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Commit cfa13a82 authored by Noah Goldstein's avatar Noah Goldstein Committed by Sunil K Pandey
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x86: Add sse42 implementation to strcmp's ifunc

This has been missing since the the ifuncs where added.

The performance of SSE4.2 is preferable to to SSE2.

Measured on Tigerlake with N = 20 runs.
Geometric Mean of all benchmarks SSE4.2 / SSE2: 0.906

(cherry picked from commit ff439c47)
parent 20bfbb3a
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