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authorBernhard Rosenkraenzer <Bernhard.Rosenkranzer@linaro.org>2012-10-23 01:39:53 +0159
committerBernhard Rosenkraenzer <Bernhard.Rosenkranzer@linaro.org>2012-10-23 01:39:53 +0159
commit7d3ad0b7c65dc67005141011191b494d0644fdb6 (patch)
tree77fa03ebcefe174abeaef371e7fb332b2d928284 /gcc/doc/options.texi
parentbef1806104660f757f0df78f0c90f6cd3460a157 (diff)
downloadgcc-aarch64-7d3ad0b7c65dc67005141011191b494d0644fdb6.tar.gz
Sync with svn rev. 192688HEADmaster
Signed-off-by: Bernhard Rosenkraenzer <Bernhard.Rosenkranzer@linaro.org>
Diffstat (limited to 'gcc/doc/options.texi')
-rw-r--r--gcc/doc/options.texi21
1 files changed, 14 insertions, 7 deletions
diff --git a/gcc/doc/options.texi b/gcc/doc/options.texi
index 9c004c8cd..f6a31f8d4 100644
--- a/gcc/doc/options.texi
+++ b/gcc/doc/options.texi
@@ -343,8 +343,8 @@ for the option. If the option is attached to @samp{target_flags},
the script will set the macro @code{MASK_@var{name}} to the appropriate
bitmask. It will also declare a @code{TARGET_@var{name}} macro that has
the value 1 when the option is active and 0 otherwise. If you use @code{Var}
-to attach the option to a different variable, the associated macros are
-called @code{OPTION_MASK_@var{name}} and @code{OPTION_@var{name}} respectively.
+to attach the option to a different variable, the bitmask macro with be
+called @code{OPTION_MASK_@var{name}}.
@item InverseMask(@var{othername})
@itemx InverseMask(@var{othername}, @var{thisname})
@@ -460,14 +460,21 @@ value of @option{-fmath-errno} for languages that do not use
@code{errno}.
@item EnabledBy(@var{opt})
-If not explicitly set, the option is set to the value of @option{-@var{opt}}.
+@itemx EnabledBy(@var{opt} && @var{opt2})
+If not explicitly set, the option is set to the value of
+@option{-@var{opt}}. The second form specifies that the option is
+only set if both @var{opt} and @var{opt2} are set.
@item LangEnabledBy(@var{language}, @var{opt})
+@itemx LangEnabledBy(@var{language}, @var{opt}, @var{posarg}, @var{negarg})
When compiling for the given language, the option is set to the value
-of @option{-@var{opt}}, if not explicitly set. It is possible to
-specify several different languages. Each @var{language} must have
-been declared by an earlier @code{Language} record. @xref{Option file
-format}.
+of @option{-@var{opt}}, if not explicitly set. In the second form, if
+@var{opt} is used in the positive form then @var{posarg} is considered
+to be passed to the option, and if @var{opt} is used in the negative
+form then @var{negarg} is considered to be passed to the option. It
+is possible to specify several different languages. Each
+@var{language} must have been declared by an earlier @code{Language}
+record. @xref{Option file format}.
@item NoDWARFRecord
The option is omitted from the producer string written by