| /* |
| * Copyright (C) 2017 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. |
| */ |
| |
| /** |
| * Tests for halving-add idiomatic vectorization. |
| */ |
| public class HaddShort { |
| |
| private static final int N = 64 * 1024; |
| private static final int M = N + 31; |
| |
| static short[] sB1 = new short[M]; |
| static short[] sB2 = new short[M]; |
| static short[] sBo = new short[M]; |
| |
| private static int $inline$mone() { |
| return -1; |
| } |
| |
| /// CHECK-START: void HaddShort.halving_add_signed(short[], short[], short[]) loop_optimization (before) |
| /// CHECK-DAG: <<I1:i\d+>> IntConstant 1 loop:none |
| /// CHECK-DAG: <<Phi:i\d+>> Phi loop:<<Loop:B\d+>> outer_loop:none |
| /// CHECK-DAG: <<Get1:s\d+>> ArrayGet loop:<<Loop>> outer_loop:none |
| /// CHECK-DAG: <<Get2:s\d+>> ArrayGet loop:<<Loop>> outer_loop:none |
| /// CHECK-DAG: <<Add:i\d+>> Add [<<Get1>>,<<Get2>>] loop:<<Loop>> outer_loop:none |
| /// CHECK-DAG: <<Shr:i\d+>> Shr [<<Add>>,<<I1>>] loop:<<Loop>> outer_loop:none |
| /// CHECK-DAG: <<Cnv:s\d+>> TypeConversion [<<Shr>>] loop:<<Loop>> outer_loop:none |
| /// CHECK-DAG: ArraySet [{{l\d+}},<<Phi>>,<<Cnv>>] loop:<<Loop>> outer_loop:none |
| // |
| /// CHECK-START-ARM: void HaddShort.halving_add_signed(short[], short[], short[]) loop_optimization (after) |
| /// CHECK-DAG: <<Get1:d\d+>> VecLoad loop:<<Loop:B\d+>> outer_loop:none |
| /// CHECK-DAG: <<Get2:d\d+>> VecLoad loop:<<Loop>> outer_loop:none |
| /// CHECK-DAG: <<HAdd:d\d+>> VecHalvingAdd [<<Get1>>,<<Get2>>] packed_type:Int16 rounded:false loop:<<Loop>> outer_loop:none |
| /// CHECK-DAG: VecStore [{{l\d+}},{{i\d+}},<<HAdd>>] loop:<<Loop>> outer_loop:none |
| // |
| /// CHECK-START-ARM64: void HaddShort.halving_add_signed(short[], short[], short[]) loop_optimization (after) |
| /// CHECK-IF: hasIsaFeature("sve") |
| // |
| // HalvingAdd idiom is not supported for SVE. |
| /// CHECK-NOT: VecHalvingAdd |
| // |
| /// CHECK-ELSE: |
| // |
| /// CHECK-DAG: <<Get1:d\d+>> VecLoad loop:<<Loop:B\d+>> outer_loop:none |
| /// CHECK-DAG: <<Get2:d\d+>> VecLoad loop:<<Loop>> outer_loop:none |
| /// CHECK-DAG: <<HAdd:d\d+>> VecHalvingAdd [<<Get1>>,<<Get2>>] packed_type:Int16 rounded:false loop:<<Loop>> outer_loop:none |
| /// CHECK-DAG: VecStore [{{l\d+}},{{i\d+}},<<HAdd>>] loop:<<Loop>> outer_loop:none |
| // |
| /// CHECK-FI: |
| private static void halving_add_signed(short[] b1, short[] b2, short[] bo) { |
| int min_length = Math.min(bo.length, Math.min(b1.length, b2.length)); |
| for (int i = 0; i < min_length; i++) { |
| bo[i] = (short) ((b1[i] + b2[i]) >> 1); |
| } |
| } |
| |
| /// CHECK-START: void HaddShort.halving_add_signed_alt(short[], short[], short[]) loop_optimization (before) |
| /// CHECK-DAG: <<I1:i\d+>> IntConstant 1 loop:none |
| /// CHECK-DAG: <<I10:i\d+>> IntConstant 10 loop:none |
| /// CHECK-DAG: <<M10:i\d+>> IntConstant -10 loop:none |
| /// CHECK-DAG: <<Phi:i\d+>> Phi loop:<<Loop:B\d+>> outer_loop:none |
| /// CHECK-DAG: <<Get1:s\d+>> ArrayGet loop:<<Loop>> outer_loop:none |
| /// CHECK-DAG: <<Get2:s\d+>> ArrayGet loop:<<Loop>> outer_loop:none |
| /// CHECK-DAG: <<Add1:i\d+>> Add [<<Get1>>,<<I10>>] loop:<<Loop>> outer_loop:none |
| /// CHECK-DAG: <<Add2:i\d+>> Add [<<Get2>>,<<M10>>] loop:<<Loop>> outer_loop:none |
| /// CHECK-DAG: <<Add3:i\d+>> Add [<<Add1>>,<<Add2>>] loop:<<Loop>> outer_loop:none |
| /// CHECK-DAG: <<Shr:i\d+>> Shr [<<Add3>>,<<I1>>] loop:<<Loop>> outer_loop:none |
| /// CHECK-DAG: <<Cnv:s\d+>> TypeConversion [<<Shr>>] loop:<<Loop>> outer_loop:none |
| /// CHECK-DAG: ArraySet [{{l\d+}},<<Phi>>,<<Cnv>>] loop:<<Loop>> outer_loop:none |
| // |
| /// CHECK-START-ARM: void HaddShort.halving_add_signed_alt(short[], short[], short[]) loop_optimization (after) |
| /// CHECK-DAG: <<Get1:d\d+>> VecLoad loop:<<Loop:B\d+>> outer_loop:none |
| /// CHECK-DAG: <<Get2:d\d+>> VecLoad loop:<<Loop>> outer_loop:none |
| /// CHECK-DAG: <<HAdd:d\d+>> VecHalvingAdd [<<Get1>>,<<Get2>>] packed_type:Int16 rounded:false loop:<<Loop>> outer_loop:none |
| /// CHECK-DAG: VecStore [{{l\d+}},{{i\d+}},<<HAdd>>] loop:<<Loop>> outer_loop:none |
| // |
