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Diffstat (limited to 'Build/source/texk/dvisvgm/dvisvgm-src/libs/brotli/common/platform.h')
-rw-r--r--Build/source/texk/dvisvgm/dvisvgm-src/libs/brotli/common/platform.h276
1 files changed, 169 insertions, 107 deletions
diff --git a/Build/source/texk/dvisvgm/dvisvgm-src/libs/brotli/common/platform.h b/Build/source/texk/dvisvgm/dvisvgm-src/libs/brotli/common/platform.h
index 8d1429094c8..9f303bcb67e 100644
--- a/Build/source/texk/dvisvgm/dvisvgm-src/libs/brotli/common/platform.h
+++ b/Build/source/texk/dvisvgm/dvisvgm-src/libs/brotli/common/platform.h
@@ -4,7 +4,21 @@
See file LICENSE for detail or copy at https://opensource.org/licenses/MIT
*/
-/* Macros for compiler / platform specific features and build options. */
+/* Macros for compiler / platform specific features and build options.
+
+ Build options are:
+ * BROTLI_BUILD_32_BIT disables 64-bit optimizations
+ * BROTLI_BUILD_64_BIT forces to use 64-bit optimizations
+ * BROTLI_BUILD_BIG_ENDIAN forces to use big-endian optimizations
+ * BROTLI_BUILD_ENDIAN_NEUTRAL disables endian-aware optimizations
+ * BROTLI_BUILD_LITTLE_ENDIAN forces to use little-endian optimizations
+ * BROTLI_BUILD_PORTABLE disables dangerous optimizations, like unaligned
+ read and overlapping memcpy; this reduces decompression speed by 5%
+ * BROTLI_BUILD_NO_RBIT disables "rbit" optimization for ARM CPUs
+ * BROTLI_DEBUG dumps file name and line number when decoder detects stream
+ or memory error
+ * BROTLI_ENABLE_LOG enables asserts and dumps various state information
+*/
#ifndef BROTLI_COMMON_PLATFORM_H_
#define BROTLI_COMMON_PLATFORM_H_
@@ -15,11 +29,11 @@
#include <brotli/port.h>
#include <brotli/types.h>
-#if defined OS_LINUX || defined OS_CYGWIN
+#if defined(OS_LINUX) || defined(OS_CYGWIN)
#include <endian.h>
-#elif defined OS_FREEBSD
+#elif defined(OS_FREEBSD)
#include <machine/endian.h>
-#elif defined OS_MACOSX
+#elif defined(OS_MACOSX)
#include <machine/endian.h>
/* Let's try and follow the Linux convention */
#define BROTLI_X_BYTE_ORDER BYTE_ORDER
@@ -32,71 +46,138 @@
#include <stdio.h>
#endif
-/* Macros for compiler / platform specific features and build options.
+/* The following macros were borrowed from https://github.com/nemequ/hedley
+ * with permission of original author - Evan Nemerson <evan@nemerson.com> */
- Build options are:
- * BROTLI_BUILD_32_BIT disables 64-bit optimizations
- * BROTLI_BUILD_64_BIT forces to use 64-bit optimizations
- * BROTLI_BUILD_BIG_ENDIAN forces to use big-endian optimizations
- * BROTLI_BUILD_ENDIAN_NEUTRAL disables endian-aware optimizations
- * BROTLI_BUILD_LITTLE_ENDIAN forces to use little-endian optimizations
- * BROTLI_BUILD_PORTABLE disables dangerous optimizations, like unaligned
- read and overlapping memcpy; this reduces decompression speed by 5%
- * BROTLI_BUILD_NO_RBIT disables "rbit" optimization for ARM CPUs
- * BROTLI_DEBUG dumps file name and line number when decoder detects stream
- or memory error
- * BROTLI_ENABLE_LOG enables asserts and dumps various state information
-*/
+/* >>> >>> >>> hedley macros */
+
+/* Define "BROTLI_PREDICT_TRUE" and "BROTLI_PREDICT_FALSE" macros for capable
+ compilers.
