Commit 4ebf9216 authored by Hengqi Chen's avatar Hengqi Chen Committed by Huacai Chen
Browse files

LoongArch: BPF: Support unconditional bswap instructions 



Add support for unconditional bswap instruction. Since LoongArch is
always little-endian, just treat unconditional bswap the same as big-
endian conversion.

Signed-off-by: default avatarHengqi Chen <hengqi.chen@gmail.com>
Signed-off-by: default avatarHuacai Chen <chenhuacai@loongson.cn>
parent f48012f1

arch/loongarch/net/bpf_jit.c

+1 −0
Original line number Diff line number Diff line
@@ -731,6 +731,7 @@ static int build_insn(const struct bpf_insn *insn, struct jit_ctx *ctx, bool ext 
		break;



	case BPF_ALU | BPF_END | BPF_FROM_BE:

	case BPF_ALU64 | BPF_END | BPF_FROM_LE:

		switch (imm) {

		case 16:

			emit_insn(ctx, revb2h, dst, dst);