Displaying 1 result from an estimated 1 matches for "match&transform".
2018 Dec 30
3
[cfe-dev] Portable multiplication 64 x 64 -> 128 for int128 reimplementation
...use inline assembly. MSVC provides an intrinsic for this instruction.
>> This defeats the idea of portable int128 reimplementation and makes
>> constexpr implementation of multiplication at least inconvenient.
>>
>> Maybe there is a hope for me in LLVM. Is there any pattern matcher that
>> is producing MUL instruction of bigger type?
>> If not, would it be good idea to teach LLVM about it?
>>
>> Bests,
>> Paweł
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