diff options
Diffstat (limited to 'gcc/fortran/invoke.texi')
| -rw-r--r-- | gcc/fortran/invoke.texi | 36 |
1 files changed, 18 insertions, 18 deletions
diff --git a/gcc/fortran/invoke.texi b/gcc/fortran/invoke.texi index 376e9cc3101..e5b93902a38 100644 --- a/gcc/fortran/invoke.texi +++ b/gcc/fortran/invoke.texi @@ -119,7 +119,7 @@ by type. Explanations are in the following sections. -fdollar-ok -fimplicit-none -fmax-identifier-length @gol -std=@var{std} -ffixed-line-length-@var{n} -ffixed-line-length-none @gol --i8 -r8 -d8} +-fdefault-double-8 -fdefault-integer-8 -fdefault-real-8 } @item Warning Options @xref{Warning Options,,Options to Request or Suppress Warnings}. @@ -183,6 +183,23 @@ Specify the layout used by the the source file. The free form layout was introduced in Fortran 90. Fixed form was traditionally used in older Fortran programs. +@cindex option, -fdefault-double-8 +@cindex -fdefault-double-8, option +@item -fdefault-double-8 +Set the "DOUBLE PRECISION" type to an 8 byte wide. + +@cindex option, -fdefault-integer-8 +@cindex -fdefault-integer-8, option +@item -fdefault-integer-8 +Set the default integer and logical types to an 8 byte wide type. +Do nothing if this is already the default. + +@cindex option, -fdefault-real-8 +@cindex -fdefault-real-8, option +@item -fdefault-real-8 +Set the default real type to an 8 byte wide type. +Do nothing if this is already the default. + @cindex -fdollar-ok option @cindex options, -fdollar-ok @item -fdollar-ok @@ -233,23 +250,6 @@ Specify that no implicit typing is allowed, unless overridden by explicit Conform to the specified standard. Allowed values for @var{std} are @samp{gnu}, @samp{f95} and @samp{f90}. -@cindex option, -i8 -@cindex -i8, option -@cindex option, -r8 -@cindex -r8, option -@cindex option, -d8 -@cindex -d8, option -@item -i8 -@item -r8 -@item -d8 -The @option{-i8} and @option{-r8} options set the default @code{INTEGER} -and @code{REAL} kinds to @code{KIND=8}. The @option{-d8} option is -equivalent to specifying both @option{-i8} and @option{-r8}. - -When @option{-r8} is specified, the @code{DOUBLE PRECISION} kind is set -to @code{KIND=16} if the target supports a 16 byte floating point format. -If no such format exists, the @code{DOUBLE PRECISION} kind is unchanged. - @end table @node Warning Options |