1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
|
# 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.
# this makefile is called from the generic rte.vars.mk and is
# used to set the RTE_CPUFLAG_* environment variables giving details
# of what instruction sets the target cpu supports.
AUTO_CPUFLAGS := $(shell $(CC) $(MACHINE_CFLAGS) $(WERROR_FLAGS) $(EXTRA_CFLAGS) -dM -E - < /dev/null)
# adding flags to CPUFLAGS
ifneq ($(filter $(AUTO_CPUFLAGS),__SSE__),)
CPUFLAGS += SSE
endif
ifneq ($(filter $(AUTO_CPUFLAGS),__SSE2__),)
CPUFLAGS += SSE2
endif
ifneq ($(filter $(AUTO_CPUFLAGS),__SSE3__),)
CPUFLAGS += SSE3
endif
ifneq ($(filter $(AUTO_CPUFLAGS),__SSSE3__),)
CPUFLAGS += SSSE3
endif
ifneq ($(filter $(AUTO_CPUFLAGS),__SSE4_1__),)
CPUFLAGS += SSE4_1
endif
ifneq ($(filter $(AUTO_CPUFLAGS),__SSE4_2__),)
CPUFLAGS += SSE4_2
endif
ifneq ($(filter $(AUTO_CPUFLAGS),__AES__),)
CPUFLAGS += AES
endif
ifneq ($(filter $(AUTO_CPUFLAGS),__PCLMUL__),)
CPUFLAGS += PCLMULQDQ
endif
ifneq ($(filter $(AUTO_CPUFLAGS),__AVX__),)
ifeq ($(CONFIG_RTE_ENABLE_AVX),y)
CPUFLAGS += AVX
endif
endif
ifneq ($(filter $(AUTO_CPUFLAGS),__RDRND__),)
CPUFLAGS += RDRAND
endif
ifneq ($(filter $(AUTO_CPUFLAGS),__FSGSBASE__),)
CPUFLAGS += FSGSBASE
endif
ifneq ($(filter $(AUTO_CPUFLAGS),__F16C__),)
CPUFLAGS += F16C
endif
ifneq ($(filter $(AUTO_CPUFLAGS),__AVX2__),)
ifeq ($(CONFIG_RTE_ENABLE_AVX),y)
CPUFLAGS += AVX2
endif
endif
ifneq ($(filter $(AUTO_CPUFLAGS),__AVX512F__),)
ifeq ($(CONFIG_RTE_ENABLE_AVX512),y)
CPUFLAGS += AVX512F
endif
endif
# IBM Power CPU flags
ifneq ($(filter $(AUTO_CPUFLAGS),__PPC64__),)
CPUFLAGS += PPC64
endif
ifneq ($(filter $(AUTO_CPUFLAGS),__PPC32__),)
CPUFLAGS += PPC32
endif
ifneq ($(filter $(AUTO_CPUFLAGS),__vector),)
CPUFLAGS += ALTIVEC
endif
ifneq ($(filter $(AUTO_CPUFLAGS),__builtin_vsx_xvnmaddadp),)
CPUFLAGS += VSX
endif
# ARM flags
ifneq ($(filter $(AUTO_CPUFLAGS),__ARM_NEON),)
CPUFLAGS += NEON
endif
ifneq ($(filter $(AUTO_CPUFLAGS),__ARM_FEATURE_CRC32),)
CPUFLAGS += CRC32
endif
MACHINE_CFLAGS += $(addprefix -DRTE_MACHINE_CPUFLAG_,$(CPUFLAGS))
# To strip whitespace
comma:= ,
empty:=
space:= $(empty) $(empty)
CPUFLAGSTMP1 := $(addprefix RTE_CPUFLAG_,$(CPUFLAGS))
CPUFLAGSTMP2 := $(subst $(space),$(comma),$(CPUFLAGSTMP1))
CPUFLAGS_LIST := -DRTE_COMPILE_TIME_CPUFLAGS=$(CPUFLAGSTMP2)
|
