From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001 From: Paolo Bonzini Date: Fri, 24 May 2024 17:17:47 +0200 Subject: [PATCH] target/i386: disable jmp_opt if EFLAGS.RF is 1 If EFLAGS.RF is 1, special processing in gen_eob_worker() is needed and therefore goto_tb cannot be used. Suggested-by: Richard Henderson Reviewed-by: Richard Henderson Cc: qemu-stable@nongnu.org Signed-off-by: Paolo Bonzini (cherry picked from commit 8225bff7c5db504f50e54ef66b079854635dba70) Signed-off-by: Fiona Ebner --- target/i386/tcg/translate.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/target/i386/tcg/translate.c b/target/i386/tcg/translate.c index b5ebff2c89..c2c5e73b3f 100644 --- a/target/i386/tcg/translate.c +++ b/target/i386/tcg/translate.c @@ -6971,7 +6971,7 @@ static void i386_tr_init_disas_context(DisasContextBase *dcbase, CPUState *cpu) dc->cpuid_7_1_eax_features = env->features[FEAT_7_1_EAX]; dc->cpuid_xsave_features = env->features[FEAT_XSAVE]; dc->jmp_opt = !((cflags & CF_NO_GOTO_TB) || - (flags & (HF_TF_MASK | HF_INHIBIT_IRQ_MASK))); + (flags & (HF_RF_MASK | 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