|
|
|
@ -534,7 +534,7 @@ struct signalfd_siginfo
|
|
|
|
|
#define ECB_H
|
|
|
|
|
|
|
|
|
|
/* 16 bits major, 16 bits minor */
|
|
|
|
|
#define ECB_VERSION 0x00010004
|
|
|
|
|
#define ECB_VERSION 0x00010005
|
|
|
|
|
|
|
|
|
|
#ifdef _WIN32
|
|
|
|
|
typedef signed char int8_t;
|
|
|
|
@ -561,7 +561,7 @@ struct signalfd_siginfo
|
|
|
|
|
#endif
|
|
|
|
|
#else
|
|
|
|
|
#include <inttypes.h>
|
|
|
|
|
#if UINTMAX_MAX > 0xffffffffU
|
|
|
|
|
#if (defined INTPTR_MAX ? INTPTR_MAX : ULONG_MAX) > 0xffffffffU
|
|
|
|
|
#define ECB_PTRSIZE 8
|
|
|
|
|
#else
|
|
|
|
|
#define ECB_PTRSIZE 4
|
|
|
|
@ -649,6 +649,10 @@ struct signalfd_siginfo
|
|
|
|
|
#include <builtins.h>
|
|
|
|
|
#endif
|
|
|
|
|
|
|
|
|
|
#if 1400 <= _MSC_VER
|
|
|
|
|
#include <intrin.h> /* fence functions _ReadBarrier, also bit search functions _BitScanReverse */
|
|
|
|
|
#endif
|
|
|
|
|
|
|
|
|
|
#ifndef ECB_MEMORY_FENCE
|
|
|
|
|
#if ECB_GCC_VERSION(2,5) || defined __INTEL_COMPILER || (__llvm__ && __GNUC__) || __SUNPRO_C >= 0x5110 || __SUNPRO_CC >= 0x5110
|
|
|
|
|
#if __i386 || __i386__
|
|
|
|
@ -661,11 +665,19 @@ struct signalfd_siginfo
|
|
|
|
|
#define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("")
|
|
|
|
|
#elif __powerpc__ || __ppc__ || __powerpc64__ || __ppc64__
|
|
|
|
|
#define ECB_MEMORY_FENCE __asm__ __volatile__ ("sync" : : : "memory")
|
|
|
|
|
#elif defined __ARM_ARCH_2__ \
|
|
|
|
|
|| defined __ARM_ARCH_3__ || defined __ARM_ARCH_3M__ \
|
|
|
|
|
|| defined __ARM_ARCH_4__ || defined __ARM_ARCH_4T__ \
|
|
|
|
|
|| defined __ARM_ARCH_5__ || defined __ARM_ARCH_5E__ \
|
|
|
|
|
|| defined __ARM_ARCH_5T__ || defined __ARM_ARCH_5TE__ \
|
|
|
|
|
|| defined __ARM_ARCH_5TEJ__
|
|
|
|
|
/* should not need any, unless running old code on newer cpu - arm doesn't support that */
|
|
|
|
|
#elif defined __ARM_ARCH_6__ || defined __ARM_ARCH_6J__ \
|
|
|
|
|
|| defined __ARM_ARCH_6K__ || defined __ARM_ARCH_6ZK__
|
|
|
|
|
|| defined __ARM_ARCH_6K__ || defined __ARM_ARCH_6ZK__ \
|
|
|
|
|
|| defined __ARM_ARCH_6T2__
|
|
|
|
|
#define ECB_MEMORY_FENCE __asm__ __volatile__ ("mcr p15,0,%0,c7,c10,5" : : "r" (0) : "memory")
|
|
|
|
|
#elif defined __ARM_ARCH_7__ || defined __ARM_ARCH_7A__ \
|
|
|
|
|
|| defined __ARM_ARCH_7M__ || defined __ARM_ARCH_7R__
|
|
|
|
|
|| defined __ARM_ARCH_7R__ || defined __ARM_ARCH_7M__
|
|
|
|
|
#define ECB_MEMORY_FENCE __asm__ __volatile__ ("dmb" : : : "memory")
|
|
|
|
|
#elif __aarch64__
|
|
|
|
|
#define ECB_MEMORY_FENCE __asm__ __volatile__ ("dmb ish" : : : "memory")
|
|
|
|
@ -917,6 +929,11 @@ typedef int ecb_bool;
|
|
|
|
|
ecb_function_ ecb_const int
|
|
|
|
|
