| // Copyright (c) 2014, the Dart project authors. Please see the AUTHORS file |
| // for details. All rights reserved. Use of this source code is governed by a |
| // BSD-style license that can be found in the LICENSE file. |
| // Test UnboxedIntConverter for int32. |
| // VMOptions=--optimization-counter-threshold=10 --no-use-osr --no-background-compilation |
| |
| import "package:expect/expect.dart"; |
| import "dart:typed_data"; |
| |
| int32_add(a, b, c) => (a * c) + (b * c); |
| int32_mul(a, b, c) => (a * c) * b; |
| int32_sub(a, b, c) => (a * c) - (b * c); |
| int32_shr(a, b, c) => (a * c * b) >> 16; |
| int32_shl(a, b, c) => (a * c * b) << 16; |
| int32_xor(a, b, c) => (a * c) ^ (b * c); |
| int32_or(a, b, c) => (a * c) | (b * c); |
| int32_and(a, b, c) => (a * c) & (b * c); |
| |
| int32_to_mint(a, b) { |
| var sum = 0; |
| var j = 0; |
| for (var i = a; i <= b; i++) { |
| sum -= (j * ++j) & 0xff; |
| } |
| |
| return 0xffffffff + sum; |
| } |
| |
| mint_to_int32(a, c, d) { |
| return a * a * a * (c - d); |
| } |
| |
| uint32_to_int32(a, c) { |
| return (a * a * a) * (c & 0xFFFFFFFF); |
| } |
| |
| main() { |
| for (var j = 0; j < 1000; j++) { |
| Expect.equals(2, int32_add(1, 1, 1)); |
| Expect.equals(1, int32_mul(1, 1, 1)); |
| Expect.equals(0, int32_sub(1, 1, 1)); |
| Expect.equals(0, int32_shr(1, 1, 1)); |
| Expect.equals(1 << 16, int32_shl(1, 1, 1)); |
| Expect.equals(0, int32_xor(1, 1, 1)); |
| Expect.equals(1, int32_or(1, 1, 1)); |
| Expect.equals(1, int32_and(1, 1, 1)); |
| } |
| |
| Expect.equals(0x7ffffffe, int32_add(0x7ffffffc ~/ 2, 1, 2)); |
| Expect.equals(-0x80000000, int32_add(-0x7ffffffe ~/ 2, -1, 2)); |
| Expect.equals(-0x80000002, int32_add(-0x7ffffffe ~/ 2, -2, 2)); // Overflow. |
| Expect.equals(0x7ffffffe, int32_sub(0x7ffffffc ~/ 2, -1, 2)); |
| Expect.equals(-0x80000000, int32_sub(-0x7ffffffe ~/ 2, 1, 2)); |
| Expect.equals(-0x80000002, int32_sub(-0x7ffffffe ~/ 2, 2, 2)); // Overflow. |
| Expect.equals(-0x7ffffffe, int32_mul(0x7ffffffe ~/ 2, -1, 2)); |
| Expect.equals(-0x80000000, int32_mul(-0x80000000 ~/ 2, 1, 2)); |
| Expect.equals(0x80000000, int32_mul(-0x80000000 ~/ 2, -1, 2)); // Overflow. |
| Expect.equals(0x60000000, int32_xor(0x40000000 ~/ 2, 0x20000000 ~/ 2, 2)); |
| Expect.equals(0x00000000, int32_xor(0x40000000 ~/ 2, 0x40000000 ~/ 2, 2)); |
| Expect.equals(0x60000000, int32_or(0x40000000 ~/ 2, 0x20000000 ~/ 2, 2)); |
| Expect.equals(0x60000000, int32_or(0x60000000 ~/ 2, 0x40000000 ~/ 2, 2)); |
| Expect.equals(0x00000000, int32_and(0x40000000 ~/ 2, 0x20000000 ~/ 2, 2)); |
| Expect.equals(0x40000000, int32_and(0x60000000 ~/ 2, 0x40000000 ~/ 2, 2)); |
| Expect.equals(1, int32_shr(1, 1 << 16, 1)); |
| Expect.equals(-1 << 15, int32_shr(1 << 15, -(1 << 16), 1)); |
| Expect.equals(-0x080000000, int32_shl(-1 << 15, 1, 1)); |
| Expect.equals(-0x100000000, int32_shl(-1 << 16, 1, 1)); // Overflow. |
| |
| Expect.equals(0, int32_shr(1, 1, 1)); |
| Expect.equals(1 << 16, int32_shl(1, 1, 1)); |
| |
| for (var j = 0; j < 1000; j++) { |
| Expect.equals(4294839503, int32_to_mint(0, 1000)); |
| Expect.equals(-8, mint_to_int32(2, 0x100000000, 0x100000001)); |
| Expect.equals(8, uint32_to_int32(2, 0x100000001)); |
| } |
| Expect.equals(8 * 0x80000001, uint32_to_int32(2, 0x180000001)); |
| } |