x86emul: AVX512F scatter insns are memory writes

While the custom handling renders the "to_mem" field generally unused,
x86_insn_is_mem_write() still (indirectly) consumes that information,
and hence the table entries want to be correct.

Fixes: 7d569b848036 ("x86emul: support AVX512F scatter insns")
Signed-off-by: Jan Beulich <jbeulich@suse.com>
Acked-by: Andrew Cooper <andrew.cooper3@citrix.com>

diff --git a/xen/arch/x86/x86_emulate/x86_emulate.c b/xen/arch/x86/x86_emulate/x86_emulate.c
index 814e87f8424d149690a9074a243ccf14e46f2384..c54ad589c435d4c6952378e1983769605485bf13 100644 (file)
--- a/xen/arch/x86/x86_emulate/x86_emulate.c
+++ b/xen/arch/x86/x86_emulate/x86_emulate.c
@@ -516,7 +516,7 @@ static const struct ext0f38_table {
     [0x9d] = { .simd_size = simd_scalar_vexw, .d8s = d8s_dq },
     [0x9e] = { .simd_size = simd_packed_fp, .d8s = d8s_vl },
     [0x9f] = { .simd_size = simd_scalar_vexw, .d8s = d8s_dq },
-    [0xa0 ... 0xa3] = { .simd_size = simd_other, .vsib = 1, .d8s = d8s_dq },
+    [0xa0 ... 0xa3] = { .simd_size = simd_other, .to_mem = 1, .vsib = 1, .d8s = d8s_dq },
     [0xa6 ... 0xa8] = { .simd_size = simd_packed_fp, .d8s = d8s_vl },
     [0xa9] = { .simd_size = simd_scalar_vexw, .d8s = d8s_dq },
     [0xaa] = { .simd_size = simd_packed_fp, .d8s = d8s_vl },