Remove -mcall-aix option from RS6000 port

[Nick Clifton]

Hi Guys,

  I am applying the patch below, with approval from David Edelson, to
  remove the redundant -mcall-aix switch from the RS6000 port.  There
  were no regressions bootstrapping on AIX after applying the patch.

Cheers
        Nick

toplevel ChangeLog
2003-04-13  Nick Clifton  <nickc@redhat.com>

	* config-ml.in: Remove support for --disable-aix removing
          call-aix multilibs.

gcc/ChangeLog
2003-04-13  Nick Clifton  <nickc@redhat.com>

	* config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Delete
	support for -mcall-aix switch.
	* config/rs6000/eabiaix.h: Delete.
	* config/rs6000/rs6000.h (rs6000_abi): Remove ABI_AIX_NODESC.
        (RS6000_REG_SAVE, RS6000_SAVE_AREA, FP_ARGS_MAX_REG,
	RETURN_ADDRESS_OFFSET): Remove use of ABI_AIX_NODESC.
	* config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Likewise.
	* config/rs6000/rs6000.c (print_operand, rs6000_stack_info,
	debug_stack_info, output_function_profiler,
	rs6000_trampoline_size, rs6000_initialise_trampoline): Likewise.
	* config/rs6000/rs6000.md (call, call_value, call_nonlocal_sysv,
	call_indirect_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
        call_value_nonlocal_sysv, sibcall_value_nonlocal_sysv,
	sibcall_nonlocal_sysv, sibcall_value_local64): Likewise.
	* config/rs6000/t-ppcgas (MULTILIB_OPTIONS): Remove mcall-aix
	multilibs.
        (MULTILIB_DIRNAMES): Remove mcall-aix directories.
        (MULTILIB_EXCEPTIONS): Delete.
        (MULTILIB_MATCHES): Remove mcall-aix matches.

        * doc/fragments.texi: Replace -mcall-aix example with an ARM
	one.
        * doc/install.texi: Delete powerpc-*-eabiaix target.
        * doc/invoke.texi: Remove documentation of mcall-aix switch.
        * doc/tm.texi: Remove mcall-aix from example CPP_SPEC.
        * config.gcc: Delete powerpc-*-eabiaix target.

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