<?xml version="1.0" encoding="UTF-8"?> <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd"> <html> <head> <!-- Generated by HsColour, http://www.cs.york.ac.uk/fp/darcs/hscolour/ --> <title>nativeGen/RegAlloc/Linear/Stats.hs</title> <link type='text/css' rel='stylesheet' href='hscolour.css' /> </head> <body> <pre><a name="line-1"></a><span class='hs-keyword'>module</span> <span class='hs-conid'>RegAlloc</span><span class='hs-varop'>.</span><span class='hs-conid'>Linear</span><span class='hs-varop'>.</span><span class='hs-conid'>Stats</span> <span class='hs-layout'>(</span> <a name="line-2"></a> <span class='hs-varid'>binSpillReasons</span><span class='hs-layout'>,</span> <a name="line-3"></a> <span class='hs-varid'>countRegRegMovesNat</span><span class='hs-layout'>,</span> <a name="line-4"></a> <span class='hs-varid'>pprStats</span> <a name="line-5"></a><span class='hs-layout'>)</span> <a name="line-6"></a> <a name="line-7"></a><span class='hs-keyword'>where</span> <a name="line-8"></a> <a name="line-9"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>RegAlloc</span><span class='hs-varop'>.</span><span class='hs-conid'>Linear</span><span class='hs-varop'>.</span><span class='hs-conid'>Base</span> <a name="line-10"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>RegAlloc</span><span class='hs-varop'>.</span><span class='hs-conid'>Liveness</span> <a name="line-11"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Instruction</span> <a name="line-12"></a> <a name="line-13"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Cmm</span> <span class='hs-layout'>(</span><span class='hs-conid'>GenBasicBlock</span><span class='hs-layout'>(</span><span class='hs-keyglyph'>..</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span> <a name="line-14"></a> <a name="line-15"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>UniqFM</span> <a name="line-16"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Outputable</span> <a name="line-17"></a> <a name="line-18"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Data</span><span class='hs-varop'>.</span><span class='hs-conid'>List</span> <a name="line-19"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>State</span> <a name="line-20"></a> <a name="line-21"></a><a name="binSpillReasons"></a><span class='hs-comment'>-- | Build a map of how many times each reg was alloced, clobbered, loaded etc.</span> <a name="line-22"></a><span class='hs-definition'>binSpillReasons</span> <a name="line-23"></a> <span class='hs-keyglyph'>::</span> <span class='hs-keyglyph'>[</span><span class='hs-conid'>SpillReason</span><span class='hs-keyglyph'>]</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>UniqFM</span> <span class='hs-keyglyph'>[</span><span class='hs-conid'>Int</span><span class='hs-keyglyph'>]</span> <a name="line-24"></a> <a name="line-25"></a><span class='hs-definition'>binSpillReasons</span> <span class='hs-varid'>reasons</span> <a name="line-26"></a> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>addListToUFM_C</span> <a name="line-27"></a> <span class='hs-layout'>(</span><span class='hs-varid'>zipWith</span> <span class='hs-layout'>(</span><span class='hs-varop'>+</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span> <a name="line-28"></a> <span class='hs-varid'>emptyUFM</span> <a name="line-29"></a> <span class='hs-layout'>(</span><span class='hs-varid'>map</span> <span class='hs-layout'>(</span><span class='hs-keyglyph'>\</span><span class='hs-varid'>reason</span> <span class='hs-keyglyph'>-></span> <span class='hs-keyword'>case</span> <span class='hs-varid'>reason</span> <span class='hs-keyword'>of</span> <a name="line-30"></a> <span class='hs-conid'>SpillAlloc</span> <span class='hs-varid'>r</span> <span class='hs-keyglyph'>-></span> <span class='hs-layout'>(</span><span class='hs-varid'>r</span><span class='hs-layout'>,</span> <span