adddf3vfp.S revision 2d1fdb26e458c4ddc04155c1d421bced3ba90cd0
1//===-- adddf3vfp.S - Implement adddf3vfp ---------------------------------===// 2// 3// The LLVM Compiler Infrastructure 4// 5// This file is dual licensed under the MIT and the University of Illinois Open 6// Source Licenses. See LICENSE.TXT for details. 7// 8//===----------------------------------------------------------------------===// 9 10#include "../assembly.h" 11 12// 13// double __adddf3vfp(double a, double b) { return a + b; } 14// 15// Adds two double precision floating point numbers using the Darwin 16// calling convention where double arguments are passsed in GPR pairs 17// 18 .syntax unified 19 .p2align 2 20DEFINE_COMPILERRT_FUNCTION(__adddf3vfp) 21 vmov d6, r0, r1 // move first param from r0/r1 pair into d6 22 vmov d7, r2, r3 // move second param from r2/r3 pair into d7 23 vadd.f64 d6, d6, d7 24 vmov r0, r1, d6 // move result back to r0/r1 pair 25 bx lr 26END_COMPILERRT_FUNCTION(__adddf3vfp) 27