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<pre><a name="line-1"></a>
<a name="line-2"></a><span class='hs-keyword'>module</span> <span class='hs-conid'>SPARC</span><span class='hs-varop'>.</span><span class='hs-conid'>CodeGen</span><span class='hs-varop'>.</span><span class='hs-conid'>CondCode</span> <span class='hs-layout'>(</span>
<a name="line-3"></a> <span class='hs-varid'>getCondCode</span><span class='hs-layout'>,</span>
<a name="line-4"></a> <span class='hs-varid'>condIntCode</span><span class='hs-layout'>,</span>
<a name="line-5"></a> <span class='hs-varid'>condFltCode</span>
<a name="line-6"></a><span class='hs-layout'>)</span>
<a name="line-7"></a>
<a name="line-8"></a><span class='hs-keyword'>where</span>
<a name="line-9"></a>
<a name="line-10"></a><span class='hs-keyword'>import</span> <span class='hs-comment'>{-# SOURCE #-}</span> <span class='hs-conid'>SPARC</span><span class='hs-varop'>.</span><span class='hs-conid'>CodeGen</span><span class='hs-varop'>.</span><span class='hs-conid'>Gen32</span>
<a name="line-11"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>SPARC</span><span class='hs-varop'>.</span><span class='hs-conid'>CodeGen</span><span class='hs-varop'>.</span><span class='hs-conid'>Base</span>
<a name="line-12"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>SPARC</span><span class='hs-varop'>.</span><span class='hs-conid'>Instr</span>
<a name="line-13"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>SPARC</span><span class='hs-varop'>.</span><span class='hs-conid'>Regs</span>
<a name="line-14"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>SPARC</span><span class='hs-varop'>.</span><span class='hs-conid'>Cond</span>
<a name="line-15"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>SPARC</span><span class='hs-varop'>.</span><span class='hs-conid'>Imm</span>
<a name="line-16"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>SPARC</span><span class='hs-varop'>.</span><span class='hs-conid'>Base</span>
<a name="line-17"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>NCGMonad</span>
<a name="line-18"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Size</span>
<a name="line-19"></a>
<a name="line-20"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Cmm</span>
<a name="line-21"></a>
<a name="line-22"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>OrdList</span>
<a name="line-23"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Outputable</span>
<a name="line-24"></a>
<a name="line-25"></a>
<a name="line-26"></a><a name="getCondCode"></a><span class='hs-definition'>getCondCode</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>CmmExpr</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>NatM</span> <span class='hs-conid'>CondCode</span>
<a name="line-27"></a><span class='hs-definition'>getCondCode</span> <span class='hs-layout'>(</span><span class='hs-conid'>CmmMachOp</span> <span class='hs-varid'>mop</span> <span class='hs-keyglyph'>[</span><span class='hs-varid'>x</span><span class='hs-layout'>,</span> <span class='hs-varid'>y</span><span class='hs-keyglyph'>]</span><span class='hs-layout'>)</span>
<a name="line-28"></a> <span class='hs-keyglyph'>=</span>
<a name="line-29"></a> <span class='hs-keyword'>case</span> <span class='hs-varid'>mop</span> <span class='hs-keyword'>of</span>
<a name="line-30"></a> <span class='hs-conid'>MO_F_Eq</span> <span class='hs-conid'>W32</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>condFltCode</span> <span class='hs-conid'>EQQ</span> <span class='hs-varid'>x</span> <span class='hs-varid'>y</span>
<a name="line-31"></a> <span class='hs-conid'>MO_F_Ne</span> <span class='hs-conid'>W32</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>condFltCode</span> <span class='hs-conid'>NE</span> <span class='hs-varid'>x</span> <span class='hs-varid'>y</span>
<a name="line-32"></a> <span class='hs-conid'>MO_F_Gt</span> <span class='hs-conid'>W32</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>condFltCode</span> <span class='hs-conid'>GTT</span> <span class='hs-varid'>x</span> <span class='hs-varid'>y</span>
<a name="line-33"></a> <span class='hs-conid'>MO_F_Ge</span> <span class='hs-conid'>W32</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>condFltCode</span> <span class='hs-conid'>GE</span> <span class='hs-varid'>x</span> <span class='hs-varid'>y</span>
<a name="line-34"></a> <span class='hs-conid'>MO_F_Lt</span> <span class='hs-conid'>W32</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>condFltCode</span> <span class='hs-conid'>LTT</span> <span class='hs-varid'>x</span> <span class='hs-varid'>y</span>