class='hs-keyglyph'>[</span><span class='hs-num'>1</span><span class='hs-layout'>,</span> <span class='hs-num'>0</span><span class='hs-layout'>,</span> <span class='hs-num'>0</span><span class='hs-layout'>,</span> <span class='hs-num'>0</span><span class='hs-layout'>,</span> <span class='hs-num'>0</span><span class='hs-keyglyph'>]</span><span class='hs-layout'>)</span> <a name="line-31"></a> <span class='hs-conid'>SpillClobber</span> <span class='hs-varid'>r</span> <span class='hs-keyglyph'>-></span> <span class='hs-layout'>(</span><span class='hs-varid'>r</span><span class='hs-layout'>,</span> <span class='hs-keyglyph'>[</span><span class='hs-num'>0</span><span class='hs-layout'>,</span> <span class='hs-num'>1</span><span class='hs-layout'>,</span> <span class='hs-num'>0</span><span class='hs-layout'>,</span> <span class='hs-num'>0</span><span class='hs-layout'>,</span> <span class='hs-num'>0</span><span class='hs-keyglyph'>]</span><span class='hs-layout'>)</span> <a name="line-32"></a> <span class='hs-conid'>SpillLoad</span> <span class='hs-varid'>r</span> <span class='hs-keyglyph'>-></span> <span class='hs-layout'>(</span><span class='hs-varid'>r</span><span class='hs-layout'>,</span> <span class='hs-keyglyph'>[</span><span class='hs-num'>0</span><span class='hs-layout'>,</span> <span class='hs-num'>0</span><span class='hs-layout'>,</span> <span class='hs-num'>1</span><span class='hs-layout'>,</span> <span class='hs-num'>0</span><span class='hs-layout'>,</span> <span class='hs-num'>0</span><span class='hs-keyglyph'>]</span><span class='hs-layout'>)</span> <a name="line-33"></a> <span class='hs-conid'>SpillJoinRR</span> <span class='hs-varid'>r</span> <span class='hs-keyglyph'>-></span> <span class='hs-layout'>(</span><span class='hs-varid'>r</span><span class='hs-layout'>,</span> <span class='hs-keyglyph'>[</span><span class='hs-num'>0</span><span class='hs-layout'>,</span> <span class='hs-num'>0</span><span class='hs-layout'>,</span> <span class='hs-num'>0</span><span class='hs-layout'>,</span> <span class='hs-num'>1</span><span class='hs-layout'>,</span> <span class='hs-num'>0</span><span class='hs-keyglyph'>]</span><span class='hs-layout'>)</span> <a name="line-34"></a> <span class='hs-conid'>SpillJoinRM</span> <span class='hs-varid'>r</span> <span class='hs-keyglyph'>-></span> <span class='hs-layout'>(</span><span class='hs-varid'>r</span><span class='hs-layout'>,</span> <span class='hs-keyglyph'>[</span><span class='hs-num'>0</span><span class='hs-layout'>,</span> <span class='hs-num'>0</span><span class='hs-layout'>,</span> <span class='hs-num'>0</span><span class='hs-layout'>,</span> <span class='hs-num'>0</span><span class='hs-layout'>,</span> <span class='hs-num'>1</span><span class='hs-keyglyph'>]</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span> <span class='hs-varid'>reasons</span><span class='hs-layout'>)</span> <a name="line-35"></a> <a name="line-36"></a> <a name="line-37"></a><a name="countRegRegMovesNat"></a><span class='hs-comment'>-- | Count reg-reg moves remaining in this code.</span> <a name="line-38"></a><span class='hs-definition'>countRegRegMovesNat</span> <a name="line-39"></a> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Instruction</span> <span class='hs-varid'>instr</span> <a name="line-40"></a> <span class='hs-keyglyph'>=></span> <span class='hs-conid'>NatCmmTop</span> <span class='hs-varid'>instr</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Int</span> <a name="line-41"></a> <a name="line-42"></a><span class='hs-definition'>countRegRegMovesNat</span> <span class='hs-varid'>cmm</span> <a name="line-43"></a> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>execState</span> <span class='hs-layout'>(</span><span class='hs-varid'>mapGenBlockTopM</span> <span class='hs-varid'>countBlock</span> <span class='hs-varid'>cmm</span><span class='hs-layout'>)</span> <span class='hs-num'>0</span> <a