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| author | Cliff Click <cliffc@acm.org> | 2026-10-05 09:35:31 -0700 |
|---|---|---|
| committer | Cliff Click <cliffc@acm.org> | 2026-10-05 09:35:31 -0700 |
| commit | 3e950abc9eb2bcafbb36761ace5fcf5707a503a3 (patch) | |
| tree | 263244543dc0a63d454b16521a30ccb4526f58e1 /chapter22/src/main | |
| parent | 9b3ad43f7aa2ec6d5f61fb9ff3c432101a5fba52 (diff) | |
| download | Simple-3e950abc9eb2bcafbb36761ace5fcf5707a503a3.tar.gz Simple-3e950abc9eb2bcafbb36761ace5fcf5707a503a3.zip | |
Partial integer updateabandoned
Diffstat (limited to 'chapter22/src/main')
9 files changed, 9 insertions, 9 deletions
diff --git a/chapter22/src/main/java/com/seaofnodes/simple/node/AddNode.java b/chapter22/src/main/java/com/seaofnodes/simple/node/AddNode.java index 0f472829..3a5528ef 100644 --- a/chapter22/src/main/java/com/seaofnodes/simple/node/AddNode.java +++ b/chapter22/src/main/java/com/seaofnodes/simple/node/AddNode.java @@ -32,7 +32,7 @@ public class AddNode extends ArithNode { // Add of 0. We do not check for (0+x) because this will already // canonicalize to (x+0) - if( t2 == TypeInteger.ZERO ) + if( t2 == TypeInteger.ZERO && lhs._type instanceof TypeInteger ) return lhs; // Add of same to a multiply by 2 diff --git a/chapter22/src/main/java/com/seaofnodes/simple/node/DivNode.java b/chapter22/src/main/java/com/seaofnodes/simple/node/DivNode.java index 0de1c946..7b5ae16c 100644 --- a/chapter22/src/main/java/com/seaofnodes/simple/node/DivNode.java +++ b/chapter22/src/main/java/com/seaofnodes/simple/node/DivNode.java @@ -18,7 +18,7 @@ public class DivNode extends ArithNode { @Override public Node idealize() { // Div of 1. - if( in(2)._type == TypeInteger.TRUE ) + if( in(2)._type == TypeInteger.TRUE && in(1)._type instanceof TypeInteger ) return in(1); return super.idealize(); } diff --git a/chapter22/src/main/java/com/seaofnodes/simple/node/MinusNode.java b/chapter22/src/main/java/com/seaofnodes/simple/node/MinusNode.java index 059d0d00..47b8864c 100644 --- a/chapter22/src/main/java/com/seaofnodes/simple/node/MinusNode.java +++ b/chapter22/src/main/java/com/seaofnodes/simple/node/MinusNode.java @@ -31,7 +31,7 @@ public class MinusNode extends Node { @Override public Node idealize() { // -(-x) is x - if( in(1) instanceof MinusNode minus ) + if( in(1) instanceof MinusNode minus && minus.in(1)._type instanceof TypeInteger ) return minus.in(1); return null; diff --git a/chapter22/src/main/java/com/seaofnodes/simple/node/MulNode.java b/chapter22/src/main/java/com/seaofnodes/simple/node/MulNode.java index debc2c56..6e1dc053 100644 --- a/chapter22/src/main/java/com/seaofnodes/simple/node/MulNode.java +++ b/chapter22/src/main/java/com/seaofnodes/simple/node/MulNode.java @@ -32,7 +32,7 @@ public class MulNode extends ArithNode { // Mul of 1. We do not check for (1*x) because this will already // canonicalize to (x*1) long c = i.value(); - if( c==1 ) return lhs; + if( c==1 ) return lhs._type instanceof TypeInteger ? lhs : null; if( c==0 ) return Parser.ZERO; // Mul by a power of 2, +/-1. Bit patterns more complex than this // are unlikely to win on an X86 vs the normal "imul", and so diff --git a/chapter22/src/main/java/com/seaofnodes/simple/node/OrNode.java b/chapter22/src/main/java/com/seaofnodes/simple/node/OrNode.java