dse.c (find_shift_sequence): New function.

2007-09-13  Eric Christopher  <echristo@apple.com>
	    Kenneth Zadeck <zadeck@naturalbridge.com>

	* dse.c (find_shift_sequence): New function.
	(replace_read): Add case to remove read if it requires shift.
	* config/i386/i386.c (ix86_expand_prologue): Fixed typo in comment.
	


Co-Authored-By: Kenneth Zadeck <zadeck@naturalbridge.com>

From-SVN: r128481

gcc/ChangeLog

+2007-09-13  Eric Christopher  <echristo@apple.com>
+	    Kenneth Zadeck <zadeck@naturalbridge.com>
+
+	* dse.c (find_shift_sequence): New function.
+	(replace_read): Add case to remove read if it requires shift.
+	* config/i386/i386.c (ix86_expand_prologue): Fixed typo in comment.
+	
 2007-09-13  Tom Tromey  <tromey@redhat.com>
 
 	* c-common.c (fname_as_string): Update.

gcc/config/i386/i386.c

@@ -6384,7 +6384,7 @@ ix86_expand_prologue (void)
         insn = emit_insn (gen_set_got (pic_offset_table_rtx));
     }
 
-  /* Prevent function calls from be scheduled before the call to mcount.
+  /* Prevent function calls from being scheduled before the call to mcount.
      In the pic_reg_used case, make sure that the got load isn't deleted.  */
   if (current_function_profile)
     {