/* * Copyright (C) 2018 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 RemTest { public static void expectEquals(T expected, T result) { if (!expected.equals(result)) { throw new Error("Expected: " + expected + ", found: " + result); } } public static void main() { remInt(); remLong(); } private static void remInt() { expectEquals(0, $noinline$IntMod2(0)); expectEquals(1, $noinline$IntMod2(1)); expectEquals(-1, $noinline$IntMod2(-1)); expectEquals(0, $noinline$IntMod2(2)); expectEquals(0, $noinline$IntMod2(-2)); expectEquals(1, $noinline$IntMod2(3)); expectEquals(-1, $noinline$IntMod2(-3)); expectEquals(1, $noinline$IntMod2(0x0f)); expectEquals(1, $noinline$IntMod2(0x00ff)); expectEquals(1, $noinline$IntMod2(0x00ffff)); expectEquals(1, $noinline$IntMod2(Integer.MAX_VALUE)); expectEquals(0, $noinline$IntMod2(Integer.MIN_VALUE)); expectEquals(0, $noinline$IntModMinus2(0)); expectEquals(1, $noinline$IntModMinus2(1)); expectEquals(-1, $noinline$IntModMinus2(-1)); expectEquals(0, $noinline$IntModMinus2(2)); expectEquals(0, $noinline$IntModMinus2(-2)); expectEquals(1, $noinline$IntModMinus2(3)); expectEquals(-1, $noinline$IntModMinus2(-3)); expectEquals(1, $noinline$IntModMinus2(0x0f)); expectEquals(1, $noinline$IntModMinus2(0x00ff)); expectEquals(1, $noinline$IntModMinus2(0x00ffff)); expectEquals(1, $noinline$IntModMinus2(Integer.MAX_VALUE)); expectEquals(0, $noinline$IntModMinus2(Integer.MIN_VALUE)); expectEquals(0, $noinline$IntAbsMod2(0)); expectEquals(1, $noinline$IntAbsMod2(1)); expectEquals(1, $noinline$IntAbsMod2(-1)); expectEquals(0, $noinline$IntAbsMod2(2)); expectEquals(0, $noinline$IntAbsMod2(-2)); expectEquals(1, $noinline$IntAbsMod2(3)); expectEquals(1, $noinline$IntAbsMod2(-3)); expectEquals(1, $noinline$IntAbsMod2(0x0f)); expectEquals(1, $noinline$IntAbsMod2(0x00ff)); expectEquals(1, $noinline$IntAbsMod2(0x00ffff)); expectEquals(1, $noinline$IntAbsMod2(Integer.MAX_VALUE)); expectEquals(0, $noinline$IntAbsMod2(Integer.MIN_VALUE)); expectEquals(0, $noinline$IntAbsModMinus2(0)); expectEquals(1, $noinline$IntAbsModMinus2(1)); expectEquals(1, $noinline$IntAbsModMinus2(-1)); expectEquals(0, $noinline$IntAbsModMinus2(2)); expectEquals(0, $noinline$IntAbsModMinus2(-2)); expectEquals(1, $noinline$IntAbsModMinus2(3)); expectEquals(1, $noinline$IntAbsModMinus2(-3)); expectEquals(1, $noinline$IntAbsModMinus2(0x0f)); expectEquals(1, $noinline$IntAbsModMinus2(0x00ff)); expectEquals(1, $noinline$IntAbsModMinus2(0x00ffff)); expectEquals(1, $noinline$IntAbsModMinus2(Integer.MAX_VALUE)); expectEquals(0, $noinline$IntAbsModMinus2(Integer.MIN_VALUE)); expectEquals(0, $noinline$IntALenMod2(new int[0])); expectEquals(1, $noinline$IntALenMod2(new int[1])); expectEquals(0, $noinline$IntALenMod2(new int[2])); expectEquals(1, $noinline$IntALenMod2(new int[3])); expectEquals(1, $noinline$IntALenMod2(new int[0x0f])); expectEquals(1, $noinline$IntALenMod2(new int[0x00ff])); expectEquals(1, $noinline$IntALenMod2(new int[0x00ffff])); expectEquals(0, $noinline$IntALenModMinus2(new int[0])); expectEquals(1, $noinline$IntALenModMinus2(new int[1])); expectEquals(0, $noinline$IntALenModMinus2(new int[2])); expectEquals(1, $noinline$IntALenModMinus2(new int[3])); expectEquals(1, $noinline$IntALenModMinus2(new int[0x0f])); expectEquals(1, $noinline$IntALenModMinus2(new int[0x00ff])); expectEquals(1, $noinline$IntALenModMinus2(new