[PATCH 2/5] powerpc64/bpf: jit support for unconditional byte swap

[Artem Savkov]

Add jit support for unconditional byte swap. Tested using BSWAP tests
from test_bpf module.

Signed-off-by: Artem Savkov <asav...@redhat.com>
---
 arch/powerpc/net/bpf_jit_comp64.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/arch/powerpc/net/bpf_jit_comp64.c 
b/arch/powerpc/net/bpf_jit_comp64.c
index 3071205782b15..97191cf091bbf 100644
--- a/arch/powerpc/net/bpf_jit_comp64.c
+++ b/arch/powerpc/net/bpf_jit_comp64.c
@@ -699,11 +699,12 @@ int bpf_jit_build_body(struct bpf_prog *fp, u32 *image, 
u32 *fimage, struct code
                 */
                case BPF_ALU | BPF_END | BPF_FROM_LE:
                case BPF_ALU | BPF_END | BPF_FROM_BE:
+               case BPF_ALU64 | BPF_END | BPF_FROM_LE:
 #ifdef __BIG_ENDIAN__
                        if (BPF_SRC(code) == BPF_FROM_BE)
                                goto emit_clear;
 #else /* !__BIG_ENDIAN__ */
-                       if (BPF_SRC(code) == BPF_FROM_LE)
+                       if (BPF_CLASS(code) == BPF_ALU && BPF_SRC(code) == 
BPF_FROM_LE)
                                goto emit_clear;
 #endif
                        switch (imm) {
-- 
2.45.0