xserver xkeyboard-config mesa git update 5 dec 2011

1 files changed, 349 insertions, 352 deletions

diff --git a/mesalib/src/gallium/auxiliary/util/u_atomic.h b/mesalib/src/gallium/auxiliary/util/u_atomic.h
index e8c0fdf75..2f2b42b34 100644
--- a/mesalib/src/gallium/auxiliary/util/u_atomic.h
+++ b/mesalib/src/gallium/auxiliary/util/u_atomic.h
@@ -1,352 +1,349 @@
-/**

- * Many similar implementations exist. See for example libwsbm

- * or the linux kernel include/atomic.h

- *

- * No copyright claimed on this file.

- *

- */

-

-#ifndef U_ATOMIC_H

-#define U_ATOMIC_H

-

-#include "pipe/p_compiler.h"

-#include "pipe/p_defines.h"

-

-/* Favor OS-provided implementations.

- *

- * Where no OS-provided implementation is available, fall back to

- * locally coded assembly, compiler intrinsic or ultimately a

- * mutex-based implementation.

- */

-#if (defined(PIPE_SUBSYSTEM_WINDOWS_DISPLAY) || \

-     defined(PIPE_SUBSYSTEM_WINDOWS_MINIPORT))

-#define PIPE_ATOMIC_OS_UNLOCKED

-#elif defined(PIPE_OS_SOLARIS)

-#define PIPE_ATOMIC_OS_SOLARIS

-#elif defined(PIPE_CC_MSVC)

-#define PIPE_ATOMIC_MSVC_INTRINSIC

-#elif (defined(PIPE_CC_MSVC) && defined(PIPE_ARCH_X86))

-#define PIPE_ATOMIC_ASM_MSVC_X86                

-#elif (defined(PIPE_CC_GCC) && defined(PIPE_ARCH_X86))

-#define PIPE_ATOMIC_ASM_GCC_X86

-#elif (defined(PIPE_CC_GCC) && defined(PIPE_ARCH_X86_64))

-#define PIPE_ATOMIC_ASM_GCC_X86_64

-#elif defined(PIPE_CC_GCC) && (PIPE_CC_GCC_VERSION >= 401)

-#define PIPE_ATOMIC_GCC_INTRINSIC

-#else

-#error "Unsupported platform"

-#endif

-

-

-#if defined(PIPE_ATOMIC_ASM_GCC_X86_64)

-#define PIPE_ATOMIC "GCC x86_64 assembly"

-

-#ifdef __cplusplus

-extern "C" {

-#endif

-

-#define p_atomic_set(_v, _i) (*(_v) = (_i))

-#define p_atomic_read(_v) (*(_v))

-

-static INLINE boolean

-p_atomic_dec_zero(int32_t *v)

-{

-   unsigned char c;

-

-   __asm__ __volatile__("lock; decl %0; sete %1":"+m"(*v), "=qm"(c)

-			::"memory");

-

-   return c != 0;

-}

-

-static INLINE void

-p_atomic_inc(int32_t *v)

-{

-   __asm__ __volatile__("lock; incl %0":"+m"(*v));

-}

-

-static INLINE void

-p_atomic_dec(int32_t *v)

-{

-   __asm__ __volatile__("lock; decl %0":"+m"(*v));

-}

-

-static INLINE int32_t

-p_atomic_cmpxchg(int32_t *v, int32_t old, int32_t _new)

-{

-   return __sync_val_compare_and_swap(v, old, _new);

-}

-

-#ifdef __cplusplus

-}

-#endif

-

-#endif /* PIPE_ATOMIC_ASM_GCC_X86_64 */

-

-

-#if defined(PIPE_ATOMIC_ASM_GCC_X86)

-

-#define PIPE_ATOMIC "GCC x86 assembly"

-

-#ifdef __cplusplus

-extern "C" {

-#endif

-

-#define p_atomic_set(_v, _i) (*(_v) = (_i))

-#define p_atomic_read(_v) (*(_v))

