1214152Sed//===-- negdf2vfp.S - Implement negdf2vfp ---------------------------------===// 2214152Sed// 3214152Sed// The LLVM Compiler Infrastructure 4214152Sed// 5222656Sed// This file is dual licensed under the MIT and the University of Illinois Open 6222656Sed// Source Licenses. See LICENSE.TXT for details. 7214152Sed// 8214152Sed//===----------------------------------------------------------------------===// 9214152Sed 10214152Sed#include "../assembly.h" 11214152Sed 12214152Sed// 13214152Sed// extern double __negdf2vfp(double a, double b); 14214152Sed// 15214152Sed// Returns the negation a double precision floating point numbers using the 16214152Sed// Darwin calling convention where double arguments are passsed in GPR pairs. 17214152Sed// 18229135Sed .syntax unified 19214152Sed .align 2 20214152SedDEFINE_COMPILERRT_FUNCTION(__negdf2vfp) 21214152Sed eor r1, r1, #-2147483648 // flip sign bit on double in r0/r1 pair 22214152Sed bx lr 23