# Stockfish, a UCI chess playing engine derived from Glaurung 2.1
-# Copyright (C) 2004-2022 The Stockfish developers (see AUTHORS file)
+# Copyright (C) 2004-2023 The Stockfish developers (see AUTHORS file)
#
# Stockfish is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
### Section 2. High-level Configuration
### ==========================================================================
#
-# flag --- Comp switch --- Description
+# flag --- Comp switch --- Description
# ----------------------------------------------------------------------------
#
-# debug = yes/no --- -DNDEBUG --- Enable/Disable debug mode
+# debug = yes/no --- -DNDEBUG --- Enable/Disable debug mode
# sanitize = none/<sanitizer> ... (-fsanitize )
-# --- ( undefined ) --- enable undefined behavior checks
-# --- ( thread ) --- enable threading error checks
-# --- ( address ) --- enable memory access checks
-# --- ...etc... --- see compiler documentation for supported sanitizers
-# optimize = yes/no --- (-O3/-fast etc.) --- Enable/Disable optimizations
-# arch = (name) --- (-arch) --- Target architecture
-# bits = 64/32 --- -DIS_64BIT --- 64-/32-bit operating system
-# prefetch = yes/no --- -DUSE_PREFETCH --- Use prefetch asm-instruction
-# popcnt = yes/no --- -DUSE_POPCNT --- Use popcnt asm-instruction
-# pext = yes/no --- -DUSE_PEXT --- Use pext x86_64 asm-instruction
-# sse = yes/no --- -msse --- Use Intel Streaming SIMD Extensions
-# mmx = yes/no --- -mmmx --- Use Intel MMX instructions
-# sse2 = yes/no --- -msse2 --- Use Intel Streaming SIMD Extensions 2
-# ssse3 = yes/no --- -mssse3 --- Use Intel Supplemental Streaming SIMD Extensions 3
-# sse41 = yes/no --- -msse4.1 --- Use Intel Streaming SIMD Extensions 4.1
-# avx2 = yes/no --- -mavx2 --- Use Intel Advanced Vector Extensions 2
-# avxvnni = yes/no --- -mavxvnni --- Use Intel Vector Neural Network Instructions AVX
-# avx512 = yes/no --- -mavx512bw --- Use Intel Advanced Vector Extensions 512
-# vnni256 = yes/no --- -mavx512vnni --- Use Intel Vector Neural Network Instructions 256
-# vnni512 = yes/no --- -mavx512vnni --- Use Intel Vector Neural Network Instructions 512
-# neon = yes/no --- -DUSE_NEON --- Use ARM SIMD architecture
+# --- ( undefined ) --- enable undefined behavior checks
+# --- ( thread ) --- enable threading error checks
+# --- ( address ) --- enable memory access checks
+# --- ...etc... --- see compiler documentation for supported sanitizers
+# optimize = yes/no --- (-O3/-fast etc.) --- Enable/Disable optimizations
+# arch = (name) --- (-arch) --- Target architecture
+# bits = 64/32 --- -DIS_64BIT --- 64-/32-bit operating system
+# prefetch = yes/no --- -DUSE_PREFETCH --- Use prefetch asm-instruction
+# popcnt = yes/no --- -DUSE_POPCNT --- Use popcnt asm-instruction
+# pext = yes/no --- -DUSE_PEXT --- Use pext x86_64 asm-instruction
+# sse = yes/no --- -msse --- Use Intel Streaming SIMD Extensions
+# mmx = yes/no --- -mmmx --- Use Intel MMX instructions
+# sse2 = yes/no --- -msse2 --- Use Intel Streaming SIMD Extensions 2
+# ssse3 = yes/no --- -mssse3 --- Use Intel Supplemental Streaming SIMD Extensions 3
+# sse41 = yes/no --- -msse4.1 --- Use Intel Streaming SIMD Extensions 4.1
+# avx2 = yes/no --- -mavx2 --- Use Intel Advanced Vector Extensions 2
+# avxvnni = yes/no --- -mavxvnni --- Use Intel Vector Neural Network Instructions AVX
+# avx512 = yes/no --- -mavx512bw --- Use Intel Advanced Vector Extensions 512
+# vnni256 = yes/no --- -mavx256vnni --- Use Intel Vector Neural Network Instructions 512 with 256bit operands
+# vnni512 = yes/no --- -mavx512vnni --- Use Intel Vector Neural Network Instructions 512
+# neon = yes/no --- -DUSE_NEON --- Use ARM SIMD architecture
+# dotprod = yes/no --- -DUSE_NEON_DOTPROD --- Use ARM advanced SIMD Int8 dot product instructions
