[webkit-changes] [WebKit/WebKit] e2456d: [JSC] Fix X64 WasmBBQJIT stackoverflow check

[Yusuke Suzuki]

  Branch: refs/heads/main
  Home:   https://github.com/WebKit/WebKit
  Commit: e2456d79966cc867e5dd87fdbc96c6153870ab4d
      https://github.com/WebKit/WebKit/commit/e2456d79966cc867e5dd87fdbc96c6153870ab4d
  Author: Yusuke Suzuki <ysuzuki at apple.com>
  Date:   2023-03-01 (Wed, 01 Mar 2023)

  Changed paths:
    M Source/JavaScriptCore/assembler/MacroAssemblerX86_64.h

  Log Message:
  -----------
  [JSC] Fix X64 WasmBBQJIT stackoverflow check
https://bugs.webkit.org/show_bug.cgi?id=253222
rdar://106124266

Reviewed by Mark Lam.

This patch makes 3-registers sub64 work on x64 so that it fixes BBQJIT's stackoverflow check.

* Source/JavaScriptCore/assembler/MacroAssemblerX86_64.h:
(JSC::MacroAssemblerX86_64::sub64):

Canonical link: https://commits.webkit.org/261038@main