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Ng Zhi An cccbd5f123 Reland "[wasm-simd][liftoff] Check CpuFeatures for SIMD support" 
This relands commit 7c32fa05df.

Some test cases need to be updated, since we will bail out to TurboFan
where previously Liftoff was happy to run, when SIMD is not supported.

Original change's description:
> [wasm-simd][liftoff] Check CpuFeatures for SIMD support
>
> If Wasm simd128 is not supported on this particular hardware, we bail
> out to TurboFan.
>
> Bug: v8:9909
> Change-Id: Ie46e154426783ba099b7c0facc906670cda1bdd0
> Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2029427
> Reviewed-by: Clemens Backes <clemensb@chromium.org>
> Commit-Queue: Zhi An Ng <zhin@chromium.org>
> Cr-Commit-Position: refs/heads/master@{#66055}

Bug: v8:9909
Bug: v8:10169
Change-Id: I850e1fe6bfbd12fb2eec052aa8367624c09f7a08
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2030354
Commit-Queue: Zhi An Ng <zhin@chromium.org>
Reviewed-by: Clemens Backes <clemensb@chromium.org>
Cr-Commit-Position: refs/heads/master@{#66090}
2020-02-03 19:43:09 +00:00
..
OWNERS [wasm] Update OWNERS 2020-01-08 14:56:06 +00:00
test-c-wasm-entry.cc [wasm-c-api] Faster C-to-Wasm entry 2019-06-27 13:39:48 +00:00
test-compilation-cache.cc Reland "Reland "[wasm] Cache streaming compilation result"" 2020-02-03 13:49:18 +00:00
test-grow-memory.cc Reland x6 [arraybuffer] Rearchitect backing store ownership 2019-09-09 13:07:42 +00:00
test-jump-table-assembler.cc [codegen] Reduce kMinimalBufferSize and add kDefaultBufferSize 2019-11-14 15:05:31 +00:00
test-liftoff-inspection.cc [wasm] Extend debug side table with type information 2020-01-09 17:52:16 +00:00
test-run-wasm-64.cc [wasm] Remove flag for saturating conversions flag 2019-12-09 11:24:27 +00:00
test-run-wasm-asmjs.cc [Liftoff] List unsupported opcodes explicitly 2019-05-29 09:47:28 +00:00
test-run-wasm-atomics64.cc [turbofan] Don't assume that Word32AtomicPairBinops has a projection-0 2020-01-23 09:27:38 +00:00
test-run-wasm-atomics.cc Make atomic operations effectful. 2019-07-31 16:12:04 +00:00
test-run-wasm-bulk-memory.cc [wasm][bulk-memory] Adjust bulk memory behavior to proposal phase 4 2019-12-03 12:21:48 +00:00
test-run-wasm-exceptions.cc [wasm] Clean up WASM_CALL_INDIRECT macros 2019-11-28 14:44:06 +00:00
test-run-wasm-interpreter.cc [wasm] Clean up WASM_CALL_INDIRECT macros 2019-11-28 14:44:06 +00:00
test-run-wasm-js.cc [wasm] Clean up WASM_CALL_INDIRECT macros 2019-11-28 14:44:06 +00:00
test-run-wasm-module.cc [wasm] Remove disassembly support 2020-01-17 10:05:28 +00:00
test-run-wasm-sign-extension.cc [wasm] Remove Sign Extension flag, and helper functions 2019-12-06 13:14:44 +00:00
test-run-wasm-simd-liftoff.cc Reland "[wasm-simd][liftoff] Check CpuFeatures for SIMD support" 2020-02-03 19:43:09 +00:00
test-run-wasm-simd.cc [wasm-simd] Optimize codegen when shift is constant 2020-01-31 21:39:25 +00:00
test-run-wasm.cc [wasm] Remove flag for saturating conversions flag 2019-12-09 11:24:27 +00:00
test-streaming-compilation.cc [wasm-debug] Let wasm scripts report correct column information. 2020-01-22 14:12:06 +00:00
test-wasm-breakpoints.cc Reland "[wasm] Prevent breakpoints on nonbreakable positions" 2019-11-21 12:33:43 +00:00
test-wasm-codegen.cc [wasm] Deprecate unused {DeserializeOrCompile} API 2020-01-22 08:46:23 +00:00
test-wasm-import-wrapper-cache.cc Reland "[wasm] Share native modules compiled from the same bytes" 2019-12-18 14:40:28 +00:00
test-wasm-interpreter-entry.cc [cleanup] Eliminate non-const reference parameters 2019-09-10 09:31:07 +00:00
test-wasm-serialization.cc [wasm] De-flake deserializer test 2020-01-23 11:03:18 +00:00
test-wasm-shared-engine.cc [wasm] Refactor WasmFeatures 2019-11-26 17:36:11 +00:00
test-wasm-stack.cc V8 Wasm locations should always be based on byte offsets 2019-11-05 14:53:45 +00:00
test-wasm-trap-position.cc V8 Wasm locations should always be based on byte offsets 2019-11-05 14:53:45 +00:00
wasm-atomics-utils.h [wasm][cleanup] Using 'using' instead of 'typedef' 2019-03-29 10:20:30 +00:00
wasm-run-utils.cc Reland "Reland "[wasm] Cache streaming compilation result"" 2020-02-03 13:49:18 +00:00
wasm-run-utils.h Reland "Reland "[wasm] Cache streaming compilation result"" 2020-02-03 13:49:18 +00:00