1 //===-- lib/negdf2.c - double-precision negation ------------------*- C -*-===//
2 //
3 //                     The LLVM Compiler Infrastructure
4 //
5 // This file is dual licensed under the MIT and the University of Illinois Open
6 // Source Licenses. See LICENSE.TXT for details.
7 //
8 //===----------------------------------------------------------------------===//
9 //
10 // This file implements double-precision soft-float negation.
11 //
12 //===----------------------------------------------------------------------===//
13 
14 #define DOUBLE_PRECISION
15 #include "fp_lib.h"
16 
ARM_EABI_FNALIAS(dneg,negdf2)17 ARM_EABI_FNALIAS(dneg, negdf2)
18 
19 COMPILER_RT_ABI fp_t
20 __negdf2(fp_t a) {
21     return fromRep(toRep(a) ^ signBit);
22 }
23