From 9ef6c6ec08b8ecd89a797fa6819b0c1d121e24d7 Mon Sep 17 00:00:00 2001 From: Richard Henderson Date: Mon, 19 Jul 2021 15:59:08 -1000 Subject: [PATCH] target/i386: Check CF_NO_GOTO_TB for dc->jmp_opt We were using singlestep_enabled as a proxy for whether translator_use_goto_tb would always return false. Signed-off-by: Richard Henderson --- target/i386/tcg/translate.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/target/i386/tcg/translate.c b/target/i386/tcg/translate.c index a46be75b00..c8d919bc3f 100644 --- a/target/i386/tcg/translate.c +++ b/target/i386/tcg/translate.c @@ -8556,6 +8556,7 @@ static void i386_tr_init_disas_context(DisasContextBase *dcbase, CPUState *cpu) DisasContext *dc = container_of(dcbase, DisasContext, base); CPUX86State *env = cpu->env_ptr; uint32_t flags = dc->base.tb->flags; + uint32_t cflags = tb_cflags(dc->base.tb); int cpl = (flags >> HF_CPL_SHIFT) & 3; int iopl = (flags >> IOPL_SHIFT) & 3; @@ -8593,14 +8594,14 @@ static void i386_tr_init_disas_context(DisasContextBase *dcbase, CPUState *cpu) dc->cpuid_ext3_features = env->features[FEAT_8000_0001_ECX]; dc->cpuid_7_0_ebx_features = env->features[FEAT_7_0_EBX]; dc->cpuid_xsave_features = env->features[FEAT_XSAVE]; - dc->jmp_opt = !(dc->base.singlestep_enabled || + dc->jmp_opt = !((cflags & CF_NO_GOTO_TB) || (flags & (HF_TF_MASK | HF_INHIBIT_IRQ_MASK))); /* * If jmp_opt, we want to handle each string instruction individually. * For icount also disable repz optimization so that each iteration * is accounted separately. */ - dc->repz_opt = !dc->jmp_opt && !(tb_cflags(dc->base.tb) & CF_USE_ICOUNT); + dc->repz_opt = !dc->jmp_opt && !(cflags & CF_USE_ICOUNT); dc->T0 = tcg_temp_new(); dc->T1 = tcg_temp_new();