-

-static INLINE boolean

-p_atomic_dec_zero(int32_t *v)

-{

-   unsigned char c;

-

-   __asm__ __volatile__("lock; decl %0; sete %1":"+m"(*v), "=qm"(c)

-			::"memory");

-

-   return c != 0;

-}

-

-static INLINE void

-p_atomic_inc(int32_t *v)

-{

-   __asm__ __volatile__("lock; incl %0":"+m"(*v));

-}

-

-static INLINE void

-p_atomic_dec(int32_t *v)

-{

-   __asm__ __volatile__("lock; decl %0":"+m"(*v));

-}

-

-static INLINE int32_t

-p_atomic_cmpxchg(int32_t *v, int32_t old, int32_t _new)

-{

-   return __sync_val_compare_and_swap(v, old, _new);

-}

-

-#ifdef __cplusplus

-}

-#endif

-

-#endif

-

-

-

-/* Implementation using GCC-provided synchronization intrinsics

- */

-#if defined(PIPE_ATOMIC_GCC_INTRINSIC)

-

-#define PIPE_ATOMIC "GCC Sync Intrinsics"

-

-#ifdef __cplusplus

-extern "C" {

-#endif

-

-#define p_atomic_set(_v, _i) (*(_v) = (_i))

-#define p_atomic_read(_v) (*(_v))

-

-static INLINE boolean

-p_atomic_dec_zero(int32_t *v)

-{

-   return (__sync_sub_and_fetch(v, 1) == 0);

-}

-

-static INLINE void

-p_atomic_inc(int32_t *v)

-{

-   (void) __sync_add_and_fetch(v, 1);

-}

-

-static INLINE void

-p_atomic_dec(int32_t *v)

-{

-   (void) __sync_sub_and_fetch(v, 1);

-}

-

-static INLINE int32_t

-p_atomic_cmpxchg(int32_t *v, int32_t old, int32_t _new)

-{

-   return __sync_val_compare_and_swap(v, old, _new);

-}

-

-#ifdef __cplusplus

-}

-#endif

-

-#endif

-

-

-

-/* Unlocked version for single threaded environments, such as some

- * windows kernel modules.

- */

-#if defined(PIPE_ATOMIC_OS_UNLOCKED) 

-

-#define PIPE_ATOMIC "Unlocked"

-

-#define p_atomic_set(_v, _i) (*(_v) = (_i))

-#define p_atomic_read(_v) (*(_v))

-#define p_atomic_dec_zero(_v) ((boolean) --(*(_v)))

-#define p_atomic_inc(_v) ((void) (*(_v))++)

-#define p_atomic_dec(_v) ((void) (*(_v))--)

-#define p_atomic_cmpxchg(_v, old, _new) (*(_v) == old ? *(_v) = (_new) : *(_v))

-

-#endif

-

-

-/* Locally coded assembly for MSVC on x86:

- */

-#if defined(PIPE_ATOMIC_ASM_MSVC_X86)

-

-#define PIPE_ATOMIC "MSVC x86 assembly"

-

-#ifdef __cplusplus

-extern "C" {

-#endif

-

-#define p_atomic_set(_v, _i) (*(_v) = (_i))

-#define p_atomic_read(_v) (*(_v))

-

-static INLINE boolean

-p_atomic_dec_zero(int32_t *v)

-{

-   unsigned char c;

-

-   __asm {

-      mov       eax, [v]

-      lock dec  dword ptr [eax]

-      sete      byte ptr [c]

-   }

-

-   return c != 0;

-}

-

-static INLINE void

-p_atomic_inc(int32_t *v)

-{

-   __asm {

-      mov       eax, [v]

-      lock inc  dword ptr [eax]

-   }

-}

-

-static INLINE void

-p_atomic_dec(int32_t *v)

-{

-   __asm {

-      mov       eax, [v]

-      lock dec  dword ptr [eax]

-   }

-}

-

-static INLINE int32_t

-p_atomic_cmpxchg(int32_t *v, int32_t old, int32_t _new)

-{

-   int32_t orig;

