MultiMedia/cdxlplay/ppc/p2c/p2c_8.s

   1 #
   2 #  Planar 2 Chunky routine (C) 2009 Fredrik Wikstrom
   3 #
   4 p2c_8:
   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         add             r17,r15,r3
  13
  14         mr              r4,r6
  15 p2c_8_001:
  16         subi    r7,r7,1
  17 p2c_8_002:
  18         lhzu    r18,2(r10)
  19         lhzu    r19,2(r11)
  20         lhzu    r20,2(r12)
  21         lhzu    r21,2(r13)
  22         lhzu    r22,2(r14)
  23         lhzu    r23,2(r15)
  24         lhzu    r24,2(r16)
  25         lhzu    r25,2(r17)
  26
  27         subi    r4,r4,1
  28
  29         # pixels 0, 4, 8 and 12
  30         rlwinm  r26,r18,9,7,7
  31         rlwinm  r27,r18,13,7,7
  32         rlwinm  r28,r18,17,7,7
  33         rlwinm  r29,r18,21,7,7
  34         rlwimi  r26,r19,10,6,6
  35         rlwimi  r27,r19,14,6,6
  36         rlwimi  r28,r19,18,6,6
  37         rlwimi  r29,r19,22,6,6
  38         rlwimi  r26,r20,11,5,5
  39         rlwimi  r27,r20,15,5,5
  40         rlwimi  r28,r20,19,5,5
  41         rlwimi  r29,r20,23,5,5
  42         rlwimi  r26,r21,12,4,4
  43         rlwimi  r27,r21,16,4,4
  44         rlwimi  r28,r21,20,4,4
  45         rlwimi  r29,r21,24,4,4
  46         rlwimi  r26,r22,13,3,3
  47         rlwimi  r27,r22,17,3,3
  48         rlwimi  r28,r22,21,3,3
  49         rlwimi  r29,r22,25,3,3
  50         rlwimi  r26,r23,14,2,2
  51         rlwimi  r27,r23,18,2,2
  52         rlwimi  r28,r23,22,2,2
  53         rlwimi  r29,r23,26,2,2
  54         rlwimi  r26,r24,15,1,1
  55         rlwimi  r27,r24,19,1,1
  56         rlwimi  r28,r24,23,1,1
  57         rlwimi  r29,r24,27,1,1
  58         rlwimi  r26,r25,16,0,0
  59         rlwimi  r27,r25,20,0,0
  60         rlwimi  r28,r25,24,0,0
  61         rlwimi  r29,r25,28,0,0
  62
  63         # pixels 1, 5, 9 and 13
  64         rlwimi  r26,r18,2,15,15
  65         rlwimi  r27,r18,6,15,15
  66         rlwimi  r28,r18,10,15,15
  67         rlwimi  r29,r18,14,15,15
  68         rlwimi  r26,r19,3,14,14
  69         rlwimi  r27,r19,7,14,14
  70         rlwimi  r28,r19,11,14,14
  71         rlwimi  r29,r19,15,14,14
  72         rlwimi  r26,r20,4,13,13
  73         rlwimi  r27,r20,8,13,13
  74         rlwimi  r28,r20,12,13,13
  75         rlwimi  r29,r20,16,13,13
  76         rlwimi  r26,r21,5,12,12
  77         rlwimi  r27,r21,9,12,12
  78         rlwimi  r28,r21,13,12,12
  79         rlwimi  r29,r21,17,12,12
  80         rlwimi  r26,r22,6,11,11
  81         rlwimi  r27,r22,10,11,11
  82         rlwimi  r28,r22,14,11,11
  83         rlwimi  r29,r22,18,11,11
  84         rlwimi  r26,r23,7,10,10
  85         rlwimi  r27,r23,11,10,10
  86         rlwimi  r28,r23,15,10,10
  87         rlwimi  r29,r23,19,10,10
  88         rlwimi  r26,r24,8,9,9
  89         rlwimi  r27,r24,12,9,9
  90         rlwimi  r28,r24,16,9,9
  91         rlwimi  r29,r24,20,9,9
  92         rlwimi  r26,r25,9,8,8
  93         rlwimi  r27,r25,13,8,8
