diff options
Diffstat (limited to 'target-arm')
| -rw-r--r-- | target-arm/translate.c | 19 |
1 files changed, 10 insertions, 9 deletions
diff --git a/target-arm/translate.c b/target-arm/translate.c index 15239d1..45dd237 100644 --- a/target-arm/translate.c +++ b/target-arm/translate.c @@ -58,6 +58,7 @@ typedef struct DisasContext { /* Thumb-2 condtional execution bits. */ int condexec_mask; int condexec_cond; + int condexec_mask_prev; /* mask at start of instruction/block */ struct TranslationBlock *tb; int singlestep_enabled; int thumb; @@ -3515,6 +3516,11 @@ gen_set_condexec (DisasContext *s) tcg_gen_movi_i32(tmp, val); store_cpu_field(tmp, condexec_bits); } + else if (s->condexec_mask_prev != 0) { + TCGv tmp = new_tmp(); + tcg_gen_movi_i32(tmp, 0); + store_cpu_field(tmp, condexec_bits); + } } static void gen_nop_hint(DisasContext *s, int val) @@ -8789,6 +8795,7 @@ static inline void gen_intermediate_code_internal(CPUState *env, dc->condjmp = 0; dc->thumb = env->thumb; dc->condexec_mask = (env->condexec_bits & 0xf) << 1; + dc->condexec_mask_prev = dc->condexec_mask; dc->condexec_cond = env->condexec_bits >> 4; #if !defined(CONFIG_USER_ONLY) if (IS_M(env)) { @@ -8813,14 +8820,6 @@ static inline void gen_intermediate_code_internal(CPUState *env, max_insns = CF_COUNT_MASK; gen_icount_start(); - /* Reset the conditional execution bits immediately. This avoids - complications trying to do it at the end of the block. */ - if (env->condexec_bits) - { - TCGv tmp = new_tmp(); - tcg_gen_movi_i32(tmp, 0); - store_cpu_field(tmp, condexec_bits); - } #ifdef CONFIG_TRACE if (tracing) { gen_helper_traceBB(trace_static.bb_num, (target_phys_addr_t)tb ); @@ -8880,6 +8879,7 @@ static inline void gen_intermediate_code_internal(CPUState *env, if (env->thumb) { disas_thumb_insn(env, dc); + dc->condexec_mask_prev = dc->condexec_mask; if (dc->condexec_mask) { dc->condexec_cond = (dc->condexec_cond & 0xe) | ((dc->condexec_mask >> 4) & 1); @@ -8892,7 +8892,8 @@ static inline void gen_intermediate_code_internal(CPUState *env, disas_arm_insn(env, dc); } if (num_temps) { - fprintf(stderr, "Internal resource leak before %08x\n", dc->pc); + fprintf(stderr, "Internal resource leak before %08x (%d temps)\n", dc->pc, num_temps); + tcg_dump_ops(&tcg_ctx, stderr); num_temps = 0; } |