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-rw-r--r--test/417-optimizing-arith-div/src/Main.java6
-rw-r--r--test/428-optimizing-arith-rem/expected.txt0
-rw-r--r--test/428-optimizing-arith-rem/info.txt1
-rw-r--r--test/428-optimizing-arith-rem/src/Main.java160
-rw-r--r--test/Android.run-test.mk1
5 files changed, 168 insertions, 0 deletions
diff --git a/test/417-optimizing-arith-div/src/Main.java b/test/417-optimizing-arith-div/src/Main.java
index a5dea15559..909ceb43d6 100644
--- a/test/417-optimizing-arith-div/src/Main.java
+++ b/test/417-optimizing-arith-div/src/Main.java
@@ -24,6 +24,12 @@ public class Main {
}
}
+ public static void expectEquals(long expected, long result) {
+ if (expected != result) {
+ throw new Error("Expected: " + expected + ", found: " + result);
+ }
+ }
+
public static void expectEquals(float expected, float result) {
if (expected != result) {
throw new Error("Expected: " + expected + ", found: " + result);
diff --git a/test/428-optimizing-arith-rem/expected.txt b/test/428-optimizing-arith-rem/expected.txt
new file mode 100644
index 0000000000..e69de29bb2
--- /dev/null
+++ b/test/428-optimizing-arith-rem/expected.txt
diff --git a/test/428-optimizing-arith-rem/info.txt b/test/428-optimizing-arith-rem/info.txt
new file mode 100644
index 0000000000..3e37ffeee8
--- /dev/null
+++ b/test/428-optimizing-arith-rem/info.txt
@@ -0,0 +1 @@
+Tests for modulo (rem) operation.
diff --git a/test/428-optimizing-arith-rem/src/Main.java b/test/428-optimizing-arith-rem/src/Main.java
new file mode 100644
index 0000000000..46bd3c6ac5
--- /dev/null
+++ b/test/428-optimizing-arith-rem/src/Main.java
@@ -0,0 +1,160 @@
+/*
+ * Copyright (C) 2014 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+public class Main {
+
+ public static void expectEquals(int expected, int result) {
+ if (expected != result) {
+ throw new Error("Expected: " + expected + ", found: " + result);
+ }
+ }
+
+ public static void expectEquals(long expected, long result) {
+ if (expected != result) {
+ throw new Error("Expected: " + expected + ", found: " + result);
+ }
+ }
+
+ public static void expectDivisionByZero(int value) {
+ try {
+ $opt$Rem(value, 0);
+ throw new Error("Expected RuntimeException when modulo by 0");
+ } catch (java.lang.RuntimeException e) {
+ }
+ try {
+ $opt$RemZero(value);
+ throw new Error("Expected RuntimeException when modulo by 0");
+ } catch (java.lang.RuntimeException e) {
+ }
+ }
+
+ public static void expectDivisionByZero(long value) {
+ try {
+ $opt$Rem(value, 0L);
+ throw new Error("Expected RuntimeException when modulo by 0");
+ } catch (java.lang.RuntimeException e) {
+ }
+ try {
+ $opt$RemZero(value);
+ throw new Error("Expected RuntimeException when modulo by 0");
+ } catch (java.lang.RuntimeException e) {
+ }
+ }
+
+ public static void main(String[] args) {
+ rem();
+ }
+
+ public static void rem() {
+ remInt();
+ remLong();
+ }
+
+ private static void remInt() {
+ expectEquals(2, $opt$RemConst(6));
+ expectEquals(2, $opt$Rem(6, 4));
+ expectEquals(2, $opt$Rem(6, -4));
+ expectEquals(0, $opt$Rem(6, 3));
+ expectEquals(0, $opt$Rem(6, -3));
+ expectEquals(0, $opt$Rem(6, 1));
+ expectEquals(0, $opt$Rem(6, -1));
