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Revision: 1.14
Committed: Wed Oct 15 13:46:25 2014 UTC (9 years, 8 months ago) by root
Branch: MAIN
Changes since 1.13: +9 -0 lines
Log Message:
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File Contents

# Content
1 implement is_constant for c11: https://gustedt.wordpress.com/2013/08/22/testing-compile-time-constness-and-null-pointers-with-c11s-_generic/
2
3 #ifdef _MSC_VER
4
5 #include <stdlib.h>
6 #define bswap_32(x) _byteswap_ulong(x)
7 #define bswap_64(x) _byteswap_uint64(x)
8
9 #elif defined(__APPLE__)
10
11 // Mac OS X / Darwin features
12 #include <libkern/OSByteOrder.h>
13 #define bswap_32(x) OSSwapInt32(x)
14 #define bswap_64(x) OSSwapInt64(x)
15
16 #elif defined(__sun) || defined(sun)
17
18 #include <sys/byteorder.h>
19 #define bswap_32(x) BSWAP_32(x)
20 #define bswap_64(x) BSWAP_64(x)
21
22 #elif defined(__FreeBSD__)
23
24 #include <sys/endian.h>
25 #define bswap_32(x) bswap32(x)
26 #define bswap_64(x) bswap64(x)
27
28 #elif defined(__OpenBSD__)
29
30 #include <sys/types.h>
31 #define bswap_32(x) swap32(x)
32 #define bswap_64(x) swap64(x)
33
34 #elif defined(__NetBSD__)
35
36 #include <sys/types.h>
37 #include <machine/bswap.h>
38 #if defined(__BSWAP_RENAME) && !defined(__bswap_32)
39 #define bswap_32(x) bswap32(x)
40 #define bswap_64(x) bswap64(x)
41 #endif
42
43 #else
44
45 #include <byteswap.h>
46
47 #endif
48
49 0x00010001
50 - add ecb_is_pot32/64.
51 - add intptr_t/uintptr_t.
52 - add ECB_PTRSIZE.
53 - more macros for C/C++ version checks.
54 - support C11 atomics for memory fences.
55 - support gcc-4.7 atomics for memory fences.
56 - support m68k, m88k and sh (patch by Miod Vallat).
57 - add ecb_binary16_to_float.
58
59 TODO: ecb_restrict_array etc. http://ue.tst.eu/5093eafd713ec5fda776d8065070aa4c.txt
60 TODO: ffs/clz
61 64 bit variants of everything
62 TODO: examples from X for clz/ctz
63 TODO: arithmetic right shift
64 TODO: template/generic functions for x32/x64 and so on
65 TODO: #define ecb_integer_multiples_of(n,d) ((char (*)[d])(n) - (char (*)[d])0)
66 TODO: generalised shift
67 TODO: #define ECB_FAST_UNALIGNED_ACCESS
68 unsigned long gensh(unsigned long v, int x) {
69 int a, b;
70 a = (v << x) & -(((unsigned int)x) < 32);
71 x = -x;
72 b = (v >> x) & -(((unsigned int)x) < 32);
73 return a|b;
74 }
75
76 TODO: read/write unaligned macros
77 TODO: htonl and friends
78 TODO: macro to convetr from unsigned to signed "the natural way"
79 TODO: ecb_deprecated with message
80 TODO: ecb_static_assert, with message (just like boost), or somesuch, using array-declaration
81 TODO: alignof
82
83