diff options
| author | jsm28 <jsm28@138bc75d-0d04-0410-961f-82ee72b054a4> | 2007-11-08 00:08:02 +0000 |
|---|---|---|
| committer | jsm28 <jsm28@138bc75d-0d04-0410-961f-82ee72b054a4> | 2007-11-08 00:08:02 +0000 |
| commit | 4d403838764175e076f8fe4815db2853d7c0f36b (patch) | |
| tree | 2718810d3dbd721573771aeedc82387f62a2e273 /include | |
| parent | f5ef996258725dd451733c21e2bba88c87019646 (diff) | |
| download | gcc-4d403838764175e076f8fe4815db2853d7c0f36b.tar.gz | |
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.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@129977 138bc75d-0d04-0410-961f-82ee72b054a4
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 13542ee97ae..7ea34d2d9c1 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. + 2007-09-06 Tom Tromey <tromey@redhat.com> * libiberty.h (pex_free): Document process killing. diff --git a/include/floatformat.h b/include/floatformat.h index f1bd7f601f5..c5f60a3cd93 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. |