[Webkit-unassigned] [Bug 149106] New: LLInt get/put inline caches shouldn't use tons of opcodes
bugzilla-daemon at webkit.org
bugzilla-daemon at webkit.org
Sun Sep 13 12:34:08 PDT 2015
https://bugs.webkit.org/show_bug.cgi?id=149106
Bug ID: 149106
Summary: LLInt get/put inline caches shouldn't use tons of
opcodes
Classification: Unclassified
Product: WebKit
Version: Other
Hardware: All
OS: All
Status: NEW
Severity: Normal
Priority: P2
Component: JavaScriptCore
Assignee: webkit-unassigned at lists.webkit.org
Reporter: fpizlo at apple.com
The performance of LLInt get/put inline caches probably has little to do with whether the direct/indirect, inline/out-of-line, transition/replace distinctions are made using different opcodes or branches within a single opcode's implementation. So, we should simplify the code to use a single get_by_id opcode and a single put_by_id opcode.
Also, the inline caches should use StructureID's as much as possible. Currently they use Structure*'s waaaay too much.
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