+
+To apply compiler hint, enclose the branching condition into macros, like this:
+
+ if (BROTLI_PREDICT_TRUE(zero == 0)) {
+ // main execution path
+ } else {
+ // compiler should place this code outside of main execution path
+ }
+
+OR:
-#if BROTLI_MODERN_COMPILER || __has_attribute(always_inline)
-#define BROTLI_ATTRIBUTE_ALWAYS_INLINE __attribute__ ((always_inline))
+ if (BROTLI_PREDICT_FALSE(something_rare_or_unexpected_happens)) {
+ // compiler should place this code outside of main execution path
+ }
+
+*/
+#if BROTLI_GNUC_HAS_BUILTIN(__builtin_expect, 3, 0, 0) || \
+ BROTLI_INTEL_VERSION_CHECK(16, 0, 0) || \
+ BROTLI_SUNPRO_VERSION_CHECK(5, 12, 0) || \
+ BROTLI_ARM_VERSION_CHECK(4, 1, 0) || \
+ BROTLI_IBM_VERSION_CHECK(10, 1, 0) || \
+ BROTLI_TI_VERSION_CHECK(7, 3, 0) || \
+ BROTLI_TINYC_VERSION_CHECK(0, 9, 27)
+#define BROTLI_PREDICT_TRUE(x) (__builtin_expect(!!(x), 1))
+#define BROTLI_PREDICT_FALSE(x) (__builtin_expect(x, 0))
#else
-#define BROTLI_ATTRIBUTE_ALWAYS_INLINE
+#define BROTLI_PREDICT_FALSE(x) (x)
+#define BROTLI_PREDICT_TRUE(x) (x)
#endif
-#if defined(_WIN32) || defined(__CYGWIN__)
-#define BROTLI_ATTRIBUTE_VISIBILITY_HIDDEN
-#elif BROTLI_MODERN_COMPILER || __has_attribute(visibility)
-#define BROTLI_ATTRIBUTE_VISIBILITY_HIDDEN \
- __attribute__ ((visibility ("hidden")))
+#if defined(__STDC_VERSION__) && (__STDC_VERSION__ >= 199901L) && \
+ !defined(__cplusplus)
+#define BROTLI_RESTRICT restrict
+#elif BROTLI_GNUC_VERSION_CHECK(3, 1, 0) || \
+ BROTLI_MSVC_VERSION_CHECK(14, 0, 0) || \
+ BROTLI_INTEL_VERSION_CHECK(16, 0, 0) || \
+ BROTLI_ARM_VERSION_CHECK(4, 1, 0) || \
+ BROTLI_IBM_VERSION_CHECK(10, 1, 0) || \
+ BROTLI_PGI_VERSION_CHECK(17, 10, 0) || \
+ BROTLI_TI_VERSION_CHECK(8, 0, 0) || \
+ BROTLI_IAR_VERSION_CHECK(8, 0, 0) || \
+ (BROTLI_SUNPRO_VERSION_CHECK(5, 14, 0) && defined(__cplusplus))
+#define BROTLI_RESTRICT __restrict
+#elif BROTLI_SUNPRO_VERSION_CHECK(5, 3, 0) && !defined(__cplusplus)
+#define BROTLI_RESTRICT _Restrict
#else
-#define BROTLI_ATTRIBUTE_VISIBILITY_HIDDEN
+#define BROTLI_RESTRICT
#endif
-#ifndef BROTLI_INTERNAL
-#define BROTLI_INTERNAL BROTLI_ATTRIBUTE_VISIBILITY_HIDDEN
+#if (defined(__STDC_VERSION__) && (__STDC_VERSION__ >= 199901L)) || \
+ (defined(__cplusplus) && (__cplusplus >= 199711L))
+#define BROTLI_MAYBE_INLINE inline
+#elif defined(__GNUC_STDC_INLINE__) || defined(__GNUC_GNU_INLINE__) || \
+ BROTLI_ARM_VERSION_CHECK(6, 2, 0)
+#define BROTLI_MAYBE_INLINE __inline__
+#elif BROTLI_MSVC_VERSION_CHECK(12, 0, 0) || \
+ BROTLI_ARM_VERSION_CHECK(4, 1, 0) || BROTLI_TI_VERSION_CHECK(8, 0, 0)
+#define BROTLI_MAYBE_INLINE __inline
+#else
+#define BROTLI_MAYBE_INLINE
#endif
-#ifndef _MSC_VER
-#if defined(__cplusplus) || !defined(__STRICT_ANSI__) || \
- (defined(__STDC_VERSION__) && __STDC_VERSION__ >= 199901L)
-#define BROTLI_INLINE inline BROTLI_ATTRIBUTE_ALWAYS_INLINE
