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#
# Copyright 2021 ByteDance Inc.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#
ARCH := avx avx2 sse
TMP_DIR := output
OUT_DIR := internal/native
SRC_FILE := native/native.c
CPU_avx := amd64
CPU_avx2 := amd64
CPU_sse := amd64
TMPL_avx := fastint_amd64_test fastfloat_amd64_test native_amd64_test native_export_amd64
TMPL_avx2 := fastint_amd64_test fastfloat_amd64_test native_amd64_test native_export_amd64
TMPL_sse := fastint_amd64_test fastfloat_amd64_test native_amd64_test native_export_amd64
CFLAGS_avx := -msse -mno-sse4 -mavx -mpclmul -mno-avx2 -DUSE_AVX=1 -DUSE_AVX2=0
CFLAGS_avx2 := -msse -mno-sse4 -mavx -mpclmul -mavx2 -DUSE_AVX=1 -DUSE_AVX2=1
CFLAGS_sse := -msse -mno-sse4 -mno-avx -mno-avx2 -mpclmul
CC_amd64 := clang
ASM2ASM_amd64 := tools/asm2asm/asm2asm.py
CFLAGS := -mno-red-zone
CFLAGS += -target x86_64-apple-macos11
CFLAGS += -fno-asynchronous-unwind-tables
CFLAGS += -fno-builtin
CFLAGS += -fno-exceptions
CFLAGS += -fno-rtti
CFLAGS += -fno-stack-protector
CFLAGS += -nostdlib
CFLAGS += -O3
CFLAGS += -Wall -Werror
NATIVE_SRC := $(wildcard native/*.h)
NATIVE_SRC += $(wildcard native/*.c)
.PHONY: all clean ${ARCH}
define build_tmpl
$(eval @arch := $(1))
$(eval @tmpl := $(2))
$(eval @dest := $(3))
${@dest}: ${@tmpl}
mkdir -p $(dir ${@dest})
echo '// Code generated by Makefile, DO NOT EDIT.' > ${@dest}
echo >> ${@dest}
sed -e 's/{{PACKAGE}}/${@arch}/g' ${@tmpl} >> ${@dest}
endef
define build_arch
$(eval @cpu := $(value CPU_$(1)))
$(eval @deps := $(foreach tmpl,$(value TMPL_$(1)),${OUT_DIR}/$(1)/${tmpl}.go))
$(eval @asmin := ${TMP_DIR}/$(1)/native.s)
$(eval @asmout := ${OUT_DIR}/$(1)/native_${@cpu}.s)
$(eval @stubin := ${OUT_DIR}/native_${@cpu}.tmpl)
$(eval @stubout := ${OUT_DIR}/$(1)/native_${@cpu}.go)
$(1): ${@asmout} ${@deps}
${@asmout}: ${@stubout} ${NATIVE_SRC}
mkdir -p ${TMP_DIR}/$(1)
$${CC_${@cpu}} $${CFLAGS} $${CFLAGS_$(1)} -S -o ${TMP_DIR}/$(1)/native.s ${SRC_FILE}
python3 $${ASM2ASM_${@cpu}} ${@asmout} ${TMP_DIR}/$(1)/native.s
asmfmt -w ${@asmout}
$(eval $(call \
build_tmpl, \
$(1), \
${@stubin}, \
${@stubout} \
))
$(foreach \
tmpl, \
$(value TMPL_$(1)), \
$(eval $(call \
build_tmpl, \
$(1), \
${OUT_DIR}/${tmpl}.tmpl, \
${OUT_DIR}/$(1)/${tmpl}.go \
)) \
)
endef
all: ${ARCH}
clean:
for arch in ${ARCH}; do \
rm -vfr ${TMP_DIR}/$${arch}; \
rm -vfr ${OUT_DIR}/$${arch}; \
done
$(foreach \
arch, \
${ARCH}, \
$(eval $(call build_arch,${arch})) \
)
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