+ expectEquals(-1, $opt$Rem(-7, 3));
+ expectEquals(-1, $opt$Rem(-7, -3));
+ expectEquals(0, $opt$Rem(6, 6));
+ expectEquals(0, $opt$Rem(-6, -6));
+ expectEquals(7, $opt$Rem(7, 9));
+ expectEquals(7, $opt$Rem(7, -9));
+ expectEquals(-7, $opt$Rem(-7, 9));
+ expectEquals(-7, $opt$Rem(-7, -9));
+
+ expectEquals(0, $opt$Rem(Integer.MAX_VALUE, 1));
+ expectEquals(0, $opt$Rem(Integer.MAX_VALUE, -1));
+ expectEquals(0, $opt$Rem(Integer.MIN_VALUE, 1));
+ expectEquals(0, $opt$Rem(Integer.MIN_VALUE, -1)); // no overflow
+ expectEquals(-1, $opt$Rem(Integer.MIN_VALUE, Integer.MAX_VALUE));
+ expectEquals(Integer.MAX_VALUE, $opt$Rem(Integer.MAX_VALUE, Integer.MIN_VALUE));
+
+ expectEquals(0, $opt$Rem(0, 7));
+ expectEquals(0, $opt$Rem(0, Integer.MAX_VALUE));
+ expectEquals(0, $opt$Rem(0, Integer.MIN_VALUE));
+
+ expectDivisionByZero(0);
+ expectDivisionByZero(1);
+ expectDivisionByZero(5);
+ expectDivisionByZero(Integer.MAX_VALUE);
+ expectDivisionByZero(Integer.MIN_VALUE);
+ }
+
+ private static void remLong() {
+ expectEquals(2L, $opt$RemConst(6L));
+ expectEquals(2L, $opt$Rem(6L, 4L));
+ expectEquals(2L, $opt$Rem(6L, -4L));
+ expectEquals(0L, $opt$Rem(6L, 3L));
+ expectEquals(0L, $opt$Rem(6L, -3L));
+ expectEquals(0L, $opt$Rem(6L, 1L));
+ expectEquals(0L, $opt$Rem(6L, -1L));
+ expectEquals(-1L, $opt$Rem(-7L, 3L));
+ expectEquals(-1L, $opt$Rem(-7L, -3L));
+ expectEquals(0L, $opt$Rem(6L, 6L));
+ expectEquals(0L, $opt$Rem(-6L, -6L));
+ expectEquals(7L, $opt$Rem(7L, 9L));
+ expectEquals(7L, $opt$Rem(7L, -9L));
+ expectEquals(-7L, $opt$Rem(-7L, 9L));
+ expectEquals(-7L, $opt$Rem(-7L, -9L));
+
+ expectEquals(0L, $opt$Rem(Integer.MAX_VALUE, 1L));
+ expectEquals(0L, $opt$Rem(Integer.MAX_VALUE, -1L));
+ expectEquals(0L, $opt$Rem(Integer.MIN_VALUE, 1L));
+ expectEquals(0L, $opt$Rem(Integer.MIN_VALUE, -1L)); // no overflow
+ expectEquals(-1L, $opt$Rem(Integer.MIN_VALUE, Integer.MAX_VALUE));
+ expectEquals(Integer.MAX_VALUE, $opt$Rem(Integer.MAX_VALUE, Integer.MIN_VALUE));
+
+ expectEquals(0L, $opt$Rem(0L, 7L));
+ expectEquals(0L, $opt$Rem(0L, Integer.MAX_VALUE));
+ expectEquals(0L, $opt$Rem(0L, Integer.MIN_VALUE));
+
+ expectDivisionByZero(0L);
+ expectDivisionByZero(1L);
+ expectDivisionByZero(5L);
+ expectDivisionByZero(Integer.MAX_VALUE);
+ expectDivisionByZero(Integer.MIN_VALUE);
+ }
+
+ static int $opt$Rem(int a, int b) {
+ return a % b;
+ }
+
+ static int $opt$RemZero(int a) {
+ return a % 0;
+ }
+
+ // Modulo by literals != 0 should not generate checks.
+ static int $opt$RemConst(int a) {
+ return a % 4;
+ }
+
+ static long $opt$RemConst(long a) {
+ return a % 4L;
+ }
+
+ static long $opt$Rem(long a, long b) {
+ return a % b;
+ }
+
+ static long $opt$RemZero(long a) {
+ return a % 0L;
+ }
+}
diff --git a/test/Android.run-test.mk b/test/Android.run-test.mk
index 3b949d6ad0..01c5ae2caa 100644
--- a/test/Android.run-test.mk
+++ b/test/Android.run-test.mk
@@ -450,6 +450,7 @@ TEST_ART_BROKEN_OPTIMIZING_ARM64_RUN_TESTS := \
426-monitor \
427-bitwise \
427-bounds \
+ 428-optimizing-arith-rem \
700-LoadArgRegs \
701-easy-div-rem \
702-LargeBranchOffset \
generated by cgit v1.2.3-59-g8ed1b (git 2.39.0) at 2026-01-08 07:22:13 +0000