| /// CHECK-START-ARM64: void HaddShort.halving_add_signed_alt(short[], short[], short[]) loop_optimization (after) |
| /// CHECK-IF: hasIsaFeature("sve") |
| // |
| // HalvingAdd idiom is not supported for SVE. |
| /// CHECK-NOT: VecHalvingAdd |
| // |
| /// CHECK-ELSE: |
| // |
| /// CHECK-DAG: <<Get1:d\d+>> VecLoad loop:<<Loop:B\d+>> outer_loop:none |
| /// CHECK-DAG: <<Get2:d\d+>> VecLoad loop:<<Loop>> outer_loop:none |
| /// CHECK-DAG: <<HAdd:d\d+>> VecHalvingAdd [<<Get1>>,<<Get2>>] packed_type:Int16 rounded:false loop:<<Loop>> outer_loop:none |
| /// CHECK-DAG: VecStore [{{l\d+}},{{i\d+}},<<HAdd>>] loop:<<Loop>> outer_loop:none |
| // |
| /// CHECK-FI: |
| private static void halving_add_signed_alt(short[] b1, short[] b2, short[] bo) { |
| int min_length = Math.min(bo.length, Math.min(b1.length, b2.length)); |
| for (int i = 0; i < min_length; i++) { |
| // Cancelling constant computations do not confuse recognition. |
| bo[i] = (short) (((b1[i] + 10) + (b2[i] - 10)) >> 1); |
| } |
| } |
| |
| /// CHECK-START: void HaddShort.halving_add_unsigned(short[], short[], short[]) instruction_simplifier (before) |
| /// CHECK-DAG: <<I1:i\d+>> IntConstant 1 loop:none |
| /// CHECK-DAG: <<UMAX:i\d+>> IntConstant 65535 loop:none |
| /// CHECK-DAG: <<Phi:i\d+>> Phi loop:<<Loop:B\d+>> outer_loop:none |
| /// CHECK-DAG: <<Get1:s\d+>> ArrayGet loop:<<Loop>> outer_loop:none |
| /// CHECK-DAG: <<Get2:s\d+>> ArrayGet loop:<<Loop>> outer_loop:none |
| /// CHECK-DAG: <<And1:i\d+>> And [<<Get1>>,<<UMAX>>] loop:<<Loop>> outer_loop:none |
| /// CHECK-DAG: <<And2:i\d+>> And [<<UMAX>>,<<Get2>>] loop:<<Loop>> outer_loop:none |
| /// CHECK-DAG: <<Add:i\d+>> Add [<<And1>>,<<And2>>] loop:<<Loop>> outer_loop:none |
| /// CHECK-DAG: <<Shr:i\d+>> Shr [<<Add>>,<<I1>>] loop:<<Loop>> outer_loop:none |
| /// CHECK-DAG: <<Cnv:s\d+>> TypeConversion [<<Shr>>] loop:<<Loop>> outer_loop:none |
| /// CHECK-DAG: ArraySet [{{l\d+}},{{i\d+}},<<Cnv>>] loop:<<Loop>> outer_loop:none |
| // |
| /// CHECK-START: void HaddShort.halving_add_unsigned(short[], short[], short[]) loop_optimization (before) |
| /// CHECK-DAG: <<I1:i\d+>> IntConstant 1 loop:none |
| /// CHECK-DAG: <<Phi:i\d+>> Phi loop:<<Loop:B\d+>> outer_loop:none |
| /// CHECK-DAG: <<Get1:c\d+>> ArrayGet loop:<<Loop>> outer_loop:none |
| /// CHECK-DAG: <<Get2:c\d+>> ArrayGet loop:<<Loop>> outer_loop:none |
| /// CHECK-DAG: <<Add:i\d+>> Add [<<Get1>>,<<Get2>>] loop:<<Loop>> outer_loop:none |
| /// CHECK-DAG: <<Shr:i\d+>> Shr [<<Add>>,<<I1>>] loop:<<Loop>> outer_loop:none |
| /// CHECK-DAG: <<Cnv:s\d+>> TypeConversion [<<Shr>>] loop:<<Loop>> outer_loop:none |
| /// CHECK-DAG: ArraySet [{{l\d+}},<<Phi>>,<<Cnv>>] loop:<<Loop>> outer_loop:none |
| // |
| /// CHECK-START-ARM: void HaddShort.halving_add_unsigned(short[], short[], short[]) loop_optimization (after) |
| /// CHECK-DAG: <<Get1:d\d+>> VecLoad loop:<<Loop:B\d+>> outer_loop:none |
| /// CHECK-DAG: <<Get2:d\d+>> VecLoad loop:<<Loop>> outer_loop:none |
| /// CHECK-DAG: <<HAdd:d\d+>> VecHalvingAdd [<<Get1>>,<<Get2>>] packed_type:Uint16 rounded:false loop:<<Loop>> outer_loop:none |
| /// CHECK-DAG: VecStore [{{l\d+}},{{i\d+}},<<HAdd>>] loop:<<Loop>> outer_loop:none |
| // |
| /// CHECK-START-ARM64: void HaddShort.halving_add_unsigned(short[], short[], short[]) loop_optimization (after) |
| /// CHECK-IF: hasIsaFeature("sve") |
| // |
| // HalvingAdd idiom is not supported for SVE. |
| /// CHECK-NOT: VecHalvingAdd |
| // |
| /// CHECK-ELSE: |
| // |
| /// CHECK-DAG: <<Get1:d\d+>> VecLoad loop:<<Loop:B\d+>> outer_loop:none |
| /// CHECK-DAG: <<Get2:d\d+>> VecLoad loop:<<Loop>> outer_loop:none |
| /// CHECK-DAG: <<HAdd:d\d+>> VecHalvingAdd [<<Get1>>,<<Get2>>] packed_type:Uint16 rounded:false loop:<<Loop>> outer_loop:none |
| /// CHECK-DAG: VecStore [{{l\d+}},{{i\d+}},<<HAdd>>] loop:<<Loop>> outer_loop:none |
| // |
| /// CHECK-FI: |
| private static void halving_add_unsigned(short[] b1, short[] b2, short[] bo) { |
| int min_length = Math.min(bo.length, Math.min(b1.length, b2.length)); |
| for (int i = 0; i < min_length; i++) { |
| int v1 = b1[i] & 0xffff; |
| int v2 = b2[i] & 0xffff; |
