Add TCG optimizations stub

Added file tcg/optimize.c to hold TCG optimizations. Function tcg_optimize
is called from tcg_gen_code_common. It calls other functions performing
specific optimizations. Stub for constant folding was added.

Signed-off-by: Kirill Batuzov <batuzovk@ispras.ru>
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>

1 files changed, 3 insertions, 0 deletions

diff --git a/tcg/tcg.h b/tcg/tcg.h
index a2dd8b892a..e76f9afecc 100644
--- a/tcg/tcg.h
+++ b/tcg/tcg.h
@@ -502,6 +502,9 @@ void tcg_gen_callN(TCGContext *s, TCGv_ptr func, unsigned int flags,
 void tcg_gen_shifti_i64(TCGv_i64 ret, TCGv_i64 arg1,
                         int c, int right, int arith);
 
+TCGArg *tcg_optimize(TCGContext *s, uint16_t *tcg_opc_ptr, TCGArg *args,
+                     TCGOpDef *tcg_op_def);
+
 /* only used for debugging purposes */
 void tcg_register_helper(void *func, const char *name);
 const char *tcg_helper_get_name(TCGContext *s, void *func);