Move PORTS into CodeGen

8 files changed, 51 insertions, 56 deletions

diff --git a/chapter21/src/main/java/com/seaofnodes/simple/codegen/CodeGen.java b/chapter21/src/main/java/com/seaofnodes/simple/codegen/CodeGen.java
index 43501a9b..32c41b16 100644
--- a/chapter21/src/main/java/com/seaofnodes/simple/codegen/CodeGen.java
+++ b/chapter21/src/main/java/com/seaofnodes/simple/codegen/CodeGen.java
@@ -12,6 +12,7 @@ import java.util.IdentityHashMap;
 
 @SuppressWarnings("unchecked")
 public class CodeGen {
+    public static final String PORTS = "com.seaofnodes.simple.node.cpus";
     // Last created CodeGen as a global; used all over to avoid passing about a
     // "context".
     public static CodeGen CODE;
@@ -181,7 +182,8 @@ public class CodeGen {
 
     // Convert to target hardware nodes
     public int _tInsSel;
-    public CodeGen instSelect( String base, String cpu, String callingConv ) {
+    public CodeGen instSelect( String cpu, String callingConv ) { return instSelect(cpu,callingConv,PORTS); }
+    public CodeGen instSelect( String cpu, String callingConv, String base ) {
         assert _phase.ordinal() <= Phase.TypeCheck.ordinal();
         _phase = Phase.InstSelect;
 
diff --git a/chapter21/src/main/java/com/seaofnodes/simple/codegen/ElfFile.java b/chapter21/src/main/java/com/seaofnodes/simple/codegen/ElfFile.java
index 32fd99a8..6aed0fae 100644
--- a/chapter21/src/main/java/com/seaofnodes/simple/codegen/ElfFile.java
+++ b/chapter21/src/main/java/com/seaofnodes/simple/codegen/ElfFile.java
@@ -351,7 +351,8 @@ public class ElfFile {
         assert out.position() == size;
 
         File file = new File(fname);
-        file.getParentFile().mkdirs();
+        if( file.getParentFile()!=null )
+          file.getParentFile().mkdirs();
         BufferedOutputStream bos = new BufferedOutputStream(new FileOutputStream(file));
         bos.write(out.array());
         bos.close();
diff --git a/chapter21/src/test/java/com/seaofnodes/simple/BrainFuckTest.java b/chapter21/src/test/java/com/seaofnodes/simple/BrainFuckTest.java
index eb88ecc1..ba852c9e 100644
--- a/chapter21/src/test/java/com/seaofnodes/simple/BrainFuckTest.java
+++ b/chapter21/src/test/java/com/seaofnodes/simple/BrainFuckTest.java
@@ -5,7 +5,6 @@ import java.nio.charset.StandardCharsets;
 import org.junit.Test;
 import static org.junit.Assert.assertEquals;
 import static org.junit.Assert.fail;
-import static com.seaofnodes.simple.Main.PORTS;
 
 public class BrainFuckTest {
 
diff --git a/chapter21/src/test/java/com/seaofnodes/simple/Chapter19Test.java b/chapter21/src/test/java/com/seaofnodes/simple/Chapter19Test.java
index 9d228f54..fbc3c662 100644
--- a/chapter21/src/test/java/com/seaofnodes/simple/Chapter19Test.java
+++ b/chapter21/src/test/java/com/seaofnodes/simple/Chapter19Test.java
@@ -6,7 +6,6 @@ import java.nio.file.Files;
 import java.nio.file.Path;
 import org.junit.Ignore;
 import org.junit.Test;
-import static com.seaofnodes.simple.Main.PORTS;
 import static org.junit.Assert.*;
 import static org.junit.Assert.fail;
 
@@ -33,98 +32,98 @@ return 0;
 
     @Test
     public void testBasic0() {
-        CodeGen code = new CodeGen("return 0;").parse().opto().typeCheck().instSelect(PORTS,"x86_64_v2", "SystemV").GCM().localSched();
+        CodeGen code = new CodeGen("return 0;").parse().opto().typeCheck().instSelect("x86_64_v2", "SystemV").GCM().localSched();
         assertEquals("return 0;", code._stop.toString());
     }
 
