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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>
This commit is contained in:
Filip Navara 2010-03-26 16:06:28 +00:00 committed by Aurelien Jarno
parent 3e1f46eaa4
commit efc0a51434
2 changed files with 1 additions and 8 deletions
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5
exec-all.h
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@ -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

4
translate-all.c
View File

@ -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;