Manos Koukoutos 0a69768a4e [wasm-gc] Implement ref.as_non_null, optimize struct instructions. ... Implement the instruction ref.as_non_null, as per the wasm gc extension. Changes: - Add the respective wasm opcode, move some asmjs opcodes around. - Add a new type of wasm trap, IllegalCast. - Modify wasm decoding and compilation pipeline. - Add a minimal test. - In wasm-compiler, generalize Unreachable to Trap. - Optimize struct.get and struct.set for non-null types. Bug: v8:7748 Change-Id: If2f794306c7cbfabc06e4f64988132346085d6dd Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2187616 Commit-Queue: Manos Koukoutos <manoskouk@chromium.org> Reviewed-by: Clemens Backes <clemensb@chromium.org> Reviewed-by: Jakob Kummerow <jkummerow@chromium.org> Cr-Commit-Position: refs/heads/master@{#67705}		2020-05-11 11:09:47 +00:00
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benchmarks	[snapshot] Clear reconstructable data prior to d8 stress_snapshot run	2020-05-06 07:11:22 +00:00
cctest	[wasm-gc] Implement ref.as_non_null, optimize struct instructions.	2020-05-11 11:09:47 +00:00
common	[wasm-gc] Implement ref.as_non_null, optimize struct instructions.	2020-05-11 11:09:47 +00:00
debugger	[snapshot] Clear reconstructable data prior to d8 stress_snapshot run	2020-05-06 07:11:22 +00:00
debugging	[snapshot] Clear reconstructable data prior to d8 stress_snapshot run	2020-05-06 07:11:22 +00:00
fuzzer	[wasm-simd][fuzzer] Add some conversion ops and swizzle	2020-05-08 21:50:40 +00:00
inspector	[wasm][debug] Clear breakpoints when debugger is disabled	2020-05-07 08:27:19 +00:00
intl	[snapshot] Clear reconstructable data prior to d8 stress_snapshot run	2020-05-06 07:11:22 +00:00
js-perf-test	[js-perf-test] Benchmark for sloppy equality	2020-05-04 08:29:00 +00:00
memory
message	[snapshot] Clear reconstructable data prior to d8 stress_snapshot run	2020-05-06 07:11:22 +00:00
mjsunit	[wasm][liftoff][arm] Fix register allocation in I64AtomicCompareExchange	2020-05-11 10:16:46 +00:00
mkgrokdump
mozilla	[snapshot] Clear reconstructable data prior to d8 stress_snapshot run	2020-05-06 07:11:22 +00:00
test262	Roll test262	2020-05-08 16:03:30 +00:00
torque	Suppress GetMethod errors in IteratorClose	2020-05-07 20:12:56 +00:00
unittests	cppgc: Fix PrepareForSweepVisitor	2020-05-08 16:57:40 +00:00
wasm-api-tests	[snapshot] Clear reconstructable data prior to d8 stress_snapshot run	2020-05-06 07:11:22 +00:00
wasm-js	[snapshot] Clear reconstructable data prior to d8 stress_snapshot run	2020-05-06 07:11:22 +00:00
wasm-spec-tests	[snapshot] Clear reconstructable data prior to d8 stress_snapshot run	2020-05-06 07:11:22 +00:00
webkit	[snapshot] Clear reconstructable data prior to d8 stress_snapshot run	2020-05-06 07:11:22 +00:00
BUILD.gn
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