Fix some stupid bugs in code generation.

[snipe.git] / codegen / liveness.sml

diff --git a/codegen/liveness.sml b/codegen/liveness.sml
index 72df2485016bc58ac9dc8693b6320180aa154a40..6a7d89b5f65bfbf1c53e0b8054da92dabcddee4c 100644 (file)
--- a/codegen/liveness.sml
+++ b/codegen/liveness.sml
@@ -99,8 +99,8 @@ struct
       (* val gendef : ident * X.insn -> ident * pred list
        * generates the def/use/succ predicates for a single insn
        *)
-      fun gendef (n, X.DIRECTIVE(_))           = (nil)
-        | gendef (n, X.COMMENT(_))             = (nil)
+      fun gendef (n, X.DIRECTIVE(_))           = ([SUCC (n+1)])
+        | gendef (n, X.COMMENT(_))             = ([SUCC (n+1)])
         | gendef (n, X.LIVEIGN (_))            = ([SUCC (n+1)])
         | gendef (n, X.LABEL l)                = ([SUCC (n+1)])
         | gendef (n, X.INSN(X.NV, _))          = ([SUCC (n+1)])
@@ -127,8 +127,12 @@ struct
         | gendef (n, X.INSN(_, X.POP(X.REG X.SP, X.REG X.PC))) = ([USE (X.REG X.R0), SUCC(n+1)])
         | gendef (n, X.INSN(_, X.POP(X.REG X.SP, src))) = (defhit src @ [SUCC (n+1)])
         | gendef (n, X.INSN(_, X.POP(_, _))) = raise ErrorMsg.InternalError "POP with sp != SP"
-        | gendef (n, X.INSN(_, X.CALL(X.REG X.SP, src, a))) = (callhit a @ usehit src @ [DEF(X.REG(X.R0)), DEF(X.REG(X.R1)), DEF(X.REG(X.R2)),
-                                                               DEF(X.REG(X.R3)), SUCC(n+1)])
+        | gendef (n, X.INSN(_, X.CALL(X.REG X.SP, src, a))) = (callhit a @
+                                                               usehit src @
+                                                               [DEF(X.REG(X.R0)), DEF(X.REG(X.R1)), DEF(X.REG(X.R2)), DEF(X.REG(X.R3)),
+                                                                DEF(X.REG(X.R4)), DEF(X.REG(X.R5)),
+                                                                SUCC(n+1)]
+                                                              )
         | gendef (n, X.INSN(_, X.CALL(_, _, _))) = raise ErrorMsg.InternalError "CALL with sp != SP"
         | gendef (n, X.INSN(_, X.SHR(dest, src))) = (defhit dest @ usehit dest @ usehit src @ [SUCC (n+1)])
         | gendef (n, X.INSN(_, X.SHL(dest, src))) = (defhit dest @ usehit dest @ usehit src @ [SUCC (n+1)])