> Hi, > > The gcc.c-torture/execute/nestfunc-3.c test fails on a private target. I > suspect this is because the STATIC_CHAIN_REGNUM, which is not a call > used register, is used by the caller function (main), modified by the > trampoline, but not restored upon nested function return. > > Should the STATIC_CHAIN_REGNUM be defined so that > CALL_USED_REGISTERS[STATIC_CHAIN_REGNUM] == 0? The question is rather: Should the STATIC_CHAIN_REGNUM be defined so that CALL_USED_REGISTERS[STATIC_CHAIN_REGNUM] == 1? Or is it possible to make nested functions work if CALL_USED_REGISTERS[STATIC_CHAIN_REGNUM] == 0? Thanks Aurélien
