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invoke.texi: Document -fsign-zero flag. 

2007-07-29  Jerry DeLisle  <jvdelisle@gcc.gnu.org>

	* invoke.texi: Document -fsign-zero flag.

From-SVN: r127051
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Jerry DeLisle 2007-07-29 21:30:51 +00:00
parent 603802e743
commit 0483c79f1f
2 changed files with 11 additions and 1 deletions
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gcc/fortran/ChangeLog
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@ -1,3 +1,7 @@
2007-07-29 Jerry DeLisle <jvdelisle@gcc.gnu.org>
* invoke.texi: Document -fsign-zero flag.
2007-07-29 Paul Thomas <pault@gcc.gnu.org> 2007-07-29 Paul Thomas <pault@gcc.gnu.org>
PR fortran/31211 PR fortran/31211

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gcc/fortran/invoke.texi
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@ -148,7 +148,7 @@ and warnings}.
@item Runtime Options @item Runtime Options
@xref{Runtime Options,,Options for influencing runtime behavior}. @xref{Runtime Options,,Options for influencing runtime behavior}.
@gccoptlist{-fconvert=@var{conversion} -frecord-marker=@var{length} @gol @gccoptlist{-fconvert=@var{conversion} -frecord-marker=@var{length} @gol
-fmax-subrecord-length=@var{length}} -fmax-subrecord-length=@var{length} -fsign-zero}
@item Code Generation Options @item Code Generation Options
@xref{Code Gen Options,,Options for code generation conventions}. @xref{Code Gen Options,,Options for code generation conventions}.
@ -660,6 +660,12 @@ with earlier versions of @command{gfortran}, use @option{-frecord-marker=8}.
Specify the maximum length for a subrecord. The maximum permitted Specify the maximum length for a subrecord. The maximum permitted
value for length is 2147483639, which is also the default. Only value for length is 2147483639, which is also the default. Only
really useful for use by the gfortran testsuite. really useful for use by the gfortran testsuite.
@item -fsign-zero
@opindex @code{fsign-zero}
When writing zero values, show the negative sign if the sign bit is set.
@code{fno-sign-zero} does not print the negative sign of zero values for
compatibility with F77. Default behavior is to show the negative sign.
@end table @end table
@node Code Gen Options @node Code Gen Options