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|#46||fixed||refactoring of platform specific string handling code|
String handling code must be refactored to allow selection of most optimal implementation for current platform. This allows to speedup several operations by use POPCNT command for x86/x86_64 CPUs and by use of SSE on x86 CPUs.
|#47||fixed||use SSE2 instructions set on x86|
It can give significant seedup for strings operations.
|#48||fixed||check for SIMD support in compiler for x86|
Now configure check for such support in compiler for x86_64 only. Because x86 also uses SSE2 instructions now (see #47) this is important check.