Fix parallel LTO issues on Windows

[stockfish] / src / Makefile

diff --git a/src/Makefile b/src/Makefile
index 571172b29e0b13209f50d66733952d6a6c0a34ef..fd2618a47b276de1cfbf902af607e41e49db1b14 100644 (file)
--- a/src/Makefile
+++ b/src/Makefile
@@ -68,10 +68,8 @@ endif
 # prefetch = yes/no   --- -DUSE_PREFETCH   --- Use prefetch asm-instruction
 # popcnt = yes/no     --- -DUSE_POPCNT     --- Use popcnt asm-instruction
 # sse = yes/no        --- -msse            --- Use Intel Streaming SIMD Extensions
-# sse3 = yes/no       --- -msse3           --- Use Intel Streaming SIMD Extensions 3
 # ssse3 = yes/no      --- -mssse3          --- Use Intel Supplemental Streaming SIMD Extensions 3
 # sse41 = yes/no      --- -msse4.1         --- Use Intel Streaming SIMD Extensions 4.1
-# sse42 = yes/no      --- -msse4.2         --- Use Intel Streaming SIMD Extensions 4.2
 # avx2 = yes/no       --- -mavx2           --- Use Intel Advanced Vector Extensions 2
 # pext = yes/no       --- -DUSE_PEXT       --- Use pext x86_64 asm-instruction
 # avx512 = yes/no     --- -mavx512bw       --- Use Intel Advanced Vector Extensions 512
@@ -88,11 +86,10 @@ sanitize = no
 bits = 64
 prefetch = no
 popcnt = no
+mmx = no
 sse = no
-sse3 = no
 ssse3 = no
 sse41 = no
-sse42 = no
 avx2 = no
 pext = no
 avx512 = no
@@ -114,6 +111,7 @@ ifeq ($(ARCH),x86-32)
        arch = i386
        bits = 32
        prefetch = yes
+       mmx = yes
        sse = yes
 endif
 
@@ -127,18 +125,10 @@ ifeq ($(ARCH),x86-64)
        sse = yes
 endif
 
-ifeq ($(ARCH),x86-64-sse3)
-       arch = x86_64
-       prefetch = yes
-       sse = yes
-       sse3 = yes
-endif
-
 ifeq ($(ARCH),x86-64-sse3-popcnt)
        arch = x86_64
        prefetch = yes
        sse = yes
-       sse3 = yes
        popcnt = yes
 endif
 
@@ -146,39 +136,25 @@ ifeq ($(ARCH),x86-64-ssse3)
        arch = x86_64
        prefetch = yes
        sse = yes
-       sse3 = yes
        ssse3 = yes
 endif
 
-ifeq ($(ARCH),x86-64-sse41)
-       arch = x86_64
-       prefetch = yes
-       popcnt = yes
-       sse = yes
-       sse3 = yes
-       ssse3 = yes
-       sse41 = yes
-endif
-
 ifeq ($(ARCH),x86-64-modern)
        arch = x86_64
        prefetch = yes
        popcnt = yes
        sse = yes
-       sse3 = yes
        ssse3 = yes
        sse41 = yes
 endif
 
-ifeq ($(ARCH),x86-64-sse42)
+ifeq ($(ARCH),x86-64-sse41-popcnt)
        arch = x86_64
        prefetch = yes
        popcnt = yes
        sse = yes
-       sse3 = yes
        ssse3 = yes
        sse41 = yes
-       sse42 = yes
 endif
 
 ifeq ($(ARCH),x86-64-avx2)
@@ -186,10 +162,8 @@ ifeq ($(ARCH),x86-64-avx2)
        prefetch = yes
        popcnt = yes
        sse = yes
-       sse3 = yes
        ssse3 = yes
        sse41 = yes
-       sse42 = yes
        avx2 = yes
 endif
 
@@ -198,10 +172,8 @@ ifeq ($(ARCH),x86-64-bmi2)
        prefetch = yes
        popcnt = yes
        sse = yes
-       sse3 = yes
        ssse3 = yes
        sse41 = yes
-       sse42 = yes
        avx2 = yes
        pext = yes
 endif
@@ -211,10 +183,8 @@ ifeq ($(ARCH),x86-64-avx512)
        prefetch = yes
        popcnt = yes
        sse = yes
-       sse3 = yes
        ssse3 = yes
        sse41 = yes
-       sse42 = yes
        avx2 = yes
        pext = yes
        avx512 = yes
@@ -282,7 +252,7 @@ ifeq ($(COMP),gcc)
        ifneq ($(KERNEL),Darwin)
           LDFLAGS += -Wl,--no-as-needed
        endif
-       
+
        gccversion = $(shell $(CXX) --version)
        gccisclang = $(findstring clang,$(gccversion))
 endif
@@ -450,13 +420,6 @@ ifeq ($(avx512),yes)
        endif
 endif
 
