Add sse4 if bmi2 is enabled

[stockfish] / src / Makefile

diff --git a/src/Makefile b/src/Makefile
index 2d6042e20226acd4cbf5bbef9a008e080c6957f3..6deb0e27a6a9faed0acb938267a1dfa11ef260dd 100644 (file)
--- a/src/Makefile
+++ b/src/Makefile
@@ -136,6 +136,8 @@ endif
 ifeq ($(ARCH),ppc-64)
        arch = ppc64
        bits = 64
+       popcnt = yes
+       prefetch = yes
 endif
 
 
@@ -313,7 +315,9 @@ endif
 
 ### 3.6 popcnt
 ifeq ($(popcnt),yes)
-       ifeq ($(comp),icc)
+       ifeq ($(arch),ppc64)
+               CXXFLAGS += -DUSE_POPCNT
+       else ifeq ($(comp),icc)
                CXXFLAGS += -msse3 -DUSE_POPCNT
        else
                CXXFLAGS += -msse3 -mpopcnt -DUSE_POPCNT
@@ -324,7 +328,7 @@ endif
 ifeq ($(pext),yes)
        CXXFLAGS += -DUSE_PEXT
        ifeq ($(comp),$(filter $(comp),gcc clang mingw))
-               CXXFLAGS += -mbmi2
+               CXXFLAGS += -msse4 -mbmi2
        endif
 endif
 
@@ -375,9 +379,9 @@ help:
        @echo ""
        @echo "Supported archs:"
        @echo ""
-       @echo "x86-64                  > x86 64-bit"
-       @echo "x86-64-modern           > x86 64-bit with popcnt support"
-       @echo "x86-64-bmi2             > x86 64-bit with pext support"
+       @echo "x86-64-bmi2             > x86 64-bit with pext support (also enables SSE4)"
+       @echo "x86-64-modern           > x86 64-bit with popcnt support (also enables SSE3)"
+       @echo "x86-64                  > x86 64-bit generic"
        @echo "x86-32                  > x86 32-bit with SSE support"
        @echo "x86-32-old              > x86 32-bit fall back for old hardware"
        @echo "ppc-64                  > PPC 64-bit"