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  33. 27 Jan, 2021 2 commits
    • Ng Zhi An's avatar
      [wasm-simd] Move load/store lane out of post-mvp · 848137c4
      Ng Zhi An authored 
      Define a new macro list, since this has 1 immediate operand (lane index)
compared to other SIMD load/stores.

Also remove all the ifdef guards.

Bug: v8:10975
Change-Id: Ib0a1f7bb6c4bdf83d81a65b4e02199b792d13837
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2645568Reviewed-by: 's avatarDeepti Gandluri <gdeepti@chromium.org>
Commit-Queue: Zhi An Ng <zhin@chromium.org>
Cr-Commit-Position: refs/heads/master@{#72377}
      848137c4
    • Manos Koukoutos's avatar
      Reland "[wasm-gc] Remove abstract rtts" · d3b41d07
      Manos Koukoutos authored 
      This is a reland of b77deeca

Changes compared to original: Add explicit narrowing casts in tests
for MSVC.

Original change's description:
> [wasm-gc] Remove abstract rtts
>
> In the latest wasm-gc spec, rtts of abstract types are no longer
> allowed. Consequently, canonical rtts of concrete types always have
> a depth of 0.
>
> Changes:
> - Change the immediate argument of rtts to a type index over a heap
>   type. Abstract it with TypeIndexImmediate in function body decoding.
>   This affects:
>   value_type.h, read_value_type(), decoding of relevant opcodes,
>   wasm subtyping, WasmInitExpr, consume_init_expr(), and
>   wasm-module-builder.cc.
> - In function-body-decoder-impl.h, update rtt.canon to always produce
>   an rtt of depth 0.
> - Pass a unit32_t type index over a HeapType to all rtt-related
>   utilities.
> - Remove infrastructure for abstract-type rtts from the wasm compilers,
>   setup-heap-internal.cc, roots.h, and module-instantiate.cc.
> - Remove ObjectReferenceKnowledge::rtt_is_i31. Remove related branches
>   from ref.test, ref.cast and br_on_cast implementations in the wasm
>   compilers.
> - Remove unused 'parent' field from WasmTypeInfo.
> - Make the parent argument optional in NewWasmTypeInfo, CreateStructMap,
>   and CreateArrayMap.
> - Use more convenient arguments in IsHeapSubtypeOf.
> - Update tests.
>
> Bug: v8:7748
> Change-Id: Ib45efe0741e6558c9b291fc8b4a75ae303146bdc
> Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2642248
> Commit-Queue: Manos Koukoutos <manoskouk@chromium.org>
> Reviewed-by: Ulan Degenbaev <ulan@chromium.org>
> Reviewed-by: Jakob Kummerow <jkummerow@chromium.org>
> Cr-Commit-Position: refs/heads/master@{#72321}

Bug: v8:7748
Change-Id: I22b204b486fd185077cd6c7f15d492f5143f48fe
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2650207
Commit-Queue: Manos Koukoutos <manoskouk@chromium.org>
Reviewed-by: 's avatarJakob Kummerow <jkummerow@chromium.org>
Reviewed-by: 's avatarUlan Degenbaev <ulan@chromium.org>
Cr-Commit-Position: refs/heads/master@{#72355}
      d3b41d07
  35. 26 Jan, 2021 4 commits
    • Ng Zhi An's avatar
      [wasm-simd] Move i64x2.eq out of post mvp · 906b9644
      Ng Zhi An authored 
      This is merged into the proposal:
https://github.com/WebAssembly/simd/issues/419#issuecomment-765675472.

Bug: v8:11215
Change-Id: Ibe37c4f8a977ab9af1cc2dd083f1ebb88b27acfa
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2647986Reviewed-by: 's avatarDeepti Gandluri <gdeepti@chromium.org>
Commit-Queue: Zhi An Ng <zhin@chromium.org>
Cr-Commit-Position: refs/heads/master@{#72333}
      906b9644
    • Clemens Backes's avatar
      Revert "[wasm-gc] Remove abstract rtts" · f30c2681
      Clemens Backes authored 
      This reverts commit b77deeca.

Reason for revert: MSVC compile fails: https://ci.chromium.org/ui/p/v8/builders/ci/V8%20Win64%20-%20msvc/16535/overview