name="line-44"></a> <span class='hs-keyword'>where</span> <a name="line-45"></a> <span class='hs-varid'>countBlock</span> <span class='hs-varid'>b</span><span class='hs-keyglyph'>@</span><span class='hs-layout'>(</span><span class='hs-conid'>BasicBlock</span> <span class='hs-keyword'>_</span> <span class='hs-varid'>instrs</span><span class='hs-layout'>)</span> <a name="line-46"></a> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span> <span class='hs-varid'>mapM_</span> <span class='hs-varid'>countInstr</span> <span class='hs-varid'>instrs</span> <a name="line-47"></a> <span class='hs-varid'>return</span> <span class='hs-varid'>b</span> <a name="line-48"></a> <a name="line-49"></a> <span class='hs-varid'>countInstr</span> <span class='hs-varid'>instr</span> <a name="line-50"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>Just</span> <span class='hs-keyword'>_</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>takeRegRegMoveInstr</span> <span class='hs-varid'>instr</span> <a name="line-51"></a> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span> <span class='hs-varid'>modify</span> <span class='hs-layout'>(</span><span class='hs-varop'>+</span> <span class='hs-num'>1</span><span class='hs-layout'>)</span> <a name="line-52"></a> <span class='hs-varid'>return</span> <span class='hs-varid'>instr</span> <a name="line-53"></a> <a name="line-54"></a> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>otherwise</span> <a name="line-55"></a> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>return</span> <span class='hs-varid'>instr</span> <a name="line-56"></a> <a name="line-57"></a> <a name="line-58"></a><a name="pprStats"></a><span class='hs-comment'>-- | Pretty print some RegAllocStats</span> <a name="line-59"></a><span class='hs-definition'>pprStats</span> <a name="line-60"></a> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Instruction</span> <span class='hs-varid'>instr</span> <a name="line-61"></a> <span class='hs-keyglyph'>=></span> <span class='hs-keyglyph'>[</span><span class='hs-conid'>NatCmmTop</span> <span class='hs-varid'>instr</span><span class='hs-keyglyph'>]</span> <span class='hs-keyglyph'>-></span> <span class='hs-keyglyph'>[</span><span class='hs-conid'>RegAllocStats</span><span class='hs-keyglyph'>]</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>SDoc</span> <a name="line-62"></a> <a name="line-63"></a><span class='hs-definition'>pprStats</span> <span class='hs-varid'>code</span> <span class='hs-varid'>statss</span> <a name="line-64"></a> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>let</span> <span class='hs-comment'>-- sum up all the instrs inserted by the spiller</span> <a name="line-65"></a> <span class='hs-varid'>spills</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>foldl'</span> <span class='hs-layout'>(</span><span class='hs-varid'>plusUFM_C</span> <span class='hs-layout'>(</span><span class='hs-varid'>zipWith</span> <span class='hs-layout'>(</span><span class='hs-varop'>+</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span> <a name="line-66"></a> <span class='hs-varid'>emptyUFM</span> <a name="line-67"></a> <span class='hs-varop'>$</span> <span class='hs-varid'>map</span> <span class='hs-varid'>ra_spillInstrs</span> <span class='hs-varid'>statss</span> <a name="line-68"></a> <a name="line-69"></a> <span class='hs-varid'>spillTotals</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>foldl'</span> <span class='hs-layout'>(</span><span class='hs-varid'>zipWith</span> <span class='hs-layout'>(</span><span class='hs-varop'>+</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span> <a name="line-70"></a> <span class='hs-keyglyph'>[</span><span class='hs-num'>0</span><span class='hs-layout'>,</span> <span class='hs-num'>0</span><span class='hs-layout'>,</span> <span class='hs-num'>0</span><span class='hs-layout'>,</span> <span