27 lines
423 B
C
27 lines
423 B
C
typedef union longlong
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{
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struct {unsigned short h0, h1, h2, h3;} h;
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struct {signed long low, high;} si;
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struct {unsigned long low, high;} ui;
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signed long long sll;
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unsigned long long ull;
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} long_long;
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long long
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__negdi2 (u)
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long long u;
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{
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long_long uu;
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uu.sll = u;
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uu.si.low = -uu.si.low;
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if (uu.si.low == 0)
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uu.si.high = -uu.si.high;
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else
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uu.si.high = ~uu.si.high;
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return uu.sll;
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}
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