xref: /netbsd-src/sys/external/bsd/compiler_rt/dist/lib/builtins/negdf2.c (revision d31434597b255f3fd7646698e04170d148f1de49)
1156cd587Sjoerg //===-- lib/negdf2.c - double-precision negation ------------------*- C -*-===//
2156cd587Sjoerg //
3156cd587Sjoerg //                     The LLVM Compiler Infrastructure
4156cd587Sjoerg //
5156cd587Sjoerg // This file is dual licensed under the MIT and the University of Illinois Open
6156cd587Sjoerg // Source Licenses. See LICENSE.TXT for details.
7156cd587Sjoerg //
8156cd587Sjoerg //===----------------------------------------------------------------------===//
9156cd587Sjoerg //
10156cd587Sjoerg // This file implements double-precision soft-float negation.
11156cd587Sjoerg //
12156cd587Sjoerg //===----------------------------------------------------------------------===//
13156cd587Sjoerg 
14156cd587Sjoerg #define DOUBLE_PRECISION
15156cd587Sjoerg #include "fp_lib.h"
16156cd587Sjoerg 
17f7f78b33Sjoerg COMPILER_RT_ABI fp_t
__negdf2(fp_t a)18f7f78b33Sjoerg __negdf2(fp_t a) {
19156cd587Sjoerg     return fromRep(toRep(a) ^ signBit);
20156cd587Sjoerg }
213044ee7eSrin 
223044ee7eSrin #if defined(__ARM_EABI__)
23*d3143459Srin #if defined(COMPILER_RT_ARMHF_TARGET)
__aeabi_dneg(fp_t a)243044ee7eSrin AEABI_RTABI fp_t __aeabi_dneg(fp_t a) {
253044ee7eSrin   return __negdf2(a);
263044ee7eSrin }
27*d3143459Srin #else
28*d3143459Srin AEABI_RTABI fp_t __aeabi_dneg(fp_t a) COMPILER_RT_ALIAS(__negdf2);
293044ee7eSrin #endif
30*d3143459Srin #endif
31