<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> <!--Rendered using the Haskell Html Library v0.2--> <HTML ><HEAD ><META HTTP-EQUIV="Content-Type" CONTENT="text/html; charset=UTF-8" ><TITLE >Reg</TITLE ><LINK HREF="haddock.css" REL="stylesheet" TYPE="text/css" ><SCRIPT SRC="haddock-util.js" TYPE="text/javascript" ></SCRIPT ><SCRIPT TYPE="text/javascript" >window.onload = function () {setSynopsis("mini_Reg.html")};</SCRIPT ></HEAD ><BODY ><TABLE CLASS="vanilla" CELLSPACING="0" CELLPADDING="0" ><TR ><TD CLASS="topbar" ><TABLE CLASS="vanilla" CELLSPACING="0" CELLPADDING="0" ><TR ><TD ><IMG SRC="haskell_icon.gif" WIDTH="16" HEIGHT="16" ALT=" " ></TD ><TD CLASS="title" >ghc-6.12.3: The GHC API</TD ><TD CLASS="topbut" ><A HREF="src/Reg.html" >Source code</A ></TD ><TD CLASS="topbut" ><A HREF="index.html" >Contents</A ></TD ><TD CLASS="topbut" ><A HREF="doc-index.html" >Index</A ></TD ></TR ></TABLE ></TD ></TR ><TR ><TD CLASS="modulebar" ><TABLE CLASS="vanilla" CELLSPACING="0" CELLPADDING="0" ><TR ><TD ><FONT SIZE="6" >Reg</FONT ></TD ></TR ></TABLE ></TD ></TR ><TR ><TD CLASS="s15" ></TD ></TR ><TR ><TD CLASS="section1" >Description</TD ></TR ><TR ><TD CLASS="doc" >An architecture independent description of a register. This needs to stay architecture independent because it is used by NCGMonad and the register allocators, which are shared by all architectures. </TD ></TR ><TR ><TD CLASS="s15" ></TD ></TR ><TR ><TD CLASS="section1" >Synopsis</TD ></TR ><TR ><TD CLASS="s15" ></TD ></TR ><TR ><TD CLASS="body" ><TABLE CLASS="vanilla" CELLSPACING="0" CELLPADDING="0" ><TR ><TD CLASS="decl" ><SPAN CLASS="keyword" >type</SPAN > <A HREF="#t%3ARegNo" >RegNo</A > = <A HREF="../base-4.2.0.2/Data-Int.html#t%3AInt" >Int</A ></TD ></TR ><TR ><TD CLASS="s8" ></TD ></TR ><TR ><TD CLASS="decl" ><TABLE CLASS="vanilla" CELLSPACING="0" CELLPADDING="0" ><TR ><TD CLASS="decl" ><SPAN CLASS="keyword" >data</SPAN > <A HREF="#t%3AReg" >Reg</A > </TD ></TR ><TR ><TD CLASS="body" ><TABLE CLASS="vanilla" CELLSPACING="0" CELLPADDING="0" ><TR ><TD CLASS="decl" >= <A HREF="#v%3ARegVirtual" >RegVirtual</A > !<A HREF="Reg.html#t%3AVirtualReg" >VirtualReg</A ></TD ></TR ><TR ><TD CLASS="decl" >| <A HREF="#v%3ARegReal" >RegReal</A > !