lib/builtins/negdf2.c

   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 ARM_EABI_FNALIAS(dneg, negdf2)
  18
  19 COMPILER_RT_ABI fp_t
  20 __negdf2(fp_t a) {
  21     return fromRep(toRep(a) ^ signBit);
  22 }