     @Test
     public void testBasic1() {
-        CodeGen code = new CodeGen("return arg+1;").parse().opto().typeCheck().instSelect(PORTS,"x86_64_v2", "SystemV").GCM().localSched();
+        CodeGen code = new CodeGen("return arg+1;").parse().opto().typeCheck().instSelect("x86_64_v2", "SystemV").GCM().localSched();
         assertEquals("return (inc,arg);", code._stop.toString());
     }
 
     @Test
     public void testBasic2() {
-        CodeGen code = new CodeGen("return -17;").parse().opto().typeCheck().instSelect(PORTS,"x86_64_v2", "SystemV").GCM().localSched();
+        CodeGen code = new CodeGen("return -17;").parse().opto().typeCheck().instSelect("x86_64_v2", "SystemV").GCM().localSched();
         assertEquals("return -17;", code._stop.toString());
     }
 
 
     @Test
     public void testBasic3() {
-        CodeGen code = new CodeGen("return arg==1;").parse().opto().typeCheck().instSelect(PORTS,"x86_64_v2", "SystemV").GCM().localSched();
+        CodeGen code = new CodeGen("return arg==1;").parse().opto().typeCheck().instSelect("x86_64_v2", "SystemV").GCM().localSched();
         assertEquals("return (set==,(cmp,arg));", code._stop.toString());
     }
 
     @Test
     public void testBasic4() {
-        CodeGen code = new CodeGen("return arg<<1;").parse().opto().typeCheck().instSelect(PORTS,"x86_64_v2", "SystemV").GCM().localSched();
+        CodeGen code = new CodeGen("return arg<<1;").parse().opto().typeCheck().instSelect("x86_64_v2", "SystemV").GCM().localSched();
         assertEquals("return (shli,arg);", code._stop.toString());
     }
 
     @Test
     public void testBasic5() {
-        CodeGen code = new CodeGen("return arg >> 1;").parse().opto().typeCheck().instSelect(PORTS,"x86_64_v2", "SystemV").GCM().localSched();
+        CodeGen code = new CodeGen("return arg >> 1;").parse().opto().typeCheck().instSelect("x86_64_v2", "SystemV").GCM().localSched();
         assertEquals("return (sari,arg);", code._stop.toString());
     }
 
     @Test
     public void testBasic6() {
-        CodeGen code = new CodeGen("return arg >>> 1;").parse().opto().typeCheck().instSelect(PORTS,"x86_64_v2", "SystemV").GCM().localSched();
+        CodeGen code = new CodeGen("return arg >>> 1;").parse().opto().typeCheck().instSelect("x86_64_v2", "SystemV").GCM().localSched();
         assertEquals("return (shri,arg);", code._stop.toString());
     }
 
     @Test
     public void testBasic7() {
-        CodeGen code = new CodeGen("return arg / 2;").parse().opto().typeCheck().instSelect(PORTS,"x86_64_v2", "SystemV").GCM().localSched();
+        CodeGen code = new CodeGen("return arg / 2;").parse().opto().typeCheck().instSelect("x86_64_v2", "SystemV").GCM().localSched();
         assertEquals("return (div,arg,2);", code._stop.toString());
     }
 
     @Test
     public void testBasic8() {
-        CodeGen code = new CodeGen("return arg * 6;").parse().opto().typeCheck().instSelect(PORTS,"x86_64_v2", "SystemV").GCM().localSched();
+        CodeGen code = new CodeGen("return arg * 6;").parse().opto().typeCheck().instSelect("x86_64_v2", "SystemV").GCM().localSched();
         assertEquals("return (muli,arg);", code._stop.toString());
     }
 
