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 // 18 DEFINE_COMPILERRT_FUNCTION(__negsf2vfp) 19 eor r0, r0, #-2147483648 // flip sign bit on float in r0 20 bx lr 21