| bo[i] = (short) ((v1 + v2) >> 1); |
| } |
| } |
| |
| /// CHECK-START: void HaddShort.rounding_halving_add_signed(short[], short[], short[]) loop_optimization (before) |
| /// CHECK-DAG: <<I1:i\d+>> IntConstant 1 loop:none |
| /// CHECK-DAG: <<Phi:i\d+>> Phi loop:<<Loop:B\d+>> outer_loop:none |
| /// CHECK-DAG: <<Get1:s\d+>> ArrayGet loop:<<Loop>> outer_loop:none |
| /// CHECK-DAG: <<Get2:s\d+>> ArrayGet loop:<<Loop>> outer_loop:none |
| /// CHECK-DAG: <<Add1:i\d+>> Add [<<Get1>>,<<Get2>>] loop:<<Loop>> outer_loop:none |
| /// CHECK-DAG: <<Add2:i\d+>> Add [<<Add1>>,<<I1>>] loop:<<Loop>> outer_loop:none |
| /// CHECK-DAG: <<Shr:i\d+>> Shr [<<Add2>>,<<I1>>] loop:<<Loop>> outer_loop:none |
| /// CHECK-DAG: <<Cnv:s\d+>> TypeConversion [<<Shr>>] loop:<<Loop>> outer_loop:none |
| /// CHECK-DAG: ArraySet [{{l\d+}},<<Phi>>,<<Cnv>>] loop:<<Loop>> outer_loop:none |
| // |
| /// CHECK-START-ARM: void HaddShort.rounding_halving_add_signed(short[], short[], short[]) loop_optimization (after) |
| /// CHECK-DAG: <<Get1:d\d+>> VecLoad loop:<<Loop:B\d+>> outer_loop:none |
| /// CHECK-DAG: <<Get2:d\d+>> VecLoad loop:<<Loop>> outer_loop:none |
| /// CHECK-DAG: <<HAdd:d\d+>> VecHalvingAdd [<<Get1>>,<<Get2>>] packed_type:Int16 rounded:true loop:<<Loop>> outer_loop:none |
| /// CHECK-DAG: VecStore [{{l\d+}},{{i\d+}},<<HAdd>>] loop:<<Loop>> outer_loop:none |
| // |
| /// CHECK-START-ARM64: void HaddShort.rounding_halving_add_signed(short[], short[], short[]) loop_optimization (after) |
| /// CHECK-IF: hasIsaFeature("sve") |
| // |
| // HalvingAdd idiom is not supported for SVE. |
| /// CHECK-NOT: VecHalvingAdd |
| // |
| /// CHECK-ELSE: |
| // |
| /// CHECK-DAG: <<Get1:d\d+>> VecLoad loop:<<Loop:B\d+>> outer_loop:none |
| /// CHECK-DAG: <<Get2:d\d+>> VecLoad loop:<<Loop>> outer_loop:none |
| /// CHECK-DAG: <<HAdd:d\d+>> VecHalvingAdd [<<Get1>>,<<Get2>>] packed_type:Int16 rounded:true loop:<<Loop>> outer_loop:none |
| /// CHECK-DAG: VecStore [{{l\d+}},{{i\d+}},<<HAdd>>] loop:<<Loop>> outer_loop:none |
| // |
| /// CHECK-FI: |
| private static void rounding_halving_add_signed(short[] b1, short[] b2, short[] bo) { |
| int min_length = Math.min(bo.length, Math.min(b1.length, b2.length)); |
| for (int i = 0; i < min_length; i++) { |
| bo[i] = (short) ((b1[i] + b2[i] + 1) >> 1); |
| } |
| } |
| |
| /// CHECK-START: void HaddShort.rounding_halving_add_signed_alt(short[], short[], short[]) loop_optimization (before) |
| /// CHECK-DAG: <<I1:i\d+>> IntConstant 1 loop:none |
| /// CHECK-DAG: <<Phi:i\d+>> Phi loop:<<Loop:B\d+>> outer_loop:none |
| /// CHECK-DAG: <<Get1:s\d+>> ArrayGet loop:<<Loop>> outer_loop:none |
| /// CHECK-DAG: <<Get2:s\d+>> ArrayGet loop:<<Loop>> outer_loop:none |
| /// CHECK-DAG: <<Add1:i\d+>> Add [<<Get1>>,<<I1>>] loop:<<Loop>> outer_loop:none |
| /// CHECK-DAG: <<Add2:i\d+>> Add [<<Add1>>,<<Get2>>] loop:<<Loop>> outer_loop:none |
| /// CHECK-DAG: <<Shr:i\d+>> Shr [<<Add2>>,<<I1>>] loop:<<Loop>> outer_loop:none |
| /// CHECK-DAG: <<Cnv:s\d+>> TypeConversion [<<Shr>>] loop:<<Loop>> outer_loop:none |
| /// CHECK-DAG: ArraySet [{{l\d+}},<<Phi>>,<<Cnv>>] loop:<<Loop>> outer_loop:none |
| // |
| /// CHECK-START-ARM: void HaddShort.rounding_halving_add_signed_alt(short[], short[], short[]) loop_optimization (after) |
| /// CHECK-DAG: <<Get1:d\d+>> VecLoad loop:<<Loop:B\d+>> outer_loop:none |
| /// CHECK-DAG: <<Get2:d\d+>> VecLoad loop:<<Loop>> outer_loop:none |
| /// CHECK-DAG: <<HAdd:d\d+>> VecHalvingAdd [<<Get1>>,<<Get2>>] packed_type:Int16 rounded:true loop:<<Loop>> outer_loop:none |
| /// CHECK-DAG: VecStore [{{l\d+}},{{i\d+}},<<HAdd>>] loop:<<Loop>> outer_loop:none |
| // |
| /// CHECK-START-ARM64: void HaddShort.rounding_halving_add_signed_alt(short[], short[], short[]) loop_optimization (after) |
| /// CHECK-IF: hasIsaFeature("sve") |
| // |
| // HalvingAdd idiom is not supported for SVE. |
| /// CHECK-NOT: VecHalvingAdd |
| // |
| /// CHECK-ELSE: |
| // |
| /// CHECK-DAG: <<Get1:d\d+>> VecLoad loop:<<Loop:B\d+>> outer_loop:none |
| /// CHECK-DAG: <<Get2:d\d+>> VecLoad loop:<<Loop>> outer_loop:none |
