[Bug target/81616] Update -mtune=generic for the current Intel and AMD processors

[andrewm.roberts at sky dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81616

--- Comment #19 from Andrew Roberts <andrewm.roberts at sky dot com> ---
Created attachment 42735
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=42735&action=edit
modified mt19937ar test program, test script and results

modified mt19937ar test program, test script and results

tar -tf mt19937ar-test.tar.gz
./doit.csh               <= Test script, change path to gcc!
./mt19937ar.c            <= main function altered to give test results
./mt19937ar-haswell.txt  <= full results on Intel Core i5-4570S
./mt19937ar-ryzen.txt    <= full results on AMD Ryzen 7 1700 Eight-Core
Processor