1//===-- eqsf2vfp.S - Implement eqsf2vfp -----------------------------------===// 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 int __eqsf2vfp(float a, float b); 14// 15// Returns one iff a == b and neither is NaN. 16// Uses Darwin calling convention where single precision arguments are passsed 17// like 32-bit ints 18// 19DEFINE_COMPILERRT_FUNCTION(__eqsf2vfp) 20 fmsr s14, r0 // move from GPR 0 to float register 21 fmsr s15, r1 // move from GPR 1 to float register 22 fcmps s14, s15 23 fmstat 24 moveq r0, #1 // set result register to 1 if equal 25 movne r0, #0 26 bx lr 27 28