$NetBSD: patch-aa,v 1.2 2012/12/24 21:13:28 joerg Exp $

--- src/misc/misc.h.orig	2004-04-13 12:45:19.000000000 +0000
+++ src/misc/misc.h
@@ -32,7 +32,7 @@
 /*
  * Hamming weight (number of bits that are ones).
  */
-extern inline unsigned int hweight32(unsigned int w) 
+__attribute__((gnu_inline)) extern inline unsigned int hweight32(unsigned int w) 
 {
 	w = (w & 0x55555555) + ((w >>  1) & 0x55555555);
 	w = (w & 0x33333333) + ((w >>  2) & 0x33333333);
@@ -42,7 +42,7 @@ extern inline unsigned int hweight32(uns
 	return w;
 }
 
-extern inline unsigned int hweight16(unsigned short w)
+__attribute__((gnu_inline)) extern inline unsigned int hweight16(unsigned short w)
 {
 	w = (w & 0x5555) + ((w >> 1) & 0x5555);
 	w = (w & 0x3333) + ((w >> 2) & 0x3333);
@@ -51,7 +51,7 @@ extern inline unsigned int hweight16(uns
 	return w;
 }
 
-extern inline unsigned int hweight8(unsigned char w)
+__attribute__((gnu_inline)) extern inline unsigned int hweight8(unsigned char w)
 {
 	w = (w & 0x55) + ((w >> 1) & 0x55);
 	w = (w & 0x33) + ((w >> 2) & 0x33);
@@ -64,7 +64,7 @@ extern inline unsigned int hweight8(unsi
 /*
  * Parity function. Return one if `w' has odd number of ones, zero otherwise.
  */
-extern inline int parity(unsigned int w)
+__attribute__((gnu_inline)) extern inline int parity(unsigned int w)
 {
 	return hweight32(w) & 1;
 }
@@ -74,7 +74,7 @@ extern inline int parity(unsigned int w)
 /*
  * Reverse order of bits.
  */
-extern inline unsigned int rbits32(unsigned int w)
+__attribute__((gnu_inline)) extern inline unsigned int rbits32(unsigned int w)
 {
 	w = ((w >>  1) & 0x55555555) | ((w <<  1) & 0xAAAAAAAA);
 	w = ((w >>  2) & 0x33333333) | ((w <<  2) & 0xCCCCCCCC);
@@ -84,7 +84,7 @@ extern inline unsigned int rbits32(unsig
 	return w;
 }
 
-extern inline unsigned short rbits16(unsigned short w)
+__attribute__((gnu_inline)) extern inline unsigned short rbits16(unsigned short w)
 {
 	w = ((w >> 1) & 0x5555) | ((w << 1) & 0xAAAA);
 	w = ((w >> 2) & 0x3333) | ((w << 2) & 0xCCCC);
@@ -93,7 +93,7 @@ extern inline unsigned short rbits16(uns
 	return w;
 }
 
-extern inline unsigned char rbits8(unsigned char w)
+__attribute__((gnu_inline)) extern inline unsigned char rbits8(unsigned char w)
 {
 	w = ((w >> 1) & 0x55) | ((w << 1) & 0xFF);
 	w = ((w >> 2) & 0x33) | ((w << 2) & 0xCC);
@@ -104,28 +104,9 @@ extern inline unsigned char rbits8(unsig
 /* ---------------------------------------------------------------------- */
 
 /*
- * Integer base-2 logarithm
- */
-extern inline int log2(unsigned int x)
-{
-	int y = 0;
-
-	x >>= 1;
-
-	while (x) {
-		x >>= 1;
-		y++;
-	}
-
-	return y;
-}
-
-/* ---------------------------------------------------------------------- */
-
-/*
  * Gray encoding and decoding (8 bit)
  */
-extern inline unsigned char grayencode(unsigned char data)
+__attribute__((gnu_inline)) extern inline unsigned char grayencode(unsigned char data)
 {
 	unsigned char bits = data;
 
@@ -140,7 +121,7 @@ extern inline unsigned char grayencode(u
 	return bits;
 }
 
-extern inline unsigned char graydecode(unsigned char data)
+__attribute__((gnu_inline)) extern inline unsigned char graydecode(unsigned char data)
 {
 	return data ^ (data >> 1);
 }
@@ -150,7 +131,7 @@ extern inline unsigned char graydecode(u
 /*
  * Hamming window function
  */
-extern inline double hamming(double x)
+__attribute__((gnu_inline)) extern inline double hamming(double x)
 {
         return 0.54 - 0.46 * cos(2 * M_PI * x);
 }
@@ -160,26 +141,26 @@ extern inline double hamming(double x)
 /*
  * Sinc etc...
  */
-extern inline double sinc(double x)
+__attribute__((gnu_inline)) extern inline double sinc(double x)
 {
 	return (fabs(x) < 1e-10) ? 1.0 : (sin(M_PI * x) / (M_PI * x));
 }
 
-extern inline double cosc(double x)
+__attribute__((gnu_inline)) extern inline double cosc(double x)
 {
 	return (fabs(x) < 1e-10) ? 0.0 : ((1.0 - cos(M_PI * x)) / (M_PI * x));
 }
 
 /* ---------------------------------------------------------------------- */
 
-extern inline float clamp(float x, float min, float max)
+__attribute__((gnu_inline)) extern inline float clamp(float x, float min, float max)
 {
 	return (x < min) ? min : ((x > max) ? max : x);
 }
 
 /* ---------------------------------------------------------------------- */
 
-extern inline float decayavg(float average, float input, float weight)
+__attribute__((gnu_inline)) extern inline float decayavg(float average, float input, float weight)
 {
 	return input * (1.0 / weight) + average * (1.0 - (1.0 / weight));
 }