Branch: refs/heads/main
Home: https://github.com/WebKit/WebKit
Commit: 93ba069cf1bab91677362638030f126820ef373a
https://github.com/WebKit/WebKit/commit/93ba069cf1bab91677362638030f126820ef373a
Author: Mikhail R. Gadelha <[email protected]>
Date: 2025-11-14 (Fri, 14 Nov 2025)
Changed paths:
M Source/JavaScriptCore/assembler/MacroAssemblerARMv7.h
Log Message:
-----------
[JSC][ARMv7] Don't issue a ldrd when the register holding the address is also
a destination
https://bugs.webkit.org/show_bug.cgi?id=302469
Reviewed by Justin Michaud.
This patch expands a ldrd into a pair of ldr if any of the destination
registers is also the register holding the memory address.
Before:
0xf1502462: ldrd r0, r1, [r0]
After:
0xf1502462: ldr r1, [r0, #4]
0xf1502464: ldr r0, [r0]
* Source/JavaScriptCore/assembler/MacroAssemblerARMv7.h:
(JSC::MacroAssemblerARMv7::loadPair32):
Canonical link: https://commits.webkit.org/303043@main
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