Shrink tb_jmp_offset to two entries, the other two are never used.

Signed-Off-By: Riku Voipio <riku.voipio@nokia.com>
Signed-off-by: Filip Navara <filip.navara@gmail.com>
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>

diff --git a/exec-all.h b/exec-all.h
index ff3b240..158ecfd 100644 (file)
--- a/exec-all.h
+++ b/exec-all.h
@@ -143,7 +143,7 @@ struct TranslationBlock {
        the code of this one. */
     uint16_t tb_next_offset[2]; /* offset of original jump target */
 #ifdef USE_DIRECT_JUMP
-    uint16_t tb_jmp_offset[4]; /* offset of jump instruction */
+    uint16_t tb_jmp_offset[2]; /* offset of jump instruction */
 #else
     unsigned long tb_next[2]; /* address of jump generated code */
 #endif
@@ -234,9 +234,6 @@ static inline void tb_set_jmp_target(TranslationBlock *tb,
 
     offset = tb->tb_jmp_offset[n];
     tb_set_jmp_target1((unsigned long)(tb->tc_ptr + offset), addr);
-    offset = tb->tb_jmp_offset[n + 2];
-    if (offset != 0xffff)
-        tb_set_jmp_target1((unsigned long)(tb->tc_ptr + offset), addr);
 }
 
 #else

diff --git a/translate-all.c b/translate-all.c
index 6f8136b..89fcbd6 100644 (file)
--- a/translate-all.c
+++ b/translate-all.c
@@ -104,10 +104,6 @@ int cpu_gen_code(CPUState *env, TranslationBlock *tb, int *gen_code_size_ptr)
 #ifdef USE_DIRECT_JUMP
     s->tb_jmp_offset = tb->tb_jmp_offset;
     s->tb_next = NULL;
-    /* the following two entries are optional (only used for string ops) */
-    /* XXX: not used ? */
-    tb->tb_jmp_offset[2] = 0xffff;
-    tb->tb_jmp_offset[3] = 0xffff;
 #else
     s->tb_jmp_offset = NULL;
     s->tb_next = tb->tb_next;