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diff gcc/rtlhooks.c @ 132:d34655255c78

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update gcc-8.2
author mir3636
date Thu, 25 Oct 2018 10:21:07 +0900
parents 84e7813d76e9
children 1830386684a0
line wrap: on
line diff
--- a/gcc/rtlhooks.c	Thu Oct 25 08:08:40 2018 +0900
+++ b/gcc/rtlhooks.c	Thu Oct 25 10:21:07 2018 +0900
@@ -1,5 +1,5 @@
 /* Generic hooks for the RTL middle-end.
-   Copyright (C) 2004-2017 Free Software Foundation, Inc.
+   Copyright (C) 2004-2018 Free Software Foundation, Inc.
 
 This file is part of GCC.
 
@@ -70,7 +70,7 @@
 	  && !reload_completed)
 	return gen_lowpart_general (mode, force_reg (xmode, x));
 
-      HOST_WIDE_INT offset = byte_lowpart_offset (mode, GET_MODE (x));
+      poly_int64 offset = byte_lowpart_offset (mode, GET_MODE (x));
       return adjust_address (x, mode, offset);
     }
 }
@@ -115,7 +115,7 @@
   else if (MEM_P (x))
     {
       /* This is the only other case we handle.  */
-      HOST_WIDE_INT offset = byte_lowpart_offset (mode, GET_MODE (x));
+      poly_int64 offset = byte_lowpart_offset (mode, GET_MODE (x));
       rtx new_rtx = adjust_address_nv (x, mode, offset);
       if (! memory_address_addr_space_p (mode, XEXP (new_rtx, 0),
 					 MEM_ADDR_SPACE (x)))
@@ -123,9 +123,9 @@
 
       return new_rtx;
     }
-  else if (mode != GET_MODE (x) && GET_MODE (x) != VOIDmode
+  else if (mode != GET_MODE (x) && GET_MODE (x) != VOIDmode && !SUBREG_P (x)
 	   && validate_subreg (mode, GET_MODE (x), x,
-			        subreg_lowpart_offset (mode, GET_MODE (x))))
+			       subreg_lowpart_offset (mode, GET_MODE (x))))
     return gen_lowpart_SUBREG (mode, x);
   else
     return 0;