aboutsummaryrefslogtreecommitdiff
diff options
context:
space:
mode:
authorJerry DeLisle <jvdelisle@gcc.gnu.org>2007-07-29 21:30:51 +0000
committerJerry DeLisle <jvdelisle@gcc.gnu.org>2007-07-29 21:30:51 +0000
commit0483c79f1f603ffb7adb234ba861b9fed198a937 (patch)
treec1d0301f8fa1d50e39a279414cee6dc3688d8296
parent603802e7431ff5c174e17dc04d49181945f997e1 (diff)
downloadgcc-0483c79f1f603ffb7adb234ba861b9fed198a937.zip
gcc-0483c79f1f603ffb7adb234ba861b9fed198a937.tar.gz
gcc-0483c79f1f603ffb7adb234ba861b9fed198a937.tar.bz2
invoke.texi: Document -fsign-zero flag.
2007-07-29 Jerry DeLisle <jvdelisle@gcc.gnu.org> * invoke.texi: Document -fsign-zero flag. From-SVN: r127051
-rw-r--r--gcc/fortran/ChangeLog4
-rw-r--r--gcc/fortran/invoke.texi8
2 files changed, 11 insertions, 1 deletions
diff --git a/gcc/fortran/ChangeLog b/gcc/fortran/ChangeLog
index 5f90ebc..6fda297 100644
--- a/gcc/fortran/ChangeLog
+++ b/gcc/fortran/ChangeLog
@@ -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
diff --git a/gcc/fortran/invoke.texi b/gcc/fortran/invoke.texi
index a7d2723..3064633 100644
--- a/gcc/fortran/invoke.texi
+++ b/gcc/fortran/invoke.texi
@@ -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