Chromium

[base64] Add FromBase64 
 
This CL adds `Uint8Array.fromBase64()`. 
 
Bug: 42204568 
Change-Id: Ib68683a2d5ead9720077197c0f895787214b183e 
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/6026354 
Commit-Queue: Rezvan Mahdavi Hezaveh <rezvan@chromium.org> 
Reviewed-by: Shu-yu Guo <syg@chromium.org> 
Cr-Commit-Position: refs/heads/main@{#98239}

Files:

• M BUILD.bazel
• M BUILD.gn
• M DEPS
• M src/builtins/builtins-definitions.h
• M src/builtins/builtins-typed-array.cc
• M src/common/message-template.h
• M src/flags/flag-definitions.h
• M src/init/bootstrapper.cc
• M src/init/heap-symbols.h
• M src/roots/static-roots.h
• A test/test262/local-tests/test/staging/Uint8Array/fromBase64/invalid-options.js
• M test/test262/test262.status
• M test/test262/testcfg.py
• M test/unittests/interpreter/bytecode_expectations/PrivateAccessorAccess.golden
• M test/unittests/interpreter/bytecode_expectations/PrivateMethodAccess.golden
• M test/unittests/interpreter/bytecode_expectations/StaticPrivateMethodAccess.golden
• M tools/gcmole/BUILD.gn

Hash: e8293d2b878ecf639f2c55219068a8b780e01030
Date:  Thu Jan 16 21:49:10 2025

[base64] Add toBase64 builtin 
 
This CL adds Uint8array.prototype.toBase64 builtin. 
 
Bug: 42204568 
Change-Id: Ia388a09791830579a500074dc23381d29cdb33e1 
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/6196634 
Reviewed-by: Shu-yu Guo <syg@chromium.org> 
Commit-Queue: Rezvan Mahdavi Hezaveh <rezvan@chromium.org> 
Cr-Commit-Position: refs/heads/main@{#98421}

Files:

• M src/builtins/builtins-definitions.h
• M src/builtins/builtins-typed-array.cc
• M src/init/bootstrapper.cc
• M test/test262/test262.status

Hash: 58cb97a0b35d0a8da3ec19e0816e39c984788dbb
Date:  Thu Jan 30 18:00:45 2025

[base64] Add toHex builtin 
 
This CL adds the fallback (slow path) for Uint8array.prototype.toHex 
builtin. 
 
Bug: 42204568 
Change-Id: I315056816e6668a1c67c9c18f9d5733bbf6e3c44 
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/6217004 
Commit-Queue: Rezvan Mahdavi Hezaveh <rezvan@chromium.org> 
Reviewed-by: Shu-yu Guo <syg@chromium.org> 
Cr-Commit-Position: refs/heads/main@{#98569}

Files:

• M src/builtins/builtins-definitions.h
• M src/builtins/builtins-typed-array.cc
• M src/init/bootstrapper.cc
• M test/test262/test262.status

Hash: 0f4c6e2502dca0aa427062e40995574ac65a338e
Date:  Thu Feb 06 21:35:54 2025

[base64] Add a fast path to toHex builtin 
 
This CL adds SSE fast path (SIMD) to the Uint8array.prototype.toHex 
builtin. 
 
Bug: 42204568 
Change-Id: Ic7ff30862c9e5f3c358d0784c54878cdc8142a4e 
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/6240440 
Reviewed-by: Ilya Rezvov <irezvov@chromium.org> 
Commit-Queue: Rezvan Mahdavi Hezaveh <rezvan@chromium.org> 
Reviewed-by: Shu-yu Guo <syg@chromium.org> 
Cr-Commit-Position: refs/heads/main@{#98692}

Files:

• M src/builtins/builtins-typed-array.cc
• M src/objects/simd.cc
• M src/objects/simd.h
• A test/mjsunit/harmony/base64-prototype-to-hex-long-inputs.js

Hash: c963fb98a204005df30553bec7bbbe1997e0ab5f
Date:  Thu Feb 13 18:35:21 2025

[base64] Add another fast path to toHex builtin 
 
This CL adds NEON fast path (SIMD) to the Uint8array.prototype.toHex 
builtin. 
 
