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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.
This commit is contained in:
Joseph Myers 2007-11-08 00:08:48 +00:00
parent 7b4cad4ae6
commit 33e178064d
2 changed files with 15 additions and 0 deletions
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6
include/ChangeLog
View File

@ -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.

9
include/floatformat.h
View File

@ -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.