datatype reg =
EAX | EBX | ECX | EDX | ESI | EDI | EBP | RSP | R8D | R9D | R10D | R11D | R12D | R13D | R14D | R15D
(* operands to instructions *)
- datatype oper = REG of reg | TEMP of Temp.temp | CONST of Word32.word | REL of (reg * int) | STACKARG of int | STR of string
- datatype cc = E | NE | GE | LE | L | G
datatype size = Byte | Word | Long | Qword
+ datatype oper = REG of reg | TEMP of Temp.temp | CONST of Word32.word | REL of (oper * oper) | STACKARG of int | OSIZE of (size * oper)
+ datatype cc = E | NE | GE | LE | L | G
(* instructions *)
datatype insn =
DIRECTIVE of string |
COMMENT of string |
LABEL of Label.label |
- SIZE of size * insn |
MOV of oper * oper |
+ LEA of oper * oper |
SUB of oper * oper |
IMUL of oper * oper |
IMUL3 of oper * oper * Word32.word |
structure LiveMap : ORD_MAP
where type Key.ord_key = int;
+ val sts : int -> size
+ val sizeoper : oper -> size * oper
+ val stripsize : oper -> oper
+ val osize : oper -> size
val cmpoper : oper * oper -> order
val opereq : oper * oper -> bool
val regname : size -> reg -> string
val ccname : cc -> string
val opsused : insn list -> OperSet.set
val prettyprint_oper : size -> oper -> string
- val prettyprint : size -> insn -> string
+ val prettyprint : insn -> string
end
structure x86 :> X86 =
datatype reg =
EAX | EBX | ECX | EDX | ESI | EDI | EBP | RSP | R8D | R9D | R10D | R11D | R12D | R13D | R14D | R15D
- datatype oper = REG of reg | TEMP of Temp.temp | CONST of Word32.word | REL of (reg * int) | STACKARG of int | STR of string
- datatype cc = E | NE | GE | LE | L | G
datatype size = Byte | Word | Long | Qword
+ datatype oper = REG of reg | TEMP of Temp.temp | CONST of Word32.word | REL of (oper * oper) | STACKARG of int | OSIZE of (size * oper)
+ datatype cc = E | NE | GE | LE | L | G
datatype insn =
DIRECTIVE of string |
COMMENT of string |
LABEL of Label.label |
- SIZE of size * insn |
MOV of oper * oper |
+ LEA of oper * oper |
SUB of oper * oper |
IMUL of oper * oper |
IMUL3 of oper * oper * Word32.word |
| cmpoper (CONST(const1), CONST(const2)) = Word32.compare (const1, const2)
| cmpoper (REL (r1, i1), REL (r2, i2)) =
let
- val regorder = regcmp (r1, r2)
- val intorder = Int.compare (i1, i2)
+ val order1 = cmpoper (r1, r2)
+ val order2 = cmpoper (i1, i2)
in
- if (regorder = EQUAL) then intorder
- else regorder
+ if (order1 = EQUAL) then order2
+ else order1
end
| cmpoper (CONST _, _) = LESS
| cmpoper (REG _, _) = LESS
fun opereq (REG a, REG b) = a = b
| opereq (TEMP a, TEMP b) = Temp.eq (a, b)
| opereq (CONST a, CONST b) = a = b
- | opereq (REL (ra, ia), REL (rb, ib)) = (ra = rb) andalso (ia = ib)
+ | opereq (REL (a1, b1), REL (a2, b2)) = opereq (a1,a2) andalso opereq (b1,b2)
