41 lines
879 B
C
41 lines
879 B
C
/* { dg-options "-O0" } */
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/* Decimal float versions of __builtin_signbit. */
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#include "dfp-dbg.h"
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#define CHECK32(D,I) \
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if ((__builtin_signbitd32 (D) != 0) != I) FAILURE
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#define CHECK64(D,I) \
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if ((__builtin_signbitd64 (D) != 0) != I) FAILURE
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#define CHECK128(D,I) \
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if ((__builtin_signbitd128 (D) != 0) != I) FAILURE
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/* Prevent the compiler from folding the calls at compile time. */
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volatile _Decimal32 sd;
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volatile _Decimal64 dd;
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volatile _Decimal128 td;
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int
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main ()
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{
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sd = 1.9df; CHECK32 (sd, 0)
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sd = -5.3df; CHECK32 (sd, 1)
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sd = 0.0df; CHECK32 (sd, 0)
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sd = -0.0df; CHECK32 (sd, 1)
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dd = 1.9dd; CHECK64 (dd, 0)
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dd = -5.3dd; CHECK64 (dd, 1)
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dd = 0.0dd; CHECK64 (dd, 0)
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dd = -0.0dd; CHECK64 (dd, 1)
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td = 1.9dl; CHECK128 (td, 0)
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td = -5.3dl; CHECK128 (td, 1)
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td = 0.0dl; CHECK128 (td, 0)
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td = -0.0dl; CHECK128 (td, 1)
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FINISH
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}
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