TCG op size estimation fix.

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@4154 c046a42c-6fe2-441c-8c8c-71466251a162
This commit is contained in:
pbrook 2008-03-31 17:07:36 +00:00
parent 663715fbe2
commit a208e54a2f
3 changed files with 10 additions and 0 deletions

View file

@ -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];