ecb_ctz32 (uint32_t x)
|
|
|
|
|
{
|
|
|
|
|
#if 1400 <= _MSC_VER && (_M_IX86 || _M_X64 || _M_IA64 || _M_ARM)
|
|
|
|
|
unsigned long r;
|
|
|
|
|
_BitScanForward (&r, x);
|
|
|
|
|
return (int)r;
|
|
|
|
|
#else
|
|
|
|
|
int r = 0;
|
|
|
|
|
|
|
|
|
|
x &= ~x + 1; /* this isolates the lowest bit */
|
|
|
|
@ -936,14 +953,21 @@ typedef int ecb_bool;
|
|
|
|
|
#endif
|
|
|
|
|
|
|
|
|
|
return r;
|
|
|
|
|
#endif
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
ecb_function_ ecb_const int ecb_ctz64 (uint64_t x);
|
|
|
|
|
ecb_function_ ecb_const int
|
|
|
|
|
ecb_ctz64 (uint64_t x)
|
|
|
|
|
{
|
|
|
|
|
int shift = x & 0xffffffffU ? 0 : 32;
|
|
|
|
|
#if 1400 <= _MSC_VER && (_M_X64 || _M_IA64 || _M_ARM)
|
|
|
|
|
unsigned long r;
|
|
|
|
|
_BitScanForward64 (&r, x);
|
|
|
|
|
return (int)r;
|
|
|
|
|
#else
|
|
|
|
|
int shift = x & 0xffffffff ? 0 : 32;
|
|
|
|
|
return ecb_ctz32 (x >> shift) + shift;
|
|
|
|
|
#endif
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
ecb_function_ ecb_const int ecb_popcount32 (uint32_t x);
|
|
|
|
@ -961,6 +985,11 @@ typedef int ecb_bool;
|
|
|
|
|
ecb_function_ ecb_const int ecb_ld32 (uint32_t x);
|
|
|
|
|
ecb_function_ ecb_const int ecb_ld32 (uint32_t x)
|
|
|
|
|
{
|
|
|
|
|
#if 1400 <= _MSC_VER && (_M_IX86 || _M_X64 || _M_IA64 || _M_ARM)
|
|
|
|
|
unsigned long r;
|
|
|
|
|
_BitScanReverse (&r, x);
|
|
|
|
|
return (int)r;
|
|
|
|
|
#else
|
|
|
|
|
int r = 0;
|
|
|
|
|
|
|
|
|
|
if (x >> 16) { x >>= 16; r += 16; }
|
|
|
|
@ -970,16 +999,23 @@ typedef int ecb_bool;
|
|
|
|
|
if (x >> 1) { r += 1; }
|
|
|
|
|
|
|
|
|
|
return r;
|
|
|
|
|
#endif
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
ecb_function_ ecb_const int ecb_ld64 (uint64_t x);
|
|
|
|
|
ecb_function_ ecb_const int ecb_ld64 (uint64_t x)
|
|
|
|
|
{
|
|
|
|
|
#if 1400 <= _MSC_VER && (_M_X64 || _M_IA64 || _M_ARM)
|
|
|
|
|
unsigned long r;
|
|
|
|
|
_BitScanReverse64 (&r, x);
|
|
|
|
|
return (int)r;
|
|
|
|
|
#else
|
|
|
|
|
int r = 0;
|
|
|
|
|
|
|
|
|
|
if (x >> 32) { x >>= 32; r += 32; }
|
|
|
|
|
|
|
|
|
|
return r + ecb_ld32 (x);
|
|
|
|
|
#endif
|
|
|
|
|
}
|
|
|
|
|
#endif
|
|
|
|
|
|
|
|
|
@ -1092,8 +1128,8 @@ ecb_inline ecb_const uint64_t ecb_rotr64 (uint64_t x, unsigned int count) { retu
|
|
|
|
|
/* try to tell the compiler that some condition is definitely true */
|
|
|
|
|
#define ecb_assume(cond) if (!(cond)) ecb_unreachable (); else 0
|
|
|
|
|
|
|
|
|
|
ecb_inline ecb_const unsigned char ecb_byteorder_helper (void);
|
|
|
|
|
ecb_inline ecb_const unsigned char
|
|
|
|
|
ecb_inline ecb_const uint32_t ecb_byteorder_helper (void);
|
|
|
|
|
ecb_inline ecb_const uint32_t
