diff options
| author | Joseph Myers <joseph@codesourcery.com> | 2007-11-08 03:08:48 +0300 |
|---|---|---|
| committer | Joseph Myers <joseph@codesourcery.com> | 2007-11-08 03:08:48 +0300 |
| commit | 33e178064d60605b4ed0df0c907c9939872fc8a9 (patch) | |
| tree | e3ec40bb702388d7983776e686c8e1cc4d94c50a /include | |
| parent | 7b4cad4ae63d46eb8277ba409fbe8eaa02cfcd88 (diff) | |
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.
Diffstat (limited to 'include')
| -rw-r--r-- | include/ChangeLog | 6 | ||||
| -rw-r--r-- | include/floatformat.h | 9 |
2 files changed, 15 insertions, 0 deletions
diff --git a/include/ChangeLog b/include/ChangeLog index f3dc43334..1bde4c5b6 100644 --- a/include/ChangeLog +++ b/include/ChangeLog @@ -1,3 +1,9 @@ +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. + 2007-11-05 Danny Smith <dannysmith@users.sourceforge.net> * coff/pe.h (COFF_ENCODE_ALIGNMENT) Define. diff --git a/include/floatformat.h b/include/floatformat.h index f1bd7f601..c5f60a3cd 100644 --- a/include/floatformat.h +++ b/include/floatformat.h @@ -85,6 +85,13 @@ struct floatformat /* Validator method. */ int (*is_valid) (const struct floatformat *fmt, const void *from); + + /* Is the format actually the sum of two smaller floating point + formats (IBM long double, as described in + gcc/config/rs6000/darwin-ldouble-format)? If so, this is the + smaller format in question, and the fields sign_start through + intbit describe the first half. If not, this is NULL. */ + const struct floatformat *split_half; }; /* floatformats for IEEE single and double, big and little endian. */ @@ -118,6 +125,8 @@ extern const struct floatformat floatformat_ia64_spill_big; extern const struct floatformat floatformat_ia64_spill_little; extern const struct floatformat floatformat_ia64_quad_big; extern const struct floatformat floatformat_ia64_quad_little; +/* IBM long double (double+double). */ +extern const struct floatformat floatformat_ibm_long_double; /* Convert from FMT to a double. FROM is the address of the extended float. |