33 lines
1.3 KiB
C
33 lines
1.3 KiB
C
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/* { dg-do compile } */
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/* { dg-options "-O2 -msse2 -mfpmath=sse" } */
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float
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foo (float a, float b, float c, float d)
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{
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float ac, bd, ad, bc, y;
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ac = a * c;
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bd = b * d;
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ad = a * d;
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bc = b * c;
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if (__builtin_expect (!__builtin_expect ((a) != (a), 0)
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& !__builtin_expect (!__builtin_expect (((a) - (a)) != ((a) - (a)), 0), 1), 0)
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|| __builtin_expect (!__builtin_expect ((b) != (b), 0)
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& !__builtin_expect (!__builtin_expect (((b) - (b)) != ((b) - (b)), 0), 1), 0))
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a = __builtin_copysignf (__builtin_expect (!__builtin_expect ((a) != (a), 0)
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& !__builtin_expect (!__builtin_expect (((a) - (a)) != ((a) - (a)), 0), 1), 0) ? 1 : 0, a);
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c = __builtin_copysignf (__builtin_expect (!__builtin_expect ((c) != (c), 0) & !__builtin_expect (!__builtin_expect (((c) - (c)) != ((c) - (c)), 0), 1), 0) ? 1 : 0, c);
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if ((__builtin_expect (!__builtin_expect ((ac) != (ac), 0)
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& !__builtin_expect (!__builtin_expect (((ac) - (ac)) != ((ac) - (ac)), 0), 1), 0)
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|| __builtin_expect (!__builtin_expect ((bd) != (bd), 0)
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& !__builtin_expect (!__builtin_expect (((bd) - (bd)) != ((bd) - (bd)), 0), 1), 0)
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|| __builtin_expect (!__builtin_expect ((bc) != (bc), 0) & !__builtin_expect (!__builtin_expect (((bc) - (bc)) != ((bc) - (bc)), 0), 1), 0)))
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d = __builtin_copysignf (0, d);
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y = a * d + b * c;
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return y;
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}
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