MultiMedia/cdxlplay/ppc/p2c/p2c_6.s

   1 #
   2 #  Planar 2 Chunky routine (C) 2009 Fredrik Wikstrom
   3 #
   4 p2c_6:
   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
  12         mr              r4,r6
  13 p2c_6_001:
  14         subi    r7,r7,1
  15 p2c_6_002:
  16         lhzu    r18,2(r10)
  17         lhzu    r19,2(r11)
  18         lhzu    r20,2(r12)
  19         lhzu    r21,2(r13)
  20         lhzu    r22,2(r14)
  21         lhzu    r23,2(r15)
  22
  23         subi    r4,r4,1
  24
  25         # pixels 0, 4, 8 and 12
  26         rlwinm  r26,r18,9,7,7
  27         rlwinm  r27,r18,13,7,7
  28         rlwinm  r28,r18,17,7,7
  29         rlwinm  r29,r18,21,7,7
  30         rlwimi  r26,r19,10,6,6
  31         rlwimi  r27,r19,14,6,6
  32         rlwimi  r28,r19,18,6,6
  33         rlwimi  r29,r19,22,6,6
  34         rlwimi  r26,r20,11,5,5
  35         rlwimi  r27,r20,15,5,5
  36         rlwimi  r28,r20,19,5,5
  37         rlwimi  r29,r20,23,5,5
  38         rlwimi  r26,r21,12,4,4
  39         rlwimi  r27,r21,16,4,4
  40         rlwimi  r28,r21,20,4,4
  41         rlwimi  r29,r21,24,4,4
  42         rlwimi  r26,r22,13,3,3
  43         rlwimi  r27,r22,17,3,3
  44         rlwimi  r28,r22,21,3,3
  45         rlwimi  r29,r22,25,3,3
  46         rlwimi  r26,r23,14,2,2
  47         rlwimi  r27,r23,18,2,2
  48         rlwimi  r28,r23,22,2,2
  49         rlwimi  r29,r23,26,2,2
  50
  51         # pixels 1, 5, 9 and 13
  52         rlwimi  r26,r18,2,15,15
  53         rlwimi  r27,r18,6,15,15
  54         rlwimi  r28,r18,10,15,15
  55         rlwimi  r29,r18,14,15,15
  56         rlwimi  r26,r19,3,14,14
  57         rlwimi  r27,r19,7,14,14
  58         rlwimi  r28,r19,11,14,14
  59         rlwimi  r29,r19,15,14,14
  60         rlwimi  r26,r20,4,13,13
  61         rlwimi  r27,r20,8,13,13
  62         rlwimi  r28,r20,12,13,13
  63         rlwimi  r29,r20,16,13,13
  64         rlwimi  r26,r21,5,12,12
  65         rlwimi  r27,r21,9,12,12
  66         rlwimi  r28,r21,13,12,12
  67         rlwimi  r29,r21,17,12,12
  68         rlwimi  r26,r22,6,11,11
  69         rlwimi  r27,r22,10,11,11
  70         rlwimi  r28,r22,14,11,11
  71         rlwimi  r29,r22,18,11,11
  72         rlwimi  r26,r23,7,10,10
  73         rlwimi  r27,r23,11,10,10
  74         rlwimi  r28,r23,15,10,10
  75         rlwimi  r29,r23,19,10,10
  76
  77         # pixels 2, 6, 10 and 14
  78         rlwimi  r26,r18,27,23,23
  79         rlwimi  r27,r18,31,23,23
  80         rlwimi  r28,r18,3,23,23
  81         rlwimi  r29,r18,7,23,23
  82         rlwimi  r26,r19,28,22,22
  83         rlwimi  r27,r19,0,22,22
  84         rlwimi  r28,r19,4,22,22
  85         rlwimi  r29,r19,8,22,22
  86         rlwimi  r26,r20,29,21,21
  87         rlwimi  r27,r20,1,21,21
  88         rlwimi  r28,r20,5,21,21
  89         rlwimi  r29,r20,9,21,21
  90         rlwimi  r26,r21,30,20,20
  91         rlwimi  r27,r21,2,20,20
  92         rlwimi  r28,r21,6,20,20
  93         rlwimi  r29,r21,10,20,20
  94         rlwimi  r26,r22,31,19,19
  95         rlwimi  r27,r22,3,19,19
  96         rlwimi  r28,r22,7,19,19
  97         rlwimi  r29,r22,11,19,19
  98         rlwimi  r26,r23,0,18,18
  99         rlwimi  r27,r23,4,18,18
 100         rlwimi  r28,r23,8,18,18
 101         rlwimi  r29,r23,12,18,18
 102
 103         # pixels 3, 7, 11 and 15
 104         rlwimi  r26,r18,20,31,31
 105         rlwimi  r27,r18,24,31,31
 106         rlwimi  r28,r18,28,31,31
 107         rlwimi  r29,r18,0,31,31
 108         rlwimi  r26,r19,21,30,30
 109         rlwimi  r27,r19,25,30,30
 110         rlwimi  r28,r19,29,30,30
 111         rlwimi  r29,r19,1,30,30
 112         rlwimi  r26,r20,22,29,29
 113         rlwimi  r27,r20,26,29,29
 114         rlwimi  r28,r20,30,29,29
 115         rlwimi  r29,r20,2,29,29
 116         rlwimi  r26,r21,23,28,28
 117         rlwimi  r27,r21,27,28,28
 118         rlwimi  r28,r21,31,28,28
 119         rlwimi  r29,r21,3,28,28
 120         rlwimi  r26,r22,24,27,27
 121         rlwimi  r27,r22,28,27,27
 122         rlwimi  r28,r22,0,27,27
 123         rlwimi  r29,r22,4,27,27
 124         rlwimi  r26,r23,25,26,26
 125         rlwimi  r27,r23,29,26,26
 126         rlwimi  r28,r23,1,26,26
 127         rlwimi  r29,r23,5,26,26
 128
 129         cmpwi   cr0,r4,0
 130
 131         stw             r26,4(r5)
 132         stw             r27,8(r5)
 133         stw             r28,12(r5)
 134         stwu    r29,16(r5)
 135
 136         bne+    p2c_6_002
 137
 138         cmpwi   cr0,r7,0
 139         mr              r4,r6
 140         bne+    p2c_6_001
 141
 142         lmw             r13,0(r1)
 143         addi    r1,r1,76
 144         blr