X-Git-Url: http://git.joshuawise.com/snipe.git/blobdiff_plain/6ade8b0a3251e44b34c6bdbbd9403e36d6fd6231..HEAD:/codegen/x86.sml diff --git a/codegen/x86.sml b/codegen/x86.sml index 6ec4263..c0ff0b8 100644 --- a/codegen/x86.sml +++ b/codegen/x86.sml @@ -10,16 +10,21 @@ sig 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 basicop = REG of reg | + TEMP of Temp.temp | + CONST of Word32.word | + REL of ((basicop * Temp.size) * (basicop * Temp.size) * Word32.word) | + STACKARG of int + type oper = basicop * Temp.size + datatype cc = E | NE | GE | LE | L | G | B | BE | A | AE (* instructions *) datatype insn = DIRECTIVE of string | COMMENT of string | LABEL of Label.label | - SIZE of size * insn | MOV of oper * oper | + MOVSC of oper * oper | + LEA of oper * oper | SUB of oper * oper | IMUL of oper * oper | IMUL3 of oper * oper * Word32.word | @@ -35,6 +40,7 @@ sig CMP of oper * oper | TEST of oper * oper | SETcc of cc * oper | + CMOVcc of cc * oper * oper | JMP of Label.label | Jcc of cc * Label.label | CALL of Symbol.symbol * int | @@ -42,38 +48,49 @@ sig CLTD | LIVEIGN of insn | RET - + structure OperSet : ORD_SET - where type Key.ord_key = oper; + where type Key.ord_key = basicop; structure LiveMap : ORD_MAP where type Key.ord_key = int; + val resize : Temp.size -> oper -> oper + val regcmp : reg * reg -> order + val getop : oper -> basicop + val osize : oper -> Temp.size val cmpoper : oper * oper -> order + val cmpbasic : basicop * basicop -> order val opereq : oper * oper -> bool - val regname : size -> reg -> string + val basiceq : basicop * basicop -> bool + val regname : Temp.size -> reg -> string val regtonum : reg -> int val numtoreg : int -> reg val ccname : cc -> string val opsused : insn list -> OperSet.set - val prettyprint_oper : size -> oper -> string - val prettyprint : size -> insn -> string + val pp_oper : oper -> string + val print : insn -> string end structure x86 :> X86 = struct - 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 + (* operands to instructions *) + datatype basicop = REG of reg | + TEMP of Temp.temp | + CONST of Word32.word | + REL of ((basicop * Temp.size) * (basicop * Temp.size) * Word32.word) | + STACKARG of int + datatype cc = E | NE | GE | LE | L | G | B | BE | A | AE + type oper = basicop * Temp.size datatype insn = DIRECTIVE of string | COMMENT of string | LABEL of Label.label | - SIZE of size * insn | MOV of oper * oper | + MOVSC of oper * oper | + LEA of oper * oper | SUB of oper * oper | IMUL of oper * oper | IMUL3 of oper * oper * Word32.word | @@ -89,6 +106,7 @@ struct CMP of oper * oper | TEST of oper * oper | SETcc of cc * oper | + CMOVcc of cc * oper * oper | JMP of Label.label | Jcc of cc * Label.label | CALL of Symbol.symbol * int | @@ -123,10 +141,10 @@ struct val (n, (b, w, l, q)) = valOf (List.find (fn (r, _) => r = reg) regnames) in case sz - of Byte => b - | Word => w - | Long => l - | Qword => q + of Temp.Byte => b + | Temp.Word => w + | Temp.Long => l + | Temp.Quad => q end fun ccname E = "e" @@ -135,6 +153,10 @@ struct | ccname LE = "le" | ccname G = "g" | ccname L = "l" + | ccname B = "b" + | ccname A = "a" + | ccname AE = "ae" + | ccname BE = "be" (* gives number (color) associated with reg *) fun