Implemented an assembler

src/ssa/IR.go

@@ -1,9 +1,5 @@
 package ssa
 
-import (
-	"git.urbach.dev/cli/q/src/cpu"
-)
-
 // IR is a list of basic blocks.
 type IR struct {
 	Blocks []*Block
@@ -44,8 +40,8 @@ func (f *IR) AppendInt(x int) *Int {
 }
 
 // AppendRegister adds a new register value to the last block.
-func (f *IR) AppendRegister(reg cpu.Register) *Register {
-	v := &Register{Register: reg}
+func (f *IR) AppendRegister(index int) *Parameter {
+	v := &Parameter{Index: uint8(index)}
 	f.Append(v)
 	return v
 }

src/ssa/Parameter.go

@@ -0,0 +1,31 @@
+package ssa
+
+import "fmt"
+
+type Parameter struct {
+	Index uint8
+	Liveness
+	HasToken
+}
+
+func (v *Parameter) Dependencies() []Value {
+	return nil
+}
+
+func (a *Parameter) Equals(v Value) bool {
+	b, sameType := v.(*Parameter)
+
+	if !sameType {
+		return false
+	}
+
+	return a.Index == b.Index
+}
+
+func (v *Parameter) IsConst() bool {
+	return true
+}
+
+func (v *Parameter) String() string {
+	return fmt.Sprintf("arg[%d]", v.Index)
+}

src/ssa/Register.go

@@ -1,31 +0,0 @@
-package ssa
-
-import "git.urbach.dev/cli/q/src/cpu"
-
-type Register struct {
-	Register cpu.Register
-	Liveness
-	HasToken
-}
-
-func (v *Register) Dependencies() []Value {
-	return nil
-}
-
-func (a *Register) Equals(v Value) bool {
-	b, sameType := v.(*Register)
-
-	if !sameType {
-		return false
-	}
-
-	return a.Register == b.Register
-}
-
-func (v *Register) IsConst() bool {
-	return true
-}
-
-func (v *Register) String() string {
-	return v.Register.String()
-}