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Minimal implimentation of prefetch #414

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#420
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Minimal implimentation of prefetch#414
#420
@NCGThompson

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@NCGThompson
NCGThompson
opened on Jan 16, 2024

rustc_codegen_gcc/src/intrinsic/mod.rs

Lines 170 to 175 in 1a8e0c3

sym::prefetch_read_data
| sym::prefetch_write_data
| sym::prefetch_read_instruction
| sym::prefetch_write_instruction => {
unimplemented!();
}

Currently, all the prefetch operations lead to unimplemented!() macro. However, prefetches are just a suggestion and can be interpreted as a noop, like assume is.

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