     @Test
     public void testBasic9() {
-        CodeGen code = new CodeGen("return arg & 2;").parse().opto().typeCheck().instSelect(PORTS,"x86_64_v2", "SystemV").GCM().localSched();
+        CodeGen code = new CodeGen("return arg & 2;").parse().opto().typeCheck().instSelect("x86_64_v2", "SystemV").GCM().localSched();
         assertEquals("return (andi,arg);", code._stop.toString());
     }
 
     @Test
     public void testBasic10() {
-        CodeGen code = new CodeGen("return arg | 2;").parse().opto().typeCheck().instSelect(PORTS,"x86_64_v2", "SystemV").GCM().localSched();
+        CodeGen code = new CodeGen("return arg | 2;").parse().opto().typeCheck().instSelect("x86_64_v2", "SystemV").GCM().localSched();
         assertEquals("return (ori,arg);", code._stop.toString());
     }
 
     @Test
     public void testBasic11() {
-        CodeGen code = new CodeGen("return arg ^ 2;").parse().opto().typeCheck().instSelect(PORTS,"x86_64_v2", "SystemV").GCM().localSched();
+        CodeGen code = new CodeGen("return arg ^ 2;").parse().opto().typeCheck().instSelect("x86_64_v2", "SystemV").GCM().localSched();
         assertEquals("return (xori,arg);", code._stop.toString());
     }
 
     @Test
     public void testBasic12() {
-        CodeGen code = new CodeGen("return arg + 2.0;").parse().opto().typeCheck().instSelect(PORTS,"x86_64_v2", "SystemV").GCM().localSched();
+        CodeGen code = new CodeGen("return arg + 2.0;").parse().opto().typeCheck().instSelect("x86_64_v2", "SystemV").GCM().localSched();
         assertEquals("return (addf,(cvtf,arg),2.0f);", code._stop.toString());
     }
 
     @Test
     public void testBasic13() {
-        CodeGen code = new CodeGen("return arg - 2.0;").parse().opto().typeCheck().instSelect(PORTS,"x86_64_v2", "SystemV").GCM().localSched();
+        CodeGen code = new CodeGen("return arg - 2.0;").parse().opto().typeCheck().instSelect("x86_64_v2", "SystemV").GCM().localSched();
         assertEquals("return (subf,(cvtf,arg),2.0f);", code._stop.toString());
     }
 
     @Test
     public void testBasic14() {
-        CodeGen code = new CodeGen("return arg * 2.0;").parse().opto().typeCheck().instSelect(PORTS,"x86_64_v2", "SystemV").GCM().localSched();
+        CodeGen code = new CodeGen("return arg * 2.0;").parse().opto().typeCheck().instSelect("x86_64_v2", "SystemV").GCM().localSched();
         assertEquals("return (mulf,(cvtf,arg),2.0f);", code._stop.toString());
     }
 
     @Test
     public void testBasic15() {
-        CodeGen code = new CodeGen("return arg / 2.0;").parse().opto().typeCheck().instSelect(PORTS,"x86_64_v2", "SystemV").GCM().localSched();
+        CodeGen code = new CodeGen("return arg / 2.0;").parse().opto().typeCheck().instSelect("x86_64_v2", "SystemV").GCM().localSched();
         assertEquals("return (mulf,(cvtf,arg),0.5f);", code._stop.toString());
     }
 
@@ -134,7 +133,7 @@ return 0;
 """
 int arg1 =  arg + 1;
 return arg1 / arg;""");
-        code.parse().opto().typeCheck().instSelect(PORTS,"x86_64_v2", "SystemV").GCM().localSched();
+        code.parse().opto().typeCheck().instSelect("x86_64_v2", "SystemV").GCM().localSched();
         assertEquals("return (div,(inc,arg),arg);", code._stop.toString());
     }
 
@@ -145,7 +144,7 @@ return arg1 / arg;""");
 int arg1 =  arg + 1;
 return arg1 * arg;
 """);
-        code.parse().opto().typeCheck().instSelect(PORTS,"x86_64_v2", "SystemV").GCM().localSched();
+        code.parse().opto().typeCheck().instSelect("x86_64_v2", "SystemV").GCM().localSched();
         assertEquals("return (mul,(inc,arg),arg);", code._stop.toString());
     }
 
