blob: d4384ec0e5ea2e8f7271e8042c87e0016e8416f2 (
plain) (
tree)
|
|
//===-- eqdf2vfp.S - Implement eqdf2vfp -----------------------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#include "../assembly.h"
//
// extern int __eqdf2vfp(double a, double b);
//
// Returns one iff a == b and neither is NaN.
// Uses Darwin calling convention where double precision arguments are passsed
// like in GPR pairs.
//
.align 2
DEFINE_COMPILERRT_FUNCTION(__eqdf2vfp)
fmdrr d6, r0, r1 // load r0/r1 pair in double register
fmdrr d7, r2, r3 // load r2/r3 pair in double register
fcmpd d6, d7
fmstat
moveq r0, #1 // set result register to 1 if equal
movne r0, #0
bx lr
|
