Branch: refs/heads/main
  Home:   https://github.com/WebKit/WebKit
  Commit: f35184a412c9dbcef17ded41345d3cf9b097e7b5
      
https://github.com/WebKit/WebKit/commit/f35184a412c9dbcef17ded41345d3cf9b097e7b5
  Author: Yusuke Suzuki <[email protected]>
  Date:   2024-11-05 (Tue, 05 Nov 2024)

  Changed paths:
    A JSTests/wasm/stress/omg-tail-call-clobber-pinned-registers.js
    M Source/JavaScriptCore/wasm/WasmFunctionParser.h
    M Source/JavaScriptCore/wasm/WasmOMGIRGenerator.cpp
    M Source/JavaScriptCore/wasm/WasmOMGIRGenerator32_64.cpp
    M Source/JavaScriptCore/wasm/WasmOMGPlan.cpp
    M Source/JavaScriptCore/wasm/WasmOSREntryPlan.cpp

  Log Message:
  -----------
  [JSC] Wasm TailCall should say "pinned registers can be clobbered" in OMG
https://bugs.webkit.org/show_bug.cgi?id=282635
rdar://138178964

Reviewed by Keith Miller and David Degazio.

We need to say that pinned registers are clobbered for transitive tail-calls
in OMG to correctly restore wasm instance.

* JSTests/wasm/stress/omg-tail-call-clobber-pinned-registers.js: Added.
* Source/JavaScriptCore/wasm/WasmFunctionParser.h:
* Source/JavaScriptCore/wasm/WasmOMGIRGenerator.cpp:
(JSC::Wasm::OMGIRGenerator::addCall):
(JSC::Wasm::OMGIRGenerator::addCallRef):
* Source/JavaScriptCore/wasm/WasmOMGIRGenerator32_64.cpp:
(JSC::Wasm::OMGIRGenerator::addCall):
* Source/JavaScriptCore/wasm/WasmOMGPlan.cpp:
(JSC::Wasm::OMGPlan::dumpDisassembly):
* Source/JavaScriptCore/wasm/WasmOSREntryPlan.cpp:
(JSC::Wasm::OSREntryPlan::dumpDisassembly):

Canonical link: https://commits.webkit.org/286193@main



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