AuroraMiddleware/v8
1
0
Fork 0
Code Issues 2 Pull Requests Releases Wiki Activity
70,093 Commits 1 Branch 0 Tags 839 MiB
1fa8b3e80f
Commit Graph

5 Commits

Author SHA1 Message Date
Thibaud Michaud
6f48b7b369 Reland "[wasm][liftoff][ia32][x64] Detect SIMD NaNs for fuzzing" 
This is a reland of b0bcedccfd
Changes:
- Consistently use int32_t for max_steps and nondeterminism
- Skip SIMD tests on architectures that don't support it

Original change's description:
> [wasm][liftoff][ia32][x64] Detect SIMD NaNs for fuzzing
>
> R=clemensb@chromium.org
>
> Bug: v8:11856
> Change-Id: I9764e3e2944690ed0883afdab20afd47fdd4acfa
> Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2979605
> Reviewed-by: Clemens Backes <clemensb@chromium.org>
> Commit-Queue: Thibaud Michaud <thibaudm@chromium.org>
> Cr-Commit-Position: refs/heads/master@{#75512}

Bug: v8:11856
Change-Id: I0a7858d1c21c0dfb961b9b2c3fa1074f9362886a
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3001178
Reviewed-by: Clemens Backes <clemensb@chromium.org>
Commit-Queue: Thibaud Michaud <thibaudm@chromium.org>
Cr-Commit-Position: refs/heads/master@{#75557}
 2021-07-05 13:21:13 +00:00
Zhi An Ng
384c634f51 Revert "[wasm][liftoff][ia32][x64] Detect SIMD NaNs for fuzzing" 
This reverts commit b0bcedccfd.

Reason for revert: fails nosse3 checks

Original change's description:
> [wasm][liftoff][ia32][x64] Detect SIMD NaNs for fuzzing
>
> R=​clemensb@chromium.org
>
> Bug: v8:11856
> Change-Id: I9764e3e2944690ed0883afdab20afd47fdd4acfa
> Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2979605
> Reviewed-by: Clemens Backes <clemensb@chromium.org>
> Commit-Queue: Thibaud Michaud <thibaudm@chromium.org>
> Cr-Commit-Position: refs/heads/master@{#75512}

Bug: v8:11856
Change-Id: I19a159281f8e6ffc3dd77f35dbdf852bd032c2bc
No-Presubmit: true
No-Tree-Checks: true
No-Try: true
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3000723
Auto-Submit: Zhi An Ng <zhin@chromium.org>
Commit-Queue: Rubber Stamper <rubber-stamper@appspot.gserviceaccount.com>
Bot-Commit: Rubber Stamper <rubber-stamper@appspot.gserviceaccount.com>
Cr-Commit-Position: refs/heads/master@{#75515}
 2021-07-01 16:33:18 +00:00
Thibaud Michaud
b0bcedccfd [wasm][liftoff][ia32][x64] Detect SIMD NaNs for fuzzing 
R=clemensb@chromium.org

Bug: v8:11856
Change-Id: I9764e3e2944690ed0883afdab20afd47fdd4acfa
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2979605
Reviewed-by: Clemens Backes <clemensb@chromium.org>
Commit-Queue: Thibaud Michaud <thibaudm@chromium.org>
Cr-Commit-Position: refs/heads/master@{#75512}
 2021-07-01 14:34:01 +00:00
Thibaud Michaud
e699762e06 [wasm][liftoff][ia32][x64] Detect NaNs for fuzzing 
Instrument floating-point operations to set a flag if the result is NaN.
Does not handle f32x4 and f64x2 results yet.

R=clemensb@chromium.org

Bug: v8:11856
Change-Id: I1c3603e2c0c92e71bea8418e85852c01904379af
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2979600
Commit-Queue: Thibaud Michaud <thibaudm@chromium.org>
Reviewed-by: Clemens Backes <clemensb@chromium.org>
Cr-Commit-Position: refs/heads/master@{#75335}
 2021-06-23 15:17:48 +00:00
Thibaud Michaud
c134f0af98 [wasm][liftoff] Add step counter in Liftoff 
Add a new testing tier based on Liftoff. In this tier, the Liftoff
compiler takes an address to a counter, and decrements that counter at
every instruction. When the counter reaches 0, execution aborts.

R=clemensb@chromium.org

Bug: v8:11856
Change-Id: I20970e323ff19f7cb6ab6855377c678ca391421e
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2944440
Reviewed-by: Clemens Backes <clemensb@chromium.org>
Commit-Queue: Thibaud Michaud <thibaudm@chromium.org>
Cr-Commit-Position: refs/heads/master@{#75022}
 2021-06-08 15:02:36 +00:00