Let prefetch to be enabled by default on Windows

[stockfish] / src / Makefile

diff --git a/src/Makefile b/src/Makefile
index 7459d06d3f0346ca80da60d8d04e5c81002c1d33..d2ac42111e9b1db5c3dc624dc32e3c757f888eaa 100644 (file)
--- a/src/Makefile
+++ b/src/Makefile
@@ -64,6 +64,7 @@ OBJS = application.o bitboard.o pawns.o material.o endgame.o evaluate.o main.o \
 ### 2.1. General
 debug = no
 optimize = yes
+no_prefetch = yes
 
 ### 2.2 Architecture specific
 
@@ -278,7 +279,11 @@ endif
 
 ### 3.8 prefetch
 ifeq ($(prefetch),yes)
-       CXXFLAGS += -msse -DUSE_PREFETCH
+       no_prefetch = no
+endif
+
+ifeq ($(no_prefetch),yes)
+       CXXFLAGS += -msse -DNO_PREFETCH
        DEPENDFLAGS += -msse
 endif