regtonum EAX = 0 @@ -147,11 +169,11 @@ struct | regtonum R10D = 7 | regtonum R11D = 8 | regtonum EBX = 9 - | regtonum R12D = 10 - | regtonum R13D = 11 - | regtonum R14D = 12 - | regtonum R15D = 13 - | regtonum EBP = 14 (* Dummy numbers -- not permitted for allocation, but there so that we can compare *) + | regtonum EBP = 10 + | regtonum R12D = 11 + | regtonum R13D = 12 + | regtonum R14D = 13 + | regtonum R15D = 14 | regtonum RSP = 15 (* gives reg associated with number (color) *) @@ -165,44 +187,54 @@ struct | numtoreg 7 = R10D | numtoreg 8 = R11D | numtoreg 9 = EBX - | numtoreg 10 = R12D - | numtoreg 11 = R13D - | numtoreg 12 = R14D - | numtoreg 13 = R15D - | numtoreg n = raise ErrorMsg.InternalError ("numtoreg: Unknown register "^(Int.toString n)) + | numtoreg 10 = EBP + | numtoreg 11 = R12D + | numtoreg 12 = R13D + | numtoreg 13 = R14D + | numtoreg 14 = R15D + | numtoreg n = raise ErrorMsg.InternalError ("numtoreg: Invalid register "^(Int.toString n)) (* register compare *) fun regcmp (r1, r2) = Int.compare (regtonum r1, regtonum r2) + fun osize (_,s) = s + fun resize ss (a,_) = (a,ss) + fun getop (a,_) = a (* operand compare; arbitrary order imposed to make * various things easier (e.g. liveness, for sorting) *) - fun cmpoper (REG(reg1), REG(reg2)) = regcmp (reg1, reg2) - | cmpoper (TEMP(temp1), TEMP(temp2)) = Temp.compare (temp1,temp2) - | 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) + fun cmpbasic (REG reg1, REG reg2) = regcmp (reg1, reg2) + | cmpbasic (TEMP temp1, TEMP temp2) = Temp.compare (temp1,temp2) + | cmpbasic (CONST(const1), CONST(const2)) = Word32.compare (const1, const2) + | cmpbasic (REL (r1, i1, m1), REL (r2, i2, m2)) = + let + val orderm = Word32.compare (m1,m2) + val order1 = cmpbasic (getop r1, getop r2) + val order2 = cmpbasic (getop i1, getop i2) + val o1 = if(order1 = EQUAL) then order2 else order1 in - if (regorder = EQUAL) then intorder - else regorder + if (o1 = EQUAL) then orderm + else o1 end - | cmpoper (CONST _, _) = LESS - | cmpoper (REG _, _) = LESS - | cmpoper (REL _, _) = LESS - | cmpoper (_, _) = GREATER + | cmpbasic (CONST _, _) = LESS + | cmpbasic (REG _, _) = LESS + | cmpbasic (REL _, _) = LESS + | cmpbasic (_, _) = GREATER + + fun cmpoper ((o1,s1),(o2,s2)) = (case (cmpbasic (o1,o2)) of EQUAL => Temp.cmpsize (s1,s2) | a => a) + + fun basiceq (REG a, REG b) = a = b + | basiceq (TEMP a, TEMP b) = Temp.eq (a, b) + | basiceq (CONST a, CONST b) = a = b + | basiceq (REL (a1, b1, m1), REL (a2, b2, m2)) = m1 = m2 andalso basiceq (getop a1, getop a2) andalso basiceq (getop b1, getop b2) + | basiceq (_, _) = false + + fun opereq ((o1,s1),(o2,s2)) = basiceq (o1,o2) andalso s1 = s2 - 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 (_, _) = false - structure OperSet = ListSetFn ( struct - type ord_key = oper - val compare = cmpoper + type ord_key = basicop + val compare = cmpbasic end) structure LiveMap = SplayMapFn(struct @@ -214,76 +246,73 @@ struct | opsused ((DIRECTIVE _)::l) = opsused l | opsused ((COMMENT _)::l) = opsused l | opsused ((LABEL _)::l) = opsused l - | opsused ((MOV (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 ((ADD (dst, src))::l) = OperSet.addList (opsused l, [dst, src]) - | opsused ((IDIV (src))::l) = OperSet.addList (opsused l, [src, REG EDX, REG EAX]) - | opsused ((NEG (dst))::l) = OperSet.addList (opsused l, [dst]) - | opsused ((NOT (dst))::l) = OperSet.addList (opsused l, [dst]) - | opsused ((SAL (dst, shft))::l) = OperSet.addList (opsused l, [dst, shft]) - | opsused ((SAR (dst, shft))::l) = OperSet.addList (opsused l, [dst, shft]) - | opsused ((AND (dst, src))::l) = OperSet.addList (opsused l, [dst, src]) - | opsused ((OR (dst, src))::l) = OperSet.addList (opsused l, [dst, src]) - | opsused ((XOR (dst, src))::l) = OperSet.addList (opsused l, [dst, src]) - | opsused ((CMP (dst, src))::l) = OperSet.addList (opsused l, [dst, src]) - | opsused ((TEST (dst, src))::l) = OperSet.addList (opsused l, [dst, src]) - | opsused ((SETcc (c, dst))::l) = OperSet.addList (opsused l, [dst]) + | opsused ((MOV ((dst,_), (src,_)))::l) = OperSet.addList (opsused l, [dst, src]) + | opsused ((MOVSC((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 ((ADD ((dst,_), (src,_)))::l) = OperSet.addList (opsused l, [dst, src]) + | opsused ((IDIV (src,_))::l) = OperSet.addList (opsused l, [src, REG EDX, REG EAX]) + | opsused ((NEG (dst,_))::l) = OperSet.addList (opsused l, [dst]) + | opsused ((NOT (dst,_))::l) = OperSet.addList (opsused l, [dst]) + | opsused ((SAL ((dst,_), (shft,_)))::l) = OperSet.addList (opsused l, [dst, shft]) + | opsused ((SAR ((dst,_), (shft,_)))::l) = OperSet.addList (opsused l, [dst, shft]) + | opsused ((AND ((dst,_), (src,_)))::l) = OperSet.addList (opsused l, [dst, src]) + | opsused ((OR ((dst,_), (src,_)))::l) = OperSet.addList (opsused l, [dst, src]) + | opsused ((XOR ((dst,_), (src,_)))::l) = OperSet.addList (opsused l, [dst, src]) + | opsused ((CMP ((dst,_), (src,_)))::l) = OperSet.addList (opsused l, [dst, src]) + | opsused ((TEST ((dst,_), (src,_)))::l) = OperSet.addList (opsused l, [dst, src]) + | opsused ((SETcc (c, (dst,_)))::l) = OperSet.addList (opsused l, [dst]) + | opsused ((CMOVcc (c, (dst,_), (src,_)))::l) = OperSet.addList (opsused l, [dst, src]) | opsused ((JMP _)::l) = opsused l | opsused ((Jcc _)::l) = opsused l | opsused ((CALL _)::l) = opsused l - | opsused ((MOVZB (dst, src))::l) = OperSet.addList (opsused l, [dst, src]) + | opsused ((MOVZB ((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)) - (* pretty prints an operand *) - fun sfx Byte = "b" - | sfx Word = "w" - | sfx Long = "l" - | sfx Qword = "q" - - fun prettyprint_oper s (REG r) = "%" ^ (regname s r) - | prettyprint_oper s (TEMP t) = (Temp.name t) ^ (sfx s) - | prettyprint_oper _ (CONST c) = "$0x" ^ (Word32.toString c) - | prettyprint_oper _ (REL (r, i)) = (moreDifferentToString i) ^ "(%" ^ (regname Qword r) ^ ")" - | prettyprint_oper _ (STR s) = s - | prettyprint_oper _ (STACKARG i) = "arg#"^Int.toString i + fun pp_oper (REG r, s) = "%" ^ (regname s r) + | pp_oper (TEMP t, _) = (Temp.name t) ^ (Temp.sfx (Temp.size t)) + | pp_oper (CONST c, _) = "$" ^ Word32Signed.toString c + | pp_oper (REL ((CONST n, _), _, _), _) = Word32Signed.toString n + | pp_oper (REL (r, (CONST n, _), _), _) = (Word32Signed.toString n) ^ "(" ^ (pp_oper r) ^ ")" + | pp_oper (REL (r1, r2, m), _) = "(" ^ (pp_oper r1) ^ "," ^ (pp_oper r2) ^ "," ^ + (Word32.toString m) ^ ")" + | pp_oper (STACKARG i, _) = "arg#"^Int.toString i - (* 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 -(* | prettyprint _ = raise ErrorMsg.InternalError ("prettyprint: Type A? Hatchar de coneccion?")