-

-   __asm {

-      mov ecx, [v]

-      mov eax, [old]

-      mov edx, [_new]

-      lock cmpxchg [ecx], edx

-      mov [orig], eax

-   }

-

-   return orig;

-}

-

-#ifdef __cplusplus

-}

-#endif

-

-#endif

-

-

-#if defined(PIPE_ATOMIC_MSVC_INTRINSIC)

-

-#define PIPE_ATOMIC "MSVC Intrinsics"

-

-#include <intrin.h>

-

-#pragma intrinsic(_InterlockedIncrement)

-#pragma intrinsic(_InterlockedDecrement)

-#pragma intrinsic(_InterlockedCompareExchange)

-

-#ifdef __cplusplus

-extern "C" {

-#endif

-

-#define p_atomic_set(_v, _i) (*(_v) = (_i))

-#define p_atomic_read(_v) (*(_v))

-

-static INLINE boolean

-p_atomic_dec_zero(int32_t *v)

-{

-   return _InterlockedDecrement((long *)v) == 0;

-}

-

-static INLINE void

-p_atomic_inc(int32_t *v)

-{

-   _InterlockedIncrement((long *)v);

-}

-

-static INLINE void

-p_atomic_dec(int32_t *v)

-{

-   _InterlockedDecrement((long *)v);

-}

-

-static INLINE int32_t

-p_atomic_cmpxchg(int32_t *v, int32_t old, int32_t _new)

-{

-   return _InterlockedCompareExchange((long *)v, _new, old);

-}

-

-#ifdef __cplusplus

-}

-#endif

-

-#endif

-

-#if defined(PIPE_ATOMIC_OS_SOLARIS)

-

-#define PIPE_ATOMIC "Solaris OS atomic functions"

-

-#include <atomic.h>

-

-#ifdef __cplusplus

-extern "C" {

-#endif

-

-#define p_atomic_set(_v, _i) (*(_v) = (_i))

-#define p_atomic_read(_v) (*(_v))

-

-static INLINE boolean

-p_atomic_dec_zero(int32_t *v)

-{

-   uint32_t n = atomic_dec_32_nv((uint32_t *) v);

-

-   return n != 0;

-}

-

-#define p_atomic_inc(_v) atomic_inc_32((uint32_t *) _v)

-#define p_atomic_dec(_v) atomic_dec_32((uint32_t *) _v)

-

-#define p_atomic_cmpxchg(_v, _old, _new) \

-	atomic_cas_32( (uint32_t *) _v, (uint32_t) _old, (uint32_t) _new)

-

-#ifdef __cplusplus

-}

-#endif

-

-#endif

-

-

-#ifndef PIPE_ATOMIC

-#error "No pipe_atomic implementation selected"