<a name="line-35"></a> <span class='hs-conid'>MO_F_Le</span> <span class='hs-conid'>W32</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>condFltCode</span> <span class='hs-conid'>LE</span> <span class='hs-varid'>x</span> <span class='hs-varid'>y</span>
<a name="line-36"></a>
<a name="line-37"></a> <span class='hs-conid'>MO_F_Eq</span> <span class='hs-conid'>W64</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>condFltCode</span> <span class='hs-conid'>EQQ</span> <span class='hs-varid'>x</span> <span class='hs-varid'>y</span>
<a name="line-38"></a> <span class='hs-conid'>MO_F_Ne</span> <span class='hs-conid'>W64</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>condFltCode</span> <span class='hs-conid'>NE</span> <span class='hs-varid'>x</span> <span class='hs-varid'>y</span>
<a name="line-39"></a> <span class='hs-conid'>MO_F_Gt</span> <span class='hs-conid'>W64</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>condFltCode</span> <span class='hs-conid'>GTT</span> <span class='hs-varid'>x</span> <span class='hs-varid'>y</span>
<a name="line-40"></a> <span class='hs-conid'>MO_F_Ge</span> <span class='hs-conid'>W64</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>condFltCode</span> <span class='hs-conid'>GE</span> <span class='hs-varid'>x</span> <span class='hs-varid'>y</span>
<a name="line-41"></a> <span class='hs-conid'>MO_F_Lt</span> <span class='hs-conid'>W64</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>condFltCode</span> <span class='hs-conid'>LTT</span> <span class='hs-varid'>x</span> <span class='hs-varid'>y</span>
<a name="line-42"></a> <span class='hs-conid'>MO_F_Le</span> <span class='hs-conid'>W64</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>condFltCode</span> <span class='hs-conid'>LE</span> <span class='hs-varid'>x</span> <span class='hs-varid'>y</span>
<a name="line-43"></a>
<a name="line-44"></a> <span class='hs-conid'>MO_Eq</span> <span class='hs-keyword'>_</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>condIntCode</span> <span class='hs-conid'>EQQ</span> <span class='hs-varid'>x</span> <span class='hs-varid'>y</span>
<a name="line-45"></a> <span class='hs-conid'>MO_Ne</span> <span class='hs-keyword'>_</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>condIntCode</span> <span class='hs-conid'>NE</span> <span class='hs-varid'>x</span> <span class='hs-varid'>y</span>
<a name="line-46"></a>
<a name="line-47"></a> <span class='hs-conid'>MO_S_Gt</span> <span class='hs-keyword'>_</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>condIntCode</span> <span class='hs-conid'>GTT</span> <span class='hs-varid'>x</span> <span class='hs-varid'>y</span>
<a name="line-48"></a> <span class='hs-conid'>MO_S_Ge</span> <span class='hs-keyword'>_</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>condIntCode</span> <span class='hs-conid'>GE</span> <span class='hs-varid'>x</span> <span class='hs-varid'>y</span>
<a name="line-49"></a> <span class='hs-conid'>MO_S_Lt</span> <span class='hs-keyword'>_</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>condIntCode</span> <span class='hs-conid'>LTT</span> <span class='hs-varid'>x</span> <span class='hs-varid'>y</span>
<a name="line-50"></a> <span class='hs-conid'>MO_S_Le</span> <span class='hs-keyword'>_</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>condIntCode</span> <span class='hs-conid'>LE</span> <span class='hs-varid'>x</span> <span class='hs-varid'>y</span>
<a name="line-51"></a>
<a name="line-52"></a> <span class='hs-conid'>MO_U_Gt</span> <span class='hs-keyword'>_</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>condIntCode</span> <span class='hs-conid'>GU</span> <span class='hs-varid'>x</span> <span class='hs-varid'>y</span>
<a name="line-53"></a> <span class='hs-conid'>MO_U_Ge</span> <span class='hs-keyword'>_</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>condIntCode</span> <span class='hs-conid'>GEU</span> <span class='hs-varid'>x</span> <span class='hs-varid'>y</span>
<a name="line-54"></a> <span class='hs-conid'>MO_U_Lt</span> <span class='hs-keyword'>_</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>condIntCode</span> <span class='hs-conid'>LU</span> <span class='hs-varid'>x</span> <span class='hs-varid'>y</span>
<a name="line-55"></a> <span class='hs-conid'>MO_U_Le</span> <span class='hs-keyword'>_</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>condIntCode</span> <span class='hs-conid'>LEU</span> <span class='hs-varid'>x</span> <span class='hs-varid'>y</span>
<a name="line-56"></a>