int[0x00ffff])); expectEquals(0, $noinline$IntMod16(0)); expectEquals(1, $noinline$IntMod16(1)); expectEquals(1, $noinline$IntMod16(17)); expectEquals(-1, $noinline$IntMod16(-1)); expectEquals(0, $noinline$IntMod16(32)); expectEquals(0, $noinline$IntMod16(-32)); expectEquals(0x0f, $noinline$IntMod16(0x0f)); expectEquals(0x0f, $noinline$IntMod16(0x00ff)); expectEquals(0x0f, $noinline$IntMod16(0x00ffff)); expectEquals(15, $noinline$IntMod16(Integer.MAX_VALUE)); expectEquals(0, $noinline$IntMod16(Integer.MIN_VALUE)); expectEquals(0, $noinline$IntModMinus16(0)); expectEquals(1, $noinline$IntModMinus16(1)); expectEquals(1, $noinline$IntModMinus16(17)); expectEquals(-1, $noinline$IntModMinus16(-1)); expectEquals(0, $noinline$IntModMinus16(32)); expectEquals(0, $noinline$IntModMinus16(-32)); expectEquals(0x0f, $noinline$IntModMinus16(0x0f)); expectEquals(0x0f, $noinline$IntModMinus16(0x00ff)); expectEquals(0x0f, $noinline$IntModMinus16(0x00ffff)); expectEquals(15, $noinline$IntModMinus16(Integer.MAX_VALUE)); expectEquals(0, $noinline$IntModMinus16(Integer.MIN_VALUE)); expectEquals(0, $noinline$IntAbsMod16(0)); expectEquals(1, $noinline$IntAbsMod16(1)); expectEquals(1, $noinline$IntAbsMod16(17)); expectEquals(1, $noinline$IntAbsMod16(-1)); expectEquals(0, $noinline$IntAbsMod16(32)); expectEquals(0, $noinline$IntAbsMod16(-32)); expectEquals(0x0f, $noinline$IntAbsMod16(0x0f)); expectEquals(0x0f, $noinline$IntAbsMod16(0x00ff)); expectEquals(0x0f, $noinline$IntAbsMod16(0x00ffff)); expectEquals(15, $noinline$IntAbsMod16(Integer.MAX_VALUE)); expectEquals(0, $noinline$IntAbsMod16(Integer.MIN_VALUE)); expectEquals(0, $noinline$IntAbsModMinus16(0)); expectEquals(1, $noinline$IntAbsModMinus16(1)); expectEquals(1, $noinline$IntAbsModMinus16(17)); expectEquals(1, $noinline$IntAbsModMinus16(-1)); expectEquals(0, $noinline$IntAbsModMinus16(32)); expectEquals(0, $noinline$IntAbsModMinus16(-32)); expectEquals(0x0f, $noinline$IntAbsModMinus16(0x0f)); expectEquals(0x0f, $noinline$IntAbsModMinus16(0x00ff)); expectEquals(0x0f, $noinline$IntAbsModMinus16(0x00ffff)); expectEquals(15, $noinline$IntAbsModMinus16(Integer.MAX_VALUE)); expectEquals(0, $noinline$IntAbsModMinus16(Integer.MIN_VALUE)); expectEquals(0, $noinline$IntALenMod16(new int[0])); expectEquals(1, $noinline$IntALenMod16(new int[1])); expectEquals(1, $noinline$IntALenMod16(new int[17])); expectEquals(0, $noinline$IntALenMod16(new int[32])); expectEquals(0x0f, $noinline$IntALenMod16(new int[0x0f])); expectEquals(0x0f, $noinline$IntALenMod16(new int[0x00ff])); expectEquals(0x0f, $noinline$IntALenMod16(new int[0x00ffff])); expectEquals(0, $noinline$IntALenModMinus16(new int[0])); expectEquals(1, $noinline$IntALenModMinus16(new int[1])); expectEquals(1, $noinline$IntALenModMinus16(new int[17])); expectEquals(0, $noinline$IntALenModMinus16(new int[32])); expectEquals(0x0f, $noinline$IntALenModMinus16(new int[0x0f])); expectEquals(0x0f, $noinline$IntALenModMinus16(new int[0x00ff])); expectEquals(0x0f, $noinline$IntALenModMinus16(new int[0x00ffff])); expectEquals(0, $noinline$IntAbsMod1024(0)); expectEquals(1, $noinline$IntAbsMod1024(1)); expectEquals(1, $noinline$IntAbsMod1024(1025)); expectEquals(1, $noinline$IntAbsMod1024(-1)); expectEquals(0, $noinline$IntAbsMod1024(2048)); expectEquals(0, $noinline$IntAbsMod1024(-2048)); expectEquals(0x0f, $noinline$IntAbsMod1024(0x0f)); expectEquals(0x0ff, $noinline$IntAbsMod1024(0x00ff)); expectEquals(0x03ff, $noinline$IntAbsMod1024(0x00ffff)); expectEquals(0x03ff, $noinline$IntAbsMod1024(Integer.MAX_VALUE)); expectEquals(0, $noinline$IntAbsMod1024(Integer.MIN_VALUE)); expectEquals(0, $noinline$IntAbsModMinus1024(0)); expectEquals(1, $noinline$IntAbsModMinus1024(1)); expectEquals(1, $noinline$IntAbsModMinus1024(1025)); expectEquals(1, $noinline$IntAbsModMinus1024(-1)); expectEquals(0, $noinline$IntAbsModMinus1024(2048)); expectEquals(0, $noinline$IntAbsModMinus1024(-2048)); expectEquals(0x0f, $noinline$IntAbsModMinus1024(0x0f)); expectEquals(0x0ff, $noinline$IntAbsModMinus1024(0x00ff)); expectEquals(0x03ff, $noinline$IntAbsModMinus1024(0x00ffff)); expectEquals(0x03ff, $noinline$IntAbsModMinus1024(Integer.MAX_VALUE)); expectEquals(0, $noinline$IntAbsModMinus1024(Integer.MIN_VALUE)); expectEquals(0, $noinline$IntALenMod1024(new