[webkit-changes] [WebKit/WebKit] d6403c: [JSC] Use dup-and-ins instead of ins-and-ins to co...

[Yusuke Suzuki]

  Branch: refs/heads/main
  Home:   https://github.com/WebKit/WebKit
  Commit: d6403c45b3745fedf7afcd4f6b1872ea5b3c173f
      https://github.com/WebKit/WebKit/commit/d6403c45b3745fedf7afcd4f6b1872ea5b3c173f
  Author: Yusuke Suzuki <ysuzuki at apple.com>
  Date:   2023-06-26 (Mon, 26 Jun 2023)

  Changed paths:
    M Source/JavaScriptCore/assembler/MacroAssemblerARM64.h
    M Source/JavaScriptCore/assembler/MacroAssemblerX86_64.h
    M Source/JavaScriptCore/b3/air/AirLowerMacros.cpp
    M Source/JavaScriptCore/wasm/WasmBBQJIT.cpp

  Log Message:
  -----------
  [JSC] Use dup-and-ins instead of ins-and-ins to construct SIMD vector
https://bugs.webkit.org/show_bug.cgi?id=258498
rdar://111283281

Reviewed by Michael Saboff.

Use DUP-and-INS instead of INS-and-INS to remove partial dependency to the old vector value.

* Source/JavaScriptCore/assembler/MacroAssemblerARM64.h:
(JSC::MacroAssemblerARM64::materializeVector):
* Source/JavaScriptCore/b3/air/AirLowerMacros.cpp:
(JSC::B3::Air::lowerMacros):
* Source/JavaScriptCore/wasm/WasmBBQJIT.cpp:
(JSC::Wasm::BBQJIT::addSIMDShift):
(JSC::Wasm::BBQJIT::emitVectorMul):

Canonical link: https://commits.webkit.org/265520@main