diff options
Diffstat (limited to 'chapter21/src/main/java/com/seaofnodes/simple/node')
9 files changed, 9 insertions, 9 deletions
diff --git a/chapter21/src/main/java/com/seaofnodes/simple/node/AddNode.java b/chapter21/src/main/java/com/seaofnodes/simple/node/AddNode.java index dd128e76..2a993e66 100644 --- a/chapter21/src/main/java/com/seaofnodes/simple/node/AddNode.java +++ b/chapter21/src/main/java/com/seaofnodes/simple/node/AddNode.java @@ -53,7 +53,7 @@ public class AddNode extends Node { // 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/chapter21/src/main/java/com/seaofnodes/simple/node/DivNode.java b/chapter21/src/main/java/com/seaofnodes/simple/node/DivNode.java index 41518311..64b4d378 100644 --- a/chapter21/src/main/java/com/seaofnodes/simple/node/DivNode.java +++ b/chapter21/src/main/java/com/seaofnodes/simple/node/DivNode.java @@ -36,7 +36,7 @@ public class DivNode extends Node { @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 null; } diff --git a/chapter21/src/main/java/com/seaofnodes/simple/node/MinusNode.java b/chapter21/src/main/java/com/seaofnodes/simple/node/MinusNode.java index e06e0c69..0d087d22 100644 --- a/chapter21/src/main/java/com/seaofnodes/simple/node/MinusNode.java +++ b/chapter21/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/chapter21/src/main/java/com/seaofnodes/simple/node/MulNode.java b/chapter21/src/main/java/com/seaofnodes/simple/node/MulNode.java index 384dbace..1ff4054d 100644 --- a/chapter21/src/main/java/com/seaofnodes/simple/node/MulNode.java +++ b/chapter21/src/main/java/com/seaofnodes/simple/node/MulNode.java @@ -50,7 +50,7 @@ public class MulNode extends Node { // 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/chapter21/src/main/java/com/seaofnodes/simple/node/OrNode.java b/chapter21/src/main/java/com/seaofnodes/simple/node/OrNode.java index 9b03dc5d..dfa32378 100644 --- a/chapter21/src/main/java/com/seaofnodes/simple/node/OrNode.java +++ b/chapter21/src/main/java/com/seaofnodes/simple/node/OrNode.java @@ -36,7 +36,7 @@ public class OrNode extends LogicalNode { // 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/chapter21/src/main/java/com/seaofnodes/simple/node/SarNode.java b/chapter21/src/main/java/com/seaofnodes/simple/node/SarNode.java index 4a71ec06..cb48f1c8 100644 --- a/chapter21/src/main/java/com/seaofnodes/simple/node/SarNode.java +++ b/chapter21/src/main/java/com/seaofnodes/simple/node/SarNode.java @@ -39,7 +39,7 @@ public class SarNode extends LogicalNode { 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/chapter21/src/main/java/com/seaofnodes/simple/node/ShlNode.java b/chapter21/src/main/java/com/seaofnodes/simple/node/ShlNode.java index 82e01841..e2da7e73 100644 --- a/chapter21/src/main/java/com/seaofnodes/simple/node/ShlNode.java +++ b/chapter21/src/main/java/com/seaofnodes/simple/node/ShlNode.java @@ -35,7 +35,7 @@ public class ShlNode extends LogicalNode { 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/chapter21/src/main/java/com/seaofnodes/simple/node/ShrNode.java b/chapter21/src/main/java/com/seaofnodes/simple/node/ShrNode.java index 789fb8a8..97673d9a 100644 --- a/chapter21/src/main/java/com/seaofnodes/simple/node/ShrNode.java +++ b/chapter21/src/main/java/com/seaofnodes/simple/node/ShrNode.java @@ -35,7 +35,7 @@ public class ShrNode extends LogicalNode { 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/chapter21/src/main/java/com/seaofnodes/simple/node/XorNode.java b/chapter21/src/main/java/com/seaofnodes/simple/node/XorNode.java index 37d7147d..03d7bf3d 100644 --- a/chapter21/src/main/java/com/seaofnodes/simple/node/XorNode.java +++ b/chapter21/src/main/java/com/seaofnodes/simple/node/XorNode.java @@ -35,7 +35,7 @@ public class XorNode extends LogicalNode { // 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 |