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This updates spec test suite to that of the current up-to-date version
of https://github.com/WebAssembly/spec repo.
- All failing tests are added in `BLACKLIST` in shared.py with reasons.
- For tests that already existed and was passing and started failing
after the update, we add the new test to the blacklist and preserve
the old file by renaming it to 'old_[FILENAME].wast' not to lose test
coverage. When the cause of the error is fixed or the unsupported
construct gets support so the new test passes, we can delete the
corresponding 'old_[FILENAME].wast' file.
- Adds support for `spectest.print_[type] style imports.
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I fixed flatten.bin.txt which seems to have just had some corrupted data, and I removed some fancy unicode from the spec comments tests, which I'm not sure it's important enough to figure out how to fix.
Fixes #1691
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We don't ever emit "use asm" anymore, so this similar annotation is not really useful, it just increases size.
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When loading a boolean, prefer the signed heap (which is more commonly used, and may be faster).
We never use HEAPU32 (HEAP32 is always enough), just remove it.
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Also fix the fuzzer's handling of feature flags so that wasm2js can work.
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* Don't assume function types exist in legalize-js-interface.
* Properly handle (ignore) imports in RemoveNonJSOps - do not try to recurse into them.
* Run legalize-js-interface and remove-unused-module-elements in wasm2js, the first is necessary, the last is nice to have.
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Also emit the memory growth code based on memory growth, and not whether we are "use asm" or not.
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This replaces the multiple asm.js tables (of power-of-2 size) with a single simple table.
Also supports importing the table.
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* I64ToI32Lowering - don't assume address 0 is a hardcoded location for scratch memory. Import __tempMemory__ for that.
* RemoveNonJSOps - also use __tempMemory__. Oddly here the address was a hardcoded 1024 (perhaps where the rust program put a static global?).
* Support imported ints in wasm2js, coercing them as needed.
* Add "env" import support in the tests, since now we emit imports from there.
* Make wasm2js tests split out multi-module tests using split_wast which is more robust and avoids emitting multiple outputs in one file (which makes no sense for ES6 modules)
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Early work for #1929
* Leave core wasm module - the "asm.js function" - to Wasm2JSBuilder, and add Wasm2JSGlue which emits the code before and after that. Currently that's some ES6 code, but we may want to change that later.
* Add add AssertionEmitter class for the sole purpose of emitting modules + assertions for testing. This avoids some hacks from before like starting from index 1 (assuming the module at first position was already parsed and printed) and printing of the f32Equal etc. functions not at the very top (which was due to technical limitations before).
Logic-wise, there should be no visible change, except some whitespace and reodering, and that I made the exceptions print out the source of the assertion that failed from the wast:
-if (!check2()) fail2();
+if (!check2()) throw 'assertion failed: ( assert_return ( call add ( i32.const 1 ) ( i32.const 1 ) ) ( i32.const 2 ) )';
(fail2 etc. did not exist, and seems to just have given a unique number for each assertion?)
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* Rename the `wasm2asm` tool to `wasm2js`
This commit performs a relatively simple rename of the `wasm2asm` tool to
`wasm2js`. The functionality of the tool doesn't change just yet but it's
intended that we'll start generating an ES module instead of just an `asm.js`
function soon.
* wasm2js: Support `*.wasm` input files
Previously `wasm2js` only supported `*.wast` files but to make it a bit easier
to use in tooling pipelines this commit adds support for reading in a `*.wasm`
file directly. Determining which parser to use depends on the input filename,
where the binary parser is used with `*.wasm` files and the wast parser is used
for all other files.
* wasm2js: Emit ESM imports/exports by default
This commit alters the default behavior of `wasm2js` to emit an ESM by default,
either importing items from the environment or exporting. Items like
initialization of memory are also handled here.
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