Fix bitwise negation on x64

BUG=chromium:285355
R=verwaest@chromium.org

Review URL: https://codereview.chromium.org/24037003

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@16579 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
parent d4e60458
......@@ -1425,7 +1425,7 @@ void LCodeGen::DoBitI(LBitI* instr) {
break;
case Token::BIT_XOR:
if (right_operand == int32_t(~0)) {
__ not_(ToRegister(left));
__ notl(ToRegister(left));
} else {
__ xorl(ToRegister(left), Immediate(right_operand));
}
......
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// Flags: --allow-natives-syntax
function inverted_index() {
return ~1;
}
%NeverOptimizeFunction(inverted_index);
function crash(array) {
return array[~inverted_index()] = 2;
}
assertEquals(2, crash(new Array(1)));
assertEquals(2, crash(new Array(1)));
%OptimizeFunctionOnNextCall(crash)
assertEquals(2, crash(new Array(1)));
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