| /// CHECK-DAG: <<HAdd:d\d+>> VecHalvingAdd [<<Get1>>,<<Get2>>] packed_type:Int16 rounded:true loop:<<Loop>> outer_loop:none |
| /// CHECK-DAG: VecStore [{{l\d+}},{{i\d+}},<<HAdd>>] loop:<<Loop>> outer_loop:none |
| // |
| /// CHECK-FI: |
| private static void rounding_halving_add_signed_alt(short[] b1, short[] b2, short[] bo) { |
| int min_length = Math.min(bo.length, Math.min(b1.length, b2.length)); |
| for (int i = 0; i < min_length; i++) { |
| // Slightly different order in idiom does not confuse recognition. |
| bo[i] = (short) (((1 + b1[i]) + b2[i]) >> 1); |
| } |
| } |
| |
| /// CHECK-START: void HaddShort.rounding_halving_add_signed_alt2(short[], short[], short[]) loop_optimization (before) |
| /// CHECK-DAG: <<I1:i\d+>> IntConstant 1 loop:none |
| /// CHECK-DAG: <<I10:i\d+>> IntConstant 10 loop:none |
| /// CHECK-DAG: <<M9:i\d+>> IntConstant -9 loop:none |
| /// CHECK-DAG: <<Phi:i\d+>> Phi loop:<<Loop:B\d+>> outer_loop:none |
| /// CHECK-DAG: <<Get1:s\d+>> ArrayGet loop:<<Loop>> outer_loop:none |
| /// CHECK-DAG: <<Get2:s\d+>> ArrayGet loop:<<Loop>> outer_loop:none |
| /// CHECK-DAG: <<Add1:i\d+>> Add [<<Get1>>,<<I10>>] loop:<<Loop>> outer_loop:none |
| /// CHECK-DAG: <<Add2:i\d+>> Add [<<Get2>>,<<M9>>] loop:<<Loop>> outer_loop:none |
| /// CHECK-DAG: <<Add3:i\d+>> Add [<<Add1>>,<<Add2>>] loop:<<Loop>> outer_loop:none |
| /// CHECK-DAG: <<Shr:i\d+>> Shr [<<Add3>>,<<I1>>] loop:<<Loop>> outer_loop:none |
| /// CHECK-DAG: <<Cnv:s\d+>> TypeConversion [<<Shr>>] loop:<<Loop>> outer_loop:none |
| /// CHECK-DAG: ArraySet [{{l\d+}},<<Phi>>,<<Cnv>>] loop:<<Loop>> outer_loop:none |
| // |
| /// CHECK-START-ARM: void HaddShort.rounding_halving_add_signed_alt2(short[], short[], short[]) loop_optimization (after) |
| /// CHECK-DAG: <<Get1:d\d+>> VecLoad loop:<<Loop:B\d+>> outer_loop:none |
| /// CHECK-DAG: <<Get2:d\d+>> VecLoad loop:<<Loop>> outer_loop:none |
| /// CHECK-DAG: <<HAdd:d\d+>> VecHalvingAdd [<<Get1>>,<<Get2>>] packed_type:Int16 rounded:true loop:<<Loop>> outer_loop:none |
| /// CHECK-DAG: VecStore [{{l\d+}},{{i\d+}},<<HAdd>>] loop:<<Loop>> outer_loop:none |
| // |
| /// CHECK-START-ARM64: void HaddShort.rounding_halving_add_signed_alt2(short[], short[], short[]) loop_optimization (after) |
| /// CHECK-IF: hasIsaFeature("sve") |
| // |
| // HalvingAdd idiom is not supported for SVE. |
| /// CHECK-NOT: VecHalvingAdd |
| // |
| /// CHECK-ELSE: |
| // |
| /// CHECK-DAG: <<Get1:d\d+>> VecLoad loop:<<Loop:B\d+>> outer_loop:none |
| /// CHECK-DAG: <<Get2:d\d+>> VecLoad loop:<<Loop>> outer_loop:none |
| /// CHECK-DAG: <<HAdd:d\d+>> VecHalvingAdd [<<Get1>>,<<Get2>>] packed_type:Int16 rounded:true loop:<<Loop>> outer_loop:none |
| /// CHECK-DAG: VecStore [{{l\d+}},{{i\d+}},<<HAdd>>] loop:<<Loop>> outer_loop:none |
| // |
| /// CHECK-FI: |
| private static void rounding_halving_add_signed_alt2(short[] b1, short[] b2, short[] bo) { |
| int min_length = Math.min(bo.length, Math.min(b1.length, b2.length)); |
| for (int i = 0; i < min_length; i++) { |
| // Computations that cancel to adding 1 also do not confuse recognition. |
| bo[i] = (short) (((b1[i] + 10) + (b2[i] - 9)) >> 1); |
| } |
| } |
| |
| /// CHECK-START: void HaddShort.rounding_halving_add_signed_alt3(short[], short[], short[]) loop_optimization (before) |
| /// CHECK-DAG: <<I1:i\d+>> IntConstant 1 loop:none |
| /// CHECK-DAG: <<M1:i\d+>> IntConstant -1 loop:none |
| /// CHECK-DAG: <<I9:i\d+>> IntConstant 9 loop:none |
| /// CHECK-DAG: <<M9:i\d+>> IntConstant -9 loop:none |
| /// CHECK-DAG: <<Phi:i\d+>> Phi loop:<<Loop:B\d+>> outer_loop:none |
| /// CHECK-DAG: <<Get1:s\d+>> ArrayGet loop:<<Loop>> outer_loop:none |
| /// CHECK-DAG: <<Get2:s\d+>> ArrayGet loop:<<Loop>> outer_loop:none |
| /// CHECK-DAG: <<Add1:i\d+>> Add [<<Get1>>,<<I9>>] loop:<<Loop>> outer_loop:none |
| /// CHECK-DAG: <<Add2:i\d+>> Add [<<Get2>>,<<M9>>] loop:<<Loop>> outer_loop:none |
| /// CHECK-DAG: <<Add3:i\d+>> Add [<<Add1>>,<<Add2>>] loop:<<Loop>> outer_loop:none |
| /// CHECK-DAG: <<Sub:i\d+>> Sub [<<Add3>>,<<M1>>] loop:<<Loop>> outer_loop:none |
| /// CHECK-DAG: <<Shr:i\d+>> Shr [<<Sub>>,<<I1>>] loop:<<Loop>> outer_loop:none |
