+/*
+ * This file is part of cparser.
+ * Copyright (C) 2007-2008 Matthias Braun <matze@braunis.de>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
+ * 02111-1307, USA.
+ */
+
/**
* @file
* @date 28.9.2004
*
* @note See hacker's delight, page 27.
*/
-static INLINE __attribute__((const))
+static inline __attribute__((const))
int add_saturated(int x, int y)
{
int sum = x + y;
* @param x A 32-bit word.
* @return The number of bits set in x.
*/
-static INLINE __attribute__((const))
+static inline __attribute__((const))
unsigned popcnt(unsigned x) {
x -= ((x >> 1) & 0x55555555);
x = (x & 0x33333333) + ((x >> 2) & 0x33333333);
* @param x The word.
* @return The number of leading (from the most significant bit) zeros.
*/
-static INLINE __attribute__((const))
+static inline __attribute__((const))
unsigned nlz(unsigned x) {
#ifdef USE_X86_ASSEMBLY
unsigned res;
* @param x The word.
* @return The number of trailing zeros.
*/
-static INLINE __attribute__((const))
+static inline __attribute__((const))
unsigned ntz(unsigned x) {
#ifdef USE_X86_ASSEMBLY
unsigned res;
* @remark x has to be <= 0x8000000 of course
* @note see hackers delight power-of-2 boundaries, page 48
*/
-static INLINE __attribute__((const))
+static inline __attribute__((const))
unsigned ceil_po2(unsigned x)
{
if(x == 0)
/**
* Tests whether @p x is a power of 2
*/
-static INLINE __attribute__((const))
+static inline __attribute__((const))
int is_po2(unsigned x)
{
return (x & (x-1)) == 0;