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* [Strings] Add string.new GC variants (#4813)Alon Zakai2022-07-191-0/+2
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* [Strings] stringview_wtf16.length (#4809)Alon Zakai2022-07-181-0/+1
| | | | This measures the length of a view, so it seems simplest to make it a sub-operation of the existing measure instruction.
* [Strings] stringview_*.slice (#4805)Alon Zakai2022-07-151-0/+3
| | | | | | | Unfortunately one slice is the same as python [start:end], using 2 params, and the other slice is one param, [CURR:CURR+num] (where CURR is implied by the current state in the iter). So we can't use a single class here. Perhaps a different name would be good, like slice vs substring (like JS does), but I picked names to match the current spec.
* [Strings] stringview access operations (#4798)Alon Zakai2022-07-131-0/+5
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* [Strings] string.as (#4797)Alon Zakai2022-07-121-0/+3
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* [Parser] Start to parse instructions (#4789)Thomas Lively2022-07-111-6/+22
| | | | | | | | | | | | | | | | | | | | | Update gen-s-parser.py to produce a second version of its parsing code that works with the new wat parser. The new version automatically replaces the `s` element argument in the existing parser with the `ctx` and `in` arguments used by the new parser, so adding new instructions will not require any additional work in gen-s-parser.py after this change. Also add stub `make***` functions to the new wat parser, with a few filled out, namely `makeNop`, `makeUnreachable`, `makeConst`, and `makeRefNull`. Update the `global` parser to parse global initializer instructions and update wat-kitchen-sink.wast to demonstrate that the instructions are parsed correctly. Adding new instruction classes will require adding a new `make***` function to wat-parser.cpp in additional to wasm-s-parser.{h,cpp} after this change, but adding a trivial failing implementation is good enough for the time being, so I don't expect this to appreciably increase our maintenance burden in the near term. The infrastructure for parsing folded instructions, instructions with operands, and control flow instructions will be implemented in future PRs.
* [Strings] string.is_usv_sequence (#4783)Alon Zakai2022-07-081-0/+1
| | | | | | | This implements it as a StringMeasure opcode. They do have the same number of operands, same trapping behavior, and same return type. They both get a string and do some inspection of it to return an i32. Perhaps the name could be StringInspect or something like that, rather than StringMeasure..? But I think for now this might be good enough, and the spec may change anyhow later.
* [Strings] string.eq (#4781)Alon Zakai2022-07-081-0/+1
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* [Strings] string.concat (#4777)Alon Zakai2022-07-081-0/+1
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* [Strings] string.encode (#4776)Alon Zakai2022-07-071-0/+2
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* [Strings] string.measure (#4775)Alon Zakai2022-07-071-0/+2
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* [Strings] Add string.const (#4768)Alon Zakai2022-07-061-0/+1
| | | | | This is more work than a typical instruction because it also adds a new section: all the (string.const "foo") strings are put in a new "strings" section in the binary, and the instructions refer to them by index.
* [Strings] Add string.new* instructions (#4761)Alon Zakai2022-06-291-0/+2
| | | | | | This is the first instruction from the Strings proposal. This includes everything but interpreter support.
* Update relaxed SIMD instructionsThomas Lively2022-06-071-2/+0
| | | | | Update the opcodes for all relaxed SIMD instructions and remove the unsigned dot product instructions that are no longer in the proposal.
* Add ref.cast_nop_static (#4656)Thomas Lively2022-05-111-0/+1
| | | | | | This unsafe experimental instruction is semantically equivalent to ref.cast_static, but V8 will unsafely turn it into a nop. This is meant to help us measure cast overhead more precisely than we can by globally turning all casts into nops.
* Implement relaxed SIMD dot product instructions (#4586)Thomas Lively2022-04-111-1/+5
| | | As proposed in https://github.com/WebAssembly/relaxed-simd/issues/52.
* [SIMD] Make swizzle's opcode name consistent (NFC) (#4585)Heejin Ahn2022-04-091-2/+2
| | | | Other opcode ends with `Inxm` or `Fnxm` (where n and m are integers), while `i8x16.swizzle`'s opcode name doesn't have an `I` in there.