<A HREF="Reg.html#t%3ARealReg" >RealReg</A ></TD ></TR ></TABLE ></TD ></TR ></TABLE ></TD ></TR ><TR ><TD CLASS="s8" ></TD ></TR ><TR ><TD CLASS="decl" ><A HREF="#v%3AregPair" >regPair</A > :: <A HREF="Reg.html#t%3ARegNo" >RegNo</A > -> <A HREF="Reg.html#t%3ARegNo" >RegNo</A > -> <A HREF="Reg.html#t%3AReg" >Reg</A ></TD ></TR ><TR ><TD CLASS="s8" ></TD ></TR ><TR ><TD CLASS="decl" ><A HREF="#v%3AregSingle" >regSingle</A > :: <A HREF="Reg.html#t%3ARegNo" >RegNo</A > -> <A HREF="Reg.html#t%3AReg" >Reg</A ></TD ></TR ><TR ><TD CLASS="s8" ></TD ></TR ><TR ><TD CLASS="decl" ><A HREF="#v%3AisRealReg" >isRealReg</A > :: <A HREF="Reg.html#t%3AReg" >Reg</A > -> <A HREF="../base-4.2.0.2/Data-Bool.html#t%3ABool" >Bool</A ></TD ></TR ><TR ><TD CLASS="s8" ></TD ></TR ><TR ><TD CLASS="decl" ><A HREF="#v%3AtakeRealReg" >takeRealReg</A > :: <A HREF="Reg.html#t%3AReg" >Reg</A > -> <A HREF="../base-4.2.0.2/Data-Maybe.html#t%3AMaybe" >Maybe</A > <A HREF="Reg.html#t%3ARealReg" >RealReg</A ></TD ></TR ><TR ><TD CLASS="s8" ></TD ></TR ><TR ><TD CLASS="decl" ><A HREF="#v%3AisVirtualReg" >isVirtualReg</A > :: <A HREF="Reg.html#t%3AReg" >Reg</A > -> <A HREF="../base-4.2.0.2/Data-Bool.html#t%3ABool" >Bool</A ></TD ></TR ><TR ><TD CLASS="s8" ></TD ></TR ><TR ><TD CLASS="decl" ><A HREF="#v%3AtakeVirtualReg" >takeVirtualReg</A > :: <A HREF="Reg.html#t%3AReg" >Reg</A > -> <A HREF="../base-4.2.0.2/Data-Maybe.html#t%3AMaybe" >Maybe</A > <A HREF="Reg.html#t%3AVirtualReg" >VirtualReg</A ></TD ></TR ><TR ><TD CLASS="s8" ></TD ></TR ><TR ><TD CLASS="decl" ><TABLE CLASS="vanilla" CELLSPACING="0" CELLPADDING="0" ><TR ><TD CLASS="decl" ><SPAN CLASS="keyword" >data</SPAN > <A HREF="#t%3AVirtualReg" >VirtualReg</A > </TD ></TR ><TR ><TD CLASS="body" ><TABLE CLASS="vanilla" CELLSPACING="0" CELLPADDING="0" ><TR ><TD CLASS="decl" >= <A HREF="#v%3AVirtualRegI" >VirtualRegI</A > !<A HREF="Unique.html#t%3AUnique" >Unique</A ></TD ></TR ><TR ><TD CLASS="decl" >| <A HREF="#v%3AVirtualRegHi" >VirtualRegHi</A > !<A HREF="Unique.html#t%3AUnique" >Unique</A ></TD ></TR ><TR ><TD CLASS="decl" >| <A HREF="#v%3AVirtualRegF" >VirtualRegF</A > !<A HREF="Unique.html#t%3AUnique" >Unique</A ></TD ></TR ><TR ><TD CLASS="decl" >| <A HREF="#v%3AVirtualRegD" >VirtualRegD</A > !<A HREF="Unique.html#t%3AUnique" >Unique</A ></TD ></TR ></TABLE ></TD ></TR ></TABLE ></TD ></TR ><TR ><TD CLASS="s8" ></TD ></TR ><TR ><TD CLASS="decl" ><A HREF="#v%3ArenameVirtualReg" >renameVirtualReg</A > :: <A HREF="Unique.html#t%3AUnique" >Unique</A > -> <A HREF="Reg.html#t%3AVirtualReg" >VirtualReg</A > -> <A HREF="Reg.html#t%3AVirtualReg" >VirtualReg</A ></TD ></TR ><TR ><TD CLASS="s8" ></TD ></TR ><TR ><TD CLASS="decl" ><A HREF="#v%3AclassOfVirtualReg" >classOfVirtualReg</A > :: <A