Update V8 to r6101 as required by WebKit r74534
Change-Id: I7f84af8dd732f11898fd644b2c2b1538914cb78d
diff --git a/test/mjsunit/smi-ops-inlined.js b/test/mjsunit/smi-ops-inlined.js
new file mode 100644
index 0000000..afc6cc0
--- /dev/null
+++ b/test/mjsunit/smi-ops-inlined.js
@@ -0,0 +1,673 @@
+// Copyright 2010 the V8 project authors. All rights reserved.
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+// * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+// * Redistributions in binary form must reproduce the above
+// copyright notice, this list of conditions and the following
+// disclaimer in the documentation and/or other materials provided
+// with the distribution.
+// * Neither the name of Google Inc. nor the names of its
+// contributors may be used to endorse or promote products derived
+// from this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+// Flags: --always-inline-smi-code
+
+const SMI_MAX = (1 << 30) - 1;
+const SMI_MIN = -(1 << 30);
+const ONE = 1;
+const ONE_HUNDRED = 100;
+
+const OBJ_42 = new (function() {
+ this.valueOf = function() { return 42; };
+})();
+
+assertEquals(42, OBJ_42.valueOf());
+
+
+function Add1(x) {
+ return x + 1;
+}
+
+function Add100(x) {
+ return x + 100;
+}
+
+function Add1Reversed(x) {
+ return 1 + x;
+}
+
+function Add100Reversed(x) {
+ return 100 + x;
+}
+
+
+assertEquals(1, Add1(0)); // fast case
+assertEquals(1, Add1Reversed(0)); // fast case
+assertEquals(SMI_MAX + ONE, Add1(SMI_MAX), "smimax + 1");
+assertEquals(SMI_MAX + ONE, Add1Reversed(SMI_MAX), "1 + smimax");
+assertEquals(42 + ONE, Add1(OBJ_42)); // non-smi
+assertEquals(42 + ONE, Add1Reversed(OBJ_42)); // non-smi
+
+assertEquals(100, Add100(0)); // fast case
+assertEquals(100, Add100Reversed(0)); // fast case
+assertEquals(SMI_MAX + ONE_HUNDRED, Add100(SMI_MAX), "smimax + 100");
+assertEquals(SMI_MAX + ONE_HUNDRED, Add100Reversed(SMI_MAX), " 100 + smimax");
+assertEquals(42 + ONE_HUNDRED, Add100(OBJ_42)); // non-smi
+assertEquals(42 + ONE_HUNDRED, Add100Reversed(OBJ_42)); // non-smi
+
+
+
+function Sub1(x) {
+ return x - 1;
+}
+
+function Sub100(x) {
+ return x - 100;
+}
+
+function Sub1Reversed(x) {
+ return 1 - x;
+}
+
+function Sub100Reversed(x) {
+ return 100 - x;
+}
+
+
+assertEquals(0, Sub1(1)); // fast case
+assertEquals(-1, Sub1Reversed(2)); // fast case
+assertEquals(SMI_MIN - ONE, Sub1(SMI_MIN)); // overflow
+assertEquals(ONE - SMI_MIN, Sub1Reversed(SMI_MIN)); // overflow
+assertEquals(42 - ONE, Sub1(OBJ_42)); // non-smi
+assertEquals(ONE - 42, Sub1Reversed(OBJ_42)); // non-smi
+
+assertEquals(0, Sub100(100)); // fast case
+assertEquals(1, Sub100Reversed(99)); // fast case
+assertEquals(SMI_MIN - ONE_HUNDRED, Sub100(SMI_MIN)); // overflow
+assertEquals(ONE_HUNDRED - SMI_MIN, Sub100Reversed(SMI_MIN)); // overflow
+assertEquals(42 - ONE_HUNDRED, Sub100(OBJ_42)); // non-smi
+assertEquals(ONE_HUNDRED - 42, Sub100Reversed(OBJ_42)); // non-smi
+
+
+function Shr1(x) {
+ return x >>> 1;
+}
+
+function Shr100(x) {
+ return x >>> 100;
+}
+
+function Shr1Reversed(x) {
+ return 1 >>> x;
+}
+
+function Shr100Reversed(x) {
