compiler-rt/lib/builtins/negdf2.c

   1 //===-- lib/negdf2.c - double-precision negation ------------------*- C -*-===//
   2 //
   3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
   4 // See https://llvm.org/LICENSE.txt for license information.
   5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
   6 //
   7 //===----------------------------------------------------------------------===//
   8 //
   9 // This file implements double-precision soft-float negation.
  10 //
  11 //===----------------------------------------------------------------------===//
  12
  13 #define DOUBLE_PRECISION
  14 #include "fp_lib.h"
  15
  16 COMPILER_RT_ABI fp_t __negdf2(fp_t a) { return fromRep(toRep(a) ^ signBit); }
  17
  18 #if defined(__ARM_EABI__)
  19 #if defined(COMPILER_RT_ARMHF_TARGET)
  20 AEABI_RTABI fp_t __aeabi_dneg(fp_t a) { return __negdf2(a); }
  21 #else
  22 COMPILER_RT_ALIAS(__negdf2, __aeabi_dneg)
  23 #endif
  24 #endif