From 2aa8c5d1d0659bd1c828134f1a1f14d025a2d0f1 Mon Sep 17 00:00:00 2001 From: Cliff Click Date: Fri, 7 Feb 2025 08:58:36 -0800 Subject: Ch# Chapter 19: Instruction Selection and Portable Compilation MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Co-authored-by: hadha Co-authored-by: Tamás Hadházy <85063808+Hels15@users.noreply.github.com> --- src/main/java/com/seaofnodes/simple/Machine.java | 21 +++++++++++++++++++++ 1 file changed, 21 insertions(+) create mode 100644 src/main/java/com/seaofnodes/simple/Machine.java (limited to 'src/main/java/com/seaofnodes/simple/Machine.java') diff --git a/src/main/java/com/seaofnodes/simple/Machine.java b/src/main/java/com/seaofnodes/simple/Machine.java new file mode 100644 index 00000000..b29e9aba --- /dev/null +++ b/src/main/java/com/seaofnodes/simple/Machine.java @@ -0,0 +1,21 @@ +package com.seaofnodes.simple; + +import com.seaofnodes.simple.RegMask; +import com.seaofnodes.simple.node.CFGNode; +import com.seaofnodes.simple.node.IfNode; +import com.seaofnodes.simple.node.Node; + +abstract public class Machine { + // Human readable machine name. Something like "x86-64" or "arm" or "risc5" + public abstract String name(); + // Human-readable name for a register number, e.g. "RAX" or "R0" + public abstract String reg( int reg ); + // Create a split op; any register to any register, including stack slots + public abstract Node split(); + // Return a MachNode unconditional branch + public abstract CFGNode jump(); + // Break an infinite loop + public abstract IfNode never( CFGNode ctrl ); + // Instruction select from ideal nodes + public abstract Node instSelect( Node n ); +} -- cgit v1.2.3