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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd">
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<title>Mu - 024jump.cc</title>
<meta name="Generator" content="Vim/8.0">
<meta name="plugin-version" content="vim7.4_v2">
<meta name="syntax" content="cpp">
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a { color:inherit; }
* { font-size:12pt; font-size: 1em; }
.traceAbsent { color: #c00000; }
.LineNr { }
.Constant { color: #008787; }
.muRecipe { color: #ff8700; }
.Delimiter { color: #c000c0; }
.Special { color: #d70000; }
.Identifier { color: #af5f00; }
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<script type='text/javascript'>
<!--

/* function to open any folds containing a jumped-to line before jumping to it */
function JumpToLine()
{
  var lineNum;
  lineNum = window.location.hash;
  lineNum = lineNum.substr(1); /* strip off '#' */

  if (lineNum.indexOf('L') == -1) {
    lineNum = 'L'+lineNum;
  }
  lineElem = document.getElementById(lineNum);
  /* Always jump to new location even if the line was hidden inside a fold, or
   * we corrected the raw number to a line ID.
   */
  if (lineElem) {
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  }
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  window.onhashchange = JumpToLine;
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<a href='https://github.com/akkartik/mu/blob/master/024jump.cc'>https://github.com/akkartik/mu/blob/master/024jump.cc</a>
<pre id='vimCodeElement'>
<span id="L1" class="LineNr">  1 </span><span class="Comment">//: Jump primitives</span>
<span id="L2" class="LineNr">  2 </span>
<span id="L3" class="LineNr">  3 </span><span class="Delimiter">:(scenario jump_can_skip_instructions)</span>
<span id="L4" class="LineNr">  4 </span><span class="muRecipe">def</span> <a href='000organization.cc.html#L113'>main</a> [
<span id="L5" class="LineNr">  5 </span>  jump <span class="Constant">1:offset</span>
<span id="L6" class="LineNr">  6 </span>  <span class="Constant">1</span>:num<span class="Special"> &lt;- </span>copy <span class="Constant">1</span>
<span id="L7" class="LineNr">  7 </span>]
<span id="L8" class="LineNr">  8 </span><span class="traceContains">+run: jump {1: &quot;offset&quot;}</span>
<span id="L9" class="LineNr">  9 </span><span class="traceAbsent">-run: {1: &quot;number&quot;} &lt;- copy {1: &quot;literal&quot;}</span>
<span id="L10" class="LineNr"> 10 </span><span class="traceAbsent">-mem: storing 1 in location 1</span>
<span id="L11" class="LineNr"> 11 </span>
<span id="L12" class="LineNr"> 12 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Declarations&quot;)</span>
<span id="L13" class="LineNr"> 13 </span>JUMP<span class="Delimiter">,</span>
<span id="L14" class="LineNr"> 14 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Numbers&quot;)</span>
<span id="L15" class="LineNr"> 15 </span><a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span><span class="Special">Recipe_ordinal</span><span class="Delimiter">,</span> <span class="Constant">&quot;jump&quot;</span><span class="Delimiter">,</span> JUMP<span class="Delimiter">);</span>
<span id="L16" class="LineNr"> 16 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Checks&quot;)</span>
<span id="L17" class="LineNr"> 17 </span><span class="Normal">case</span> JUMP: <span class="Delimiter">{</span>
<span id="L18" class="LineNr"> 18 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">)</span> != <span class="Constant">1</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L19" class="LineNr"> 19 </span>    <a href='003trace.cc.html#L196'>raise</a> &lt;&lt; <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span>get<span class="Delimiter">(</span><span class="Special">Recipe</span><span class="Delimiter">,</span> r<span class="Delimiter">).</span>name<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;'&quot;</span> &lt;&lt; to_original_string<span class="Delimiter">(</span>inst<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;' should get exactly one ingredient\n&quot;</span> &lt;&lt; <a href='003trace.cc.html#L225'>end</a><span class="Delimiter">();</span>
<span id="L20" class="LineNr"> 20 </span>    <span class="Identifier">break</span><span class="Delimiter">;</span>
<span id="L21" class="LineNr"> 21 </span>  <span class="Delimiter">}</span>