int[0])); expectEquals(1, $noinline$IntALenMod1024(new int[1])); expectEquals(1, $noinline$IntALenMod1024(new int[1025])); expectEquals(0, $noinline$IntALenMod1024(new int[2048])); expectEquals(0x0f, $noinline$IntALenMod1024(new int[0x0f])); expectEquals(0x0ff, $noinline$IntALenMod1024(new int[0x00ff])); expectEquals(0x03ff, $noinline$IntALenMod1024(new int[0x00ffff])); expectEquals(0, $noinline$IntALenModMinus1024(new int[0])); expectEquals(1, $noinline$IntALenModMinus1024(new int[1])); expectEquals(1, $noinline$IntALenModMinus1024(new int[1025])); expectEquals(0, $noinline$IntALenModMinus1024(new int[2048])); expectEquals(0x0f, $noinline$IntALenModMinus1024(new int[0x0f])); expectEquals(0x0ff, $noinline$IntALenModMinus1024(new int[0x00ff])); expectEquals(0x03ff, $noinline$IntALenModMinus1024(new int[0x00ffff])); expectEquals(0, $noinline$IntModIntMin(0)); expectEquals(1, $noinline$IntModIntMin(1)); expectEquals(0, $noinline$IntModIntMin(Integer.MIN_VALUE)); expectEquals(-1, $noinline$IntModIntMin(-1)); expectEquals(0x0f, $noinline$IntModIntMin(0x0f)); expectEquals(0x00ff, $noinline$IntModIntMin(0x00ff)); expectEquals(0x00ffff, $noinline$IntModIntMin(0x00ffff)); expectEquals(Integer.MAX_VALUE, $noinline$IntModIntMin(Integer.MAX_VALUE)); expectEquals(0, $noinline$IntAbsModIntMin(0)); expectEquals(1, $noinline$IntAbsModIntMin(1)); expectEquals(0, $noinline$IntAbsModIntMin(Integer.MIN_VALUE)); expectEquals(1, $noinline$IntAbsModIntMin(-1)); expectEquals(0x0f, $noinline$IntAbsModIntMin(0x0f)); expectEquals(0x00ff, $noinline$IntAbsModIntMin(0x00ff)); expectEquals(0x00ffff, $noinline$IntAbsModIntMin(0x00ffff)); expectEquals(Integer.MAX_VALUE, $noinline$IntAbsModIntMin(Integer.MAX_VALUE)); } /// CHECK-START-ARM: java.lang.Integer RemTest.$noinline$IntMod2(int) disassembly (after) /// CHECK: add r{{\d+}}, r{{\d+}}, r{{\d+}}, lsr #31 /// CHECK-NEXT: bfc r{{\d+}}, #0, #1 /// CHECK-NEXT: sub{{s?}} r{{\d+}}, r{{\d+}}, r{{\d+}} // /// CHECK-START-ARM64: java.lang.Integer RemTest.$noinline$IntMod2(int) disassembly (after) /// CHECK: cmp w{{\d+}}, #0x0 /// CHECK-NEXT: and w{{\d+}}, w{{\d+}}, #0x1 /// CHECK-NEXT: cneg w{{\d+}}, w{{\d+}}, lt // /// CHECK-START-X86_64: java.lang.Integer RemTest.$noinline$IntMod2(int) disassembly (after) /// CHECK: Rem [{{i\d+}},{{i\d+}}] /// CHECK-NOT: imul /// CHECK-NOT: shr /// CHECK-NOT: imul /// CHECK: mov /// CHECK: and /// CHECK: jz/eq /// CHECK: lea /// CHECK: test /// CHECK: cmovl/nge private static Integer $noinline$IntMod2(int v) { int r = v % 2; return r; } /// CHECK-START-ARM: java.lang.Integer RemTest.$noinline$IntModMinus2(int) disassembly (after) /// CHECK: add r{{\d+}}, r{{\d+}}, r{{\d+}}, lsr #31 /// CHECK-NEXT: bfc r{{\d+}}, #0, #1 /// CHECK-NEXT: sub{{s?}} r{{\d+}}, r{{\d+}}, r{{\d+}} // /// CHECK-START-ARM64: java.lang.Integer RemTest.$noinline$IntModMinus2(int) disassembly (after) /// CHECK: cmp w{{\d+}}, #0x0 /// CHECK-NEXT: and w{{\d+}}, w{{\d+}}, #0x1 /// CHECK-NEXT: cneg w{{\d+}}, w{{\d+}}, lt // /// CHECK-START-X86_64: java.lang.Integer RemTest.$noinline$IntModMinus2(int) disassembly (after) /// CHECK: Rem [{{i\d+}},{{i\d+}}] /// CHECK-NOT: imul /// CHECK-NOT: shr /// CHECK-NOT: imul /// CHECK: mov /// CHECK: and /// CHECK: jz/eq /// CHECK: lea /// CHECK: test /// CHECK: cmovl/nge private static Integer $noinline$IntModMinus2(int v) { int r = v % -2; return r; } /// CHECK-START-ARM: java.lang.Integer RemTest.$noinline$IntAbsMod2(int) disassembly (after) /// CHECK: Rem /// CHECK-NEXT: and{{s?}} r{{\d+}}, r{{\d+}}, #0x1 // /// CHECK-START-ARM64: java.lang.Integer RemTest.$noinline$IntAbsMod2(int) disassembly (after) /// CHECK: Rem /// CHECK-NEXT: and w{{\d+}}, w{{\d+}}, #0x1 private static Integer $noinline$IntAbsMod2(int v) { int r = Math.abs(v) % 2; return r; } /// CHECK-START-ARM: java.lang.Integer RemTest.