-#endif

-

-

-

-#endif /* U_ATOMIC_H */

+/**
+ * Many similar implementations exist. See for example libwsbm
+ * or the linux kernel include/atomic.h
+ *
+ * No copyright claimed on this file.
+ *
+ */
+
+#ifndef U_ATOMIC_H
+#define U_ATOMIC_H
+
+#include "pipe/p_compiler.h"
+#include "pipe/p_defines.h"
+
+/* Favor OS-provided implementations.
+ *
+ * Where no OS-provided implementation is available, fall back to
+ * locally coded assembly, compiler intrinsic or ultimately a
+ * mutex-based implementation.
+ */
+#if defined(PIPE_OS_SOLARIS)
+#define PIPE_ATOMIC_OS_SOLARIS
+#elif defined(PIPE_CC_MSVC)
+#define PIPE_ATOMIC_MSVC_INTRINSIC
+#elif (defined(PIPE_CC_MSVC) && defined(PIPE_ARCH_X86))
+#define PIPE_ATOMIC_ASM_MSVC_X86                
+#elif (defined(PIPE_CC_GCC) && defined(PIPE_ARCH_X86))
+#define PIPE_ATOMIC_ASM_GCC_X86
+#elif (defined(PIPE_CC_GCC) && defined(PIPE_ARCH_X86_64))
+#define PIPE_ATOMIC_ASM_GCC_X86_64
+#elif defined(PIPE_CC_GCC) && (PIPE_CC_GCC_VERSION >= 401)
+#define PIPE_ATOMIC_GCC_INTRINSIC
+#else
+#error "Unsupported platform"
+#endif
+
+
+#if defined(PIPE_ATOMIC_ASM_GCC_X86_64)
+#define PIPE_ATOMIC "GCC x86_64 assembly"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#define p_atomic_set(_v, _i) (*(_v) = (_i))
+#define p_atomic_read(_v) (*(_v))
+
+static INLINE boolean
+p_atomic_dec_zero(int32_t *v)
+{
+   unsigned char c;
+
+   __asm__ __volatile__("lock; decl %0; sete %1":"+m"(*v), "=qm"(c)
+			::"memory");
+
+   return c != 0;
+}
+
+static INLINE void
+p_atomic_inc(int32_t *v)
+{
+   __asm__ __volatile__("lock; incl %0":"+m"(*v));
+}
+
+static INLINE void
+p_atomic_dec(int32_t *v)
+{
+   __asm__ __volatile__("lock; decl %0":"+m"(*v));
+}
+
+static INLINE int32_t
+p_atomic_cmpxchg(int32_t *v, int32_t old, int32_t _new)
+{
+   return __sync_val_compare_and_swap(v, old, _new);
+}
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* PIPE_ATOMIC_ASM_GCC_X86_64 */
+
+
+#if defined(PIPE_ATOMIC_ASM_GCC_X86)
+
+#define PIPE_ATOMIC "GCC x86 assembly"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#define p_atomic_set(_v, _i) (*(_v) = (_i))
+#define p_atomic_read(_v) (*(_v))
+
+static INLINE boolean
+p_atomic_dec_zero(int32_t *v)
+{
+   unsigned char c;
+
+   __asm__ __volatile__("lock; decl %0; sete %1":"+m"(*v), "=qm"(c)
+			::"memory");
+
+   return c != 0;
+}
+
+static INLINE void
+p_atomic_inc(int32_t *v)
+{
+   __asm__ __volatile__("lock; incl %0":"+m"(*v));
+}
+
+static INLINE void
+p_atomic_dec(int32_t *v)
+{
+   __asm__ __volatile__("lock; decl %0":"+m"(*v));
+}
+
+static INLINE int32_t
+p_atomic_cmpxchg(int32_t *v, int32_t old, int32_t _new)
+{
+   return __sync_val_compare_and_swap(v, old, _new);
+}
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif
+
+
+
+/* Implementation using GCC-provided synchronization intrinsics
+ */
+#if defined(PIPE_ATOMIC_GCC_INTRINSIC)
+
+#define PIPE_ATOMIC "GCC Sync Intrinsics"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#define p_atomic_set(_v, _i) (*(_v) = (_i))
+#define p_atomic_read(_v) (*(_v))
+
+static INLINE boolean
+p_atomic_dec_zero(int32_t *v)
+{
+   return (__sync_sub_and_fetch(v, 1) == 0);
+}
+
+static INLINE void
+p_atomic_inc(int32_t *v)
+{
+   (void) __sync_add_and_fetch(v, 1);
+}
+
+static INLINE void
+p_atomic_dec(int32_t *v)
+{
+   (void) __sync_sub_and_fetch(v, 1);
+}
+
+static INLINE int32_t
