diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/ChangeLog | 7 | ||||
| -rw-r--r-- | src/interp/g-util.boot | 61 | ||||
| -rw-r--r-- | src/interp/slam.boot | 10 |
3 files changed, 58 insertions, 20 deletions
diff --git a/src/ChangeLog b/src/ChangeLog index 639cb4bd..c24c65b3 100644 --- a/src/ChangeLog +++ b/src/ChangeLog @@ -1,5 +1,12 @@ 2010-05-26 Gabriel Dos Reis <gdr@cs.tamu.edu> + * interp/slam.boot (compileRecurrenceRelation): Generate code to + access and set the global value of the variable holding the cache + state. + * interp/g-util.boot: Add more middle end form expanders. + +2010-05-26 Gabriel Dos Reis <gdr@cs.tamu.edu> + * boot/tokens.boot: Automatically translate alphabetic?, digit?, lowerCase?, upperCase?, readByte, readInteger, readLine, writeByte, writeLine. diff --git a/src/interp/g-util.boot b/src/interp/g-util.boot index e3c4ec2b..8815cf5b 100644 --- a/src/interp/g-util.boot +++ b/src/interp/g-util.boot @@ -191,34 +191,65 @@ expandAnd ["%and",:args] == expandOr ["%or",:args] == ["OR",:expandToVMForm args] +-- Arithmetic operations +expandImul ["%imul",:args] == + ["*",:expandToVMForm args] + +expandIadd ["%iadd",:args] == + ["+",:expandToVMForm args] + +expandIsub ["%isub",:args] == + ["-",:expandToVMForm args] + +expandIeq ["%ieq",:args] == + ["EQL",:expandToVMForm args] + -- Local variable bindings expandBind ["%bind",inits,body] == body := expandToVMForm body inits := [[first x,expandToVMForm second x] for x in inits] -- FIXME: we should consider turning LET* into LET or direct inlining. ["LET*",inits,body] - + +-- Memory load/store + +expandDynval ["%dynval",:args] == + ["SYMBOL-VALUE",:expandToVMForm args] + +expandStore ["%store",place,value] == + place := expandToVMForm place + value := expandToVMForm value + cons? place => ["SETF",place,value] + ["SETQ",place,value] + ++ Table of opcode-expander pairs. -$OpcodeExpanders == [ - ["%not",:"expandNot"], - ["%and",:"expandAnd"], - ["%or",:"expandOr"], +for x in [ + ["%not",:function expandNot], + ["%and",:function expandAnd], + ["%or",:function expandOr], - ["%collect",:"expandCollect"], - ["%repeat",:"expandRepeat"], + ["%collect",:function expandCollect], + ["%repeat",:function expandRepeat], - ["%le",:"expandLessEqual"], - ["%lt",:"expandLess"], - ["%ge",:"expandGreaterEqual"], - ["%gt",:"expandGreater"], + ["%le",:function expandLessEqual], + ["%lt",:function expandLess], + ["%ge",:function expandGreaterEqual], + ["%gt",:function expandGreater], - ["%bind",:"expandBind"] - ] + ["%imul",:function expandImul], + ["%iadd",:function expandIadd], + ["%isub",:function expandIsub], + + ["%ieq",:function expandIeq], + + ["%bind",:function expandBind], + ["%store",:function expandStore], + ["%dynval",:function expandDynval] + ] repeat MAKEPROP(first x,"%Expander", rest x) ++ Return the expander of a middle-end opcode, or nil if there is none. getOpcodeExpander op == - x := ASSOC(op,$OpcodeExpanders) => rest x - nil + op has %Expander ++ Expand all opcodes contained in the form `x' into a form ++ suitable for evaluation by the VM. diff --git a/src/interp/slam.boot b/src/interp/slam.boot index 450e70a2..3da6c906 100644 --- a/src/interp/slam.boot +++ b/src/interp/slam.boot @@ -282,8 +282,8 @@ compileRecurrenceRelation(op,nam,argl,junk,[body,sharpArg,n,:initCode]) == newTripleCode := ["LIST",sharpArg,:gsList] newStateCode := - null extraArguments => ["SETQ",stateNam,newTripleCode] - ["HPUT",stateNam,extraArgumentCode,newTripleCode] + null extraArguments => ["%store",["%dynval", MKQ stateNam],newTripleCode] + ["HPUT",["%dynval", MKQ stateNam],extraArgumentCode,newTripleCode] computeFunction:= [auxfn,["LAM",cargl,cbody]] where cargl:= [:argl,lastArg] @@ -312,11 +312,11 @@ compileRecurrenceRelation(op,nam,argl,junk,[body,sharpArg,n,:initCode]) == initialValueCode := extraArguments => ["hashTable",''EQUAL] tripleCode - cacheResetCode := ["SETQ",stateNam,initialValueCode] + cacheResetCode := ["%store",["%dynval", MKQ stateNam],initialValueCode] ["COND",[["%not",["%and",["BOUNDP",MKQ stateNam], _ - ["CONSP",stateNam]]], _ + ["CONSP",["%dynval",MKQ stateNam]]]], _ ["%LET",stateVar,cacheResetCode]], _ - [''T, ["%LET",stateVar,stateNam]]] + [''T, ["%LET",stateVar,["%dynval",MKQ stateNam]]]] -- when there are extra arguments, initialResetCode resets "stateVar" -- to the hashtable entry for the extra arguments |