aboutsummaryrefslogtreecommitdiffstats
path: root/mk/rte.cpuflags.mk
diff options
context:
space:
mode:
authorC.J. Collier <cjcollier@linuxfoundation.org>2016-06-14 07:50:17 -0700
committerC.J. Collier <cjcollier@linuxfoundation.org>2016-06-14 12:17:54 -0700
commit97f17497d162afdb82c8704bf097f0fee3724b2e (patch)
tree1c6269614c0c15ffef8451c58ae8f8b30a1bc804 /mk/rte.cpuflags.mk
parente04be89c2409570e0055b2cda60bd11395bb93b0 (diff)
Imported Upstream version 16.04
Change-Id: I77eadcd8538a9122e4773cbe55b24033dc451757 Signed-off-by: C.J. Collier <cjcollier@linuxfoundation.org>
Diffstat (limited to 'mk/rte.cpuflags.mk')
-rw-r--r--mk/rte.cpuflags.mk131
1 files changed, 131 insertions, 0 deletions
diff --git a/mk/rte.cpuflags.mk b/mk/rte.cpuflags.mk
new file mode 100644
index 00000000..e634abc3
--- /dev/null
+++ b/mk/rte.cpuflags.mk
@@ -0,0 +1,131 @@
+# 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 $(AUTO_CPUFLAGS),__AVX__),)
+CPUFLAGS += AVX
+endif
+
+ifneq ($(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 $(AUTO_CPUFLAGS),__AVX2__),)
+CPUFLAGS += AVX2
+endif
+
+ifneq ($(filter $(AUTO_CPUFLAGS),__AVX512F__),)
+CPUFLAGS += AVX512F
+endif
+
+# IBM Power CPU flags
+ifneq ($(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)