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Diffstat (limited to 'lib/fixunssfti.c')
-rw-r--r-- | lib/fixunssfti.c | 47 |
1 files changed, 0 insertions, 47 deletions
diff --git a/lib/fixunssfti.c b/lib/fixunssfti.c deleted file mode 100644 index 8f4c62627ca5..000000000000 --- a/lib/fixunssfti.c +++ /dev/null @@ -1,47 +0,0 @@ -/* ===-- fixunssfti.c - Implement __fixunssfti -----------------------------=== - * - * The LLVM Compiler Infrastructure - * - * This file is dual licensed under the MIT and the University of Illinois Open - * Source Licenses. See LICENSE.TXT for details. - * - * ===----------------------------------------------------------------------=== - * - * This file implements __fixunssfti for the compiler_rt library. - * - * ===----------------------------------------------------------------------=== - */ - -#include "int_lib.h" - -#if __x86_64 - -/* Returns: convert a to a unsigned long long, rounding toward zero. - * Negative values all become zero. - */ - -/* Assumption: float is a IEEE 32 bit floating point type - * tu_int is a 64 bit integral type - * value in float is representable in tu_int or is negative - * (no range checking performed) - */ - -/* seee eeee emmm mmmm mmmm mmmm mmmm mmmm */ - -tu_int -__fixunssfti(float a) -{ - float_bits fb; - fb.f = a; - int e = ((fb.u & 0x7F800000) >> 23) - 127; - if (e < 0 || (fb.u & 0x80000000)) - return 0; - tu_int r = (fb.u & 0x007FFFFF) | 0x00800000; - if (e > 23) - r <<= (e - 23); - else - r >>= (23 - e); - return r; -} - -#endif |