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129 lines
5.5 KiB
129 lines
5.5 KiB
// Copyright 2015, VIXL authors
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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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#ifndef VIXL_EXAMPLE_EXAMPLES_H_
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#define VIXL_EXAMPLE_EXAMPLES_H_
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#include "aarch64/macro-assembler-aarch64.h"
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#include "aarch64/simulator-aarch64.h"
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// Generate a function with the following prototype:
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// uint64_t factorial(uint64_t n)
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//
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// It provides an iterative implementation of the factorial computation.
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void GenerateFactorial(vixl::aarch64::MacroAssembler* masm);
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// Generate a function with the following prototype:
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// uint64_t factorial_rec(uint64_t n)
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//
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// It provides a recursive implementation of the factorial computation.
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void GenerateFactorialRec(vixl::aarch64::MacroAssembler* masm);
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// Generate a function with the following prototype:
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// void neon_matrix_multiply(float* dst, float* mat1, float* mat2)
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//
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// It provides an implementation of a column-major 4x4 matrix multiplication.
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void GenerateNEONMatrixMultiply(vixl::aarch64::MacroAssembler* masm);
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// Generate a function with the following prototype:
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// void add2_vectors(int8_t *vec_a, const int8_t *vec_b, unsigned size)
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//
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// Demonstrate how to add two vectors using NEON. The result is stored in vec_a.
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void GenerateAdd2Vectors(vixl::aarch64::MacroAssembler* masm);
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// Generate a function with the following prototype:
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// double add3_double(double x, double y, double z)
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//
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// This example is intended to show the calling convention with double
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// floating point arguments.
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void GenerateAdd3Double(vixl::aarch64::MacroAssembler* masm);
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// Generate a function with the following prototype:
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// double add4_double(uint64_t a, double b, uint64_t c, double d)
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//
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// The generated function pictures the calling convention for functions
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// mixing integer and floating point arguments.
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void GenerateAdd4Double(vixl::aarch64::MacroAssembler* masm);
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// Generate a function with the following prototype:
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// uint32_t sum_array(uint8_t* array, uint32_t size)
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//
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// The generated function computes the sum of all the elements in
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// the given array.
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void GenerateSumArray(vixl::aarch64::MacroAssembler* masm);
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// Generate a function with the following prototype:
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// int64_t abs(int64_t x)
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//
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// The generated function computes the absolute value of an integer.
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void GenerateAbs(vixl::aarch64::MacroAssembler* masm);
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// Generate a function with the following prototype:
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// uint64_t check_bounds(uint64_t value, uint64_t low, uint64_t high)
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//
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// The goal of this example is to illustrate the use of conditional
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// instructions. The generated function will check that the given value is
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// contained within the given boundaries. It returns 1 if 'value' is between
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// 'low' and 'high' (ie. low <= value <= high).
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void GenerateCheckBounds(vixl::aarch64::MacroAssembler* masm);
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// Generate a function with the following prototype:
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// uint32_t crc32(const char *msg, size_t msg_length)
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//
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// The generated function computes the CRC-32 checksum on the input msg
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// with specified length, and returns the result.
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void GenerateCrc32(vixl::aarch64::MacroAssembler* masm);
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// Generate a function which uses the stack to swap the content of the x0, x1,
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// x2 and x3 registers.
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void GenerateSwap4(vixl::aarch64::MacroAssembler* masm);
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// Generate a function which swaps the content of w0 and w1.
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// This example demonstrates some interesting features of VIXL's stack
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// operations.
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void GenerateSwapInt32(vixl::aarch64::MacroAssembler* masm);
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// Generate a function with the following prototype:
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// uint64_t demo_function(uint64_t x)
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//
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// This is the example used in doc/getting-started-aarch64.txt
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void GenerateDemoFunction(vixl::aarch64::MacroAssembler* masm);
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// This function generates and runs code that uses literals to sum the `a` and
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// `b` inputs.
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int64_t LiteralExample(int64_t a, int64_t b);
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// Generate a few examples of runtime calls.
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void GenerateRuntimeCallExamples(vixl::aarch64::MacroAssembler* masm);
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// Generate a function with the following prototype:
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// size_t sve_strlen(const char* str);
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//
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// The function implements the standard `strlen` using SVE.
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void GenerateSVEStrlen(vixl::aarch64::MacroAssembler* masm);
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#endif // VIXL_EXAMPLE_EXAMPLES_H_
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