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authorJoseph Myers <joseph@codesourcery.com>2007-11-08 00:08:48 +0000
committerJoseph Myers <joseph@codesourcery.com>2007-11-08 00:08:48 +0000
commitb14d30e141e438bf7caebb1925569510eae049d7 (patch)
tree61e4f7993a702a3ec527bda64b5ccda54ca8ee7f /include
parent5d324c3ec4090c667b24441e3a5653f1dfd8e261 (diff)
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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/ChangeLog6
-rw-r--r--include/floatformat.h9
2 files changed, 15 insertions, 0 deletions
diff --git a/include/ChangeLog b/include/ChangeLog
index f3dc433..1bde4c5 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 f1bd7f6..c5f60a3 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.