<span id="L22" class="LineNr"> 22 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>!is_literal<span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">)))</span> <span class="Delimiter">{</span>
<span id="L23" class="LineNr"> 23 </span>    <a href='003trace.cc.html#L196'>raise</a> &lt;&lt; <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span>get<span class="Delimiter">(</span><span class="Special">Recipe</span><span class="Delimiter">,</span> r<span class="Delimiter">).</span>name<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;first ingredient of '&quot;</span> &lt;&lt; to_original_string<span class="Delimiter">(</span>inst<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;' should be a label or offset, but '&quot;</span> &lt;&lt; inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">).</span>name &lt;&lt; <span class="Constant">&quot;' has type '&quot;</span> &lt;&lt; names_to_string_without_quotes<span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">).</span>type<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;'\n&quot;</span> &lt;&lt; <a href='003trace.cc.html#L225'>end</a><span class="Delimiter">();</span>
<span id="L24" class="LineNr"> 24 </span>    <span class="Identifier">break</span><span class="Delimiter">;</span>
<span id="L25" class="LineNr"> 25 </span>  <span class="Delimiter">}</span>
<span id="L26" class="LineNr"> 26 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>!inst<span class="Delimiter">.</span>products<span class="Delimiter">.</span>empty<span class="Delimiter">())</span> <span class="Delimiter">{</span>
<span id="L27" class="LineNr"> 27 </span>    <a href='003trace.cc.html#L196'>raise</a> &lt;&lt; <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span>get<span class="Delimiter">(</span><span class="Special">Recipe</span><span class="Delimiter">,</span> r<span class="Delimiter">).</span>name<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;'jump' instructions write no products\n&quot;</span> &lt;&lt; <a href='003trace.cc.html#L225'>end</a><span class="Delimiter">();</span>
<span id="L28" class="LineNr"> 28 </span>    <span class="Identifier">break</span><span class="Delimiter">;</span>
<span id="L29" class="LineNr"> 29 </span>  <span class="Delimiter">}</span>
<span id="L30" class="LineNr"> 30 </span>  <span class="Identifier">break</span><span class="Delimiter">;</span>
<span id="L31" class="LineNr"> 31 </span><span class="Delimiter">}</span>
<span id="L32" class="LineNr"> 32 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Implementations&quot;)</span>
<span id="L33" class="LineNr"> 33 </span><span class="Normal">case</span> JUMP: <span class="Delimiter">{</span>
<span id="L34" class="LineNr"> 34 </span>  assert<span class="Delimiter">(</span><a href='026call.cc.html#L89'>current_instruction</a><span class="Delimiter">().</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">).</span>initialized<span class="Delimiter">);</span>
<span id="L35" class="LineNr"> 35 </span>  <a href='026call.cc.html#L84'>current_step_index</a><span class="Delimiter">()</span> += ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">).</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">)</span>+<span class="Constant">1</span><span class="Delimiter">;</span>
<span id="L36" class="LineNr"> 36 </span>  <a href='003trace.cc.html#L189'>trace</a><span class="Delimiter">(</span><span class="Constant">9998</span><span class="Delimiter">,</span> <span class="Constant">&quot;run&quot;</span><span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;jumping to <a href='010vm.cc.html#L33'>instruction</a> &quot;</span> &lt;&lt; <a href='026call.cc.html#L84'>current_step_index</a><span class="Delimiter">()</span> &lt;&lt; <a href='003trace.cc.html#L225'>end</a><span class="Delimiter">();</span>
<span id="L37" class="LineNr"> 37 </span>  <span class="Comment">// skip rest of this instruction</span>
<span id="L38" class="LineNr"> 38 </span>  write_products =<span class="Constant"> false</span><span class="Delimiter">;</span>
<span id="L39" class="LineNr"> 39 </span>  fall_through_to_next_instruction =<span class="Constant"> false</span><span class="Delimiter">;</span>
<span id="L40" class="LineNr"> 40 </span>  <span class="Identifier">break</span><span class="Delimiter">;</span>
<span id="L41" class="LineNr"> 41 </span><span class="Delimiter">}</span>
<span id="L42" class="LineNr"> 42 </span>