+#if BROTLI_GNUC_HAS_ATTRIBUTE(always_inline, 4, 0, 0) || \
+ BROTLI_INTEL_VERSION_CHECK(16, 0, 0) || \
+ BROTLI_SUNPRO_VERSION_CHECK(5, 11, 0) || \
+ BROTLI_ARM_VERSION_CHECK(4, 1, 0) || \
+ BROTLI_IBM_VERSION_CHECK(10, 1, 0) || \
+ BROTLI_TI_VERSION_CHECK(8, 0, 0) || \
+ (BROTLI_TI_VERSION_CHECK(7, 3, 0) && defined(__TI_GNU_ATTRIBUTE_SUPPORT__))
+#define BROTLI_INLINE BROTLI_MAYBE_INLINE __attribute__((__always_inline__))
+#elif BROTLI_MSVC_VERSION_CHECK(12, 0, 0)
+#define BROTLI_INLINE BROTLI_MAYBE_INLINE __forceinline
+#elif BROTLI_TI_VERSION_CHECK(7, 0, 0) && defined(__cplusplus)
+#define BROTLI_INLINE BROTLI_MAYBE_INLINE _Pragma("FUNC_ALWAYS_INLINE;")
+#elif BROTLI_IAR_VERSION_CHECK(8, 0, 0)
+#define BROTLI_INLINE BROTLI_MAYBE_INLINE _Pragma("inline=forced")
#else
-#define BROTLI_INLINE
+#define BROTLI_INLINE BROTLI_MAYBE_INLINE
#endif
-#else /* _MSC_VER */
-#define BROTLI_INLINE __forceinline
-#endif /* _MSC_VER */
-#if BROTLI_MODERN_COMPILER || __has_attribute(unused)
-#define BROTLI_UNUSED_FUNCTION static BROTLI_INLINE __attribute__ ((unused))
+#if BROTLI_GNUC_HAS_ATTRIBUTE(noinline, 4, 0, 0) || \
+ BROTLI_INTEL_VERSION_CHECK(16, 0, 0) || \
+ BROTLI_SUNPRO_VERSION_CHECK(5, 11, 0) || \
+ BROTLI_ARM_VERSION_CHECK(4, 1, 0) || \
+ BROTLI_IBM_VERSION_CHECK(10, 1, 0) || \
+ BROTLI_TI_VERSION_CHECK(8, 0, 0) || \
+ (BROTLI_TI_VERSION_CHECK(7, 3, 0) && defined(__TI_GNU_ATTRIBUTE_SUPPORT__))
+#define BROTLI_NOINLINE __attribute__((__noinline__))
+#elif BROTLI_MSVC_VERSION_CHECK(13, 10, 0)
+#define BROTLI_NOINLINE __declspec(noinline)
+#elif BROTLI_PGI_VERSION_CHECK(10, 2, 0)
+#define BROTLI_NOINLINE _Pragma("noinline")
+#elif BROTLI_TI_VERSION_CHECK(6, 0, 0) && defined(__cplusplus)
+#define BROTLI_NOINLINE _Pragma("FUNC_CANNOT_INLINE;")
+#elif BROTLI_IAR_VERSION_CHECK(8, 0, 0)
+#define BROTLI_NOINLINE _Pragma("inline=never")
#else
-#define BROTLI_UNUSED_FUNCTION static BROTLI_INLINE
+#define BROTLI_NOINLINE
#endif
-#if !defined(__cplusplus) && !defined(c_plusplus) && \
- (defined(__STDC_VERSION__) && __STDC_VERSION__ >= 199901L)
-#define BROTLI_RESTRICT restrict
-#elif BROTLI_GCC_VERSION > 295 || defined(__llvm__)
-#define BROTLI_RESTRICT __restrict
+/* BROTLI_INTERNAL could be defined to override visibility, e.g. for tests. */
+#if !defined(BROTLI_INTERNAL)
+#if defined(_WIN32) || defined(__CYGWIN__)
+#define BROTLI_INTERNAL
+#elif BROTLI_GNUC_VERSION_CHECK(3, 3, 0) || \
+ BROTLI_TI_VERSION_CHECK(8, 0, 0) || \
+ BROTLI_INTEL_VERSION_CHECK(16, 0, 0) || \
+ BROTLI_ARM_VERSION_CHECK(4, 1, 0) || \
+ BROTLI_IBM_VERSION_CHECK(13, 1, 0) || \
+ BROTLI_SUNPRO_VERSION_CHECK(5, 11, 0) || \
+ (BROTLI_TI_VERSION_CHECK(7, 3, 0) && \
+ defined(__TI_GNU_ATTRIBUTE_SUPPORT__) && defined(__TI_EABI__))
+#define BROTLI_INTERNAL __attribute__ ((visibility ("hidden")))
#else
-#define BROTLI_RESTRICT