Original change's description:
> [wasm-gc] Remove abstract rtts
>
> In the latest wasm-gc spec, rtts of abstract types are no longer
> allowed. Consequently, canonical rtts of concrete types always have
> a depth of 0.
>
> Changes:
> - Change the immediate argument of rtts to a type index over a heap
>   type. Abstract it with TypeIndexImmediate in function body decoding.
>   This affects:
>   value_type.h, read_value_type(), decoding of relevant opcodes,
>   wasm subtyping, WasmInitExpr, consume_init_expr(), and
>   wasm-module-builder.cc.
> - In function-body-decoder-impl.h, update rtt.canon to always produce
>   an rtt of depth 0.
> - Pass a unit32_t type index over a HeapType to all rtt-related
>   utilities.
> - Remove infrastructure for abstract-type rtts from the wasm compilers,
>   setup-heap-internal.cc, roots.h, and module-instantiate.cc.
> - Remove ObjectReferenceKnowledge::rtt_is_i31. Remove related branches
>   from ref.test, ref.cast and br_on_cast implementations in the wasm
>   compilers.
> - Remove unused 'parent' field from WasmTypeInfo.
> - Make the parent argument optional in NewWasmTypeInfo, CreateStructMap,
>   and CreateArrayMap.
> - Use more convenient arguments in IsHeapSubtypeOf.
> - Update tests.
>
> Bug: v8:7748
> Change-Id: Ib45efe0741e6558c9b291fc8b4a75ae303146bdc
> Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2642248
> Commit-Queue: Manos Koukoutos <manoskouk@chromium.org>
> Reviewed-by: Ulan Degenbaev <ulan@chromium.org>
> Reviewed-by: Jakob Kummerow <jkummerow@chromium.org>
> Cr-Commit-Position: refs/heads/master@{#72321}

TBR=ulan@chromium.org,jkummerow@chromium.org,manoskouk@chromium.org

Change-Id: I2f0d97f1a34f7c81c5a97d7c37925cb84c66eea3
No-Presubmit: true
No-Tree-Checks: true
No-Try: true
Bug: v8:7748
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2650206Reviewed-by: 's avatarClemens Backes <clemensb@chromium.org>
Commit-Queue: Clemens Backes <clemensb@chromium.org>
Cr-Commit-Position: refs/heads/master@{#72322}
      f30c2681
    • Manos Koukoutos's avatar
      [wasm-gc] Remove abstract rtts · b77deeca
      Manos Koukoutos authored 
      In the latest wasm-gc spec, rtts of abstract types are no longer
allowed. Consequently, canonical rtts of concrete types always have
a depth of 0.

Changes:
- Change the immediate argument of rtts to a type index over a heap
  type. Abstract it with TypeIndexImmediate in function body decoding.
  This affects:
  value_type.h, read_value_type(), decoding of relevant opcodes,
  wasm subtyping, WasmInitExpr, consume_init_expr(), and
  wasm-module-builder.cc.
- In function-body-decoder-impl.h, update rtt.canon to always produce
  an rtt of depth 0.
- Pass a unit32_t type index over a HeapType to all rtt-related
  utilities.
- Remove infrastructure for abstract-type rtts from the wasm compilers,
  setup-heap-internal.cc, roots.h, and module-instantiate.cc.
- Remove ObjectReferenceKnowledge::rtt_is_i31. Remove related branches
  from ref.test, ref.cast and br_on_cast implementations in the wasm
  compilers.
- Remove unused 'parent' field from WasmTypeInfo.
- Make the parent argument optional in NewWasmTypeInfo, CreateStructMap,
  and CreateArrayMap.
- Use more convenient arguments in IsHeapSubtypeOf.
- Update tests.

Bug: v8:7748
Change-Id: Ib45efe0741e6558c9b291fc8b4a75ae303146bdc
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2642248
Commit-Queue: Manos Koukoutos <manoskouk@chromium.org>
Reviewed-by: 's avatarUlan Degenbaev <ulan@chromium.org>
Reviewed-by: 's avatarJakob Kummerow <jkummerow@chromium.org>
Cr-Commit-Position: refs/heads/master@{#72321}
      b77deeca
    • Zhi An Ng's avatar
      Revert "[wasm-simd] Merge all any_true to v128.any_true" · 9dccd91c
      Zhi An Ng authored 
      This reverts commit 9c09c227.

Reason for revert: gc stress failures https://ci.chromium.org/ui/p/v8/builders/ci/V8%20Linux%20-%20arm64%20-%20sim%20-%20gc%20stress/20563/overview

Original change's description:
> [wasm-simd] Merge all any_true to v128.any_true
>
> In https://github.com/WebAssembly/simd/pull/423, all any_true
> instructions were removed, and replaced with a single v128.any_true.
>
> This patch removes all but v8x16.any_true, and renames it to
> v128.any_true.
>
> Bug: v8:11331
> Change-Id: Ie394ec841a1a1c4030c4f589eac2cee8a6a2a1f9
> Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2639033
> Reviewed-by: Georg Neis <neis@chromium.org>
> Reviewed-by: Deepti Gandluri <gdeepti@chromium.org>
> Commit-Queue: Zhi An Ng <zhin@chromium.org>
> Cr-Commit-Position: refs/heads/master@{#72304}

TBR=neis@chromium.org,gdeepti@chromium.org,neis@google.com,zhin@chromium.org

Change-Id: I52dbf8de679059dd7b17908c1fe3ada0eb54ff84
No-Presubmit: true
No-Tree-Checks: true
No-Try: true
Bug: v8:11331
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2649240Reviewed-by: 's avatarZhi An Ng <zhin@chromium.org>
Commit-Queue: Zhi An Ng <zhin@chromium.org>
Cr-Commit-Position: refs/heads/master@{#72305}
      9dccd91c
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