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b089ea3cc3
Drop Itanium support from the RAID6 code, and along with it, the 16x and 32x unrolled versions, which were only used by IA64. Signed-off-by: Ard Biesheuvel <ardb@kernel.org>
96 lines
3.4 KiB
Makefile
96 lines
3.4 KiB
Makefile
# SPDX-License-Identifier: GPL-2.0
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obj-$(CONFIG_RAID6_PQ) += raid6_pq.o
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raid6_pq-y += algos.o recov.o tables.o int1.o int2.o int4.o \
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int8.o
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raid6_pq-$(CONFIG_X86) += recov_ssse3.o recov_avx2.o mmx.o sse1.o sse2.o avx2.o avx512.o recov_avx512.o
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raid6_pq-$(CONFIG_ALTIVEC) += altivec1.o altivec2.o altivec4.o altivec8.o \
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vpermxor1.o vpermxor2.o vpermxor4.o vpermxor8.o
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raid6_pq-$(CONFIG_KERNEL_MODE_NEON) += neon.o neon1.o neon2.o neon4.o neon8.o recov_neon.o recov_neon_inner.o
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raid6_pq-$(CONFIG_S390) += s390vx8.o recov_s390xc.o
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raid6_pq-$(CONFIG_LOONGARCH) += loongarch_simd.o recov_loongarch_simd.o
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hostprogs += mktables
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ifeq ($(CONFIG_ALTIVEC),y)
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altivec_flags := -maltivec $(call cc-option,-mabi=altivec)
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# Enable <altivec.h>
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altivec_flags += -isystem $(shell $(CC) -print-file-name=include)
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ifdef CONFIG_CC_IS_CLANG
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# clang ppc port does not yet support -maltivec when -msoft-float is
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# enabled. A future release of clang will resolve this
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# https://bugs.llvm.org/show_bug.cgi?id=31177
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CFLAGS_REMOVE_altivec1.o += -msoft-float
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CFLAGS_REMOVE_altivec2.o += -msoft-float
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CFLAGS_REMOVE_altivec4.o += -msoft-float
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CFLAGS_REMOVE_altivec8.o += -msoft-float
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CFLAGS_REMOVE_vpermxor1.o += -msoft-float
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CFLAGS_REMOVE_vpermxor2.o += -msoft-float
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CFLAGS_REMOVE_vpermxor4.o += -msoft-float
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CFLAGS_REMOVE_vpermxor8.o += -msoft-float
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endif
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endif
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# The GCC option -ffreestanding is required in order to compile code containing
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# ARM/NEON intrinsics in a non C99-compliant environment (such as the kernel)
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ifeq ($(CONFIG_KERNEL_MODE_NEON),y)
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NEON_FLAGS := -ffreestanding
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# Enable <arm_neon.h>
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NEON_FLAGS += -isystem $(shell $(CC) -print-file-name=include)
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ifeq ($(ARCH),arm)
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NEON_FLAGS += -march=armv7-a -mfloat-abi=softfp -mfpu=neon
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endif
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CFLAGS_recov_neon_inner.o += $(NEON_FLAGS)
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ifeq ($(ARCH),arm64)
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CFLAGS_REMOVE_recov_neon_inner.o += -mgeneral-regs-only
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CFLAGS_REMOVE_neon1.o += -mgeneral-regs-only
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CFLAGS_REMOVE_neon2.o += -mgeneral-regs-only
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CFLAGS_REMOVE_neon4.o += -mgeneral-regs-only
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CFLAGS_REMOVE_neon8.o += -mgeneral-regs-only
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endif
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endif
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quiet_cmd_unroll = UNROLL $@
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cmd_unroll = $(AWK) -v N=$* -f $(srctree)/$(src)/unroll.awk < $< > $@
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targets += int1.c int2.c int4.c int8.c
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$(obj)/int%.c: $(src)/int.uc $(src)/unroll.awk FORCE
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$(call if_changed,unroll)
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CFLAGS_altivec1.o += $(altivec_flags)
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CFLAGS_altivec2.o += $(altivec_flags)
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CFLAGS_altivec4.o += $(altivec_flags)
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CFLAGS_altivec8.o += $(altivec_flags)
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targets += altivec1.c altivec2.c altivec4.c altivec8.c
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$(obj)/altivec%.c: $(src)/altivec.uc $(src)/unroll.awk FORCE
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$(call if_changed,unroll)
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CFLAGS_vpermxor1.o += $(altivec_flags)
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CFLAGS_vpermxor2.o += $(altivec_flags)
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CFLAGS_vpermxor4.o += $(altivec_flags)
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CFLAGS_vpermxor8.o += $(altivec_flags)
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targets += vpermxor1.c vpermxor2.c vpermxor4.c vpermxor8.c
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$(obj)/vpermxor%.c: $(src)/vpermxor.uc $(src)/unroll.awk FORCE
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$(call if_changed,unroll)
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CFLAGS_neon1.o += $(NEON_FLAGS)
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CFLAGS_neon2.o += $(NEON_FLAGS)
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CFLAGS_neon4.o += $(NEON_FLAGS)
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CFLAGS_neon8.o += $(NEON_FLAGS)
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targets += neon1.c neon2.c neon4.c neon8.c
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$(obj)/neon%.c: $(src)/neon.uc $(src)/unroll.awk FORCE
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$(call if_changed,unroll)
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targets += s390vx8.c
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$(obj)/s390vx%.c: $(src)/s390vx.uc $(src)/unroll.awk FORCE
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$(call if_changed,unroll)
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quiet_cmd_mktable = TABLE $@
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cmd_mktable = $(obj)/mktables > $@
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targets += tables.c
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$(obj)/tables.c: $(obj)/mktables FORCE
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$(call if_changed,mktable)
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