[ceph.git] / ceph / src / spdk / dpdk / mk / toolchain / gcc / rte.toolchain-compat.mk

# SPDX-License-Identifier: BSD-3-Clause
# Copyright(c) 2010-2014 Intel Corporation

#
# CPUID-related options
#
# This was added to support compiler versions which might not support all the
# flags we need
#

#find out GCC version

GCC_MAJOR = $(shell echo __GNUC__ | $(CC) -E -x c - | tail -n 1)
GCC_MINOR = $(shell echo __GNUC_MINOR__ | $(CC) -E -x c - | tail -n 1)
GCC_PATCHLEVEL = $(shell echo __GNUC_PATCHLEVEL__ | $(CC) -E -x c - | tail -n 1)
GCC_VERSION = $(GCC_MAJOR)$(GCC_MINOR)

HOST_GCC_MAJOR = $(shell echo __GNUC__ | $(HOSTCC) -E -x c - | tail -n 1)
HOST_GCC_MINOR = $(shell echo __GNUC_MINOR__ | $(HOSTCC) -E -x c - | tail -n 1)
HOST_GCC_PATCHLEVEL = $(shell echo __GNUC_PATCHLEVEL__ | $(HOSTCC) -E -x c - | tail -n 1)
HOST_GCC_VERSION = $(HOST_GCC_MAJOR)$(HOST_GCC_MINOR)

LD_VERSION = $(shell $(LD) -v)
# disable AVX512F support for GCC & binutils 2.30 as a workaround for Bug 97
ifeq ($(CONFIG_RTE_ARCH_X86), y)
ifneq ($(filter 2.30%,$(LD_VERSION)),)
FORCE_DISABLE_AVX512 := y
# print warning only once for librte_eal
ifneq ($(filter %librte_eal,$(CURDIR)),)
$(warning AVX512 support disabled because of binutils 2.30. See Bug 97)
endif
endif
ifneq ($(filter 2.31%,$(LD_VERSION)),)
FORCE_DISABLE_AVX512 := y
# print warning only once for librte_eal
ifneq ($(filter %librte_eal,$(CURDIR)),)
$(warning AVX512 support disabled because of binutils 2.31. See Bug 249)
endif
endif
endif

# if GCC is older than 4.x
ifeq ($(shell test $(GCC_VERSION) -lt 40 && echo 1), 1)
	MACHINE_CFLAGS =
$(warning You are using GCC < 4.x. This is neither supported, nor tested.)


else
# GCC graceful degradation
# GCC 4.2.x - added support for generic target
# GCC 4.3.x - added support for core2, ssse3, sse4.1, sse4.2
# GCC 4.4.x - added support for avx, aes, pclmul
# GCC 4.5.x - added support for atom
# GCC 4.6.x - added support for corei7, corei7-avx
# GCC 4.7.x - added support for fsgsbase, rdrnd, f16c, core-avx-i, core-avx2
# GCC 4.9.x - added support for armv8-a+crc
#
	ifeq ($(shell test $(GCC_VERSION) -le 49 && echo 1), 1)
		MACHINE_CFLAGS := $(patsubst -march=armv8-a+crc,-march=armv8-a+crc -D__ARM_FEATURE_CRC32=1,$(MACHINE_CFLAGS))
		MACHINE_CFLAGS := $(patsubst -march=armv8-a+crc+crypto,-march=armv8-a+crc+crypto -D__ARM_FEATURE_CRC32=1,$(MACHINE_CFLAGS))
	endif
	ifeq ($(shell test $(GCC_VERSION) -le 47 && echo 1), 1)
		MACHINE_CFLAGS := $(patsubst -march=core-avx-i,-march=corei7-avx,$(MACHINE_CFLAGS))
		MACHINE_CFLAGS := $(patsubst -march=core-avx2,-march=core-avx2,$(MACHINE_CFLAGS))
	endif
	ifeq ($(shell test $(GCC_VERSION) -lt 46 && echo 1), 1)
		MACHINE_CFLAGS := $(patsubst -march=corei7-avx,-march=core2 -maes -mpclmul -mavx,$(MACHINE_CFLAGS))
		MACHINE_CFLAGS := $(patsubst -march=corei7,-march=core2 -maes -mpclmul,$(MACHINE_CFLAGS))
	endif
	ifeq ($(shell test $(GCC_VERSION) -lt 45 && echo 1), 1)
		MACHINE_CFLAGS := $(patsubst -march=atom,-march=core2 -mssse3,$(MACHINE_CFLAGS))
	endif
	ifeq ($(shell test $(GCC_VERSION) -lt 44 && echo 1), 1)
		MACHINE_CFLAGS := $(filter-out -mavx -mpclmul -maes,$(MACHINE_CFLAGS))
		ifneq ($(findstring SSE4_2, $(CPUFLAGS)),)
			MACHINE_CFLAGS += -msse4.2
		endif
		ifneq ($(findstring SSE4_1, $(CPUFLAGS)),)
			MACHINE_CFLAGS += -msse4.1
		endif
	endif
	ifeq ($(shell test $(GCC_VERSION) -lt 43 && echo 1), 1)
		MACHINE_CFLAGS := $(filter-out -msse% -mssse%,$(MACHINE_CFLAGS))
		MACHINE_CFLAGS := $(patsubst -march=core2,-march=generic,$(MACHINE_CFLAGS))
		MACHINE_CFLAGS += -msse3
	endif
	ifeq ($(shell test $(GCC_VERSION) -lt 42 && echo 1), 1)
		MACHINE_CFLAGS := $(filter-out -march% -mtune% -msse%,$(MACHINE_CFLAGS))
	endif