+ return 100 >>> x;
+}
+
+function Sar1(x) {
+ return x >> 1;
+}
+
+function Sar100(x) {
+ return x >> 100;
+}
+
+function Sar1Reversed(x) {
+ return 1 >> x;
+}
+
+function Sar100Reversed(x) {
+ return 100 >> x;
+}
+
+
+assertEquals(0, Shr1(1));
+assertEquals(0, Sar1(1));
+assertEquals(0, Shr1Reversed(2));
+assertEquals(0, Sar1Reversed(2));
+assertEquals(1610612736, Shr1(SMI_MIN));
+assertEquals(-536870912, Sar1(SMI_MIN));
+assertEquals(1, Shr1Reversed(SMI_MIN));
+assertEquals(1, Sar1Reversed(SMI_MIN));
+assertEquals(21, Shr1(OBJ_42));
+assertEquals(21, Sar1(OBJ_42));
+assertEquals(0, Shr1Reversed(OBJ_42));
+assertEquals(0, Sar1Reversed(OBJ_42));
+
+assertEquals(6, Shr100(100), "100 >>> 100");
+assertEquals(6, Sar100(100), "100 >> 100");
+assertEquals(12, Shr100Reversed(99));
+assertEquals(12, Sar100Reversed(99));
+assertEquals(201326592, Shr100(SMI_MIN));
+assertEquals(-67108864, Sar100(SMI_MIN));
+assertEquals(100, Shr100Reversed(SMI_MIN));
+assertEquals(100, Sar100Reversed(SMI_MIN));
+assertEquals(2, Shr100(OBJ_42));
+assertEquals(2, Sar100(OBJ_42));
+assertEquals(0, Shr100Reversed(OBJ_42));
+assertEquals(0, Sar100Reversed(OBJ_42));
+
+
+function Xor1(x) {
+ return x ^ 1;
+}
+
+function Xor100(x) {
+ return x ^ 100;
+}
+
+function Xor1Reversed(x) {
+ return 1 ^ x;
+}
+
+function Xor100Reversed(x) {
+ return 100 ^ x;
+}
+
+
+assertEquals(0, Xor1(1));
+assertEquals(3, Xor1Reversed(2));
+assertEquals(SMI_MIN + 1, Xor1(SMI_MIN));
+assertEquals(SMI_MIN + 1, Xor1Reversed(SMI_MIN));
+assertEquals(43, Xor1(OBJ_42));
+assertEquals(43, Xor1Reversed(OBJ_42));
+
+assertEquals(0, Xor100(100));
+assertEquals(7, Xor100Reversed(99));
+assertEquals(-1073741724, Xor100(SMI_MIN));
+assertEquals(-1073741724, Xor100Reversed(SMI_MIN));
+assertEquals(78, Xor100(OBJ_42));
+assertEquals(78, Xor100Reversed(OBJ_42));
+
+var x = 0x23; var y = 0x35;
+assertEquals(0x16, x ^ y);
+
+
+// Bitwise not.
+var v = 0;
+assertEquals(-1, ~v);
+v = SMI_MIN;
+assertEquals(0x3fffffff, ~v, "~smimin");
+v = SMI_MAX;
+assertEquals(-0x40000000, ~v, "~smimax");
+
+// Overflowing ++ and --.
+v = SMI_MAX;
+v++;
+assertEquals(0x40000000, v, "smimax++");
+v = SMI_MIN;
+v--;
+assertEquals(-0x40000001, v, "smimin--");
+
+// Not actually Smi operations.
+// Check that relations on unary ops work.
+var v = -1.2;
+assertTrue(v == v);
+assertTrue(v === v);
+assertTrue(v <= v);
+assertTrue(v >= v);
+assertFalse(v < v);
+assertFalse(v > v);
+assertFalse(v != v);
+assertFalse(v !== v);
+
+// Right hand side of unary minus is overwritable.
+v = 1.5
+assertEquals(-2.25, -(v * v));
+
+// Smi input to bitop gives non-smi result where the rhs is a float that
+// can be overwritten.
+var x1 = 0x10000000;
+var x2 = 0x40000002;
+var x3 = 0x40000000;
+assertEquals(0x40000000, x1 << (x2 - x3), "0x10000000<<1(1)");
+
+// Smi input to bitop gives non-smi result where the rhs could be overwritten
+// if it were a float, but it isn't.
+x1 = 0x10000000
+x2 = 4
+x3 = 2
+assertEquals(0x40000000, x1 << (x2 - x3), "0x10000000<<2(2)");
+
+
+// Test shift operators on non-smi inputs, giving smi and non-smi results.
