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-rw-r--r--arch/powerpc/net/bpf_jit.h13
1 files changed, 10 insertions, 3 deletions
diff --git a/arch/powerpc/net/bpf_jit.h b/arch/powerpc/net/bpf_jit.h
index 889fd199a821..a9882db9ecaa 100644
--- a/arch/powerpc/net/bpf_jit.h
+++ b/arch/powerpc/net/bpf_jit.h
@@ -232,10 +232,17 @@ DECLARE_LOAD_FUNC(sk_load_byte_msh);
(((cond) & 0x3ff) << 16) | \
(((dest) - (ctx->idx * 4)) & \
0xfffc))
-#define PPC_LI32(d, i) do { PPC_LI(d, IMM_L(i)); \
- if ((u32)(uintptr_t)(i) >= 32768) { \
- PPC_ADDIS(d, d, IMM_HA(i)); \
+/* Sign-extended 32-bit immediate load */
+#define PPC_LI32(d, i) do { \
+ if ((int)(uintptr_t)(i) >= -32768 && \
+ (int)(uintptr_t)(i) < 32768) \
+ PPC_LI(d, i); \
+ else { \
+ PPC_LIS(d, IMM_H(i)); \
+ if (IMM_L(i)) \
+ PPC_ORI(d, d, IMM_L(i)); \
} } while(0)
+
#define PPC_LI64(d, i) do { \
if (!((uintptr_t)(i) & 0xffffffff00000000ULL)) \
PPC_LI32(d, i); \