HREF="Reg.html#t%3AVirtualReg" >VirtualReg</A > -> <A HREF="RegClass.html#t%3ARegClass" >RegClass</A ></TD ></TR ><TR ><TD CLASS="s8" ></TD ></TR ><TR ><TD CLASS="decl" ><A HREF="#v%3AgetHiVirtualRegFromLo" >getHiVirtualRegFromLo</A > :: <A HREF="Reg.html#t%3AVirtualReg" >VirtualReg</A > -> <A HREF="Reg.html#t%3AVirtualReg" >VirtualReg</A ></TD ></TR ><TR ><TD CLASS="s8" ></TD ></TR ><TR ><TD CLASS="decl" ><A HREF="#v%3AgetHiVRegFromLo" >getHiVRegFromLo</A > :: <A HREF="Reg.html#t%3AReg" >Reg</A > -> <A HREF="Reg.html#t%3AReg" >Reg</A ></TD ></TR ><TR ><TD CLASS="s8" ></TD ></TR ><TR ><TD CLASS="decl" ><TABLE CLASS="vanilla" CELLSPACING="0" CELLPADDING="0" ><TR ><TD CLASS="decl" ><SPAN CLASS="keyword" >data</SPAN > <A HREF="#t%3ARealReg" >RealReg</A > </TD ></TR ><TR ><TD CLASS="body" ><TABLE CLASS="vanilla" CELLSPACING="0" CELLPADDING="0" ><TR ><TD CLASS="decl" >= <A HREF="#v%3ARealRegSingle" >RealRegSingle</A > !<A HREF="Reg.html#t%3ARegNo" >RegNo</A ></TD ></TR ><TR ><TD CLASS="decl" >| <A HREF="#v%3ARealRegPair" >RealRegPair</A > !<A HREF="Reg.html#t%3ARegNo" >RegNo</A > !<A HREF="Reg.html#t%3ARegNo" >RegNo</A ></TD ></TR ></TABLE ></TD ></TR ></TABLE ></TD ></TR ><TR ><TD CLASS="s8" ></TD ></TR ><TR ><TD CLASS="decl" ><A HREF="#v%3AregNosOfRealReg" >regNosOfRealReg</A > :: <A HREF="Reg.html#t%3ARealReg" >RealReg</A > -> [<A HREF="Reg.html#t%3ARegNo" >RegNo</A >]</TD ></TR ><TR ><TD CLASS="s8" ></TD ></TR ><TR ><TD CLASS="decl" ><A HREF="#v%3ArealRegsAlias" >realRegsAlias</A > :: <A HREF="Reg.html#t%3ARealReg" >RealReg</A > -> <A HREF="Reg.html#t%3ARealReg" >RealReg</A > -> <A HREF="../base-4.2.0.2/Data-Bool.html#t%3ABool" >Bool</A ></TD ></TR ><TR ><TD CLASS="s8" ></TD ></TR ><TR ><TD CLASS="decl" ><A HREF="#v%3AliftPatchFnToRegReg" >liftPatchFnToRegReg</A > :: (<A HREF="Reg.html#t%3AVirtualReg" >VirtualReg</A > -> <A HREF="Reg.html#t%3ARealReg" >RealReg</A >) -> <A HREF="Reg.html#t%3AReg" >Reg</A > -> <A HREF="Reg.html#t%3AReg" >Reg</A ></TD ></TR ></TABLE ></TD ></TR ><TR ><TD CLASS="s15" ></TD ></TR ><TR ><TD CLASS="section1" >Documentation</TD ></TR ><TR ><TD CLASS="s15" ></TD ></TR ><TR ><TD CLASS="topdecl" ><TABLE CLASS="declbar" ><TR ><TD CLASS="declname" ><SPAN CLASS="keyword" >type</SPAN > <A NAME="t:RegNo" ><A NAME="t%3ARegNo" ></A ></A ><B >RegNo</B > = <A HREF="../base-4.2.0.2/Data-Int.html#t%3AInt" >Int</A ></TD ><TD CLASS="declbut" ><A HREF="src/Reg.html#RegNo" >Source</A ></TD ></TR ></TABLE ></TD ></TR ><TR ><TD CLASS="doc" >An