enable maximal optimizations on win64

[p5sagit/p5-mst-13.2.git] / win32 / makefile.mk

diff --git a/win32/makefile.mk b/win32/makefile.mk
index 1527b27..35a9eb3 100644 (file)
--- a/win32/makefile.mk
+++ b/win32/makefile.mk
@@ -467,14 +467,17 @@ OPTIMIZE  = -O1 -MD -Zi -DDEBUGGING
 .ENDIF
 LINK_DBG       = -debug
 .ELSE
-.IF "$(CFG)" == "Optimize"
-# -O1 yields smaller code, which turns out to be faster than -O2
-#OPTIMIZE      = -O2 -MD -DNDEBUG
-OPTIMIZE       = -O1 -MD -DNDEBUG
+OPTIMIZE       = -MD -DNDEBUG
+LINK_DBG       = -release
+.IF "$(WIN64)" == "define"
+# enable Whole Program Optimizations (WPO) and Link Time Code Generation (LTCG)
+OPTIMIZE       += -Ox -GL
+LINK_DBG       += -ltcg
 .ELSE
-OPTIMIZE       = -Od -MD -DNDEBUG
+# -O1 yields smaller code, which turns out to be faster than -O2 on x86
+OPTIMIZE       += -O1
+#OPTIMIZE      += -O2
 .ENDIF
-LINK_DBG       = -release
 .ENDIF
 
 .IF "$(WIN64)" == "define"