Remove tlsEmulation enabled from Windows + GCC config (#19119) [backp…

…ort:1.6] This flag has a very significant performance impact on programs compiled with --threads:on. It is also apparently not needed anymore for standard circumstances. Can we remove the config? See #18146 (comment) for discussion and perf impact. [backport:1.6] (cherry picked from commit 77b696c)
nim-lang · Nov 11, 2021 · 1090b0c · 1090b0c
1 parent 3f6de92
commit 1090b0c
Showing 1 changed file with 0 additions and 3 deletions.
diff --git a/config/nim.cfg b/config/nim.cfg
@@ -154,9 +154,6 @@ nimblepath="$home/.nimble/pkgs/"
 # Configuration for the GNU C/C++ compiler:
 @if windows:
   #gcc.path = r"$nim\dist\mingw\bin"
-  @if gcc or tcc:
-    tlsEmulation:on
-  @end
 @end
 
 gcc.maxerrorsimpl = "-fmax-errors=3"