<a name="line-57"></a> <span class='hs-keyword'>_</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>pprPanic</span> <span class='hs-str'>"SPARC.CodeGen.CondCode.getCondCode"</span> <span class='hs-layout'>(</span><span class='hs-varid'>ppr</span> <span class='hs-layout'>(</span><span class='hs-conid'>CmmMachOp</span> <span class='hs-varid'>mop</span> <span class='hs-keyglyph'>[</span><span class='hs-varid'>x</span><span class='hs-layout'>,</span><span class='hs-varid'>y</span><span class='hs-keyglyph'>]</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span>
<a name="line-58"></a>
<a name="line-59"></a><span class='hs-definition'>getCondCode</span> <span class='hs-varid'>other</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>pprPanic</span> <span class='hs-str'>"SPARC.CodeGen.CondCode.getCondCode"</span> <span class='hs-layout'>(</span><span class='hs-varid'>ppr</span> <span class='hs-varid'>other</span><span class='hs-layout'>)</span>
<a name="line-60"></a>
<a name="line-61"></a>
<a name="line-62"></a>
<a name="line-63"></a>
<a name="line-64"></a>
<a name="line-65"></a><span class='hs-comment'>-- @cond(Int|Flt)Code@: Turn a boolean expression into a condition, to be</span>
<a name="line-66"></a><span class='hs-comment'>-- passed back up the tree.</span>
<a name="line-67"></a>
<a name="line-68"></a><a name="condIntCode"></a><span class='hs-definition'>condIntCode</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Cond</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>CmmExpr</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>CmmExpr</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>NatM</span> <span class='hs-conid'>CondCode</span>
<a name="line-69"></a><span class='hs-definition'>condIntCode</span> <span class='hs-varid'>cond</span> <span class='hs-varid'>x</span> <span class='hs-layout'>(</span><span class='hs-conid'>CmmLit</span> <span class='hs-layout'>(</span><span class='hs-conid'>CmmInt</span> <span class='hs-varid'>y</span> <span class='hs-keyword'>_</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span>
<a name="line-70"></a> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>fits13Bits</span> <span class='hs-varid'>y</span>
<a name="line-71"></a> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span>
<a name="line-72"></a> <span class='hs-layout'>(</span><span class='hs-varid'>src1</span><span class='hs-layout'>,</span> <span class='hs-varid'>code</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>getSomeReg</span> <span class='hs-varid'>x</span>
<a name="line-73"></a> <span class='hs-keyword'>let</span>
<a name="line-74"></a> <span class='hs-varid'>src2</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>ImmInt</span> <span class='hs-layout'>(</span><span class='hs-varid'>fromInteger</span> <span class='hs-varid'>y</span><span class='hs-layout'>)</span>
<a name="line-75"></a> <span class='hs-varid'>code'</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>code</span> <span class='hs-varop'>`snocOL`</span> <span class='hs-conid'>SUB</span> <span class='hs-conid'>False</span> <span class='hs-conid'>True</span> <span class='hs-varid'>src1</span> <span class='hs-layout'>(</span><span class='hs-conid'>RIImm</span> <span class='hs-varid'>src2</span><span class='hs-layout'>)</span> <span class='hs-varid'>g0</span>
<a name="line-76"></a> <span class='hs-varid'>return</span> <span class='hs-layout'>(</span><span class='hs-conid'>CondCode</span> <span class='hs-conid'>False</span> <span class='hs-varid'>cond</span> <span class='hs-varid'>code'</span><span class='hs-layout'>)</span>
<a name="line-77"></a>
<a name="line-78"></a><span class='hs-definition'>condIntCode</span> <span class='hs-varid'>cond</span> <span class='hs-varid'>x</span> <span class='hs-varid'>y</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span>
<a name="line-79"></a> <span class='hs-layout'>(</span><span class='hs-varid'>src1</span><span class='hs-layout'>,</span> <span class='hs-varid'>code1</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>getSomeReg</span> <span class='hs-varid'>x</span>
<a name="line-80"></a> <span class='hs-layout'>(</span><span class='hs-varid'>src2</span><span class='hs-layout'>,</span> <span class='hs-varid'>code2</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>getSomeReg</span> <span class='hs-varid'>y</span>
<a name="line-81"></a> <span class='hs-keyword'>let</span>
<a name="line-82"></a> <span class='hs-varid'>code__2</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>code1</span> <span class='hs-varop'>`appOL`</span> <span class='hs-varid'>code2</span> <span class='hs-varop'>`snocOL`</span>
<a name="line-83"></a> <span class='hs-conid'>SUB</span> <span class='hs-conid'>False</span> <span class='hs-conid'>True</span> <span class='hs-varid'>src1</span> <span class='hs-layout'>(</span><span class='hs-conid'>RIReg</span> <span class='hs-varid'>src2</span><span class='hs-layout'>)</span> <span class='hs-varid'>g0</span>
