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Diffstat (limited to 'accel/tcg/translate-all.c')
-rw-r--r--accel/tcg/translate-all.c15
1 files changed, 13 insertions, 2 deletions
diff --git a/accel/tcg/translate-all.c b/accel/tcg/translate-all.c
index 75a6cf49f1..39532fd44c 100644
--- a/accel/tcg/translate-all.c
+++ b/accel/tcg/translate-all.c
@@ -1674,7 +1674,7 @@ TranslationBlock *tb_gen_code(CPUState *cpu,
tb_page_addr_t phys_pc, phys_page2;
target_ulong virt_page2;
tcg_insn_unit *gen_code_buf;
- int gen_code_size, search_size;
+ int gen_code_size, search_size, max_insns;
#ifdef CONFIG_PROFILER
TCGProfile *prof = &tcg_ctx->prof;
int64_t ti;
@@ -1692,6 +1692,17 @@ TranslationBlock *tb_gen_code(CPUState *cpu,
cflags &= ~CF_CLUSTER_MASK;
cflags |= cpu->cluster_index << CF_CLUSTER_SHIFT;
+ max_insns = cflags & CF_COUNT_MASK;
+ if (max_insns == 0) {
+ max_insns = CF_COUNT_MASK;
+ }
+ if (max_insns > TCG_MAX_INSNS) {
+ max_insns = TCG_MAX_INSNS;
+ }
+ if (cpu->singlestep_enabled || singlestep) {
+ max_insns = 1;
+ }
+
buffer_overflow:
tb = tb_alloc(pc);
if (unlikely(!tb)) {
@@ -1721,7 +1732,7 @@ TranslationBlock *tb_gen_code(CPUState *cpu,
tcg_func_start(tcg_ctx);
tcg_ctx->cpu = ENV_GET_CPU(env);
- gen_intermediate_code(cpu, tb);
+ gen_intermediate_code(cpu, tb, max_insns);
tcg_ctx->cpu = NULL;
trace_translate_block(tb, tb->pc, tb->tc.ptr);