[Webkit-unassigned] [Bug 138708] New: Change X86/64 JIT probes to save/restore xmm regs as double instead of __m128

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=138708

            Bug ID: 138708
           Summary: Change X86/64 JIT probes to save/restore xmm regs as
                    double instead of __m128
    Classification: Unclassified
           Product: WebKit
           Version: 528+ (Nightly build)
          Hardware: Unspecified
                OS: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: JavaScriptCore
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: mark.lam at apple.com

The JIT code only uses the xmm regs as double registers.  This patch changes the storage types of the FP registers in X86Assembler.h to double instead of __m128, and updates the X86 and X86_64 JIT probe implementations accordingly.

Also made some minor cosmetic changes in the output of the probe dump functions.

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