+function testShiftNonSmis() {
+ var pos_non_smi = 2000000000;
+ var neg_non_smi = -pos_non_smi;
+ var pos_smi = 1000000000;
+ var neg_smi = -pos_smi;
+
+ // Begin block A
+ assertEquals(pos_non_smi, (pos_non_smi) >> 0);
+ assertEquals(pos_non_smi, (pos_non_smi) >>> 0);
+ assertEquals(pos_non_smi, (pos_non_smi) << 0);
+ assertEquals(neg_non_smi, (neg_non_smi) >> 0);
+ assertEquals(neg_non_smi + 0x100000000, (neg_non_smi) >>> 0);
+ assertEquals(neg_non_smi, (neg_non_smi) << 0);
+ assertEquals(pos_smi, (pos_smi) >> 0, "possmi >> 0");
+ assertEquals(pos_smi, (pos_smi) >>> 0, "possmi >>>0");
+ assertEquals(pos_smi, (pos_smi) << 0, "possmi << 0");
+ assertEquals(neg_smi, (neg_smi) >> 0, "negsmi >> 0");
+ assertEquals(neg_smi + 0x100000000, (neg_smi) >>> 0, "negsmi >>> 0");
+ assertEquals(neg_smi, (neg_smi) << 0), "negsmi << 0";
+
+ assertEquals(pos_non_smi / 2, (pos_non_smi) >> 1);
+ assertEquals(pos_non_smi / 2, (pos_non_smi) >>> 1);
+ assertEquals(-0x1194D800, (pos_non_smi) << 1);
+ assertEquals(pos_non_smi / 8, (pos_non_smi) >> 3);
+ assertEquals(pos_non_smi / 8, (pos_non_smi) >>> 3);
+ assertEquals(-0x46536000, (pos_non_smi) << 3);
+ assertEquals(0x73594000, (pos_non_smi) << 4);
+ assertEquals(pos_non_smi, (pos_non_smi + 0.5) >> 0);
+ assertEquals(pos_non_smi, (pos_non_smi + 0.5) >>> 0);
+ assertEquals(pos_non_smi, (pos_non_smi + 0.5) << 0);
+ assertEquals(pos_non_smi / 2, (pos_non_smi + 0.5) >> 1);
+ assertEquals(pos_non_smi / 2, (pos_non_smi + 0.5) >>> 1);
+ assertEquals(-0x1194D800, (pos_non_smi + 0.5) << 1);
+ assertEquals(pos_non_smi / 8, (pos_non_smi + 0.5) >> 3);
+ assertEquals(pos_non_smi / 8, (pos_non_smi + 0.5) >>> 3);
+ assertEquals(-0x46536000, (pos_non_smi + 0.5) << 3);
+ assertEquals(0x73594000, (pos_non_smi + 0.5) << 4);
+
+ assertEquals(neg_non_smi / 2, (neg_non_smi) >> 1, "negnonsmi >> 1");
+
+ assertEquals(neg_non_smi / 2 + 0x100000000 / 2, (neg_non_smi) >>> 1,
+ "negnonsmi >>> 1");
+ assertEquals(0x1194D800, (neg_non_smi) << 1);
+ assertEquals(neg_non_smi / 8, (neg_non_smi) >> 3);
+ assertEquals(neg_non_smi / 8 + 0x100000000 / 8, (neg_non_smi) >>> 3);
+ assertEquals(0x46536000, (neg_non_smi) << 3);
+ assertEquals(-0x73594000, (neg_non_smi) << 4);
+ assertEquals(neg_non_smi, (neg_non_smi - 0.5) >> 0);
+ assertEquals(neg_non_smi + 0x100000000, (neg_non_smi - 0.5) >>> 0,
+ "negnonsmi.5 >>> 0");
+ assertEquals(neg_non_smi, (neg_non_smi - 0.5) << 0);
+ assertEquals(neg_non_smi / 2, (neg_non_smi - 0.5) >> 1);
+ assertEquals(neg_non_smi / 2 + 0x100000000 / 2, (neg_non_smi - 0.5) >>> 1,
+ "negnonsmi.5 >>> 1");
+ assertEquals(0x1194D800, (neg_non_smi - 0.5) << 1);
+ assertEquals(neg_non_smi / 8, (neg_non_smi - 0.5) >> 3);
+ assertEquals(neg_non_smi / 8 + 0x100000000 / 8, (neg_non_smi - 0.5) >>> 3);
+ assertEquals(0x46536000, (neg_non_smi - 0.5) << 3);
+ assertEquals(-0x73594000, (neg_non_smi - 0.5) << 4);
+
+ assertEquals(pos_smi / 2, (pos_smi) >> 1);
+ assertEquals(pos_smi / 2, (pos_smi) >>> 1);
+ assertEquals(pos_non_smi, (pos_smi) << 1);
+ assertEquals(pos_smi / 8, (pos_smi) >> 3);
+ assertEquals(pos_smi / 8, (pos_smi) >>> 3);
+ assertEquals(-0x2329b000, (pos_smi) << 3);
+ assertEquals(0x73594000, (pos_smi) << 5);
+ assertEquals(pos_smi, (pos_smi + 0.5) >> 0, "possmi.5 >> 0");
+ assertEquals(pos_smi, (pos_smi + 0.5) >>> 0, "possmi.5 >>> 0");
+ assertEquals(pos_smi, (pos_smi + 0.5) << 0, "possmi.5 << 0");
+ assertEquals(pos_smi / 2, (pos_smi + 0.5) >> 1);
+ assertEquals(pos_smi / 2, (pos_smi + 0.5) >>> 1);
+ assertEquals(pos_non_smi, (pos_smi + 0.5) << 1);
+ assertEquals(pos_smi / 8, (pos_smi + 0.5) >> 3);
+ assertEquals(pos_smi / 8, (pos_smi + 0.5) >>> 3);
+ assertEquals(-0x2329b000, (pos_smi + 0.5) << 3);
+ assertEquals(0x73594000, (pos_smi + 0.5) << 5);
+
+ assertEquals(neg_smi / 2, (neg_smi) >> 1);
+ assertEquals(neg_smi / 2 + 0x100000000 / 2, (neg_smi) >>> 1);
+ assertEquals(neg_non_smi, (neg_smi) << 1);
+ assertEquals(neg_smi / 8, (neg_smi) >> 3);
+ assertEquals(neg_smi / 8 + 0x100000000 / 8, (neg_smi) >>> 3);
+ assertEquals(0x46536000, (neg_smi) << 4);
+ assertEquals(-0x73594000, (neg_smi) << 5);
+ assertEquals(neg_smi, (neg_smi - 0.5) >> 0, "negsmi.5 >> 0");
+ assertEquals(neg_smi + 0x100000000, (neg_smi - 0.5) >>> 0, "negsmi.5 >>> 0");
+ assertEquals(neg_smi, (neg_smi - 0.5) << 0, "negsmi.5 << 0");
+ assertEquals(neg_smi / 2, (neg_smi - 0.5) >> 1);
+ assertEquals(neg_smi / 2 + 0x100000000 / 2, (neg_smi - 0.5) >>> 1);
+ assertEquals(neg_non_smi, (neg_smi - 0.5) << 1);
+ assertEquals(neg_smi / 8, (neg_smi - 0.5) >> 3);
+ assertEquals(neg_smi / 8 + 0x100000000 / 8, (neg_smi - 0.5) >>> 3);
+ assertEquals(0x46536000, (neg_smi - 0.5) << 4);
+ assertEquals(-0x73594000, (neg_smi - 0.5) << 5);
+ // End block A
+
+ // Repeat block A with 2^32 added to positive numbers and
+ // 2^32 subtracted from negative numbers.