<span id="L43" class="LineNr"> 43 </span><span class="Comment">//: special type to designate jump targets</span>
<span id="L44" class="LineNr"> 44 </span><span class="Delimiter">:(before &quot;End Mu Types Initialization&quot;)</span>
<span id="L45" class="LineNr"> 45 </span><a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span><span class="Special">Type_ordinal</span><span class="Delimiter">,</span> <span class="Constant">&quot;offset&quot;</span><span class="Delimiter">,</span> <span class="Constant">0</span><span class="Delimiter">);</span>
<span id="L46" class="LineNr"> 46 </span>
<span id="L47" class="LineNr"> 47 </span><span class="Delimiter">:(scenario jump_backward)</span>
<span id="L48" class="LineNr"> 48 </span><span class="muRecipe">def</span> <a href='000organization.cc.html#L113'>main</a> [
<span id="L49" class="LineNr"> 49 </span>  jump <span class="Constant">1:offset</span>  <span class="Comment"># 0 -+</span>
<span id="L50" class="LineNr"> 50 </span>  jump <span class="Constant">3:offset</span>  <span class="Comment">#    |   +-+ 1</span>
<span id="L51" class="LineNr"> 51 </span>                 <span class="Comment">#   \/  /\ |</span>
<span id="L52" class="LineNr"> 52 </span>  jump <span class="Constant">-2:offset</span> <span class="Comment">#  2 +--&gt;+ |</span>
<span id="L53" class="LineNr"> 53 </span>]                <span class="Comment">#         \/ 3</span>
<span id="L54" class="LineNr"> 54 </span><span class="traceContains">+run: jump {1: &quot;offset&quot;}</span>
<span id="L55" class="LineNr"> 55 </span><span class="traceContains">+run: jump {-2: &quot;offset&quot;}</span>
<span id="L56" class="LineNr"> 56 </span><span class="traceContains">+run: jump {3: &quot;offset&quot;}</span>
<span id="L57" class="LineNr"> 57 </span>
<span id="L58" class="LineNr"> 58 </span><span class="Delimiter">:(scenario jump_takes_no_products)</span>
<span id="L59" class="LineNr"> 59 </span><span class="Special">% Hide_errors = true;</span>
<span id="L60" class="LineNr"> 60 </span><span class="muRecipe">def</span> <a href='000organization.cc.html#L113'>main</a> [
<span id="L61" class="LineNr"> 61 </span>  <span class="Constant">1</span>:num<span class="Special"> &lt;- </span>jump <span class="Constant">1</span>
<span id="L62" class="LineNr"> 62 </span>]
<span id="L63" class="LineNr"> 63 </span><span class="traceContains">+error: <a href='000organization.cc.html#L113'>main</a>: 'jump' instructions write no products</span>
<span id="L64" class="LineNr"> 64 </span>
<span id="L65" class="LineNr"> 65 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Declarations&quot;)</span>
<span id="L66" class="LineNr"> 66 </span>JUMP_IF<span class="Delimiter">,</span>
<span id="L67" class="LineNr"> 67 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Numbers&quot;)</span>
<span id="L68" class="LineNr"> 68 </span><a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span><span class="Special">Recipe_ordinal</span><span class="Delimiter">,</span> <span class="Constant">&quot;jump-if&quot;</span><span class="Delimiter">,</span> JUMP_IF<span class="Delimiter">);</span>
<span id="L69" class="LineNr"> 69 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Checks&quot;)</span>
<span id="L70" class="LineNr"> 70 </span><span class="Normal">case</span> JUMP_IF: <span class="Delimiter">{</span>
<span id="L71" class="LineNr"> 71 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">)</span> != <span class="Constant">2</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L72" class="LineNr"> 72 </span>    <a href='003trace.cc.html#L196'>raise</a> &lt;&lt; <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span>get<span class="Delimiter">(</span><span class="Special">Recipe</span><span class="Delimiter">,</span> r<span class="Delimiter">).</span>name<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;'&quot;</span> &lt;&lt; to_original_string<span class="Delimiter">(</span>inst<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;' should get exactly two ingredients\n&quot;</span> &lt;&lt; <a href='003trace.cc.html#L225'>end</a><span class="Delimiter">();</span>
<span id="L73" class="LineNr"> 73 </span>    <span class="Identifier">break</span><span class="Delimiter">;</span>
<span id="L74" class="LineNr"> 74 </span>  <span class="Delimiter">}</span>
