1//===-- negsf2vfp.S - Implement negsf2vfp ---------------------------------===// 2// 3// The LLVM Compiler Infrastructure 4// 5// This file is distributed under the University of Illinois Open Source 6// License. See LICENSE.TXT for details. 7// 8//===----------------------------------------------------------------------===// 9 10#include "../assembly.h" 11 12// 13// extern float __negsf2vfp(float a); 14// 15// Returns the negation of a single precision floating point numbers using the 16// Darwin calling convention where single arguments are passsed like 32-bit ints 17// 18DEFINE_COMPILERRT_FUNCTION(__negsf2vfp) 19 eor r0, r0, #-2147483648 // flip sign bit on float in r0 20 bx lr 21