Implement most of bulk memory#976
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fitzgen merged 11 commits intobytecodealliance:masterfrom Feb 26, 2020
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fitzgen
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@alexcrichton I've addressed all your feedback, do you want to take another look at this? |
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crates/runtime/src/instance.rs
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| // we need the incremental writes up to the OOB trap to be visible, | ||
| // since this is dictated by the updated spec for the bulk memory | ||
| // proposal. | ||
| if num_uncopied > 0 { |
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Given WebAssembly/bulk-memory-operations#138 (comment) it sounds like this loop doesn't need to change much here?
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This adds support for the `table.copy` instruction from the bulk memory proposal. It also supports multiple tables, which were introduced by the reference types proposal. Part of bytecodealliance#928
Essentially, table and memory out of bounds errors are no longer link errors, but traps after linking. This means that the partail writes / inits are visible.
We've crossed the threshold where this is easier :)
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This is a breaking API change: the following settings have been renamed: - jump_tables_enabled -> enable_jump_tables - colocated_libcalls -> use_colocated_libcalls - probestack_enabled -> enable_probestack - allones_funcaddrs -> emit_all_ones_funcaddrs
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Felt like a good time to start landing some of this work :)