diff options
Diffstat (limited to 'target-sh4/translate.c')
-rw-r--r-- | target-sh4/translate.c | 21 |
1 files changed, 15 insertions, 6 deletions
diff --git a/target-sh4/translate.c b/target-sh4/translate.c index 7c189680a7..53f782c054 100644 --- a/target-sh4/translate.c +++ b/target-sh4/translate.c @@ -205,17 +205,26 @@ static void gen_write_sr(TCGv src) tcg_gen_andi_i32(cpu_sr_t, cpu_sr_t, 1); } -static void gen_goto_tb(DisasContext * ctx, int n, target_ulong dest) +static inline bool use_goto_tb(DisasContext *ctx, target_ulong dest) { - TranslationBlock *tb; - tb = ctx->tb; + if (unlikely(ctx->singlestep_enabled)) { + return false; + } + +#ifndef CONFIG_USER_ONLY + return (ctx->tb->pc & TARGET_PAGE_MASK) == (dest & TARGET_PAGE_MASK); +#else + return true; +#endif +} - if ((tb->pc & TARGET_PAGE_MASK) == (dest & TARGET_PAGE_MASK) && - !ctx->singlestep_enabled) { +static void gen_goto_tb(DisasContext *ctx, int n, target_ulong dest) +{ + if (use_goto_tb(ctx, dest)) { /* Use a direct jump if in same page and singlestep not enabled */ tcg_gen_goto_tb(n); tcg_gen_movi_i32(cpu_pc, dest); - tcg_gen_exit_tb((uintptr_t)tb + n); + tcg_gen_exit_tb((uintptr_t)ctx->tb + n); } else { tcg_gen_movi_i32(cpu_pc, dest); if (ctx->singlestep_enabled) |