[Webkit-unassigned] [Bug 199961] New: [JSC] wide16 / wide32 opcode itself can be one byte

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=199961

            Bug ID: 199961
           Summary: [JSC] wide16 / wide32 opcode itself can be one byte
           Product: WebKit
           Version: WebKit Nightly Build
          Hardware: Unspecified
                OS: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: JavaScriptCore
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: ysuzuki at apple.com

Even if the it is wide bytecode format, opcode itself can be one byte. The format is like,

[ op_wide16 (1byte) ][ op_add (1 byte) ][ operand (4 byte) ]...

Of course, we need to care the alignment when emitting.

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