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* config/ia64/ia64.c: Include libfuncs.h. (TARGET_PROMOTE_FUNCITON_MODE): Define target macro. (ia64_expand_call): Use reg 25 on VMS. (ia64_initialize_trampoline): Fix for VMS ABI. (ia64_function_arg_offset): Always returns 0 when TARGET_ABI_OPEN_VMS. (ia64_function_arg): Initialize reg 25 on VMS. Fix OpenVMS ABI issues for varargs. For OpenVMS, emit the Argument Information register set in the incoming/sibcall case as well. (ia64_arg_type): New function. (ia64_function_arg_advance): Keep track of cum->words. Fix OpenVMS ABI issues for varargs. (ia64_function_value): On VMS, promote mode of non-aggregate types. (ia64_override_options): Set flag_no_common on VMS. (ia64_init_builtins): Disable FWRITE builtin. (ia64_asm_output_external): Call DO_CRTL_NAMES. (ia64_vms_init_libfuncs): Add decc$ routines. (ia64_vms_valid_pointer_mode): New function. (ia64_struct_value_rtx): Allways NULL_RTX on VMS. (ia64_promote_function_mode): New function * config/ia64/ia64.h (TARGET_ABI_OPEN_VMS): Define as 0 for default. (LONG_DOUBLE_TYPE_SIZE): Force to 64 on VMS. (LIBCGC2_LONG_DOUBLE_TYPE_SIZE): Likewise. (INIT_CUMULATIVE_ARGS): Add atypes for VMS. (INIT_CUMULATIVE_INCOMING_ARGS): Likewise. (ASM_OUTPUT_DEF): Use ISDIGIT instead of isdigit. Suppress trailing '#' if VALUE is numeric. * config/ia64/vms.h (PROMOTE_FUNCTION_MODE): Remove, code moved to ia64_promote_function_mode. (TARGET_VALID_POINTER_MODE): Define. Co-Authored-By: Olivier Hainque <hainque@adacore.com> From-SVN: r151009
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