re PR target/34970 (name mangling broken for __attributte__((fastcall)))

PR target/34970

gcc
	* config/i386/cygming.h (ASM_OUTPUT_LABELREF): Define.
testsuite
	* gcc.target/i386/fastcall-1.c: Scan for correct label.
	Use -std=gnu89 switch.

From-SVN: r131859

gcc/ChangeLog

+2008-01-26  Danny Smith  <dannysmith@users.sourceforge.net>
+
+	PR target/34970
+	* config/i386/cygming.h (ASM_OUTPUT_LABELREF): Define.
+
 2008-01-25  Joseph Myers  <joseph@codesourcery.com>
 
 	PR other/31955

gcc/config/i386/cygming.h

 /* Operating system specific defines to be used when targeting GCC for
    hosting on Windows32, using a Unix style C library and tools.
    Copyright (C) 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003,
-   2004, 2005, 2007
+   2004, 2005, 2007, 2008
    Free Software Foundation, Inc.
 
 This file is part of GCC.
@@ -197,6 +197,17 @@ do {							\
   ASM_OUTPUT_LABEL ((STREAM), (NAME));			\
 } while (0)
 
+/* Output a reference to a label. Fastcall function symbols
+   keep their '@' prefix, while other symbols are prefixed
+   with USER_LABEL_PREFIX.  */
+#undef ASM_OUTPUT_LABELREF
+#define  ASM_OUTPUT_LABELREF(STREAM, NAME)	\
+do {						\
+  if ((NAME)[0] != FASTCALL_PREFIX)		\
+    fputs (USER_LABEL_PREFIX, (STREAM));	\
+  fputs ((NAME), (STREAM));			\
+} while (0)
+
 
 /* Emit code to check the stack when allocating more than 4000
    bytes in one go.  */

gcc/testsuite/ChangeLog

+2008-01-26  Danny Smith  <dannysmith@users.sourceforge.net>
+
+	PR target/34970
+	* gcc.target/i386/fastcall-1.c: Scan for correct label.
+	Use -std=gnu89 switch.
+
 2008-01-25  Jerry DeLisle  <jvdelisle@gcc.gnu.org>
 
 	PR libfortran/34876

gcc/testsuite/gcc.target/i386/fastcall-1.c

 /* { dg-do compile { target i?86-*-mingw32* i?86-*-cygwin* } } */
+/* { dg-options "-std=gnu89" } */
 
 void
 __attribute__ ((fastcall))
@@ -15,3 +16,6 @@ f3() { }
 void
 __attribute__ ((fastcall))
 f4(int x, int y, int z) { }
+
+/* Scan for global label with correct prefix and suffix.  */
+/* { dg-final { scan-assembler "\.globl\[ \t\]@f4@12" } } */