X-Git-Url: https://git.libre-soc.org/?a=blobdiff_plain;f=src%2Fgallium%2Finclude%2Fpipe%2Fp_compiler.h;h=3441db685ce44c3f5fbb9957db40c5b571d25d1b;hb=d40b868db5b82529cbe07598b2ebef23cc31a7fa;hp=c36286f9bee49b1eac55f3c798f5dad8a9b7c41a;hpb=48302e9b309c7ce218de2e522c91bdc87e61cdbc;p=mesa.git diff --git a/src/gallium/include/pipe/p_compiler.h b/src/gallium/include/pipe/p_compiler.h index c36286f9bee..3441db685ce 100644 --- a/src/gallium/include/pipe/p_compiler.h +++ b/src/gallium/include/pipe/p_compiler.h @@ -31,13 +31,11 @@ #include "p_config.h" -#ifndef XFree86Server #include #include -#else -#include "xf86_ansic.h" -#include "xf86_libc.h" -#endif +#include +#include +#include #if defined(_WIN32) && !defined(__WIN32__) @@ -52,58 +50,29 @@ #endif /* _MSC_VER */ -#if defined(_MSC_VER) - -typedef __int8 int8_t; -typedef unsigned __int8 uint8_t; -typedef __int16 int16_t; -typedef unsigned __int16 uint16_t; -#ifndef __eglplatform_h_ -typedef __int32 int32_t; -#endif -typedef unsigned __int32 uint32_t; -typedef __int64 int64_t; -typedef unsigned __int64 uint64_t; - -#if defined(_WIN64) -typedef __int64 intptr_t; -typedef unsigned __int64 uintptr_t; -#else -typedef __int32 intptr_t; -typedef unsigned __int32 uintptr_t; -#endif - -#define INT64_C(__val) __val##i64 -#define UINT64_C(__val) __val##ui64 - -#ifndef __cplusplus -#define false 0 -#define true 1 -#define bool _Bool -typedef int _Bool; -#define __bool_true_false_are_defined 1 -#endif /* !__cplusplus */ - -#else +/* + * Alternative stdint.h and stdbool.h headers are supplied in include/c99 for + * systems that lack it. + */ #ifndef __STDC_LIMIT_MACROS #define __STDC_LIMIT_MACROS 1 #endif #include #include + + +#ifdef __cplusplus +extern "C" { #endif -#ifndef __HAIKU__ +#if !defined(__HAIKU__) && !defined(__USE_MISC) typedef unsigned int uint; typedef unsigned short ushort; #endif typedef unsigned char ubyte; -#if 0 -#define boolean bool -#else typedef unsigned char boolean; -#endif #ifndef TRUE #define TRUE true #endif @@ -111,6 +80,13 @@ typedef unsigned char boolean; #define FALSE false #endif +#ifndef va_copy +#ifdef __va_copy +#define va_copy(dest, src) __va_copy((dest), (src)) +#else +#define va_copy(dest, src) (dest) = (src) +#endif +#endif /* Function inlining */ #ifndef INLINE @@ -135,11 +111,55 @@ typedef unsigned char boolean; # endif #endif +/* Forced function inlining */ +#ifndef ALWAYS_INLINE +# ifdef __GNUC__ +# define ALWAYS_INLINE inline __attribute__((always_inline)) +# elif defined(_MSC_VER) +# define ALWAYS_INLINE __forceinline +# else +# define ALWAYS_INLINE INLINE +# endif +#endif + +/* + * Define the C99 restrict keyword. + * + * See also: + * - http://cellperformance.beyond3d.com/articles/2006/05/demystifying-the-restrict-keyword.html + */ +#ifndef restrict +# if (__STDC_VERSION__ >= 199901L) + /* C99 */ +# elif defined(__SUNPRO_C) && defined(__C99FEATURES__) + /* C99 */ +# elif defined(__GNUC__) +# define restrict __restrict__ +# elif defined(_MSC_VER) +# define restrict __restrict +# else +# define restrict /* */ +# endif +#endif + + +/* Function visibility */ +#ifndef PUBLIC +# if defined(__GNUC__) || (defined(__SUNPRO_C) && (__SUNPRO_C >= 0x590)) +# define PUBLIC __attribute__((visibility("default"))) +# elif defined(_MSC_VER) +# define PUBLIC __declspec(dllexport) +# else +# define PUBLIC +# endif +#endif + + /* The __FUNCTION__ gcc variable is generally only used for debugging. * If we're not using gcc, define __FUNCTION__ as a cpp symbol here. */ #ifndef __FUNCTION__ -# if (!defined(__GNUC__) || (__GNUC__ < 2)) +# if !defined(__GNUC__) # if (__STDC_VERSION__ >= 199901L) /* C99 */ || \ (defined(__SUNPRO_C) && defined(__C99FEATURES__)) # define __FUNCTION__ __func__ @@ -147,6 +167,21 @@ typedef unsigned char boolean; # define __FUNCTION__ "" # endif # endif +# if defined(_MSC_VER) && _MSC_VER < 1300 +# define __FUNCTION__ "" +# endif +#endif +#ifndef __func__ +# if (__STDC_VERSION__ >= 199901L) || \ + (defined(__SUNPRO_C) && defined(__C99FEATURES__)) + /* __func__ is part of C99 */ +# elif defined(_MSC_VER) +# if _MSC_VER >= 1300 +# define __func__ __FUNCTION__ +# else +# define __func__ "" +# endif +# endif #endif @@ -163,23 +198,112 @@ typedef unsigned char boolean; #if defined(__GNUC__) -#define ALIGN16_DECL(TYPE, NAME, SIZE) TYPE NAME##___aligned[SIZE] __attribute__(( aligned( 16 ) )) -#define ALIGN16_ASSIGN(NAME) NAME##___aligned -#define ALIGN16_ATTRIB __attribute__(( aligned( 16 ) )) -#define ALIGN8_ATTRIB __attribute__(( aligned( 8 ) )) -#if __GNUC__ > 4 || (__GNUC__ == 4 &&__GNUC_MINOR__>1) -#define ALIGN_STACK __attribute__((force_align_arg_pointer)) +#define PIPE_DEPRECATED __attribute__((__deprecated__)) #else -#define ALIGN_STACK +#define PIPE_DEPRECATED #endif + + + +/* Macros for data alignment. */ +#if defined(__GNUC__) || (defined(__SUNPRO_C) && (__SUNPRO_C >= 0x590)) + +/* See http://gcc.gnu.org/onlinedocs/gcc-4.4.2/gcc/Type-Attributes.html */ +#define PIPE_ALIGN_TYPE(_alignment, _type) _type __attribute__((aligned(_alignment))) + +/* See http://gcc.gnu.org/onlinedocs/gcc-4.4.2/gcc/Variable-Attributes.html */ +#define PIPE_ALIGN_VAR(_alignment) __attribute__((aligned(_alignment))) + +#if (__GNUC__ > 4 || (__GNUC__ == 4 &&__GNUC_MINOR__>1)) && !defined(PIPE_ARCH_X86_64) +#define PIPE_ALIGN_STACK __attribute__((force_align_arg_pointer)) #else -#define ALIGN16_DECL(TYPE, NAME, SIZE) TYPE NAME##___unaligned[SIZE + 1] -#define ALIGN16_ASSIGN(NAME) align16(NAME##___unaligned) -#define ALIGN16_ATTRIB -#define ALIGN8_ATTRIB -#define ALIGN_STACK +#define PIPE_ALIGN_STACK #endif +#elif defined(_MSC_VER) + +/* See http://msdn.microsoft.com/en-us/library/83ythb65.aspx */ +#define PIPE_ALIGN_TYPE(_alignment, _type) __declspec(align(_alignment)) _type +#define PIPE_ALIGN_VAR(_alignment) __declspec(align(_alignment)) + +#define PIPE_ALIGN_STACK + +#elif defined(SWIG) + +#define PIPE_ALIGN_TYPE(_alignment, _type) _type +#define PIPE_ALIGN_VAR(_alignment) + +#define PIPE_ALIGN_STACK + +#else + +#error "Unsupported compiler" + +#endif + + +#if defined(__GNUC__) + +#define PIPE_READ_WRITE_BARRIER() __asm__("":::"memory") + +#elif defined(_MSC_VER) + +void _ReadWriteBarrier(void); +#pragma intrinsic(_ReadWriteBarrier) +#define PIPE_READ_WRITE_BARRIER() _ReadWriteBarrier() + +#else + +#warning "Unsupported compiler" +#define PIPE_READ_WRITE_BARRIER() /* */ + +#endif + + +/* You should use these macros to mark if blocks where the if condition + * is either likely to be true, or unlikely to be true. + * + * This will inform human readers of this fact, and will also inform + * the compiler, who will in turn inform the CPU. + * + * CPUs often start executing code inside the if or the else blocks + * without knowing whether the condition is true or not, and will have + * to throw the work away if they find out later they executed the + * wrong part of the if. + * + * If these macros are used, the CPU is more likely to correctly predict + * the right path, and will avoid speculatively executing the wrong branch, + * thus not throwing away work, resulting in better performance. + * + * In light of this, it is also a good idea to mark as "likely" a path + * which is not necessarily always more likely, but that will benefit much + * more from performance improvements since it is already much faster than + * the other path, or viceversa with "unlikely". + * + * Example usage: + * if(unlikely(do_we_need_a_software_fallback())) + * do_software_fallback(); + * else + * render_with_gpu(); + * + * The macros follow the Linux kernel convention, and more examples can + * be found there. + * + * Note that profile guided optimization can offer better results, but + * needs an appropriate coverage suite and does not inform human readers. + */ +#ifdef __GNUC__ +#define likely(x) __builtin_expect(!!(x), 1) +#define unlikely(x) __builtin_expect(!!(x), 0) +#else +#define likely(x) !!(x) +#define unlikely(x) !!(x) +#endif + + +#if defined(__cplusplus) +} +#endif #endif /* P_COMPILER_H */