* config/avr/avr-protos.h: (avr_output_ascii) Removed.
(avr_progmem_p): New prototype.
(output_movsisf): Prototype declaration changed.
(output_movqi): New prototype.
(output_movhi): New prototype.
(call_insn_operand): Likewise.
(final_prescan_insn): Likewise.
(avr_simplify_comparision_p): Likewise.
(avr_normalize_condition): Likewise.
(compare_eq_p): Likewise.
(out_shift_with_cnt): Likewise.
(const_int_pow2_p): Likewise.
(output_reload_inhi): Prototype declaration changed.
* config/avr/avr.c: (debug_hard_reg_set): Prototype declared.
(ldi_reg_rtx): New. rtx for r31.
(avr_init_stack): Initialize as "__stack".
(function_prologue): Use it.
Replace all TARGET_ENHANCED with AVR_ENHANCED.
(avr_mcu_name): Initialize as "avr2".
(avr_enhanced_p, avr_mega_p): New variables.
(mcu_types, avr_override_options): Handle all known MCU types.
Also handle avr1 (only preprocess, assemble and link).
(print_operand): Using of `%K' in output template removed.
(out_movqi_r_mr): Optimized.
(out_movhi_r_mr): Likewise.
(output_movqi): New function.
(output_movhi): Likewise.
(out_movsi_r_mr): Optimized.
(output_movsisf): Compute insn length for `adjust_insn_length'
(out_movqi_mr_r): Optimized.
(out_movhi_mr_r): Optimized.
(adjust_insn_length): Use output_movsisf, output_movqi,
output_movhi for insn length adjusting.
(reg_unused_after): Use dead_or_set_p.
(preferred_reload_class): Now havn't any restriction.
(reg_was_0): New function.
(io_address_p): Likewise.
(const_int_pow2_p): Likewise.
(output_reload_inhi): Likewise.
(output_reload_insisf): Likewise.
* config/avr/avr.h (MULTILIB_DEFAULTS): Define.
(LIB_SPEC): Use -lc for all supported devices.
(LIBGCC_SPEC): Use -lgcc for all supported devices.
(AVR_MEGA): Define as avr_mega_p.
(AVR_ENHANCED): New, define as avr_enhanced_p.
(TARGET_SWITCHES): Remove -menhanced, now handled by -mmcu=...
(CPP_SPEC, LINK_SPEC): Handle all known MCU types.
(CRT_BINUTILS_SPECS): Handle all known MCU types.
Rename gcrt1-*.o to make file names unique on 8.3 filesystems.
(EXTRA_SPECS): Add CPP_AVR[1-5]_SPEC.
(ASM_SPEC): Pass -mmcu=... to the assembler.
Change all -DAVR_* to -D__AVR_*__.
(INIT_TARGET_OPTABS), config/avr/libgcc.S:
Rename library functions to start with two underscores.
(ASM_OUTPUT_COMMON): Outputs `.comm VAR,VAR-SIZE,1' to avoid
alignment.
(ASM_WEAKEN_LABEL): Declared for __attribute__((weak)).
(SUPPORTS_WEAK): Likewise.
(LDI_REG_REGNO): New. Register r31 will be used as temporary
register for loading constants to r0-r14.
* config/avr/avr.md: Replace all TARGET_ENHANCED with
AVR_ENHANCED.
(*mov_r_sp): Removed. Handled by output_movhi.
(*mov_sp_r): Likewise.
(*mov_sp_r_no_interrupts): Likewise
(*mov_sp_r_tiny): Likewise.
(*movqi): Use output_movqi.
(*reload_inqi): New.
(*movhi): Use output_movhi.
(*reload_inhi): New.
(*negsi2): Optimized.
(*negsf2): Likewise.
Added peepholes (define_peephole2) for loading constants to r0-r14
and for using `cpse' command.
* config/avr/libgcc.S: Rename library functions to start with two
underscores.
Add support for enhanced core.
(_moqhi3): Fix typo, now _modqi3.
(__divsi_raw): Use __zero_reg__ as loop counter, smaller by 1 word.
(__prologue_saves__): Remove test for stack adjust by 0.
(__tablejump__): New.
* config/avr/t-avr: Build libgcc2 with -mcall-prologues.
Add multilib support.
From-SVN: r36047
