diff mbox series

[PULL,02/24] target/i386: disable jmp_opt if EFLAGS.RF is 1

Message ID 20240525113332.1404158-3-pbonzini@redhat.com (mailing list archive)
State New, archived
Headers show
Series [PULL,01/24] configure: move -mcx16 flag out of CPU_CFLAGS | expand

Commit Message

Paolo Bonzini May 25, 2024, 11:33 a.m. UTC 
If EFLAGS.RF is 1, special processing in gen_eob_worker() is needed and
therefore goto_tb cannot be used.

Suggested-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Cc: qemu-stable@nongnu.org
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
---
 target/i386/tcg/translate.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
diff mbox series

Patch

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