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<pre><a name="line-1"></a>
<a name="line-2"></a><span class='hs-comment'>-- | Evaluation of 64 bit values on 32 bit platforms.</span>
<a name="line-3"></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'>Gen64</span> <span class='hs-layout'>(</span>
<a name="line-4"></a> <span class='hs-varid'>assignMem_I64Code</span><span class='hs-layout'>,</span>
<a name="line-5"></a> <span class='hs-varid'>assignReg_I64Code</span><span class='hs-layout'>,</span>
<a name="line-6"></a> <span class='hs-varid'>iselExpr64</span>
<a name="line-7"></a><span class='hs-layout'>)</span>
<a name="line-8"></a>
<a name="line-9"></a><span class='hs-keyword'>where</span>
<a name="line-10"></a>
<a name="line-11"></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-12"></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-13"></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'>Amode</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'>Regs</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'>AddrMode</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'>Imm</span>
<a name="line-17"></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-18"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>SPARC</span><span class='hs-varop'>.</span><span class='hs-conid'>Ppr</span><span class='hs-conid'>()</span>
<a name="line-19"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>NCGMonad</span>
<a name="line-20"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Instruction</span>
<a name="line-21"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Size</span>
<a name="line-22"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Reg</span>
<a name="line-23"></a>
<a name="line-24"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Cmm</span>
<a name="line-25"></a>
<a name="line-26"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>OrdList</span>
<a name="line-27"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Outputable</span>
<a name="line-28"></a>
<a name="line-29"></a><a name="assignMem_I64Code"></a><span class='hs-comment'>-- | Code to assign a 64 bit value to memory.</span>
<a name="line-30"></a><span class='hs-definition'>assignMem_I64Code</span>
<a name="line-31"></a> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>CmmExpr</span> <span class='hs-comment'>-- ^ expr producing the desination address</span>
<a name="line-32"></a> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>CmmExpr</span> <span class='hs-comment'>-- ^ expr producing the source value.</span>
<a name="line-33"></a> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>NatM</span> <span class='hs-conid'>InstrBlock</span>
<a name="line-34"></a>
<a name="line-35"></a><span class='hs-definition'>assignMem_I64Code</span> <span class='hs-varid'>addrTree</span> <span class='hs-varid'>valueTree</span>
<a name="line-36"></a> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span>
<a name="line-37"></a> <span class='hs-conid'>ChildCode64</span> <span class='hs-varid'>vcode</span> <span class='hs-varid'>rlo</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>iselExpr64</span> <span class='hs-varid'>valueTree</span>
<a name="line-38"></a>
<a name="line-39"></a> <span class='hs-layout'>(</span><span class='hs-varid'>src</span><span class='hs-layout'>,</span> <span class='hs-varid'>acode</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>getSomeReg</span> <span class='hs-varid'>addrTree</span>
<a name="line-40"></a> <span class='hs-keyword'>let</span>
<a name="line-41"></a> <span class='hs-varid'>rhi</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>getHiVRegFromLo</span> <span class='hs-varid'>rlo</span>
<a name="line-42"></a>
<a name="line-43"></a> <span class='hs-comment'>-- Big-endian store</span>
