[Webkit-unassigned] [Bug 238928] [JSC] Reduce Baseline JIT code size in debug builds

bugzilla-daemon at webkit.org bugzilla-daemon at webkit.org
Sun Apr 10 01:45:41 PDT 2022


https://bugs.webkit.org/show_bug.cgi?id=238928

Yusuke Suzuki <ysuzuki at apple.com> changed:

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

--- Comment #3 from Yusuke Suzuki <ysuzuki at apple.com> ---
Comment on attachment 456940
  --> https://bugs.webkit.org/attachment.cgi?id=456940
Patch

View in context: https://bugs.webkit.org/attachment.cgi?id=456940&action=review

> Source/JavaScriptCore/jit/JIT.cpp:682
> +#if CPU(X86_64)
> +    jit.subPtr(TrustedImm32(sizeof(void*)), expectedStackPointerGPR); // Call instruction pushed to stack
> +#endif

You can use prologueStackPointerDelta() and sizeof(CallerFrameAndPC) to compute it for all architectures.

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