On Tue, Jul 29, 2025 at 11:26:40PM +0200, Georg-Johann Lay wrote: > Am 29.07.25 um 15:56 schrieb Stefan Schulze Frielinghaus: > > From: Stefan Schulze Frielinghaus <stefa...@gcc.gnu.org> > > > > Targets hppa, m68k, pdp11, rx, sh, vax do not default to LRA. Since old > > reload pass is still used, add option -mlra for those targets. > > > > For hppa, register 0 cannot be used as a general register. Therefore, > > use temporary registers r20 and r21 instead. > > > > gcc/testsuite/ChangeLog: > > > > * gcc.dg/asm-hard-reg-error-4.c: Add option -mlra for targets > > hppa, m68k, pdp11, rx, sh, vax. Use registers r20 and r21 for > > hppa. > > Same for avr: r0 and r1 are fixed there. All other regs 2..31 are fine. > (notice that int starts in an even register).
I will include #elif defined __AVR__ # define R0 "20" # define R1 "24" in order to tackle this. Thanks for letting me know. Cheers, Stefan
