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# BSD LICENSE
#
# Copyright(c) 2010-2014 Intel Corporation. All rights reserved.
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions
# are met:
#
# * Redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer.
# * Redistributions in binary form must reproduce the above copyright
# notice, this list of conditions and the following disclaimer in
# the documentation and/or other materials provided with the
# distribution.
# * Neither the name of Intel Corporation nor the names of its
# contributors may be used to endorse or promote products derived
# from this software without specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#
# CPUID-related options
#
# This was added to support compiler versions which might not support all the
# flags we need
#
# find out ICC version
ICC_MAJOR_VERSION = $(shell icc -dumpversion | cut -f1 -d.)
ifeq ($(shell test $(ICC_MAJOR_VERSION) -lt 12 && echo 1), 1)
MACHINE_CFLAGS = -xSSE4.2
$(warning You are not using ICC 12.x or higher. This is neither supported, nor tested.)
else
# proceed to adjust compiler flags
ICC_MINOR_VERSION = $(shell icc -dumpversion | cut -f2 -d.)
# replace GCC flags with ICC flags
# if icc version >= 12
ifeq ($(shell test $(ICC_MAJOR_VERSION) -ge 12 && echo 1), 1)
# Atom
MACHINE_CFLAGS := $(patsubst -march=atom,-xSSSE3_ATOM -march=atom,$(MACHINE_CFLAGS))
# nehalem/westmere
MACHINE_CFLAGS := $(patsubst -march=corei7,-xSSE4.2 -march=corei7,$(MACHINE_CFLAGS))
# sandy bridge
MACHINE_CFLAGS := $(patsubst -march=corei7-avx,-xAVX,$(MACHINE_CFLAGS))
# ivy bridge
MACHINE_CFLAGS := $(patsubst -march=core-avx-i,-xCORE-AVX-I,$(MACHINE_CFLAGS))
# hsw
MACHINE_CFLAGS := $(patsubst -march=core-avx2,-xCORE-AVX2,$(MACHINE_CFLAGS))
# remove westmere flags
MACHINE_CFLAGS := $(filter-out -mpclmul -maes,$(MACHINE_CFLAGS))
endif
# if icc version == 12.0
ifeq ($(shell test $(ICC_MAJOR_VERSION) -eq 12 && test $(ICC_MINOR_VERSION) -eq 0 && echo 1), 1)
# Atom
MACHINE_CFLAGS := $(patsubst -xSSSE3_ATOM,-xSSE3_ATOM,$(MACHINE_CFLAGS))
# remove march options
MACHINE_CFLAGS := $(patsubst -march=%,-xSSE3,$(MACHINE_CFLAGS))
endif
# Disable thunderx PMD for icc <= 16.0
ifeq ($(shell test $(ICC_MAJOR_VERSION) -le 16 && echo 1), 1)
CONFIG_RTE_LIBRTE_THUNDERX_NICVF_PMD=d
endif
endif
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