<span id="L75" class="LineNr"> 75 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>!is_mu_address<span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">))</span> &amp;&amp; !is_mu_scalar<span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">)))</span> <span class="Delimiter">{</span>
<span id="L76" class="LineNr"> 76 </span>    <a href='003trace.cc.html#L196'>raise</a> &lt;&lt; <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span>get<span class="Delimiter">(</span><span class="Special">Recipe</span><span class="Delimiter">,</span> r<span class="Delimiter">).</span>name<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;'&quot;</span> &lt;&lt; to_original_string<span class="Delimiter">(</span>inst<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;' requires a boolean for its first ingredient, but '&quot;</span> &lt;&lt; inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">).</span>name &lt;&lt; <span class="Constant">&quot;' has type '&quot;</span> &lt;&lt; names_to_string_without_quotes<span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">).</span>type<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;'\n&quot;</span> &lt;&lt; <a href='003trace.cc.html#L225'>end</a><span class="Delimiter">();</span>
<span id="L77" class="LineNr"> 77 </span>    <span class="Identifier">break</span><span class="Delimiter">;</span>
<span id="L78" class="LineNr"> 78 </span>  <span class="Delimiter">}</span>
<span id="L79" class="LineNr"> 79 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>!is_literal<span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">1</span><span class="Delimiter">)))</span> <span class="Delimiter">{</span>
<span id="L80" class="LineNr"> 80 </span>    <a href='003trace.cc.html#L196'>raise</a> &lt;&lt; <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span>get<span class="Delimiter">(</span><span class="Special">Recipe</span><span class="Delimiter">,</span> r<span class="Delimiter">).</span>name<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;'&quot;</span> &lt;&lt; to_original_string<span class="Delimiter">(</span>inst<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;' requires a label or offset for its second ingredient, but '&quot;</span> &lt;&lt; inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">1</span><span class="Delimiter">).</span>name &lt;&lt; <span class="Constant">&quot;' has type '&quot;</span> &lt;&lt; names_to_string_without_quotes<span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">1</span><span class="Delimiter">).</span>type<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;'\n&quot;</span> &lt;&lt; <a href='003trace.cc.html#L225'>end</a><span class="Delimiter">();</span>
<span id="L81" class="LineNr"> 81 </span>    <span class="Identifier">break</span><span class="Delimiter">;</span>
<span id="L82" class="LineNr"> 82 </span>  <span class="Delimiter">}</span>
<span id="L83" class="LineNr"> 83 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>!inst<span class="Delimiter">.</span>products<span class="Delimiter">.</span>empty<span class="Delimiter">())</span> <span class="Delimiter">{</span>
<span id="L84" class="LineNr"> 84 </span>    <a href='003trace.cc.html#L196'>raise</a> &lt;&lt; <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span>get<span class="Delimiter">(</span><span class="Special">Recipe</span><span class="Delimiter">,</span> r<span class="Delimiter">).</span>name<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;'jump-if' instructions write no products\n&quot;</span> &lt;&lt; <a href='003trace.cc.html#L225'>end</a><span class="Delimiter">();</span>
<span id="L85" class="LineNr"> 85 </span>    <span class="Identifier">break</span><span class="Delimiter">;</span>
<span id="L86" class="LineNr"> 86 </span>  <span class="Delimiter">}</span>
<span id="L87" class="LineNr"> 87 </span>  <span class="Comment">// End JUMP_IF Checks</span>
<span id="L88" class="LineNr"> 88 </span>  <span class="Identifier">break</span><span class="Delimiter">;</span>
<span id="L89" class="LineNr"> 89 </span><span class="Delimiter">}</span>
<span id="L90" class="LineNr"> 90 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Implementations&quot;)</span>
<span id="L91" class="LineNr"> 91 </span><span class="Normal">case</span> JUMP_IF: <span class="Delimiter">{</span>
<span id="L92" class="LineNr"> 92 </span>  assert<span class="Delimiter">(</span><a href='026call.cc.html#L89'>current_instruction</a><span class="Delimiter">().</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">1</span><span class="Delimiter">).</span>initialized<span class="Delimiter">);</span>
