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Reland "[wasm] Enable wasm threads by default in V8"

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This is a reland of 6ec52d9026. The failing
tests have been adapted at the blink side.

Original change's description:
> [wasm] Enable wasm threads by default in V8
>
> Finer grained control of platforms that support threads are
> enforced by chromium.
>
> Bug: chromium:1167733
> Change-Id: Ic34a4950aebf6ba394053b79df97b703af333636
> Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2810190
> Reviewed-by: Lutz Vahl <vahl@chromium.org>
> Reviewed-by: Clemens Backes <clemensb@chromium.org>
> Commit-Queue: Deepti Gandluri <gdeepti@chromium.org>
> Cr-Commit-Position: refs/heads/master@{#73919}

Bug: chromium:1167733
Cq-Include-Trybots: luci.v8.try:v8_linux_blink_rel
Change-Id: I56a00a24f17fef8a8050ee6f4b28fc13c7d3fb30
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2826540
Reviewed-by: Lutz Vahl <vahl@chromium.org>
Reviewed-by: Deepti Gandluri <gdeepti@chromium.org>
Commit-Queue: Clemens Backes <clemensb@chromium.org>
Cr-Commit-Position: refs/heads/master@{#73981}
This commit is contained in:
Deepti Gandluri 2021-04-07 11:47:33 -07:00 committed by Commit Bot
parent bbc72ef6c7
commit be9ff65a06
1 changed files with 13 additions and 10 deletions
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23
src/wasm/wasm-feature-flags.h
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@ -66,14 +66,6 @@
/* Staged in v8.7 * */ \
V(return_call, "return call opcodes", false) \
\
/* Threads proposal. */ \
/* https://github.com/webassembly/threads */ \
/* NOTE: This is enabled via chromium flag on desktop systems since v7.4 */ \
/* (see https://crrev.com/c/1487808). ITS: https://groups.google.com/a/ */ \
/* chromium.org/d/msg/blink-dev/tD6np-OG2PU/rcNGROOMFQAJ */ \
/* V8 side owner: gdeepti */ \
V(threads, "thread opcodes", false) \
\
/* Type reflection proposal. */ \
/* https://github.com/webassembly/js-types */ \
/* V8 side owner: ahaas */ \
@ -89,8 +81,19 @@
/* V8 side owner: gdeepti, zhin */ \
/* Staged in v8.7 * */ \
/* Shipped in v9.1 * */ \
V(simd, "SIMD opcodes", true)
V(simd, "SIMD opcodes", true) \
\
/* Threads proposal. */ \
/* https://github.com/webassembly/threads */ \
/* NOTE: This is enabled via chromium flag on desktop systems since v7.4, */ \
/* and on android from 9.1. Threads are only available when */ \
/* SharedArrayBuffers are enabled as well, and are gated by COOP/COEP */ \
/* headers, more fine grained control is in the chromium codebase */ \
/* ITS: https://groups.google.com/a/chromium.org/d/msg/blink-dev/ */ \
/* tD6np-OG2PU/rcNGROOMFQAJ */ \
/* V8 side owner: gdeepti */ \
V(threads, "thread opcodes", true) \
\
// Combination of all available wasm feature flags.
#define FOREACH_WASM_FEATURE_FLAG(V) \
FOREACH_WASM_EXPERIMENTAL_FEATURE_FLAG(V) \