| /// CHECK-DAG: <<Cnv:s\d+>> TypeConversion [<<Shr>>] loop:<<Loop>> outer_loop:none |
| /// CHECK-DAG: ArraySet [{{l\d+}},<<Phi>>,<<Cnv>>] loop:<<Loop>> outer_loop:none |
| // |
| /// CHECK-START-ARM: void HaddShort.rounding_halving_add_signed_alt3(short[], short[], short[]) loop_optimization (after) |
| /// CHECK-DAG: <<Get1:d\d+>> VecLoad loop:<<Loop:B\d+>> outer_loop:none |
| /// CHECK-DAG: <<Get2:d\d+>> VecLoad loop:<<Loop>> outer_loop:none |
| /// CHECK-DAG: <<HAdd:d\d+>> VecHalvingAdd [<<Get1>>,<<Get2>>] packed_type:Int16 rounded:true loop:<<Loop>> outer_loop:none |
| /// CHECK-DAG: VecStore [{{l\d+}},{{i\d+}},<<HAdd>>] loop:<<Loop>> outer_loop:none |
| // |
| /// CHECK-START-ARM64: void HaddShort.rounding_halving_add_signed_alt3(short[], short[], short[]) loop_optimization (after) |
| /// CHECK-IF: hasIsaFeature("sve") |
| // |
| // HalvingAdd idiom is not supported for SVE. |
| /// CHECK-NOT: VecHalvingAdd |
| // |
| /// CHECK-ELSE: |
| // |
| /// CHECK-DAG: <<Get1:d\d+>> VecLoad loop:<<Loop:B\d+>> outer_loop:none |
| /// CHECK-DAG: <<Get2:d\d+>> VecLoad loop:<<Loop>> outer_loop:none |
| /// CHECK-DAG: <<HAdd:d\d+>> VecHalvingAdd [<<Get1>>,<<Get2>>] packed_type:Int16 rounded:true loop:<<Loop>> outer_loop:none |
| /// CHECK-DAG: VecStore [{{l\d+}},{{i\d+}},<<HAdd>>] loop:<<Loop>> outer_loop:none |
| // |
| /// CHECK-FI: |
| private static void rounding_halving_add_signed_alt3(short[] b1, short[] b2, short[] bo) { |
| int min_length = Math.min(bo.length, Math.min(b1.length, b2.length)); |
| for (int i = 0; i < min_length; i++) { |
| // Computations that cancel to adding 1 also do not confuse recognition. |
| bo[i] = (short) (((b1[i] + 9) + (b2[i] - 9) - $inline$mone()) >> 1); |
| } |
| } |
| |
| /// CHECK-START: void HaddShort.rounding_halving_add_unsigned(short[], short[], short[]) instruction_simplifier (before) |
| /// CHECK-DAG: <<I1:i\d+>> IntConstant 1 loop:none |
| /// CHECK-DAG: <<UMAX:i\d+>> IntConstant 65535 loop:none |
| /// CHECK-DAG: <<Phi:i\d+>> Phi loop:<<Loop:B\d+>> outer_loop:none |
| /// CHECK-DAG: <<Get1:s\d+>> ArrayGet loop:<<Loop>> outer_loop:none |
| /// CHECK-DAG: <<Get2:s\d+>> ArrayGet loop:<<Loop>> outer_loop:none |
| /// CHECK-DAG: <<And1:i\d+>> And [<<Get1>>,<<UMAX>>] loop:<<Loop>> outer_loop:none |
| /// CHECK-DAG: <<And2:i\d+>> And [<<UMAX>>,<<Get2>>] loop:<<Loop>> outer_loop:none |
| /// CHECK-DAG: <<Add1:i\d+>> Add [<<And1>>,<<And2>>] loop:<<Loop>> outer_loop:none |
| /// CHECK-DAG: <<Add2:i\d+>> Add [<<Add1>>,<<I1>>] loop:<<Loop>> outer_loop:none |
| /// CHECK-DAG: <<Shr:i\d+>> Shr [<<Add2>>,<<I1>>] loop:<<Loop>> outer_loop:none |
| /// CHECK-DAG: <<Cnv:s\d+>> TypeConversion [<<Shr>>] loop:<<Loop>> outer_loop:none |
| /// CHECK-DAG: ArraySet [{{l\d+}},{{i\d+}},<<Cnv>>] loop:<<Loop>> outer_loop:none |
| // |
| /// CHECK-START: void HaddShort.rounding_halving_add_unsigned(short[], short[], short[]) loop_optimization (before) |
| /// CHECK-DAG: <<I1:i\d+>> IntConstant 1 loop:none |
| /// CHECK-DAG: <<Phi:i\d+>> Phi loop:<<Loop:B\d+>> outer_loop:none |
| /// CHECK-DAG: <<Get1:c\d+>> ArrayGet loop:<<Loop>> outer_loop:none |
| /// CHECK-DAG: <<Get2:c\d+>> ArrayGet loop:<<Loop>> outer_loop:none |
| /// CHECK-DAG: <<Add1:i\d+>> Add [<<Get1>>,<<Get2>>] loop:<<Loop>> outer_loop:none |
| /// CHECK-DAG: <<Add2:i\d+>> Add [<<Add1>>,<<I1>>] loop:<<Loop>> outer_loop:none |
| /// CHECK-DAG: <<Shr:i\d+>> Shr [<<Add2>>,<<I1>>] loop:<<Loop>> outer_loop:none |
| /// CHECK-DAG: <<Cnv:s\d+>> TypeConversion [<<Shr>>] loop:<<Loop>> outer_loop:none |
| /// CHECK-DAG: ArraySet [{{l\d+}},<<Phi>>,<<Cnv>>] loop:<<Loop>> outer_loop:none |
| // |
| /// CHECK-START-ARM: void HaddShort.rounding_halving_add_unsigned(short[], short[], short[]) loop_optimization (after) |
| /// CHECK-DAG: <<Get1:d\d+>> VecLoad loop:<<Loop:B\d+>> outer_loop:none |
| /// CHECK-DAG: <<Get2:d\d+>> VecLoad loop:<<Loop>> outer_loop:none |
| /// CHECK-DAG: <<HAdd:d\d+>> VecHalvingAdd [<<Get1>>,<<Get2>>] packed_type:Uint16 rounded:true loop:<<Loop>> outer_loop:none |
| /// CHECK-DAG: VecStore [{{l\d+}},{{i\d+}},<<HAdd>>] loop:<<Loop>> outer_loop:none |
| // |
