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#
# Copyright Amazon.com, Inc. or its affiliates. All Rights Reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License").
# You may not use this file except in compliance with the License.
# A copy of the License is located at
#
# http://aws.amazon.com/apache2.0
#
# or in the "license" file accompanying this file. This file 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.
#
.DEFAULT_GOAL := all
include ../../s2n.mk
include ../s2n_pq_asm.mk
# Kyber Round-3 code has several different optimizations
# which require specific compiler flags to be supported
# by the compiler. The flags are set in the s2n_pq_asm.mk
# file and used here to compile the optimized code files.
SRCS=kyber512r3_cbd.c kyber512r3_fips202.c kyber512r3_indcpa.c kyber512r3_kem.c kyber512r3_ntt.c kyber512r3_poly.c kyber512r3_polyvec.c kyber512r3_reduce.c kyber512r3_symmetric-shake.c
OBJS=$(SRCS:.c=.o)
AVX2_SRCS=kyber512r3_cbd_avx2.c kyber512r3_consts_avx2.c kyber512r3_fips202x4_avx2.c kyber512r3_indcpa_avx2.c kyber512r3_poly_avx2.c kyber512r3_polyvec_avx2.c kyber512r3_rejsample_avx2.c KeccakP-1600-times4-SIMD256_avx2.c
AVX2_ASM_SRCS=kyber512r3_basemul_avx2.S kyber512r3_fq_avx2.S kyber512r3_invntt_avx2.S kyber512r3_ntt_avx2.S kyber512r3_shuffle_avx2.S
ifeq ($(KYBER512R3_AVX2_BMI2_SUPPORTED), 0)
CFLAGS += -DS2N_KYBER512R3_AVX2_BMI2
CFLAGS_LLVM += -DS2N_KYBER512R3_AVX2_BMI2
AVX2_OBJS=$(AVX2_SRCS:.c=.o)
AVX2_ASM_OBJS=$(AVX2_ASM_SRCS:.S=.o)
KYBER512R3_AVX2_BMI2_FLAGS= -mavx2 -mbmi2
$(AVX2_SRCS): CFLAGS += $(KYBER512R3_AVX2_BMI2_FLAGS)
$(AVX2_OBJS): CFLAGS += $(KYBER512R3_AVX2_BMI2_FLAGS)
$(AVX2_ASM_OBJS): CFLAGS += $(KYBER512R3_AVX2_BMI2_FLAGS)
endif
#WA for GCC 4.8.5 bug.
CFLAGS += -Wno-missing-braces -Wno-missing-field-initializers -I../../
ifeq ($(KYBER512R3_AVX2_BMI2_SUPPORTED), 0)
.PHONY : all
all: $(OBJS) $(AVX2_OBJS) $(AVX2_ASM_OBJS)
else
.PHONY : all
all: $(OBJS)
endif
CFLAGS_LLVM = -emit-llvm -c -g \
-std=c99 -fgnu89-inline -D_POSIX_C_SOURCE=200809L -D_FORTIFY_SOURCE=2 \
-I$(LIBCRYPTO_ROOT)/include/ -I../../api/ -I../../
BCS=$(addprefix $(BITCODE_DIR), $(SRCS:.c=.bc))
ifeq ($(KYBER512R3_AVX2_BMI2_SUPPORTED), 0)
AVX2_BCS=$(addprefix $(BITCODE_DIR), $(AVX2_SRCS:.c=.bc))
AVX2_ASM_BCS=$(addprefix $(BITCODE_DIR), $(AVX2_ASM_SRCS:.S=.bc))
endif
$(BCS): CFLAGS_LLVM += $(KYBER512R3_AVX2_BMI2_FLAGS)
ifeq ($(KYBER512R3_AVX2_BMI2_SUPPORTED), 0)
$(AVX2_BCS): CFLAGS_LLVM += $(KYBER512R3_AVX2_BMI2_FLAGS)
$(AVX2_ASM_BCS): CFLAGS_LLVM += $(KYBER512R3_AVX2_BMI2_FLAGS)
endif
ifeq ($(KYBER512R3_AVX2_BMI2_SUPPORTED), 0)
.PHONY : bc
bc: $(BCS) $(AVX2_BCS) $(AVX2_ASM_BCS)
else
.PHONY : bc
bc: $(BCS)
endif
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