|
|
|
|
|
ecb_byteorder_helper (void)
|
|
|
|
|
{
|
|
|
|
|
/* the union code still generates code under pressure in gcc, */
|
|
|
|
@ -1102,26 +1138,28 @@ ecb_byteorder_helper (void)
|
|
|
|
|
/* the reason why we have this horrible preprocessor mess */
|
|
|
|
|
/* is to avoid it in all cases, at least on common architectures */
|
|
|
|
|
/* or when using a recent enough gcc version (>= 4.6) */
|
|
|
|
|
#if ((__i386 || __i386__) && !__VOS__) || _M_IX86 || ECB_GCC_AMD64 || ECB_MSVC_AMD64
|
|
|
|
|
return 0x44;
|
|
|
|
|
#elif __BYTE_ORDER__ && __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__
|
|
|
|
|
return 0x44;
|
|
|
|
|
#elif __BYTE_ORDER__ && __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__
|
|
|
|
|
return 0x11;
|
|
|
|
|
#if (defined __BYTE_ORDER__ && __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__) \
|
|
|
|
|
|| ((__i386 || __i386__ || _M_IX86 || ECB_GCC_AMD64 || ECB_MSVC_AMD64) && !__VOS__)
|
|
|
|
|
#define ECB_LITTLE_ENDIAN 1
|
|
|
|
|
return 0x44332211;
|
|
|
|
|
#elif (defined __BYTE_ORDER__ && __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__) \
|
|
|
|
|
|| ((__AARCH64EB__ || __MIPSEB__ || __ARMEB__) && !__VOS__)
|
|
|
|
|
#define ECB_BIG_ENDIAN 1
|
|
|
|
|
return 0x11223344;
|
|
|
|
|
#else
|
|
|
|
|
union
|
|
|
|
|
{
|
|
|
|
|
uint32_t i;
|
|
|
|
|
uint8_t c;
|
|
|
|
|
} u = { 0x11223344 };
|
|
|
|
|
return u.c;
|
|
|
|
|
uint8_t c[4];
|
|
|
|
|
uint32_t u;
|
|
|
|
|
} u = { 0x11, 0x22, 0x33, 0x44 };
|
|
|
|
|
return u.u;
|
|
|
|
|
#endif
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
ecb_inline ecb_const ecb_bool ecb_big_endian (void);
|
|
|
|
|
ecb_inline ecb_const ecb_bool ecb_big_endian (void) { return ecb_byteorder_helper () == 0x11; }
|
|
|
|
|
ecb_inline ecb_const ecb_bool ecb_big_endian (void) { return ecb_byteorder_helper () == 0x11223344; }
|
|
|
|
|
ecb_inline ecb_const ecb_bool ecb_little_endian (void);
|
|
|
|
|
ecb_inline ecb_const ecb_bool ecb_little_endian (void) { return ecb_byteorder_helper () == 0x44; }
|
|
|
|
|
ecb_inline ecb_const ecb_bool ecb_little_endian (void) { return ecb_byteorder_helper () == 0x44332211; }
|
|
|
|
|
|
|
|
|
|
#if ECB_GCC_VERSION(3,0) || ECB_C99
|
|
|
|
|
#define ecb_mod(m,n) ((m) % (n) + ((m) % (n) < 0 ? (n) : 0))
|
|
|
|
@ -1156,6 +1194,102 @@ ecb_inline ecb_const ecb_bool ecb_little_endian (void) { return ecb_byteorder_he
|
|
|
|
|
#define ecb_array_length(name) (sizeof (name) / sizeof (name [0]))
|
|
|
|
|
#endif
|
|
|
|
|
|
|
|
|
|
ecb_function_ ecb_const uint32_t ecb_binary16_to_binary32 (uint32_t x);
|
|
|
|
|
ecb_function_ ecb_const uint32_t
|
|
|
|
|
