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Rémi Di Guardia
2022-10-11 17:07:00 +02:00
parent 93b241c32a
commit 49092057f8
44 changed files with 2480 additions and 329 deletions
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@@ -44,6 +44,8 @@
<li class="toctree-l1"><a class="reference internal" href="../../api/Lib.FunctionData.html">Base library - Function data</a></li>
<li class="toctree-l1"><a class="reference internal" href="../../api/Lib.LinearCode.html">Linear intermediate representation</a></li>
<li class="toctree-l1"><a class="reference internal" href="../../api/Lib.Allocator.html">Temporary allocation</a></li>
<li class="toctree-l1"><a class="reference internal" href="../../api/Lib.CFG.html">Control Flow Graph - CFG and Basic blocks</a></li>
<li class="toctree-l1"><a class="reference internal" href="../../api/Lib.Terminator.html">Control Flow Graph - Terminators</a></li>
</ul>
</div>
@@ -195,19 +197,33 @@
<span class="c1"># Shortcuts for registers in RISCV</span>
<span class="c1"># Only integer registers</span>
<span class="c1">#: Zero register</span>
<span class="n">ZERO</span> <span class="o">=</span> <span class="n">Register</span><span class="p">(</span><span class="mi">0</span><span class="p">)</span>
<span class="c1">#:</span>
<span class="n">RA</span> <span class="o">=</span> <span class="n">Register</span><span class="p">(</span><span class="mi">1</span><span class="p">)</span>
<span class="c1">#:</span>
<span class="n">SP</span> <span class="o">=</span> <span class="n">Register</span><span class="p">(</span><span class="mi">2</span><span class="p">)</span>
<span class="c1">#:</span>
<span class="n">GP</span> <span class="o">=</span> <span class="n">Register</span><span class="p">(</span><span class="mi">3</span><span class="p">)</span> <span class="c1"># Register not used for this course</span>
<span class="c1">#:</span>
<span class="n">TP</span> <span class="o">=</span> <span class="n">Register</span><span class="p">(</span><span class="mi">4</span><span class="p">)</span> <span class="c1"># Register not used for this course</span>
<span class="c1">#:</span>
<span class="n">A</span> <span class="o">=</span> <span class="nb">tuple</span><span class="p">(</span><span class="n">Register</span><span class="p">(</span><span class="n">i</span> <span class="o">+</span> <span class="mi">10</span><span class="p">)</span> <span class="k">for</span> <span class="n">i</span> <span class="ow">in</span> <span class="nb">range</span><span class="p">(</span><span class="mi">8</span><span class="p">))</span>
<span class="c1">#:</span>
<span class="n">S</span> <span class="o">=</span> <span class="nb">tuple</span><span class="p">(</span><span class="n">Register</span><span class="p">(</span><span class="n">i</span> <span class="o">+</span> <span class="mi">8</span><span class="p">)</span> <span class="k">for</span> <span class="n">i</span> <span class="ow">in</span> <span class="nb">range</span><span class="p">(</span><span class="mi">2</span><span class="p">))</span> <span class="o">+</span> <span class="nb">tuple</span><span class="p">(</span><span class="n">Register</span><span class="p">(</span><span class="n">i</span> <span class="o">+</span> <span class="mi">18</span><span class="p">)</span> <span class="k">for</span> <span class="n">i</span> <span class="ow">in</span> <span class="nb">range</span><span class="p">(</span><span class="mi">10</span><span class="p">))</span>
<span class="c1">#:</span>
<span class="n">T</span> <span class="o">=</span> <span class="nb">tuple</span><span class="p">(</span><span class="n">Register</span><span class="p">(</span><span class="n">i</span> <span class="o">+</span> <span class="mi">5</span><span class="p">)</span> <span class="k">for</span> <span class="n">i</span> <span class="ow">in</span> <span class="nb">range</span><span class="p">(</span><span class="mi">3</span><span class="p">))</span> <span class="o">+</span> <span class="nb">tuple</span><span class="p">(</span><span class="n">Register</span><span class="p">(</span><span class="n">i</span> <span class="o">+</span> <span class="mi">28</span><span class="p">)</span> <span class="k">for</span> <span class="n">i</span> <span class="ow">in</span> <span class="nb">range</span><span class="p">(</span><span class="mi">4</span><span class="p">))</span>
<span class="c1">#:</span>
<span class="n">A0</span> <span class="o">=</span> <span class="n">A</span><span class="p">[</span><span class="mi">0</span><span class="p">]</span> <span class="c1"># function args/return Values: A0, A1</span>
<span class="c1">#:</span>
<span class="n">A1</span> <span class="o">=</span> <span class="n">A</span><span class="p">[</span><span class="mi">1</span><span class="p">]</span>
<span class="c1">#:</span>
<span class="n">FP</span> <span class="o">=</span> <span class="n">S</span><span class="p">[</span><span class="mi">0</span><span class="p">]</span> <span class="c1"># Frame Pointer = Saved register 0</span>
<span class="c1"># General purpose registers, usable for the allocator</span>
<span class="c1">#: General purpose registers, usable for the allocator</span>
<span class="n">GP_REGS</span> <span class="o">=</span> <span class="n">S</span><span class="p">[</span><span class="mi">4</span><span class="p">:]</span> <span class="o">+</span> <span class="n">T</span> <span class="c1"># s0, s1, s2 and s3 are special</span>