dwarf2.h (DW_EH_PE_aligned): New.
* dwarf2.h (DW_EH_PE_aligned): New.
* dwarf2asm.c (eh_data_format_name): Name it.
(dw2_asm_output_encoded_addr_rtx): Align for it.
* dwarf2out.c (output_call_frame_info): Handle it for personality
routine and LSDA pointers.
* unwind-pe.h (DW_EH_PE_aligned): New.
(base_of_encoded_value): Handle it.
(read_encoded_value_with_base): Likewise.
* unwind-dw2-fde.c (base_from_object): Likewise.
(get_cie_encoding): Likewise.
* config/alpha/elf.h: Remove ecoff commentary.
* config/alpha/osf.h (ASM_PREFERRED_EH_DATA_FORMAT): New.
From-SVN: r42926