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1 #define N 1024 /* Length of output buffers */
2 #define L N /* Length of input data */
3 #define logL 10 /* log base 2 of L */
4 #define M 31 /* Compute 2*M+1 autocorrelation points */
5
6 /* #define M (L/2-1) */ /* Be sure to use ()'s in this case */
7 /* or algebraic substitution bugs */
8 /* can be introduced */
1 /* Compiler intrinsics for the TI compiler */
2 /* and the Very Portable Optimizer (VPO) port */
3 /* to TMS320C54X series DSPs */
4 /* */
5 /* Use compile option -DVPO when using VPO */
6 /* */
7 /* Copyright September 2005 by Matt Kleffner */
8 /* under the Creative Commons Attribution License */
9
10 #ifndef INTRINSICS_H
11
12 #define INTRINSICS_H
13
14 #ifdef VPO
15
16 long int vpo_l_mul_ii(int w0, int w1);
17
18 /* fractional multiply without fractional mode (long result) */
19 #define _l_mul_fract_fb0_ii(w0,w1) \
20 (vpo_l_mul_ii(w0,w1) << 1)
21
22 /* fractional multiply with fractional mode already on (long result) */
23 #define _l_mul_fract_fb1_ii(w0,w1) \
24 (vpo_l_mul_ii(w0,w1))
25
26 /* fractional multiply without fractional mode (int result) */
27 #define _i_mul_fract_fb0_ii(w0,w1) \
28 (vpo_l_mul_ii(w0,w1) >> 15)
29
30 /* fractional multiply with fractional mode already on (int result) */
31 #define _i_mul_fract_fb1_ii(w0,w1) \
32 (vpo_l_mul_ii(w0,w1) >> 16)
33
34 #define _set_fract_bit() vpo_set_fract()
35 #define _reset_fract_bit() vpo_reset_fract()
36 #define _set_ovm_bit() vpo_set_ovm()
37 #define _reset_ovm_bit() vpo_reset_ovm()
38
39 #define _l_add_shiftl_li(w0,w1) (((int32)(w0))+(((int32)(int16)(w1))<<16) )
40 #define _l_sub_shiftl_li(w0,w1) (((int32)(w0))-(((int32)(int16)(w1))<<16) )
41
42 #else
43
44 /* fractional multiply without fractional mode (long result) */
45 #define _l_mul_fract_fb0_ii(w0,w1) \
46 (((long int)w0 * (long int)w1) << 1)
47
48 /* fractional multiply with fractional mode already on (long result) */
49 #define _l_mul_fract_fb1_ii(w0,w1) \
50 (((long int)w0 * (long int)w1))
51
52 /* fractional multiply without fractional mode (int result) */
53 #define _i_mul_fract_fb0_ii(w0,w1) \
54 (((long int)w0 * (long int)w1) >> 15)
55
56 /* fractional multiply with fractional mode already on (int result) */
57 #define _i_mul_fract_fb1_ii(w0,w1) \
58 (((long int)w0 * (long int)w1) >> 16)
59
60 #define _set_fract_bit() asm(" ssbx frct")
61 #define _reset_fract_bit() asm(" rsbx frct")
62 #define _set_ovm_bit() asm(" ssbx ovm")
63 #define _reset_ovm_bit() asm(" rsbx ovm")
64
65 #endif /* VPO */
66
67 #endif /* INTRINSICS_H */
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