+ // Begin block A repeat 1
+ var two_32 = 0x100000000;
+ var neg_32 = -two_32;
+ assertEquals(pos_non_smi, (two_32 + pos_non_smi) >> 0);
+ assertEquals(pos_non_smi, (two_32 + pos_non_smi) >>> 0);
+ assertEquals(pos_non_smi, (two_32 + pos_non_smi) << 0);
+ assertEquals(neg_non_smi, (neg_32 + neg_non_smi) >> 0);
+ assertEquals(neg_non_smi + 0x100000000, (neg_32 + neg_non_smi) >>> 0);
+ assertEquals(neg_non_smi, (neg_32 + neg_non_smi) << 0);
+ assertEquals(pos_smi, (two_32 + pos_smi) >> 0, "2^32+possmi >> 0");
+ assertEquals(pos_smi, (two_32 + pos_smi) >>> 0, "2^32+possmi >>> 0");
+ assertEquals(pos_smi, (two_32 + pos_smi) << 0, "2^32+possmi << 0");
+ assertEquals(neg_smi, (neg_32 + neg_smi) >> 0, "2^32+negsmi >> 0");
+ assertEquals(neg_smi + 0x100000000, (neg_32 + neg_smi) >>> 0);
+ assertEquals(neg_smi, (neg_32 + neg_smi) << 0, "2^32+negsmi << 0");
+
+ assertEquals(pos_non_smi / 2, (two_32 + pos_non_smi) >> 1);
+ assertEquals(pos_non_smi / 2, (two_32 + pos_non_smi) >>> 1);
+ assertEquals(-0x1194D800, (two_32 + pos_non_smi) << 1);
+ assertEquals(pos_non_smi / 8, (two_32 + pos_non_smi) >> 3);
+ assertEquals(pos_non_smi / 8, (two_32 + pos_non_smi) >>> 3);
+ assertEquals(-0x46536000, (two_32 + pos_non_smi) << 3);
+ assertEquals(0x73594000, (two_32 + pos_non_smi) << 4);
+ assertEquals(pos_non_smi, (two_32 + pos_non_smi + 0.5) >> 0);
+ assertEquals(pos_non_smi, (two_32 + pos_non_smi + 0.5) >>> 0);
+ assertEquals(pos_non_smi, (two_32 + pos_non_smi + 0.5) << 0);
+ assertEquals(pos_non_smi / 2, (two_32 + pos_non_smi + 0.5) >> 1);
+ assertEquals(pos_non_smi / 2, (two_32 + pos_non_smi + 0.5) >>> 1);
+ assertEquals(-0x1194D800, (two_32 + pos_non_smi + 0.5) << 1);
+ assertEquals(pos_non_smi / 8, (two_32 + pos_non_smi + 0.5) >> 3);
+ assertEquals(pos_non_smi / 8, (two_32 + pos_non_smi + 0.5) >>> 3);
+ assertEquals(-0x46536000, (two_32 + pos_non_smi + 0.5) << 3);
+ assertEquals(0x73594000, (two_32 + pos_non_smi + 0.5) << 4);
+
+ assertEquals(neg_non_smi / 2, (neg_32 + neg_non_smi) >> 1);
+ assertEquals(neg_non_smi / 2 + 0x100000000 / 2, (neg_32 + neg_non_smi) >>> 1);
+ assertEquals(0x1194D800, (neg_32 + neg_non_smi) << 1);
+ assertEquals(neg_non_smi / 8, (neg_32 + neg_non_smi) >> 3);
+ assertEquals(neg_non_smi / 8 + 0x100000000 / 8, (neg_32 + neg_non_smi) >>> 3);
+ assertEquals(0x46536000, (neg_32 + neg_non_smi) << 3);
+ assertEquals(-0x73594000, (neg_32 + neg_non_smi) << 4);
+ assertEquals(neg_non_smi, (neg_32 + neg_non_smi - 0.5) >> 0);
+ assertEquals(neg_non_smi + 0x100000000, (neg_32 + neg_non_smi - 0.5) >>> 0);
+ assertEquals(neg_non_smi, (neg_32 + neg_non_smi - 0.5) << 0);
+ assertEquals(neg_non_smi / 2, (neg_32 + neg_non_smi - 0.5) >> 1);
