From 0483c79f1f603ffb7adb234ba861b9fed198a937 Mon Sep 17 00:00:00 2001 From: Jerry DeLisle Date: Sun, 29 Jul 2007 21:30:51 +0000 Subject: [PATCH] invoke.texi: Document -fsign-zero flag. 2007-07-29 Jerry DeLisle * invoke.texi: Document -fsign-zero flag. From-SVN: r127051 --- gcc/fortran/ChangeLog | 4 ++++ gcc/fortran/invoke.texi | 8 +++++++- 2 files changed, 11 insertions(+), 1 deletion(-) diff --git a/gcc/fortran/ChangeLog b/gcc/fortran/ChangeLog index 5f90ebc83cf..6fda297ec33 100644 --- a/gcc/fortran/ChangeLog +++ b/gcc/fortran/ChangeLog @@ -1,3 +1,7 @@ +2007-07-29 Jerry DeLisle + + * invoke.texi: Document -fsign-zero flag. + 2007-07-29 Paul Thomas PR fortran/31211 diff --git a/gcc/fortran/invoke.texi b/gcc/fortran/invoke.texi index a7d27238cad..3064633cd50 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