ceph/src/dpdk/mk/toolchain/icc/rte.toolchain-compat.mk

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   3 #   Copyright(c) 2010-2014 Intel Corporation. All rights reserved.
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  31
  32 #
  33 # CPUID-related options
  34 #
  35 # This was added to support compiler versions which might not support all the
  36 # flags we need
  37 #
  38
  39 # find out ICC version
  40
  41 ICC_MAJOR_VERSION = $(shell icc -dumpversion | cut -f1 -d.)
  42
  43 ifeq ($(shell test $(ICC_MAJOR_VERSION) -lt 12 && echo 1), 1)
  44         MACHINE_CFLAGS = -xSSE3
  45 $(warning You are not using ICC 12.x or higher. This is neither supported, nor tested.)
  46
  47 else
  48 # proceed to adjust compiler flags
  49
  50         ICC_MINOR_VERSION = $(shell icc -dumpversion | cut -f2 -d.)
  51
  52 # replace GCC flags with ICC flags
  53         # if icc version >= 12
  54         ifeq ($(shell test $(ICC_MAJOR_VERSION) -ge 12 && echo 1), 1)
  55                 # Atom
  56                 MACHINE_CFLAGS := $(patsubst -march=atom,-xSSSE3_ATOM -march=atom,$(MACHINE_CFLAGS))
  57                 # nehalem/westmere
  58                 MACHINE_CFLAGS := $(patsubst -march=corei7,-xSSE4.2 -march=corei7,$(MACHINE_CFLAGS))
  59                 # sandy bridge
  60                 MACHINE_CFLAGS := $(patsubst -march=corei7-avx,-xAVX,$(MACHINE_CFLAGS))
  61                 # ivy bridge
  62                 MACHINE_CFLAGS := $(patsubst -march=core-avx-i,-xCORE-AVX-I,$(MACHINE_CFLAGS))
  63                 # hsw
  64                 MACHINE_CFLAGS := $(patsubst -march=core-avx2,-xCORE-AVX2,$(MACHINE_CFLAGS))
  65                 # remove westmere flags
  66                 MACHINE_CFLAGS := $(filter-out -mpclmul -maes,$(MACHINE_CFLAGS))
  67         endif
  68         # if icc version == 12.0
  69         ifeq ($(shell test $(ICC_MAJOR_VERSION) -eq 12 && test $(ICC_MINOR_VERSION) -eq 0 && echo 1), 1)
  70                 # Atom
  71                 MACHINE_CFLAGS := $(patsubst -xSSSE3_ATOM,-xSSE3_ATOM,$(MACHINE_CFLAGS))
  72                 # remove march options
  73                 MACHINE_CFLAGS := $(patsubst -march=%,-xSSE3,$(MACHINE_CFLAGS))
  74         endif
  75 endif