* Implement i16x8.relaxed_q15mulr_s (#4583)Thomas Lively2022-04-071-0/+1
| | | As proposed in https://github.com/WebAssembly/relaxed-simd/issues/40.
* Add support for relaxed-simd instructions (#4320)Ng Zhi An2021-11-151-0/+19
| | | | | | | | | | | | | | | | | | | | | This adds relaxed-simd instructions based on the current status of the proposal https://github.com/WebAssembly/relaxed-simd/blob/main/proposals/relaxed-simd/Overview.md. Binary opcodes are based on what is listed in https://github.com/WebAssembly/relaxed-simd/blob/main/proposals/relaxed-simd/Overview.md#binary-format. Text names are not fixed yet, and some sort sort of names that maps to the non-relaxed versions are chosen for this prototype. Support for these instructions have been added to LLVM via builtins, adding support here will allow Emscripten to successfully compile files that use those builtins. Interpreter support has also been added, and they delegate to the non-relaxed versions of the instructions. Most instructions are implemented in the interpreter the same way as the non-relaxed simd128 instructions, except for fma/fms, which is always fused.
* Add table.grow operation (#4245)Max Graey2021-10-181-1/+1
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* Add table.size operation (#4224)Max Graey2021-10-081-1/+1
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* Add table.set operation (#4215)Max Graey2021-10-071-1/+9
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* Implement table.get (#4195)Alon Zakai2021-09-301-2/+3
| | | | Adds the part of the spec test suite that this passes (without table.set we can't do it all).
* [Wasm GC] Implement static (rtt-free) StructNew, ArrayNew, ArrayInit (#4172)Alon Zakai2021-09-231-0/+5
| | | | | | | | | See #4149 This modifies the test added in #4163 which used static casts on dynamically-created structs and arrays. That was technically not valid (as we won't want users to "mix" the two forms). This makes that test 100% static, which both fixes the test and gives test coverage to the new instructions added here.
* [Wasm GC] Add static variants of ref.test, ref.cast, and br_on_cast* (#4163)Alon Zakai2021-09-201-0/+4
| | | | | | | | | | | | These variants take a HeapType that is the type we intend to cast to, and do not take an RTT. These are intended to be more statically optimizable. For now though this PR just implements the minimum to get them parsing and to get through the optimizer without crashing. Spec: https://docs.google.com/document/d/1afthjsL_B9UaMqCA5ekgVmOm75BVFu6duHNsN9-gnXw/edit# See #4149
* [Wasm GC] ArrayInit support (#4138)Alon Zakai2021-09-101-13/+14
| | | | | | | array.init is like array.new_with_rtt except that it takes as arguments the values to initialize the array with (as opposed to a size and an optional initial value). Spec: https://docs.google.com/document/d/1afthjsL_B9UaMqCA5ekgVmOm75BVFu6duHNsN9-gnXw/edit#
* [Wasm GC] rtt.fresh_sub (#3936)Alon Zakai2021-06-171-0/+1
| | | | | | | | | | This is the same as rtt.sub, but creates a "new" rtt each time. See https://docs.google.com/document/d/1DklC3qVuOdLHSXB5UXghM_syCh-4cMinQ50ICiXnK3Q/edit# The old Literal implementation of rtts becomes a little more complex here, as it was designed for the original spec where only structure matters. It may be worth a complete redesign there, but for now as the spec is in flux I think the approach here is good enough.
* [Wasm GC] Add negated BrOn* operations (#3913)Alon Zakai2021-06-021-0/+5
| | | | | | They are basically the flip versions. The only interesting part in the impl is that their returned typed and sent types are different. Spec: https://docs.google.com/document/d/1DklC3qVuOdLHSXB5UXghM_syCh-4cMinQ50ICiXnK3Q/edit
* [Wasm GC] Add experimental array.copy (#3911)Alon Zakai2021-05-271-0/+1
| | | | | | | | Spec for it is here: https://docs.google.com/document/d/1DklC3qVuOdLHSXB5UXghM_syCh-4cMinQ50ICiXnK3Q/edit# Also reorder some things in wasm.h that were not in the canonical order (that has no effect, but it is confusing to read).