  94         rlwimi  r28,r25,17,8,8
  95         rlwimi  r29,r25,21,8,8
  96
  97         # pixels 2, 6, 10 and 14
  98         rlwimi  r26,r18,27,23,23
  99         rlwimi  r27,r18,31,23,23
 100         rlwimi  r28,r18,3,23,23
 101         rlwimi  r29,r18,7,23,23
 102         rlwimi  r26,r19,28,22,22
 103         rlwimi  r27,r19,0,22,22
 104         rlwimi  r28,r19,4,22,22
 105         rlwimi  r29,r19,8,22,22
 106         rlwimi  r26,r20,29,21,21
 107         rlwimi  r27,r20,1,21,21
 108         rlwimi  r28,r20,5,21,21
 109         rlwimi  r29,r20,9,21,21
 110         rlwimi  r26,r21,30,20,20
 111         rlwimi  r27,r21,2,20,20
 112         rlwimi  r28,r21,6,20,20
 113         rlwimi  r29,r21,10,20,20
 114         rlwimi  r26,r22,31,19,19
 115         rlwimi  r27,r22,3,19,19
 116         rlwimi  r28,r22,7,19,19
 117         rlwimi  r29,r22,11,19,19
 118         rlwimi  r26,r23,0,18,18
 119         rlwimi  r27,r23,4,18,18
 120         rlwimi  r28,r23,8,18,18
 121         rlwimi  r29,r23,12,18,18
 122         rlwimi  r26,r24,1,17,17
 123         rlwimi  r27,r24,5,17,17
 124         rlwimi  r28,r24,9,17,17
 125         rlwimi  r29,r24,13,17,17
 126         rlwimi  r26,r25,2,16,16
 127         rlwimi  r27,r25,6,16,16
 128         rlwimi  r28,r25,10,16,16
 129         rlwimi  r29,r25,14,16,16
 130
 131         # pixels 3, 7, 11 and 15
 132         rlwimi  r26,r18,20,31,31
 133         rlwimi  r27,r18,24,31,31
 134         rlwimi  r28,r18,28,31,31
 135         rlwimi  r29,r18,0,31,31
 136         rlwimi  r26,r19,21,30,30
 137         rlwimi  r27,r19,25,30,30
 138         rlwimi  r28,r19,29,30,30
 139         rlwimi  r29,r19,1,30,30
 140         rlwimi  r26,r20,22,29,29
 141         rlwimi  r27,r20,26,29,29
 142         rlwimi  r28,r20,30,29,29
 143         rlwimi  r29,r20,2,29,29
 144         rlwimi  r26,r21,23,28,28
 145         rlwimi  r27,r21,27,28,28
 146         rlwimi  r28,r21,31,28,28
 147         rlwimi  r29,r21,3,28,28
 148         rlwimi  r26,r22,24,27,27
 149         rlwimi  r27,r22,28,27,27
 150         rlwimi  r28,r22,0,27,27
 151         rlwimi  r29,r22,4,27,27
 152         rlwimi  r26,r23,25,26,26
 153         rlwimi  r27,r23,29,26,26
 154         rlwimi  r28,r23,1,26,26
 155         rlwimi  r29,r23,5,26,26
 156         rlwimi  r26,r24,26,25,25
 157         rlwimi  r27,r24,30,25,25
 158         rlwimi  r28,r24,2,25,25
 159         rlwimi  r29,r24,6,25,25
 160         rlwimi  r26,r25,27,24,24
 161         rlwimi  r27,r25,31,24,24
 162         rlwimi  r28,r25,3,24,24
 163         rlwimi  r29,r25,7,24,24
 164
 165         cmpwi   cr0,r4,0
 166
 167         stw             r26,4(r5)
 168         stw             r27,8(r5)
 169         stw             r28,12(r5)
 170         stwu    r29,16(r5)
 171
 172         bne+    p2c_8_002
 173
 174         cmpwi   cr0,r7,0
 175         mr              r4,r6
 176         bne+    p2c_8_001
 177
 178         lmw             r13,0(r1)
 179         addi    r1,r1,76
 180         blr