| /// CHECK-START-ARM64: void HaddShort.rounding_halving_add_unsigned(short[], short[], short[]) loop_optimization (after) |
| /// CHECK-IF: hasIsaFeature("sve") |
| // |
| // HalvingAdd idiom is not supported for SVE. |
| /// CHECK-NOT: VecHalvingAdd |
| // |
| /// CHECK-ELSE: |
| // |
| /// CHECK-DAG: <<Get1:d\d+>> VecLoad loop:<<Loop:B\d+>> outer_loop:none |
| /// CHECK-DAG: <<Get2:d\d+>> VecLoad loop:<<Loop>> outer_loop:none |
| /// CHECK-DAG: <<HAdd:d\d+>> VecHalvingAdd [<<Get1>>,<<Get2>>] packed_type:Uint16 rounded:true loop:<<Loop>> outer_loop:none |
| /// CHECK-DAG: VecStore [{{l\d+}},{{i\d+}},<<HAdd>>] loop:<<Loop>> outer_loop:none |
| // |
| /// CHECK-FI: |
| private static void rounding_halving_add_unsigned(short[] b1, short[] b2, short[] bo) { |
| int min_length = Math.min(bo.length, Math.min(b1.length, b2.length)); |
| for (int i = 0; i < min_length; i++) { |
| int v1 = b1[i] & 0xffff; |
| int v2 = b2[i] & 0xffff; |
| bo[i] = (short) ((v1 + v2 + 1) >> 1); |
| } |
| } |
| |
| /// CHECK-START: void HaddShort.rounding_halving_add_unsigned_alt(short[], short[], short[]) instruction_simplifier (before) |
| /// CHECK-DAG: <<I1:i\d+>> IntConstant 1 loop:none |
| /// CHECK-DAG: <<UMAX:i\d+>> IntConstant 65535 loop:none |
| /// CHECK-DAG: <<Phi:i\d+>> Phi loop:<<Loop:B\d+>> outer_loop:none |
| /// CHECK-DAG: <<Get1:s\d+>> ArrayGet loop:<<Loop>> outer_loop:none |
| /// CHECK-DAG: <<Get2:s\d+>> ArrayGet loop:<<Loop>> outer_loop:none |
| /// CHECK-DAG: <<And1:i\d+>> And [<<Get1>>,<<UMAX>>] loop:<<Loop>> outer_loop:none |
| /// CHECK-DAG: <<And2:i\d+>> And [<<UMAX>>,<<Get2>>] loop:<<Loop>> outer_loop:none |
| /// CHECK-DAG: <<Add1:i\d+>> Add [<<And2>>,<<I1>>] loop:<<Loop>> outer_loop:none |
| /// CHECK-DAG: <<Add2:i\d+>> Add [<<Add1>>,<<And1>>] loop:<<Loop>> outer_loop:none |
| /// CHECK-DAG: <<Shr:i\d+>> Shr [<<Add2>>,<<I1>>] loop:<<Loop>> outer_loop:none |
| /// CHECK-DAG: <<Cnv:s\d+>> TypeConversion [<<Shr>>] loop:<<Loop>> outer_loop:none |
| /// CHECK-DAG: ArraySet [{{l\d+}},{{i\d+}},<<Cnv>>] loop:<<Loop>> outer_loop:none |
| // |
| /// CHECK-START: void HaddShort.rounding_halving_add_unsigned_alt(short[], short[], short[]) loop_optimization (before) |
| /// CHECK-DAG: <<I1:i\d+>> IntConstant 1 loop:none |
| /// CHECK-DAG: <<Phi:i\d+>> Phi loop:<<Loop:B\d+>> outer_loop:none |
| /// CHECK-DAG: <<Get1:c\d+>> ArrayGet loop:<<Loop>> outer_loop:none |
| /// CHECK-DAG: <<Get2:c\d+>> ArrayGet loop:<<Loop>> outer_loop:none |
| /// CHECK-DAG: <<Add1:i\d+>> Add [<<Get2>>,<<I1>>] loop:<<Loop>> outer_loop:none |
| /// CHECK-DAG: <<Add2:i\d+>> Add [<<Get1>>,<<Add1>>] loop:<<Loop>> outer_loop:none |
| /// CHECK-DAG: <<Shr:i\d+>> Shr [<<Add2>>,<<I1>>] loop:<<Loop>> outer_loop:none |
| /// CHECK-DAG: <<Cnv:s\d+>> TypeConversion [<<Shr>>] loop:<<Loop>> outer_loop:none |
| /// CHECK-DAG: ArraySet [{{l\d+}},<<Phi>>,<<Cnv>>] loop:<<Loop>> outer_loop:none |
| // |
| /// CHECK-START-ARM: void HaddShort.rounding_halving_add_unsigned_alt(short[], short[], short[]) loop_optimization (after) |
| /// CHECK-DAG: <<Get1:d\d+>> VecLoad loop:<<Loop:B\d+>> outer_loop:none |
| /// CHECK-DAG: <<Get2:d\d+>> VecLoad loop:<<Loop>> outer_loop:none |
| /// CHECK-DAG: <<HAdd:d\d+>> VecHalvingAdd [<<Get1>>,<<Get2>>] packed_type:Uint16 rounded:true loop:<<Loop>> outer_loop:none |
| /// CHECK-DAG: VecStore [{{l\d+}},{{i\d+}},<<HAdd>>] loop:<<Loop>> outer_loop:none |
| // |
| /// CHECK-START-ARM64: void HaddShort.rounding_halving_add_unsigned_alt(short[], short[], short[]) loop_optimization (after) |
| /// CHECK-IF: hasIsaFeature("sve") |
| // |
| // HalvingAdd idiom is not supported for SVE. |
| /// CHECK-NOT: VecHalvingAdd |
| // |
| /// CHECK-ELSE: |
| // |
| /// CHECK-DAG: <<Get1:d\d+>> VecLoad loop:<<Loop:B\d+>> outer_loop:none |
| /// CHECK-DAG: <<Get2:d\d+>> VecLoad loop:<<Loop>> outer_loop:none |
| /// CHECK-DAG: <<HAdd:d\d+>> VecHalvingAdd [<<Get1>>,<<Get2>>] packed_type:Uint16 rounded:true loop:<<Loop>> outer_loop:none |
| /// CHECK-DAG: VecStore [{{l\d+}},{{i\d+}},<<HAdd>>] loop:<<Loop>> outer_loop:none |
| // |
| /// CHECK-FI: |
| private static void rounding_halving_add_unsigned_alt(short[] b1, short[] b2, short[] bo) { |