<a name="line-44"></a> <span class='hs-varid'>mov_hi</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>ST</span> <span class='hs-conid'>II32</span> <span class='hs-varid'>rhi</span> <span class='hs-layout'>(</span><span class='hs-conid'>AddrRegImm</span> <span class='hs-varid'>src</span> <span class='hs-layout'>(</span><span class='hs-conid'>ImmInt</span> <span class='hs-num'>0</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span>
<a name="line-45"></a> <span class='hs-varid'>mov_lo</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>ST</span> <span class='hs-conid'>II32</span> <span class='hs-varid'>rlo</span> <span class='hs-layout'>(</span><span class='hs-conid'>AddrRegImm</span> <span class='hs-varid'>src</span> <span class='hs-layout'>(</span><span class='hs-conid'>ImmInt</span> <span class='hs-num'>4</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span>
<a name="line-46"></a>
<a name="line-47"></a> <span class='hs-varid'>code</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>vcode</span> <span class='hs-varop'>`appOL`</span> <span class='hs-varid'>acode</span> <span class='hs-varop'>`snocOL`</span> <span class='hs-varid'>mov_hi</span> <span class='hs-varop'>`snocOL`</span> <span class='hs-varid'>mov_lo</span>
<a name="line-48"></a>
<a name="line-49"></a><span class='hs-comment'>{- pprTrace "assignMem_I64Code"
<a name="line-50"></a> (vcat [ text "addrTree: " <+> ppr addrTree
<a name="line-51"></a> , text "valueTree: " <+> ppr valueTree
<a name="line-52"></a> , text "vcode:"
<a name="line-53"></a> , vcat $ map ppr $ fromOL vcode
<a name="line-54"></a> , text ""
<a name="line-55"></a> , text "acode:"
<a name="line-56"></a> , vcat $ map ppr $ fromOL acode ])
<a name="line-57"></a> $ -}</span>
<a name="line-58"></a> <span class='hs-varid'>return</span> <span class='hs-varid'>code</span>
<a name="line-59"></a>
<a name="line-60"></a>
<a name="line-61"></a><a name="assignReg_I64Code"></a><span class='hs-comment'>-- | Code to assign a 64 bit value to a register.</span>
<a name="line-62"></a><span class='hs-definition'>assignReg_I64Code</span>
<a name="line-63"></a> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>CmmReg</span> <span class='hs-comment'>-- ^ the destination register</span>
<a name="line-64"></a> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>CmmExpr</span> <span class='hs-comment'>-- ^ expr producing the source value</span>
<a name="line-65"></a> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>NatM</span> <span class='hs-conid'>InstrBlock</span>
<a name="line-66"></a>
<a name="line-67"></a><span class='hs-definition'>assignReg_I64Code</span> <span class='hs-layout'>(</span><span class='hs-conid'>CmmLocal</span> <span class='hs-layout'>(</span><span class='hs-conid'>LocalReg</span> <span class='hs-varid'>u_dst</span> <span class='hs-varid'>pk</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span> <span class='hs-varid'>valueTree</span>
<a name="line-68"></a> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span>
<a name="line-69"></a> <span class='hs-conid'>ChildCode64</span> <span class='hs-varid'>vcode</span> <span class='hs-varid'>r_src_lo</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>iselExpr64</span> <span class='hs-varid'>valueTree</span>
<a name="line-70"></a> <span class='hs-keyword'>let</span>
<a name="line-71"></a> <span class='hs-varid'>r_dst_lo</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>RegVirtual</span> <span class='hs-varop'>$</span> <span class='hs-varid'>mkVirtualReg</span> <span class='hs-varid'>u_dst</span> <span class='hs-layout'>(</span><span class='hs-varid'>cmmTypeSize</span> <span class='hs-varid'>pk</span><span class='hs-layout'>)</span>
<a name="line-72"></a> <span class='hs-varid'>r_dst_hi</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>getHiVRegFromLo</span> <span class='hs-varid'>r_dst_lo</span>
<a name="line-73"></a> <span class='hs-varid'>r_src_hi</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>getHiVRegFromLo</span> <span class='hs-varid'>r_src_lo</span>
