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1 // PR target/11689
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2 // Originator: thor@math.tu-berlin.de
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3
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4 // { dg-do compile }
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5 // { dg-options "-O3 -funroll-loops -mtune=k6 -fomit-frame-pointer" { target { { i?86-*-* x86_64-*-* } && ia32 } } }
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6
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7
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8 // This used to fail to assemble because of an out-of-range 'loop' instructions.
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9
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10
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11 class JKeeper {
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12 public:
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13 unsigned long a0;
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14 };
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15
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16 class EBCOTLut : public JKeeper {
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17 unsigned char a1[1<<8];
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18 unsigned char a2[1<<9];
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19 unsigned char a3[1<<9];
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20 long a4[1<<9];
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21 public:
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22 EBCOTLut(void);
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23 };
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24
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25 EBCOTLut::EBCOTLut(void)
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26 {
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27 unsigned char inter[36]; // intermediate lookup table;
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28 unsigned long i;
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29 for(i=0;i<36;i++) {
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30 inter[i] = 0;
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31 }
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32 for(i=1;i<16;i++) {
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33 a1[i | (1<<7)] = 8<<1;
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34 a1[i | (1<<6)] = 8<<1;
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35 }
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36 for(i=0;i < ((1<<9)-1);i++) {
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37 int ds = (i>>0) & 0x01; // significance of DOWN
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38 int us = (i>>1) & 0x01; // significance of UP
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39 int rs = (i>>2) & 0x01; // significance of RIGHT
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40 int ls = (i>>3) & 0x01; // significance of LEFT
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41 int dn = (i>>5) & 0x01; // sign of DOWN
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42 int un = (i>>6) & 0x01; // sign of UP
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43 int rn = (i>>7) & 0x01; // sign of RIGHT
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44 int ln = (i>>8) & 0x01; // sign of LEFT
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45 int h,v; // h and v as in the VM description
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46
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47 h = ls*(1-ln*2) + rs*(1-2*rn);
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48 v = us*(1-un*2) + ds*(1-2*dn);
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49 h = (h >= -1)?(h):(-1);
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50 v = (v >= -1)?(v):(-1);
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51 h = (h <= 1)?(h):(1);
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52 v = (v <= 1)?(v):(1);
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53 a2[i] = inter[((h+1)<<3) | (v+1)];
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54 a3[i] = inter[((h+1)<<3) | (v+1)] & (unsigned char)(~1);
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55 }
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56 for(i=0;i< 1<<9; i++) {
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57 a4[i] = 2*(i-(1<<(9-1)))*(i-(1<<(9-1))) -
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58 ((i< (1<<(9-1)))?
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59 (2*(i-(1<<(9-2)))*(i-(1<<(9-2)))):
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60 (2*(i-(3<<(9-2)))*(i-(3<<(9-2)))));
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61
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62 }
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63 }
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