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1 /* Copyright (C) 2003 Free Software Foundation.
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2 Check that size-optimizations for move insns (specifically peephole
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3 optimizations) aren't applied to volatile objects in the CRIS port.
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4 Origin: Hans-Peter Nilsson. */
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5 /* { dg-do compile { target cris-*-* crisv32-*-* } } */
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6 /* { dg-final { scan-assembler-not {movu\...\[} } } */
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7 /* { dg-final { scan-assembler-not {move\.[^d].\[} } } */
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8 /* { dg-final { scan-assembler-not {and\.[^d].\[} } } */
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9 /* { dg-final { scan-assembler-not {or\.[^d].\[} } } */
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10
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11 static const unsigned long c = 0x0000FF00;
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12 unsigned long
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13 a1 (void)
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14 {
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15 unsigned long m;
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16 m = *(volatile unsigned long*) 0xb00000c8;
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17 m &= c;
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18 return m;
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19 }
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20 extern volatile unsigned long xx;
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21 unsigned long
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22 a2 (void)
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23 {
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24 unsigned long m;
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25 m = xx;
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26 m &= c;
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27 return m;
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28 }
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29 extern volatile unsigned long yy[];
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30 unsigned long
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31 a3 (void)
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32 {
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33 unsigned long m;
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34 m = yy[3];
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35 m &= 0xfe00;
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36 return m;
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37 }
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38 unsigned long
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39 ac1 (void)
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40 {
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41 unsigned long m;
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42 m = *(volatile unsigned long*) 0xb00000c8;
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43 m &= 0xfe00;
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44 return m;
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45 }
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46 extern volatile unsigned long xx;
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47 unsigned long
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48 ac2 (void)
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49 {
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50 unsigned long m;
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51 m = xx;
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52 m &= 0xfe00;
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53 return m;
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54 }
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55 extern volatile unsigned long yy[];
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56 unsigned long
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57 ac3 (void)
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58 {
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59 unsigned long m;
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60 m = yy[3];
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61 m &= 0xfe00;
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62 return m;
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63 }
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64 extern volatile unsigned long yy[];
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65 unsigned long
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66 oc3 (void)
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67 {
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68 unsigned long m;
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69 m = yy[3];
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70 m |= ~0xf;
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71 return m;
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72 }
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