ecb_binary16_to_binary32 (uint32_t x)
|
|
|
|
|
{
|
|
|
|
|
unsigned int s = (x & 0x8000) << (31 - 15);
|
|
|
|
|
int e = (x >> 10) & 0x001f;
|
|
|
|
|
unsigned int m = x & 0x03ff;
|
|
|
|
|
|
|
|
|
|
if (ecb_expect_false (e == 31))
|
|
|
|
|
/* infinity or NaN */
|
|
|
|
|
e = 255 - (127 - 15);
|
|
|
|
|
else if (ecb_expect_false (!e))
|
|
|
|
|
{
|
|
|
|
|
if (ecb_expect_true (!m))
|
|
|
|
|
/* zero, handled by code below by forcing e to 0 */
|
|
|
|
|
e = 0 - (127 - 15);
|
|
|
|
|
else
|
|
|
|
|
{
|
|
|
|
|
/* subnormal, renormalise */
|
|
|
|
|
unsigned int s = 10 - ecb_ld32 (m);
|
|
|
|
|
|
|
|
|
|
m = (m << s) & 0x3ff; /* mask implicit bit */
|
|
|
|
|
e -= s - 1;
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/* e and m now are normalised, or zero, (or inf or nan) */
|
|
|
|
|
e += 127 - 15;
|
|
|
|
|
|
|
|
|
|
return s | (e << 23) | (m << (23 - 10));
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
ecb_function_ ecb_const uint16_t ecb_binary32_to_binary16 (uint32_t x);
|
|
|
|
|
ecb_function_ ecb_const uint16_t
|
|
|
|
|
ecb_binary32_to_binary16 (uint32_t x)
|
|
|
|
|
{
|
|
|
|
|
unsigned int s = (x >> 16) & 0x00008000; /* sign bit, the easy part */
|
|
|
|
|
unsigned int e = ((x >> 23) & 0x000000ff) - (127 - 15); /* the desired exponent */
|
|
|
|
|
unsigned int m = x & 0x007fffff;
|
|
|
|
|
|
|
|
|
|
x &= 0x7fffffff;
|
|
|
|
|
|
|
|
|
|
/* if it's within range of binary16 normals, use fast path */
|
|
|
|
|
if (ecb_expect_true (0x38800000 <= x && x <= 0x477fefff))
|
|
|
|
|
{
|
|
|
|
|
/* mantissa round-to-even */
|
|
|
|
|
m += 0x00000fff + ((m >> (23 - 10)) & 1);
|
|
|
|
|
|
|
|
|
|
/* handle overflow */
|
|
|
|
|
if (ecb_expect_false (m >= 0x00800000))
|
|
|
|
|
{
|
|
|
|
|
m >>= 1;
|
|
|
|
|
e += 1;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
return s | (e << 10) | (m >> (23 - 10));
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/* handle large numbers and infinity */
|
|
|
|
|
if (ecb_expect_true (0x477fefff < x && x <= 0x7f800000))
|
|
|
|
|
return s | 0x7c00;
|
|
|
|
|
|
|
|
|
|
/* handle zero, subnormals and small numbers */
|
|
|
|
|
if (ecb_expect_true (x < 0x38800000))
|
|
|
|
|
{
|
|
|
|
|
/* zero */
|
|
|
|
|
if (ecb_expect_true (!x))
|
|
|
|
|
return s;
|
|
|
|
|
|
|
|
|
|
/* handle subnormals */
|
|
|
|
|
|
|
|
|
|
/* too small, will be zero */
|
|
|
|
|
if (e < (14 - 24)) /* might not be sharp, but is good enough */
|
|
|
|
|
return s;
|
|
|
|
|
|
|
|
|
|
m |= 0x00800000; /* make implicit bit explicit */
|
|
|
|
|
|
|
|
|
|
/* very tricky - we need to round to the nearest e (+10) bit value */
|
|
|
|
|
{
|
|
|
|
|
unsigned int bits = 14 - e;