	# Disable thunderx PMD for gcc < 4.7
	ifeq ($(shell test $(GCC_VERSION) -lt 47 && echo 1), 1)
		CONFIG_RTE_LIBRTE_THUNDERX_NICVF_PMD=d
	endif

	# Disable OPDL PMD for gcc < 4.7
	ifeq ($(shell test $(GCC_VERSION) -lt 47 && echo 1), 1)
		CONFIG_RTE_LIBRTE_PMD_OPDL_EVENTDEV=d
	endif

	# Disable octeontx event PMD for gcc < 4.8.6 & ARCH=arm64
	ifeq ($(CONFIG_RTE_ARCH), arm64)
	ifeq ($(shell test $(GCC_VERSION)$(GCC_PATCHLEVEL) -lt 486 && echo 1), 1)
		CONFIG_RTE_LIBRTE_PMD_OCTEONTX_SSOVF=d
		CONFIG_RTE_LIBRTE_OCTEONTX_MEMPOOL=d
		CONFIG_RTE_LIBRTE_OCTEONTX_PMD=d
	endif
	endif

endif
Commit	Line	Data
11fdf7f2 TL	1	# SPDX-License-Identifier: BSD-3-Clause
11fdf7f2 TL	2	# Copyright(c) 2010-2014 Intel Corporation
7c673cae FG	3
	4	#
	5	# CPUID-related options
	6	#
	7	# This was added to support compiler versions which might not support all the
	8	# flags we need
	9	#
	10
	11	#find out GCC version
	12
	13	GCC_MAJOR = $(shell echo __GNUC__ \| $(CC) -E -x c - \| tail -n 1)
	14	GCC_MINOR = $(shell echo __GNUC_MINOR__ \| $(CC) -E -x c - \| tail -n 1)
11fdf7f2	15	GCC_PATCHLEVEL = $(shell echo __GNUC_PATCHLEVEL__ \| $(CC) -E -x c - \| tail -n 1)
7c673cae FG	16	GCC_VERSION = $(GCC_MAJOR)$(GCC_MINOR)
7c673cae FG	17
11fdf7f2 TL	18	HOST_GCC_MAJOR = $(shell echo __GNUC__ \| $(HOSTCC) -E -x c - \| tail -n 1)
	19	HOST_GCC_MINOR = $(shell echo __GNUC_MINOR__ \| $(HOSTCC) -E -x c - \| tail -n 1)
	20	HOST_GCC_PATCHLEVEL = $(shell echo __GNUC_PATCHLEVEL__ \| $(HOSTCC) -E -x c - \| tail -n 1)
	21	HOST_GCC_VERSION = $(HOST_GCC_MAJOR)$(HOST_GCC_MINOR)
	22
9f95a23c TL	23	LD_VERSION = $(shell $(LD) -v)
	24	# disable AVX512F support for GCC & binutils 2.30 as a workaround for Bug 97
	25	ifeq ($(CONFIG_RTE_ARCH_X86), y)
	26	ifneq ($(filter 2.30%,$(LD_VERSION)),)
	27	FORCE_DISABLE_AVX512 := y
	28	# print warning only once for librte_eal
	29	ifneq ($(filter %librte_eal,$(CURDIR)),)
	30	$(warning AVX512 support disabled because of binutils 2.30. See Bug 97)
	31	endif
	32	endif
	33	ifneq ($(filter 2.31%,$(LD_VERSION)),)
	34	FORCE_DISABLE_AVX512 := y
	35	# print warning only once for librte_eal
	36	ifneq ($(filter %librte_eal,$(CURDIR)),)
	37	$(warning AVX512 support disabled because of binutils 2.31. See Bug 249)
	38	endif
	39	endif
	40	endif
	41
7c673cae FG	42	# if GCC is older than 4.x
	43	ifeq ($(shell test $(GCC_VERSION) -lt 40 && echo 1), 1)
	44	MACHINE_CFLAGS =
	45	$(warning You are using GCC < 4.x. This is neither supported, nor tested.)
	46
	47
	48	else
	49	# GCC graceful degradation
	50	# GCC 4.2.x - added support for generic target
	51	# GCC 4.3.x - added support for core2, ssse3, sse4.1, sse4.2
	52	# GCC 4.4.x - added support for avx, aes, pclmul
