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562
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1 /*
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2 equalizer_3dnow: 3DNow! optimized do_equalizer()
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3
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4 copyright ?-2006 by the mpg123 project - free software under the terms of the LGPL 2.1
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5 see COPYING and AUTHORS files in distribution or http://mpg123.org
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6 initially written by KIMURA Takuhiro
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7 */
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8
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9 #include "mangle.h"
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10
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11 .text
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12 ALIGN4
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13 .globl ASM_NAME(do_equalizer_3dnow)
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14 /* .type ASM_NAME(do_equalizer_3dnow),@function */
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15 /* void do_equalizer(real *bandPtr,int channel, real equalizer[2][32]); */
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16 ASM_NAME(do_equalizer_3dnow):
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17 pushl %esi
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18 pushl %ebx
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19 /* bandPtr */
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20 movl 12(%esp),%ebx
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21 /* channel */
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22 movl 16(%esp),%ecx
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23 xorl %edx,%edx
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24 /* equalizer */
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25 movl 20(%esp),%esi
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26 sall $7,%ecx
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27 ALIGN4
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28 .L9:
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29 movq (%ebx,%edx),%mm0
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30 pfmul (%esi,%ecx),%mm0
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31
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32 movq 8(%ebx,%edx),%mm1
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33 pfmul 8(%esi,%ecx),%mm1
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34 movq %mm0,(%ebx,%edx)
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35
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36 movq 16(%ebx,%edx),%mm0
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37 pfmul 16(%esi,%ecx),%mm0
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38 movq %mm1,8(%ebx,%edx)
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39
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40 movq 24(%ebx,%edx),%mm1
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41 pfmul 24(%esi,%ecx),%mm1
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42 movq %mm0,16(%ebx,%edx)
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43
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44 movq 32(%ebx,%edx),%mm0
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45 pfmul 32(%esi,%ecx),%mm0
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46 movq %mm1,24(%ebx,%edx)
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47
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48 movq 40(%ebx,%edx),%mm1
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49 pfmul 40(%esi,%ecx),%mm1
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50 movq %mm0,32(%ebx,%edx)
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51
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52 movq 48(%ebx,%edx),%mm0
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53 pfmul 48(%esi,%ecx),%mm0
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54 movq %mm1,40(%ebx,%edx)
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55
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56 movq 56(%ebx,%edx),%mm1
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57 pfmul 56(%esi,%ecx),%mm1
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58 movq %mm0,48(%ebx,%edx)
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59 movq %mm1,56(%ebx,%edx)
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60
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61 addl $64,%edx
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62 addl $32,%ecx
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63 cmpl $124,%edx
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64 jle .L9
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65 ALIGN4
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66 popl %ebx
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67 popl %esi
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68 ret
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69
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70 /* Mark non-executable stack. */
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71 #if defined(__linux__) && defined(__ELF__)
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72 .section .note.GNU-stack,"",%progbits
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73 #endif
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