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/* ===-- fixunssfdi.c - Implement __fixunssfdi -----------------------------=== |
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* |
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* The LLVM Compiler Infrastructure |
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* |
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* This file is dual licensed under the MIT and the University of Illinois Open |
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* Source Licenses. See LICENSE.TXT for details. |
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* |
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* ===----------------------------------------------------------------------=== |
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*/ |
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#define SINGLE_PRECISION |
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#include "fp_lib.h" |
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ARM_EABI_FNALIAS(f2ulz, fixunssfdi) |
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#ifndef __SOFT_FP__ |
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/* Support for systems that have hardware floating-point; can set the invalid |
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* flag as a side-effect of computation. |
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*/ |
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COMPILER_RT_ABI du_int |
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__fixunssfdi(float a) |
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{ |
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if (a <= 0.0f) return 0; |
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double da = a; |
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su_int high = da / 4294967296.f; /* da / 0x1p32f; */ |
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su_int low = da - (double)high * 4294967296.f; /* high * 0x1p32f; */ |
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return ((du_int)high << 32) | low; |
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} |
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#else |
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/* Support for systems that don't have hardware floating-point; there are no |
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* flags to set, and we don't want to code-gen to an unknown soft-float |
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* implementation. |
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*/ |
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typedef du_int fixuint_t; |
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#include "fp_fixuint_impl.inc" |
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COMPILER_RT_ABI du_int |
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__fixunssfdi(fp_t a) { |
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return __fixuint(a); |
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} |
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#endif |