<span id="L93" class="LineNr"> 93 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>!scalar_ingredient<span class="Delimiter">(</span>ingredients<span class="Delimiter">,</span> <span class="Constant">0</span><span class="Delimiter">))</span> <span class="Delimiter">{</span>
<span id="L94" class="LineNr"> 94 </span>    <a href='003trace.cc.html#L189'>trace</a><span class="Delimiter">(</span><span class="Constant">9998</span><span class="Delimiter">,</span> <span class="Constant">&quot;run&quot;</span><span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;jump-if fell through&quot;</span> &lt;&lt; <a href='003trace.cc.html#L225'>end</a><span class="Delimiter">();</span>
<span id="L95" class="LineNr"> 95 </span>    <span class="Identifier">break</span><span class="Delimiter">;</span>
<span id="L96" class="LineNr"> 96 </span>  <span class="Delimiter">}</span>
<span id="L97" class="LineNr"> 97 </span>  <a href='026call.cc.html#L84'>current_step_index</a><span class="Delimiter">()</span> += ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">1</span><span class="Delimiter">).</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">)</span>+<span class="Constant">1</span><span class="Delimiter">;</span>
<span id="L98" class="LineNr"> 98 </span>  <a href='003trace.cc.html#L189'>trace</a><span class="Delimiter">(</span><span class="Constant">9998</span><span class="Delimiter">,</span> <span class="Constant">&quot;run&quot;</span><span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;jumping to <a href='010vm.cc.html#L33'>instruction</a> &quot;</span> &lt;&lt; <a href='026call.cc.html#L84'>current_step_index</a><span class="Delimiter">()</span> &lt;&lt; <a href='003trace.cc.html#L225'>end</a><span class="Delimiter">();</span>
<span id="L99" class="LineNr"> 99 </span>  <span class="Comment">// skip rest of this instruction</span>
<span id="L100" class="LineNr">100 </span>  write_products =<span class="Constant"> false</span><span class="Delimiter">;</span>
<span id="L101" class="LineNr">101 </span>  fall_through_to_next_instruction =<span class="Constant"> false</span><span class="Delimiter">;</span>
<span id="L102" class="LineNr">102 </span>  <span class="Identifier">break</span><span class="Delimiter">;</span>
<span id="L103" class="LineNr">103 </span><span class="Delimiter">}</span>
<span id="L104" class="LineNr">104 </span>
<span id="L105" class="LineNr">105 </span><span class="Delimiter">:(scenario jump_if)</span>
<span id="L106" class="LineNr">106 </span><span class="muRecipe">def</span> <a href='000organization.cc.html#L113'>main</a> [
<span id="L107" class="LineNr">107 </span>  jump-<span class="Normal">if</span> <span class="Constant">999</span><span class="Delimiter">,</span> <span class="Constant">1:offset</span>
<span id="L108" class="LineNr">108 </span>  <span class="Constant">123</span>:num<span class="Special"> &lt;- </span>copy <span class="Constant">1</span>
<span id="L109" class="LineNr">109 </span>]
<span id="L110" class="LineNr">110 </span><span class="traceContains">+run: jump-if {999: &quot;literal&quot;}, {1: &quot;offset&quot;}</span>
<span id="L111" class="LineNr">111 </span><span class="traceContains">+run: jumping to <a href='010vm.cc.html#L33'>instruction</a> 2</span>
<span id="L112" class="LineNr">112 </span><span class="traceAbsent">-run: {123: &quot;number&quot;} &lt;- copy {1: &quot;literal&quot;}</span>
<span id="L113" class="LineNr">113 </span><span class="traceAbsent">-mem: storing 1 in location 123</span>
<span id="L114" class="LineNr">114 </span>
<span id="L115" class="LineNr">115 </span><span class="Delimiter">:(scenario jump_if_fallthrough)</span>
<span id="L116" class="LineNr">116 </span><span class="muRecipe">def</span> <a href='000organization.cc.html#L113'>main</a> [
<span id="L117" class="LineNr">117 </span>  jump-<span class="Normal">if</span> <span class="Constant">0</span><span class="Delimiter">,</span> <span class="Constant">1:offset</span>
<span id="L118" class="LineNr">118 </span>  <span class="Constant">123</span>:num<span class="Special"> &lt;- </span>copy <span class="Constant">1</span>
<span id="L119" class="LineNr">119 </span>]
<span id="L120" class="LineNr">120 </span><span class="traceContains">+run: jump-if {0: &quot;literal&quot;}, {1: &quot;offset&quot;}</span>
