1 files changed, 76 insertions, 0 deletions
diff --git a/gcc/opt-functions.awk b/gcc/opt-functions.awk
new file mode 100644
index 00000000000..a21f29d4b12
--- /dev/null
+++ b/gcc/opt-functions.awk
@@ -0,0 +1,76 @@
+#  Copyright (C) 2003,2004 Free Software Foundation, Inc.
+#  Contributed by Kelley Cook, June 2004.
+#  Original code from Neil Booth, May 2003.
+#
+# This program is free software; you can redistribute it and/or modify it
+# under the terms of the GNU General Public License as published by the
+# Free Software Foundation; either version 2, or (at your option) any
+# later version.
+# 
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+# 
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+
+# Some common subroutines for use by opt[ch]-gen.awk.
+
+function switch_flags (flags)
+{
+	flags = " " flags " "
+	result = "0"
+	for (j = 0; j < n_langs; j++) {
+		regex = " " langs[j] " "
+		gsub ( "\\+", "\\+", regex )
+		if (flags ~ regex)
+			result = result " | " macros[j]
+	}
+	if (flags ~ " Common ") result = result " | CL_COMMON"
+	if (flags ~ " Joined ") result = result " | CL_JOINED"
+	if (flags ~ " JoinedOrMissing ") \
+	    result = result " | CL_JOINED | CL_MISSING_OK"
+	if (flags ~ " Separate ") result = result " | CL_SEPARATE"
+	if (flags ~ " RejectNegative ") result = result " | CL_REJECT_NEGATIVE"
+	if (flags ~ " UInteger ") result = result " | CL_UINTEGER"
+	if (flags ~ " Undocumented ") result = result " | CL_UNDOCUMENTED"
+	if (flags ~ " Report ") result = result " | CL_REPORT"
+	sub( "^0 \\| ", "", result )
+	return result
+}
+
+function var_args(flags)
+{
+	if (flags !~ "Var\\(")
+	    return ""
+	sub(".*Var\\(", "", flags)
+	sub("\\).*", "", flags)
+
+	return flags
+}
+function var_name(flags)
+{
+	s = var_args(flags)
+	if (s == "")
+		return "";
+	sub( ",.*", "", s)
+	return s
+}
+function var_set(flags)
+{
+	s = var_args(flags)
+	if (s !~ ",")
+		return "0, 0"
+	sub( "[^,]*,", "", s)
+	return "1, " s
+}
+function var_ref(flags)
+{
+	name = var_name(flags)
+	if (name == "")
+		return "0"
+	else
+		return "&" name
+}