root / target-arm / op_addsub.h @ 14899cdf
History | View | Annotate | Download (1.8 kB)
1 |
/*
|
---|---|
2 |
* ARMv6 integer SIMD operations.
|
3 |
*
|
4 |
* Copyright (c) 2007 CodeSourcery.
|
5 |
* Written by Paul Brook
|
6 |
*
|
7 |
* This code is licenced under the GPL.
|
8 |
*/
|
9 |
|
10 |
#ifdef ARITH_GE
|
11 |
#define GE_ARG , void *gep |
12 |
#define DECLARE_GE uint32_t ge = 0 |
13 |
#define SET_GE *(uint32_t *)gep = ge
|
14 |
#else
|
15 |
#define GE_ARG
|
16 |
#define DECLARE_GE do{}while(0) |
17 |
#define SET_GE do{}while(0) |
18 |
#endif
|
19 |
|
20 |
#define RESULT(val, n, width) \
|
21 |
res |= ((uint32_t)(glue(glue(uint,width),_t))(val)) << (n * width) |
22 |
|
23 |
uint32_t HELPER(glue(PFX,add16))(uint32_t a, uint32_t b GE_ARG) |
24 |
{ |
25 |
uint32_t res = 0;
|
26 |
DECLARE_GE; |
27 |
|
28 |
ADD16(a, b, 0);
|
29 |
ADD16(a >> 16, b >> 16, 1); |
30 |
SET_GE; |
31 |
return res;
|
32 |
} |
33 |
|
34 |
uint32_t HELPER(glue(PFX,add8))(uint32_t a, uint32_t b GE_ARG) |
35 |
{ |
36 |
uint32_t res = 0;
|
37 |
DECLARE_GE; |
38 |
|
39 |
ADD8(a, b, 0);
|
40 |
ADD8(a >> 8, b >> 8, 1); |
41 |
ADD8(a >> 16, b >> 16, 2); |
42 |
ADD8(a >> 24, b >> 24, 3); |
43 |
SET_GE; |
44 |
return res;
|
45 |
} |
46 |
|
47 |
uint32_t HELPER(glue(PFX,sub16))(uint32_t a, uint32_t b GE_ARG) |
48 |
{ |
49 |
uint32_t res = 0;
|
50 |
DECLARE_GE; |
51 |
|
52 |
SUB16(a, b, 0);
|
53 |
SUB16(a >> 16, b >> 16, 1); |
54 |
SET_GE; |
55 |
return res;
|
56 |
} |
57 |
|
58 |
uint32_t HELPER(glue(PFX,sub8))(uint32_t a, uint32_t b GE_ARG) |
59 |
{ |
60 |
uint32_t res = 0;
|
61 |
DECLARE_GE; |
62 |
|
63 |
SUB8(a, b, 0);
|
64 |
SUB8(a >> 8, b >> 8, 1); |
65 |
SUB8(a >> 16, b >> 16, 2); |
66 |
SUB8(a >> 24, b >> 24, 3); |
67 |
SET_GE; |
68 |
return res;
|
69 |
} |
70 |
|
71 |
uint32_t HELPER(glue(PFX,subaddx))(uint32_t a, uint32_t b GE_ARG) |
72 |
{ |
73 |
uint32_t res = 0;
|
74 |
DECLARE_GE; |
75 |
|
76 |
ADD16(a, b, 0);
|
77 |
SUB16(a >> 16, b >> 16, 1); |
78 |
SET_GE; |
79 |
return res;
|
80 |
} |
81 |
|
82 |
uint32_t HELPER(glue(PFX,addsubx))(uint32_t a, uint32_t b GE_ARG) |
83 |
{ |
84 |
uint32_t res = 0;
|
85 |
DECLARE_GE; |
86 |
|
87 |
SUB16(a, b, 0);
|
88 |
ADD16(a >> 16, b >> 16, 1); |
89 |
SET_GE; |
90 |
return res;
|
91 |
} |
92 |
|
93 |
#undef GE_ARG
|
94 |
#undef DECLARE_GE
|
95 |
#undef SET_GE
|
96 |
#undef RESULT
|
97 |
|
98 |
#undef ARITH_GE
|
99 |
#undef PFX
|
100 |
#undef ADD16
|
101 |
#undef SUB16
|
102 |
#undef ADD8
|
103 |
#undef SUB8
|