*) + (* pretty prints the asm *) + fun print (DIRECTIVE(str)) = str ^ "\n" + | print (COMMENT(str)) = "// " ^ str ^ "\n" + | print (LABEL(l)) = Label.name l ^ ":\n" + | print (LEA(dst, src)) = "\tlea" ^ (Temp.sfx (osize dst)) ^ "\t" ^ (pp_oper src) ^ ", " ^ (pp_oper dst) ^ "\n" + | print (MOV(dst, src)) = "\tmov" ^ (Temp.sfx (osize dst)) ^ "\t" ^ (pp_oper src) ^ ", " ^ (pp_oper dst) ^ "\n" + | print (MOVSC((d,Temp.Long), (s,Temp.Quad))) = "\tmov" ^ (Temp.sfx Temp.Long) ^ "\t" ^ (pp_oper (s,Temp.Long)) ^ ", " ^ (pp_oper (d,Temp.Long)) ^ " // sex change\n" + | print (MOVSC((d,Temp.Quad), (s,Temp.Long))) = "\tmov" ^ (Temp.sfx Temp.Long) ^ "\t" ^ (pp_oper (s,Temp.Long)) ^ ", " ^ (pp_oper (d,Temp.Long)) ^ " // sex change\n" + | print (MOVSC(_,_)) = raise ErrorMsg.InternalError "invalid size change" + | print (SUB(dst, src)) = "\tsub" ^ (Temp.sfx (osize dst)) ^ "\t" ^ (pp_oper src) ^ ", " ^ (pp_oper dst) ^ "\n" + | print (IMUL(dst, src)) = "\timul" ^ (Temp.sfx (osize dst)) ^ "\t" ^ (pp_oper src) ^ ", " ^ (pp_oper dst) ^ "\n" + | print (IMUL3(dst, tmp, const)) = "\timul" ^ (Temp.sfx (osize dst)) ^ "\t" ^ (pp_oper (CONST const, Temp.Long)) ^ ", " ^ (pp_oper tmp) ^ ", " ^ (pp_oper dst) ^ "\n" + | print (ADD(dst, src)) = "\tadd" ^ (Temp.sfx (osize dst)) ^ "\t" ^ (pp_oper src) ^ ", " ^ (pp_oper dst) ^ "\n" + | print (IDIV(src)) = "\tidiv" ^ (Temp.sfx (osize src)) ^ "\t" ^ (pp_oper src) ^ "\n" + | print (NEG (dst)) = "\tneg" ^ (Temp.sfx (osize dst)) ^ "\t" ^ (pp_oper dst) ^ "\n" + | print (NOT (dst)) = "\tnot" ^ (Temp.sfx (osize dst)) ^ "\t" ^ (pp_oper dst) ^ "\n" + | print (SAL (dst, shft)) = "\tsal" ^ (Temp.sfx (osize dst)) ^ "\t" ^ (pp_oper shft) ^ ", " ^ (pp_oper dst) ^ "\n" + | print (SAR (dst, shft)) = "\tsar" ^ (Temp.sfx (osize dst)) ^ "\t" ^ (pp_oper shft) ^ ", " ^ (pp_oper dst) ^ "\n" + | print (AND (dst, src)) = "\tand" ^ (Temp.sfx (osize dst)) ^ "\t" ^ (pp_oper src) ^ ", " ^ (pp_oper dst) ^ "\n" + | print (OR (dst, src)) = "\tor" ^ (Temp.sfx (osize dst)) ^ "\t" ^ (pp_oper src) ^ ", " ^ (pp_oper dst) ^ "\n" + | print (XOR (dst, src)) = "\txor" ^ (Temp.sfx (osize dst)) ^ "\t" ^ (pp_oper src) ^ ", " ^ (pp_oper dst) ^ "\n" + | print (CMP (dst, src)) = "\tcmp" ^ (Temp.sfx (osize dst)) ^ "\t" ^ (pp_oper src) ^ ", " ^ (pp_oper dst) ^ "\n" + | print (TEST (dst, src)) = "\ttest" ^ (Temp.sfx (osize dst)) ^ "\t" ^ (pp_oper src) ^ ", " ^ (pp_oper dst) ^ "\n" + | print (SETcc (c, dst)) = "\tset" ^ (ccname c) ^ "\t" ^ (pp_oper dst) ^ "\n" + | print (CMOVcc (c, dst, src)) = "\tcmov" ^ (ccname c) ^ "\t" ^ (pp_oper src) ^ ", " ^ (pp_oper dst) ^ "\n" + | print (JMP (label)) = "\tjmp\t" ^ (Label.name label) ^ "\n" + | print (Jcc (c,label)) = "\tj" ^ (ccname c) ^ "\t" ^ (Label.name label) ^ "\n" + | print (CALL (l,n)) = "\tcall\t" ^ Symbol.name l ^ "\t # (" ^ Int.toString n ^ "args)\n" + | print (MOVZB (dst, src)) = "\tmovzb" ^ (Temp.sfx (osize dst)) ^ "\t" ^ (pp_oper src) ^ ", " ^ (pp_oper dst) ^ "\n" + | print (CLTD) = "\tcltd\n" + | print (RET) = "\tret\n" + | print (LIVEIGN i) = print i end