<a name="line-74"></a> <span class='hs-varid'>mov_lo</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>mkMOV</span> <span class='hs-varid'>r_src_lo</span> <span class='hs-varid'>r_dst_lo</span>
<a name="line-75"></a> <span class='hs-varid'>mov_hi</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>mkMOV</span> <span class='hs-varid'>r_src_hi</span> <span class='hs-varid'>r_dst_hi</span>
<a name="line-76"></a> <span class='hs-varid'>mkMOV</span> <span class='hs-varid'>sreg</span> <span class='hs-varid'>dreg</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>OR</span> <span class='hs-conid'>False</span> <span class='hs-varid'>g0</span> <span class='hs-layout'>(</span><span class='hs-conid'>RIReg</span> <span class='hs-varid'>sreg</span><span class='hs-layout'>)</span> <span class='hs-varid'>dreg</span>
<a name="line-77"></a>
<a name="line-78"></a> <span class='hs-varid'>return</span> <span class='hs-layout'>(</span><span class='hs-varid'>vcode</span> <span class='hs-varop'>`snocOL`</span> <span class='hs-varid'>mov_hi</span> <span class='hs-varop'>`snocOL`</span> <span class='hs-varid'>mov_lo</span><span class='hs-layout'>)</span>
<a name="line-79"></a>
<a name="line-80"></a><span class='hs-definition'>assignReg_I64Code</span> <span class='hs-keyword'>_</span> <span class='hs-keyword'>_</span>
<a name="line-81"></a> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>panic</span> <span class='hs-str'>"assignReg_I64Code(sparc): invalid lvalue"</span>
<a name="line-82"></a>
<a name="line-83"></a>
<a name="line-84"></a>
<a name="line-85"></a>
<a name="line-86"></a><span class='hs-comment'>-- | Get the value of an expression into a 64 bit register.</span>
<a name="line-87"></a>
<a name="line-88"></a><a name="iselExpr64"></a><span class='hs-definition'>iselExpr64</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'>ChildCode64</span>
<a name="line-89"></a>
<a name="line-90"></a><span class='hs-comment'>-- Load a 64 bit word</span>
<a name="line-91"></a><span class='hs-definition'>iselExpr64</span> <span class='hs-layout'>(</span><span class='hs-conid'>CmmLoad</span> <span class='hs-varid'>addrTree</span> <span class='hs-varid'>ty</span><span class='hs-layout'>)</span>
<a name="line-92"></a> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>isWord64</span> <span class='hs-varid'>ty</span>
<a name="line-93"></a> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span> <span class='hs-conid'>Amode</span> <span class='hs-varid'>amode</span> <span class='hs-varid'>addr_code</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>getAmode</span> <span class='hs-varid'>addrTree</span>
<a name="line-94"></a> <span class='hs-keyword'>let</span> <span class='hs-varid'>result</span>
<a name="line-95"></a>
<a name="line-96"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>AddrRegReg</span> <span class='hs-varid'>r1</span> <span class='hs-varid'>r2</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>amode</span>
<a name="line-97"></a> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span> <span class='hs-varid'>rlo</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>getNewRegNat</span> <span class='hs-conid'>II32</span>
<a name="line-98"></a> <span class='hs-varid'>tmp</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>getNewRegNat</span> <span class='hs-conid'>II32</span>
<a name="line-99"></a> <span class='hs-keyword'>let</span> <span class='hs-varid'>rhi</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>getHiVRegFromLo</span> <span class='hs-varid'>rlo</span>
<a name="line-100"></a>
<a name="line-101"></a> <span class='hs-varid'>return</span> <span class='hs-varop'>$</span> <span class='hs-conid'>ChildCode64</span>
<a name="line-102"></a> <span class='hs-layout'>(</span> <span class='hs-varid'>addr_code</span>
<a name="line-103"></a> <span class='hs-varop'>`appOL`</span> <span class='hs-varid'>toOL</span>