+ assertEquals(neg_non_smi / 2 + 0x100000000 / 2, (neg_32 + neg_non_smi - 0.5)
+ >>> 1);
+ assertEquals(0x1194D800, (neg_32 + neg_non_smi - 0.5) << 1);
+ assertEquals(neg_non_smi / 8, (neg_32 + neg_non_smi - 0.5) >> 3);
+ assertEquals(neg_non_smi / 8 + 0x100000000 / 8, (neg_32 + neg_non_smi - 0.5)
+ >>> 3);
+ assertEquals(0x46536000, (neg_32 + neg_non_smi - 0.5) << 3);
+ assertEquals(-0x73594000, (neg_32 + neg_non_smi - 0.5) << 4);
+
+ assertEquals(pos_smi / 2, (two_32 + pos_smi) >> 1);
+ assertEquals(pos_smi / 2, (two_32 + pos_smi) >>> 1);
+ assertEquals(pos_non_smi, (two_32 + pos_smi) << 1);
+ assertEquals(pos_smi / 8, (two_32 + pos_smi) >> 3);
+ assertEquals(pos_smi / 8, (two_32 + pos_smi) >>> 3);
+ assertEquals(-0x2329b000, (two_32 + pos_smi) << 3);
+ assertEquals(0x73594000, (two_32 + pos_smi) << 5);
+ assertEquals(pos_smi, (two_32 + pos_smi + 0.5) >> 0);
+ assertEquals(pos_smi, (two_32 + pos_smi + 0.5) >>> 0);
+ assertEquals(pos_smi, (two_32 + pos_smi + 0.5) << 0);
+ assertEquals(pos_smi / 2, (two_32 + pos_smi + 0.5) >> 1);
+ assertEquals(pos_smi / 2, (two_32 + pos_smi + 0.5) >>> 1);
+ assertEquals(pos_non_smi, (two_32 + pos_smi + 0.5) << 1);
+ assertEquals(pos_smi / 8, (two_32 + pos_smi + 0.5) >> 3);
+ assertEquals(pos_smi / 8, (two_32 + pos_smi + 0.5) >>> 3);
+ assertEquals(-0x2329b000, (two_32 + pos_smi + 0.5) << 3);
+ assertEquals(0x73594000, (two_32 + pos_smi + 0.5) << 5);
+
+ assertEquals(neg_smi / 2, (neg_32 + neg_smi) >> 1);
+ assertEquals(neg_smi / 2 + 0x100000000 / 2, (neg_32 + neg_smi) >>> 1);
+ assertEquals(neg_non_smi, (neg_32 + neg_smi) << 1);
+ assertEquals(neg_smi / 8, (neg_32 + neg_smi) >> 3);
+ assertEquals((neg_smi + 0x100000000) / 8, (neg_32 + neg_smi) >>> 3);
+ assertEquals(0x46536000, (neg_32 + neg_smi) << 4);
+ assertEquals(-0x73594000, (neg_32 + neg_smi) << 5);
+ assertEquals(neg_smi, (neg_32 + neg_smi - 0.5) >> 0, "-2^32+negsmi.5 >> 0");
+ assertEquals(neg_smi + 0x100000000, (neg_32 + neg_smi - 0.5) >>> 0);
+ assertEquals(neg_smi, (neg_32 + neg_smi - 0.5) << 0, "-2^32+negsmi.5 << 0");
+ assertEquals(neg_smi / 2, (neg_32 + neg_smi - 0.5) >> 1);
+ assertEquals(neg_smi / 2 + 0x100000000 / 2, (neg_32 + neg_smi - 0.5) >>> 1);
+ assertEquals(neg_non_smi, (neg_32 + neg_smi - 0.5) << 1);
+ assertEquals(neg_smi / 8, (neg_32 + neg_smi - 0.5) >> 3);
+ assertEquals(neg_smi / 8 + 0x100000000 / 8, (neg_32 + neg_smi - 0.5) >>> 3);
+ assertEquals(0x46536000, (neg_32 + neg_smi - 0.5) << 4);
+ assertEquals(-0x73594000, (neg_32 + neg_smi - 0.5) << 5);
+ // End block A repeat 1
+ // Repeat block A with shift amounts in variables intialized with
+ // a constant.
