Add string pasting support to the gramamr.

[snipe.git] / codegen / blarg.sml

diff --git a/codegen/blarg.sml b/codegen/blarg.sml
index 797ab3e1c5b9a83919aa9723054b850b0020a42d..4df4d4851819e5ca998386242556bf209b2705f0 100644 (file)
--- a/codegen/blarg.sml
+++ b/codegen/blarg.sml
@@ -8,17 +8,18 @@ signature BLARG =
 sig
   (* register type *)
   datatype reg =
-    R0 | R1 | R2 | R3 | FR | SP | PC
+    R0 | R1 | R2 | R3 | R4 | R5 | R6 | R7 | R8 | R9 | R10 | R11 | R12 | FR | SP | PC
   (* operands to instructions *)
   datatype oper = REG of reg |
                      TEMP of Temp.temp |
                      STACKARG of int
-  datatype pred = NV | NE | EQ | LT | GT | AL
+  datatype pred = NV | NE | EQ | LT | GT | LE | GE | AL
   (* instructions *)
   datatype opc =
     MOVLIT of oper * word |
     MOVSYM of oper * Symbol.symbol |
     MOVLBL of oper * Label.label |
+    MOVSTR of oper * Stringref.stringref |
     LDR of oper * oper |
     STO of oper * oper |
     MOV of oper * oper |
@@ -65,17 +66,18 @@ struct
 
 (* register type *)
   datatype reg =
-    R0 | R1 | R2 | R3 | FR | SP | PC
+    R0 | R1 | R2 | R3 | R4 | R5 | R6 | R7 | R8 | R9 | R10 | R11 | R12 | FR | SP | PC
   (* operands to instructions *)
   datatype oper = REG of reg |
                   TEMP of Temp.temp |
                   STACKARG of int
-  datatype pred = NV | NE | EQ | LT | GT | AL
+  datatype pred = NV | NE | EQ | LT | GT | LE | GE | AL
   (* instructions *)
   datatype opc =
     MOVLIT of oper * word |
     MOVSYM of oper * Symbol.symbol |
     MOVLBL of oper * Label.label |
+    MOVSTR of oper * Stringref.stringref |
     LDR of oper * oper |
     STO of oper * oper |
     MOV of oper * oper |
@@ -109,6 +111,15 @@ struct
       (R1, "r1"),
       (R2, "r2"),
       (R3, "r3"),
+      (R4, "r4"),
+      (R5, "r5"),
+      (R6, "r6"),
+      (R7, "r7"),
+      (R8, "r8"),
+      (R9, "r9"),
+      (R10, "r10"),
+      (R11, "r11"),
+      (R12, "r12"),
       (FR, "fr"),
       (SP, "sp"),
       (PC, "pc") ];
@@ -125,6 +136,8 @@ struct
     | predname EQ = "eq"
     | predname LT = "lt"
     | predname GT = "gt"
+    | predname GE = "ge"
+    | predname LE = "le"
     | predname AL = ""
 
   (* gives number (color) associated with reg *)
@@ -132,13 +145,33 @@ struct
     | regtonum R1 = 1
     | regtonum R2 = 2
     | regtonum R3 = 3
-    | regtonum _ = raise ErrorMsg.InternalError ("regtonum: Invalid register")
+    | regtonum R4 = 4
+    | regtonum R5 = 5
+    | regtonum R6 = 6
+    | regtonum R7 = 7
+    | regtonum R8 = 8
+    | regtonum R9 = 9
+    | regtonum R10 = 10
+    | regtonum R11 = 11
+    | regtonum R12 = 12
+    | regtonum FR = 13
+    | regtonum SP = 14
+    | regtonum PC = 15
 
   (* gives reg associated with number (color) *)
   fun numtoreg 0 = R0
     | numtoreg 1 = R1
     | numtoreg 2 = R2
     | numtoreg 3 = R3
+    | numtoreg 4 = R4
+    | numtoreg 5 = R5
+    | numtoreg 6 = R6
+    | numtoreg 7 = R7
+    | numtoreg 8 = R8
+    | numtoreg 9 = R9
+    | numtoreg 10 = R10
+    | numtoreg 11 = R11
+    | numtoreg 12 = R12
     | numtoreg n = raise ErrorMsg.InternalError ("numtoreg: Invalid register "^(Int.toString n))
 
   (* register compare *)
@@ -167,13 +200,14 @@ struct
                                    val compare = Int.compare
                                  end)
   
-  fun pp_oper (REG r) = "%" ^ (regname r)
+  fun pp_oper (REG r) = (regname r)
     | pp_oper (TEMP t) = (Temp.name t)
     | pp_oper (STACKARG i) = "arg#"^Int.toString i
   
-  fun pp_insn pr (MOVLIT (d, w)) = "\tmov"^pr^" "^(pp_oper d)^", #"^(Word.toString w)^"\n"
+  fun pp_insn pr (MOVLIT (d, w)) = "\tmov"^pr^" "^(pp_oper d)^", #0x"^(Word.toString w)^"\n"
     | pp_insn pr (MOVSYM (d, s)) = "\tmov"^pr^" "^(pp_oper d)^", #"^(Symbol.name s)^"\n"
     | pp_insn pr (MOVLBL (d, l)) = "\tmov"^pr^" "^(pp_oper d)^", #"^(Label.name l)^"\n"
+    | pp_insn pr (MOVSTR (d, s)) = "\tmov"^pr^" "^(pp_oper d)^", #"^(Stringref.name s)^"\n"
     | pp_insn pr (LDR (d, s)) = "\tldr"^pr^" "^(pp_oper d)^", ["^(pp_oper s)^"]\n"
     | pp_insn pr (STO (d, s)) = "\tsto"^pr^" ["^(pp_oper d)^"], "^(pp_oper s)^"\n"
     | pp_insn pr (MOV (d, s)) = "\tmov"^pr^" "^(pp_oper d)^", "^(pp_oper s)^"\n"
@@ -188,13 +222,13 @@ struct
     | pp_insn pr (NOTS (d, s)) = "\tnots"^pr^" "^(pp_oper d)^", "^(pp_oper s)^"\n"
     | pp_insn pr (PUSH (d, s)) = "\tpush"^pr^" "^(pp_oper d)^", "^(pp_oper s)^"\n"
     | pp_insn pr (POP (d, s)) = "\tpop"^pr^" "^(pp_oper d)^", "^(pp_oper s)^"\n"
-    | pp_insn pr (CALL (d, s, n)) = "\tcall"^pr^" "^(pp_oper d)^", "^(pp_oper s)^" # ("^(Int.toString n)^" args)\n"
+    | pp_insn pr (CALL (d, s, n)) = "\tcall"^pr^" "^(pp_oper d)^", "^(pp_oper s)^" @ ("^(Int.toString n)^" args)\n"
     | pp_insn pr (SHR (d, s)) = "\tshr"^pr^" "^(pp_oper d)^", "^(pp_oper s)^"\n"
     | pp_insn pr (SHL (d, s)) = "\tshl"^pr^" "^(pp_oper d)^", "^(pp_oper s)^"\n"
     
   (* pretty prints the asm *)
   fun print (DIRECTIVE(str)) = str ^ "\n"
-    | print (COMMENT(str)) = "// " ^ str ^ "\n"
+    | print (COMMENT(str)) = "@ " ^ str ^ "\n"
     | print (LABEL(l)) = Label.name l ^ ":\n"
     | print (INSN (pred, insn)) = pp_insn (predname pred) insn
     | print (LIVEIGN i) = print i