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// Copyright 2014, VIXL authors
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are met:
//
// * Redistributions of source code must retain the above copyright notice,
// this list of conditions and the following disclaimer.
// * Redistributions in binary form must reproduce the above copyright notice,
// this list of conditions and the following disclaimer in the documentation
// and/or other materials provided with the distribution.
// * Neither the name of ARM Limited nor the names of its contributors may be
// used to endorse or promote products derived from this software without
// specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS CONTRIBUTORS "AS IS" AND
// ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
// WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
// DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
// DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
// SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
// CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#include "examples.h"
#define __ masm->
void GenerateAdd3Double(MacroAssembler* masm) {
// double add3_double(double x, double y, double z)
// Argument locations:
// x -> d0
// y -> d1
// z -> d2
__ Fadd(d0, d0, d1); // d0 <- x + y
__ Fadd(d0, d0, d2); // d0 <- d0 + z
// The return value is already in d0.
__ Ret();
}
#ifndef TEST_EXAMPLES
#ifdef VIXL_INCLUDE_SIMULATOR
int main(void) {
MacroAssembler masm;
Decoder decoder;
Simulator simulator(&decoder);
// Generate the code for the example function.
Label add3_double;
masm.Bind(&add3_double);
GenerateAdd3Double(&masm);
masm.FinalizeCode();
// Run the example function.
double a = 498.36547;
double b = 23.369;
double c = 7964.697954;
simulator.WriteDRegister(0, a);
simulator.WriteDRegister(1, b);
simulator.WriteDRegister(2, c);
simulator.RunFrom(masm.GetLabelAddress<Instruction*>(&add3_double));
printf("%f + %f + %f = %f\n", a, b, c, simulator.ReadDRegister(0));
return 0;
}
#else
// Without the simulator there is nothing to test.
int main(void) { return 0; }
#endif // VIXL_INCLUDE_SIMULATOR
#endif // TEST_EXAMPLES
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