annotate run/mini/asm7.d @ 1628:c6ef09dfba4d

add mini test set from ldc project
author Moritz Warning <moritzwarning@web.de>
date Mon, 10 Jan 2011 19:47:18 +0100
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1 module tangotests.asm7;
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2
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3 // test massive label collisions (runtime uses Loverflow too)
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4 extern(C) int printf(char*, ...);
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5
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6 void main()
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7 {
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8 int a = add(1,2);
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9 int s = sub(1,2);
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10 assert(a == 3);
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11 assert(s == -1);
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12 }
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13
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14 int add(int a, int b)
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15 {
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16 int res;
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17 version (D_InlineAsm_X86)
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18 {
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19 asm
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20 {
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21 mov EAX, a;
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22 add EAX, b;
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23 jo Loverflow;
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24 mov res, EAX;
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25 }
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26 }
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27 else version (D_InlineAsm_X86_64)
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28 {
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29 asm
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30 {
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31 mov EAX, a;
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32 add EAX, b;
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33 jo Loverflow;
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34 mov res, EAX;
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35 }
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36 }
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37 printf("%d\n",res);
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38 return res;
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39 Loverflow:
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40 assert(0, "add overflow");
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41 }
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42
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43 int sub(int a, int b)
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44 {
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45 int res;
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46 version (D_InlineAsm_X86)
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47 {
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48 asm
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49 {
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50 mov EAX, a;
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51 sub EAX, b;
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52 jo Loverflow;
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53 mov res, EAX;
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54 }
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55 }
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56 else version (D_InlineAsm_X86_64)
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57 {
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58 asm
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59 {
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60 mov EAX, a;
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61 sub EAX, b;
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62 jo Loverflow;
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63 mov res, EAX;
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64 }
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65 }
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66 printf("%d\n",res);
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67 return res;
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68 Loverflow:
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69 assert(0, "sub overflow");
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70 int x;
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71 }