$noinline$IntAbsModMinus2(int) disassembly (after) /// CHECK: Rem /// CHECK-NEXT: and{{s?}} r{{\d+}}, r{{\d+}}, #0x1 // /// CHECK-START-ARM64: java.lang.Integer RemTest.$noinline$IntAbsModMinus2(int) disassembly (after) /// CHECK: Rem /// CHECK-NEXT: and w{{\d+}}, w{{\d+}}, #0x1 private static Integer $noinline$IntAbsModMinus2(int v) { int r = Math.abs(v) % -2; return r; } /// CHECK-START-ARM: java.lang.Integer RemTest.$noinline$IntALenMod2(int[]) disassembly (after) /// CHECK: Rem /// CHECK-NEXT: and{{s?}} r{{\d+}}, r{{\d+}}, #0x1 // /// CHECK-START-ARM64: java.lang.Integer RemTest.$noinline$IntALenMod2(int[]) disassembly (after) /// CHECK: Rem /// CHECK-NEXT: and w{{\d+}}, w{{\d+}}, #0x1 private static Integer $noinline$IntALenMod2(int[] arr) { int r = arr.length % 2; return r; } /// CHECK-START-ARM: java.lang.Integer RemTest.$noinline$IntALenModMinus2(int[]) disassembly (after) /// CHECK: Rem /// CHECK-NEXT: and{{s?}} r{{\d+}}, r{{\d+}}, #0x1 // /// CHECK-START-ARM64: java.lang.Integer RemTest.$noinline$IntALenModMinus2(int[]) disassembly (after) /// CHECK: Rem /// CHECK-NEXT: and w{{\d+}}, w{{\d+}}, #0x1 private static Integer $noinline$IntALenModMinus2(int[] arr) { int r = arr.length % -2; return r; } /// CHECK-START-ARM: java.lang.Integer RemTest.$noinline$IntMod16(int) disassembly (after) /// CHECK: asr{{s?}} r{{\d+}}, r{{\d+}}, #31 /// CHECK-NEXT: add r{{\d+}}, r{{\d+}}, r{{\d+}}, lsr #28 /// CHECK-NEXT: bfc r{{\d+}}, #0, #4 /// CHECK-NEXT: sub{{s?}} r{{\d+}}, r{{\d+}}, r{{\d+}} // /// CHECK-START-ARM64: java.lang.Integer RemTest.$noinline$IntMod16(int) disassembly (after) /// CHECK: negs w{{\d+}}, w{{\d+}} /// CHECK-NEXT: and w{{\d+}}, w{{\d+}}, #0xf /// CHECK-NEXT: and w{{\d+}}, w{{\d+}}, #0xf /// CHECK-NEXT: csneg w{{\d+}}, w{{\d+}}, mi // /// CHECK-START-X86_64: java.lang.Integer RemTest.$noinline$IntMod16(int) disassembly (after) /// CHECK: Rem [{{i\d+}},{{i\d+}}] /// CHECK-NOT: imul /// CHECK-NOT: shr /// CHECK-NOT: imul /// CHECK: mov /// CHECK: and /// CHECK: jz/eq /// CHECK: lea /// CHECK: test /// CHECK: cmovl/nge private static Integer $noinline$IntMod16(int v) { int r = v % 16; return r; } /// CHECK-START-ARM: java.lang.Integer RemTest.$noinline$IntModMinus16(int) disassembly (after) /// CHECK: asr{{s?}} r{{\d+}}, r{{\d+}}, #31 /// CHECK-NEXT: add r{{\d+}}, r{{\d+}}, r{{\d+}}, lsr #28 /// CHECK-NEXT: bfc r{{\d+}}, #0, #4 /// CHECK-NEXT: sub{{s?}} r{{\d+}}, r{{\d+}}, r{{\d+}} // /// CHECK-START-ARM64: java.lang.Integer RemTest.$noinline$IntModMinus16(int) disassembly (after) /// CHECK: negs w{{\d+}}, w{{\d+}} /// CHECK-NEXT: and w{{\d+}}, w{{\d+}}, #0xf /// CHECK-NEXT: and w{{\d+}}, w{{\d+}}, #0xf /// CHECK-NEXT: csneg w{{\d+}}, w{{\d+}}, mi // /// CHECK-START-X86_64: java.lang.Integer RemTest.$noinline$IntModMinus16(int) disassembly (after) /// CHECK: Rem [{{i\d+}},{{i\d+}}] /// CHECK-NOT: imul /// CHECK-NOT: shr /// CHECK-NOT: imul /// CHECK: mov /// CHECK: and /// CHECK: jz/eq /// CHECK: lea /// CHECK: test /// CHECK: cmovl/nge private static Integer $noinline$IntModMinus16(int v) { int r = v % -16; return r; } /// CHECK-START-ARM: java.lang.Integer RemTest.$noinline$IntAbsMod16(int) disassembly (after) /// CHECK: Rem /// CHECK-NEXT: and{{s?}} r{{\d+}}, r{{\d+}}, #0xf // /// CHECK-START-ARM64: java.lang.Integer RemTest.$noinline$IntAbsMod16(int) disassembly (after) /// CHECK: Rem /// CHECK-NEXT: and w{{\d+}}, w{{\d+}}, #0xf private static Integer $noinline$IntAbsMod16(int v) { int r = Math.abs(v) % 16; return r; } /// CHECK-START-ARM: java.lang.Integer RemTest.$noinline$IntAbsModMinus16(int) disassembly (after) /// CHECK: Rem /// CHECK-NEXT: and{{s?}} r{{\d+}}, r{{\d+}}, #0xf // /// CHECK-START-ARM64: java.lang.Integer RemTest.