[PATCH] target/i386: add feature dependency for XSAVE

[Paolo Bonzini]

The XSAVEOPT, XSAVEC, XGETBV1, XSAVES features make no sense if you
cannot enable XSAVE in the first place.

Signed-off-by: Paolo Bonzini <pbonz...@redhat.com>
---
 target/i386/cpu.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/target/i386/cpu.c b/target/i386/cpu.c
index f2ea6899e39..6f5ff71c6ee 100644
--- a/target/i386/cpu.c
+++ b/target/i386/cpu.c
@@ -1550,6 +1550,10 @@ static FeatureDep feature_dependencies[] = {
         .from = { FEAT_8000_0001_ECX,       CPUID_EXT3_SVM },
         .to = { FEAT_SVM,                   ~0ull },
     },
+    {
+        .from = { FEAT_1_ECX,               CPUID_EXT_XSAVE },
+        .to = { FEAT_XSAVE,                 ~0ull },
+    },
     {
         .from = { FEAT_7_0_ECX,             CPUID_7_0_ECX_WAITPKG },
         .to = { FEAT_VMX_SECONDARY_CTLS,    
VMX_SECONDARY_EXEC_ENABLE_USER_WAIT_PAUSE },
-- 
2.45.0