| int min_length = Math.min(bo.length, Math.min(b1.length, b2.length)); |
| for (int i = 0; i < min_length; i++) { |
| // Slightly different order in idiom does not confuse recognition. |
| int v1 = b1[i] & 0xffff; |
| int v2 = b2[i] & 0xffff; |
| bo[i] = (short) (v1 + (v2 + 1) >> 1); |
| } |
| } |
| |
| /// CHECK-START: void HaddShort.halving_add_signed_constant(short[], short[]) loop_optimization (before) |
| /// CHECK-DAG: <<I1:i\d+>> IntConstant 1 loop:none |
| /// CHECK-DAG: <<SMAX:i\d+>> IntConstant 32767 loop:none |
| /// CHECK-DAG: <<Phi:i\d+>> Phi loop:<<Loop:B\d+>> outer_loop:none |
| /// CHECK-DAG: <<Get:s\d+>> ArrayGet loop:<<Loop>> outer_loop:none |
| /// CHECK-DAG: <<Add:i\d+>> Add [<<Get>>,<<SMAX>>] loop:<<Loop>> outer_loop:none |
| /// CHECK-DAG: <<Shr:i\d+>> Shr [<<Add>>,<<I1>>] loop:<<Loop>> outer_loop:none |
| /// CHECK-DAG: <<Cnv:s\d+>> TypeConversion [<<Shr>>] loop:<<Loop>> outer_loop:none |
| /// CHECK-DAG: ArraySet [{{l\d+}},<<Phi>>,<<Cnv>>] loop:<<Loop>> outer_loop:none |
| // |
| /// CHECK-START-ARM: void HaddShort.halving_add_signed_constant(short[], short[]) loop_optimization (after) |
| /// CHECK-DAG: <<SMAX:i\d+>> IntConstant 32767 loop:none |
| /// CHECK-DAG: <<Repl:d\d+>> VecReplicateScalar [<<SMAX>>] loop:none |
| /// CHECK-DAG: <<Get:d\d+>> VecLoad loop:<<Loop:B\d+>> outer_loop:none |
| /// CHECK-DAG: <<HAdd:d\d+>> VecHalvingAdd [<<Get>>,<<Repl>>] packed_type:Int16 rounded:false loop:<<Loop>> outer_loop:none |
| /// CHECK-DAG: VecStore [{{l\d+}},{{i\d+}},<<HAdd>>] loop:<<Loop>> outer_loop:none |
| // |
| /// CHECK-START-ARM64: void HaddShort.halving_add_signed_constant(short[], short[]) loop_optimization (after) |
| /// CHECK-IF: hasIsaFeature("sve") |
| // |
| // HalvingAdd idiom is not supported for SVE. |
| /// CHECK-NOT: VecHalvingAdd |
| // |
| /// CHECK-ELSE: |
| // |
| /// CHECK-DAG: <<SMAX:i\d+>> IntConstant 32767 loop:none |
| /// CHECK-DAG: <<Repl:d\d+>> VecReplicateScalar [<<SMAX>>] loop:none |
| /// CHECK-DAG: <<Get:d\d+>> VecLoad loop:<<Loop:B\d+>> outer_loop:none |
| /// CHECK-DAG: <<HAdd:d\d+>> VecHalvingAdd [<<Get>>,<<Repl>>] packed_type:Int16 rounded:false loop:<<Loop>> outer_loop:none |
| /// CHECK-DAG: VecStore [{{l\d+}},{{i\d+}},<<HAdd>>] loop:<<Loop>> outer_loop:none |
| // |
| /// CHECK-FI: |
| private static void halving_add_signed_constant(short[] b1, short[] bo) { |
| int min_length = Math.min(bo.length, b1.length); |
| for (int i = 0; i < min_length; i++) { |
| bo[i] = (short) ((b1[i] + 0x7fff) >> 1); |
| } |
| } |
| |
| /// CHECK-START: void HaddShort.halving_add_unsigned_constant(short[], short[]) instruction_simplifier (before) |
| /// CHECK-DAG: <<I1:i\d+>> IntConstant 1 loop:none |
| /// CHECK-DAG: <<UMAX:i\d+>> IntConstant 65535 loop:none |
| /// CHECK-DAG: <<Phi:i\d+>> Phi loop:<<Loop:B\d+>> outer_loop:none |
| /// CHECK-DAG: <<Get:s\d+>> ArrayGet loop:<<Loop>> outer_loop:none |
| /// CHECK-DAG: <<And:i\d+>> And [<<Get>>,<<UMAX>>] loop:<<Loop>> outer_loop:none |
| /// CHECK-DAG: <<Add:i\d+>> Add [<<And>>,<<UMAX>>] loop:<<Loop>> outer_loop:none |
| /// CHECK-DAG: <<Shr:i\d+>> Shr [<<Add>>,<<I1>>] loop:<<Loop>> outer_loop:none |
| /// CHECK-DAG: <<Cnv:s\d+>> TypeConversion [<<Shr>>] loop:<<Loop>> outer_loop:none |
| /// CHECK-DAG: ArraySet [{{l\d+}},{{i\d+}},<<Cnv>>] loop:<<Loop>> outer_loop:none |
| // |
| /// CHECK-START: void HaddShort.halving_add_unsigned_constant(short[], short[]) loop_optimization (before) |
| /// CHECK-DAG: <<I1:i\d+>> IntConstant 1 loop:none |
| /// CHECK-DAG: <<UMAX:i\d+>> IntConstant 65535 loop:none |
| /// CHECK-DAG: <<Phi:i\d+>> Phi loop:<<Loop:B\d+>> outer_loop:none |
| /// CHECK-DAG: <<Get:c\d+>> ArrayGet loop:<<Loop>> outer_loop:none |
| /// CHECK-DAG: <<Add:i\d+>> Add [<<Get>>,<<UMAX>>] loop:<<Loop>> outer_loop:none |
| /// CHECK-DAG: <<Shr:i\d+>> Shr [<<Add>>,<<I1>>] loop:<<Loop>> outer_loop:none |
| /// CHECK-DAG: <<Cnv:s\d+>> TypeConversion [<<Shr>>] loop:<<Loop>> outer_loop:none |
| /// CHECK-DAG: ArraySet [{{l\d+}},<<Phi>>,<<Cnv>>] loop:<<Loop>> outer_loop:none |
| // |
| /// CHECK-START-ARM: void HaddShort.halving_add_unsigned_constant(short[], short[]) loop_optimization (after) |