$noinline$IntAbsModMinus16(int) disassembly (after) /// CHECK: Rem /// CHECK-NEXT: and w{{\d+}}, w{{\d+}}, #0xf private static Integer $noinline$IntAbsModMinus16(int v) { int r = Math.abs(v) % -16; return r; } /// CHECK-START-ARM: java.lang.Integer RemTest.$noinline$IntALenMod16(int[]) disassembly (after) /// CHECK: Rem /// CHECK-NEXT: and{{s?}} r{{\d+}}, r{{\d+}}, #0xf // /// CHECK-START-ARM64: java.lang.Integer RemTest.$noinline$IntALenMod16(int[]) disassembly (after) /// CHECK: Rem /// CHECK-NEXT: and w{{\d+}}, w{{\d+}}, #0xf private static Integer $noinline$IntALenMod16(int[] arr) { int r = arr.length % 16; return r; } /// CHECK-START-ARM: java.lang.Integer RemTest.$noinline$IntALenModMinus16(int[]) disassembly (after) /// CHECK: Rem /// CHECK-NEXT: and{{s?}} r{{\d+}}, r{{\d+}}, #0xf // /// CHECK-START-ARM64: java.lang.Integer RemTest.$noinline$IntALenModMinus16(int[]) disassembly (after) /// CHECK: Rem /// CHECK-NEXT: and w{{\d+}}, w{{\d+}}, #0xf private static Integer $noinline$IntALenModMinus16(int[] arr) { int r = arr.length % -16; return r; } /// CHECK-START-ARM: java.lang.Integer RemTest.$noinline$IntAbsMod1024(int) disassembly (after) /// CHECK: Rem /// CHECK-NEXT: ubfx r{{\d+}}, r{{\d+}}, #0, #10 // /// CHECK-START-ARM64: java.lang.Integer RemTest.$noinline$IntAbsMod1024(int) disassembly (after) /// CHECK: Rem /// CHECK-NEXT: and w{{\d+}}, w{{\d+}}, #0x3ff private static Integer $noinline$IntAbsMod1024(int v) { int r = Math.abs(v) % 1024; return r; } /// CHECK-START-ARM: java.lang.Integer RemTest.$noinline$IntAbsModMinus1024(int) disassembly (after) /// CHECK: Rem /// CHECK-NEXT: ubfx r{{\d+}}, r{{\d+}}, #0, #10 // /// CHECK-START-ARM64: java.lang.Integer RemTest.$noinline$IntAbsModMinus1024(int) disassembly (after) /// CHECK: Rem /// CHECK-NEXT: and w{{\d+}}, w{{\d+}}, #0x3ff private static Integer $noinline$IntAbsModMinus1024(int v) { int r = Math.abs(v) % -1024; return r; } /// CHECK-START-ARM: java.lang.Integer RemTest.$noinline$IntALenMod1024(int[]) disassembly (after) /// CHECK: Rem /// CHECK-NEXT: ubfx r{{\d+}}, r{{\d+}}, #0, #10 // /// CHECK-START-ARM64: java.lang.Integer RemTest.$noinline$IntALenMod1024(int[]) disassembly (after) /// CHECK: Rem /// CHECK-NEXT: and w{{\d+}}, w{{\d+}}, #0x3ff private static Integer $noinline$IntALenMod1024(int[] arr) { int r = arr.length % 1024; return r; } /// CHECK-START-ARM: java.lang.Integer RemTest.$noinline$IntALenModMinus1024(int[]) disassembly (after) /// CHECK: Rem /// CHECK-NEXT: ubfx r{{\d+}}, r{{\d+}}, #0, #10 // /// CHECK-START-ARM64: java.lang.Integer RemTest.$noinline$IntALenModMinus1024(int[]) disassembly (after) /// CHECK: Rem /// CHECK-NEXT: and w{{\d+}}, w{{\d+}}, #0x3ff private static Integer $noinline$IntALenModMinus1024(int[] arr) { int r = arr.length % -1024; return r; } /// CHECK-START-ARM: java.lang.Integer RemTest.$noinline$IntModIntMin(int) disassembly (after) /// CHECK: asr{{s?}} r{{\d+}}, r{{\d+}}, #31 /// CHECK-NEXT: add r{{\d+}}, r{{\d+}}, r{{\d+}}, lsr #1 /// CHECK-NEXT: bfc r{{\d+}}, #0, #31 /// CHECK-NEXT: sub{{s?}} r{{\d+}}, r{{\d+}}, r{{\d+}} // /// CHECK-START-ARM64: java.lang.Integer RemTest.$noinline$IntModIntMin(int) disassembly (after) /// CHECK: negs w{{\d+}}, w{{\d+}} /// CHECK-NEXT: and w{{\d+}}, w{{\d+}}, #0x7fffffff /// CHECK-NEXT: and w{{\d+}}, w{{\d+}}, #0x7fffffff /// CHECK-NEXT: csneg w{{\d+}}, w{{\d+}}, mi // /// CHECK-START-X86_64: java.lang.Integer RemTest.$noinline$IntModIntMin(int) disassembly (after) /// CHECK: Rem [{{i\d+}},{{i\d+}}] /// CHECK-NOT: imul /// CHECK-NOT: shr /// CHECK-NOT: imul /// CHECK: mov /// CHECK: and /// CHECK: jz/eq /// CHECK: lea /// CHECK: test /// CHECK: cmovl/nge private static Integer $noinline$IntModIntMin(int v) { int r = v % Integer.MIN_VALUE; return r; } /// CHECK-START-ARM: java.lang.Integer RemTest.$noinline$IntAbsModIntMin(int) disassembly (after) /// CHECK: Rem /// CHECK-NEXT: ubfx r{{\d+}}, r{{\d+}}, #0, #31 // /// CHECK-START-ARM64: java.lang.Integer RemTest.