+ var zero = 0;
+ var one = 1;
+ var three = 3;
+ var four = 4;
+ var five = 5;
+ // Begin block A repeat 2
+ assertEquals(pos_non_smi, (pos_non_smi) >> zero);
+ assertEquals(pos_non_smi, (pos_non_smi) >>> zero);
+ assertEquals(pos_non_smi, (pos_non_smi) << zero);
+ assertEquals(neg_non_smi, (neg_non_smi) >> zero);
+ assertEquals(neg_non_smi + 0x100000000, (neg_non_smi) >>> zero);
+ assertEquals(neg_non_smi, (neg_non_smi) << zero);
+ assertEquals(pos_smi, (pos_smi) >> zero);
+ assertEquals(pos_smi, (pos_smi) >>> zero);
+ assertEquals(pos_smi, (pos_smi) << zero);
+ assertEquals(neg_smi, (neg_smi) >> zero, "negsmi >> zero");
+ assertEquals(neg_smi + 0x100000000, (neg_smi) >>> zero);
+ assertEquals(neg_smi, (neg_smi) << zero, "negsmi << zero");
+
+ assertEquals(pos_non_smi / 2, (pos_non_smi) >> one);
+ assertEquals(pos_non_smi / 2, (pos_non_smi) >>> one);
+ assertEquals(-0x1194D800, (pos_non_smi) << one);
+ assertEquals(pos_non_smi / 8, (pos_non_smi) >> three);
+ assertEquals(pos_non_smi / 8, (pos_non_smi) >>> three);
+ assertEquals(-0x46536000, (pos_non_smi) << three);
+ assertEquals(0x73594000, (pos_non_smi) << four);
+ assertEquals(pos_non_smi, (pos_non_smi + 0.5) >> zero);
+ assertEquals(pos_non_smi, (pos_non_smi + 0.5) >>> zero);
+ assertEquals(pos_non_smi, (pos_non_smi + 0.5) << zero);
+ assertEquals(pos_non_smi / 2, (pos_non_smi + 0.5) >> one);
+ assertEquals(pos_non_smi / 2, (pos_non_smi + 0.5) >>> one);
+ assertEquals(-0x1194D800, (pos_non_smi + 0.5) << one);
+ assertEquals(pos_non_smi / 8, (pos_non_smi + 0.5) >> three);
+ assertEquals(pos_non_smi / 8, (pos_non_smi + 0.5) >>> three);
+ assertEquals(-0x46536000, (pos_non_smi + 0.5) << three);
+ assertEquals(0x73594000, (pos_non_smi + 0.5) << four);
+
+ assertEquals(neg_non_smi / 2, (neg_non_smi) >> one);
+ assertEquals(neg_non_smi / 2 + 0x100000000 / 2, (neg_non_smi) >>> one);
+ assertEquals(0x1194D800, (neg_non_smi) << one);
+ assertEquals(neg_non_smi / 8, (neg_non_smi) >> three);
+ assertEquals(neg_non_smi / 8 + 0x100000000 / 8, (neg_non_smi) >>> three);
+ assertEquals(0x46536000, (neg_non_smi) << three);
+ assertEquals(-0x73594000, (neg_non_smi) << four);
+ assertEquals(neg_non_smi, (neg_non_smi - 0.5) >> zero);
+ assertEquals(neg_non_smi + 0x100000000, (neg_non_smi - 0.5) >>> zero);
+ assertEquals(neg_non_smi, (neg_non_smi - 0.5) << zero);
+ assertEquals(neg_non_smi / 2, (neg_non_smi - 0.5) >> one);
+ assertEquals(neg_non_smi / 2 + 0x100000000 / 2, (neg_non_smi - 0.5) >>> one);
+ assertEquals(0x1194D800, (neg_non_smi - 0.5) << one);
+ assertEquals(neg_non_smi / 8, (neg_non_smi - 0.5) >> three);
+ assertEquals(neg_non_smi / 8 + 0x100000000 / 8, (neg_non_smi - 0.5)
+ >>> three);
+ assertEquals(0x46536000, (neg_non_smi - 0.5) << three);
+ assertEquals(-0x73594000, (neg_non_smi - 0.5) << four);
+
+ assertEquals(pos_smi / 2, (pos_smi) >> one);
+ assertEquals(pos_smi / 2, (pos_smi) >>> one);
+ assertEquals(pos_non_smi, (pos_smi) << one);
+ assertEquals(pos_smi / 8, (pos_smi) >> three);
+ assertEquals(pos_smi / 8, (pos_smi) >>> three);
+ assertEquals(-0x2329b000, (pos_smi) << three);
+ assertEquals(0x73594000, (pos_smi) << five);
+ assertEquals(pos_smi, (pos_smi + 0.5) >> zero);
+ assertEquals(pos_smi, (pos_smi + 0.5) >>> zero);
+ assertEquals(pos_smi, (pos_smi + 0.5) << zero);
+ assertEquals(pos_smi / 2, (pos_smi + 0.5) >> one);
+ assertEquals(pos_smi / 2, (pos_smi + 0.5) >>> one);
+ assertEquals(pos_non_smi, (pos_smi + 0.5) << one);
+ assertEquals(pos_smi / 8, (pos_smi + 0.5) >> three);
+ assertEquals(pos_smi / 8, (pos_smi + 0.5) >>> three);
+ assertEquals(-0x2329b000, (pos_smi + 0.5) << three);
+ assertEquals(0x73594000, (pos_smi + 0.5) << five);
+
+ assertEquals(neg_smi / 2, (neg_smi) >> one);
+ assertEquals(neg_smi / 2 + 0x100000000 / 2, (neg_smi) >>> one);
+ assertEquals(neg_non_smi, (neg_smi) << one);
+ assertEquals(neg_smi / 8, (neg_smi) >> three);
+ assertEquals(neg_smi / 8 + 0x100000000 / 8, (neg_smi) >>> three);
+ assertEquals(0x46536000, (neg_smi) << four);
+ assertEquals(-0x73594000, (neg_smi) << five);
+ assertEquals(neg_smi, (neg_smi - 0.5) >> zero);
+ assertEquals(neg_smi + 0x100000000, (neg_smi - 0.5) >>> zero);
+ assertEquals(neg_smi, (neg_smi - 0.5) << zero);
+ assertEquals(neg_smi / 2, (neg_smi - 0.5) >> one);
+ assertEquals(neg_smi / 2 + 0x100000000 / 2, (neg_smi - 0.5) >>> one);
+ assertEquals(neg_non_smi, (neg_smi - 0.5) << one);
+ assertEquals(neg_smi / 8, (neg_smi - 0.5) >> three);
+ assertEquals(neg_smi / 8 + 0x100000000 / 8, (neg_smi - 0.5) >>> three);
+ assertEquals(0x46536000, (neg_smi - 0.5) << four);
+ assertEquals(-0x73594000, (neg_smi - 0.5) << five);
+ // End block A repeat 2
+
+ // Repeat previous block, with computed values in the shift variables.
