X-Git-Url: https://git.sesse.net/?p=stockfish;a=blobdiff_plain;f=src%2FMakefile;h=d5a72b66f5a5a829c98ca7270687e26a1a906c06;hp=5fa29c0a01a35226c421de301a134210be264c1d;hb=0973cc2ef63060294f790803e0525b66ee91dfee;hpb=dc286d2673ef334c6bab0c4244a49a1b01e63cdc

diff --git a/src/Makefile b/src/Makefile
index 5fa29c0a..d5a72b66 100644
--- a/src/Makefile
+++ b/src/Makefile
@@ -25,8 +25,11 @@ EXE = stockfish
 ### ==========================================================================
 ### Compiler speed switches for both GCC and ICC. These settings are generally
 ### fast on a broad range of systems, but may be changed experimentally
+###
+### NOTE: Some versions of gcc miscompile value.h with -O2 or -O3, this is the
+### safe setup, try changing to -O3 or -O2 and verify it works for you.
 ### ==========================================================================
-GCCFLAGS = -O3 -msse
+GCCFLAGS = -O1 -msse
 ICCFLAGS = -fast -msse
 ICCFLAGS-OSX = -fast -mdynamic-no-pic
 
@@ -40,11 +43,11 @@ ICCFLAGS-OSX += -DNDEBUG
 
 
 ### ==========================================================================
-### Enable/disable compile for a big-endian CPU, disabled by default
+### Remove below comments to compile for a big-endian machine
 ### ==========================================================================
-GCCFLAGS += -DNBIGENDIAN
-ICCFLAGS += -DNBIGENDIAN
-ICCFLAGS-OSX += -DNBIGENDIAN
+#GCCFLAGS += -DBIGENDIAN
+#ICCFLAGS += -DBIGENDIAN
+#ICCFLAGS-OSX += -DBIGENDIAN
 
 
 ### ==========================================================================
@@ -82,6 +85,7 @@ help:
 	@echo "make                >  Default: Compiler = g++"
 	@echo "make icc            >  Compiler = icpc"
 	@echo "make icc-profile    >  Compiler = icpc + automatic pgo-build"
+	@echo "make icc-profile-popcnt >  Compiler = icpc + automatic pgo-build + popcnt-support"
 	@echo "make osx-ppc32      >  PPC-Mac OS X 32 bit. Compiler = g++"
 	@echo "make osx-ppc64      >  PPC-Mac OS X 64 bit. Compiler = g++"
 	@echo "make osx-x86        >  x86-Mac OS X 32 bit. Compiler = g++"
@@ -141,6 +145,40 @@ icc-profile:
 	$(MAKE) icc-profile-use
 	@rm -rf profdir bench.txt
 
+icc-profile-make-with-popcnt:
+	$(MAKE) \
+	CXX='icpc' \
+	CXXFLAGS="$(ICCFLAGS) -DUSE_POPCNT" \
+	CXXFLAGS+='-prof-gen=srcpos -prof_dir ./profdir' \
+	all
+
+icc-profile-use-with-popcnt:
+	$(MAKE) \
+	CXX='icpc' \
+	CXXFLAGS="$(ICCFLAGS) -DUSE_POPCNT" \
+	CXXFLAGS+='-prof_use -prof_dir ./profdir' \
+	all
+
+icc-profile-popcnt:
+	@rm -rf profdir
+	@mkdir profdir
+	@touch *.cpp *.h
+	$(MAKE) icc-profile-make
+	@echo ""
+	@echo "Running benchmark for pgo-build (popcnt disabled)..."
+	@$(PGOBENCH) > /dev/null
+	@touch *.cpp *.h
+	$(MAKE) icc-profile-make-with-popcnt
+	@echo ""
+	@echo "Running benchmark for pgo-build (popcnt enabled)..."
+	@$(PGOBENCH) > /dev/null
+	@echo "Benchmarks finished. Build final executable now ..."
+	@echo ""
+	@touch *.cpp *.h
+	$(MAKE) icc-profile-use-with-popcnt
+	@rm -rf profdir bench.txt
+
+
 osx-ppc32:
 	$(MAKE) \
 	CXX='g++' \