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0f35e36b7f
Refer to the README.md and LICENCE files for details. Change-Id: I922914f4e7da7cb939a8054cded11feb9ea51a86
78 lines
2.8 KiB
C++
78 lines
2.8 KiB
C++
// Copyright 2014, ARM Limited
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// All rights reserved.
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//
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// Redistribution and use in source and binary forms, with or without
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// modification, are permitted provided that the following conditions are met:
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//
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// * Redistributions of source code must retain the above copyright notice,
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// this list of conditions and the following disclaimer.
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// * Redistributions in binary form must reproduce the above copyright notice,
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// this list of conditions and the following disclaimer in the documentation
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// and/or other materials provided with the distribution.
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// * Neither the name of ARM Limited nor the names of its contributors may be
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// used to endorse or promote products derived from this software without
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// specific prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS CONTRIBUTORS "AS IS" AND
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// ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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// WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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// DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
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// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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// DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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// SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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// CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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#include "examples.h"
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#define BUF_SIZE (4096)
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#define __ masm->
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void GenerateAdd3Double(MacroAssembler* masm) {
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// double add3_double(double x, double y, double z)
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// Argument locations:
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// x -> d0
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// y -> d1
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// z -> d2
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__ Fadd(d0, d0, d1); // d0 <- x + y
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__ Fadd(d0, d0, d2); // d0 <- d0 + z
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// The return value is already in d0.
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__ Ret();
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}
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#ifndef TEST_EXAMPLES
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#ifdef VIXL_INCLUDE_SIMULATOR
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int main(void) {
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// Create and initialize the assembler and the simulator.
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byte assm_buf[BUF_SIZE];
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MacroAssembler masm(assm_buf, BUF_SIZE);
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Decoder decoder;
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Simulator simulator(&decoder);
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// Generate the code for the example function.
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Label add3_double;
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masm.Bind(&add3_double);
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GenerateAdd3Double(&masm);
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masm.FinalizeCode();
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// Run the example function.
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double a = 498.36547;
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double b = 23.369;
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double c = 7964.697954;
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simulator.set_dreg(0, a);
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simulator.set_dreg(1, b);
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simulator.set_dreg(2, c);
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simulator.RunFrom(masm.GetLabelAddress<Instruction*>(&add3_double));
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printf("%f + %f + %f = %f\n", a, b, c, simulator.dreg(0));
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return 0;
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}
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#else
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// Without the simulator there is nothing to test.
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int main(void) { return 0; }
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#endif // VIXL_INCLUDE_SIMULATOR
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#endif // TEST_EXAMPLES
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