	53	# GCC 4.5.x - added support for atom
	54	# GCC 4.6.x - added support for corei7, corei7-avx
	55	# GCC 4.7.x - added support for fsgsbase, rdrnd, f16c, core-avx-i, core-avx2
	56	# GCC 4.9.x - added support for armv8-a+crc
	57	#
	58	ifeq ($(shell test $(GCC_VERSION) -le 49 && echo 1), 1)
	59	MACHINE_CFLAGS := $(patsubst -march=armv8-a+crc,-march=armv8-a+crc -D__ARM_FEATURE_CRC32=1,$(MACHINE_CFLAGS))
11fdf7f2	60	MACHINE_CFLAGS := $(patsubst -march=armv8-a+crc+crypto,-march=armv8-a+crc+crypto -D__ARM_FEATURE_CRC32=1,$(MACHINE_CFLAGS))
7c673cae FG	61	endif
	62	ifeq ($(shell test $(GCC_VERSION) -le 47 && echo 1), 1)
	63	MACHINE_CFLAGS := $(patsubst -march=core-avx-i,-march=corei7-avx,$(MACHINE_CFLAGS))
	64	MACHINE_CFLAGS := $(patsubst -march=core-avx2,-march=core-avx2,$(MACHINE_CFLAGS))
	65	endif
	66	ifeq ($(shell test $(GCC_VERSION) -lt 46 && echo 1), 1)
	67	MACHINE_CFLAGS := $(patsubst -march=corei7-avx,-march=core2 -maes -mpclmul -mavx,$(MACHINE_CFLAGS))
	68	MACHINE_CFLAGS := $(patsubst -march=corei7,-march=core2 -maes -mpclmul,$(MACHINE_CFLAGS))
	69	endif
	70	ifeq ($(shell test $(GCC_VERSION) -lt 45 && echo 1), 1)
	71	MACHINE_CFLAGS := $(patsubst -march=atom,-march=core2 -mssse3,$(MACHINE_CFLAGS))
	72	endif
	73	ifeq ($(shell test $(GCC_VERSION) -lt 44 && echo 1), 1)
	74	MACHINE_CFLAGS := $(filter-out -mavx -mpclmul -maes,$(MACHINE_CFLAGS))
	75	ifneq ($(findstring SSE4_2, $(CPUFLAGS)),)
	76	MACHINE_CFLAGS += -msse4.2
	77	endif
	78	ifneq ($(findstring SSE4_1, $(CPUFLAGS)),)
	79	MACHINE_CFLAGS += -msse4.1
	80	endif
	81	endif
	82	ifeq ($(shell test $(GCC_VERSION) -lt 43 && echo 1), 1)
	83	MACHINE_CFLAGS := $(filter-out -msse% -mssse%,$(MACHINE_CFLAGS))
	84	MACHINE_CFLAGS := $(patsubst -march=core2,-march=generic,$(MACHINE_CFLAGS))
	85	MACHINE_CFLAGS += -msse3
	86	endif
	87	ifeq ($(shell test $(GCC_VERSION) -lt 42 && echo 1), 1)
	88	MACHINE_CFLAGS := $(filter-out -march% -mtune% -msse%,$(MACHINE_CFLAGS))
	89	endif
11fdf7f2 TL	90
	91	# Disable thunderx PMD for gcc < 4.7
	92	ifeq ($(shell test $(GCC_VERSION) -lt 47 && echo 1), 1)
	93	CONFIG_RTE_LIBRTE_THUNDERX_NICVF_PMD=d
	94	endif
	95
	96	# Disable OPDL PMD for gcc < 4.7
	97	ifeq ($(shell test $(GCC_VERSION) -lt 47 && echo 1), 1)
	98	CONFIG_RTE_LIBRTE_PMD_OPDL_EVENTDEV=d
	99	endif
	100
9f95a23c TL	101	# Disable octeontx event PMD for gcc < 4.8.6 & ARCH=arm64
9f95a23c TL	102	ifeq ($(CONFIG_RTE_ARCH), arm64)
11fdf7f2 TL	103	ifeq ($(shell test $(GCC_VERSION)$(GCC_PATCHLEVEL) -lt 486 && echo 1), 1)
	104	CONFIG_RTE_LIBRTE_PMD_OCTEONTX_SSOVF=d
	105	CONFIG_RTE_LIBRTE_OCTEONTX_MEMPOOL=d
	106	CONFIG_RTE_LIBRTE_OCTEONTX_PMD=d
	107	endif
9f95a23c	108	endif
11fdf7f2	109
7c673cae	110	endif