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diff gcc/fwprop.c @ 131:84e7813d76e9

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gcc-8.2
author mir3636
date Thu, 25 Oct 2018 07:37:49 +0900
parents 04ced10e8804
children 1830386684a0
line wrap: on
line diff
--- a/gcc/fwprop.c	Fri Oct 27 22:46:09 2017 +0900
+++ b/gcc/fwprop.c	Thu Oct 25 07:37:49 2018 +0900
@@ -1,5 +1,5 @@
 /* RTL-based forward propagation pass for GNU compiler.
-   Copyright (C) 2005-2017 Free Software Foundation, Inc.
+   Copyright (C) 2005-2018 Free Software Foundation, Inc.
    Contributed by Paolo Bonzini and Steven Bosscher.
 
 This file is part of GCC.
@@ -1263,7 +1263,7 @@
   reg = DF_REF_REG (use);
   if (GET_CODE (reg) == SUBREG && GET_CODE (SET_DEST (def_set)) == SUBREG)
     {
-      if (SUBREG_BYTE (SET_DEST (def_set)) != SUBREG_BYTE (reg))
+      if (maybe_ne (SUBREG_BYTE (SET_DEST (def_set)), SUBREG_BYTE (reg)))
 	return false;
     }
   /* Check if the def had a subreg, but the use has the whole reg.  */