+(* | opereq (OSIZE (s1, o1), OSIZE (s2, o2)) = (s1 = s2) andalso opereq (o1, o2)*) (* This breaks the peepholer, shit *)
| opereq (_, _) = false
structure OperSet = ListSetFn (
| opsused ((COMMENT _)::l) = opsused l
| opsused ((LABEL _)::l) = opsused l
| opsused ((MOV (dst, src))::l) = OperSet.addList (opsused l, [dst, src])
+ | opsused ((LEA (dst, src))::l) = OperSet.addList (opsused l, [dst, src])
| opsused ((SUB (dst, src))::l) = OperSet.addList (opsused l, [dst, src])
| opsused ((IMUL (dst, src))::l) = OperSet.addList (opsused l, [dst, src])
| opsused ((IMUL3 (dst, src, _))::l) = OperSet.addList (opsused l, [dst, src])
| opsused ((CLTD)::l) = opsused l
| opsused ((RET)::l) = opsused l
| opsused ((LIVEIGN i)::l) = opsused (i::l)
- | opsused ((SIZE (_, i))::l) = opsused (i::l)
- (* integer tostring, except with more - and less ~ *)
- fun moreDifferentToString (i) =
- if (i >= 0) then Int.toString i
- else "-" ^ (Int.toString (~i))
+ fun sts 8 = Qword
+ | sts 4 = Long
+ | sts 2 = Word
+ | sts 1 = Byte
+ | sts _ = raise ErrorMsg.InternalError "invalid size"
(* pretty prints an operand *)
fun sfx Byte = "b"
| sfx Word = "w"
| sfx Long = "l"
| sfx Qword = "q"
-
+
+ fun osize (OSIZE (s, _)) = s
+ | osize _ = Long
+
+ fun stripsize (OSIZE (_, oo)) = stripsize oo
+ | stripsize oo = oo
+
+ fun sizeoper (OSIZE (s, oo)) = (s, stripsize oo)
+ | sizeoper oo = (Long, oo)
+
fun prettyprint_oper s (REG r) = "%" ^ (regname s r)
- | prettyprint_oper s (TEMP t) = (Temp.name t) ^ (sfx s)
+ | prettyprint_oper _ (TEMP t) = (Temp.name t) ^ (sfx (sts (Temp.size t)))
| prettyprint_oper _ (CONST c) = "$0x" ^ (Word32.toString c)
- | prettyprint_oper _ (REL (r, i)) = (moreDifferentToString i) ^ "(%" ^ (regname Qword r) ^ ")"
- | prettyprint_oper _ (STR s) = s
+ | prettyprint_oper _ (REL (r, CONST n)) = (Word32Signed.toString n) ^ "(" ^ (prettyprint_oper Qword r) ^ ")"
+ | prettyprint_oper s (REL (r1, r2)) = "(" ^ (prettyprint_oper Qword (stripsize r1)) ^ "," ^ (prettyprint_oper Qword (stripsize r2)) ^ ")"
| prettyprint_oper _ (STACKARG i) = "arg#"^Int.toString i
+ | prettyprint_oper _ (OSIZE (s, oo)) = prettyprint_oper s (stripsize oo)
(* pretty prints (no...) *)
- fun prettyprint s (DIRECTIVE(str)) = str ^ "\n"
- | prettyprint s (COMMENT(str)) = "// " ^ str ^ "\n"
- | prettyprint s (LABEL(l)) = Label.name l ^ ":\n"
- | prettyprint s (MOV(dst, src)) = "\tmov" ^ (sfx s) ^ "\t" ^ (prettyprint_oper s src) ^ ", " ^ (prettyprint_oper s dst) ^ "\n"
- | prettyprint s (SUB(dst, src)) = "\tsub" ^ (sfx s) ^ "\t" ^ (prettyprint_oper s src) ^ ", " ^ (prettyprint_oper s dst) ^ "\n"
- | prettyprint s (IMUL(dst, src)) = "\timul\t" ^ (prettyprint_oper s src) ^ ", " ^ (prettyprint_oper s dst) ^ "\n"