<a name="line-84"></a> <span class='hs-varid'>return</span> <span class='hs-layout'>(</span><span class='hs-conid'>CondCode</span> <span class='hs-conid'>False</span> <span class='hs-varid'>cond</span> <span class='hs-varid'>code__2</span><span class='hs-layout'>)</span>
<a name="line-85"></a>
<a name="line-86"></a>
<a name="line-87"></a><a name="condFltCode"></a><span class='hs-definition'>condFltCode</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Cond</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>CmmExpr</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>CmmExpr</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>NatM</span> <span class='hs-conid'>CondCode</span>
<a name="line-88"></a><span class='hs-definition'>condFltCode</span> <span class='hs-varid'>cond</span> <span class='hs-varid'>x</span> <span class='hs-varid'>y</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span>
<a name="line-89"></a> <span class='hs-layout'>(</span><span class='hs-varid'>src1</span><span class='hs-layout'>,</span> <span class='hs-varid'>code1</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>getSomeReg</span> <span class='hs-varid'>x</span>
<a name="line-90"></a> <span class='hs-layout'>(</span><span class='hs-varid'>src2</span><span class='hs-layout'>,</span> <span class='hs-varid'>code2</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>getSomeReg</span> <span class='hs-varid'>y</span>
<a name="line-91"></a> <span class='hs-varid'>tmp</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>getNewRegNat</span> <span class='hs-conid'>FF64</span>
<a name="line-92"></a> <span class='hs-keyword'>let</span>
<a name="line-93"></a> <span class='hs-varid'>promote</span> <span class='hs-varid'>x</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>FxTOy</span> <span class='hs-conid'>FF32</span> <span class='hs-conid'>FF64</span> <span class='hs-varid'>x</span> <span class='hs-varid'>tmp</span>
<a name="line-94"></a>
<a name="line-95"></a> <span class='hs-varid'>pk1</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>cmmExprType</span> <span class='hs-varid'>x</span>
<a name="line-96"></a> <span class='hs-varid'>pk2</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>cmmExprType</span> <span class='hs-varid'>y</span>
<a name="line-97"></a>
<a name="line-98"></a> <span class='hs-varid'>code__2</span> <span class='hs-keyglyph'>=</span>
<a name="line-99"></a> <span class='hs-keyword'>if</span> <span class='hs-varid'>pk1</span> <span class='hs-varop'>`cmmEqType`</span> <span class='hs-varid'>pk2</span> <span class='hs-keyword'>then</span>
<a name="line-100"></a> <span class='hs-varid'>code1</span> <span class='hs-varop'>`appOL`</span> <span class='hs-varid'>code2</span> <span class='hs-varop'>`snocOL`</span>
<a name="line-101"></a> <span class='hs-conid'>FCMP</span> <span class='hs-conid'>True</span> <span class='hs-layout'>(</span><span class='hs-varid'>cmmTypeSize</span> <span class='hs-varid'>pk1</span><span class='hs-layout'>)</span> <span class='hs-varid'>src1</span> <span class='hs-varid'>src2</span>
<a name="line-102"></a> <span class='hs-keyword'>else</span> <span class='hs-keyword'>if</span> <span class='hs-varid'>typeWidth</span> <span class='hs-varid'>pk1</span> <span class='hs-varop'>==</span> <span class='hs-conid'>W32</span> <span class='hs-keyword'>then</span>
<a name="line-103"></a> <span class='hs-varid'>code1</span> <span class='hs-varop'>`snocOL`</span> <span class='hs-varid'>promote</span> <span class='hs-varid'>src1</span> <span class='hs-varop'>`appOL`</span> <span class='hs-varid'>code2</span> <span class='hs-varop'>`snocOL`</span>
<a name="line-104"></a> <span class='hs-conid'>FCMP</span> <span class='hs-conid'>True</span> <span class='hs-conid'>FF64</span> <span class='hs-varid'>tmp</span> <span class='hs-varid'>src2</span>
<a name="line-105"></a> <span class='hs-keyword'>else</span>
<a name="line-106"></a> <span class='hs-varid'>code1</span> <span class='hs-varop'>`appOL`</span> <span class='hs-varid'>code2</span> <span class='hs-varop'>`snocOL`</span> <span class='hs-varid'>promote</span> <span class='hs-varid'>src2</span> <span class='hs-varop'>`snocOL`</span>
<a name="line-107"></a> <span class='hs-conid'>FCMP</span> <span class='hs-conid'>True</span> <span class='hs-conid'>FF64</span> <span class='hs-varid'>src1</span> <span class='hs-varid'>tmp</span>
<a name="line-108"></a> <span class='hs-varid'>return</span> <span class='hs-layout'>(</span><span class='hs-conid'>CondCode</span> <span class='hs-conid'>True</span> <span class='hs-varid'>cond</span> <span class='hs-varid'>code__2</span><span class='hs-layout'>)</span>
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