Training courses

Kernel and Embedded Linux

Bootlin training courses

Embedded Linux, kernel,
Yocto Project, Buildroot, real-time,
graphics, boot time, debugging...

Bootlin logo

Elixir Cross Referencer

//===-- lib/negdf2.c - double-precision negation ------------------*- 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 double-precision soft-float negation.
//
//===----------------------------------------------------------------------===//

#define DOUBLE_PRECISION
#include "fp_lib.h"

COMPILER_RT_ABI fp_t __negdf2(fp_t a) { return fromRep(toRep(a) ^ signBit); }

#if defined(__ARM_EABI__)
#if defined(COMPILER_RT_ARMHF_TARGET)
AEABI_RTABI fp_t __aeabi_dneg(fp_t a) { return __negdf2(a); }
#else
COMPILER_RT_ALIAS(__negdf2, __aeabi_dneg)
#endif
#endif