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      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