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master
Marc Alexander Lehmann 7 years ago
parent
commit
38a7085630
2 changed files with 28 additions and 3 deletions
  1. +1
    -0
      Changes
  2. +27
    -3
      ev.c

+ 1
- 0
Changes View File

@ -13,6 +13,7 @@ TODO: store loop pid_t and compare isndie signal handler,store 1 for same, 2 for
TODO: embed watchers need updating when fd changes
TODO: document portbaility requirements for atomic pointer access
TODO: glibc >=2.17 do not need -lrt for clock_xxx
- mark event pipe fd as cloexec after a fork (analyzed by Sami Farin).
- (ecb) support m68k, m88k and sh (patch by Miod Vallat).


+ 27
- 3
ev.c View File

@ -553,7 +553,7 @@ struct signalfd_siginfo
/* work around x32 idiocy by defining proper macros */
#if __x86_64 || _M_AMD64
#if __ILP32
#if _ILP32
#define ECB_AMD64_X32 1
#else
#define ECB_AMD64 1
@ -629,7 +629,7 @@ struct signalfd_siginfo
#elif defined __s390__ || defined __s390x__
#define ECB_MEMORY_FENCE __asm__ __volatile__ ("bcr 15,0" : : : "memory")
#elif defined __mips__
/* GNU/Linux emulates sync on mips1 architectures, so we force it's use */
/* GNU/Linux emulates sync on mips1 architectures, so we force its use */
/* anybody else who still uses mips1 is supposed to send in their version, with detection code. */
#define ECB_MEMORY_FENCE __asm__ __volatile__ (".set mips2; sync; .set mips0" : : : "memory")
#elif defined __alpha__
@ -1069,11 +1069,35 @@ ecb_inline ecb_bool ecb_little_endian (void) { return ecb_byteorder_helper () ==
#include <string.h> /* for memcpy */
#else
#define ECB_STDFP 0
#include <math.h> /* for frexp*, ldexp* */
#endif
#ifndef ECB_NO_LIBM
#include <math.h> /* for frexp*, ldexp*, INFINITY, NAN */
#ifdef NEN
#define ECB_NAN NAN
#else
#define ECB_NAN INFINITY
#endif
/* converts an ieee half/binary16 to a float */
ecb_function_ float ecb_binary16_to_float (uint16_t x) ecb_const;
ecb_function_ float
ecb_binary16_to_float (uint16_t x)
{
int e = (x >> 10) & 0x1f;
int m = x & 0x3ff;
float r;
if (!e ) r = ldexpf (m , -24);
else if (e != 31) r = ldexpf (m + 0x400, e - 25);
else if (m ) r = ECB_NAN;
else r = INFINITY;
return x & 0x8000 ? -r : r;
}
/* convert a float to ieee single/binary32 */
ecb_function_ uint32_t ecb_float_to_binary32 (float x) ecb_const;
ecb_function_ uint32_t


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