Re: as is: mips-tdep long doubles...

[Joel Brobecker <brobecker at adacore dot com>]

> Attached is a patch that might be interesting to people who are still
> running GDB on mips-irix... As the FIXME suggests, it is not perfect,
> but it helps. Since I will probably never find the time to improve it,
> I thought I'd just publish the patch here, in case someone could use it
> too.

Please ignore this. It was sent by my evil twin.

I think that the following patch takes care of everything (the diff
I sent wasn't even connecting the new definitions):

commit a14ee758af464230ab40c1a0d9adb4c7db34a9fc
Author: Joseph Myers <jsm@polyomino.org.uk>
Date:   Thu Nov 8 00:08:48 2007 +0000

    include:
    2007-11-07  Joseph Myers  <joseph@codesourcery.com>
            Daniel Jacobowitz  <dan@codesourcery.com>
    
        * floatformat.h (struct floatformat): Add split_half field.
        (floatformat_ibm_long_double): New.
    
    libiberty:
    2007-11-07  Joseph Myers  <joseph@codesourcery.com>
            Daniel Jacobowitz  <dan@codesourcery.com>
    
        * floatformat.c (mant_bits_set): New.
        (floatformat_to_double): Use it.  Note no special handling of
        split formats.
        (floatformat_from_double): Note no special handing of split
        formats.
        (floatformat_ibm_long_double_is_valid,
        floatformat_ibm_long_double): New.
        (floatformat_ieee_single_big, floatformat_ieee_single_little,
        floatformat_ieee_double_big, floatformat_ieee_double_little,
        floatformat_ieee_double_littlebyte_bigword, floatformat_vax_f,
        floatformat_vax_d, floatformat_vax_g, floatformat_i387_ext,
        floatformat_m68881_ext, floatformat_i960_ext,
        floatformat_m88110_ext, floatformat_m88110_harris_ext,
        floatformat_arm_ext_big, floatformat_arm_ext_littlebyte_bigword,
        floatformat_ia64_spill_big, floatformat_ia64_spill_little,
        floatformat_ia64_quad_big, floatformat_ia64_quad_little): Update
        for addition of split_half field.
    
    gdb:
    2007-11-07  Joseph Myers  <joseph@codesourcery.com>
            Daniel Jacobowitz  <dan@codesourcery.com>
    
        * gdbtypes.c (floatformats_ibm_long_double): New.
        * gdbtypes.h (floatformats_ibm_long_double): Declare.
        * ia64-tdep.c (floatformat_ia64_ext): Update for addition of
        split_half field.
        * mips-tdep.c (n32n64_floatformat_always_valid,
        floatformat_n32n64_long_double_big, floatformats_n32n64_long):
        Remove.
        (mips_gdbarch_init): Use floatformats_ibm_long_double instead of
        floatformats_n32n64_long.
        * ppc-linux-tdep.c (ppc_linux_init_abi): Use 128-bit IBM long
        double.
        * doublest.c (convert_floatformat_to_doublest,
        convert_doublest_to_floatformat): Handle split floating-point
        formats.
        * ppc-sysv-tdep.c (ppc_sysv_abi_push_dummy_call): Handle IBM long
        double arguments.
        (ppc64_sysv_abi_push_dummy_call): Likewise.
        (do_ppc_sysv_return_value): Handle IBM long double return.



-- 
Joel