+diff -ruN valgrind-2.1.0./include/linux/compiler-gcc2.h valgrind-2.1.0/include/linux/compiler-gcc2.h
+--- valgrind-2.1.0./include/linux/compiler-gcc2.h 1970-01-01 01:00:00.000000000 +0100
++++ valgrind-2.1.0/include/linux/compiler-gcc2.h 2004-01-09 08:00:12.000000000 +0100
+@@ -0,0 +1,23 @@
++/* Never include this file directly. Include <linux/compiler.h> instead. */
++
++/* These definitions are for GCC v2.x. */
++
++/* Somewhere in the middle of the GCC 2.96 development cycle, we implemented
++ a mechanism by which the user can annotate likely branch directions and
++ expect the blocks to be reordered appropriately. Define __builtin_expect
++ to nothing for earlier compilers. */
++#include <linux/compiler-gcc.h>
++
++#if __GNUC_MINOR__ < 96
++# define __builtin_expect(x, expected_value) (x)
++#endif
++
++#define __attribute_used__ __attribute__((__unused__))
++
++/*
++ * The attribute `pure' is not implemented in GCC versions earlier
++ * than 2.96.
++ */
++#if __GNUC_MINOR__ >= 96
++# define __attribute_pure__ __attribute__((pure))
++#endif
+diff -ruN valgrind-2.1.0./include/linux/compiler-gcc3.h valgrind-2.1.0/include/linux/compiler-gcc3.h
+--- valgrind-2.1.0./include/linux/compiler-gcc3.h 1970-01-01 01:00:00.000000000 +0100
++++ valgrind-2.1.0/include/linux/compiler-gcc3.h 2004-01-09 07:59:03.000000000 +0100
+@@ -0,0 +1,22 @@
++/* Never include this file directly. Include <linux/compiler.h> instead. */
++
++/* These definitions are for GCC v3.x. */
++#include <linux/compiler-gcc.h>
++
++#if __GNUC_MINOR__ >= 1
++# define inline __inline__ __attribute__((always_inline))
++# define __inline__ __inline__ __attribute__((always_inline))
++# define __inline __inline__ __attribute__((always_inline))
++#endif
++
++#if __GNUC_MINOR__ > 0
++# define __deprecated __attribute__((deprecated))
++#endif
++
++#if __GNUC_MINOR__ >= 3
++# define __attribute_used__ __attribute__((__used__))
++#else
++# define __attribute_used__ __attribute__((__unused__))
++#endif
++
++#define __attribute_pure__ __attribute__((pure))
+diff -ruN valgrind-2.1.0./include/linux/compiler-gcc.h valgrind-2.1.0/include/linux/compiler-gcc.h
+--- valgrind-2.1.0./include/linux/compiler-gcc.h 1970-01-01 01:00:00.000000000 +0100
++++ valgrind-2.1.0/include/linux/compiler-gcc.h 2004-01-09 08:00:05.000000000 +0100
+@@ -0,0 +1,17 @@
++/* Never include this file directly. Include <linux/compiler.h> instead. */
++
++/*
++ * Common definitions for all gcc versions go here.
++ */
++
++
++/* Optimization barrier */
++/* The "volatile" is due to gcc bugs */
++#define barrier() __asm__ __volatile__("": : :"memory")
++
++/* This macro obfuscates arithmetic on a variable address so that gcc
++ shouldn't recognize the original var, and make assumptions about it */
++#define RELOC_HIDE(ptr, off) \
++ ({ unsigned long __ptr; \
++ __asm__ ("" : "=g"(__ptr) : "0"(ptr)); \
++ (typeof(ptr)) (__ptr + (off)); })
+diff -ruN valgrind-2.1.0./include/linux/compiler-gcc+.h valgrind-2.1.0/include/linux/compiler-gcc+.h
+--- valgrind-2.1.0./include/linux/compiler-gcc+.h 1970-01-01 01:00:00.000000000 +0100
++++ valgrind-2.1.0/include/linux/compiler-gcc+.h 2004-01-09 08:00:04.000000000 +0100
+@@ -0,0 +1,14 @@
++/* Never include this file directly. Include <linux/compiler.h> instead. */
++
++/*
++ * These definitions are for Ueber-GCC: always newer than the latest
++ * version and hence sporting everything plus a kitchen-sink.
