gcc/fortran ChangeLog:
2019-05-22 Jeff Law <law@redhat.com>
Mark Eggleston <mark.eggleston@codethink.com>
PR fortran/89100
* gfortran.texi: Add Default widths for F, G and I format
descriptors to Extensions section.
* invoke.texi: Add -fdec-format-defaults
* io.c (check_format): Use default widths for i, f and g when
flag_dec_format_defaults is enabled.
* lang.opt: Add new option.
* options.c (set_dec_flags): Add SET_BITFLAG for
flag_dec_format_defaults.
gcc/testsuite ChangeLog:
2019-05-22 Mark Eggleston <mark.eggleston@codethink.com>
PR fortran/89100
* gfortran.dg/fmt_f_default_field_width_1.f90: New test.
* gfortran.dg/fmt_f_default_field_width_2.f90: New test.
* gfortran.dg/fmt_f_default_field_width_3.f90: New test.
* gfortran.dg/fmt_g_default_field_width_1.f90: New test.
* gfortran.dg/fmt_g_default_field_width_2.f90: New test.
* gfortran.dg/fmt_g_default_field_width_3.f90: New test.
* gfortran.dg/fmt_i_default_field_width_1.f90: New test.
* gfortran.dg/fmt_i_default_field_width_2.f90: New test.
* gfortran.dg/fmt_i_default_field_width_3.f90: New test.
libgfortran ChangeLog:
2019-05-22 Jeff Law <law@redhat.com>
PR fortran/89100
* io/format.c (parse_format_list): set default width when the
IOPARM_DT_DEC_EXT flag is set for i, f and g.
* io/io.h: add default_width_for_integer, default_width_for_float
and default_precision_for_float.
* io/write.c (write_boz): extra parameter giving length of data
corresponding to the type's kind.
(write_b): pass data length as extra parameter in calls to
write_boz.
(write_o): pass data length as extra parameter in calls to
write_boz.
(write_z): pass data length as extra parameter in calls to
write_boz.
(size_from_kind): also set size is default width is set.
* io/write_float.def (build_float_string): new paramter inserted
before result parameter. If default width use values passed
instead of the values in fnode.
(FORMAT_FLOAT): macro modified to check for default width and
calls to build_float_string to pass in default width.
(get_float_string): set width and precision to defaults when
needed.
From-SVN: r271511
88a8126a90