- | prettyprint s (IMUL3(dst, tmp, const)) = "\timul\t" ^ (prettyprint_oper s (CONST const)) ^ ", " ^ (prettyprint_oper s tmp) ^ ", " ^ (prettyprint_oper s dst) ^ "\n"
- | prettyprint s (ADD(dst, src)) = "\tadd" ^ (sfx s) ^ "\t" ^ (prettyprint_oper s src) ^ ", " ^ (prettyprint_oper s dst) ^ "\n"
- | prettyprint s (IDIV(src)) = "\tidiv" ^ (sfx s) ^ "\t" ^ (prettyprint_oper s src) ^ "\n"
- | prettyprint s (NEG (dst)) = "\tneg" ^ (sfx s) ^ "\t" ^ (prettyprint_oper s dst) ^ "\n"
- | prettyprint s (NOT (dst)) = "\tnot" ^ (sfx s) ^ "\t" ^ (prettyprint_oper s dst) ^ "\n"
- | prettyprint s (SAL (dst, shft)) = "\tsal" ^ (sfx s) ^ "\t" ^ (prettyprint_oper Byte shft) ^ ", " ^ (prettyprint_oper s dst) ^ "\n"
- | prettyprint s (SAR (dst, shft)) = "\tsar" ^ (sfx s) ^ "\t" ^ (prettyprint_oper Byte shft) ^ ", " ^ (prettyprint_oper s dst) ^ "\n"
- | prettyprint s (AND (dst, src)) = "\tand" ^ (sfx s) ^ "\t" ^ (prettyprint_oper s src) ^ ", " ^ (prettyprint_oper s dst) ^ "\n"
- | prettyprint s (OR (dst, src)) = "\tor" ^ (sfx s) ^ "\t" ^ (prettyprint_oper s src) ^ ", " ^ (prettyprint_oper s dst) ^ "\n"
- | prettyprint s (XOR (dst, src)) = "\txor" ^ (sfx s) ^ "\t" ^ (prettyprint_oper s src) ^ ", " ^ (prettyprint_oper s dst) ^ "\n"
- | prettyprint s (CMP (dst, src)) = "\tcmp" ^ (sfx s) ^ "\t" ^ (prettyprint_oper s src) ^ ", " ^ (prettyprint_oper s dst) ^ "\n"
- | prettyprint s (TEST (dst, src)) = "\ttest" ^ (sfx s) ^ "\t" ^ (prettyprint_oper s src) ^ ", " ^ (prettyprint_oper s dst) ^ "\n"
- | prettyprint s (SETcc (c, dst)) = "\tset" ^ (ccname c) ^ "\t" ^ (prettyprint_oper Byte dst) ^ "\n"
- | prettyprint s (JMP (label)) = "\tjmp\t" ^ (Label.name label) ^ "\n"
- | prettyprint s (Jcc (c,label)) = "\tj" ^ (ccname c) ^ "\t" ^ (Label.name label) ^ "\n"
- | prettyprint s (CALL (l,n)) = "\tcall\t" ^ Symbol.name l ^ "\t # (" ^ Int.toString n ^ "args)\n"
- | prettyprint s (MOVZB (dst, src)) = "\tmovzb" ^ (sfx s) ^ "\t" ^ (prettyprint_oper Byte src) ^ ", " ^ (prettyprint_oper s dst) ^ "\n"
- | prettyprint s (CLTD) = "\tcltd\n"
- | prettyprint s (RET) = "\tret\n"
- | prettyprint s (LIVEIGN i) = prettyprint s i
- | prettyprint _ (SIZE (s, i)) = prettyprint s i
+ fun prettyprint (DIRECTIVE(str)) = str ^ "\n"
+ | prettyprint (COMMENT(str)) = "// " ^ str ^ "\n"
+ | prettyprint (LABEL(l)) = Label.name l ^ ":\n"
+ | prettyprint (LEA(dst, src)) = "\tlea" ^ (sfx (osize dst)) ^ "\t" ^ (prettyprint_oper (osize dst) (stripsize src)) ^ ", " ^ (prettyprint_oper Long dst) ^ "\n"
+ | prettyprint (MOV(dst, src)) = "\tmov" ^ (sfx (osize dst)) ^ "\t" ^ (prettyprint_oper (osize dst) (stripsize src)) ^ ", " ^ (prettyprint_oper Long dst) ^ "\n"
+ | prettyprint (SUB(dst, src)) = "\tsub" ^ (sfx (osize dst)) ^ "\t" ^ (prettyprint_oper (osize dst) (stripsize src)) ^ ", " ^ (prettyprint_oper Long dst) ^ "\n"
