[Qemu-devel] [PATCH 07/48] Shrink tb_jmp_offset to two entries, the other two are never used.

[Riku Voipio]

From: Filip Navara <address@hidden>

Signed-Off-By: Riku Voipio <address@hidden>
Signed-off-by: Filip Navara <address@hidden>
---
 exec-all.h      |    5 +----
 translate-all.c |    4 ----
 2 files changed, 1 insertions(+), 8 deletions(-)

diff --git a/exec-all.h b/exec-all.h
index 37da2f5..b9f0294 100644
--- 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 8ef8a0b..8c3f666 100644
--- a/translate-all.c
+++ b/translate-all.c
@@ -103,10 +103,6 @@ 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;
-- 
1.6.5