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[Bug math/19832] New: Implement sincos svml wrappers with a single function call to sincos


https://sourceware.org/bugzilla/show_bug.cgi?id=19832

            Bug ID: 19832
           Summary: Implement sincos svml wrappers with a single function
                    call to sincos
           Product: glibc
           Version: 2.24
            Status: NEW
          Severity: normal
          Priority: P2
         Component: math
          Assignee: unassigned at sourceware dot org
          Reporter: hjl.tools at gmail dot com
                CC: andrew.n.senkevich at gmail dot com
  Target Milestone: ---
            Target: x86-64

sysdeps/x86_64/fpu/multiarch/svml_d_sincos2_core_sse4.S

and other sincos files are implemented with 2 separate function
calls to sin and cos. They should be replaced with a single function
call to sincos.

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