<a name="line-104"></a> <span class='hs-keyglyph'>[</span> <span class='hs-conid'>ADD</span> <span class='hs-conid'>False</span> <span class='hs-conid'>False</span> <span class='hs-varid'>r1</span> <span class='hs-layout'>(</span><span class='hs-conid'>RIReg</span> <span class='hs-varid'>r2</span><span class='hs-layout'>)</span> <span class='hs-varid'>tmp</span>
<a name="line-105"></a> <span class='hs-layout'>,</span> <span class='hs-conid'>LD</span> <span class='hs-conid'>II32</span> <span class='hs-layout'>(</span><span class='hs-conid'>AddrRegImm</span> <span class='hs-varid'>tmp</span> <span class='hs-layout'>(</span><span class='hs-conid'>ImmInt</span> <span class='hs-num'>0</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span> <span class='hs-varid'>rhi</span>
<a name="line-106"></a> <span class='hs-layout'>,</span> <span class='hs-conid'>LD</span> <span class='hs-conid'>II32</span> <span class='hs-layout'>(</span><span class='hs-conid'>AddrRegImm</span> <span class='hs-varid'>tmp</span> <span class='hs-layout'>(</span><span class='hs-conid'>ImmInt</span> <span class='hs-num'>4</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span> <span class='hs-varid'>rlo</span> <span class='hs-keyglyph'>]</span><span class='hs-layout'>)</span>
<a name="line-107"></a> <span class='hs-varid'>rlo</span>
<a name="line-108"></a>
<a name="line-109"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>AddrRegImm</span> <span class='hs-varid'>r1</span> <span class='hs-layout'>(</span><span class='hs-conid'>ImmInt</span> <span class='hs-varid'>i</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>amode</span>
<a name="line-110"></a> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span> <span class='hs-varid'>rlo</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>getNewRegNat</span> <span class='hs-conid'>II32</span>
<a name="line-111"></a> <span class='hs-keyword'>let</span> <span class='hs-varid'>rhi</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>getHiVRegFromLo</span> <span class='hs-varid'>rlo</span>
<a name="line-112"></a>
<a name="line-113"></a> <span class='hs-varid'>return</span> <span class='hs-varop'>$</span> <span class='hs-conid'>ChildCode64</span>
<a name="line-114"></a> <span class='hs-layout'>(</span> <span class='hs-varid'>addr_code</span>
<a name="line-115"></a> <span class='hs-varop'>`appOL`</span> <span class='hs-varid'>toOL</span>
<a name="line-116"></a> <span class='hs-keyglyph'>[</span> <span class='hs-conid'>LD</span> <span class='hs-conid'>II32</span> <span class='hs-layout'>(</span><span class='hs-conid'>AddrRegImm</span> <span class='hs-varid'>r1</span> <span class='hs-layout'>(</span><span class='hs-conid'>ImmInt</span> <span class='hs-varop'>$</span> <span class='hs-num'>0</span> <span class='hs-varop'>+</span> <span class='hs-varid'>i</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span> <span class='hs-varid'>rhi</span>
<a name="line-117"></a> <span class='hs-layout'>,</span> <span class='hs-conid'>LD</span> <span class='hs-conid'>II32</span> <span class='hs-layout'>(</span><span class='hs-conid'>AddrRegImm</span> <span class='hs-varid'>r1</span> <span class='hs-layout'>(</span><span class='hs-conid'>ImmInt</span> <span class='hs-varop'>$</span> <span class='hs-num'>4</span> <span class='hs-varop'>+</span> <span class='hs-varid'>i</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span> <span class='hs-varid'>rlo</span> <span class='hs-keyglyph'>]</span><span class='hs-layout'>)</span>
<a name="line-118"></a> <span class='hs-varid'>rlo</span>
<a name="line-119"></a>
<a name="line-120"></a> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>otherwise</span>
<a name="line-121"></a> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>panic</span> <span class='hs-str'>"SPARC.CodeGen.Gen64: no match"</span>
<a name="line-122"></a>
<a name="line-123"></a> <span class='hs-varid'>result</span>
<a name="line-124"></a>
<a name="line-125"></a>
<a name="line-126"></a><span class='hs-comment'>-- Add a literal to a 64 bit integer</span>
