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| author | Cliff Click <cliffc@acm.org> | 2026-08-10 11:11:18 -0700 |
|---|---|---|
| committer | Cliff Click <cliffc@acm.org> | 2026-10-08 16:52:27 -0700 |
| commit | d32f97238c903765dec4e9a9f3cbfa5fd12cded6 (patch) | |
| tree | a5ac731801ef7066bab6359c4e85c2bdd20082a6 /src/main/java/com/seaofnodes/simple/node/ShlNode.java | |
| parent | b5ebb2032aa04cf4506d533127d373d4cf5a25c6 (diff) | |
| download | Simple-linear.tar.gz Simple-linear.zip | |
Chapter 25: Modules, Separate Compilation, and SSA Constructionlinear
Co-authored-by: Hsiang-Ying Fu <66062782+fuhsnn@users.noreply.github.com>
Co-authored-by: fuhsnn <66062782+fuhsnn@users.noreply.github.com>
Co-authored-by: Symious <14933944+symious@users.noreply.github.com>
Co-authored-by: Jun Kawasaki <jun784@gmail.com>
Co-authored-by: Claude Opus 5 <noreply@anthropic.com>
Diffstat (limited to 'src/main/java/com/seaofnodes/simple/node/ShlNode.java')
| -rw-r--r-- | src/main/java/com/seaofnodes/simple/node/ShlNode.java | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/src/main/java/com/seaofnodes/simple/node/ShlNode.java b/src/main/java/com/seaofnodes/simple/node/ShlNode.java index e2951784..f657cf51 100644 --- a/src/main/java/com/seaofnodes/simple/node/ShlNode.java +++ b/src/main/java/com/seaofnodes/simple/node/ShlNode.java @@ -1,13 +1,14 @@ package com.seaofnodes.simple.node; import com.seaofnodes.simple.Parser; +import com.seaofnodes.simple.codegen.CodeGen; import com.seaofnodes.simple.type.Type; import com.seaofnodes.simple.type.TypeInteger; public class ShlNode extends ArithNode { - public ShlNode(Parser.Lexer loc, Node lhs, Node rhs) { super(loc, lhs, rhs); } + public ShlNode(Parser.Lexer loc, Node lhs, Node rhs) { super(loc, lhs, rhs, (byte)1); } + @Override public Tag serialTag() { return Tag.Shl; } - @Override public String label() { return "Shl"; } @Override public String op() { return "<<"; } @Override long doOp( long x, long y ) { return x << y; } @Override TypeInteger doOp( TypeInteger x, TypeInteger y ) { @@ -30,13 +31,13 @@ public class ShlNode extends ArithNode { if( rhs._type instanceof TypeInteger shl && shl.isConstant() ) { // Shl of 0. - if( (shl.value()&63)==0 && lhs._type instanceof TypeInteger ) + if( (shl.value()&63)==0 && forceInt(lhs) && 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() ) { long sum = c.value() << shl.value(); if( Integer.MIN_VALUE <= sum && sum <= Integer.MAX_VALUE ) - return new AddNode(new ShlNode(_loc,add.in(1),rhs).peephole(), Parser.con(sum) ); + return new AddNode(new ShlNode(_loc,add.in(1),rhs).peephole(), CodeGen.CODE.con(sum) ); } } |