X-Git-Url: http://git.maemo.org/git/?a=blobdiff_plain;f=tcg%2Ftcg.h;h=35e6aeb6f55b6a49b18d71d221fe8fbd1576fb78;hb=refs%2Fheads%2Flinux-user-for-upstream;hp=1ffeca6e6f962174bfe71aebb5bf0a6e2ab5dc47;hpb=43e860ef0989ac152854ad5775295e86656bdf4e;p=qemu

diff --git a/tcg/tcg.h b/tcg/tcg.h
index 1ffeca6..35e6aeb 100644
--- a/tcg/tcg.h
+++ b/tcg/tcg.h
@@ -21,6 +21,7 @@
  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
  * THE SOFTWARE.
  */
+#include "qemu-common.h"
 #include "tcg-target.h"
 
 #if TCG_TARGET_REG_BITS == 32
@@ -120,7 +121,9 @@ typedef tcg_target_ulong TCGArg;
    are aliases for target_ulong and host pointer sized values respectively.
  */
 
-//#define DEBUG_TCGV 1
+#ifdef CONFIG_DEBUG_TCG
+#define DEBUG_TCGV 1
+#endif
 
 #ifdef DEBUG_TCGV
 
@@ -174,10 +177,14 @@ typedef int TCGv_i64;
 #define TCG_CALL_TYPE_REGPARM_1 0x0001 /* i386 style regparm call (1 reg) */
 #define TCG_CALL_TYPE_REGPARM_2 0x0002 /* i386 style regparm call (2 regs) */
 #define TCG_CALL_TYPE_REGPARM   0x0003 /* i386 style regparm call (3 regs) */
-/* A pure function only reads its arguments and globals variables and
-   cannot raise exceptions. Hence a call to a pure function can be
+/* A pure function only reads its arguments and TCG global variables
+   and cannot raise exceptions. Hence a call to a pure function can be
    safely suppressed if the return value is not used. */
 #define TCG_CALL_PURE           0x0010 
+/* A const function only reads its arguments and does not use TCG
+   global variables. Hence a call to such a function does not
+   save TCG global variables back to their canonical location. */
+#define TCG_CALL_CONST          0x0020
 
 /* used to align parameters */
 #define TCG_CALL_DUMMY_TCGV     MAKE_TCGV_I32(-1)