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revision 1794, Fri Nov 14 15:43:28 2008 UTC revision 1795, Wed Nov 26 01:04:34 2008 UTC
# Line 19  Line 19 
19  ; *  along with this program; if not, write to the Free Software  ; *  along with this program; if not, write to the Free Software
20  ; *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA  ; *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
21  ; *  ; *
22  ; * $Id: idct_mmx.asm,v 1.12 2008-11-11 20:46:24 Isibaar Exp $  ; * $Id: idct_mmx.asm,v 1.13 2008-11-26 01:04:34 Isibaar Exp $
23  ; *  ; *
24  ; ***************************************************************************/  ; ***************************************************************************/
25    
# Line 44  Line 44 
44  ; (for rows) and first stage DCT 8x8 (for columns)  ; (for rows) and first stage DCT 8x8 (for columns)
45  ;  ;
46    
 BITS 32  
   
47  ;=============================================================================  ;=============================================================================
48  ; Macros and other preprocessor constants  ; Macros and other preprocessor constants
49  ;=============================================================================  ;=============================================================================
50    
51  %macro cglobal 1  %include "nasm.inc"
         %ifdef PREFIX  
                 %ifdef MARK_FUNCS  
                         global _%1:function %1.endfunc-%1  
                         %define %1 _%1:function %1.endfunc-%1  
                         %define ENDFUNC .endfunc  
                 %else  
                         global _%1  
                         %define %1 _%1  
                         %define ENDFUNC  
                 %endif  
         %else  
                 %ifdef MARK_FUNCS  
                         global %1:function %1.endfunc-%1  
                         %define ENDFUNC .endfunc  
                 %else  
                         global %1  
                         %define ENDFUNC  
                 %endif  
         %endif  
 %endmacro  
52    
53  %define BITS_INV_ACC    5                         ; 4 or 5 for IEEE  %define BITS_INV_ACC    5                         ; 4 or 5 for IEEE
54  %define SHIFT_INV_ROW   16 - BITS_INV_ACC  %define SHIFT_INV_ROW   16 - BITS_INV_ACC
# Line 88  Line 66 
66  ; Local Data (Read Only)  ; Local Data (Read Only)
67  ;=============================================================================  ;=============================================================================
68    
69  %ifdef FORMAT_COFF  DATA
 SECTION .rodata  
 %else  
 SECTION .rodata align=16  
 %endif  
70    
71  ;-----------------------------------------------------------------------------  ;-----------------------------------------------------------------------------
72  ; Various memory constants (trigonometric values or rounding values)  ; Various memory constants (trigonometric values or rounding values)
73  ;-----------------------------------------------------------------------------  ;-----------------------------------------------------------------------------
74    
75  ALIGN 16  ALIGN SECTION_ALIGN
76  one_corr:  one_corr:
77    dw 1, 1, 1, 1    dw 1, 1, 1, 1
78  round_inv_row:  round_inv_row:
# Line 579  Line 553 
553  ; Code  ; Code
554  ;=============================================================================  ;=============================================================================
555    
556  SECTION .text  SECTION .rotext align=SECTION_ALIGN
557    
558  cglobal idct_mmx  cglobal idct_mmx
559  cglobal idct_xmm  cglobal idct_xmm
# Line 588  Line 562 
562  ; void idct_mmx(uint16_t block[64]);  ; void idct_mmx(uint16_t block[64]);