* Rename SIMD extending load instructions (#3798)Daniel Wirtz2021-04-121-6/+6
| | | | | | | | | Renames the SIMD instructions * LoadExtSVec8x8ToVecI16x8 -> Load8x8SVec128 * LoadExtUVec8x8ToVecI16x8 -> Load8x8UVec128 * LoadExtSVec16x4ToVecI32x4 -> Load16x4SVec128 * LoadExtUVec16x4ToVecI32x4 -> Load16x4UVec128 * LoadExtSVec32x2ToVecI64x2 -> Load32x2SVec128 * LoadExtUVec32x2ToVecI64x2 -> Load32x2UVec128
* Rename various SIMD load instructions (#3795)Daniel Wirtz2021-04-111-6/+6
| | | | | | | | | Renames the SIMD instructions * LoadSplatVec8x16 -> Load8SplatVec128 * LoadSplatVec16x8 -> Load16SplatVec128 * LoadSplatVec32x4 -> Load32SplatVec128 * LoadSplatVec64x2 -> Load64SplatVec128 * Load32Zero -> Load32ZeroVec128 * Load64Zero -> Load64ZeroVec128
* Add v128.load/storeN_lane SIMD instructions to C/JS API (#3784)Daniel Wirtz2021-04-081-8/+8
| | | | | | | | | | | Adds C/JS APIs for the SIMD instructions * Load8LaneVec128 (was LoadLaneVec8x16) * Load16LaneVec128 (was LoadLaneVec16x8) * Load32LaneVec128 (was LoadLaneVec32x4) * Load64LaneVec128 (was LoadLaneVec64x2) * Store8LaneVec128 (was StoreLaneVec8x16) * Store16LaneVec128 (was StoreLaneVec16x8) * Store32LaneVec128 (was StoreLaneVec32x4) * Store64LaneVec128 (was StoreLaneVec64x2)
* Update SIMD names and opcodes (#3771)Thomas Lively2021-04-051-55/+42
| | | | Also removes experimental SIMD instructions that were not included in the final spec proposal.
* Prototype i32x4.widen_i8x16_{s,u} (#3535)Thomas Lively2021-02-011-0/+2
| | | | | | | | As proposed in https://github.com/WebAssembly/simd/pull/395. Note that the other instructions in the proposal have not been implemented in LLVM or in V8, so there is no need to implement them in Binaryen right now either. This PR introduces a new expression class for the new instructions because they uniquely take an immediate argument identifying which portion of the input vector to widen.
* [GC] br_on_null (#3528)Alon Zakai2021-02-011-0/+1
| | | | | | | | | | | This is only partial support, as br_on_null also has an extra optional value in the spec. Implementing that is cumbersome in binaryen, and there is ongoing spec discussions about it (see https://github.com/WebAssembly/function-references/issues/45 ), so for now we only support the simple case without the default value. Also fix prefixed opcodes to be LEBs in RefAs, which was noticed here as the change here made it noticeable whether the values were int8 or LEBs.
* [GC] ref.as_non_null (#3527)Alon Zakai2021-01-281-0/+1
| | | | | | This is different than the other RefAs variants in that it is part of the typed functions proposal, and not GC. But it is part of GC prototype 3. Note: This is not useful to us yet as we don't support non-nullable types.
* [GC] Add br_on_func/data/i31 (#3525)Alon Zakai2021-01-281-1/+4
| | | | | | | | This expands the existing BrOnCast into BrOn that can also handle the func/data/i31 variants. This is not as elegant as RefIs / RefAs in that BrOnCast has an extra rtt field, but I think it is still the best option. We already have optional fields on Break (the value and condition), so making rtt optional is not odd. And it allows us to share all the behavior of br_on_* which aside from the cast or the check itself, is identical - returning the value if the branch is not taken, etc.
* [GC] ref.as_* (#3520)Alon Zakai2021-01-271-0/+3
| | | | | | | | These are similar to is, but instead of returning an i32 answer, they trap on an invalid value, and return it otherwise. These could in theory be in a single RefDoThing, with opcodes for both As and Is, but as the return values are different, that would be a little odd, and the name would be less clear.