identifier for a primitive real machine register. </TD ></TR ><TR ><TD CLASS="s15" ></TD ></TR ><TR ><TD CLASS="topdecl" ><TABLE CLASS="declbar" ><TR ><TD CLASS="declname" ><SPAN CLASS="keyword" >data</SPAN > <A NAME="t:Reg" ><A NAME="t%3AReg" ></A ></A ><B >Reg</B > </TD ><TD CLASS="declbut" ><A HREF="src/Reg.html#Reg" >Source</A ></TD ></TR ></TABLE ></TD ></TR ><TR ><TD CLASS="body" ><TABLE CLASS="vanilla" CELLSPACING="0" CELLPADDING="0" ><TR ><TD CLASS="ndoc" >A register, either virtual or real </TD ></TR ><TR ><TD CLASS="section4" >Constructors</TD ></TR ><TR ><TD CLASS="body" ><TABLE CLASS="vanilla" CELLSPACING="1" CELLPADDING="0" ><TR ><TD CLASS="arg" ><A NAME="v:RegVirtual" ><A NAME="v%3ARegVirtual" ></A ></A ><B >RegVirtual</B > !<A HREF="Reg.html#t%3AVirtualReg" >VirtualReg</A ></TD ><TD CLASS="rdoc" ></TD ></TR ><TR ><TD CLASS="arg" ><A NAME="v:RegReal" ><A NAME="v%3ARegReal" ></A ></A ><B >RegReal</B > !<A HREF="Reg.html#t%3ARealReg" >RealReg</A ></TD ><TD CLASS="rdoc" ></TD ></TR ></TABLE ></TD ></TR ><TR ><TD CLASS="section4" ><IMG SRC="minus.gif" CLASS="coll" ONCLICK="toggle(this,'i:Reg')" ALT="show/hide" > Instances</TD ></TR ><TR ><TD CLASS="body" ><DIV ID="i:Reg" STYLE="display:block;" ><TABLE CLASS="vanilla" CELLSPACING="1" CELLPADDING="0" ><TR ><TD CLASS="decl" ><A HREF="../base-4.2.0.2/Data-Eq.html#t%3AEq" >Eq</A > <A HREF="Reg.html#t%3AReg" >Reg</A ></TD ></TR ><TR ><TD CLASS="decl" ><A HREF="../base-4.2.0.2/Data-Ord.html#t%3AOrd" >Ord</A > <A HREF="Reg.html#t%3AReg" >Reg</A ></TD ></TR ><TR ><TD CLASS="decl" ><A HREF="Outputable.html#t%3AOutputable" >Outputable</A > <A HREF="Reg.html#t%3AReg" >Reg</A ></TD ></TR ><TR ><TD CLASS="decl" ><A HREF="Unique.html#t%3AUniquable" >Uniquable</A > <A HREF="Reg.html#t%3AReg" >Reg</A ></TD ></TR ></TABLE ></DIV ></TD ></TR ></TABLE ></TD ></TR ><TR ><TD CLASS="s15" ></TD ></TR ><TR ><TD CLASS="topdecl" ><TABLE CLASS="declbar" ><TR ><TD CLASS="declname" ><A NAME="v:regPair" ><A NAME="v%3AregPair" ></A ></A ><B >regPair</B > :: <A HREF="Reg.html#t%3ARegNo" >RegNo</A > -> <A HREF="Reg.html#t%3ARegNo" >RegNo</A > -> <A HREF="Reg.html#t%3AReg" >Reg</A ></TD ><TD CLASS="declbut" ><A HREF="src/Reg.html#regPair" >Source</A ></TD ></TR ></TABLE ></TD ></TR ><TR ><TD CLASS="s15" ></TD ></TR ><TR ><TD CLASS="topdecl" ><TABLE CLASS="declbar" ><TR ><TD CLASS="declname" ><A NAME="v:regSingle" ><A NAME="v%3AregSingle" ></A ></A ><B >regSingle</B > :: <A HREF="Reg.html#t%3ARegNo" >RegNo</A > -> <A