+#define BROTLI_INTERNAL
#endif
+#endif
+
+/* <<< <<< <<< end of hedley macros. */
-#if BROTLI_MODERN_COMPILER || __has_attribute(noinline)
-#define BROTLI_NOINLINE __attribute__((noinline))
+#if BROTLI_GNUC_HAS_ATTRIBUTE(unused, 2, 7, 0) || \
+ BROTLI_INTEL_VERSION_CHECK(16, 0, 0)
+#define BROTLI_UNUSED_FUNCTION static BROTLI_INLINE __attribute__ ((unused))
#else
-#define BROTLI_NOINLINE
+#define BROTLI_UNUSED_FUNCTION static BROTLI_INLINE
#endif
#if (defined(__ARM_ARCH) && (__ARM_ARCH == 7)) || \
@@ -121,12 +202,16 @@
#define BROTLI_TARGET_POWERPC64
#endif
+#if defined(__riscv) && defined(__riscv_xlen) && __riscv_xlen == 64
+#define BROTLI_TARGET_RISCV64
+#endif
+
#if defined(BROTLI_BUILD_64_BIT)
#define BROTLI_64_BITS 1
#elif defined(BROTLI_BUILD_32_BIT)
#define BROTLI_64_BITS 0
#elif defined(BROTLI_TARGET_X64) || defined(BROTLI_TARGET_ARMV8) || \
- defined(BROTLI_TARGET_POWERPC64)
+ defined(BROTLI_TARGET_POWERPC64) || defined(BROTLI_TARGET_RISCV64)
#define BROTLI_64_BITS 1
#else
#define BROTLI_64_BITS 0
@@ -167,16 +252,17 @@
#define BROTLI_BIG_ENDIAN 0
#endif
-#ifdef BROTLI_X_BYTE_ORDER
+#if defined(BROTLI_X_BYTE_ORDER)
#undef BROTLI_X_BYTE_ORDER
#undef BROTLI_X_LITTLE_ENDIAN
#undef BROTLI_X_BIG_ENDIAN
#endif
-#ifdef BROTLI_BUILD_PORTABLE
+#if defined(BROTLI_BUILD_PORTABLE)
#define BROTLI_ALIGNED_READ (!!1)
#elif defined(BROTLI_TARGET_X86) || defined(BROTLI_TARGET_X64) || \
- defined(BROTLI_TARGET_ARMV7) || defined(BROTLI_TARGET_ARMV8)
+ defined(BROTLI_TARGET_ARMV7) || defined(BROTLI_TARGET_ARMV8) || \
+ defined(BROTLI_TARGET_RISCV64)
/* Allow unaligned read only for white-listed CPUs. */
#define BROTLI_ALIGNED_READ (!!0)
#else
@@ -306,34 +392,9 @@ static BROTLI_INLINE void BROTLI_UNALIGNED_STORE64LE(void* p, uint64_t v) {
}
#endif /* BROTLI_LITTLE_ENDIAN */
-/* Define "BROTLI_PREDICT_TRUE" and "BROTLI_PREDICT_FALSE" macros for capable
- compilers.
-
-To apply compiler hint, enclose the branching condition into macros, like this:
-
- if (BROTLI_PREDICT_TRUE(zero == 0)) {
- // main execution path
- } else {
- // compiler should place this code outside of main execution path
- }
-
-OR:
-
- if (BROTLI_PREDICT_FALSE(something_rare_or_unexpected_happens)) {
- // compiler should place this code outside of main execution path
- }
-
-*/
-#if BROTLI_MODERN_COMPILER || __has_builtin(__builtin_expect)
-#define BROTLI_PREDICT_TRUE(x) (__builtin_expect(!!(x), 1))
-#define BROTLI_PREDICT_FALSE(x) (__builtin_expect(x, 0))
-#else
-#define BROTLI_PREDICT_FALSE(x) (x)
-#define BROTLI_PREDICT_TRUE(x) (x)
-#endif
-
/* BROTLI_IS_CONSTANT macros returns true for compile-time constants. */
-#if BROTLI_MODERN_COMPILER || __has_builtin(__builtin_constant_p)
+#if BROTLI_GNUC_HAS_BUILTIN(__builtin_constant_p, 3, 0, 1) || \
+ BROTLI_INTEL_VERSION_CHECK(16, 0, 0)
#define BROTLI_IS_CONSTANT(x) (!!__builtin_constant_p(x))
#else
