Compaq Vectra M2 - N2 Uživatelský manuál

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__________________________________________________________
Emulating TIE Instructions and
TIE-Based Functions in MATLAB
Application Note
Tensilica, Inc.
3255-6 Scott Blvd.
Santa Clara, CA 95054
(408) 986-8000
Fax (408) 986-8919
www.tensilica.com
November 2009 Doc Number: AN09-240-00
© TENSILICA INC.
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Strany 1 - TIE-Based Functions in MATLAB

__________________________________________________________ Emulating TIE Instructions and TIE-Based Functions in MATLAB Application Note

Strany 2

Emulating TIE Instructions and TIE-Based Functions in Matlab Working on 64-bit Machines Because the Cstub libraries are emulating a 32-bit target pr

Strany 3 - Code Examples

Emulating TIE Instructions and TIE-Based Functions in Matlab Example 1: 24-bit Signed Fixed-Point Saturating Addition Instruction Example 1 illust

Strany 4

Emulating TIE Instructions and TIE-Based Functions in Matlab Here we compare the original floating point result to the MATLAB fixed point result and

Strany 5 - Abstract

Emulating TIE Instructions and TIE-Based Functions in Matlab // the output matrix has 1 dimension. #define NDIMS 1 // This is a wrapper

Strany 6

Emulating TIE Instructions and TIE-Based Functions in Matlab // The output argument array is a single variable, so // the dims array is defi

Strany 7 - Tool Versions

Emulating TIE Instructions and TIE-Based Functions in Matlab MATLAB Function to Wrap AE_ADDSP24S C MEX-File The C MEX-file for AE_ADDSP24S can be ca

Strany 8

Emulating TIE Instructions and TIE-Based Functions in Matlab CODE 2. MAT_ADDSP24S EXAMPLE function p = mat_addsp24s(p0, p1) % MAT_ADDSP24S Wrappe

Strany 9

Emulating TIE Instructions and TIE-Based Functions in Matlab The following wrapper function, “mat_addsp24s_show”, is a version of the above, but thi

Strany 10 - Working on 64-bit machines

Emulating TIE Instructions and TIE-Based Functions in Matlab ae_result = -2326230 ae_result is returned from the C MEX-file function AE_ADDSP324

Strany 11 - MATLAB Code

Emulating TIE Instructions and TIE-Based Functions in Matlab MATLAB Results >>p0= -.7789325 p0 = -0.778932500000000 >> p1 = .5016242 p

Strany 12 - TENSILICA, INC

Emulating TIE Instructions and TIE-Based Functions in Matlab ii © 2009 Tensilica, Inc. Printed in the United States of America All Rights Res

Strany 13 - TENSILICA, INC

Emulating TIE Instructions and TIE-Based Functions in Matlab In addition, it may be necessary to modify attributes of the data type declaration, suc

Strany 14

Emulating TIE Instructions and TIE-Based Functions in Matlab Example 2: 24-bit Signed Fixed-Point Saturating Multiply Instruction Example 2 illustr

Strany 15 - AE_ADDSP24S C MEX-File

Emulating TIE Instructions and TIE-Based Functions in Matlab Following, we compare the original floating point result to the MATLAB fixed point resu

Strany 16

Emulating TIE Instructions and TIE-Based Functions in Matlab /* Call the TIE cstub AE_MULFP24S_LL function */ ae_p24x2s input0 = *((ae_p24s *)

Strany 17

Emulating TIE Instructions and TIE-Based Functions in Matlab CODE 5. MAT_MULFP24S_LL_SHOW EXAMPLE function p = mat_mulfp24s_ll(p0, p1) % MAT_MULFP24

Strany 18

Emulating TIE Instructions and TIE-Based Functions in Matlab The results of executing this function are shown earlier, and the detailed transformati

Strany 19 - MATLAB Results

Emulating TIE Instructions and TIE-Based Functions in Matlab 6 Wrapping TIE-Based Functions for use in MATLAB Example: Simple Integer Vector Sum Th

Strany 20

Emulating TIE Instructions and TIE-Based Functions in Matlab 105 105 105 105 105 >> c = AE_FL_VEC_SU

Strany 21

Emulating TIE Instructions and TIE-Based Functions in Matlab C MEX-File Function for Integer Vector Sum AE_FL_VEC_SUM_32 Code 6 shows the contents o

Strany 22 - AE_MULFP24S_LL

Emulating TIE Instructions and TIE-Based Functions in Matlab int *vec_sum; int *inp1,*inp2; /* Check for proper number of arguments *

Strany 23

Emulating TIE Instructions and TIE-Based Functions in Matlab iii Contents 1 Introduction ...

Strany 24

Emulating TIE Instructions and TIE-Based Functions in Matlab 7 Summary In this application note we have discussed how to wrap host-based emulations

Strany 25

Emulating TIE Instructions and TIE-Based Functions in Matlab iv © TENSILICA, INC.

Strany 26 - MATLAB Code and Results

Emulating TIE Instructions and TIE-Based Functions in Matlab Abstract This application note describes how to emulate TIE functions and C-based funct

Strany 28 - AE_FL_VEC_SUM_32

Emulating TIE Instructions and TIE-Based Functions in Matlab 1 Introduction Emulating TIE functions with host-based execution is a good way to allo

Strany 29

Emulating TIE Instructions and TIE-Based Functions in Matlab The following figure illustrates a possible development methodology: Algorithm1 De

Strany 30 - 8 References

Emulating TIE Instructions and TIE-Based Functions in Matlab 8. Further refine your MATLAB fixed-point algorithm and substitute the use of C MEX-fi

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