Commit Graph

2 Commits

Author SHA1 Message Date
Steven G. Kargl
4010308ce5 spacing.m4: Use scalbn[f,l] if ldexp[f,l] is unavailable.
2006-10-13  Steven G. Kargl  <kargl@gcc.gnu.org>

        * m4/spacing.m4: Use scalbn[f,l] if ldexp[f,l] is unavailable.
        * m4/rrspacing.m4: Ditto.
        * generated/spacing_r4.c: Regenerated.
        * generated/spacing_r8.c: Ditto.
        * generated/spacing_r10.c: Ditto.
        * generated/spacing_r16.c: Ditto.
        * generated/rrspacing_r4.c: Ditto.
        * generated/rrspacing_r8.c: Ditto.
        * generated/rrspacing_r10.c: Ditto.
        * generated/rrspacing_r16.c: Ditto.

From-SVN: r117703
2006-10-13 19:08:37 +00:00
Steven G. Kargl
cc6d3bde5a re PR fortran/15441 (RRSPACING broken for denormals)
2006-10-06  Steven G. Kargl  <kargl@gcc.gnu.org>
 
	* gfortran.h: Define GFC_MPFR_TOO_OLD via mpfr version info.
	* arith.c (arctangent, gfc_check_real_range): Use it.	
	* simplify.c (gfc_simplify_atan2, gfc_simplify_exponent,
	gfc_simplify_log, gfc_simplify_nearest): Use it.

	PR fortran/15441
	PR fortran/29312
	* iresolve.c (gfc_resolve_rrspacing): Give rrspacing library
	routine hidden precision argument.
	(gfc_resolve_spacing): Give spacing library routine hidden
	precision, emin - 1, and tiny(x) arguments.
	* simplify.c (gfc_simplify_nearest): Remove explicit subnormalization.
	(gfc_simplify_rrspacing): Implement formula from Fortran 95 standard.
	(gfc_simplify_spacing): Implement formula from Fortran 2003 standard.
	* trans-intrinsic.c (gfc_intrinsic_map_t) Declare rrspacing and
	spacing via LIBF_FUNCTION
	(prepare_arg_info, call_builtin_clz, gfc_conv_intrinsic_spacing,
	gfc_conv_intrinsic_rrspacing): Remove functions.
	(gfc_conv_intrinsic_function): Remove calls to
	gfc_conv_intrinsic_spacing and gfc_conv_intrinsic_rrspacing.
	* f95-lang.c (gfc_init_builtin_functions): Remove __builtin_clz,
	__builtin_clzl and __builtin_clzll


2006-10-06  Steven G. Kargl  <kargl@gcc.gnu.org>

	PR fortran/15441
	PR fortran/29312
	* configure.ac: Add HAVE_LDEXPF, HAVE_LDEXP, and HAVE_LDEXPL
	* m4/spacing.m4: New file.  Use new HAVE_* defines.
	* m4/rrspacing.m4: Ditto.
	* Makefile.am: Handle new files.
	* configure: Regenerated.
	* Makefile.in: Ditto.
	* config.h.in: Ditto.
	* generated/spacing_r4.c: Generated.
	* generated/spacing_r8.c: Ditto.
	* generated/spacing_r10.c: Ditto.
	* generated/spacing_r16.c: Ditto.
	* generated/rrspacing_r4.c: Ditto.
	* generated/rrspacing_r8.c: Ditto.
	* generated/rrspacing_r10.c: Ditto.
	* generated/rrspacing_r16.c: Ditto.

From-SVN: r117584
2006-10-09 20:55:29 +00:00