bpf, arm: Remove unused function emit_a32_alu_r()

Since commit b18bea2a45b1 ("ARM: net: bpf: improve 64-bit ALU implementation")
this is unused anymore, so can remove it.

Signed-off-by: YueHaibing <yuehaibing@huawei.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Link: https://lore.kernel.org/bpf/20220611040904.8976-1-yuehaibing@huawei.com

diff --git a/arch/arm/net/bpf_jit_32.c b/arch/arm/net/bpf_jit_32.c
index 9e45715..6a1c9fc 100644 (file)
--- a/arch/arm/net/bpf_jit_32.c
+++ b/arch/arm/net/bpf_jit_32.c
@@ -712,22 +712,6 @@ static inline void emit_alu_r(const u8 dst, const u8 src, const bool is64,
        }
 }
 
-/* ALU operation (32 bit)
- * dst = dst (op) src
- */
-static inline void emit_a32_alu_r(const s8 dst, const s8 src,
-                                 struct jit_ctx *ctx, const bool is64,
-                                 const bool hi, const u8 op) {
-       const s8 *tmp = bpf2a32[TMP_REG_1];
-       s8 rn, rd;
-
-       rn = arm_bpf_get_reg32(src, tmp[1], ctx);
-       rd = arm_bpf_get_reg32(dst, tmp[0], ctx);
-       /* ALU operation */
-       emit_alu_r(rd, rn, is64, hi, op, ctx);
-       arm_bpf_put_reg32(dst, rd, ctx);
-}
-
 /* ALU operation (64 bit) */
 static inline void emit_a32_alu_r64(const bool is64, const s8 dst[],
                                  const s8 src[], struct jit_ctx *ctx,