<a name="line-127"></a><span class='hs-definition'>iselExpr64</span> <span class='hs-layout'>(</span><span class='hs-conid'>CmmMachOp</span> <span class='hs-layout'>(</span><span class='hs-conid'>MO_Add</span> <span class='hs-keyword'>_</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>[</span><span class='hs-varid'>e1</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'>i</span> <span class='hs-keyword'>_</span><span class='hs-layout'>)</span><span class='hs-keyglyph'>]</span><span class='hs-layout'>)</span>
<a name="line-128"></a> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span> <span class='hs-conid'>ChildCode64</span> <span class='hs-varid'>code1</span> <span class='hs-varid'>r1_lo</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>iselExpr64</span> <span class='hs-varid'>e1</span>
<a name="line-129"></a> <span class='hs-keyword'>let</span> <span class='hs-varid'>r1_hi</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>getHiVRegFromLo</span> <span class='hs-varid'>r1_lo</span>
<a name="line-130"></a>
<a name="line-131"></a> <span class='hs-varid'>r_dst_lo</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>getNewRegNat</span> <span class='hs-conid'>II32</span>
<a name="line-132"></a> <span class='hs-keyword'>let</span> <span class='hs-varid'>r_dst_hi</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>getHiVRegFromLo</span> <span class='hs-varid'>r_dst_lo</span>
<a name="line-133"></a>
<a name="line-134"></a> <span class='hs-keyword'>let</span> <span class='hs-varid'>code</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>code1</span>
<a name="line-135"></a> <span class='hs-varop'>`appOL`</span> <span class='hs-varid'>toOL</span>
<a name="line-136"></a> <span class='hs-keyglyph'>[</span> <span class='hs-conid'>ADD</span> <span class='hs-conid'>False</span> <span class='hs-conid'>True</span> <span class='hs-varid'>r1_lo</span> <span class='hs-layout'>(</span><span class='hs-conid'>RIImm</span> <span class='hs-layout'>(</span><span class='hs-conid'>ImmInteger</span> <span class='hs-varid'>i</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span> <span class='hs-varid'>r_dst_lo</span>
<a name="line-137"></a> <span class='hs-layout'>,</span> <span class='hs-conid'>ADD</span> <span class='hs-conid'>True</span> <span class='hs-conid'>False</span> <span class='hs-varid'>r1_hi</span> <span class='hs-layout'>(</span><span class='hs-conid'>RIReg</span> <span class='hs-varid'>g0</span><span class='hs-layout'>)</span> <span class='hs-varid'>r_dst_hi</span> <span class='hs-keyglyph'>]</span>
<a name="line-138"></a>
<a name="line-139"></a> <span class='hs-varid'>return</span> <span class='hs-varop'>$</span> <span class='hs-conid'>ChildCode64</span> <span class='hs-varid'>code</span> <span class='hs-varid'>r_dst_lo</span>
<a name="line-140"></a>
<a name="line-141"></a>
<a name="line-142"></a><span class='hs-comment'>-- Addition of II64</span>
<a name="line-143"></a><span class='hs-definition'>iselExpr64</span> <span class='hs-layout'>(</span><span class='hs-conid'>CmmMachOp</span> <span class='hs-layout'>(</span><span class='hs-conid'>MO_Add</span> <span class='hs-keyword'>_</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>[</span><span class='hs-varid'>e1</span><span class='hs-layout'>,</span> <span class='hs-varid'>e2</span><span class='hs-keyglyph'>]</span><span class='hs-layout'>)</span>
<a name="line-144"></a> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span> <span class='hs-conid'>ChildCode64</span> <span class='hs-varid'>code1</span> <span class='hs-varid'>r1_lo</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>iselExpr64</span> <span class='hs-varid'>e1</span>
<a name="line-145"></a> <span class='hs-keyword'>let</span> <span class='hs-varid'>r1_hi</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>getHiVRegFromLo</span> <span class='hs-varid'>r1_lo</span>
<a name="line-146"></a>
