diff options
Diffstat (limited to 'contrib/llvm-project/compiler-rt/lib/builtins/floattitf.c')
| -rw-r--r-- | contrib/llvm-project/compiler-rt/lib/builtins/floattitf.c | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/contrib/llvm-project/compiler-rt/lib/builtins/floattitf.c b/contrib/llvm-project/compiler-rt/lib/builtins/floattitf.c new file mode 100644 index 000000000000..5dffe22fdb4e --- /dev/null +++ b/contrib/llvm-project/compiler-rt/lib/builtins/floattitf.c @@ -0,0 +1,35 @@ +//===-- lib/floattitf.c - int128 -> 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 ti_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_I128 +#define DST_QUAD +#include "int_to_fp_impl.inc" + +// Returns: convert a ti_int to a fp_t, rounding toward even. + +// Assumption: fp_t is a IEEE 128 bit floating point type +// ti_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 __floattitf(ti_int a) { return __floatXiYf__(a); } + +#endif |