From 840bfd14b3658f49429cbf84fbc39980477d5f6e Mon Sep 17 00:00:00 2001
From: Cliff Click <cliffc@acm.org>
Date: Mon, 7 Apr 2025 14:50:24 -0700
Subject: x86 shift imm are 2-addr

---
 .../src/main/java/com/seaofnodes/simple/node/cpus/x86_64_v2/SarIX86.java | 1 +
 .../src/main/java/com/seaofnodes/simple/node/cpus/x86_64_v2/ShlIX86.java | 1 +
 .../src/main/java/com/seaofnodes/simple/node/cpus/x86_64_v2/ShrIX86.java | 1 +
 3 files changed, 3 insertions(+)

(limited to 'chapter21/src')

diff --git a/chapter21/src/main/java/com/seaofnodes/simple/node/cpus/x86_64_v2/SarIX86.java b/chapter21/src/main/java/com/seaofnodes/simple/node/cpus/x86_64_v2/SarIX86.java
index 6d6aa89c..07256604 100644
--- a/chapter21/src/main/java/com/seaofnodes/simple/node/cpus/x86_64_v2/SarIX86.java
+++ b/chapter21/src/main/java/com/seaofnodes/simple/node/cpus/x86_64_v2/SarIX86.java
@@ -20,6 +20,7 @@ public class SarIX86 extends MachConcreteNode implements MachNode {
 
     @Override public RegMask regmap(int i) { return x86_64_v2.RMASK; }
     @Override public RegMask outregmap() { return x86_64_v2.WMASK; }
+    @Override public int twoAddress() { return 1; }
 
     @Override public void encoding(Encoding enc) {
         short dst = enc.reg(this); // Also src1
diff --git a/chapter21/src/main/java/com/seaofnodes/simple/node/cpus/x86_64_v2/ShlIX86.java b/chapter21/src/main/java/com/seaofnodes/simple/node/cpus/x86_64_v2/ShlIX86.java
index c53e0ea9..0b75b456 100644
--- a/chapter21/src/main/java/com/seaofnodes/simple/node/cpus/x86_64_v2/ShlIX86.java
+++ b/chapter21/src/main/java/com/seaofnodes/simple/node/cpus/x86_64_v2/ShlIX86.java
@@ -19,6 +19,7 @@ public class ShlIX86 extends MachConcreteNode implements MachNode {
 
     @Override public RegMask regmap(int i) { return x86_64_v2.RMASK; }
     @Override public RegMask outregmap() { return x86_64_v2.WMASK; }
+    @Override public int twoAddress() { return 1; }
 
     @Override public String op() { return "shli"; }
     @Override public String glabel() { return "<<"; }
diff --git a/chapter21/src/main/java/com/seaofnodes/simple/node/cpus/x86_64_v2/ShrIX86.java b/chapter21/src/main/java/com/seaofnodes/simple/node/cpus/x86_64_v2/ShrIX86.java
index c79b8817..893eb23d 100644
--- a/chapter21/src/main/java/com/seaofnodes/simple/node/cpus/x86_64_v2/ShrIX86.java
+++ b/chapter21/src/main/java/com/seaofnodes/simple/node/cpus/x86_64_v2/ShrIX86.java
@@ -16,6 +16,7 @@ public class ShrIX86 extends MachConcreteNode implements MachNode {
 
     @Override public RegMask regmap(int i) { return x86_64_v2.RMASK; }
     @Override public RegMask outregmap() { return x86_64_v2.WMASK; }
+    @Override public int twoAddress() { return 1; }
 
     @Override public void encoding(Encoding enc) {
         short dst = enc.reg(this); // Also src1
-- 
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