@@ -155,7 +154,7 @@ return arg1 * arg;
                 int a = arg;
                 return a + 2.0;
                 """
-        ).parse().opto().typeCheck().instSelect(PORTS,"x86_64_v2", "SystemV").GCM().localSched();
+        ).parse().opto().typeCheck().instSelect("x86_64_v2", "SystemV").GCM().localSched();
         assertEquals("return (addf,(cvtf,arg),2.0f);", code._stop.toString());
     }
 
@@ -170,7 +169,7 @@ else {
     a = arg-3;
 }
 return a;""");
-        code.parse().opto().typeCheck().instSelect(PORTS,"x86_64_v2", "SystemV").GCM().localSched();
+        code.parse().opto().typeCheck().instSelect("x86_64_v2", "SystemV").GCM().localSched();
         assertEquals("return Phi(Region,(addi,arg),(addi,arg));", code.print());
     }
 
@@ -185,7 +184,7 @@ if( arg==1 )
 else
     a=b+1;
 return a+b;""");
-        code.parse().opto().typeCheck().instSelect(PORTS,"x86_64_v2", "SystemV").GCM().localSched();
+        code.parse().opto().typeCheck().instSelect("x86_64_v2", "SystemV").GCM().localSched();
         assertEquals("return (add,(add,Phi(Region,(shli,arg),arg),arg),Phi(Region,4,5));", code.print());
     }
 
@@ -197,7 +196,7 @@ int sum=0;
 for( int i=0; i<arg; i++ )
     sum += i;
 return sum;""");
-        code.parse().opto().typeCheck().instSelect(PORTS,"x86_64_v2", "SystemV").GCM().localSched();
+        code.parse().opto().typeCheck().instSelect("x86_64_v2", "SystemV").GCM().localSched();
         assertEquals("return Phi(Loop,0,(add,Phi_sum,Phi(Loop,0,(inc,Phi_i))));", code.print());
     }
 
@@ -207,42 +206,42 @@ return sum;""");
 """
 struct S { int a; S? c; };
 return new S;""");
-        code.parse().opto().typeCheck().instSelect(PORTS,"x86_64_v2", "SystemV").GCM().localSched();
+        code.parse().opto().typeCheck().instSelect("x86_64_v2", "SystemV").GCM().localSched();
         assertEquals("return S;", code.print());
     }
 
     @Test
     public void testLea1() {
         CodeGen code = new CodeGen("int x = arg/3; return arg+x+7;");
-        code.parse().opto().typeCheck().instSelect(PORTS,"x86_64_v2",  "SystemV").GCM().localSched();
+        code.parse().opto().typeCheck().instSelect("x86_64_v2",  "SystemV").GCM().localSched();
         assertEquals("return (lea,arg,(div,arg,3));", code.print());
     }
 
     @Test
     public void testLea2() {
         CodeGen code = new CodeGen("int x = arg/3; return arg+x*4+7;");
-        code.parse().opto().typeCheck().instSelect(PORTS,"x86_64_v2", "SystemV").GCM().localSched();
+        code.parse().opto().typeCheck().instSelect("x86_64_v2", "SystemV").GCM().localSched();
         assertEquals("return (lea,arg,(div,arg,3));", code.print());
     }
 
     @Test
     public void testLea3() {
         CodeGen code = new CodeGen("int x = arg/3; return x*4+arg;");
-        code.parse().opto().typeCheck().instSelect(PORTS,"x86_64_v2",  "SystemV").GCM().localSched();
+        code.parse().opto().typeCheck().instSelect("x86_64_v2",  "SystemV").GCM().localSched();
         assertEquals("return (lea,arg,(div,arg,3));", code.print());
     }
 