+ | prettyprint (IMUL(dst, src)) = "\timul" ^ (sfx (osize dst)) ^ "\t" ^ (prettyprint_oper (osize dst) (stripsize src)) ^ ", " ^ (prettyprint_oper Long dst) ^ "\n"
+ | prettyprint (IMUL3(dst, tmp, const)) = "\timul" ^ (sfx (osize dst)) ^ "\t" ^ (prettyprint_oper (osize dst) (CONST const)) ^ ", " ^ (prettyprint_oper (osize dst) (stripsize tmp)) ^ ", " ^ (prettyprint_oper (osize dst) dst) ^ "\n"
+ | prettyprint (ADD(dst, src)) = "\tadd" ^ (sfx (osize dst)) ^ "\t" ^ (prettyprint_oper (osize dst) (stripsize src)) ^ ", " ^ (prettyprint_oper Long dst) ^ "\n"
+ | prettyprint (IDIV(src)) = "\tidiv" ^ (sfx (osize src)) ^ "\t" ^ (prettyprint_oper (osize src) src) ^ "\n"
+ | prettyprint (NEG (dst)) = "\tneg" ^ (sfx (osize dst)) ^ "\t" ^ (prettyprint_oper Long dst) ^ "\n"
+ | prettyprint (NOT (dst)) = "\tnot" ^ (sfx (osize dst)) ^ "\t" ^ (prettyprint_oper Long dst) ^ "\n"
+ | prettyprint (SAL (dst, shft)) = "\tsal" ^ (sfx (osize dst)) ^ "\t" ^ (prettyprint_oper Byte shft) ^ ", " ^ (prettyprint_oper Long dst) ^ "\n"
+ | prettyprint (SAR (dst, shft)) = "\tsar" ^ (sfx (osize dst)) ^ "\t" ^ (prettyprint_oper Byte shft) ^ ", " ^ (prettyprint_oper Long dst) ^ "\n"
+ | prettyprint (AND (dst, src)) = "\tand" ^ (sfx (osize dst)) ^ "\t" ^ (prettyprint_oper (osize dst) (stripsize src)) ^ ", " ^ (prettyprint_oper Long dst) ^ "\n"
+ | prettyprint (OR (dst, src)) = "\tor" ^ (sfx (osize dst)) ^ "\t" ^ (prettyprint_oper (osize dst) (stripsize src)) ^ ", " ^ (prettyprint_oper Long dst) ^ "\n"
+ | prettyprint (XOR (dst, src)) = "\txor" ^ (sfx (osize dst)) ^ "\t" ^ (prettyprint_oper (osize dst) (stripsize src)) ^ ", " ^ (prettyprint_oper Long dst) ^ "\n"
+ | prettyprint (CMP (dst, src)) = "\tcmp" ^ (sfx (osize dst)) ^ "\t" ^ (prettyprint_oper (osize dst) (stripsize src)) ^ ", " ^ (prettyprint_oper Long dst) ^ "\n"
+ | prettyprint (TEST (dst, src)) = "\ttest" ^ (sfx (osize dst)) ^ "\t" ^ (prettyprint_oper (osize dst) (stripsize src)) ^ ", " ^ (prettyprint_oper Long dst) ^ "\n"
+ | prettyprint (SETcc (c, dst)) = "\tset" ^ (ccname c) ^ "\t" ^ (prettyprint_oper Byte (stripsize dst)) ^ "\n"
+ | prettyprint (JMP (label)) = "\tjmp\t" ^ (Label.name label) ^ "\n"
+ | prettyprint (Jcc (c,label)) = "\tj" ^ (ccname c) ^ "\t" ^ (Label.name label) ^ "\n"
+ | prettyprint (CALL (l,n)) = "\tcall\t" ^ Symbol.name l ^ "\t # (" ^ Int.toString n ^ "args)\n"
+ | prettyprint (MOVZB (dst, src)) = "\tmovzb" ^ (sfx (osize dst)) ^ "\t" ^ (prettyprint_oper Byte (stripsize src)) ^ ", " ^ (prettyprint_oper Long dst) ^ "\n"
+ | prettyprint (CLTD) = "\tcltd\n"
+ | prettyprint (RET) = "\tret\n"
+ | prettyprint (LIVEIGN i) = prettyprint i
(* | prettyprint _ = raise ErrorMsg.InternalError ("prettyprint: Type A? Hatchar de coneccion?")*)
end