MultiMedia/cdxlplay/ppc/p2c/p2c_7.s

   1 #
   2 #  Planar 2 Chunky routine (C) 2009 Fredrik Wikstrom
   3 #
   4 p2c_7:
   5         add             r3,r4,r4
   6         add             r11,r10,r4
   7         add             r12,r10,r3
   8         add             r13,r11,r3
   9         add             r14,r12,r3
  10         add             r15,r13,r3
  11         add             r16,r14,r3
  12
  13         mr              r4,r6
  14 p2c_7_001:
  15         subi    r7,r7,1
  16 p2c_7_002:
  17         lhzu    r18,2(r10)
  18         lhzu    r19,2(r11)
  19         lhzu    r20,2(r12)
  20         lhzu    r21,2(r13)
  21         lhzu    r22,2(r14)
  22         lhzu    r23,2(r15)
  23         lhzu    r24,2(r16)
  24
  25         subi    r4,r4,1
  26
  27         # pixels 0, 4, 8 and 12
  28         rlwinm  r26,r18,9,7,7
  29         rlwinm  r27,r18,13,7,7
  30         rlwinm  r28,r18,17,7,7
  31         rlwinm  r29,r18,21,7,7
  32         rlwimi  r26,r19,10,6,6
  33         rlwimi  r27,r19,14,6,6
  34         rlwimi  r28,r19,18,6,6
  35         rlwimi  r29,r19,22,6,6
  36         rlwimi  r26,r20,11,5,5
  37         rlwimi  r27,r20,15,5,5
  38         rlwimi  r28,r20,19,5,5
  39         rlwimi  r29,r20,23,5,5
  40         rlwimi  r26,r21,12,4,4
  41         rlwimi  r27,r21,16,4,4
  42         rlwimi  r28,r21,20,4,4
  43         rlwimi  r29,r21,24,4,4
  44         rlwimi  r26,r22,13,3,3
  45         rlwimi  r27,r22,17,3,3
  46         rlwimi  r28,r22,21,3,3
  47         rlwimi  r29,r22,25,3,3
  48         rlwimi  r26,r23,14,2,2
  49         rlwimi  r27,r23,18,2,2
  50         rlwimi  r28,r23,22,2,2
  51         rlwimi  r29,r23,26,2,2
  52         rlwimi  r26,r24,15,1,1
  53         rlwimi  r27,r24,19,1,1
  54         rlwimi  r28,r24,23,1,1
  55         rlwimi  r29,r24,27,1,1
  56
  57         # pixels 1, 5, 9 and 13
  58         rlwimi  r26,r18,2,15,15
  59         rlwimi  r27,r18,6,15,15
  60         rlwimi  r28,r18,10,15,15
  61         rlwimi  r29,r18,14,15,15
  62         rlwimi  r26,r19,3,14,14
  63         rlwimi  r27,r19,7,14,14
  64         rlwimi  r28,r19,11,14,14
  65         rlwimi  r29,r19,15,14,14
  66         rlwimi  r26,r20,4,13,13
  67         rlwimi  r27,r20,8,13,13
  68         rlwimi  r28,r20,12,13,13
  69         rlwimi  r29,r20,16,13,13
  70         rlwimi  r26,r21,5,12,12
  71         rlwimi  r27,r21,9,12,12
  72         rlwimi  r28,r21,13,12,12
  73         rlwimi  r29,r21,17,12,12
  74         rlwimi  r26,r22,6,11,11
  75         rlwimi  r27,r22,10,11,11
  76         rlwimi  r28,r22,14,11,11
  77         rlwimi  r29,r22,18,11,11
  78         rlwimi  r26,r23,7,10,10
  79         rlwimi  r27,r23,11,10,10
  80         rlwimi  r28,r23,15,10,10
  81         rlwimi  r29,r23,19,10,10
  82         rlwimi  r26,r24,8,9,9
  83         rlwimi  r27,r24,12,9,9
  84         rlwimi  r28,r24,16,9,9
  85         rlwimi  r29,r24,20,9,9
  86
  87         # pixels 2, 6, 10 and 14
  88         rlwimi  r26,r18,27,23,23
  89         rlwimi  r27,r18,31,23,23
  90         rlwimi  r28,r18,3,23,23
  91         rlwimi  r29,r18,7,23,23
  92         rlwimi  r26,r19,28,22,22
  93         rlwimi  r27,r19,0,22,22
  94         rlwimi  r28,r19,4,22,22
  95         rlwimi  r29,r19,8,22,22
  96         rlwimi  r26,r20,29,21,21
  97         rlwimi  r27,r20,1,21,21
  98         rlwimi  r28,r20,5,21,21
  99         rlwimi  r29,r20,9,21,21
 100         rlwimi  r26,r21,30,20,20
 101         rlwimi  r27,r21,2,20,20
 102         rlwimi  r28,r21,6,20,20
 103         rlwimi  r29,r21,10,20,20
 104         rlwimi  r26,r22,31,19,19
 105         rlwimi  r27,r22,3,19,19
 106         rlwimi  r28,r22,7,19,19
 107         rlwimi  r29,r22,11,19,19
 108         rlwimi  r26,r23,0,18,18
 109         rlwimi  r27,r23,4,18,18
 110         rlwimi  r28,r23,8,18,18
 111         rlwimi  r29,r23,12,18,18
 112         rlwimi  r26,r24,1,17,17
 113         rlwimi  r27,r24,5,17,17
 114         rlwimi  r28,r24,9,17,17
 115         rlwimi  r29,r24,13,17,17
 116
 117         # pixels 3, 7, 11 and 15
 118         rlwimi  r26,r18,20,31,31
 119         rlwimi  r27,r18,24,31,31
 120         rlwimi  r28,r18,28,31,31
 121         rlwimi  r29,r18,0,31,31
 122         rlwimi  r26,r19,21,30,30
 123         rlwimi  r27,r19,25,30,30
 124         rlwimi  r28,r19,29,30,30
 125         rlwimi  r29,r19,1,30,30
 126         rlwimi  r26,r20,22,29,29
 127         rlwimi  r27,r20,26,29,29
 128         rlwimi  r28,r20,30,29,29
 129         rlwimi  r29,r20,2,29,29
 130         rlwimi  r26,r21,23,28,28
 131         rlwimi  r27,r21,27,28,28
 132         rlwimi  r28,r21,31,28,28
 133         rlwimi  r29,r21,3,28,28
 134         rlwimi  r26,r22,24,27,27
 135         rlwimi  r27,r22,28,27,27
 136         rlwimi  r28,r22,0,27,27
 137         rlwimi  r29,r22,4,27,27
 138         rlwimi  r26,r23,25,26,26
 139         rlwimi  r27,r23,29,26,26
 140         rlwimi  r28,r23,1,26,26
 141         rlwimi  r29,r23,5,26,26
 142         rlwimi  r26,r24,26,25,25
 143         rlwimi  r27,r24,30,25,25
 144         rlwimi  r28,r24,2,25,25
 145         rlwimi  r29,r24,6,25,25
 146
 147         cmpwi   cr0,r4,0
 148
 149         stw             r26,4(r5)
 150         stw             r27,8(r5)
 151         stw             r28,12(r5)
 152         stwu    r29,16(r5)
 153
 154         bne+    p2c_7_002
 155
 156         cmpwi   cr0,r7,0
 157         mr              r4,r6
 158         bne+    p2c_7_001
 159
 160         lmw             r13,0(r1)
 161         addi    r1,r1,76
 162         blr