xref: /aosp_15_r20/external/compiler-rt/lib/builtins/negdf2.c (revision 7c3d14c8b49c529e04be81a3ce6f5cc23712e4c6)
1*7c3d14c8STreehugger Robot //===-- lib/negdf2.c - double-precision negation ------------------*- C -*-===//
2*7c3d14c8STreehugger Robot //
3*7c3d14c8STreehugger Robot //                     The LLVM Compiler Infrastructure
4*7c3d14c8STreehugger Robot //
5*7c3d14c8STreehugger Robot // This file is dual licensed under the MIT and the University of Illinois Open
6*7c3d14c8STreehugger Robot // Source Licenses. See LICENSE.TXT for details.
7*7c3d14c8STreehugger Robot //
8*7c3d14c8STreehugger Robot //===----------------------------------------------------------------------===//
9*7c3d14c8STreehugger Robot //
10*7c3d14c8STreehugger Robot // This file implements double-precision soft-float negation.
11*7c3d14c8STreehugger Robot //
12*7c3d14c8STreehugger Robot //===----------------------------------------------------------------------===//
13*7c3d14c8STreehugger Robot 
14*7c3d14c8STreehugger Robot #define DOUBLE_PRECISION
15*7c3d14c8STreehugger Robot #include "fp_lib.h"
16*7c3d14c8STreehugger Robot 
ARM_EABI_FNALIAS(dneg,negdf2)17*7c3d14c8STreehugger Robot ARM_EABI_FNALIAS(dneg, negdf2)
18*7c3d14c8STreehugger Robot 
19*7c3d14c8STreehugger Robot COMPILER_RT_ABI fp_t
20*7c3d14c8STreehugger Robot __negdf2(fp_t a) {
21*7c3d14c8STreehugger Robot     return fromRep(toRep(a) ^ signBit);
22*7c3d14c8STreehugger Robot }
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