     @Test
     public void testAlloc2() {
         CodeGen code = new CodeGen("int[] !xs = new int[3]; xs[arg]=1; return xs[arg&1];");
-        code.parse().opto().typeCheck().instSelect(PORTS,"x86_64_v2", "SystemV").GCM().localSched();
+        code.parse().opto().typeCheck().instSelect("x86_64_v2", "SystemV").GCM().localSched();
         assertEquals("return .[];", code.print());
     }
 
     @Test
     public void testAlloc3() {
         CodeGen code = new CodeGen("int[] !xs = new int[3]; xs[arg]=1; return xs[arg&1]+3;");
-        code.parse().opto().typeCheck().instSelect(PORTS,"x86_64_v2", "SystemV").GCM().localSched();
+        code.parse().opto().typeCheck().instSelect("x86_64_v2", "SystemV").GCM().localSched();
         assertEquals("return .[];", code.print());
     }
 
@@ -259,7 +258,7 @@ for( int i=0; i<ary#-1; i++ )
     ary[i+1] += ary[i];
 return ary[1] * 1000 + ary[3]; // 1 * 1000 + 6
 """);
-        code.parse().opto().typeCheck().instSelect(PORTS,"x86_64_v2", "SystemV").GCM().localSched();
+        code.parse().opto().typeCheck().instSelect("x86_64_v2", "SystemV").GCM().localSched();
         assertEquals("return .[];", code.print());
     }
 
@@ -274,7 +273,7 @@ for( int i=0; i<A#; i++ )
 for( int i=0; i<A#; i++ )
     B[i] += A[i];
 """);
-        code.parse().opto().typeCheck().instSelect(PORTS,"x86_64_v2", "SystemV").GCM().localSched();
+        code.parse().opto().typeCheck().instSelect("x86_64_v2", "SystemV").GCM().localSched();
         assertEquals("return 0;", code.print());
     }
 
@@ -287,7 +286,7 @@ for( int i=0; i<A#; i++ )
     A[i]++;
 return A[1];
 """);
-        code.parse().opto().typeCheck().instSelect(PORTS,"x86_64_v2", "SystemV").GCM().localSched();
+        code.parse().opto().typeCheck().instSelect("x86_64_v2", "SystemV").GCM().localSched();
         assertEquals("return .[];", code.print());
     }
 
@@ -295,7 +294,7 @@ return A[1];
     public void testNewton() throws IOException {
         String src = Files.readString(Path.of("src/test/java/com/seaofnodes/simple/progs/newtonFloat.smp"))
             + "flt farg = arg;  return sqrt(farg);";
-        CodeGen code = new CodeGen(src).parse().opto().typeCheck().instSelect(PORTS,"x86_64_v2", "SystemV").GCM().localSched();
+        CodeGen code = new CodeGen(src).parse().opto().typeCheck().instSelect("x86_64_v2", "SystemV").GCM().localSched();
         assertEquals("return Phi(Loop,(cvtf,arg),(mulf,(addf,(divf,cvtf,Phi_guess),Phi_guess),0.5f));", code.print());
     };
 
@@ -303,7 +302,7 @@ return A[1];
     @Test
     public void sieveOfEratosthenes() throws IOException {
         String src = Files.readString(Path.of("src/test/java/com/seaofnodes/simple/progs/sieve.smp"));
-        CodeGen code = new CodeGen(src).parse().opto().typeCheck().instSelect(PORTS,"x86_64_v2", "SystemV").GCM().localSched();
+        CodeGen code = new CodeGen(src).parse().opto().typeCheck().instSelect("x86_64_v2", "SystemV").GCM().localSched();
         assertEquals("return [int];", code.print());
         //assertEquals("int[ 2,3,5,7,11,13,17,19]",Eval2.eval(code, 20));
     }
@@ -316,7 +315,7 @@ return A[1];
 val fcn = arg ? { int x -> x*x; } : { int x -> x+x; };
 return fcn(2)*10 + fcn(3);
 """);
-        code.parse().opto().typeCheck().instSelect(PORTS,"x86_64_v2", "SystemV").GCM().localSched();
+        code.parse().opto().typeCheck().instSelect("x86_64_v2", "SystemV").GCM().localSched();
         assertEquals("Stop[ return (add,#2,(muli,#2)); return (mul,Parm_x($fun1,int),x); return (shli,Parm_x($fun2,int)); ]", code.print());
     }
 
