xref: /openbmc/linux/arch/arm/nwfpe/ARM-gcc.h (revision 2a598d0b)
1 /* SPDX-License-Identifier: GPL-2.0 */
2 /*
3 -------------------------------------------------------------------------------
4 The macro `BITS64' can be defined to indicate that 64-bit integer types are
5 supported by the compiler.
6 -------------------------------------------------------------------------------
7 */
8 #define BITS64
9 
10 /*
11 -------------------------------------------------------------------------------
12 Each of the following `typedef's defines the most convenient type that holds
13 integers of at least as many bits as specified.  For example, `uint8' should
14 be the most convenient type that can hold unsigned integers of as many as
15 8 bits.  The `flag' type must be able to hold either a 0 or 1.  For most
16 implementations of C, `flag', `uint8', and `int8' should all be `typedef'ed
17 to the same as `int'.
18 -------------------------------------------------------------------------------
19 */
20 typedef char flag;
21 typedef unsigned char uint8;
22 typedef signed char int8;
23 typedef int uint16;
24 typedef int int16;
25 typedef unsigned int uint32;
26 typedef signed int int32;
27 #ifdef BITS64
28 typedef unsigned long long int bits64;
29 typedef signed long long int sbits64;
30 #endif
31 
32 /*
33 -------------------------------------------------------------------------------
34 Each of the following `typedef's defines a type that holds integers
35 of _exactly_ the number of bits specified.  For instance, for most
36 implementation of C, `bits16' and `sbits16' should be `typedef'ed to
37 `unsigned short int' and `signed short int' (or `short int'), respectively.
38 -------------------------------------------------------------------------------
39 */
40 typedef unsigned char bits8;
41 typedef signed char sbits8;
42 typedef unsigned short int bits16;
43 typedef signed short int sbits16;
44 typedef unsigned int bits32;
45 typedef signed int sbits32;
46 #ifdef BITS64
47 typedef unsigned long long int uint64;
48 typedef signed long long int int64;
49 #endif
50 
51 #ifdef BITS64
52 /*
53 -------------------------------------------------------------------------------
54 The `LIT64' macro takes as its argument a textual integer literal and if
55 necessary ``marks'' the literal as having a 64-bit integer type.  For
56 example, the Gnu C Compiler (`gcc') requires that 64-bit literals be
57 appended with the letters `LL' standing for `long long', which is `gcc's
58 name for the 64-bit integer type.  Some compilers may allow `LIT64' to be
59 defined as the identity macro:  `#define LIT64( a ) a'.
60 -------------------------------------------------------------------------------
61 */
62 #define LIT64( a ) a##LL
63 #endif
64 
65 /*
66 -------------------------------------------------------------------------------
67 The macro `INLINE' can be used before functions that should be inlined.  If
68 a compiler does not support explicit inlining, this macro should be defined
69 to be `static'.
70 -------------------------------------------------------------------------------
71 */
72 #define INLINE static inline
73 
74 
75 /* For use as a GCC soft-float library we need some special function names. */
76 
77 #ifdef __LIBFLOAT__
78 
79 /* Some 32-bit ops can be mapped straight across by just changing the name. */
80 #define float32_add			__addsf3
81 #define float32_sub			__subsf3
82 #define float32_mul			__mulsf3
83 #define float32_div			__divsf3
84 #define int32_to_float32		__floatsisf
85 #define float32_to_int32_round_to_zero	__fixsfsi
86 #define float32_to_uint32_round_to_zero	__fixunssfsi
87 
88 /* These ones go through the glue code.  To avoid namespace pollution
89    we rename the internal functions too.  */
90 #define float32_eq			___float32_eq
91 #define float32_le			___float32_le
92 #define float32_lt			___float32_lt
93 
94 /* All the 64-bit ops have to go through the glue, so we pull the same
95    trick.  */
96 #define float64_add			___float64_add
97 #define float64_sub			___float64_sub
98 #define float64_mul			___float64_mul
99 #define float64_div			___float64_div
100 #define int32_to_float64		___int32_to_float64
101 #define float64_to_int32_round_to_zero	___float64_to_int32_round_to_zero
102 #define float64_to_uint32_round_to_zero	___float64_to_uint32_round_to_zero
103 #define float64_to_float32		___float64_to_float32
104 #define float32_to_float64		___float32_to_float64
105 #define float64_eq			___float64_eq
106 #define float64_le			___float64_le
107 #define float64_lt			___float64_lt
108 
109 #if 0
110 #define float64_add			__adddf3
111 #define float64_sub			__subdf3
112 #define float64_mul			__muldf3
113 #define float64_div			__divdf3
114 #define int32_to_float64		__floatsidf
115 #define float64_to_int32_round_to_zero	__fixdfsi
116 #define float64_to_uint32_round_to_zero	__fixunsdfsi
117 #define float64_to_float32		__truncdfsf2
118 #define float32_to_float64		__extendsfdf2
119 #endif
120 
121 #endif
122