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//===-- adddf3vfp.S - Implement adddf3vfp ---------------------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is dual licensed under the MIT and the University of Illinois Open
// Source Licenses. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#include "../assembly.h"
//
// double __adddf3vfp(double a, double b) { return a + b; }
//
// Adds two double precision floating point numbers using the Darwin
// calling convention where double arguments are passsed in GPR pairs
//
.syntax unified
.p2align 2
DEFINE_COMPILERRT_FUNCTION(__adddf3vfp)
#if defined(COMPILER_RT_ARMHF_TARGET)
vadd.f64 d0, d0, d1
#else
vmov d6, r0, r1 // move first param from r0/r1 pair into d6
vmov d7, r2, r3 // move second param from r2/r3 pair into d7
vadd.f64 d6, d6, d7
vmov r0, r1, d6 // move result back to r0/r1 pair
#endif
bx lr
END_COMPILERRT_FUNCTION(__adddf3vfp)
NO_EXEC_STACK_DIRECTIVE
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