projects / ceph.git / blame
| Commit | Line | Data |
|---|---|---|
| 7c673cae FG |
1 | # BSD LICENSE |
| 2 | # | |
| 3 | # Copyright(c) 2010-2014 Intel Corporation. All rights reserved. | |
| 4 | # All rights reserved. | |
| 5 | # | |
| 6 | # Redistribution and use in source and binary forms, with or without | |
| 7 | # modification, are permitted provided that the following conditions | |
| 8 | # are met: | |
| 9 | # | |
| 10 | # * Redistributions of source code must retain the above copyright | |
| 11 | # notice, this list of conditions and the following disclaimer. | |
| 12 | # * Redistributions in binary form must reproduce the above copyright | |
| 13 | # notice, this list of conditions and the following disclaimer in | |
| 14 | # the documentation and/or other materials provided with the | |
| 15 | # distribution. | |
| 16 | # * Neither the name of Intel Corporation nor the names of its | |
| 17 | # contributors may be used to endorse or promote products derived | |
| 18 | # from this software without specific prior written permission. | |
| 19 | # | |
| 20 | # THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS | |
| 21 | # "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT | |
| 22 | # LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR | |
| 23 | # A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT | |
| 24 | # OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | |
| 25 | # SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT | |
| 26 | # LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, | |
| 27 | # DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY | |
| 28 | # THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | |
| 29 | # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | |
| 30 | # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
| 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 |