Bug 199961 - [JSC] wide16 / wide32 opcode itself can be one byte
Summary: [JSC] wide16 / wide32 opcode itself can be one byte
Status: NEW
Alias: None
Product: WebKit
Classification: Unclassified
Component: JavaScriptCore (show other bugs)
Version: WebKit Nightly Build
Hardware: Unspecified Unspecified
: P2 Normal
Assignee: Yusuke Suzuki
URL:
Keywords:
Depends on:
Blocks:
 
Reported: 2019-07-19 14:42 PDT by Yusuke Suzuki
Modified: 2019-07-19 14:42 PDT (History)
0 users

See Also:

Attachments
Add an attachment (proposed patch, testcase, etc.)

Note You need to log in before you can comment on or make changes to this bug.
Description Yusuke Suzuki 2019-07-19 14:42:12 PDT 
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.