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by the8472
696 days ago
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The sanctioned way to this would be masked aligned load intrinsics, alignment avoids page faults, masking avoids reading undef bits, being an intrinsic conveys the intent to the compiler so it'll know that this is not an OOB read. The other option that I've seen discussed is adding a freezing load to LLVM that turns the undef bits into some unspecified but valid bit patterns. |
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