From b2323713eee1b61b375dba6142c31c3f922361ad Mon Sep 17 00:00:00 2001
From: Recolic Keghart <root@recolic.net>
Date: Thu, 2 May 2019 00:31:00 -0700
Subject: [PATCH] FINAL
---
src/main/java/chocopy/pa3/CodeGenImpl.java | 10 ++--------
1 file changed, 2 insertions(+), 8 deletions(-)
diff --git a/src/main/java/chocopy/pa3/CodeGenImpl.java b/src/main/java/chocopy/pa3/CodeGenImpl.java
index b2a79b6..8b7a059 100644
--- a/src/main/java/chocopy/pa3/CodeGenImpl.java
+++ b/src/main/java/chocopy/pa3/CodeGenImpl.java
@@ -183,8 +183,6 @@ public class CodeGenImpl extends CodeGenBase {
emitPush(tmpReg, null);
backend.emitMV(tmpReg, SP, "Return STR OBJ address.");
}
-
-
}
// Every function needs a register manager.
@@ -466,13 +464,8 @@ public class CodeGenImpl extends CodeGenBase {
epilogue = generateLocalLabel();
}
- // FIXME: Example of statement.
@Override
public RiscVBackend.Register analyze(ReturnStmt node) {
- // FIXME: Here, we emit an instruction that does nothing. Clearly,
- // this is wrong, and you'll have to fix it.
- // This is here just to demonstrate how to emit a
- // RISC-V instruction.
RiscVBackend.Register returnValReg = node.value.dispatch(this);
if (returnValReg == null)
return null;
@@ -505,7 +498,8 @@ public class CodeGenImpl extends CodeGenBase {
@Override
public RiscVBackend.Register analyze(ExprStmt node) {
- node.expr.dispatch(this);
+ RiscVBackend.Register ret = node.expr.dispatch(this);
+ regMgr.returnOne(ret);
return null;
}
--
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