https://gcc.gnu.org/bugzilla/show_bug.cgi?id=55212
--- Comment #458 from John Paul Adrian Glaubitz <glaubitz at physik dot fu-berlin.de> --- OK, 51c41253e9ddd7457b4de710ea5271ef564833fd SH: Pin input args to hard-regs via predicates for sfuncs is required for 0853a85ba96fa8642aac5315812c26a41966fede SH: Try to reduce R0 live ranges.