Commit c0f1f18f authored by ager@chromium.org's avatar ager@chromium.org

Fix bug in KeyedLoadIC generic stub where signed instead of unsigned

comparison was used.

Review URL: http://codereview.chromium.org/1769005

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@4485 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
parent 17600383
......@@ -710,7 +710,7 @@ void KeyedLoadIC::GenerateGeneric(MacroAssembler* masm) {
// Check that the key (index) is within bounds.
__ ldr(r3, FieldMemOperand(r1, Array::kLengthOffset));
__ cmp(r0, Operand(r3));
__ b(ge, &slow);
__ b(hs, &slow);
// Fast case: Do the load.
__ add(r3, r1, Operand(FixedArray::kHeaderSize - kHeapObjectTag));
__ ldr(r0, MemOperand(r3, r0, LSL, kPointerSizeLog2));
......
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// Regression test for http://code.google.com/p/v8/issues/detail?id=685.
//
// Test that keyed load IC generic stub uses unsigned comparison for
// for the length field of arrays.
//
// The test passes if it does not crash.
function test() {
var N = 0xFFFFFFFF;
var a = [];
a[N - 1] = 0;
a[N - 2] = 1;
a.reverse();
}
test();
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