++ */
++#include <linux/compiler-gcc.h>
++
++#define inline __inline__ __attribute__((always_inline))
++#define __inline__ __inline__ __attribute__((always_inline))
++#define __inline __inline__ __attribute__((always_inline))
++#define __deprecated __attribute__((deprecated))
++#define __attribute_used__ __attribute__((__used__))
++#define __attribute_pure__ __attribute__((pure))
+diff -ruN valgrind-2.1.0./include/linux/compiler.h valgrind-2.1.0/include/linux/compiler.h
+--- valgrind-2.1.0./include/linux/compiler.h 1970-01-01 01:00:00.000000000 +0100
++++ valgrind-2.1.0/include/linux/compiler.h 2004-01-09 07:59:45.000000000 +0100
+@@ -0,0 +1,91 @@
++#ifndef __LINUX_COMPILER_H
++#define __LINUX_COMPILER_H
++
++#ifdef __CHECKER__
++# define __user __attribute__((noderef, address_space(1)))
++# define __kernel /* default address space */
++#else
++# define __user
++# define __kernel
++#endif
++
++#ifndef __ASSEMBLY__
++#if __GNUC__ > 3
++# include <linux/compiler-gcc+.h> /* catch-all for GCC 4, 5, etc. */
++#elif __GNUC__ == 3
++# include <linux/compiler-gcc3.h>
++#elif __GNUC__ == 2
++# include <linux/compiler-gcc2.h>
++#else
++# error Sorry, your compiler is too old/not recognized.
++#endif
++#endif
++
++/* Intel compiler defines __GNUC__. So we will overwrite implementations
++ * coming from above header files here
++ */
++#ifdef __INTEL_COMPILER
++# include <linux/compiler-intel.h>
++#endif
++
++/*
++ * Generic compiler-dependent macros required for kernel
++ * build go below this comment. Actual compiler/compiler version
++ * specific implementations come from the above header files
++ */
++
++#define likely(x) __builtin_expect(!!(x), 1)
++#define unlikely(x) __builtin_expect(!!(x), 0)
++
++/*
++ * Allow us to mark functions as 'deprecated' and have gcc emit a nice
++ * warning for each use, in hopes of speeding the functions removal.
++ * Usage is:
++ * int __deprecated foo(void)
++ */
++#ifndef __deprecated
++# define __deprecated /* unimplemented */
++#endif
++
++/*
++ * Allow us to avoid 'defined but not used' warnings on functions and data,
++ * as well as force them to be emitted to the assembly file.
++ *
++ * As of gcc 3.3, static functions that are not marked with attribute((used))
++ * may be elided from the assembly file. As of gcc 3.3, static data not so
++ * marked will not be elided, but this may change in a future gcc version.
++ *
++ * In prior versions of gcc, such functions and data would be emitted, but
++ * would be warned about except with attribute((unused)).
++ */
++#ifndef __attribute_used__
++# define __attribute_used__ /* unimplemented */
++#endif
++
++/*
++ * From the GCC manual:
++ *
++ * Many functions have no effects except the return value and their
++ * return value depends only on the parameters and/or global
++ * variables. Such a function can be subject to common subexpression
++ * elimination and loop optimization just as an arithmetic operator
++ * would be.
++ * [...]
++ */
++#ifndef __attribute_pure__
++# define __attribute_pure__ /* unimplemented */
++#endif
++
++/* Optimization barrier */
++#ifndef barrier
++# define barrier() __memory_barrier()
++#endif
++
++#ifndef RELOC_HIDE
++# define RELOC_HIDE(ptr, off) \
++ ({ unsigned long __ptr; \
++ __ptr = (unsigned long) (ptr); \
++ (typeof(ptr)) (__ptr + (off)); })
++#endif
++
++#endif /* __LINUX_COMPILER_H */
+diff -ruN valgrind-2.1.0./include/linux/compiler-intel.h valgrind-2.1.0/include/linux/compiler-intel.h
+--- valgrind-2.1.0./include/linux/compiler-intel.h 1970-01-01 01:00:00.000000000 +0100
++++ valgrind-2.1.0/include/linux/compiler-intel.h 2004-01-09 07:59:26.000000000 +0100
+@@ -0,0 +1,24 @@
++/* Never include this file directly. Include <linux/compiler.h> instead. */
++
++#ifdef __ECC
++
++/* Some compiler specific definitions are overwritten here
++ * for Intel ECC compiler
++ */
++
++#include <asm/intrinsics.h>
++
++/* Intel ECC compiler doesn't support gcc specific asm stmts.
++ * It uses intrinsics to do the equivalent things.
++ */
++#undef barrier
++#undef RELOC_HIDE
++
++#define barrier() __memory_barrier()
++
++#define RELOC_HIDE(ptr, off) \
++ ({ unsigned long __ptr; \
++ __ptr = (unsigned long) (ptr); \
++ (typeof(ptr)) (__ptr + (off)); })
++
++#endif
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