i386.c (ix86_output_function_epilogue): Don't insert a label at the end of an…

i386.c (ix86_output_function_epilogue): Don't insert a label at the end of an function under Mach-O.

	* config/i386/i386.c (ix86_output_function_epilogue): Don't
	insert a label at the end of an function under Mach-O.

From-SVN: r115079

gcc/ChangeLog

+2006-06-29  Asher Langton  <langton2@llnl.gov>
+
+	PR target/25765
+	* config/i386/i386.c (ix86_output_function_epilogue): Don't
+	insert a label at the end of an function under Mach-O.
+	
 2006-06-29  Eric Christopher  <echristo@apple.com>
 	    Evan Cheng  <evan.cheng@apple.com>
 

gcc/config/i386/i386.c

@@ -5700,6 +5700,23 @@ ix86_output_function_epilogue (FILE *file ATTRIBUTE_UNUSED,
 {
   if (pic_offset_table_rtx)
     REGNO (pic_offset_table_rtx) = REAL_PIC_OFFSET_TABLE_REGNUM;
+#if TARGET_MACHO
+  /* Mach-O doesn't support labels at the end of objects, so if
+     it looks like we might want one, insert a NOP.  */
+  {
+    rtx insn = get_last_insn ();
+    while (insn
+	   && NOTE_P (insn)
+	   && NOTE_LINE_NUMBER (insn) != NOTE_INSN_DELETED_LABEL)
+      insn = PREV_INSN (insn);
+    if (insn
+	&& (LABEL_P (insn)
+	    || (NOTE_P (insn)
+		&& NOTE_LINE_NUMBER (insn) == NOTE_INSN_DELETED_LABEL)))
+      fputs ("\tnop\n", file);
+  }
+#endif
+
 }
 
 /* Extract the parts of an RTL expression that is a valid memory address