HREF="Reg.html#t%3AReg" >Reg</A ></TD ><TD CLASS="declbut" ><A HREF="src/Reg.html#regSingle" >Source</A ></TD ></TR ></TABLE ></TD ></TR ><TR ><TD CLASS="s15" ></TD ></TR ><TR ><TD CLASS="topdecl" ><TABLE CLASS="declbar" ><TR ><TD CLASS="declname" ><A NAME="v:isRealReg" ><A NAME="v%3AisRealReg" ></A ></A ><B >isRealReg</B > :: <A HREF="Reg.html#t%3AReg" >Reg</A > -> <A HREF="../base-4.2.0.2/Data-Bool.html#t%3ABool" >Bool</A ></TD ><TD CLASS="declbut" ><A HREF="src/Reg.html#isRealReg" >Source</A ></TD ></TR ></TABLE ></TD ></TR ><TR ><TD CLASS="s15" ></TD ></TR ><TR ><TD CLASS="topdecl" ><TABLE CLASS="declbar" ><TR ><TD CLASS="declname" ><A NAME="v:takeRealReg" ><A NAME="v%3AtakeRealReg" ></A ></A ><B >takeRealReg</B > :: <A HREF="Reg.html#t%3AReg" >Reg</A > -> <A HREF="../base-4.2.0.2/Data-Maybe.html#t%3AMaybe" >Maybe</A > <A HREF="Reg.html#t%3ARealReg" >RealReg</A ></TD ><TD CLASS="declbut" ><A HREF="src/Reg.html#takeRealReg" >Source</A ></TD ></TR ></TABLE ></TD ></TR ><TR ><TD CLASS="s15" ></TD ></TR ><TR ><TD CLASS="topdecl" ><TABLE CLASS="declbar" ><TR ><TD CLASS="declname" ><A NAME="v:isVirtualReg" ><A NAME="v%3AisVirtualReg" ></A ></A ><B >isVirtualReg</B > :: <A HREF="Reg.html#t%3AReg" >Reg</A > -> <A HREF="../base-4.2.0.2/Data-Bool.html#t%3ABool" >Bool</A ></TD ><TD CLASS="declbut" ><A HREF="src/Reg.html#isVirtualReg" >Source</A ></TD ></TR ></TABLE ></TD ></TR ><TR ><TD CLASS="s15" ></TD ></TR ><TR ><TD CLASS="topdecl" ><TABLE CLASS="declbar" ><TR ><TD CLASS="declname" ><A NAME="v:takeVirtualReg" ><A NAME="v%3AtakeVirtualReg" ></A ></A ><B >takeVirtualReg</B > :: <A HREF="Reg.html#t%3AReg" >Reg</A > -> <A HREF="../base-4.2.0.2/Data-Maybe.html#t%3AMaybe" >Maybe</A > <A HREF="Reg.html#t%3AVirtualReg" >VirtualReg</A ></TD ><TD CLASS="declbut" ><A HREF="src/Reg.html#takeVirtualReg" >Source</A ></TD ></TR ></TABLE ></TD ></TR ><TR ><TD CLASS="s15" ></TD ></TR ><TR ><TD CLASS="topdecl" ><TABLE CLASS="declbar" ><TR ><TD CLASS="declname" ><SPAN CLASS="keyword" >data</SPAN > <A NAME="t:VirtualReg" ><A NAME="t%3AVirtualReg" ></A ></A ><B >VirtualReg</B > </TD ><TD CLASS="declbut" ><A HREF="src/Reg.html#VirtualReg" >Source</A ></TD ></TR ></TABLE ></TD ></TR ><TR ><TD CLASS="body" ><TABLE CLASS="vanilla" CELLSPACING="0" CELLPADDING="0" ><TR ><TD CLASS="section4" >Constructors</TD ></TR ><TR ><TD CLASS="body" ><TABLE CLASS="vanilla" CELLSPACING="1" CELLPADDING="0" ><TR ><TD CLASS="arg" ><A NAME="v:VirtualRegI" ><A NAME="v%3AVirtualRegI" ></A ></A ><B >VirtualRegI</B > !