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2006-10-13spacing.m4: Use scalbn[f,l] if ldexp[f,l] is unavailable.Steven G. Kargl1-1/+5
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
2006-10-09re PR fortran/15441 (RRSPACING broken for denormals)Steven G. Kargl1-0/+54
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