xref: /freebsd/contrib/llvm-project/compiler-rt/lib/builtins/negdf2.c (revision 0b57cec536236d46e3dba9bd041533462f33dbb7)
1*0b57cec5SDimitry Andric //===-- lib/negdf2.c - double-precision negation ------------------*- C -*-===//
2*0b57cec5SDimitry Andric //
3*0b57cec5SDimitry Andric // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4*0b57cec5SDimitry Andric // See https://llvm.org/LICENSE.txt for license information.
5*0b57cec5SDimitry Andric // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6*0b57cec5SDimitry Andric //
7*0b57cec5SDimitry Andric //===----------------------------------------------------------------------===//
8*0b57cec5SDimitry Andric //
9*0b57cec5SDimitry Andric // This file implements double-precision soft-float negation.
10*0b57cec5SDimitry Andric //
11*0b57cec5SDimitry Andric //===----------------------------------------------------------------------===//
12*0b57cec5SDimitry Andric 
13*0b57cec5SDimitry Andric #define DOUBLE_PRECISION
14*0b57cec5SDimitry Andric #include "fp_lib.h"
15*0b57cec5SDimitry Andric 
__negdf2(fp_t a)16*0b57cec5SDimitry Andric COMPILER_RT_ABI fp_t __negdf2(fp_t a) { return fromRep(toRep(a) ^ signBit); }
17*0b57cec5SDimitry Andric 
18*0b57cec5SDimitry Andric #if defined(__ARM_EABI__)
19*0b57cec5SDimitry Andric #if defined(COMPILER_RT_ARMHF_TARGET)
__aeabi_dneg(fp_t a)20*0b57cec5SDimitry Andric AEABI_RTABI fp_t __aeabi_dneg(fp_t a) { return __negdf2(a); }
21*0b57cec5SDimitry Andric #else
22*0b57cec5SDimitry Andric COMPILER_RT_ALIAS(__negdf2, __aeabi_dneg)
23*0b57cec5SDimitry Andric #endif
24*0b57cec5SDimitry Andric #endif
25