<A HREF="Unique.html#t%3AUnique" >Unique</A ></TD ><TD CLASS="rdoc" ></TD ></TR ><TR ><TD CLASS="arg" ><A NAME="v:VirtualRegHi" ><A NAME="v%3AVirtualRegHi" ></A ></A ><B >VirtualRegHi</B > !<A HREF="Unique.html#t%3AUnique" >Unique</A ></TD ><TD CLASS="rdoc" ></TD ></TR ><TR ><TD CLASS="arg" ><A NAME="v:VirtualRegF" ><A NAME="v%3AVirtualRegF" ></A ></A ><B >VirtualRegF</B > !<A HREF="Unique.html#t%3AUnique" >Unique</A ></TD ><TD CLASS="rdoc" ></TD ></TR ><TR ><TD CLASS="arg" ><A NAME="v:VirtualRegD" ><A NAME="v%3AVirtualRegD" ></A ></A ><B >VirtualRegD</B > !<A HREF="Unique.html#t%3AUnique" >Unique</A ></TD ><TD CLASS="rdoc" ></TD ></TR ></TABLE ></TD ></TR ><TR ><TD CLASS="section4" ><IMG SRC="minus.gif" CLASS="coll" ONCLICK="toggle(this,'i:VirtualReg')" ALT="show/hide" > Instances</TD ></TR ><TR ><TD CLASS="body" ><DIV ID="i:VirtualReg" STYLE="display:block;" ><TABLE CLASS="vanilla" CELLSPACING="1" CELLPADDING="0" ><TR ><TD CLASS="decl" ><A HREF="../base-4.2.0.2/Data-Eq.html#t%3AEq" >Eq</A > <A HREF="Reg.html#t%3AVirtualReg" >VirtualReg</A ></TD ></TR ><TR ><TD CLASS="decl" ><A HREF="../base-4.2.0.2/Data-Ord.html#t%3AOrd" >Ord</A > <A HREF="Reg.html#t%3AVirtualReg" >VirtualReg</A ></TD ></TR ><TR ><TD CLASS="decl" ><A HREF="../base-4.2.0.2/Text-Show.html#t%3AShow" >Show</A > <A HREF="Reg.html#t%3AVirtualReg" >VirtualReg</A ></TD ></TR ><TR ><TD CLASS="decl" ><A HREF="Outputable.html#t%3AOutputable" >Outputable</A > <A HREF="Reg.html#t%3AVirtualReg" >VirtualReg</A ></TD ></TR ><TR ><TD CLASS="decl" ><A HREF="Unique.html#t%3AUniquable" >Uniquable</A > <A HREF="Reg.html#t%3AVirtualReg" >VirtualReg</A ></TD ></TR ></TABLE ></DIV ></TD ></TR ></TABLE ></TD ></TR ><TR ><TD CLASS="s15" ></TD ></TR ><TR ><TD CLASS="topdecl" ><TABLE CLASS="declbar" ><TR ><TD CLASS="declname" ><A NAME="v:renameVirtualReg" ><A NAME="v%3ArenameVirtualReg" ></A ></A ><B >renameVirtualReg</B > :: <A HREF="Unique.html#t%3AUnique" >Unique</A > -> <A HREF="Reg.html#t%3AVirtualReg" >VirtualReg</A > -> <A HREF="Reg.html#t%3AVirtualReg" >VirtualReg</A ></TD ><TD CLASS="declbut" ><A HREF="src/Reg.html#renameVirtualReg" >Source</A ></TD ></TR ></TABLE ></TD ></TR ><TR ><TD CLASS="s15" ></TD ></TR ><TR ><TD CLASS="topdecl" ><TABLE CLASS="declbar" ><TR ><TD CLASS="declname" ><A NAME="v:classOfVirtualReg" ><A NAME="v%3AclassOfVirtualReg" ></A ></A ><B >classOfVirtualReg</B > :: <A HREF="Reg.html#t%3AVirtualReg" >VirtualReg</A > -> <A HREF="RegClass.html#t%3ARegClass" >RegClass</A ></TD ><TD CLASS="declbut" ><A HREF="src/Reg.html#classOfVirtualReg" >Source</A ></TD ></TR ></TABLE ></TD ></TR ><TR ><TD CLASS="s15" ></TD ></TR ><TR ><TD CLASS="topdecl" ><TABLE CLASS="declbar" ><TR ><TD CLASS="declname" ><A NAME="v:getHiVirtualRegFromLo" ><A NAME="v%3AgetHiVirtualRegFromLo" ></A ></A ><B >getHiVirtualRegFromLo</B > :: <A HREF="Reg.html#t%3AVirtualReg" >VirtualReg</A > -> <A HREF="Reg.html#t%3AVirtualReg" >VirtualReg</A ></TD ><TD CLASS="declbut" ><A HREF="src/Reg.html#getHiVirtualRegFromLo" >Source</A ></TD ></TR ></TABLE ></TD ></TR ><TR ><TD CLASS="s15" ></TD ></TR ><TR ><TD CLASS="topdecl" ><TABLE CLASS="declbar" ><TR ><TD CLASS="declname" ><A NAME="v:getHiVRegFromLo" ><A NAME="v%3AgetHiVRegFromLo" ></A ></A ><B >getHiVRegFromLo</B > :: <A HREF="Reg.html#t%3AReg" >Reg</A > -> <A HREF="Reg.html#t%3AReg" >Reg</A ></TD ><TD CLASS="declbut" ><A HREF="src/Reg.html#getHiVRegFromLo" >Source</A ></TD ></TR ></TABLE ></TD ></TR ><TR ><TD CLASS="s15" ></TD ></TR ><TR ><TD CLASS="topdecl" ><TABLE CLASS="declbar" ><TR ><TD CLASS="declname" ><SPAN CLASS="keyword" >data</SPAN > <A NAME="t:RealReg" ><A NAME="t%3ARealReg" ></A ></A ><B >RealReg</B > </TD ><TD CLASS="declbut" ><A HREF="src/Reg.html#RealReg" >Source</A ></TD ></TR ></TABLE ></TD ></TR ><TR ><TD CLASS="body" ><TABLE CLASS="vanilla" CELLSPACING="0" CELLPADDING="0" ><TR ><TD CLASS="ndoc" ><P >RealRegs are machine regs which are available for allocation, in the usual way. We know what class they are, because that's part of the processor's architecture. </P ><P >RealRegPairs are pairs of real registers that are allocated together to hold a larger value, such as with Double regs on SPARC. </P ></TD ></TR ><TR ><TD CLASS="section4" >Constructors</TD ></TR ><TR ><TD CLASS="body" ><TABLE CLASS="vanilla" CELLSPACING="1" CELLPADDING="0" ><TR ><TD CLASS="arg" ><A NAME="v:RealRegSingle" ><A NAME="v%3ARealRegSingle" ></A ></A ><B >RealRegSingle</B > !<A HREF="Reg.html#t%3ARegNo" >RegNo</A ></TD ><TD CLASS="rdoc" ></TD ></TR ><TR ><TD CLASS="arg" ><A NAME="v:RealRegPair" ><A NAME="v%3ARealRegPair" ></A ></A ><B >RealRegPair</B > !<A HREF="Reg.html#t%3ARegNo" >RegNo</A > !