diff options
| author | bellard <bellard@c046a42c-6fe2-441c-8c8c-71466251a162> | 2005-12-19 01:42:32 +0000 |
|---|---|---|
| committer | bellard <bellard@c046a42c-6fe2-441c-8c8c-71466251a162> | 2005-12-19 01:42:32 +0000 |
| commit | 1538800276aa7228d74f9d00bf275f54dc9e9b43 (patch) | |
| tree | 12853df95973a7593d5bc88462f6638a536d3e53 /cpu-exec.c | |
| parent | 6a36d84e1024ce41860751b449727f4ddca91aa2 (diff) | |
| download | qemu-1538800276aa7228d74f9d00bf275f54dc9e9b43.tar.gz | |
workaround for gcc bug on PowerPC
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@1726 c046a42c-6fe2-441c-8c8c-71466251a162
Diffstat (limited to 'cpu-exec.c')
| -rw-r--r-- | cpu-exec.c | 16 |
1 files changed, 9 insertions, 7 deletions
diff --git a/cpu-exec.c b/cpu-exec.c index 740037e4bb..1ec49c2d6a 100644 --- a/cpu-exec.c +++ b/cpu-exec.c @@ -126,7 +126,7 @@ static TranslationBlock *tb_find_slow(target_ulong pc, /* cannot fail at this point */ tb = tb_alloc(pc); /* don't forget to invalidate previous TB info */ - T0 = 0; + tb_invalidated_flag = 1; } tc_ptr = code_gen_ptr; tb->tc_ptr = tc_ptr; @@ -144,12 +144,6 @@ static TranslationBlock *tb_find_slow(target_ulong pc, tb_link_phys(tb, phys_pc, phys_page2); found: - if (tb_invalidated_flag) { - /* as some TB could have been invalidated because - of memory exceptions while generating the code, we - must recompute the hash index here */ - T0 = 0; - } /* we add the TB in the virtual pc hash table */ env->tb_jmp_cache[tb_jmp_cache_hash_func(pc)] = tb; spin_unlock(&tb_lock); @@ -201,6 +195,14 @@ static inline TranslationBlock *tb_find_fast(void) if (__builtin_expect(!tb || tb->pc != pc || tb->cs_base != cs_base || tb->flags != flags, 0)) { tb = tb_find_slow(pc, cs_base, flags); + /* Note: we do it here to avoid a gcc bug on Mac OS X when + doing it in tb_find_slow */ + if (tb_invalidated_flag) { + /* as some TB could have been invalidated because + of memory exceptions while generating the code, we + must recompute the hash index here */ + T0 = 0; + } } return tb; } |