Because PPC32 will use more non volatile registers,
move SEEN_ flags to positions 0-2 which corresponds to special
registers.
Signed-off-by: Christophe Leroy <christophe.leroy@xxxxxxxxxx>
---
arch/powerpc/net/bpf_jit.h | 10 +++++-----
1 file changed, 5 insertions(+), 5 deletions(-)
diff --git a/arch/powerpc/net/bpf_jit.h b/arch/powerpc/net/bpf_jit.h
index b34abfce15a6..fb4656986fb9 100644
--- a/arch/powerpc/net/bpf_jit.h
+++ b/arch/powerpc/net/bpf_jit.h
@@ -108,18 +108,18 @@ static inline bool is_nearbranch(int offset)
#define COND_LT (CR0_LT | COND_CMP_TRUE)
#define COND_LE (CR0_GT | COND_CMP_FALSE)
-#define SEEN_FUNC 0x1000 /* might call external helpers */
-#define SEEN_STACK 0x2000 /* uses BPF stack */
-#define SEEN_TAILCALL 0x4000 /* uses tail calls */
+#define SEEN_FUNC 0x20000000 /* might call external helpers */
+#define SEEN_STACK 0x40000000 /* uses BPF stack */
+#define SEEN_TAILCALL 0x80000000 /* uses tail calls */
struct codegen_context {
/*
* This is used to track register usage as well
* as calls to external helpers.
* - register usage is tracked with corresponding
- * bits (r3-r10 and r27-r31)
+ * bits (r3-r31)
* - rest of the bits can be used to track other
- * things -- for now, we use bits 16 to 23
+ * things -- for now, we use bits 0 to 2
* encoded in SEEN_* macros above
*/
unsigned int seen;
--
2.25.0