|
|
|
|
|
unsigned int half = (1 << (bits - 1)) - 1;
|
|
|
|
|
unsigned int even = (m >> bits) & 1;
|
|
|
|
|
|
|
|
|
|
/* if this overflows, we will end up with a normalised number */
|
|
|
|
|
m = (m + half + even) >> bits;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
return s | m;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/* handle NaNs, preserve leftmost nan bits, but make sure we don't turn them into infinities */
|
|
|
|
|
m >>= 13;
|
|
|
|
|
|
|
|
|
|
return s | 0x7c00 | m | !m;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/*******************************************************************************/
|
|
|
|
|
/* floating point stuff, can be disabled by defining ECB_NO_LIBM */
|
|
|
|
|
|
|
|
|
@ -1207,23 +1341,6 @@ ecb_inline ecb_const ecb_bool ecb_little_endian (void) { return ecb_byteorder_he
|
|
|
|
|
#define ecb_frexpf(x,e) (float) frexp ((double) (x), (e))
|
|
|
|
|
#endif
|
|
|
|
|
|
|
|
|
|
/* converts an ieee half/binary16 to a float */
|
|
|
|
|
ecb_function_ ecb_const float ecb_binary16_to_float (uint16_t x);
|
|
|
|
|
ecb_function_ ecb_const float
|
|
|
|
|
ecb_binary16_to_float (uint16_t x)
|
|
|
|
|
{
|
|
|
|
|
int e = (x >> 10) & 0x1f;
|
|
|
|
|
int m = x & 0x3ff;
|
|
|
|
|
float r;
|
|
|
|
|
|
|
|
|
|
if (!e ) r = ecb_ldexpf (m , -24);
|
|
|
|
|
else if (e != 31) r = ecb_ldexpf (m + 0x400, e - 25);
|
|
|
|
|
else if (m ) r = ECB_NAN;
|
|
|
|
|
else r = ECB_INFINITY;
|
|
|
|
|
|
|
|
|
|
return x & 0x8000 ? -r : r;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/* convert a float to ieee single/binary32 */
|
|
|
|
|
ecb_function_ ecb_const uint32_t ecb_float_to_binary32 (float x);
|
|
|
|
|
ecb_function_ ecb_const uint32_t
|
|
|
|
@ -1364,6 +1481,22 @@ ecb_inline ecb_const ecb_bool ecb_little_endian (void) { return ecb_byteorder_he
|
|
|
|
|
return r;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/* convert a float to ieee half/binary16 */
|
|
|
|
|
ecb_function_ ecb_const uint16_t ecb_float_to_binary16 (float x);
|
|
|
|
|
ecb_function_ ecb_const uint16_t
|
|
|
|
|
ecb_float_to_binary16 (float x)
|
|
|
|
|
{
|
|
|
|
|
return ecb_binary32_to_binary16 (ecb_float_to_binary32 (x));
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/* convert an ieee half/binary16 to float */
|
|
|
|
|
ecb_function_ ecb_const float ecb_binary16_to_float (uint16_t x);
|
|
|
|
|
ecb_function_ ecb_const float
|
|
|
|
|
ecb_binary16_to_float (uint16_t x)
|
|
|
|
|
{
|
|
|
|
|
return ecb_binary32_to_float (ecb_binary16_to_binary32 (x));
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
#endif
|
|
|
|
|
|
|
|
|
|
#endif
|
|
|
|
|