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 17 COMPILER_RT_ABI fp_t 18 __negdf2(fp_t a) { 19 return fromRep(toRep(a) ^ signBit); 20 } 21 22 #if defined(__ARM_EABI__) 23 #if defined(COMPILER_RT_ARMHF_TARGET) 24 AEABI_RTABI fp_t __aeabi_dneg(fp_t a) { 25 return __negdf2(a); 26 } 27 #else 28 AEABI_RTABI fp_t __aeabi_dneg(fp_t a) COMPILER_RT_ALIAS(__negdf2); 29 #endif 30 #endif 31