[Webkit-unassigned] [Bug 230622] Allow DFG to use regCS0 GPR (LLInt metadataTable) on ARMv7

bugzilla-daemon at webkit.org bugzilla-daemon at webkit.org
Wed Sep 22 14:35:58 PDT 2021


Yusuke Suzuki <ysuzuki at apple.com> changed:

           What    |Removed                     |Added
                 CC|                            |ysuzuki at apple.com

--- Comment #2 from Yusuke Suzuki <ysuzuki at apple.com> ---
Comment on attachment 438945
  --> https://bugs.webkit.org/attachment.cgi?id=438945

View in context: https://bugs.webkit.org/attachment.cgi?id=438945&action=review

> Source/JavaScriptCore/llint/LowLevelInterpreter32_64.asm:83
> +    loadp CodeBlock::m_metadata[PB], metadataTable

This looks incorrect to me since it is callee-save. If DFG uses it, then DFG should restore it, not LLInt.

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