class='hs-num'>0</span><span class='hs-layout'>,</span> <span class='hs-num'>0</span><span class='hs-keyglyph'>]</span> <a name="line-71"></a> <span class='hs-varop'>$</span> <span class='hs-varid'>eltsUFM</span> <span class='hs-varid'>spills</span> <a name="line-72"></a> <a name="line-73"></a> <span class='hs-comment'>-- count how many reg-reg-moves remain in the code</span> <a name="line-74"></a> <span class='hs-varid'>moves</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>sum</span> <span class='hs-varop'>$</span> <span class='hs-varid'>map</span> <span class='hs-varid'>countRegRegMovesNat</span> <span class='hs-varid'>code</span> <a name="line-75"></a> <a name="line-76"></a> <span class='hs-varid'>pprSpill</span> <span class='hs-layout'>(</span><span class='hs-varid'>reg</span><span class='hs-layout'>,</span> <span class='hs-varid'>spills</span><span class='hs-layout'>)</span> <a name="line-77"></a> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>parens</span> <span class='hs-varop'>$</span> <span class='hs-layout'>(</span><span class='hs-varid'>hcat</span> <span class='hs-varop'>$</span> <span class='hs-varid'>punctuate</span> <span class='hs-layout'>(</span><span class='hs-varid'>text</span> <span class='hs-str'>", "</span><span class='hs-layout'>)</span> <span class='hs-layout'>(</span><span class='hs-varid'>doubleQuotes</span> <span class='hs-layout'>(</span><span class='hs-varid'>ppr</span> <span class='hs-varid'>reg</span><span class='hs-layout'>)</span> <span class='hs-conop'>:</span> <span class='hs-varid'>map</span> <span class='hs-varid'>ppr</span> <span class='hs-varid'>spills</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span> <a name="line-78"></a> <a name="line-79"></a> <span class='hs-keyword'>in</span> <span class='hs-layout'>(</span> <span class='hs-varid'>text</span> <span class='hs-str'>"-- spills-added-total"</span> <a name="line-80"></a> <span class='hs-varop'>$$</span> <span class='hs-varid'>text</span> <span class='hs-str'>"-- (allocs, clobbers, loads, joinRR, joinRM, reg_reg_moves_remaining)"</span> <a name="line-81"></a> <span class='hs-varop'>$$</span> <span class='hs-layout'>(</span><span class='hs-varid'>parens</span> <span class='hs-varop'>$</span> <span class='hs-layout'>(</span><span class='hs-varid'>hcat</span> <span class='hs-varop'>$</span> <span class='hs-varid'>punctuate</span> <span class='hs-layout'>(</span><span class='hs-varid'>text</span> <span class='hs-str'>", "</span><span class='hs-layout'>)</span> <span class='hs-layout'>(</span><span class='hs-varid'>map</span> <span class='hs-varid'>ppr</span> <span class='hs-varid'>spillTotals</span> <span class='hs-varop'>++</span> <span class='hs-keyglyph'>[</span><span class='hs-varid'>ppr</span> <span class='hs-varid'>moves</span><span class='hs-keyglyph'>]</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span> <a name="line-82"></a> <span class='hs-varop'>$$</span> <span class='hs-varid'>text</span> <span class='hs-str'>""</span> <a name="line-83"></a> <span class='hs-varop'>$$</span> <span class='hs-varid'>text</span> <span class='hs-str'>"-- spills-added"</span> <a name="line-84"></a> <span class='hs-varop'>$$</span> <span class='hs-varid'>text</span> <span class='hs-str'>"-- (reg_name, allocs, clobbers, loads, joinRR, joinRM)"</span> <a name="line-85"></a> <span class='hs-varop'>$$</span> <span class='hs-layout'>(</span><span class='hs-varid'>vcat</span> <span class='hs-varop'>$</span> <span class='hs-varid'>map</span> <span class='hs-varid'>pprSpill</span> <a name="line-86"></a> <span class='hs-varop'>$</span> <span class='hs-varid'>ufmToList</span> <span class='hs-varid'>spills</span><span class='hs-layout'>)</span> <a name="line-87"></a> <span class='hs-varop'>$$</span> <span class='hs-varid'>text</span> <span class='hs-str'>""</span><span class='hs-layout'>)</span> <a name="line-88"></a> </pre></body> </html>
