From: Jan Beulich Date: Thu, 16 May 2019 11:43:17 +0000 (+0200) Subject: x86emul: add support for missing {,V}PMADDWD insns X-Git-Tag: archive/raspbian/4.14.0+80-gd101b417b7-1+rpi1^2~63^2~2236 X-Git-Url: https://dgit.raspbian.org/?a=commitdiff_plain;h=1a48bdd599b268a2d9b7d0c45f1fd40c4892186e;p=xen.git 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 Signed-off-by: Jan Beulich Tested-by: Alexandru Isaila Reviewed-by: Andrew Cooper --- diff --git a/xen/arch/x86/x86_emulate/x86_emulate.c b/xen/arch/x86/x86_emulate/x86_emulate.c index 032995ea58..f5989f3071 100644 --- a/xen/arch/x86/x86_emulate/x86_emulate.c +++ b/xen/arch/x86/x86_emulate/x86_emulate.c @@ -6624,6 +6624,8 @@ x86_emulate( case X86EMUL_OPC_VEX_66(0x0f, 0xf3): /* vpsllq xmm/m128,{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 */