Gcc wrote:
> > Hi, I have some questions about the strategy and behavior of function
> > splitting in gcc, like the following code:
> >
> > int glob;
> > void f() {
> > if (glob) {
> > printf("short path
Hello,
On Mon, Oct 02 2023, Hanke Zhang via Gcc wrote:
> Hi, I have some questions about the strategy and behavior of function
> splitting in gcc, like the following code:
>
> int glob;
> void f() {
> if (glob) {
> printf("short path\n");
> return;
> }
> // do lots of expensive thing