Bug: 42204568 
Change-Id: I34bed048ec9b4293446d14fdf7198d8d64429879 
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/6265328 
Reviewed-by: Ilya Rezvov <irezvov@chromium.org> 
Commit-Queue: Rezvan Mahdavi Hezaveh <rezvan@chromium.org> 
Cr-Commit-Position: refs/heads/main@{#98710}

Files:

• M src/objects/simd.cc

Hash: 02a1fdc6fa81e9cf1da3faf51bc9bcd8e021f33d
Date:  Fri Feb 14 18:05:15 2025

[base64] Speed up toHex builtin fast path epilogue 
 
This CL speeds up handling a leftovers of SIMD loop in a fast 
past of toHex builtin. 
The rest is always less than 8 elements, so it could be inlined as 
a switch statement by optimizer. 
 
Bug: 42204568 
Change-Id: I470e6be7308f6c19ed0a26a2dd1b4b189639ab31 
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/6272304 
Commit-Queue: Ilya Rezvov <irezvov@chromium.org> 
Reviewed-by: Rezvan Mahdavi Hezaveh <rezvan@chromium.org> 
Cr-Commit-Position: refs/heads/main@{#98771}

Files:

• M src/objects/simd.cc

Hash: 21029bb876ec54487c211d666c81a7726ee751b9
Date:  Sat Feb 15 20:39:09 2025

[base64] Add fromHex builtin 
 
This CL adds the fallback (slow path) for fromHex builtin. 
 
Bug: 42204568 
Change-Id: I3c770dc2d57f8fc3c46dc55e584622845e73af11 
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/6254805 
Reviewed-by: Shu-yu Guo <syg@chromium.org> 
Commit-Queue: Rezvan Mahdavi Hezaveh <rezvan@chromium.org> 
Cr-Commit-Position: refs/heads/main@{#99058}

Files:

• M src/builtins/builtins-definitions.h
• M src/builtins/builtins-typed-array.cc
• M src/common/message-template.h
• M src/init/bootstrapper.cc
• A test/mjsunit/harmony/base64-from-hex-with-two-byte-strings.js
• M test/test262/test262.status
• M test/unittests/interpreter/bytecode_expectations/PrivateAccessorAccess.golden
• M test/unittests/interpreter/bytecode_expectations/PrivateMethodAccess.golden
• M test/unittests/interpreter/bytecode_expectations/StaticPrivateMethodAccess.golden

Hash: f9fd8c24d88394cd47c8e0d6b32cbf0dc88b4b7d
Date:  Tue Mar 04 23:50:30 2025

     
    This CL adds SSE fast path (SIMD) to Uint8ArrayfromHex builtin. 
     
    Bug: 42204568 
    Change-Id: I723d73a17ba5db98c914ed6e8b1db0be9492bd32 
    Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/6330594 
    Reviewed-by: Ilya Rezvov <irezvov@chromium.org> 
    Reviewed-by: Shu-yu Guo <syg@chromium.org> 
    Commit-Queue: Rezvan Mahdavi Hezaveh <rezvan@chromium.org> 
    Cr-Commit-Position: refs/heads/main@{#99489}

Files:

• M src/builtins/builtins-typed-array.cc
• M src/objects/simd.cc
• M src/objects/simd.h
• A test/mjsunit/harmony/base64-from-hex-long-inputs.js

Hash: 60cc30e2bd38fbb5ee953b9479af79af05884707
Date:  Wed Mar 26 20:33:05 2025

     
    This Cl adds NEON64 fast path to fromHex API. 
     
    Bug: 42204568 
    Change-Id: I9473b5267cf80548b20c4be2d8503e3c9f6eb53e 
    Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/6397652 
    Reviewed-by: Ilya Rezvov <irezvov@chromium.org> 
    Commit-Queue: Rezvan Mahdavi Hezaveh <rezvan@chromium.org> 
    Cr-Commit-Position: refs/heads/main@{#99594}

Files:

• M src/objects/simd.cc
• M src/objects/simd.h
• M test/mjsunit/harmony/base64-from-hex-long-inputs.js

Hash: 760fdf9bcdaaa4d806c761c479780ef229fc636a
Date:  Fri Mar 28 23:25:03 2025