1214152Sed//===-- eqdf2vfp.S - Implement eqdf2vfp -----------------------------------===// 2214152Sed// 3214152Sed// The LLVM Compiler Infrastructure 4214152Sed// 5222656Sed// This file is dual licensed under the MIT and the University of Illinois Open 6222656Sed// Source Licenses. See LICENSE.TXT for details. 7214152Sed// 8214152Sed//===----------------------------------------------------------------------===// 9214152Sed 10214152Sed#include "../assembly.h" 11214152Sed 12214152Sed// 13214152Sed// extern int __eqdf2vfp(double a, double b); 14214152Sed// 15214152Sed// Returns one iff a == b and neither is NaN. 16214152Sed// Uses Darwin calling convention where double precision arguments are passsed 17214152Sed// like in GPR pairs. 18214152Sed// 19236011Smarius .syntax unified 20214152Sed .align 2 21214152SedDEFINE_COMPILERRT_FUNCTION(__eqdf2vfp) 22236011Smarius vmov d6, r0, r1 // load r0/r1 pair in double register 23236011Smarius vmov d7, r2, r3 // load r2/r3 pair in double register 24236011Smarius vcmp.f64 d6, d7 25236011Smarius vmrs apsr_nzcv, fpscr 26214152Sed moveq r0, #1 // set result register to 1 if equal 27214152Sed movne r0, #0 28214152Sed bx lr 29