36 lines
1.2 KiB
C
36 lines
1.2 KiB
C
|
//===-- lib/floatuntitf.c - uint128 -> quad-precision conversion --*- C -*-===//
|
||
|
|
//
|
||
|
|
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
|
||
|
|
// See https://llvm.org/LICENSE.txt for license information.
|
||
|
|
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
|
||
|
|
//
|
||
|
|
//===----------------------------------------------------------------------===//
|
||
|
|
//
|
||
|
|
// This file implements tu_int to quad-precision conversion for the
|
||
|
|
// compiler-rt library in the IEEE-754 default round-to-nearest, ties-to-even
|
||
|
|
// mode.
|
||
|
|
//
|
||
|
|
//===----------------------------------------------------------------------===//
|
||
|
|
|
||
|
|
#define QUAD_PRECISION
|
||
|
|
#include "fp_lib.h"
|
||
|
|
#include "int_lib.h"
|
||
|
|
|
||
|
|
#if defined(CRT_HAS_TF_MODE)
|
||
|
|
#define SRC_U128
|
||
|
|
#define DST_QUAD
|
||
|
|
#include "int_to_fp_impl.inc"
|
||
|
|
|
||
|
|
// Returns: convert a tu_int to a fp_t, rounding toward even.
|
||
|
|
|
||
|
|
// Assumption: fp_t is a IEEE 128 bit floating point type
|
||
|
|
// tu_int is a 128 bit integral type
|
||
|
|
|
||
|
|
// seee eeee eeee eeee mmmm mmmm mmmm mmmm | mmmm mmmm mmmm mmmm mmmm mmmm mmmm
|
||
|
|
// mmmm | mmmm mmmm mmmm mmmm mmmm mmmm mmmm mmmm | mmmm mmmm mmmm mmmm mmmm
|
||
|
|
// mmmm mmmm mmmm
|
||
|
|
|
||
|
|
COMPILER_RT_ABI fp_t __floatuntitf(tu_int a) { return __floatXiYf__(a); }
|
||
|
|
|
||
|
|
#endif
|