[Bug dynamic-link/21265] New: _dl_runtime_resolve isn't compatible with Intel C++ __regcall calling convention

["hjl.tools at gmail dot com" <sourceware-bugzilla at sourceware dot org>]

https://sourceware.org/bugzilla/show_bug.cgi?id=21265

            Bug ID: 21265
           Summary: _dl_runtime_resolve isn't compatible with Intel C++
                    __regcall calling convention
           Product: glibc
           Version: 2.26
            Status: NEW
          Severity: normal
          Priority: P2
         Component: dynamic-link
          Assignee: unassigned at sourceware dot org
          Reporter: hjl.tools at gmail dot com
  Target Milestone: ---
            Target: x86-64

Intel C++ __regcall calling convention for x86-64:

https://software.intel.com/en-us/node/522787

passes function parameters in %xmm0-%xmm15.  Since _dl_runtime_resolve only
preserves %xmm0-%xmm7, %xmm8-%xmm15 may be clobbered with lazy binding.

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