From: Gurusamy Sarathy <gsar@cpan.org>
Date: Mon, 22 Apr 2002 02:35:45 +0000 (+0000)
Subject: enable maximal optimizations on win64
X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?a=commitdiff_plain;h=d921a5fbd57e5a5e78de0c6f237dd9ef3d71323c;p=p5sagit%2Fp5-mst-13.2.git

enable maximal optimizations on win64

p4raw-id: //depot/perl@16059
---

diff --git a/win32/Makefile b/win32/Makefile
index 17c4bc2..e8a35c0 100644
--- a/win32/Makefile
+++ b/win32/Makefile
@@ -350,10 +350,17 @@ OPTIMIZE	= -Od -MD -Zi -DDEBUGGING
 !  ENDIF
 LINK_DBG	= -debug
 !ELSE
-# -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	= $(OPTIMIZE) -Ox -GL
+LINK_DBG	= $(LINK_DBG) -ltcg
+!  ELSE
+# -O1 yields smaller code, which turns out to be faster than -O2 on x86
+OPTIMIZE	= $(OPTIMIZE) -O1
+#OPTIMIZE	= $(OPTIMIZE) -O2
+!  ENDIF
 !ENDIF
 
 !IF "$(WIN64)" == "define"
diff --git a/win32/makefile.mk b/win32/makefile.mk
index 1527b27..35a9eb3 100644
--- a/win32/makefile.mk
+++ b/win32/makefile.mk
@@ -467,14 +467,17 @@ OPTIMIZE	= -O1 -MD -Zi -DDEBUGGING
 .ENDIF
 LINK_DBG	= -debug
 .ELSE
-.IF "$(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"