<span id="L121" class="LineNr">121 </span><span class="traceContains">+run: jump-if fell through</span>
<span id="L122" class="LineNr">122 </span><span class="traceContains">+run: {123: &quot;number&quot;} &lt;- copy {1: &quot;literal&quot;}</span>
<span id="L123" class="LineNr">123 </span><span class="traceContains">+mem: storing 1 in location 123</span>
<span id="L124" class="LineNr">124 </span>
<span id="L125" class="LineNr">125 </span><span class="Delimiter">:(scenario jump_if_on_address)</span>
<span id="L126" class="LineNr">126 </span><span class="muRecipe">def</span> <a href='000organization.cc.html#L113'>main</a> [
<span id="L127" class="LineNr">127 </span>  <span class="Constant">10</span>:num/alloc-id<span class="Delimiter">,</span> <span class="Constant">11</span>:num<span class="Special"> &lt;- </span>copy <span class="Constant">0</span><span class="Delimiter">,</span> <span class="Constant">999</span>
<span id="L128" class="LineNr">128 </span>  jump-<span class="Normal">if</span> <span class="Constant">10</span>:&amp;:number<span class="Delimiter">,</span> <span class="Constant">1:offset</span>
<span id="L129" class="LineNr">129 </span>  <span class="Constant">123</span>:num<span class="Special"> &lt;- </span>copy <span class="Constant">1</span>
<span id="L130" class="LineNr">130 </span>]
<span id="L131" class="LineNr">131 </span><span class="traceContains">+run: jump-if {10: (&quot;address&quot; &quot;number&quot;)}, {1: &quot;offset&quot;}</span>
<span id="L132" class="LineNr">132 </span><span class="traceContains">+run: jumping to <a href='010vm.cc.html#L33'>instruction</a> 3</span>
<span id="L133" class="LineNr">133 </span><span class="traceAbsent">-run: {123: &quot;number&quot;} &lt;- copy {1: &quot;literal&quot;}</span>
<span id="L134" class="LineNr">134 </span><span class="traceAbsent">-mem: storing 1 in location 123</span>
<span id="L135" class="LineNr">135 </span>
<span id="L136" class="LineNr">136 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Declarations&quot;)</span>
<span id="L137" class="LineNr">137 </span>JUMP_UNLESS<span class="Delimiter">,</span>
<span id="L138" class="LineNr">138 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Numbers&quot;)</span>
<span id="L139" class="LineNr">139 </span><a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span><span class="Special">Recipe_ordinal</span><span class="Delimiter">,</span> <span class="Constant">&quot;jump-unless&quot;</span><span class="Delimiter">,</span> JUMP_UNLESS<span class="Delimiter">);</span>
<span id="L140" class="LineNr">140 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Checks&quot;)</span>
<span id="L141" class="LineNr">141 </span><span class="Normal">case</span> JUMP_UNLESS: <span class="Delimiter">{</span>
<span id="L142" class="LineNr">142 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">)</span> != <span class="Constant">2</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L143" class="LineNr">143 </span>    <a href='003trace.cc.html#L196'>raise</a> &lt;&lt; <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span>get<span class="Delimiter">(</span><span class="Special">Recipe</span><span class="Delimiter">,</span> r<span class="Delimiter">).</span>name<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;'&quot;</span> &lt;&lt; to_original_string<span class="Delimiter">(</span>inst<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;' should get exactly two ingredients\n&quot;</span> &lt;&lt; <a href='003trace.cc.html#L225'>end</a><span class="Delimiter">();</span>
<span id="L144" class="LineNr">144 </span>    <span class="Identifier">break</span><span class="Delimiter">;</span>
<span id="L145" class="LineNr">145 </span>  <span class="Delimiter">}</span>
<span id="L146" class="LineNr">146 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>!is_mu_address<span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">))</span> &amp;&amp; !is_mu_scalar<span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">)))</span> <span class="Delimiter">{</span>
