Tested with bench run after compiling with
- g++ (Debian 6.3.0-18+deb9u1) 6.3.0
20170516
- clang version 3.8.1-24
on ThunderX CN8890.
closes https://github.com/official-stockfish/Stockfish/pull/2760
fixes https://github.com/official-stockfish/Stockfish/issues/2355
No functional change.
+ifeq ($(ARCH),armv8)
+ arch = armv8-a
+ bits = 64
+ prefetch = yes
+endif
+
ifeq ($(ARCH),ppc-32)
arch = ppc
endif
ifeq ($(ARCH),ppc-32)
arch = ppc
endif
CXX=g++
CXXFLAGS += -pedantic -Wextra -Wshadow
CXX=g++
CXXFLAGS += -pedantic -Wextra -Wshadow
+ ifeq ($(ARCH),$(filter $(ARCH),armv7 armv8))
ifeq ($(OS),Android)
CXXFLAGS += -m$(bits)
LDFLAGS += -m$(bits)
ifeq ($(OS),Android)
CXXFLAGS += -m$(bits)
LDFLAGS += -m$(bits)
+ ifeq ($(ARCH),$(filter $(ARCH),armv7 armv8))
ifeq ($(OS),Android)
CXXFLAGS += -m$(bits)
LDFLAGS += -m$(bits)
ifeq ($(OS),Android)
CXXFLAGS += -m$(bits)
LDFLAGS += -m$(bits)
@echo "ppc-64 > PPC 64-bit"
@echo "ppc-32 > PPC 32-bit"
@echo "armv7 > ARMv7 32-bit"
@echo "ppc-64 > PPC 64-bit"
@echo "ppc-32 > PPC 32-bit"
@echo "armv7 > ARMv7 32-bit"
+ @echo "armv8 > ARMv8 64-bit"
@echo "general-64 > unspecified 64-bit"
@echo "general-32 > unspecified 32-bit"
@echo ""
@echo "general-64 > unspecified 64-bit"
@echo "general-32 > unspecified 32-bit"
@echo ""
@test "$(sanitize)" = "undefined" || test "$(sanitize)" = "thread" || test "$(sanitize)" = "address" || test "$(sanitize)" = "no"
@test "$(optimize)" = "yes" || test "$(optimize)" = "no"
@test "$(arch)" = "any" || test "$(arch)" = "x86_64" || test "$(arch)" = "i386" || \
@test "$(sanitize)" = "undefined" || test "$(sanitize)" = "thread" || test "$(sanitize)" = "address" || test "$(sanitize)" = "no"
@test "$(optimize)" = "yes" || test "$(optimize)" = "no"
@test "$(arch)" = "any" || test "$(arch)" = "x86_64" || test "$(arch)" = "i386" || \
- test "$(arch)" = "ppc64" || test "$(arch)" = "ppc" || test "$(arch)" = "armv7"
+ test "$(arch)" = "ppc64" || test "$(arch)" = "ppc" || \
+ test "$(arch)" = "armv7" || test "$(arch)" = "armv8-a"
@test "$(bits)" = "32" || test "$(bits)" = "64"
@test "$(prefetch)" = "yes" || test "$(prefetch)" = "no"
@test "$(popcnt)" = "yes" || test "$(popcnt)" = "no"
@test "$(bits)" = "32" || test "$(bits)" = "64"
@test "$(prefetch)" = "yes" || test "$(prefetch)" = "no"
@test "$(popcnt)" = "yes" || test "$(popcnt)" = "no"