| /// CHECK-DAG: <<UMAX:i\d+>> IntConstant 65535 loop:none |
| /// CHECK-DAG: <<Repl:d\d+>> VecReplicateScalar [<<UMAX>>] loop:none |
| /// CHECK-DAG: <<Get:d\d+>> VecLoad loop:<<Loop:B\d+>> outer_loop:none |
| /// CHECK-DAG: <<HAdd:d\d+>> VecHalvingAdd [<<Get>>,<<Repl>>] packed_type:Uint16 rounded:false loop:<<Loop>> outer_loop:none |
| /// CHECK-DAG: VecStore [{{l\d+}},{{i\d+}},<<HAdd>>] loop:<<Loop>> outer_loop:none |
| // |
| /// CHECK-START-ARM64: void HaddShort.halving_add_unsigned_constant(short[], short[]) loop_optimization (after) |
| /// CHECK-IF: hasIsaFeature("sve") |
| // |
| // HalvingAdd idiom is not supported for SVE. |
| /// CHECK-NOT: VecHalvingAdd |
| // |
| /// CHECK-ELSE: |
| // |
| /// CHECK-DAG: <<UMAX:i\d+>> IntConstant 65535 loop:none |
| /// CHECK-DAG: <<Repl:d\d+>> VecReplicateScalar [<<UMAX>>] loop:none |
| /// CHECK-DAG: <<Get:d\d+>> VecLoad loop:<<Loop:B\d+>> outer_loop:none |
| /// CHECK-DAG: <<HAdd:d\d+>> VecHalvingAdd [<<Get>>,<<Repl>>] packed_type:Uint16 rounded:false loop:<<Loop>> outer_loop:none |
| /// CHECK-DAG: VecStore [{{l\d+}},{{i\d+}},<<HAdd>>] loop:<<Loop>> outer_loop:none |
| // |
| /// CHECK-FI: |
| private static void halving_add_unsigned_constant(short[] b1, short[] bo) { |
| int min_length = Math.min(bo.length, b1.length); |
| for (int i = 0; i < min_length; i++) { |
| bo[i] = (short) (((b1[i] & 0xffff) + 0xffff) >> 1); |
| } |
| } |
| |
| public static void main() { |
| // Some interesting values. |
| short[] interesting = { |
| (short) 0x0000, |
| (short) 0x0001, |
| (short) 0x0002, |
| (short) 0x1234, |
| (short) 0x8000, |
| (short) 0x8001, |
| (short) 0x7fff, |
| (short) 0xffff |
| }; |
| // Initialize cross-values to test all cases, and also |
| // set up some extra values to exercise the cleanup loop. |
| for (int i = 0; i < M; i++) { |
| sB1[i] = (short) i; |
| sB2[i] = interesting[i & 7]; |
| } |
| |
| // Test halving add idioms. |
| halving_add_signed(sB1, sB2, sBo); |
| for (int i = 0; i < M; i++) { |
| short e = (short) ((sB1[i] + sB2[i]) >> 1); |
| expectEquals(e, sBo[i]); |
| } |
| halving_add_signed_alt(sB1, sB2, sBo); |
| for (int i = 0; i < M; i++) { |
| short e = (short) ((sB1[i] + sB2[i]) >> 1); |
| expectEquals(e, sBo[i]); |
| } |
| halving_add_unsigned(sB1, sB2, sBo); |
| for (int i = 0; i < M; i++) { |
| short e = (short) (((sB1[i] & 0xffff) + (sB2[i] & 0xffff)) >> 1); |
| expectEquals(e, sBo[i]); |
| } |
| rounding_halving_add_signed(sB1, sB2, sBo); |
| for (int i = 0; i < M; i++) { |
| short e = (short) ((sB1[i] + sB2[i] + 1) >> 1); |
| expectEquals(e, sBo[i]); |
| } |
| rounding_halving_add_signed_alt(sB1, sB2, sBo); |
| for (int i = 0; i < M; i++) { |
| short e = (short) ((sB1[i] + sB2[i] + 1) >> 1); |
| expectEquals(e, sBo[i]); |
| } |
| rounding_halving_add_signed_alt2(sB1, sB2, sBo); |
| for (int i = 0; i < M; i++) { |
| short e = (short) ((sB1[i] + sB2[i] + 1) >> 1); |
| expectEquals(e, sBo[i]); |
| } |
| rounding_halving_add_signed_alt3(sB1, sB2, sBo); |
| for (int i = 0; i < M; i++) { |
| short e = (short) ((sB1[i] + sB2[i] + 1) >> 1); |
| expectEquals(e, sBo[i]); |
| } |
| rounding_halving_add_unsigned(sB1, sB2, sBo); |
| for (int i = 0; i < M; i++) { |
| short e = (short) (((sB1[i] & 0xffff) + (sB2[i] & 0xffff) + 1) >> 1); |
| expectEquals(e, sBo[i]); |
| } |
| rounding_halving_add_unsigned_alt(sB1, sB2, sBo); |
| for (int i = 0; i < M; i++) { |
| short e = (short) (((sB1[i] & 0xffff) + (sB2[i] & 0xffff) + 1) >> 1); |
| expectEquals(e, sBo[i]); |
| } |
| halving_add_signed_constant(sB1, sBo); |
| for (int i = 0; i < M; i++) { |
| short e = (short) ((sB1[i] + 0x7fff) >> 1); |
| expectEquals(e, sBo[i]); |
| } |
| halving_add_unsigned_constant(sB1, sBo); |
| for (int i = 0; i < M; i++) { |
| short e = (short) (((sB1[i] & 0xffff) + 0xffff) >> 1); |
| expectEquals(e, sBo[i]); |
| } |
| |
| System.out.println("HaddShort passed"); |
| } |
| |
| private static void expectEquals(int expected, int result) { |
| if (expected != result) { |
| throw new Error("Expected: " + expected + ", found: " + result); |
| } |
| } |
| } |