* [GC] ref.is_func/data/i31 (#3519)Alon Zakai2021-01-261-2/+5
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* [GC] RefIsNull => RefIs. (#3516)Alon Zakai2021-01-261-1/+1
| | | | | | | | This internal refactoring prepares us for ref.is_func/data/i31, by renaming the node and adding an "op" field. For now that field must always be "Null" which means it is a ref.is_null. This adjusts the C API to match the new IR shape. The high-level JS API is unchanged.
* Remove exnref and br_on_exn (#3505)Heejin Ahn2021-01-221-1/+0
| | | This removes `exnref` type and `br_on_exn` instruction.
* Prototype additional f64x2 conversions (#3501)Thomas Lively2021-01-191-0/+7
| | | | As proposed in https://github.com/WebAssembly/simd/pull/383, with opcodes coordinated with the WIP V8 prototype.
* Prototype prefetch instructions (#3467)Thomas Lively2021-01-061-0/+3
| | | | As proposed in https://github.com/WebAssembly/simd/pull/352, using the opcodes used in the LLVM and V8 implementations.
* Prototype SIMD extending pairwise add instructions (#3466)Thomas Lively2021-01-051-2/+4
| | | | | | As proposed in https://github.com/WebAssembly/simd/pull/380, using the opcodes used in LLVM and V8. Since these opcodes overlap with the opcodes of i64x2.all_true and i64x2.any_true, which have long since been removed from the SIMD proposal, this PR also removes those instructions.
* Prototype SIMD instructions implemented in LLVM (#3440)Thomas Lively2020-12-111-0/+10
| | | | | | - i64x2.eq (https://github.com/WebAssembly/simd/pull/381) - i64x2 widens (https://github.com/WebAssembly/simd/pull/290) - i64x2.bitmask (https://github.com/WebAssembly/simd/pull/368) - signselect ops (https://github.com/WebAssembly/simd/pull/124)
* [TypedFunctionReferences] Implement call_ref (#3396)Alon Zakai2020-11-241-0/+3
| | | | | | | | Includes minimal support in various passes. Also includes actual optimization work in Directize, which was easy to add. Almost has fuzzer support, but the actual makeCallRef is just a stub so far. Includes s-parser support for parsing typed function references types.
* Rename atomic.notify and *.atomic.wait (#3353)Heejin Ahn2020-11-131-3/+3
| | | | | | | | | | | | | | - atomic.notify -> memory.atomic.notify - i32.atomic.wait -> memory.atomic.wait32 - i64.atomic.wait -> memory.atomic.wait64 See WebAssembly/threads#149. This renames instruction name printing but not the internal data structure names, such as `AtomicNotify`, which are not always the same as printed instruction names anyway. This also does not modify C API. But this fixes interface functions in binaryen.js because it seems binaryen.js's interface functions all follow the corresponding instruction names.
* Prototype new SIMD multiplications (#3291)Thomas Lively2020-10-281-0/+13
| | | | | | | Including saturating, rounding Q15 multiplication as proposed in https://github.com/WebAssembly/simd/pull/365 and extending multiplications as proposed in https://github.com/WebAssembly/simd/pull/376. Since these are just prototypes, skips adding them to the C or JS APIs and the fuzzer, as well as implementing them in the interpreter.
* Implement i8x16.popcnt (#3286)Thomas Lively2020-10-271-0/+1
| | | | | | As proposed in https://github.com/WebAssembly/simd/pull/379. Since this instruction is still being evaluated for inclusion in the SIMD proposal, this PR does not add support for it to the C/JS APIs or to the fuzzer. This PR also performs a drive-by fix for unrelated instructions in c-api-kitchen-sink.c
* Implement v128.{load,store}{8,16,32,64}_lane instructions (#3278)Thomas Lively2020-10-221-0/+8
| | | | | | | These instructions are proposed in https://github.com/WebAssembly/simd/pull/350. This PR implements them throughout Binaryen except in the C/JS APIs and in the fuzzer, where it leaves TODOs instead. Right now these instructions are just being implemented for prototyping so adding them to the APIs isn't critical and they aren't generally available to be fuzzed in Wasm engines.
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