зеркало из https://github.com/mozilla/gecko-dev.git
Bug 1754235 - Narrow RegEx flag reads to corresponding size - r=iain
Differential Revision: https://phabricator.services.mozilla.com/D138166
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@ -1979,8 +1979,9 @@ static void UpdateRegExpStatics(MacroAssembler& masm, Register regexp,
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temp1, JSVAL_TYPE_PRIVATE_GCTHING);
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masm.loadPtr(Address(temp1, RegExpShared::offsetOfSource()), temp2);
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masm.storePtr(temp2, lazySourceAddress);
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masm.load32(Address(temp1, RegExpShared::offsetOfFlags()), temp2);
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masm.store32(temp2, Address(staticsReg, RegExpStatics::offsetOfLazyFlags()));
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static_assert(sizeof(JS::RegExpFlags) == 1, "load size must match flag size");
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masm.load8ZeroExtend(Address(temp1, RegExpShared::offsetOfFlags()), temp2);
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masm.store8(temp2, Address(staticsReg, RegExpStatics::offsetOfLazyFlags()));
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}
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// Prepare an InputOutputData and optional MatchPairs which space has been
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