re PR rtl-optimization/39110 (Revision 143939 breaks bootstrap on Linux/ia64)

2009-02-05  Paolo Bonzini  <bonzini@gnu.org>

	PR rtl-optimization/39110
	* rtlanal.c (rtx_addr_can_trap_p_1): Shortcut unaligned
	addresses, not aligned ones.

From-SVN: r143971

gcc/ChangeLog

+2009-02-05  Paolo Bonzini  <bonzini@gnu.org>
+
+	PR rtl-optimization/39110
+	* rtlanal.c (rtx_addr_can_trap_p_1): Shortcut unaligned
+	addresses, not aligned ones.
+
 2009-02-05  Daniel Berlin  <dberlin@dberlin.org>
 	    Richard Guenther  <rguenther@suse.de>
 

gcc/rtlanal.c

@@ -282,7 +282,8 @@ rtx_addr_can_trap_p_1 (const_rtx x, HOST_WIDE_INT offset, HOST_WIDE_INT size,
 	actual_offset -= STACK_POINTER_OFFSET;
 #endif
 
-      return actual_offset % GET_MODE_SIZE (mode) != 0;
+      if (actual_offset % GET_MODE_SIZE (mode) != 0)
+	return 1;
     }
 
   switch (code)