even BETTER C++ compiler flags for all OSs -- related to #241 and #246

jr-leary7 · jr-leary7 · commit a7baea422cfe · 2024-10-13T20:22:20.000-04:00
diff --git a/src/Makevars b/src/Makevars
@@ -7,5 +7,5 @@
 CXX_STD = CXX11
 
 ## enable CPU speedups
-PKG_CXXFLAGS += -O3 -march=native
-PKG_CXX11FLAGS += -O3 -march=native
+PKG_CXXFLAGS += -O3 -march=native -mfma
+PKG_CXX11FLAGS += -O3 -march=native -mfma
diff --git a/src/Makevars.win b/src/Makevars.win
@@ -7,5 +7,5 @@
 CXX_STD = CXX11
 
 ## enable CPU speedups
-PKG_CXXFLAGS += -O3 -mtune=native
-PKG_CXX11FLAGS += -O3 -mtune=native
+PKG_CXXFLAGS += -O3 -mtune=native -mfma
+PKG_CXX11FLAGS += -O3 -mtune=native -mfma