<a name="line-147"></a> <span class='hs-conid'>ChildCode64</span> <span class='hs-varid'>code2</span> <span class='hs-varid'>r2_lo</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>iselExpr64</span> <span class='hs-varid'>e2</span>
<a name="line-148"></a> <span class='hs-keyword'>let</span> <span class='hs-varid'>r2_hi</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>getHiVRegFromLo</span> <span class='hs-varid'>r2_lo</span>
<a name="line-149"></a>
<a name="line-150"></a> <span class='hs-varid'>r_dst_lo</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>getNewRegNat</span> <span class='hs-conid'>II32</span>
<a name="line-151"></a> <span class='hs-keyword'>let</span> <span class='hs-varid'>r_dst_hi</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>getHiVRegFromLo</span> <span class='hs-varid'>r_dst_lo</span>
<a name="line-152"></a>
<a name="line-153"></a> <span class='hs-keyword'>let</span> <span class='hs-varid'>code</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>code1</span>
<a name="line-154"></a> <span class='hs-varop'>`appOL`</span> <span class='hs-varid'>code2</span>
<a name="line-155"></a> <span class='hs-varop'>`appOL`</span> <span class='hs-varid'>toOL</span>
<a name="line-156"></a> <span class='hs-keyglyph'>[</span> <span class='hs-conid'>ADD</span> <span class='hs-conid'>False</span> <span class='hs-conid'>True</span> <span class='hs-varid'>r1_lo</span> <span class='hs-layout'>(</span><span class='hs-conid'>RIReg</span> <span class='hs-varid'>r2_lo</span><span class='hs-layout'>)</span> <span class='hs-varid'>r_dst_lo</span>
<a name="line-157"></a> <span class='hs-layout'>,</span> <span class='hs-conid'>ADD</span> <span class='hs-conid'>True</span> <span class='hs-conid'>False</span> <span class='hs-varid'>r1_hi</span> <span class='hs-layout'>(</span><span class='hs-conid'>RIReg</span> <span class='hs-varid'>r2_hi</span><span class='hs-layout'>)</span> <span class='hs-varid'>r_dst_hi</span> <span class='hs-keyglyph'>]</span>
<a name="line-158"></a>
<a name="line-159"></a> <span class='hs-varid'>return</span> <span class='hs-varop'>$</span> <span class='hs-conid'>ChildCode64</span> <span class='hs-varid'>code</span> <span class='hs-varid'>r_dst_lo</span>
<a name="line-160"></a>
<a name="line-161"></a>
<a name="line-162"></a><span class='hs-definition'>iselExpr64</span> <span class='hs-layout'>(</span><span class='hs-conid'>CmmReg</span> <span class='hs-layout'>(</span><span class='hs-conid'>CmmLocal</span> <span class='hs-layout'>(</span><span class='hs-conid'>LocalReg</span> <span class='hs-varid'>uq</span> <span class='hs-varid'>ty</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span>
<a name="line-163"></a> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>isWord64</span> <span class='hs-varid'>ty</span>
<a name="line-164"></a> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span>
<a name="line-165"></a> <span class='hs-varid'>r_dst_lo</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>getNewRegNat</span> <span class='hs-conid'>II32</span>
<a name="line-166"></a> <span class='hs-keyword'>let</span> <span class='hs-varid'>r_dst_hi</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>getHiVRegFromLo</span> <span class='hs-varid'>r_dst_lo</span>
<a name="line-167"></a> <span class='hs-varid'>r_src_lo</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>RegVirtual</span> <span class='hs-varop'>$</span> <span class='hs-varid'>mkVirtualReg</span> <span class='hs-varid'>uq</span> <span class='hs-conid'>II32</span>
<a name="line-168"></a> <span class='hs-varid'>r_src_hi</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>getHiVRegFromLo</span> <span class='hs-varid'>r_src_lo</span>
<a name="line-169"></a> <span class='hs-varid'>mov_lo</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>mkMOV</span> <span class='hs-varid'>r_src_lo</span> <span class='hs-varid'>r_dst_lo</span>
<a name="line-170"></a> <span class='hs-varid'>mov_hi</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>mkMOV</span> <span class='hs-varid'>r_src_hi</span> <span class='hs-varid'>r_dst_hi</span>