-ifeq ($(sse42),yes)
-       CXXFLAGS += -DUSE_SSE42
-       ifeq ($(comp),$(filter $(comp),gcc clang mingw))
-               CXXFLAGS += -msse4.2
-       endif
-endif
-
 ifeq ($(sse41),yes)
        CXXFLAGS += -DUSE_SSE41
        ifeq ($(comp),$(filter $(comp),gcc clang mingw))
@@ -471,10 +434,10 @@ ifeq ($(ssse3),yes)
        endif
 endif
 
-ifeq ($(sse3),yes)
-       CXXFLAGS += -DUSE_SSE3
+ifeq ($(mmx),yes)
+       CXXFLAGS += -DUSE_MMX
        ifeq ($(comp),$(filter $(comp),gcc clang mingw))
-               CXXFLAGS += -msse3
+               CXXFLAGS += -mmmx
        endif
 endif
 
@@ -509,6 +472,11 @@ ifeq ($(debug), no)
        ifeq ($(gccisclang),)
                CXXFLAGS += -flto
                LDFLAGS += $(CXXFLAGS) -flto=jobserver
+               ifneq ($(findstring MINGW,$(KERNEL)),)
+                       LDFLAGS += -save-temps
+               else ifneq ($(findstring MSYS,$(KERNEL)),)
+                       LDFLAGS += -save-temps
+               endif
        else
                CXXFLAGS += -flto=thin
                LDFLAGS += $(CXXFLAGS)
@@ -557,14 +525,12 @@ help:
        @echo "x86-64-avx512           > x86 64-bit with avx512 support"
        @echo "x86-64-bmi2             > x86 64-bit with bmi2 support"
        @echo "x86-64-avx2             > x86 64-bit with avx2 support"
-       @echo "x86-64-sse42            > x86 64-bit with sse42 support"
-       @echo "x86-64-modern           > x86 64-bit with sse41 support (x86-64-sse41)"
-       @echo "x86-64-sse41            > x86 64-bit with sse41 support"
+       @echo "x86-64-sse41-popcnt     > x86 64-bit with sse41 and popcnt support"
+       @echo "x86-64-modern           > the same as previous (x86-64-sse41-popcnt)"
        @echo "x86-64-ssse3            > x86 64-bit with ssse3 support"
        @echo "x86-64-sse3-popcnt      > x86 64-bit with sse3 and popcnt support"
-       @echo "x86-64-sse3             > x86 64-bit with sse3 support"
        @echo "x86-64                  > x86 64-bit generic"
-       @echo "x86-32                  > x86 32-bit (also enables SSE)"
+       @echo "x86-32                  > x86 32-bit (also enables MMX and SSE)"
        @echo "x86-32-old              > x86 32-bit fall back for old hardware"
        @echo "ppc-64                  > PPC 64-bit"
        @echo "ppc-32                  > PPC 32-bit"
@@ -644,7 +610,7 @@ objclean:
 # clean auxiliary profiling files
 profileclean:
        @rm -rf profdir
-       @rm -f bench.txt *.gcda *.gcno ./syzygy/*.gcda ./nnue/*.gcda ./nnue/features/*.gcda
+       @rm -f bench.txt *.gcda *.gcno ./syzygy/*.gcda ./nnue/*.gcda ./nnue/features/*.gcda *.s
        @rm -f stockfish.profdata *.profraw
 
 default:
@@ -669,10 +635,8 @@ config-sanity:
        @echo "prefetch: '$(prefetch)'"
        @echo "popcnt: '$(popcnt)'"
        @echo "sse: '$(sse)'"
-       @echo "sse3: '$(sse3)'"
        @echo "ssse3: '$(ssse3)'"
        @echo "sse41: '$(sse41)'"
-       @echo "sse42: '$(sse42)'"
        @echo "avx2: '$(avx2)'"
        @echo "pext: '$(pext)'"
        @echo "avx512: '$(avx512)'"
@@ -695,10 +659,8 @@ config-sanity:
        @test "$(prefetch)" = "yes" || test "$(prefetch)" = "no"
        @test "$(popcnt)" = "yes" || test "$(popcnt)" = "no"
        @test "$(sse)" = "yes" || test "$(sse)" = "no"
-       @test "$(sse3)" = "yes" || test "$(sse3)" = "no"
        @test "$(ssse3)" = "yes" || test "$(ssse3)" = "no"
        @test "$(sse41)" = "yes" || test "$(sse41)" = "no"
-       @test "$(sse42)" = "yes" || test "$(sse42)" = "no"
        @test "$(avx2)" = "yes" || test "$(avx2)" = "no"
        @test "$(pext)" = "yes" || test "$(pext)" = "no"
        @test "$(avx512)" = "yes" || test "$(avx512)" = "no"