| 1 | //===-- lib/floatuntitf.c - uint128 -> quad-precision conversion --*- C -*-===// |
| 2 | // |
| 3 | // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
| 4 | // See https://llvm.org/LICENSE.txt for license information. |
| 5 | // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
| 6 | // |
| 7 | //===----------------------------------------------------------------------===// |
| 8 | // |
| 9 | // This file implements tu_int to quad-precision conversion for the |
| 10 | // compiler-rt library in the IEEE-754 default round-to-nearest, ties-to-even |
| 11 | // mode. |
| 12 | // |
| 13 | //===----------------------------------------------------------------------===// |
| 14 | |
| 15 | #define QUAD_PRECISION |
| 16 | #include "fp_lib.h" |
| 17 | #include "int_lib.h" |
| 18 | |
| 19 | #if defined(CRT_HAS_TF_MODE) |
| 20 | #define SRC_U128 |
| 21 | #define DST_QUAD |
| 22 | #include "int_to_fp_impl.inc" |
| 23 | |
| 24 | // Returns: convert a tu_int to a fp_t, rounding toward even. |
| 25 | |
| 26 | // Assumption: fp_t is a IEEE 128 bit floating point type |
| 27 | // tu_int is a 128 bit integral type |
| 28 | |
| 29 | // seee eeee eeee eeee mmmm mmmm mmmm mmmm | mmmm mmmm mmmm mmmm mmmm mmmm mmmm |
| 30 | // mmmm | mmmm mmmm mmmm mmmm mmmm mmmm mmmm mmmm | mmmm mmmm mmmm mmmm mmmm |
| 31 | // mmmm mmmm mmmm |
| 32 | |
| 33 | COMPILER_RT_ABI fp_t __floatuntitf(tu_int a) { return __floatXiYf__(a); } |
| 34 | |
| 35 | #endif |
| 36 | |