#
# Note that Makefile is space sensitive, so when adding new architectures
# or modifying existing flags, you have to make sure there are no extra spaces
x86-64-vnni512 x86-64-vnni256 x86-64-avx512 x86-64-avxvnni x86-64-bmi2 \
x86-64-avx2 x86-64-sse41-popcnt x86-64-modern x86-64-ssse3 x86-64-sse3-popcnt \
x86-64 x86-32-sse41-popcnt x86-32-sse2 x86-32 ppc-64 ppc-32 e2k \
- armv7 armv7-neon armv8 apple-silicon general-64 general-32 riscv64))
+ armv7 armv7-neon armv8 armv8-dotprod apple-silicon general-64 general-32 riscv64))
SUPPORTED_ARCH=true
else
SUPPORTED_ARCH=false
vnni256 = no
vnni512 = no
neon = no
+dotprod = no
arm_version = 0
STRIP = strip
arm_version = 8
endif
+ifeq ($(ARCH),armv8-dotprod)
+ arch = armv8
+ prefetch = yes
+ popcnt = yes
+ neon = yes
+ dotprod = yes
+ arm_version = 8
+endif
+
ifeq ($(ARCH),apple-silicon)
arch = arm64
prefetch = yes
popcnt = yes
neon = yes
+ dotprod = yes
arm_version = 8
endif
ifeq ($(COMP),gcc)
comp=gcc
CXX=g++
- CXXFLAGS += -pedantic -Wextra -Wshadow
+ CXXFLAGS += -pedantic -Wextra -Wshadow -Wmissing-declarations
ifeq ($(arch),$(filter $(arch),armv7 armv8 riscv64))
ifeq ($(OS),Android)
CXX=i686-w64-mingw32-c++-posix
endif
endif
- CXXFLAGS += -pedantic -Wextra -Wshadow
+ CXXFLAGS += -pedantic -Wextra -Wshadow -Wmissing-declarations
endif
ifeq ($(COMP),icc)
CXX=x86_64-w64-mingw32-clang++
endif
- CXXFLAGS += -pedantic -Wextra -Wshadow
+ CXXFLAGS += -pedantic -Wextra -Wshadow -Wmissing-prototypes \
+ -Wconditional-uninitialized
ifeq ($(filter $(KERNEL),Darwin OpenBSD FreeBSD),)
ifeq ($(target_windows),)
endif
ifeq ($(comp),clang)
- CXXFLAGS += -fexperimental-new-pass-manager
+ clangmajorversion = $(shell $(CXX) -dumpversion 2>/dev/null | cut -f1 -d.)
+ ifeq ($(shell expr $(clangmajorversion) \< 16),1)
+ CXXFLAGS += -fexperimental-new-pass-manager
+ endif
endif
endif
endif
endif
+ifeq ($(dotprod),yes)
+ CXXFLAGS += -march=armv8.2-a+dotprod -DUSE_NEON_DOTPROD
+endif
+
### 3.7 pext
ifeq ($(pext),yes)
CXXFLAGS += -DUSE_PEXT
### 3.7.1 Try to include git commit sha for versioning
GIT_SHA = $(shell git rev-parse --short HEAD 2>/dev/null)
ifneq ($(GIT_SHA), )
- CXXFLAGS += -DGIT_SHA=\"$(GIT_SHA)\"
+ CXXFLAGS += -DGIT_SHA=$(GIT_SHA)
endif
### 3.7.2 Try to include git commit date for versioning
GIT_DATE = $(shell git show -s --date=format:'%Y%m%d' --format=%cd HEAD 2>/dev/null)
ifneq ($(GIT_DATE), )
- CXXFLAGS += -DGIT_DATE=\"$(GIT_DATE)\"
+ CXXFLAGS += -DGIT_DATE=$(GIT_DATE)
endif
### 3.8 Link Time Optimization
@echo ""
@echo "Supported archs:"
@echo ""
- @echo "x86-64-vnni512 > x86 64-bit with vnni support 512bit wide"
- @echo "x86-64-vnni256 > x86 64-bit with vnni support 256bit wide"
+ @echo "x86-64-vnni512 > x86 64-bit with vnni 512bit support"
+ @echo "x86-64-vnni256 > x86 64-bit with vnni 512bit support, limit operands to 256bit wide"
@echo "x86-64-avx512 > x86 64-bit with avx512 support"
- @echo "x86-64-avxvnni > x86 64-bit with avxvnni support"
+ @echo "x86-64-avxvnni > x86 64-bit with vnni 256bit support"
@echo "x86-64-bmi2 > x86 64-bit with bmi2 support"
@echo "x86-64-avx2 > x86 64-bit with avx2 support"
@echo "x86-64-sse41-popcnt > x86 64-bit with sse41 and popcnt support"
@echo "armv7 > ARMv7 32-bit"
@echo "armv7-neon > ARMv7 32-bit with popcnt and neon"
@echo "armv8 > ARMv8 64-bit with popcnt and neon"
+ @echo "armv8-dotprod > ARMv8 64-bit with popcnt, neon and dot product support"
@echo "e2k > Elbrus 2000"
@echo "apple-silicon > Apple silicon ARM64"
@echo "general-64 > unspecified 64-bit"
.depend: $(SRCS)
-@$(CXX) $(DEPENDFLAGS) -MM $(SRCS) > $@ 2> /dev/null
-ifneq (, $(filter $(MAKECMDGOALS), build profile-build))
+ifeq (, $(filter $(MAKECMDGOALS), help strip install clean net objclean profileclean config-sanity))
-include .depend
endif
projects / stockfish / blobdiff