Branch: refs/heads/main
Home: https://github.com/WebKit/WebKit
Commit: bf5f5256264db6040081efc9ba62746c820fef2c
https://github.com/WebKit/WebKit/commit/bf5f5256264db6040081efc9ba62746c820fef2c
Author: Yusuke Suzuki <[email protected]>
Date: 2022-12-02 (Fri, 02 Dec 2022)
Changed paths:
M Source/JavaScriptCore/assembler/ARM64Assembler.h
M Source/JavaScriptCore/assembler/MacroAssemblerARM64.h
Log Message:
-----------
[JSC] Use sqrdmulh for vectorMulSat
https://bugs.webkit.org/show_bug.cgi?id=248691
rdar://102920795
Reviewed by Justin Michaud.
sqrdmulh does not accumulate the result to the result register, just
overwriting to it.
So, we can remove xor clearing in vectorMulSat.
* Source/JavaScriptCore/assembler/ARM64Assembler.h:
* Source/JavaScriptCore/assembler/MacroAssemblerARM64.h:
(JSC::MacroAssemblerARM64::vectorMulSat):
Canonical link: https://commits.webkit.org/257312@main
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