[Webkit-unassigned] [Bug 204126] New: Support or16(TrustedImm32, AbsoluteAddress) in the MIPS MacroAssembler

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=204126

            Bug ID: 204126
           Summary: Support or16(TrustedImm32, AbsoluteAddress) in the
                    MIPS MacroAssembler
           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: rmorisset at apple.com
                CC: ticaiolima at gmail.com

My patch at https://bugs.webkit.org/show_bug.cgi?id=202832 was rolled out, because it was using or32 on a now-16bits field.
I am currently fixing it, which includes implementing or16 in the 32 and 64-bits x86 and ARM MacroAssembler backends.
I cannot fix the MIPS backend as I have no way to test it and don't even know which processors it is supposed to work on; so once I am done and lands the patch again it will probably break the MIPS port.
The solution is simply to implement or16(TrustedImm32, AbsoluteAddress) in MacroAssemblerMIPS.h. There is already a 32-bit version, so it should not be too difficult.

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