From 7edca9823ec8ef0aed10c88fa07ef969792aab77 Mon Sep 17 00:00:00 2001 From: Cliff Click Date: Mon, 19 Oct 2026 14:56:14 -0700 Subject: Split from ch25, SCCP and interprocedural SCCP --- .../com/seaofnodes/simple/Chapter21AllocTest.java | 55 ++++++++++++++++++++++ 1 file changed, 55 insertions(+) create mode 100644 chapter-sccp/src/test/java/com/seaofnodes/simple/Chapter21AllocTest.java (limited to 'chapter-sccp/src/test/java/com/seaofnodes/simple/Chapter21AllocTest.java') diff --git a/chapter-sccp/src/test/java/com/seaofnodes/simple/Chapter21AllocTest.java b/chapter-sccp/src/test/java/com/seaofnodes/simple/Chapter21AllocTest.java new file mode 100644 index 00000000..bab7a86a --- /dev/null +++ b/chapter-sccp/src/test/java/com/seaofnodes/simple/Chapter21AllocTest.java @@ -0,0 +1,55 @@ +package com.seaofnodes.simple; + +import java.io.IOException; +import java.nio.file.*; +import org.junit.Test; + +// Revised Chapter 20 examples introduced with native encoding. +public class Chapter21AllocTest { + @Test + public void testNewtonInteger() { + String src = +""" +// Newtons approximation to the square root +val sqrt = { int x -> + int guess = x; + while( 1 ) { + int next = (x/guess + guess)/2; + if( next == guess ) return guess; + guess = next; + } +}; +return sqrt(arg) + sqrt(arg+2); +"""; + Chapter21Test.testCPU(src,"x86_64_v2", "Win64" ,40,null); + Chapter21Test.testCPU(src,"riscv" , "SystemV",19,null); + Chapter21Test.testCPU(src,"arm" , "SystemV",19,null); + } + + @Test + public void testNewtonFloat() throws IOException { + String src = Files.readString(Path.of("src/test/java/com/seaofnodes/simple/progs/newtonFloat.smp")) + + "flt farg = arg; return test_sqrt(farg) + test_sqrt(farg+2.0);"; + Chapter21Test.testCPU(src,"x86_64_v2", "SystemV",39,null); + Chapter21Test.testCPU(src,"riscv" , "SystemV",17,null); + Chapter21Test.testCPU(src,"arm" , "SystemV",18,null); + } + + @Test + public void testArray1() throws IOException { + String src = Files.readString(Path.of("src/test/java/com/seaofnodes/simple/progs/array1.smp")); + Chapter21Test.testCPU(src,"x86_64_v2", "SystemV",-1,"return .[];"); + Chapter21Test.testCPU(src,"riscv" , "SystemV", 8,"return (add,.[],(mul,.[],1000));"); + Chapter21Test.testCPU(src,"arm" , "SystemV", 5,"return (add,.[],(mul,.[],1000));"); + } + + + @Test + public void testString() throws IOException { + String src = Files.readString(Path.of("src/test/java/com/seaofnodes/simple/progs/stringHash21.smp")); + Chapter21Test.testCPU(src,"x86_64_v2", "SystemV", 9,null); + Chapter21Test.testCPU(src,"riscv" , "SystemV", 3,null); + Chapter21Test.testCPU(src,"arm" , "SystemV", 1,null); + } + +} -- cgit v1.2.3