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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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4
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>
PR fortran/31211

8
gcc/fortran/invoke.texi
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@ -148,7 +148,7 @@ and warnings}.
@item Runtime Options
@xref{Runtime Options,,Options for influencing runtime behavior}.
@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
@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
value for length is 2147483639, which is also the default. Only
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
@node Code Gen Options