Mercurial > hg > CbC > CbC_gcc

diff gcc/hwint.h @ 131:84e7813d76e9

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
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/hwint.h	Fri Oct 27 22:46:09 2017 +0900
+++ b/gcc/hwint.h	Thu Oct 25 07:37:49 2018 +0900
@@ -1,5 +1,5 @@
 /* HOST_WIDE_INT definitions for the GNU compiler.
-   Copyright (C) 1998-2017 Free Software Foundation, Inc.
+   Copyright (C) 1998-2018 Free Software Foundation, Inc.
 
    This file is part of GCC.
 
@@ -14,6 +14,7 @@
 #define HOST_BITS_PER_SHORT (CHAR_BIT * SIZEOF_SHORT)
 #define HOST_BITS_PER_INT   (CHAR_BIT * SIZEOF_INT)
 #define HOST_BITS_PER_LONG  (CHAR_BIT * SIZEOF_LONG)
+#define HOST_BITS_PER_PTR   (CHAR_BIT * SIZEOF_VOID_P)
 
 /* The string that should be inserted into a printf style format to
    indicate a "long" operand.  */
@@ -241,7 +242,7 @@
 static inline int
 ceil_log2 (unsigned HOST_WIDE_INT x)
 {
-  return floor_log2 (x - 1) + 1;
+  return x == 0 ? 0 : floor_log2 (x - 1) + 1;
 }
 
 static inline int