Commit f956dc81 authored by Ard Biesheuvel's avatar Ard Biesheuvel Committed by Eric Biggers
Browse files

lib/crc: arm64: Use existing macros for kernel-mode FPU cflags 



Use the existing CC_FPU_CFLAGS and CC_NO_FPU_CFLAGS to pass the
appropriate compiler command line options for building kernel mode NEON
intrinsics code. This is tidier, and will make it easier to reuse the
code for 32-bit ARM.

Signed-off-by: default avatarArd Biesheuvel <ardb@kernel.org>
Link: https://lore.kernel.org/r/20260330144630.33026-9-ardb@kernel.org


Signed-off-by: default avatarEric Biggers <ebiggers@kernel.org>
parent e0718ed6

lib/crc/Makefile

+2 −3
Original line number Diff line number Diff line
@@ -39,9 +39,8 @@ crc64-y := crc64-main.o 
ifeq ($(CONFIG_CRC64_ARCH),y)

CFLAGS_crc64-main.o += -I$(src)/$(SRCARCH)



CFLAGS_REMOVE_arm64/crc64-neon-inner.o += -mgeneral-regs-only

CFLAGS_arm64/crc64-neon-inner.o += -ffreestanding -march=armv8-a+crypto

CFLAGS_arm64/crc64-neon-inner.o += -isystem $(shell $(CC) -print-file-name=include)

CFLAGS_REMOVE_arm64/crc64-neon-inner.o += $(CC_FLAGS_NO_FPU)

CFLAGS_arm64/crc64-neon-inner.o += $(CC_FLAGS_FPU) -march=armv8-a+crypto

crc64-$(CONFIG_ARM64) += arm64/crc64-neon-inner.o



crc64-$(CONFIG_RISCV) += riscv/crc64_lsb.o riscv/crc64_msb.o