tcg: increase TCG_MAX_OP_SIZE to 192

This is needed on a MIPS host and a 64-bit cross-endian target.
Signed-off-by: NAurelien Jarno <aurelien@aurel32.net>

exec-all.h

@@ -41,10 +41,10 @@ typedef struct TranslationBlock TranslationBlock;
 #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
+   single op may require several host instructions and register reloads.
+   For now take a wild guess at 192 bytes, which should allow at least
    a couple of fixup instructions per argument.  */
-#define TCG_MAX_OP_SIZE 128
+#define TCG_MAX_OP_SIZE 192
 
 #define OPPARAM_BUF_SIZE (OPC_BUF_SIZE * MAX_OPC_PARAM)