OpenCores
URL https://opencores.org/ocsvn/openrisc/openrisc/trunk

Subversion Repositories openrisc

[/] [openrisc/] [trunk/] [or1ksim/] [softfloat/] [host.h] - Blame information for rev 774

Go to most recent revision | Details | Compare with Previous | View Log

Line No. Rev Author Line
1 234 jeremybenn
 
2
// To check endianness and if compiler supports 64-bit type (sizeof(long long))
3
#include "config.h"
4
 
5
/*----------------------------------------------------------------------------
6
| One of the macros `BIGENDIAN' or `LITTLEENDIAN' must be defined.
7
*----------------------------------------------------------------------------*/
8
#ifdef WORDS_BIGENDIAN
9
# define BIGENDIAN
10
#else
11
# define LITTLEENDIAN
12
#endif
13
/*----------------------------------------------------------------------------
14
| The macro `BITS64' can be defined to indicate that 64-bit integer types are
15
| supported by the compiler.
16
| Configure script should check sizeof long long at configure time.
17
*----------------------------------------------------------------------------*/
18
 
19
#if SIZEOF_LONG_LONG!=8
20
# error Compiler does not appear to have 64-bit types. This is required for the SoftFloat library.
21
#else
22
#define BITS64
23
#endif
24
 
25
/*----------------------------------------------------------------------------
26
| Each of the following `typedef's defines the most convenient type that holds
27
| integers of at least as many bits as specified.  For example, `uint8' should
28
| be the most convenient type that can hold unsigned integers of as many as
29
| 8 bits.  The `flag' type must be able to hold either a 0 or 1.  For most
30
| implementations of C, `flag', `uint8', and `int8' should all be `typedef'ed
31
| to the same as `int'.
32
*----------------------------------------------------------------------------*/
33
typedef char flag;
34
typedef unsigned char uint8;
35
typedef signed char int8;
36
typedef int uint16;
37
typedef int int16;
38
typedef unsigned int uint32;
39
typedef signed int int32;
40
#ifdef BITS64
41
typedef unsigned long long int uint64;
42
typedef signed long long int int64;
43
#endif
44
 
45
/*----------------------------------------------------------------------------
46
| Each of the following `typedef's defines a type that holds integers
47
| of _exactly_ the number of bits specified.  For instance, for most
48
| implementation of C, `bits16' and `sbits16' should be `typedef'ed to
49
| `unsigned short int' and `signed short int' (or `short int'), respectively.
50
*----------------------------------------------------------------------------*/
51
typedef unsigned char bits8;
52
typedef signed char sbits8;
53
typedef unsigned short int bits16;
54
typedef signed short int sbits16;
55
typedef unsigned int bits32;
56
typedef signed int sbits32;
57
#ifdef BITS64
58
typedef unsigned long long int bits64;
59
typedef signed long long int sbits64;
60
#endif
61
 
62
#ifdef BITS64
63
/*----------------------------------------------------------------------------
64
| The `LIT64' macro takes as its argument a textual integer literal and
65
| if necessary ``marks'' the literal as having a 64-bit integer type.
66
| For example, the GNU C Compiler (`gcc') requires that 64-bit literals be
67
| appended with the letters `LL' standing for `long long', which is `gcc's
68
| name for the 64-bit integer type.  Some compilers may allow `LIT64' to be
69
| defined as the identity macro:  `#define LIT64( a ) a'.
70
*----------------------------------------------------------------------------*/
71
#define LIT64( a ) a##LL
72
#endif
73
 
74
/*----------------------------------------------------------------------------
75
| The macro `INLINE' can be used before functions that should be inlined.  If
76
| a compiler does not support explicit inlining, this macro should be defined
77
| to be `static'.
78
*----------------------------------------------------------------------------*/
79 236 jeremybenn
#ifndef INLINE
80 234 jeremybenn
#define INLINE extern inline
81 236 jeremybenn
#endif
82 234 jeremybenn
 
83 236 jeremybenn
 

powered by: WebSVN 2.1.0

© copyright 1999-2024 OpenCores.org, equivalent to Oliscience, all rights reserved. OpenCores®, registered trademark.