X-Git-Url: https://gerrit.fd.io/r/gitweb?a=blobdiff_plain;f=mk%2Frte.cpuflags.mk;fp=mk%2Frte.cpuflags.mk;h=e634abc38c5099547661d9b84aceaaeb8cd84c18;hb=97f17497d162afdb82c8704bf097f0fee3724b2e;hp=0000000000000000000000000000000000000000;hpb=e04be89c2409570e0055b2cda60bd11395bb93b0;p=deb_dpdk.git 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)