On 2 February 2024 00:02:54 CET, "H.J. Lu" <hjl.to...@gmail.com> wrote: >On Thu, Feb 1, 2024 at 10:32 AM Jakub Jelinek <ja...@redhat.com> wrote: >> >> On Thu, Feb 01, 2024 at 10:15:30AM -0800, H.J. Lu wrote: >> > --- a/gcc/config/i386/i386.cc >> > +++ b/gcc/config/i386/i386.cc >> > @@ -22749,6 +22749,31 @@ current_fentry_section (const char **name) >> > return true; >> > } >> > >> > +/* Return an unused caller-saved register at entry for profile. */ >> > + >> > +static int >> > +x86_64_select_profile_regnum (bool r11_ok ATTRIBUTE_UNUSED) >> > +{ >> > + int i; >> >> Why not just return R10_REG here if flag_entry != 0 (i.e. keep existing >> behavior unless emitting profiler after prologue)? > >Fixed in v2.
Nit: r10_ok is now superfluous, but lets wait for Jakub. thanks