1//===-- negsf2vfp.S - Implement negsf2vfp ---------------------------------===// 2// 3// The LLVM Compiler Infrastructure 4// 5// This file is dual licensed under the MIT and the University of Illinois Open 6// Source Licenses. 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// 18 .syntax unified 19 .p2align 2 20DEFINE_COMPILERRT_FUNCTION(__negsf2vfp) 21 eor r0, r0, #-2147483648 // flip sign bit on float in r0 22 bx lr 23END_COMPILERRT_FUNCTION(__negsf2vfp) 24 25NO_EXEC_STACK_DIRECTIVE 26 27