+ five = 0;
+ while (five < 5 ) ++five;
+ four = five - one;
+ three = four - one;
+ one = four - three;
+ zero = one - one;
+
+ // Begin block A repeat 3
+ assertEquals(pos_non_smi, (pos_non_smi) >> zero);
+ assertEquals(pos_non_smi, (pos_non_smi) >>> zero);
+ assertEquals(pos_non_smi, (pos_non_smi) << zero);
+ assertEquals(neg_non_smi, (neg_non_smi) >> zero);
+ assertEquals(neg_non_smi + 0x100000000, (neg_non_smi) >>> zero);
+ assertEquals(neg_non_smi, (neg_non_smi) << zero);
+ assertEquals(pos_smi, (pos_smi) >> zero);
+ assertEquals(pos_smi, (pos_smi) >>> zero);
+ assertEquals(pos_smi, (pos_smi) << zero);
+ assertEquals(neg_smi, (neg_smi) >> zero, "negsmi >> zero(2)");
+ assertEquals(neg_smi + 0x100000000, (neg_smi) >>> zero);
+ assertEquals(neg_smi, (neg_smi) << zero, "negsmi << zero(2)");
+
+ assertEquals(pos_non_smi / 2, (pos_non_smi) >> one);
+ assertEquals(pos_non_smi / 2, (pos_non_smi) >>> one);
+ assertEquals(-0x1194D800, (pos_non_smi) << one);
+ assertEquals(pos_non_smi / 8, (pos_non_smi) >> three);
+ assertEquals(pos_non_smi / 8, (pos_non_smi) >>> three);
+ assertEquals(-0x46536000, (pos_non_smi) << three);
+ assertEquals(0x73594000, (pos_non_smi) << four);
+ assertEquals(pos_non_smi, (pos_non_smi + 0.5) >> zero);
+ assertEquals(pos_non_smi, (pos_non_smi + 0.5) >>> zero);
+ assertEquals(pos_non_smi, (pos_non_smi + 0.5) << zero);
+ assertEquals(pos_non_smi / 2, (pos_non_smi + 0.5) >> one);
+ assertEquals(pos_non_smi / 2, (pos_non_smi + 0.5) >>> one);
+ assertEquals(-0x1194D800, (pos_non_smi + 0.5) << one);
+ assertEquals(pos_non_smi / 8, (pos_non_smi + 0.5) >> three);
+ assertEquals(pos_non_smi / 8, (pos_non_smi + 0.5) >>> three);
+ assertEquals(-0x46536000, (pos_non_smi + 0.5) << three);
+ assertEquals(0x73594000, (pos_non_smi + 0.5) << four);
+
+ assertEquals(neg_non_smi / 2, (neg_non_smi) >> one);
+ assertEquals(neg_non_smi / 2 + 0x100000000 / 2, (neg_non_smi) >>> one);
+ assertEquals(0x1194D800, (neg_non_smi) << one);
+ assertEquals(neg_non_smi / 8, (neg_non_smi) >> three);
+ assertEquals(neg_non_smi / 8 + 0x100000000 / 8, (neg_non_smi) >>> three);
+ assertEquals(0x46536000, (neg_non_smi) << three);
+ assertEquals(-0x73594000, (neg_non_smi) << four);
+ assertEquals(neg_non_smi, (neg_non_smi - 0.5) >> zero);
+ assertEquals(neg_non_smi + 0x100000000, (neg_non_smi - 0.5) >>> zero);
+ assertEquals(neg_non_smi, (neg_non_smi - 0.5) << zero);
+ assertEquals(neg_non_smi / 2, (neg_non_smi - 0.5) >> one);
+ assertEquals(neg_non_smi / 2 + 0x100000000 / 2, (neg_non_smi - 0.5) >>> one);
+ assertEquals(0x1194D800, (neg_non_smi - 0.5) << one);
+ assertEquals(neg_non_smi / 8, (neg_non_smi - 0.5) >> three);
+ assertEquals(neg_non_smi / 8 + 0x100000000 / 8, (neg_non_smi - 0.5)
+ >>> three);
+ assertEquals(0x46536000, (neg_non_smi - 0.5) << three);
+ assertEquals(-0x73594000, (neg_non_smi - 0.5) << four);
+
+ assertEquals(pos_smi / 2, (pos_smi) >> one);
+ assertEquals(pos_smi / 2, (pos_smi) >>> one);