index ac0d8454..96e5bc2e 100644 --- a/chapter22/src/main/java/com/seaofnodes/simple/node/OrNode.java +++ b/chapter22/src/main/java/com/seaofnodes/simple/node/OrNode.java @@ -26,7 +26,7 @@ public class OrNode extends ArithNode { // Or of 0. We do not check for (0|x) because this will already // canonicalize to (x|0) - if( t2.isConstant() && t2 instanceof TypeInteger i && i.value()==0 ) + if( t2.isConstant() && t2 instanceof TypeInteger i && i.value()==0 && lhs._type instanceof TypeInteger ) return lhs; // Move constants to RHS: con*arg becomes arg*con diff --git a/chapter22/src/main/java/com/seaofnodes/simple/node/SarNode.java b/chapter22/src/main/java/com/seaofnodes/simple/node/SarNode.java index ee15fa65..b46b8f76 100644 --- a/chapter22/src/main/java/com/seaofnodes/simple/node/SarNode.java +++ b/chapter22/src/main/java/com/seaofnodes/simple/node/SarNode.java @@ -27,7 +27,7 @@ public class SarNode extends ArithNode { Type t2 = rhs._type; // Sar of 0. - if( t2.isConstant() && t2 instanceof TypeInteger i && (i.value()&63)==0 ) + if( t2.isConstant() && t2 instanceof TypeInteger i && (i.value()&63)==0 && lhs._type instanceof TypeInteger ) return lhs; // TODO: x >> 3 >> (y ? 1 : 2) ==> x >> (y ? 4 : 5) diff --git a/chapter22/src/main/java/com/seaofnodes/simple/node/ShlNode.java b/chapter22/src/main/java/com/seaofnodes/simple/node/ShlNode.java index 2557bf6b..fbeabd5f 100644 --- a/chapter22/src/main/java/com/seaofnodes/simple/node/ShlNode.java +++ b/chapter22/src/main/java/com/seaofnodes/simple/node/ShlNode.java @@ -32,7 +32,7 @@ public class ShlNode extends ArithNode { if( rhs._type instanceof TypeInteger shl && shl.isConstant() ) { // Shl of 0. - if( (shl.value()&63)==0 ) + if( (shl.value()&63)==0 && lhs._type instanceof TypeInteger ) return lhs; // (x + c) << i => (x << i) + (c << i) if( lhs instanceof AddNode add && addDep(add).in(2)._type instanceof TypeInteger c && c.isConstant() ) { diff --git a/chapter22/src/main/java/com/seaofnodes/simple/node/ShrNode.java b/chapter22/src/main/java/com/seaofnodes/simple/node/ShrNode.java index 269f6b7f..ee6f6821 100644 --- a/chapter22/src/main/java/com/seaofnodes/simple/node/ShrNode.java +++ b/chapter22/src/main/java/com/seaofnodes/simple/node/ShrNode.java @@ -23,7 +23,7 @@ public class ShrNode extends ArithNode { Type t2 = rhs._type; // Shr of 0. - if( t2.isConstant() && t2 instanceof TypeInteger i && (i.value()&63)==0 ) + if( t2.isConstant() && t2 instanceof TypeInteger i && (i.value()&63)==0 && lhs._type instanceof TypeInteger ) return lhs; // TODO: x >>> 3 >>> (y ? 1 : 2) ==> x >>> (y ? 4 : 5) diff --git a/chapter22/src/main/java/com/seaofnodes/simple/node/XorNode.java b/chapter22/src/main/java/com/seaofnodes/simple/node/XorNode.java index fdb4863e..38986c85 100644 --- a/chapter22/src/main/java/com/seaofnodes/simple/node/XorNode.java +++ b/chapter22/src/main/java/com/seaofnodes/simple/node/XorNode.java @@ -25,7 +25,7 @@ public class XorNode extends ArithNode { // Xor of 0. We do not check for (0^x) because this will already // canonicalize to (x^0) - if( t2.isConstant() && t2 instanceof TypeInteger i && i.value()==0 ) + if( t2.isConstant() && t2 instanceof TypeInteger i && i.value()==0 && lhs._type instanceof TypeInteger ) return lhs; // Move constants to RHS: con*arg becomes arg*con |