$noinline$IntAbsModIntMin(int) disassembly (after) /// CHECK: Rem /// CHECK-NEXT: and w{{\d+}}, w{{\d+}}, #0x7fffffff private static Integer $noinline$IntAbsModIntMin(int v) { int r = Math.abs(v) % Integer.MIN_VALUE; return r; } private static void remLong() { expectEquals(0L, $noinline$LongMod2(0)); expectEquals(1L, $noinline$LongMod2(1)); expectEquals(-1L, $noinline$LongMod2(-1)); expectEquals(0L, $noinline$LongMod2(2)); expectEquals(0L, $noinline$LongMod2(-2)); expectEquals(1L, $noinline$LongMod2(3)); expectEquals(-1L, $noinline$LongMod2(-3)); expectEquals(1L, $noinline$LongMod2(0x0f)); expectEquals(1L, $noinline$LongMod2(0x00ff)); expectEquals(1L, $noinline$LongMod2(0x00ffff)); expectEquals(1L, $noinline$LongMod2(0x00ffffff)); expectEquals(1L, $noinline$LongMod2(0x00ffffffffL)); expectEquals(1L, $noinline$LongMod2(Long.MAX_VALUE)); expectEquals(0L, $noinline$LongMod2(Long.MIN_VALUE)); expectEquals(0L, $noinline$LongModMinus2(0)); expectEquals(1L, $noinline$LongModMinus2(1)); expectEquals(-1L, $noinline$LongModMinus2(-1)); expectEquals(0L, $noinline$LongModMinus2(2)); expectEquals(0L, $noinline$LongModMinus2(-2)); expectEquals(1L, $noinline$LongModMinus2(3)); expectEquals(-1L, $noinline$LongModMinus2(-3)); expectEquals(1L, $noinline$LongModMinus2(0x0f)); expectEquals(1L, $noinline$LongModMinus2(0x00ff)); expectEquals(1L, $noinline$LongModMinus2(0x00ffff)); expectEquals(1L, $noinline$LongModMinus2(0x00ffffff)); expectEquals(1L, $noinline$LongModMinus2(0x00ffffffffL)); expectEquals(1L, $noinline$LongModMinus2(Long.MAX_VALUE)); expectEquals(0L, $noinline$LongModMinus2(Long.MIN_VALUE)); expectEquals(0L, $noinline$LongAbsMod2(0)); expectEquals(1L, $noinline$LongAbsMod2(1)); expectEquals(1L, $noinline$LongAbsMod2(-1)); expectEquals(0L, $noinline$LongAbsMod2(2)); expectEquals(0L, $noinline$LongAbsMod2(-2)); expectEquals(1L, $noinline$LongAbsMod2(3)); expectEquals(1L, $noinline$LongAbsMod2(-3)); expectEquals(1L, $noinline$LongAbsMod2(0x0f)); expectEquals(1L, $noinline$LongAbsMod2(0x00ff)); expectEquals(1L, $noinline$LongAbsMod2(0x00ffff)); expectEquals(1L, $noinline$LongAbsMod2(0x00ffffff)); expectEquals(1L, $noinline$LongAbsMod2(0x00ffffffffL)); expectEquals(1L, $noinline$LongAbsMod2(Long.MAX_VALUE)); expectEquals(0L, $noinline$LongAbsMod2(Long.MIN_VALUE)); expectEquals(0L, $noinline$LongAbsModMinus2(0)); expectEquals(1L, $noinline$LongAbsModMinus2(1)); expectEquals(1L, $noinline$LongAbsModMinus2(-1)); expectEquals(0L, $noinline$LongAbsModMinus2(2)); expectEquals(0L, $noinline$LongAbsModMinus2(-2)); expectEquals(1L, $noinline$LongAbsModMinus2(3)); expectEquals(1L, $noinline$LongAbsModMinus2(-3)); expectEquals(1L, $noinline$LongAbsModMinus2(0x0f)); expectEquals(1L, $noinline$LongAbsModMinus2(0x00ff)); expectEquals(1L, $noinline$LongAbsModMinus2(0x00ffff)); expectEquals(1L, $noinline$LongAbsModMinus2(0x00ffffff)); expectEquals(1L, $noinline$LongAbsModMinus2(0x00ffffffffL)); expectEquals(1L, $noinline$LongAbsModMinus2(Long.MAX_VALUE)); expectEquals(0L, $noinline$LongAbsModMinus2(Long.MIN_VALUE)); expectEquals(0L, $noinline$LongMod16(0)); expectEquals(1L, $noinline$LongMod16(1)); expectEquals(1L, $noinline$LongMod16(17)); expectEquals(-1L, $noinline$LongMod16(-1)); expectEquals(0L, $noinline$LongMod16(32)); expectEquals(0L, $noinline$LongMod16(-32)); expectEquals(0x0fL, $noinline$LongMod16(0x0f)); expectEquals(0x0fL, $noinline$LongMod16(0x00ff)); expectEquals(0x0fL, $noinline$LongMod16(0x00ffff)); expectEquals(0x0fL, $noinline$LongMod16(0x00ffffff)); expectEquals(0x0fL, $noinline$LongMod16(0x00ffffffffL)); expectEquals(15L, $noinline$LongMod16(Long.MAX_VALUE)); expectEquals(0L, $noinline$LongMod16(Long.MIN_VALUE)); expectEquals(0L, $noinline$LongModMinus16(0)); expectEquals(1L, $noinline$LongModMinus16(1)); expectEquals(1L, $noinline$LongModMinus16(17)); expectEquals(-1L, $noinline$LongModMinus16(-1)); expectEquals(0L, $noinline$LongModMinus16(32)); expectEquals(0L, $noinline$LongModMinus16(-32)); expectEquals(0x0fL, $noinline$LongModMinus16(0x0f)); expectEquals(0x0fL, $noinline$LongModMinus16(0x00ff)); expectEquals(0x0fL, $noinline$LongModMinus16(0x00ffff)); expectEquals(0x0fL, $noinline$LongModMinus16(0x00ffffff)); expectEquals(0x0fL, $noinline$LongModMinus16(0x00ffffffffL)); expectEquals(15L, $noinline$LongModMinus16(Long.MAX_VALUE)); expectEquals(0L, $noinline$LongModMinus16(Long.MIN_VALUE)); expectEquals(0L, $noinline$LongAbsMod16(0)); expectEquals(1L, $noinline$LongAbsMod16(1)); expectEquals(1L, $noinline$LongAbsMod16(17)); expectEquals(1L, $noinline$LongAbsMod16(-1)); expectEquals(0L, $noinline$LongAbsMod16(32)); expectEquals(0L, $noinline$LongAbsMod16(-32)); expectEquals(0x0fL, $noinline$LongAbsMod16(0x0f)); expectEquals(0x0fL, $noinline$LongAbsMod16(0x00ff)); expectEquals(0x0fL, $noinline$LongAbsMod16(0x00ffff)); expectEquals(0x0fL, $noinline$LongAbsMod16(0x00ffffff)); expectEquals(0x0fL, $noinline$LongAbsMod16(0x00ffffffffL)); expectEquals(15L, $noinline$LongAbsMod16(Long.MAX_VALUE)); expectEquals(0L, $noinline$LongAbsMod16(Long.MIN_VALUE)); expectEquals(0L, $noinline$LongAbsModMinus16(0)); expectEquals(1L, $noinline$LongAbsModMinus16(1)); expectEquals(1L, $noinline$LongAbsModMinus16(17)); expectEquals(1L, $noinline$LongAbsModMinus16(-1)); expectEquals(0L, $noinline$LongAbsModMinus16(32)); expectEquals(0L, $noinline$LongAbsModMinus16(-32)); expectEquals(0x0fL, $noinline$LongAbsModMinus16(0x0f)); expectEquals(0x0fL, $noinline$LongAbsModMinus16(0x00ff)); expectEquals(0x0fL, $noinline$LongAbsModMinus16(0x00ffff)); expectEquals(0x0fL, $noinline$LongAbsModMinus16(0x00ffffff)); expectEquals(0x0fL, $noinline$LongAbsModMinus16(0x00ffffffffL)); expectEquals(15L, $noinline$LongAbsModMinus16(Long.MAX_VALUE)); expectEquals(0L, $noinline$LongAbsModMinus16(Long.MIN_VALUE)); expectEquals(0L, $noinline$LongModLongMin(0)); expectEquals(1L, $noinline$LongModLongMin(1)); expectEquals(0L, $noinline$LongModLongMin(Long.MIN_VALUE)); expectEquals(-1L, $noinline$LongModLongMin(-1)); expectEquals(0x0fL, $noinline$LongModLongMin(0x0f)); expectEquals(0x00ffL, $noinline$LongModLongMin(0x00ff)); expectEquals(0x00ffffL, $noinline$LongModLongMin(0x00ffff)); expectEquals(0x00ffffffL, $noinline$LongModLongMin(0x00ffffff)); expectEquals(0x00ffffffffL, $noinline$LongModLongMin(0x00ffffffffL)); expectEquals(Long.MAX_VALUE, $noinline$LongModLongMin(Long.MAX_VALUE)); expectEquals(0L, $noinline$LongAbsModLongMin(0)); expectEquals(1L, $noinline$LongAbsModLongMin(1)); expectEquals(0L, $noinline$LongAbsModLongMin(Long.MIN_VALUE)); expectEquals(1L, $noinline$LongAbsModLongMin(-1)); expectEquals(0x0fL, $noinline$LongAbsModLongMin(0x0f)); expectEquals(0x00ffL, $noinline$LongAbsModLongMin(0x00ff)); expectEquals(0x00ffffL, $noinline$LongAbsModLongMin(0x00ffff)); expectEquals(0x00ffffffL, $noinline$LongAbsModLongMin(0x00ffffff)); expectEquals(0x00ffffffffL, $noinline$LongAbsModLongMin(0x00ffffffffL)); expectEquals(Long.MAX_VALUE, $noinline$LongAbsModLongMin(Long.MAX_VALUE)); } /// CHECK-START-ARM64: java.lang.Long RemTest.$noinline$LongMod2(long) disassembly (after) /// CHECK: cmp x{{\d+}}, #0x0 /// CHECK-NEXT: and x{{\d+}}, x{{\d+}}, #0x1 /// CHECK-NEXT: cneg x{{\d+}}, x{{\d+}}, lt // /// CHECK-START-X86_64: java.lang.Long RemTest.$noinline$LongMod2(long) disassembly (after) /// CHECK: Rem [{{j\d+}},{{j\d+}}] /// CHECK-NOT: imul /// CHECK-NOT: shrq /// CHECK-NOT: imulq /// CHECK: movq /// CHECK: andq /// CHECK: jz/eq /// CHECK: movq /// CHECK: sarq /// CHECK: shlq /// CHECK: orq private static Long $noinline$LongMod2(long v) { long r = v % 2; return r; } /// CHECK-START-ARM64: java.lang.Long RemTest.