diff options
Diffstat (limited to 'exec-all.h')
-rw-r--r-- | exec-all.h | 6 |
1 files changed, 6 insertions, 0 deletions
@@ -36,6 +36,12 @@ struct TranslationBlock; #define OPC_BUF_SIZE 512 #define OPC_MAX_SIZE (OPC_BUF_SIZE - MAX_OP_PER_INSTR) +/* Maximum size a TCG op can expand to. This is complicated because a + single op may require several host instructions and regirster reloads. + For now take a wild guess at 128 bytes, which should allow at least + a couple of fixup instructions per argument. */ +#define TCG_MAX_OP_SIZE 128 + #define OPPARAM_BUF_SIZE (OPC_BUF_SIZE * MAX_OPC_PARAM) extern target_ulong gen_opc_pc[OPC_BUF_SIZE]; |