<span id="L147" class="LineNr">147 </span>    <a href='003trace.cc.html#L196'>raise</a> &lt;&lt; <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span>get<span class="Delimiter">(</span><span class="Special">Recipe</span><span class="Delimiter">,</span> r<span class="Delimiter">).</span>name<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;'&quot;</span> &lt;&lt; to_original_string<span class="Delimiter">(</span>inst<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;' requires a boolean for its first ingredient, but '&quot;</span> &lt;&lt; inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">).</span>name &lt;&lt; <span class="Constant">&quot;' has type '&quot;</span> &lt;&lt; names_to_string_without_quotes<span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">).</span>type<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;'\n&quot;</span> &lt;&lt; <a href='003trace.cc.html#L225'>end</a><span class="Delimiter">();</span>
<span id="L148" class="LineNr">148 </span>    <span class="Identifier">break</span><span class="Delimiter">;</span>
<span id="L149" class="LineNr">149 </span>  <span class="Delimiter">}</span>
<span id="L150" class="LineNr">150 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>!is_literal<span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">1</span><span class="Delimiter">)))</span> <span class="Delimiter">{</span>
<span id="L151" class="LineNr">151 </span>    <a href='003trace.cc.html#L196'>raise</a> &lt;&lt; <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span>get<span class="Delimiter">(</span><span class="Special">Recipe</span><span class="Delimiter">,</span> r<span class="Delimiter">).</span>name<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;'&quot;</span> &lt;&lt; to_original_string<span class="Delimiter">(</span>inst<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;' requires a label or offset for its second ingredient, but '&quot;</span> &lt;&lt; inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">1</span><span class="Delimiter">).</span>name &lt;&lt; <span class="Constant">&quot;' has type '&quot;</span> &lt;&lt; names_to_string_without_quotes<span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">1</span><span class="Delimiter">).</span>type<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;'\n&quot;</span> &lt;&lt; <a href='003trace.cc.html#L225'>end</a><span class="Delimiter">();</span>
<span id="L152" class="LineNr">152 </span>    <span class="Identifier">break</span><span class="Delimiter">;</span>
<span id="L153" class="LineNr">153 </span>  <span class="Delimiter">}</span>
<span id="L154" class="LineNr">154 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>!inst<span class="Delimiter">.</span>products<span class="Delimiter">.</span>empty<span class="Delimiter">())</span> <span class="Delimiter">{</span>
<span id="L155" class="LineNr">155 </span>    <a href='003trace.cc.html#L196'>raise</a> &lt;&lt; <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span>get<span class="Delimiter">(</span><span class="Special">Recipe</span><span class="Delimiter">,</span> r<span class="Delimiter">).</span>name<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;'jump' instructions write no products\n&quot;</span> &lt;&lt; <a href='003trace.cc.html#L225'>end</a><span class="Delimiter">();</span>
<span id="L156" class="LineNr">156 </span>    <span class="Identifier">break</span><span class="Delimiter">;</span>
<span id="L157" class="LineNr">157 </span>  <span class="Delimiter">}</span>
<span id="L158" class="LineNr">158 </span>  <span class="Comment">// End JUMP_UNLESS Checks</span>
<span id="L159" class="LineNr">159 </span>  <span class="Identifier">break</span><span class="Delimiter">;</span>
<span id="L160" class="LineNr">160 </span><span class="Delimiter">}</span>
<span id="L161" class="LineNr">161 </span><span class="Delimiter">:(before &quot;End Primitive Recipe Implementations&quot;)</span>
<span id="L162" class="LineNr">162 </span><span class="Normal">case</span> JUMP_UNLESS: <span class="Delimiter">{</span>
<span id="L163" class="LineNr">163 </span>  assert<span class="Delimiter">(</span><a href='026call.cc.html#L89'>current_instruction</a><span class="Delimiter">().</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">1</span><span class="Delimiter">).</span>initialized<span class="Delimiter">);</span>
<span id="L164" class="LineNr">164 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span><a href='023boolean.cc.html#L35'>scalar_ingredient</a><span class="Delimiter">(</span>ingredients<span class="Delimiter">,</span> <span class="Constant">0</span><span class="Delimiter">))</span> <span class="Delimiter">{</span>
