RFR: 8291550: RISC-V: jdk uses misaligned memory access when AvoidUnalignedAccess enabled [v5]

[Vladimir Kempik]

On Thu, 4 May 2023 15:30:07 GMT, Vladimir Kempik <vkempik at openjdk.org> wrote:

>> src/hotspot/cpu/riscv/interp_masm_riscv.cpp line 228:
>> 
>>> 226:       slli(tmp, tmp, 24);
>>> 227:       add(index, index, tmp);
>>> 228:     } else {
>> 
>> Does it really make sense to do this here? Shouldn't there be an unaligned version of `lwu` in MacroAssembler?
>
> Sounds interesting.

Updated the PR, load_word_misaligned looks slightly ugly due to **Address -> (Address + offset)** conversion

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PR Review Comment: https://git.openjdk.org/jdk/pull/13645#discussion_r1185261979