<A HREF="Reg.html#t%3ARegNo" >RegNo</A ></TD ><TD CLASS="rdoc" ></TD ></TR ></TABLE ></TD ></TR ><TR ><TD CLASS="section4" ><IMG SRC="minus.gif" CLASS="coll" ONCLICK="toggle(this,'i:RealReg')" ALT="show/hide" > Instances</TD ></TR ><TR ><TD CLASS="body" ><DIV ID="i:RealReg" STYLE="display:block;" ><TABLE CLASS="vanilla" CELLSPACING="1" CELLPADDING="0" ><TR ><TD CLASS="decl" ><A HREF="../base-4.2.0.2/Data-Eq.html#t%3AEq" >Eq</A > <A HREF="Reg.html#t%3ARealReg" >RealReg</A ></TD ></TR ><TR ><TD CLASS="decl" ><A HREF="../base-4.2.0.2/Data-Ord.html#t%3AOrd" >Ord</A > <A HREF="Reg.html#t%3ARealReg" >RealReg</A ></TD ></TR ><TR ><TD CLASS="decl" ><A HREF="../base-4.2.0.2/Text-Show.html#t%3AShow" >Show</A > <A HREF="Reg.html#t%3ARealReg" >RealReg</A ></TD ></TR ><TR ><TD CLASS="decl" ><A HREF="Outputable.html#t%3AOutputable" >Outputable</A > <A HREF="Reg.html#t%3ARealReg" >RealReg</A ></TD ></TR ><TR ><TD CLASS="decl" ><A HREF="Unique.html#t%3AUniquable" >Uniquable</A > <A HREF="Reg.html#t%3ARealReg" >RealReg</A ></TD ></TR ></TABLE ></DIV ></TD ></TR ></TABLE ></TD ></TR ><TR ><TD CLASS="s15" ></TD ></TR ><TR ><TD CLASS="topdecl" ><TABLE CLASS="declbar" ><TR ><TD CLASS="declname" ><A NAME="v:regNosOfRealReg" ><A NAME="v%3AregNosOfRealReg" ></A ></A ><B >regNosOfRealReg</B > :: <A HREF="Reg.html#t%3ARealReg" >RealReg</A > -> [<A HREF="Reg.html#t%3ARegNo" >RegNo</A >]</TD ><TD CLASS="declbut" ><A HREF="src/Reg.html#regNosOfRealReg" >Source</A ></TD ></TR ></TABLE ></TD ></TR ><TR ><TD CLASS="s15" ></TD ></TR ><TR ><TD CLASS="topdecl" ><TABLE CLASS="declbar" ><TR ><TD CLASS="declname" ><A NAME="v:realRegsAlias" ><A NAME="v%3ArealRegsAlias" ></A ></A ><B >realRegsAlias</B > :: <A HREF="Reg.html#t%3ARealReg" >RealReg</A > -> <A HREF="Reg.html#t%3ARealReg" >RealReg</A > -> <A HREF="../base-4.2.0.2/Data-Bool.html#t%3ABool" >Bool</A ></TD ><TD CLASS="declbut" ><A HREF="src/Reg.html#realRegsAlias" >Source</A ></TD ></TR ></TABLE ></TD ></TR ><TR ><TD CLASS="s15" ></TD ></TR ><TR ><TD CLASS="topdecl" ><TABLE CLASS="declbar" ><TR ><TD CLASS="declname" ><A NAME="v:liftPatchFnToRegReg" ><A NAME="v%3AliftPatchFnToRegReg" ></A ></A ><B >liftPatchFnToRegReg</B > :: (<A HREF="Reg.html#t%3AVirtualReg" >VirtualReg</A > -> <A HREF="Reg.html#t%3ARealReg" >RealReg</A >) -> <A HREF="Reg.html#t%3AReg" >Reg</A > -> <A HREF="Reg.html#t%3AReg" >Reg</A ></TD ><TD CLASS="declbut" ><A HREF="src/Reg.html#liftPatchFnToRegReg" >Source</A ></TD ></TR ></TABLE ></TD ></TR ><TR ><TD CLASS="doc" >The patch function supplied by the allocator maps VirtualReg to RealReg regs, but sometimes we want to apply it to plain old Reg. </TD ></TR ><TR ><TD CLASS="s15" ></TD ></TR ><TR ><TD CLASS="botbar" >Produced by <A HREF="http://www.haskell.org/haddock/" >Haddock</A > version 2.6.1</TD ></TR ></TABLE ></BODY ></HTML >