563  ;-----------------------------------------------------------------------------  ;-----------------------------------------------------------------------------
564    
565  ALIGN 16  ALIGN SECTION_ALIGN
566  idct_mmx:  idct_mmx:
567      mov eax, dword [esp + 4]      mov TMP0, prm1
568    
569          ;; Process each row          ;; Process each row
570      DCT_8_INV_ROW_MMX eax+0*16, eax+0*16, tab_i_04_mmx, rounder_0      DCT_8_INV_ROW_MMX TMP0+0*16, TMP0+0*16, tab_i_04_mmx, rounder_0
571      DCT_8_INV_ROW_MMX eax+1*16, eax+1*16, tab_i_17_mmx, rounder_1      DCT_8_INV_ROW_MMX TMP0+1*16, TMP0+1*16, tab_i_17_mmx, rounder_1
572      DCT_8_INV_ROW_MMX eax+2*16, eax+2*16, tab_i_26_mmx, rounder_2      DCT_8_INV_ROW_MMX TMP0+2*16, TMP0+2*16, tab_i_26_mmx, rounder_2
573      DCT_8_INV_ROW_MMX eax+3*16, eax+3*16, tab_i_35_mmx, rounder_3      DCT_8_INV_ROW_MMX TMP0+3*16, TMP0+3*16, tab_i_35_mmx, rounder_3
574      DCT_8_INV_ROW_MMX eax+4*16, eax+4*16, tab_i_04_mmx, rounder_4      DCT_8_INV_ROW_MMX TMP0+4*16, TMP0+4*16, tab_i_04_mmx, rounder_4
575      DCT_8_INV_ROW_MMX eax+5*16, eax+5*16, tab_i_35_mmx, rounder_5      DCT_8_INV_ROW_MMX TMP0+5*16, TMP0+5*16, tab_i_35_mmx, rounder_5
576      DCT_8_INV_ROW_MMX eax+6*16, eax+6*16, tab_i_26_mmx, rounder_6      DCT_8_INV_ROW_MMX TMP0+6*16, TMP0+6*16, tab_i_26_mmx, rounder_6
577      DCT_8_INV_ROW_MMX eax+7*16, eax+7*16, tab_i_17_mmx, rounder_7      DCT_8_INV_ROW_MMX TMP0+7*16, TMP0+7*16, tab_i_17_mmx, rounder_7
578    
579          ;; Process the columns (4 at a time)          ;; Process the columns (4 at a time)
580      DCT_8_INV_COL eax+0, eax+0      DCT_8_INV_COL TMP0+0, TMP0+0
581      DCT_8_INV_COL eax+8, eax+8      DCT_8_INV_COL TMP0+8, TMP0+8
582    
583      ret      ret
584  ENDFUNC  ENDFUNC
# Line 613  Line 587 
587  ; void idct_xmm(uint16_t block[64]);  ; void idct_xmm(uint16_t block[64]);
588  ;-----------------------------------------------------------------------------  ;-----------------------------------------------------------------------------
589    
590  ALIGN 16  ALIGN SECTION_ALIGN
591  idct_xmm:  idct_xmm:
592      mov eax, dword [esp + 4]      mov TMP0, prm1
593    
594          ;; Process each row          ;; Process each row
595      DCT_8_INV_ROW_XMM eax+0*16, eax+0*16, tab_i_04_xmm, rounder_0      DCT_8_INV_ROW_XMM TMP0+0*16, TMP0+0*16, tab_i_04_xmm, rounder_0
596      DCT_8_INV_ROW_XMM eax+1*16, eax+1*16, tab_i_17_xmm, rounder_1      DCT_8_INV_ROW_XMM TMP0+1*16, TMP0+1*16, tab_i_17_xmm, rounder_1
597      DCT_8_INV_ROW_XMM eax+2*16, eax+2*16, tab_i_26_xmm, rounder_2      DCT_8_INV_ROW_XMM TMP0+2*16, TMP0+2*16, tab_i_26_xmm, rounder_2
598      DCT_8_INV_ROW_XMM eax+3*16, eax+3*16, tab_i_35_xmm, rounder_3      DCT_8_INV_ROW_XMM TMP0+3*16, TMP0+3*16, tab_i_35_xmm, rounder_3
599      DCT_8_INV_ROW_XMM eax+4*16, eax+4*16, tab_i_04_xmm, rounder_4      DCT_8_INV_ROW_XMM TMP0+4*16, TMP0+4*16, tab_i_04_xmm, rounder_4
600      DCT_8_INV_ROW_XMM eax+5*16, eax+5*16, tab_i_35_xmm, rounder_5      DCT_8_INV_ROW_XMM TMP0+5*16, TMP0+5*16, tab_i_35_xmm, rounder_5
601      DCT_8_INV_ROW_XMM eax+6*16, eax+6*16, tab_i_26_xmm, rounder_6      DCT_8_INV_ROW_XMM TMP0+6*16, TMP0+6*16, tab_i_26_xmm, rounder_6
602      DCT_8_INV_ROW_XMM eax+7*16, eax+7*16, tab_i_17_xmm, rounder_7      DCT_8_INV_ROW_XMM TMP0+7*16, TMP0+7*16, tab_i_17_xmm, rounder_7
603    
604          ;; Process the columns (4 at a time)          ;; Process the columns (4 at a time)
605      DCT_8_INV_COL eax+0, eax+0      DCT_8_INV_COL TMP0+0, TMP0+0
606      DCT_8_INV_COL eax+8, eax+8      DCT_8_INV_COL TMP0+8, TMP0+8
607    
608      ret      ret
609  ENDFUNC  ENDFUNC
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