1 //===-- lib/negdf2.c - double-precision negation ------------------*- 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 double-precision soft-float negation. 10 // 11 //===----------------------------------------------------------------------===// 12 13 #define DOUBLE_PRECISION 14 #include "fp_lib.h" 15 __negdf2(fp_t a)16COMPILER_RT_ABI fp_t __negdf2(fp_t a) { return fromRep(toRep(a) ^ signBit); } 17 18 #if defined(__ARM_EABI__) 19 #if defined(COMPILER_RT_ARMHF_TARGET) __aeabi_dneg(fp_t a)20AEABI_RTABI fp_t __aeabi_dneg(fp_t a) { return __negdf2(a); } 21 #else 22 COMPILER_RT_ALIAS(__negdf2, __aeabi_dneg) 23 #endif 24 #endif 25