make : use -march=native -mtune=native on x86 (#609)

diff --git a/Makefile b/Makefile
index 83a4514ef7177f4b8e3d14f92a5cd17fc6917315..2f828bf10d7475db542008bc854efbc57e3cc61b 100644 (file)
--- a/Makefile
+++ b/Makefile
@@ -70,95 +70,8 @@ endif
 # TODO: probably these flags need to be tweaked on some architectures
 #       feel free to update the Makefile for your architecture and send a pull request or issue
 ifeq ($(UNAME_M),$(filter $(UNAME_M),x86_64 i686))
-       ifeq ($(UNAME_S),Darwin)
-               F16C_M := $(shell sysctl machdep.cpu.features)
-               ifneq (,$(findstring F16C,$(F16C_M)))
-                   CFLAGS += -mf16c
-               endif
-               AVX1_M := $(shell sysctl machdep.cpu.features)
-               ifneq (,$(findstring FMA,$(AVX1_M)))
-                       CFLAGS += -mfma
-               endif
-               ifneq (,$(findstring AVX1.0,$(AVX1_M)))
-                       CFLAGS += -mavx
-               endif
-               AVX2_M := $(shell sysctl machdep.cpu.leaf7_features)
-               ifneq (,$(findstring AVX2,$(AVX2_M)))
-                       CFLAGS += -mavx2
-               endif
-       else ifeq ($(UNAME_S),Linux)
-               AVX1_M := $(shell grep "avx " /proc/cpuinfo)
-               ifneq (,$(findstring avx,$(AVX1_M)))
-                       CFLAGS += -mavx
-               endif
-               AVX2_M := $(shell grep "avx2 " /proc/cpuinfo)
-               ifneq (,$(findstring avx2,$(AVX2_M)))
-                       CFLAGS += -mavx2
-               endif
-               FMA_M := $(shell grep "fma " /proc/cpuinfo)
-               ifneq (,$(findstring fma,$(FMA_M)))
-                       CFLAGS += -mfma
-               endif
-               F16C_M := $(shell grep "f16c " /proc/cpuinfo)
-               ifneq (,$(findstring f16c,$(F16C_M)))
-                       CFLAGS += -mf16c
-               endif
-               SSE3_M := $(shell grep "sse3 " /proc/cpuinfo)
-               ifneq (,$(findstring sse3,$(SSE3_M)))
-                       CFLAGS += -msse3
-               endif
-               AVX512F_M := $(shell grep "avx512f " /proc/cpuinfo)
-               ifneq (,$(findstring avx512f,$(AVX512F_M)))
-                       CFLAGS += -mavx512f
-               endif
-               AVX512BW_M := $(shell grep "avx512bw " /proc/cpuinfo)
-               ifneq (,$(findstring avx512bw,$(AVX512BW_M)))
-                       CFLAGS += -mavx512bw
-               endif
-               AVX512DQ_M := $(shell grep "avx512dq " /proc/cpuinfo)
-               ifneq (,$(findstring avx512dq,$(AVX512DQ_M)))
-                       CFLAGS += -mavx512dq
-               endif
-               AVX512VL_M := $(shell grep "avx512vl " /proc/cpuinfo)
-               ifneq (,$(findstring avx512vl,$(AVX512VL_M)))
-                       CFLAGS += -mavx512vl
-               endif
-               AVX512CD_M := $(shell grep "avx512cd " /proc/cpuinfo)
-               ifneq (,$(findstring avx512cd,$(AVX512CD_M)))
-                       CFLAGS += -mavx512cd
-               endif
-               AVX512ER_M := $(shell grep "avx512er " /proc/cpuinfo)
-               ifneq (,$(findstring avx512er,$(AVX512ER_M)))
-                       CFLAGS += -mavx512er
-               endif
-               AVX512IFMA_M := $(shell grep "avx512ifma " /proc/cpuinfo)
-               ifneq (,$(findstring avx512ifma,$(AVX512IFMA_M)))
-                       CFLAGS += -mavx512ifma
-               endif
-               AVX512PF_M := $(shell grep "avx512pf " /proc/cpuinfo)
-               ifneq (,$(findstring avx512pf,$(AVX512PF_M)))
-                       CFLAGS += -mavx512pf
-               endif
-       else ifeq ($(UNAME_S),Haiku)
-               AVX1_M := $(shell sysinfo -cpu | grep -w "AVX")
-               ifneq (,$(findstring AVX,$(AVX1_M)))
-                       CFLAGS += -mavx
-               endif
-               AVX2_M := $(shell sysinfo -cpu | grep -w "AVX2")
-               ifneq (,$(findstring AVX2,$(AVX2_M)))
-                       CFLAGS += -mavx2
-               endif
-               FMA_M := $(shell sysinfo -cpu | grep -w "FMA")
-               ifneq (,$(findstring FMA,$(FMA_M)))
-                       CFLAGS += -mfma
-               endif
-               F16C_M := $(shell sysinfo -cpu | grep -w "F16C")
-               ifneq (,$(findstring F16C,$(F16C_M)))
-                       CFLAGS += -mf16c
-               endif
-       else
-               CFLAGS += -mfma -mf16c -mavx -mavx2
-       endif
+       # Use all CPU extensions that are available:
+       CFLAGS += -march=native -mtune=native
 endif
 ifneq ($(filter ppc64%,$(UNAME_M)),)
        POWER9_M := $(shell grep "POWER9" /proc/cpuinfo)