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Author SHA1 Message Date
Martin Whitaker 3d4f1eb94b Improved run_program() in Perl regression test scripts. 
This version works with the native Windows (mingw64 and clang64)
versions of Perl in MSYS2.

Note that warnings are disabled in the Environment.pm module because
Perl fails to notice that OLDOUT and OLDERR are used when restoring
the STDOUT and STDERR file handles.
 2025-10-21 21:47:45 +01:00
Martin Whitaker 10770c9129 Optimise Perl regression test scripts. 
When redirection operators are included in a command string passed to
the system() subroutine, it spawns an intermediate shell to handle the
redirection. This is particularly inefficient when running the tests
in MSYS2. Creating our own version of system() based on fork() and
exec() allows us to handle the redirection directly.
 2025-10-17 20:58:05 +01:00
Stephen Williams cea237b407 Add ivtest to the iverilog source tree 
By adding ivtest to the iverilog source tree, it is easier to keep
the regression test synchronized with the source that is being tested.
This should be especially helpful for PRs that add a new feature, and
have a matching ivtest PR with the regression test for that feature.
 2022-01-15 10:18:50 -08:00