diff options
| author | pbrook <pbrook@c046a42c-6fe2-441c-8c8c-71466251a162> | 2006-11-12 20:40:55 +0000 |
|---|---|---|
| committer | pbrook <pbrook@c046a42c-6fe2-441c-8c8c-71466251a162> | 2006-11-12 20:40:55 +0000 |
| commit | b362e5e067835d04ddde5fb1277272d4b498b970 (patch) | |
| tree | 9e83ced7a49e4151d09d1965075ebe55bff6a55a /exec-all.h | |
| parent | d08b2a28e6d71c561b84878b84e52159a63a27cc (diff) | |
Speed up tlb_flush_page (Daniel Jacobowitz).
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@2210 c046a42c-6fe2-441c-8c8c-71466251a162
Diffstat (limited to 'exec-all.h')
| -rw-r--r-- | exec-all.h | 12 |
1 files changed, 11 insertions, 1 deletions
diff --git a/exec-all.h b/exec-all.h index b598948e3..82ef3acdc 100644 --- a/exec-all.h +++ b/exec-all.h @@ -196,9 +196,19 @@ typedef struct TranslationBlock { struct TranslationBlock *jmp_first; } TranslationBlock; +static inline unsigned int tb_jmp_cache_hash_page(target_ulong pc) +{ + target_ulong tmp; + tmp = pc ^ (pc >> (TARGET_PAGE_BITS - TB_JMP_PAGE_BITS)); + return (tmp >> TB_JMP_PAGE_BITS) & TB_JMP_PAGE_MASK; +} + static inline unsigned int tb_jmp_cache_hash_func(target_ulong pc) { - return (pc ^ (pc >> TB_JMP_CACHE_BITS)) & (TB_JMP_CACHE_SIZE - 1); + target_ulong tmp; + tmp = pc ^ (pc >> (TARGET_PAGE_BITS - TB_JMP_PAGE_BITS)); + return (((tmp >> TB_JMP_PAGE_BITS) & TB_JMP_PAGE_MASK) | + (tmp & TB_JMP_ADDR_MASK)); } static inline unsigned int tb_phys_hash_func(unsigned long pc) |