54 lines
1.5 KiB
C#
54 lines
1.5 KiB
C#
//
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// To do this test well, I think you need to move the int aX = 0...
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// lines down as far as possible. That way, the lifespan of the variables
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// is short, and they can go into registers.
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//
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class T {
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static int Main ()
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{
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for (int r = 0; r < 50; r ++) {
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int a0 = 0, b0 = 0, c0 = 0, d0 = 0;
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int a1 = 0, b1 = 0, c1 = 0, d1 = 0;
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int a2 = 0, b2 = 0, c2 = 0, d2 = 0;
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int a3 = 0, b3 = 0, c3 = 0, d3 = 0;
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int a4 = 0, b4 = 0, c4 = 0, d4 = 0;
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int x = 0;
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for (int i = 0; i < 400000; i ++) a0 ++;
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for (int i = 0; i < 400000; i ++) b0 ++;
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for (int i = 0; i < 400000; i ++) c0 ++;
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for (int i = 0; i < 400000; i ++) d0 ++;
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x ^= a0 ^ b0 ^ c0 ^ d0;
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for (int i = 0; i < 400000; i ++) a1 ++;
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for (int i = 0; i < 400000; i ++) b1 ++;
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for (int i = 0; i < 400000; i ++) c1 ++;
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for (int i = 0; i < 400000; i ++) d1 ++;
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x ^= a1 ^ b1 ^ c1 ^ d1;
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for (int i = 0; i < 400000; i ++) a2 ++;
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for (int i = 0; i < 400000; i ++) b2 ++;
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for (int i = 0; i < 400000; i ++) c2 ++;
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for (int i = 0; i < 400000; i ++) d2 ++;
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x ^= a2 ^ b2 ^ c2 ^ d2;
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for (int i = 0; i < 400000; i ++) a3 ++;
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for (int i = 0; i < 400000; i ++) b3 ++;
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for (int i = 0; i < 400000; i ++) c3 ++;
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for (int i = 0; i < 400000; i ++) d3 ++;
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x ^= a3 ^ b3 ^ c3 ^ d3;
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for (int i = 0; i < 400000; i ++) a4 ++;
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for (int i = 0; i < 400000; i ++) b4 ++;
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for (int i = 0; i < 400000; i ++) c4 ++;
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for (int i = 0; i < 400000; i ++) d4 ++;
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x ^= a4 ^ b4 ^ c4 ^ d4;
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if (x != 0)
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return 1;
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}
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return 0;
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}
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} |