[Xen-changelog] [xen stable-4.11] x86emul: add support for missing {, V}PMADDWD insns

[patchbot@xxxxxxx]

commit c14310666bc201dce9c10ca7984db2dc1768e8ff
Author:     Jan Beulich <jbeulich@xxxxxxxx>
AuthorDate: Thu Jun 6 14:10:46 2019 +0200
Commit:     Jan Beulich <jbeulich@xxxxxxxx>
CommitDate: Thu Jun 6 14:10:46 2019 +0200

    x86emul: add support for missing {,V}PMADDWD insns
    
    Their pre-AVX512 incarnations have clearly been overlooked during much
    earlier work. Their memory access pattern is entirely standard, so no
    specific tests get added to the harness.
    
    Reported-by: Razvan Cojocaru <rcojocaru@xxxxxxxxxxxxxxx>
    Signed-off-by: Jan Beulich <jbeulich@xxxxxxxx>
    Tested-by: Alexandru Isaila <aisaila@xxxxxxxxxxxxxxx>
    Reviewed-by: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
    master commit: 1a48bdd599b268a2d9b7d0c45f1fd40c4892186e
    master date: 2019-05-16 13:43:17 +0200
---
 xen/arch/x86/x86_emulate/x86_emulate.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/xen/arch/x86/x86_emulate/x86_emulate.c 
b/xen/arch/x86/x86_emulate/x86_emulate.c
index 28e1248d2f..9525b4d254 100644
--- a/xen/arch/x86/x86_emulate/x86_emulate.c
+++ b/xen/arch/x86/x86_emulate/x86_emulate.c
@@ -6130,6 +6130,8 @@ x86_emulate(
     case X86EMUL_OPC_VEX_66(0x0f, 0xef): /* vpxor {x,y}mm/mem,{x,y}mm,{x,y}mm 
*/
     case X86EMUL_OPC_66(0x0f, 0xf4):     /* pmuludq xmm/m128,xmm */
     case X86EMUL_OPC_VEX_66(0x0f, 0xf4): /* vpmuludq 
{x,y}mm/mem,{x,y}mm,{x,y}mm */
+    CASE_SIMD_PACKED_INT(0x0f, 0xf5):    /* pmaddwd {,x}mm/mem,{,x}mm */
+    case X86EMUL_OPC_VEX_66(0x0f, 0xf5): /* vpmaddwd 
{x,y}mm/mem,{x,y}mm,{x,y}mm */
     case X86EMUL_OPC_66(0x0f, 0xf6):     /* psadbw xmm/m128,xmm */
     case X86EMUL_OPC_VEX_66(0x0f, 0xf6): /* vpsadbw 
{x,y}mm/mem,{x,y}mm,{x,y}mm */
     CASE_SIMD_PACKED_INT(0x0f, 0xf8):    /* psubb {,x}mm/mem,{,x}mm */
--
generated by git-patchbot for /home/xen/git/xen.git#stable-4.11

_______________________________________________
Xen-changelog mailing list
Xen-changelog@xxxxxxxxxxxxxxxxxxxx
https://lists.xenproject.org/xen-changelog