[webkit-changes] [WebKit/WebKit] 74c993: [JSC] Remove scratch register use in stackoverflow...

[Yusuke Suzuki]

  Branch: refs/heads/main
  Home:   https://github.com/WebKit/WebKit
  Commit: 74c993d56b0139a0dbce8c9500fef1a2a8bc7b11
      https://github.com/WebKit/WebKit/commit/74c993d56b0139a0dbce8c9500fef1a2a8bc7b11
  Author: Yusuke Suzuki <ysuzuki at apple.com>
  Date:   2023-05-22 (Mon, 22 May 2023)

  Changed paths:
    M Source/JavaScriptCore/jit/AssemblyHelpers.cpp
    M Source/JavaScriptCore/jit/AssemblyHelpers.h
    M Source/JavaScriptCore/wasm/WasmB3IRGenerator.cpp

  Log Message:
  -----------
  [JSC] Remove scratch register use in stackoverflow check in Wasm OMG
https://bugs.webkit.org/show_bug.cgi?id=257099
rdar://109617032

Reviewed by Michael Saboff.

We can change the logic carefully and we can remove scratch register use in stackoverflow check in Wasm OMG.

* Source/JavaScriptCore/wasm/WasmB3IRGenerator.cpp:
(JSC::Wasm::B3IRGenerator::B3IRGenerator):

Canonical link: https://commits.webkit.org/264338@main