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Issue #2308 & #1240 Follow-up - Introduce new increment and decrement operations. https://bugzilla.mozilla.org/show_bug.cgi?id=1508521

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Brian Smith 2023-09-16 05:38:42 -05:00 • committed by roytam1
commit 5c8a6c5bb8
13 changed files with 157 additions and 30 deletions
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7
js/src/frontend/NameOpEmitter.cpp
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@ -339,7 +339,7 @@ NameOpEmitter::emitIncDec()
{
MOZ_ASSERT(state_ == State::Start);
JSOp binOp = isInc() ? JSOP_ADD : JSOP_SUB;
JSOp incOp = isInc() ? JSOP_INC : JSOP_DEC;
if (!prepareForRhs()) { // ENV? V
return false;
}
@ -351,10 +351,7 @@ NameOpEmitter::emitIncDec()
return false;
}
}
if (!bce_->emit1(JSOP_ONE)) { // ENV? N? N 1
return false;
}
if (!bce_->emit1(binOp)) { // ENV? N? N+1
if (!bce_->emit1(incOp)) { // ENV? N? N+1
return false;
}
if (isPostIncDec() && emittedBindOp()) {