@@ -327,7 +326,7 @@ return fcn(2)*10 + fcn(3);
 val sq = { int x -> x*x; };
 return sq(arg) + sq(3);
 """);
-        code.parse().opto().typeCheck().instSelect(PORTS,"x86_64_v2", "SystemV").GCM().localSched();
+        code.parse().opto().typeCheck().instSelect("x86_64_v2", "SystemV").GCM().localSched();
         assertEquals("Stop[ return (add,#2,#2); return (mul,Parm_x(sq,int),x); ]", code.print());
     }
 }
diff --git a/chapter21/src/test/java/com/seaofnodes/simple/Chapter20Test.java b/chapter21/src/test/java/com/seaofnodes/simple/Chapter20Test.java
index 81000f9e..73e0ae56 100644
--- a/chapter21/src/test/java/com/seaofnodes/simple/Chapter20Test.java
+++ b/chapter21/src/test/java/com/seaofnodes/simple/Chapter20Test.java
@@ -8,7 +8,6 @@ import java.nio.file.Path;
 import org.junit.Assert;
 import org.junit.Ignore;
 import org.junit.Test;
-import static com.seaofnodes.simple.Main.PORTS;
 import static org.junit.Assert.*;
 
 public class Chapter20Test {
@@ -24,7 +23,7 @@ public class Chapter20Test {
 
     static void testCPU( String src, String cpu, String os, int spills, String stop ) {
         CodeGen code = new CodeGen(src);
-        code.parse().opto().typeCheck().instSelect(PORTS,cpu,os).GCM().localSched().regAlloc();
+        code.parse().opto().typeCheck().instSelect(cpu,os).GCM().localSched().regAlloc();
         int delta = spills>>3;
         if( delta==0 ) delta = 1;
         assertEquals("Expect spills:",spills,code._regAlloc._spillScaled,delta);
diff --git a/chapter21/src/test/java/com/seaofnodes/simple/Chapter21Test.java b/chapter21/src/test/java/com/seaofnodes/simple/Chapter21Test.java
index e726ada3..066cd3d4 100644
--- a/chapter21/src/test/java/com/seaofnodes/simple/Chapter21Test.java
+++ b/chapter21/src/test/java/com/seaofnodes/simple/Chapter21Test.java
@@ -7,7 +7,6 @@ import java.nio.file.Files;
 import java.nio.file.Path;
 import org.junit.Ignore;
 import org.junit.Test;
-import static com.seaofnodes.simple.Main.PORTS;
 import static org.junit.Assert.*;
 
 public class Chapter21Test {
@@ -22,7 +21,7 @@ public class Chapter21Test {
 
     static void testCPU( String src, String cpu, String os, int spills, String stop ) {
         CodeGen code = new CodeGen(src);
-        code.parse().opto().typeCheck().instSelect(PORTS,cpu,os).GCM().localSched().regAlloc().encode();
+        code.parse().opto().typeCheck().instSelect(cpu,os).GCM().localSched().regAlloc().encode();
         int delta = spills>>3;
         if( delta==0 ) delta = 1;
         assertEquals("Expect spills:",spills,code._regAlloc._spillScaled,delta);
@@ -82,7 +81,7 @@ public class Chapter21Test {
         String src = Files.readString(Path.of("src/test/java/com/seaofnodes/simple/progs/newtonFloat.smp"))
             + "flt farg = arg; return sqrt(farg) + sqrt(farg+2.0);";
         CodeGen code = new CodeGen(src);
-        code.parse().opto().typeCheck().instSelect(PORTS, "x86_64_v2", "SystemV").GCM().localSched().regAlloc().encode().exportELF("build/objs/newton.o");
+        code.parse().opto().typeCheck().instSelect( "x86_64_v2", "SystemV").GCM().localSched().regAlloc().encode().exportELF("build/objs/newton.o");
     }
 
