1 //===-- eqdf2vfp.S - Implement eqdf2vfp -----------------------------------===//
3 // The LLVM Compiler Infrastructure
5 // This file is dual licensed under the MIT and the University of Illinois Open
6 // Source Licenses. See LICENSE.TXT for details.
8 //===----------------------------------------------------------------------===//
10 #include "../assembly.h"
13 // extern int __eqdf2vfp(double a, double b);
15 // Returns one iff a == b and neither is NaN.
16 // Uses Darwin calling convention where double precision arguments are passsed
21 DEFINE_COMPILERRT_FUNCTION(__eqdf2vfp)
22 #if defined(COMPILER_RT_ARMHF_TARGET)
25 vmov d6, r0, r1 // load r0/r1 pair in double register
26 vmov d7, r2, r3 // load r2/r3 pair in double register
30 moveq r0, #1 // set result register to 1 if equal
33 END_COMPILERRT_FUNCTION(__eqdf2vfp)
35 NO_EXEC_STACK_DIRECTIVE