+p_atomic_cmpxchg(int32_t *v, int32_t old, int32_t _new)
+{
+   return __sync_val_compare_and_swap(v, old, _new);
+}
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif
+
+
+
+/* Unlocked version for single threaded environments, such as some
+ * windows kernel modules.
+ */
+#if defined(PIPE_ATOMIC_OS_UNLOCKED) 
+
+#define PIPE_ATOMIC "Unlocked"
+
+#define p_atomic_set(_v, _i) (*(_v) = (_i))
+#define p_atomic_read(_v) (*(_v))
+#define p_atomic_dec_zero(_v) ((boolean) --(*(_v)))
+#define p_atomic_inc(_v) ((void) (*(_v))++)
+#define p_atomic_dec(_v) ((void) (*(_v))--)
+#define p_atomic_cmpxchg(_v, old, _new) (*(_v) == old ? *(_v) = (_new) : *(_v))
+
+#endif
+
+
+/* Locally coded assembly for MSVC on x86:
+ */
+#if defined(PIPE_ATOMIC_ASM_MSVC_X86)
+
+#define PIPE_ATOMIC "MSVC x86 assembly"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#define p_atomic_set(_v, _i) (*(_v) = (_i))
+#define p_atomic_read(_v) (*(_v))
+
+static INLINE boolean
+p_atomic_dec_zero(int32_t *v)
+{
+   unsigned char c;
+
+   __asm {
+      mov       eax, [v]
+      lock dec  dword ptr [eax]
+      sete      byte ptr [c]
+   }
+
+   return c != 0;
+}
+
+static INLINE void
+p_atomic_inc(int32_t *v)
+{
+   __asm {
+      mov       eax, [v]
+      lock inc  dword ptr [eax]
+   }
+}
+
+static INLINE void
+p_atomic_dec(int32_t *v)
+{
+   __asm {
+      mov       eax, [v]
+      lock dec  dword ptr [eax]
+   }
+}
+
+static INLINE int32_t
+p_atomic_cmpxchg(int32_t *v, int32_t old, int32_t _new)
+{
+   int32_t orig;
+
+   __asm {
+      mov ecx, [v]
+      mov eax, [old]
+      mov edx, [_new]
+      lock cmpxchg [ecx], edx
+      mov [orig], eax
+   }
+
+   return orig;
+}
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif
+
+
+#if defined(PIPE_ATOMIC_MSVC_INTRINSIC)
+
+#define PIPE_ATOMIC "MSVC Intrinsics"
+
+#include <intrin.h>
+
+#pragma intrinsic(_InterlockedIncrement)
+#pragma intrinsic(_InterlockedDecrement)
+#pragma intrinsic(_InterlockedCompareExchange)
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#define p_atomic_set(_v, _i) (*(_v) = (_i))
+#define p_atomic_read(_v) (*(_v))
+
+static INLINE boolean
+p_atomic_dec_zero(int32_t *v)
+{
+   return _InterlockedDecrement((long *)v) == 0;
+}
+
+static INLINE void
+p_atomic_inc(int32_t *v)
+{
+   _InterlockedIncrement((long *)v);
+}
+
+static INLINE void
+p_atomic_dec(int32_t *v)
+{
+   _InterlockedDecrement((long *)v);
+}
+
+static INLINE int32_t
+p_atomic_cmpxchg(int32_t *v, int32_t old, int32_t _new)
+{
+   return _InterlockedCompareExchange((long *)v, _new, old);
+}
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif
+
+#if defined(PIPE_ATOMIC_OS_SOLARIS)
+
+#define PIPE_ATOMIC "Solaris OS atomic functions"
+
+#include <atomic.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#define p_atomic_set(_v, _i) (*(_v) = (_i))
+#define p_atomic_read(_v) (*(_v))
+
+static INLINE boolean
+p_atomic_dec_zero(int32_t *v)
+{
+   uint32_t n = atomic_dec_32_nv((uint32_t *) v);
+
+   return n != 0;
+}
+
+#define p_atomic_inc(_v) atomic_inc_32((uint32_t *) _v)
+#define p_atomic_dec(_v) atomic_dec_32((uint32_t *) _v)
+
+#define p_atomic_cmpxchg(_v, _old, _new) \
+	atomic_cas_32( (uint32_t *) _v, (uint32_t) _old, (uint32_t) _new)
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif
+
+
+#ifndef PIPE_ATOMIC
+#error "No pipe_atomic implementation selected"
+#endif
+
+
+
+#endif /* U_ATOMIC_H */