blob: bff2767bd36de335428ff4ca19d288e85ed71a50 [file] [log] [blame]
//===-- negdf2vfp.S - Implement negdf2vfp ---------------------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#include "../assembly.h"
//
// extern double __negdf2vfp(double a, double b);
//
// Returns the negation a double precision floating point numbers using the
// Darwin calling convention where double arguments are passsed in GPR pairs.
//
.globl ___negdf2vfp
___negdf2vfp:
eor r1, r1, #-2147483648 // flip sign bit on double in r0/r1 pair
bx lr