+ assertEquals(pos_non_smi, (pos_smi) << one);
+ assertEquals(pos_smi / 8, (pos_smi) >> three);
+ assertEquals(pos_smi / 8, (pos_smi) >>> three);
+ assertEquals(-0x2329b000, (pos_smi) << three);
+ assertEquals(0x73594000, (pos_smi) << five);
+ assertEquals(pos_smi, (pos_smi + 0.5) >> zero);
+ assertEquals(pos_smi, (pos_smi + 0.5) >>> zero);
+ assertEquals(pos_smi, (pos_smi + 0.5) << zero);
+ assertEquals(pos_smi / 2, (pos_smi + 0.5) >> one);
+ assertEquals(pos_smi / 2, (pos_smi + 0.5) >>> one);
+ assertEquals(pos_non_smi, (pos_smi + 0.5) << one);
+ assertEquals(pos_smi / 8, (pos_smi + 0.5) >> three);
+ assertEquals(pos_smi / 8, (pos_smi + 0.5) >>> three);
+ assertEquals(-0x2329b000, (pos_smi + 0.5) << three);
+ assertEquals(0x73594000, (pos_smi + 0.5) << five);
+
+ assertEquals(neg_smi / 2, (neg_smi) >> one);
+ assertEquals(neg_smi / 2 + 0x100000000 / 2, (neg_smi) >>> one);
+ assertEquals(neg_non_smi, (neg_smi) << one);
+ assertEquals(neg_smi / 8, (neg_smi) >> three);
+ assertEquals(neg_smi / 8 + 0x100000000 / 8, (neg_smi) >>> three);
+ assertEquals(0x46536000, (neg_smi) << four);
+ assertEquals(-0x73594000, (neg_smi) << five);
+ assertEquals(neg_smi, (neg_smi - 0.5) >> zero, "negsmi.5 >> zero");
+ assertEquals(neg_smi + 0x100000000, (neg_smi - 0.5) >>> zero);
+ assertEquals(neg_smi, (neg_smi - 0.5) << zero, "negsmi.5 << zero");
+ assertEquals(neg_smi / 2, (neg_smi - 0.5) >> one);
+ assertEquals(neg_smi / 2 + 0x100000000 / 2, (neg_smi - 0.5) >>> one);
+ assertEquals(neg_non_smi, (neg_smi - 0.5) << one);
+ assertEquals(neg_smi / 8, (neg_smi - 0.5) >> three);
+ assertEquals(neg_smi / 8 + 0x100000000 / 8, (neg_smi - 0.5) >>> three);
+ assertEquals(0x46536000, (neg_smi - 0.5) << four);
+ assertEquals(-0x73594000, (neg_smi - 0.5) << five);
+ // End block A repeat 3
+
+ // Test non-integer shift value
+ assertEquals(5, 20.5 >> 2.4);
+ assertEquals(5, 20.5 >> 2.7);
+ var shift = 2.4;
+ assertEquals(5, 20.5 >> shift);
+ assertEquals(5, 20.5 >> shift + 0.3);
+ shift = shift + zero;
+ assertEquals(5, 20.5 >> shift);
+ assertEquals(5, 20.5 >> shift + 0.3);
+}
+
+testShiftNonSmis();
+
+function intConversion() {
+ function foo(x) {
+ assertEquals(x, (x * 1.0000000001) | 0, "foo more " + x);
+ assertEquals(x, x | 0, "foo " + x);
+ if (x > 0) {
+ assertEquals(x - 1, (x * 0.9999999999) | 0, "foo less " + x);
+ } else {
+ assertEquals(x + 1, (x * 0.9999999999) | 0, "foo less " + x);
+ }
+ }
+ for (var i = 1; i < 0x80000000; i *= 2) {
+ foo(i);
+ foo(-i);
+ }
+ for (var i = 1; i < 1/0; i *= 2) {
+ assertEquals(i | 0, (i * 1.0000000000000001) | 0, "b" + i);
+ assertEquals(-i | 0, (i * -1.0000000000000001) | 0, "c" + i);
+ }
+ for (var i = 0.5; i > 0; i /= 2) {
+ assertEquals(0, i | 0, "d" + i);
+ assertEquals(0, -i | 0, "e" + i);
+ }
+}
+
+intConversion();
+
+// Verify that we handle the (optimized) corner case of shifting by
+// zero even for non-smis.
+function shiftByZero(n) { return n << 0; }
+
+assertEquals(3, shiftByZero(3.1415));