<a name="line-171"></a> <span class='hs-varid'>mkMOV</span> <span class='hs-varid'>sreg</span> <span class='hs-varid'>dreg</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>OR</span> <span class='hs-conid'>False</span> <span class='hs-varid'>g0</span> <span class='hs-layout'>(</span><span class='hs-conid'>RIReg</span> <span class='hs-varid'>sreg</span><span class='hs-layout'>)</span> <span class='hs-varid'>dreg</span>
<a name="line-172"></a> <span class='hs-varid'>return</span> <span class='hs-layout'>(</span>
<a name="line-173"></a> <span class='hs-conid'>ChildCode64</span> <span class='hs-layout'>(</span><span class='hs-varid'>toOL</span> <span class='hs-keyglyph'>[</span><span class='hs-varid'>mov_hi</span><span class='hs-layout'>,</span> <span class='hs-varid'>mov_lo</span><span class='hs-keyglyph'>]</span><span class='hs-layout'>)</span> <span class='hs-varid'>r_dst_lo</span>
<a name="line-174"></a> <span class='hs-layout'>)</span>
<a name="line-175"></a>
<a name="line-176"></a><span class='hs-comment'>-- Convert something into II64</span>
<a name="line-177"></a><span class='hs-definition'>iselExpr64</span> <span class='hs-layout'>(</span><span class='hs-conid'>CmmMachOp</span> <span class='hs-layout'>(</span><span class='hs-conid'>MO_UU_Conv</span> <span class='hs-keyword'>_</span> <span class='hs-conid'>W64</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>[</span><span class='hs-varid'>expr</span><span class='hs-keyglyph'>]</span><span class='hs-layout'>)</span>
<a name="line-178"></a> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span>
<a name="line-179"></a> <span class='hs-varid'>r_dst_lo</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>getNewRegNat</span> <span class='hs-conid'>II32</span>
<a name="line-180"></a> <span class='hs-keyword'>let</span> <span class='hs-varid'>r_dst_hi</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>getHiVRegFromLo</span> <span class='hs-varid'>r_dst_lo</span>
<a name="line-181"></a>
<a name="line-182"></a> <span class='hs-comment'>-- compute expr and load it into r_dst_lo</span>
<a name="line-183"></a> <span class='hs-layout'>(</span><span class='hs-varid'>a_reg</span><span class='hs-layout'>,</span> <span class='hs-varid'>a_code</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>getSomeReg</span> <span class='hs-varid'>expr</span>
<a name="line-184"></a>
<a name="line-185"></a> <span class='hs-keyword'>let</span> <span class='hs-varid'>code</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>a_code</span>
<a name="line-186"></a> <span class='hs-varop'>`appOL`</span> <span class='hs-varid'>toOL</span>
<a name="line-187"></a> <span class='hs-keyglyph'>[</span> <span class='hs-varid'>mkRegRegMoveInstr</span> <span class='hs-varid'>g0</span> <span class='hs-varid'>r_dst_hi</span> <span class='hs-comment'>-- clear high 32 bits</span>
<a name="line-188"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>mkRegRegMoveInstr</span> <span class='hs-varid'>a_reg</span> <span class='hs-varid'>r_dst_lo</span> <span class='hs-keyglyph'>]</span>
<a name="line-189"></a>
<a name="line-190"></a> <span class='hs-varid'>return</span> <span class='hs-varop'>$</span> <span class='hs-conid'>ChildCode64</span> <span class='hs-varid'>code</span> <span class='hs-varid'>r_dst_lo</span>
<a name="line-191"></a>
<a name="line-192"></a>
<a name="line-193"></a><span class='hs-definition'>iselExpr64</span> <span class='hs-varid'>expr</span>
<a name="line-194"></a> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>pprPanic</span> <span class='hs-str'>"iselExpr64(sparc)"</span> <span class='hs-layout'>(</span><span class='hs-varid'>ppr</span> <span class='hs-varid'>expr</span><span class='hs-layout'>)</span>
<a name="line-195"></a>
<a name="line-196"></a>
<a name="line-197"></a>
</pre></body>
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