$noinline$LongModMinus2(long) disassembly (after) /// CHECK: cmp x{{\d+}}, #0x0 /// CHECK-NEXT: and x{{\d+}}, x{{\d+}}, #0x1 /// CHECK-NEXT: cneg x{{\d+}}, x{{\d+}}, lt // /// CHECK-START-X86_64: java.lang.Long RemTest.$noinline$LongModMinus2(long) disassembly (after) /// CHECK: Rem [{{j\d+}},{{j\d+}}] /// CHECK-NOT: imul /// CHECK-NOT: shrq /// CHECK-NOT: imulq /// CHECK: movq /// CHECK: andq /// CHECK: jz/eq /// CHECK: movq /// CHECK: sarq /// CHECK: shlq /// CHECK: orq private static Long $noinline$LongModMinus2(long v) { long r = v % -2; return r; } /// CHECK-START-ARM64: java.lang.Long RemTest.$noinline$LongAbsMod2(long) disassembly (after) /// CHECK: Rem /// CHECK-NEXT: and x{{\d+}}, x{{\d+}}, #0x1 private static Long $noinline$LongAbsMod2(long v) { long r = Math.abs(v) % 2; return r; } /// CHECK-START-ARM64: java.lang.Long RemTest.$noinline$LongAbsModMinus2(long) disassembly (after) /// CHECK: Rem /// CHECK-NEXT: and x{{\d+}}, x{{\d+}}, #0x1 private static Long $noinline$LongAbsModMinus2(long v) { long r = Math.abs(v) % -2; return r; } /// CHECK-START-ARM64: java.lang.Long RemTest.$noinline$LongMod16(long) disassembly (after) /// CHECK: negs x{{\d+}}, x{{\d+}} /// CHECK-NEXT: and x{{\d+}}, x{{\d+}}, #0xf /// CHECK-NEXT: and x{{\d+}}, x{{\d+}}, #0xf /// CHECK-NEXT: csneg x{{\d+}}, x{{\d+}}, mi /// CHECK-START-X86_64: java.lang.Long RemTest.$noinline$LongMod16(long) disassembly (after) /// CHECK: Rem [{{j\d+}},{{j\d+}}] /// CHECK-NOT: imul /// CHECK-NOT: shrq /// CHECK-NOT: imulq /// CHECK: movq /// CHECK: andq /// CHECK: jz/eq /// CHECK: movq /// CHECK: sarq /// CHECK: shlq /// CHECK: orq private static Long $noinline$LongMod16(long v) { long r = v % 16; return r; } /// CHECK-START-ARM64: java.lang.Long RemTest.$noinline$LongModMinus16(long) disassembly (after) /// CHECK: negs x{{\d+}}, x{{\d+}} /// CHECK-NEXT: and x{{\d+}}, x{{\d+}}, #0xf /// CHECK-NEXT: and x{{\d+}}, x{{\d+}}, #0xf /// CHECK-NEXT: csneg x{{\d+}}, x{{\d+}}, mi // /// CHECK-START-X86_64: java.lang.Long RemTest.$noinline$LongModMinus16(long) disassembly (after) /// CHECK: Rem [{{j\d+}},{{j\d+}}] /// CHECK-NOT: imul /// CHECK-NOT: shrq /// CHECK-NOT: imulq /// CHECK: movq /// CHECK: andq /// CHECK: jz/eq /// CHECK: movq /// CHECK: sarq /// CHECK: shlq /// CHECK: orq private static Long $noinline$LongModMinus16(long v) { long r = v % -16; return r; } /// CHECK-START-ARM64: java.lang.Long RemTest.$noinline$LongAbsMod16(long) disassembly (after) /// CHECK: Rem /// CHECK-NEXT: and x{{\d+}}, x{{\d+}}, #0xf private static Long $noinline$LongAbsMod16(long v) { long r = Math.abs(v) % 16; return r; } /// CHECK-START-ARM64: java.lang.Long RemTest.$noinline$LongAbsModMinus16(long) disassembly (after) /// CHECK: Rem /// CHECK-NEXT: and x{{\d+}}, x{{\d+}}, #0xf private static Long $noinline$LongAbsModMinus16(long v) { long r = Math.abs(v) % -16; return r; } /// CHECK-START-ARM64: java.lang.Long RemTest.$noinline$LongModLongMin(long) disassembly (after) /// CHECK: negs x{{\d+}}, x{{\d+}} /// CHECK-NEXT: and x{{\d+}}, x{{\d+}}, #0x7fffffffffffffff /// CHECK-NEXT: and x{{\d+}}, x{{\d+}}, #0x7fffffffffffffff /// CHECK-NEXT: csneg x{{\d+}}, x{{\d+}}, mi // /// CHECK-START-X86_64: java.lang.Long RemTest.$noinline$LongModLongMin(long) disassembly (after) /// CHECK: Rem [{{j\d+}},{{j\d+}}] /// CHECK-NOT: imul /// CHECK-NOT: shrq /// CHECK-NOT: imulq /// CHECK: movq /// CHECK: andq /// CHECK: jz/eq /// CHECK: movq /// CHECK: sarq /// CHECK: shlq /// CHECK: orq private static Long $noinline$LongModLongMin(long v) { long r = v % Long.MIN_VALUE; return r; } /// CHECK-START-ARM64: java.lang.Long RemTest.$noinline$LongAbsModLongMin(long) disassembly (after) /// CHECK: Rem /// CHECK-NEXT: and x{{\d+}}, x{{\d+}}, #0x7fffffffffffffff private static Long $noinline$LongAbsModLongMin(long v) { long r = Math.abs(v) % Long.MIN_VALUE; return r; } }