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Revision: 1.13
Committed: Sun Jan 5 15:54:09 2014 UTC (10 years, 5 months ago) by root
Branch: MAIN
Changes since 1.12: +1 -0 lines
Log Message:
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File Contents

# User Rev Content
1 root 1.13 implement is_constant for c11: https://gustedt.wordpress.com/2013/08/22/testing-compile-time-constness-and-null-pointers-with-c11s-_generic/
2 root 1.12
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 root 1.6 0x00010001
50     - add ecb_is_pot32/64.
51     - add intptr_t/uintptr_t.
52     - add ECB_PTRSIZE.
53 root 1.7 - more macros for C/C++ version checks.
54     - support C11 atomics for memory fences.
55     - support gcc-4.7 atomics for memory fences.
56 root 1.10 - support m68k, m88k and sh (patch by Miod Vallat).
57 root 1.11 - add ecb_binary16_to_float.
58 root 1.6
59 root 1.9 TODO: ecb_restrict_array etc. http://ue.tst.eu/5093eafd713ec5fda776d8065070aa4c.txt
60 root 1.1 TODO: ffs/clz
61     64 bit variants of everything
62 root 1.2 TODO: examples from X for clz/ctz
63 root 1.3 TODO: arithmetic right shift
64     TODO: template/generic functions for x32/x64 and so on
65 root 1.4 TODO: #define ecb_integer_multiples_of(n,d) ((char (*)[d])(n) - (char (*)[d])0)
66 root 1.3 TODO: generalised shift
67 root 1.8 TODO: #define ECB_FAST_UNALIGNED_ACCESS
68 root 1.3 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     }