 
@@ -92,7 +91,7 @@ public class Chapter21Test {
     public void testPersons() throws IOException {
         String src = Files.readString(Path.of("src/test/java/com/seaofnodes/simple/progs/Person.smp"));
         CodeGen code = new CodeGen(src);
-        code.parse().opto().typeCheck().instSelect(PORTS, "x86_64_v2", "SystemV").GCM().localSched().regAlloc().encode().exportELF("build/objs/Persons.o");
+        code.parse().opto().typeCheck().instSelect( "x86_64_v2", "SystemV").GCM().localSched().regAlloc().encode().exportELF("build/objs/Persons.o");
         //testCPU(src,"x86_64_v2", "Win64"  ,3,null);
         //testCPU(src,"riscv"    , "SystemV",1,null);
         //testCPU(src,"arm"      , "SystemV",1,null);
diff --git a/chapter21/src/test/java/com/seaofnodes/simple/Compile.java b/chapter21/src/test/java/com/seaofnodes/simple/Compile.java
index dfe30a27..088055f9 100644
--- a/chapter21/src/test/java/com/seaofnodes/simple/Compile.java
+++ b/chapter21/src/test/java/com/seaofnodes/simple/Compile.java
@@ -2,24 +2,21 @@ package com.seaofnodes.simple;
 
 import com.seaofnodes.simple.codegen.CodeGen;
 import com.seaofnodes.simple.node.FunNode;
-import org.junit.Ignore;
-import org.junit.Test;
-
 import java.io.IOException;
 import java.nio.charset.StandardCharsets;
 import java.nio.file.Files;
 import java.nio.file.Path;
 import java.util.ArrayList;
+import org.junit.Ignore;
+import org.junit.Test;
 import static org.junit.Assert.*;
 
-import static com.seaofnodes.simple.Main.PORTS;
-
 public class Compile {
 
     private static Process run(String simple, String c) throws IOException, InterruptedException {
         boolean USE_WSL = System.getProperty("os.name").startsWith("Windows");
         CodeGen code = new CodeGen(simple);
-        code.parse().opto().typeCheck().instSelect(PORTS,"x86_64_v2", "SystemV").GCM().localSched().regAlloc().encode();
+        code.parse().opto().typeCheck().instSelect("x86_64_v2", "SystemV").GCM().localSched().regAlloc().encode();
         if (c != null) for (var n:code._start._outputs) if (n instanceof FunNode f && f._name.equals("main")) f._name = "simple_main";
         code.exportELF("test.o");
         var params = new ArrayList<String>();
@@ -50,16 +47,16 @@ public class Compile {
                     }
                 };
                 ""","""
-                
+
                 #include <stdio.h>
-                
+
                 extern double testMy(double);
-                
+
                 int main(int argc, char** argv) {
                     printf("%f\\n", testMy(2.0));
                     return 0;
                 }
-                
+
                 """);
         assertEquals(0, p.waitFor());
         assertEquals("1.414214\n", new String(p.getInputStream().readAllBytes(), StandardCharsets.UTF_8));
diff --git a/chapter21/src/test/java/com/seaofnodes/simple/Main.java b/chapter21/src/test/java/com/seaofnodes/simple/Main.java
index f3a6784c..589c043b 100644
--- a/chapter21/src/test/java/com/seaofnodes/simple/Main.java
+++ b/chapter21/src/test/java/com/seaofnodes/simple/Main.java
@@ -5,7 +5,6 @@ import java.nio.file.Files;
 import java.nio.file.Path;
 
 public class Main {
-    public static final String PORTS = "com.seaofnodes.simple.node.cpus";
     // Compile and run a simple program
     public static void main( String[] args ) throws Exception {
         // First arg is file, 2nd+ args are program args