remove compiler compat junk

pclsync/pcompiler.h

@@ -32,132 +32,20 @@
 #ifndef _PSYNC_COMPILER_H
 #define _PSYNC_COMPILER_H
 
-#if defined(_MSC_VER)
-#include <mmintrin.h>
-#endif
-
-#if !defined(__has_attribute)
-#if defined(__GNUC__)
-#define __has_attribute(x) 1
-#else
-#define __has_attribute(x) 0
-#endif
-#else
-#if defined(__GNUC__) && !__has_attribute(malloc)
-#undef __has_attribute
-#define __has_attribute(x) 1
-#endif
-#endif
-
-#ifndef __has_builtin
-#if defined(__GNUC__)
-#define __has_builtin(x) 1
-#else
-#define __has_builtin(x) 0
-#endif
-#endif
-
-#if __has_builtin(__builtin_expect)
 #define likely(expr) __builtin_expect(!!(expr), 1)
 #define unlikely(expr) __builtin_expect(!!(expr), 0)
-#else
-#define likely(expr) (expr)
-#define unlikely(expr) (expr)
-#endif
-
-#if __has_builtin(__builtin_prefetch)
 #define psync_prefetch(expr) __builtin_prefetch(expr)
-#elif defined(_MSC_VER)
-#define psync_prefetch(expr) _mm_prefetch((char *)(expr), _MM_HINT_T0)
-#else
-#define psync_prefetch(expr) ((void)0)
-#endif
-
-#if defined(_MSC_VER)
-#define PSYNC_THREAD __declspec(thread)
-#define PSYNC_NOINLINE __declspec(noinline)
-#else
-#if __has_attribute(noinline)
 #define PSYNC_NOINLINE __attribute__((noinline))
-#else
-#define PSYNC_NOINLINE
-#endif
 #define PSYNC_THREAD __thread
-#endif
 
-#if __has_attribute(malloc)
 #define PSYNC_MALLOC __attribute__((malloc))
-#else
-#define PSYNC_MALLOC
-#endif
-
-#if __has_attribute(sentinel)
 #define PSYNC_SENTINEL __attribute__((sentinel))
-#else
-#define PSYNC_SENTINEL
-#endif
-
-#if __has_attribute(pure)
 #define PSYNC_PURE __attribute__((pure))
-#else
-#define PSYNC_PURE
-#endif
-
-#if __has_attribute(const)
 #define PSYNC_CONST __attribute__((const))
-#else
-#define PSYNC_CONST
-#endif
-
-#if __has_attribute(cold)
 #define PSYNC_COLD __attribute__((cold))
-#else
-#define PSYNC_COLD
-#endif
-
-#if __has_attribute(format)
 #define PSYNC_FORMAT(a, b, c) __attribute__((format(a, b, c)))
-#else
-#define PSYNC_FORMAT(a, b, c)
-#endif
-
-#if __has_attribute(nonnull)
 #define PSYNC_NONNULL(...) __attribute__((nonnull(__VA_ARGS__)))
-#else
-#define PSYNC_NONNULL(...)
-#endif
-
-#if __has_attribute(packed)
 #define PSYNC_PACKED_STRUCT struct __attribute__((packed))
-#elif defined(_MSC_VER)
-#define PSYNC_PACKED_STRUCT __declspec(align(1)) struct
-#else
-#define PSYNC_PACKED_STRUCT struct
-#endif
-
-#if _MSC_VER >= 1500 && _MSC_VER < 1600
-#define inline __inline
-#define restrict __restrict
-#elif __GNUC__ >= 3
-#define inline __inline
-#define restrict __restrict
-#elif __STDC_VERSION__ != 199901L
-#define inline
-#define restrict
-#endif
-
-#if defined(__clang__) || defined(_MSC_VER)
-#define psync_alignof __alignof
-#elif defined(__GNUC__)
 #define psync_alignof __alignof__
-#else
-#define psync_alignof(t)                                                       \
-  offsetof(                                                                    \
-      struct {                                                                 \
-        char a;                                                                \
-        t b;                                                                   \
-      },                                                                       \
-      b)
-#endif
 
 #endif