diff options
Diffstat (limited to 'Build/source/texk/dvisvgm/dvisvgm-src/libs/woff2/src/port.h')
-rw-r--r-- | Build/source/texk/dvisvgm/dvisvgm-src/libs/woff2/src/port.h | 66 |
1 files changed, 0 insertions, 66 deletions
diff --git a/Build/source/texk/dvisvgm/dvisvgm-src/libs/woff2/src/port.h b/Build/source/texk/dvisvgm/dvisvgm-src/libs/woff2/src/port.h deleted file mode 100644 index 8b60fee8bc9..00000000000 --- a/Build/source/texk/dvisvgm/dvisvgm-src/libs/woff2/src/port.h +++ /dev/null @@ -1,66 +0,0 @@ -/* Copyright 2013 Google Inc. All Rights Reserved. - - Distributed under MIT license. - See file LICENSE for detail or copy at https://opensource.org/licenses/MIT -*/ - -/* Helper function for bit twiddling and macros for branch prediction. */ - -#ifndef WOFF2_PORT_H_ -#define WOFF2_PORT_H_ - -#include <assert.h> - -namespace woff2 { - -typedef unsigned int uint32; - -inline int Log2Floor(uint32 n) { -#if defined(__GNUC__) - return n == 0 ? -1 : 31 ^ __builtin_clz(n); -#else - if (n == 0) - return -1; - int log = 0; - uint32 value = n; - for (int i = 4; i >= 0; --i) { - int shift = (1 << i); - uint32 x = value >> shift; - if (x != 0) { - value = x; - log += shift; - } - } - assert(value == 1); - return log; -#endif -} - -} // namespace woff2 - -/* Compatibility with non-clang compilers. */ -#ifndef __has_builtin -#define __has_builtin(x) 0 -#endif - -#if (__GNUC__ > 2) || (__GNUC__ == 2 && __GNUC_MINOR__ > 95) || \ - (defined(__llvm__) && __has_builtin(__builtin_expect)) -#define PREDICT_FALSE(x) (__builtin_expect(x, 0)) -#define PREDICT_TRUE(x) (__builtin_expect(!!(x), 1)) -#else -#define PREDICT_FALSE(x) (x) -#define PREDICT_TRUE(x) (x) -#endif - -#if (defined(__ARM_ARCH) && (__ARM_ARCH == 7)) || \ - (defined(M_ARM) && (M_ARM == 7)) || \ - defined(__aarch64__) || defined(__ARM64_ARCH_8__) || defined(__i386) || \ - defined(_M_IX86) || defined(__x86_64__) || defined(_M_X64) -#if defined(__BYTE_ORDER__) && (__BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__) -#define WOFF_LITTLE_ENDIAN -#elif defined(__BYTE_ORDER__) && (__BYTE_ORDER__ == __ORDER_BIG_ENDIAN__) -#define WOFF_BIG_ENDIAN -#endif /* endianness */ -#endif /* CPU whitelist */ - -#endif // WOFF2_PORT_H_ |