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Issue #1894 - Part 1: Implement coalesce JS opcode

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Based on https://bugzilla.mozilla.org/show_bug.cgi?id=1566141
This commit is contained in:
FranklinDM 2022-05-20 14:35:26 +08:00 • committed by roytam1
commit 3efa23472c
3 changed files with 23 additions and 4 deletions
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10
js/src/vm/Interpreter.cpp
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@ -2128,6 +2128,16 @@ CASE(JSOP_IFNE)
}
END_CASE(JSOP_IFNE)
CASE(JSOP_COALESCE)
{
MutableHandleValue res = REGS.stackHandleAt(-1);
bool cond = !res.isNullOrUndefined();
if (cond) {
ADVANCE_AND_DISPATCH(GET_JUMP_OFFSET(REGS.pc));
}
}
END_CASE(JSOP_COALESCE)
CASE(JSOP_OR)
{
bool cond = ToBoolean(REGS.stackHandleAt(-1));