<span id="L165" class="LineNr">165 </span>    <a href='003trace.cc.html#L189'>trace</a><span class="Delimiter">(</span><span class="Constant">9998</span><span class="Delimiter">,</span> <span class="Constant">&quot;run&quot;</span><span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;jump-unless fell through&quot;</span> &lt;&lt; <a href='003trace.cc.html#L225'>end</a><span class="Delimiter">();</span>
<span id="L166" class="LineNr">166 </span>    <span class="Identifier">break</span><span class="Delimiter">;</span>
<span id="L167" class="LineNr">167 </span>  <span class="Delimiter">}</span>
<span id="L168" class="LineNr">168 </span>  <a href='026call.cc.html#L84'>current_step_index</a><span class="Delimiter">()</span> += ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">1</span><span class="Delimiter">).</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">)</span>+<span class="Constant">1</span><span class="Delimiter">;</span>
<span id="L169" class="LineNr">169 </span>  <a href='003trace.cc.html#L189'>trace</a><span class="Delimiter">(</span><span class="Constant">9998</span><span class="Delimiter">,</span> <span class="Constant">&quot;run&quot;</span><span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;jumping to <a href='010vm.cc.html#L33'>instruction</a> &quot;</span> &lt;&lt; <a href='026call.cc.html#L84'>current_step_index</a><span class="Delimiter">()</span> &lt;&lt; <a href='003trace.cc.html#L225'>end</a><span class="Delimiter">();</span>
<span id="L170" class="LineNr">170 </span>  <span class="Comment">// skip rest of this instruction</span>
<span id="L171" class="LineNr">171 </span>  write_products =<span class="Constant"> false</span><span class="Delimiter">;</span>
<span id="L172" class="LineNr">172 </span>  fall_through_to_next_instruction =<span class="Constant"> false</span><span class="Delimiter">;</span>
<span id="L173" class="LineNr">173 </span>  <span class="Identifier">break</span><span class="Delimiter">;</span>
<span id="L174" class="LineNr">174 </span><span class="Delimiter">}</span>
<span id="L175" class="LineNr">175 </span>
<span id="L176" class="LineNr">176 </span><span class="Delimiter">:(scenario jump_unless)</span>
<span id="L177" class="LineNr">177 </span><span class="muRecipe">def</span> <a href='000organization.cc.html#L113'>main</a> [
<span id="L178" class="LineNr">178 </span>  jump-unless <span class="Constant">0</span><span class="Delimiter">,</span> <span class="Constant">1:offset</span>
<span id="L179" class="LineNr">179 </span>  <span class="Constant">123</span>:num<span class="Special"> &lt;- </span>copy <span class="Constant">1</span>
<span id="L180" class="LineNr">180 </span>]
<span id="L181" class="LineNr">181 </span><span class="traceContains">+run: jump-unless {0: &quot;literal&quot;}, {1: &quot;offset&quot;}</span>
<span id="L182" class="LineNr">182 </span><span class="traceContains">+run: jumping to <a href='010vm.cc.html#L33'>instruction</a> 2</span>
<span id="L183" class="LineNr">183 </span><span class="traceAbsent">-run: {123: &quot;number&quot;} &lt;- copy {1: &quot;literal&quot;}</span>
<span id="L184" class="LineNr">184 </span><span class="traceAbsent">-mem: storing 1 in location 123</span>
<span id="L185" class="LineNr">185 </span>
<span id="L186" class="LineNr">186 </span><span class="Delimiter">:(scenario jump_unless_fallthrough)</span>
<span id="L187" class="LineNr">187 </span><span class="muRecipe">def</span> <a href='000organization.cc.html#L113'>main</a> [
<span id="L188" class="LineNr">188 </span>  jump-unless <span class="Constant">999</span><span class="Delimiter">,</span> <span class="Constant">1:offset</span>
<span id="L189" class="LineNr">189 </span>  <span class="Constant">123</span>:num<span class="Special"> &lt;- </span>copy <span class="Constant">1</span>
<span id="L190" class="LineNr">190 </span>]
<span id="L191" class="LineNr">191 </span><span class="traceContains">+run: jump-unless {999: &quot;literal&quot;}, {1: &quot;offset&quot;}</span>
<span id="L192" class="LineNr">192 </span><span class="traceContains">+run: jump-unless fell through</span>
<span id="L193" class="LineNr">193 </span><span class="traceContains">+run: {123: &quot;number&quot;} &lt;- copy {1: &quot;literal&quot;}</span>
<span id="L194" class="LineNr">194 </span><span class="traceContains">+mem: storing 1 in location 123</span>
</pre>
</body>
</html>
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