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util: Remove u_atomic.h's Gallium dependence. 

Reviewed-by: Jose Fonseca <jfonseca@vmware.com>
This commit is contained in:
Matt Turner 2014-11-21 15:50:58 -08:00
parent 4abd20e261
commit 504062be2a
1 changed files with 6 additions and 9 deletions
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15
src/util/u_atomic.h
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@ -9,26 +9,23 @@
#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)
#if defined(__sun)
#define PIPE_ATOMIC_OS_SOLARIS
#elif defined(PIPE_CC_MSVC)
#elif defined(_MSC_VER)
#define PIPE_ATOMIC_MSVC_INTRINSIC
#elif (defined(PIPE_CC_MSVC) && defined(PIPE_ARCH_X86))
#elif (defined(_MSC_VER) && (defined(__i386__) || defined(_M_IX86))
#define PIPE_ATOMIC_ASM_MSVC_X86
#elif defined(PIPE_CC_GCC) && (PIPE_CC_GCC_VERSION >= 401)
#elif defined(__GNUC__) && ((__GNUC__ * 100 + __GNUC_MINOR__) >= 401)
#define PIPE_ATOMIC_GCC_INTRINSIC
#elif (defined(PIPE_CC_GCC) && defined(PIPE_ARCH_X86))
#elif (defined(__GNUC__) && defined(__i386__))
#define PIPE_ATOMIC_ASM_GCC_X86
#elif (defined(PIPE_CC_GCC) && defined(PIPE_ARCH_X86_64))
#elif (defined(__GNUC__) && defined(__x86_64__))
#define PIPE_ATOMIC_ASM_GCC_X86_64
#else
#error "Unsupported platform"