vendor/compiler-rt/compiler-rt-r224034

1 files changed, 0 insertions, 83 deletions

diff --git a/lib/floatuntixf.c b/lib/floatuntixf.c
deleted file mode 100644
index dbce80f16ee51..0000000000000
--- a/lib/floatuntixf.c
+++ /dev/null
@@ -1,83 +0,0 @@
-/* ===-- floatuntixf.c - Implement __floatuntixf ---------------------------===
- *
- *                     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 __floatuntixf for the compiler_rt library.
- *
- * ===----------------------------------------------------------------------===
- */
-
-#include "int_lib.h"
-
-#if __x86_64
-
-/* Returns: convert a to a long double, rounding toward even. */
-
-/* Assumption: long double is a IEEE 80 bit floating point type padded to 128 bits
- *             tu_int is a 128 bit integral type
- */
-
-/* gggg gggg gggg gggg gggg gggg gggg gggg | gggg gggg gggg gggg seee eeee eeee eeee |
- * 1mmm mmmm mmmm mmmm mmmm mmmm mmmm mmmm | mmmm mmmm mmmm mmmm mmmm mmmm mmmm mmmm
- */
-
-si_int __clzti2(ti_int a);
-
-long double
-__floatuntixf(tu_int a)
-{
-    if (a == 0)
-        return 0.0;
-    const unsigned N = sizeof(tu_int) * CHAR_BIT;
-    int sd = N - __clzti2(a);  /* number of significant digits */
-    int e = sd - 1;             /* exponent */
-    if (sd > LDBL_MANT_DIG)
-    {
-        /*  start:  0000000000000000000001xxxxxxxxxxxxxxxxxxxxxxPQxxxxxxxxxxxxxxxxxx
-         *  finish: 000000000000000000000000000000000000001xxxxxxxxxxxxxxxxxxxxxxPQR
-         *                                                12345678901234567890123456
-         *  1 = msb 1 bit
-         *  P = bit LDBL_MANT_DIG-1 bits to the right of 1
-         *  Q = bit LDBL_MANT_DIG bits to the right of 1
-         *  R = "or" of all bits to the right of Q
-	 */
-        switch (sd)
-        {
-        case LDBL_MANT_DIG + 1:
-            a <<= 1;
-            break;
-        case LDBL_MANT_DIG + 2:
-            break;
-        default:
-            a = (a >> (sd - (LDBL_MANT_DIG+2))) |
-                ((a & ((tu_int)(-1) >> ((N + LDBL_MANT_DIG+2) - sd))) != 0);
-        };
-        /* finish: */
-        a |= (a & 4) != 0;  /* Or P into R */
-        ++a;  /* round - this step may add a significant bit */
-        a >>= 2;  /* dump Q and R */
-        /* a is now rounded to LDBL_MANT_DIG or LDBL_MANT_DIG+1 bits */
-        if (a & ((tu_int)1 << LDBL_MANT_DIG))
-        {
-            a >>= 1;
-            ++e;
-        }
-        /* a is now rounded to LDBL_MANT_DIG bits */
-    }
-    else
-    {
-        a <<= (LDBL_MANT_DIG - sd);
-        /* a is now rounded to LDBL_MANT_DIG bits */
-    }
-    long_double_bits fb;
-    fb.u.high.s.low = (e + 16383);                  /* exponent */
-    fb.u.low.all = (du_int)a;                     /* mantissa */
-    return fb.f;
-}
-
-#endif