avr.c (avr_current_arch): New variable.
* config/avr/avr.c (avr_current_arch): New variable. (avr_arch_types): Add 'avr31' and 'avr51' entries. (avr_arch): Add 'ARCH_AVR31' and 'ARCH_AVR51'. (avr_mcu_types): Add 'avr31' and 'avr51' architectures. (avr_override_options): Init 'avr_current_arch'. (base_arch_s): Move from here... * config/avr/avr.h (base_arch_s): ... here. Add new members 'have_elpm', 'have_elpmx', 'have_eijmp_eicall', 'reserved'. Rename 'mega' to 'have_jmp_call'. (TARGET_CPU_CPP_BUILTINS): Define "__AVR_HAVE_JMP_CALL__", "__AVR_HAVE_RAMPZ__", "__AVR_HAVE_ELPM__" and "__AVR_HAVE_ELPMX__" macros. (LINK_SPEC, CRT_BINUTILS_SPECS, ASM_SPEC): Add 'avr31' and 'avr51' architectures. * config/avr/t-avr (MULTILIB_OPTIONS, MULTILIB_DIRNAMES, MULTILIB_MATCHES): (Ditto.). From-SVN: r131759
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