From: Paolo Bonzini Date: Fri, 24 May 2024 15:17:47 +0000 (+0200) Subject: target/i386: disable jmp_opt if EFLAGS.RF is 1 X-Git-Tag: v9.1.0-rc0~95^2~22 X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=8225bff7c5db504f50e54ef66b079854635dba70;p=thirdparty%2Fqemu.git 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 --- diff --git a/target/i386/tcg/translate.c b/target/i386/tcg/translate.c index 76be7425800..ebcff8766cf 100644 --- a/target/i386/tcg/translate.c +++ b/target/i386/tcg/translate.c @@ -4660,7 +4660,7 @@ 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