Revision 8834,
1.9 KB
checked in by ghudson, 28 years ago
(diff) |
This commit was generated by cvs2svn to compensate for changes in r8833,
which included commits to RCS files with non-trunk default branches.
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[8833] | 1 | /* This small function uses all the arithmetic operators that |
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| 2 | libgcc1.c can handle. If you can link it, then |
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| 3 | you have provided replacements for all the libgcc1.c functions that |
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| 4 | your target machine needs. */ |
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| 5 | |
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| 6 | int foo (); |
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| 7 | double dfoo (); |
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| 8 | |
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| 9 | /* We don't want __main here because that can drag in atexit (among other |
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| 10 | things) which won't necessarily exist yet. */ |
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| 11 | |
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| 12 | main_without__main () |
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| 13 | { |
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| 14 | int a = foo (), b = foo (); |
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| 15 | unsigned int au = foo (), bu = foo (); |
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| 16 | float af = dfoo (), bf = dfoo (); |
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| 17 | double ad = dfoo (), bd = dfoo (); |
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| 18 | |
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| 19 | discard (a * b); |
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| 20 | discard (a / b); |
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| 21 | discard (a % b); |
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| 22 | |
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| 23 | discard (au / bu); |
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| 24 | discard (au % bu); |
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| 25 | |
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| 26 | discard (a >> b); |
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| 27 | discard (a << b); |
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| 28 | |
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| 29 | discard (au >> bu); |
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| 30 | discard (au << bu); |
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| 31 | |
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| 32 | ddiscard (ad + bd); |
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| 33 | ddiscard (ad - bd); |
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| 34 | ddiscard (ad * bd); |
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| 35 | ddiscard (ad / bd); |
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| 36 | ddiscard (-ad); |
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| 37 | |
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| 38 | ddiscard (af + bf); |
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| 39 | ddiscard (af - bf); |
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| 40 | ddiscard (af * bf); |
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| 41 | ddiscard (af / bf); |
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| 42 | ddiscard (-af); |
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| 43 | |
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| 44 | discard ((int) ad); |
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| 45 | discard ((int) af); |
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| 46 | |
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| 47 | ddiscard ((double) a); |
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| 48 | ddiscard ((float) a); |
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| 49 | ddiscard ((float) ad); |
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| 50 | |
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| 51 | discard (ad == bd); |
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| 52 | discard (ad < bd); |
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| 53 | discard (ad > bd); |
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| 54 | discard (ad != bd); |
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| 55 | discard (ad <= bd); |
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| 56 | discard (ad >= bd); |
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| 57 | |
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| 58 | discard (af == bf); |
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| 59 | discard (af < bf); |
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| 60 | discard (af > bf); |
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| 61 | discard (af != bf); |
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| 62 | discard (af <= bf); |
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| 63 | discard (af >= bf); |
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| 64 | |
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| 65 | return 0; |
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| 66 | } |
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| 67 | |
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| 68 | discard (x) |
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| 69 | int x; |
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| 70 | {} |
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| 71 | |
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| 72 | ddiscard (x) |
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| 73 | double x; |
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| 74 | {} |
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| 75 | |
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| 76 | foo () |
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| 77 | { |
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| 78 | static int table[] = {20, 69, 4, 12}; |
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| 79 | static int idx; |
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| 80 | |
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| 81 | return table[idx++]; |
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| 82 | } |
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| 83 | |
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| 84 | double |
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| 85 | dfoo () |
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| 86 | { |
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| 87 | static double table[] = {20.4, 69.96, 4.4, 202.202}; |
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| 88 | static int idx; |
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| 89 | |
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| 90 | return table[idx++]; |
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| 91 | } |
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| 92 | |
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| 93 | /* Provide functions that some versions of the linker use to default |
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| 94 | the start address if -e symbol is not used, to avoid the warning |
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| 95 | message saying the start address is defaulted. */ |
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| 96 | extern void start() __asm__("start"); |
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| 97 | extern void _start() __asm__("_start"); |
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| 98 | |
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| 99 | void start() {} |
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| 100 | void _start() {} |
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