#define BROTLI_IS_CONSTANT(x) (!!0)
@@ -345,7 +406,7 @@ OR:
#define BROTLI_HAS_UBFX (!!0)
#endif
-#ifdef BROTLI_ENABLE_LOG
+#if defined(BROTLI_ENABLE_LOG)
#define BROTLI_DCHECK(x) assert(x)
#define BROTLI_LOG(x) printf x
#else
@@ -363,7 +424,8 @@ static BROTLI_INLINE void BrotliDump(const char* f, int l, const char* fn) {
#define BROTLI_DUMP() (void)(0)
#endif
-#if (BROTLI_MODERN_COMPILER || defined(__llvm__)) && \
+/* TODO: add appropriate icc/sunpro/arm/ibm/ti checks. */
+#if (BROTLI_GNUC_VERSION_CHECK(3, 0, 0) || defined(__llvm__)) && \
!defined(BROTLI_BUILD_NO_RBIT)
#if defined(BROTLI_TARGET_ARMV7) || defined(BROTLI_TARGET_ARMV8)
/* TODO: detect ARMv6T2 and enable this code for it. */
@@ -415,32 +477,32 @@ static void BrotliDefaultFreeFunc(void* opaque, void* address) {
}
BROTLI_UNUSED_FUNCTION void BrotliSuppressUnusedFunctions(void) {
- BROTLI_UNUSED(BrotliSuppressUnusedFunctions);
- BROTLI_UNUSED(BrotliUnalignedRead16);
- BROTLI_UNUSED(BrotliUnalignedRead32);
- BROTLI_UNUSED(BrotliUnalignedRead64);
- BROTLI_UNUSED(BrotliUnalignedWrite64);
- BROTLI_UNUSED(BROTLI_UNALIGNED_LOAD16LE);
- BROTLI_UNUSED(BROTLI_UNALIGNED_LOAD32LE);
- BROTLI_UNUSED(BROTLI_UNALIGNED_LOAD64LE);
- BROTLI_UNUSED(BROTLI_UNALIGNED_STORE64LE);
- BROTLI_UNUSED(BrotliRBit);
- BROTLI_UNUSED(brotli_min_double);
- BROTLI_UNUSED(brotli_max_double);
- BROTLI_UNUSED(brotli_min_float);
- BROTLI_UNUSED(brotli_max_float);
- BROTLI_UNUSED(brotli_min_int);
- BROTLI_UNUSED(brotli_max_int);
- BROTLI_UNUSED(brotli_min_size_t);
- BROTLI_UNUSED(brotli_max_size_t);
- BROTLI_UNUSED(brotli_min_uint32_t);
- BROTLI_UNUSED(brotli_max_uint32_t);
- BROTLI_UNUSED(brotli_min_uint8_t);
- BROTLI_UNUSED(brotli_max_uint8_t);
- BROTLI_UNUSED(BrotliDefaultAllocFunc);
- BROTLI_UNUSED(BrotliDefaultFreeFunc);
+ BROTLI_UNUSED(&BrotliSuppressUnusedFunctions);
+ BROTLI_UNUSED(&BrotliUnalignedRead16);
+ BROTLI_UNUSED(&BrotliUnalignedRead32);
+ BROTLI_UNUSED(&BrotliUnalignedRead64);
+ BROTLI_UNUSED(&BrotliUnalignedWrite64);
+ BROTLI_UNUSED(&BROTLI_UNALIGNED_LOAD16LE);
+ BROTLI_UNUSED(&BROTLI_UNALIGNED_LOAD32LE);
+ BROTLI_UNUSED(&BROTLI_UNALIGNED_LOAD64LE);
+ BROTLI_UNUSED(&BROTLI_UNALIGNED_STORE64LE);
+ BROTLI_UNUSED(&BrotliRBit);
+ BROTLI_UNUSED(&brotli_min_double);
+ BROTLI_UNUSED(&brotli_max_double);
+ BROTLI_UNUSED(&brotli_min_float);
+ BROTLI_UNUSED(&brotli_max_float);
+ BROTLI_UNUSED(&brotli_min_int);
+ BROTLI_UNUSED(&brotli_max_int);
+ BROTLI_UNUSED(&brotli_min_size_t);
+ BROTLI_UNUSED(&brotli_max_size_t);
+ BROTLI_UNUSED(&brotli_min_uint32_t);
+ BROTLI_UNUSED(&brotli_max_uint32_t);
+ BROTLI_UNUSED(&brotli_min_uint8_t);
+ BROTLI_UNUSED(&brotli_max_uint8_t);
+ BROTLI_UNUSED(&BrotliDefaultAllocFunc);
+ BROTLI_UNUSED(&BrotliDefaultFreeFunc);
#if defined(BROTLI_DEBUG) || defined(BROTLI_ENABLE_LOG)
- BROTLI_UNUSED(BrotliDump);
+ BROTLI_UNUSED(&BrotliDump);
#endif
}