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Thu, 09 Apr 2026 08:07:40 -0700 (PDT) Message-ID: Date: Thu, 9 Apr 2026 17:07:38 +0200 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: [PATCH v4 11/16] x86emul: support AVX10.2 media insns From: Jan Beulich To: "xen-devel@lists.xenproject.org" Cc: Andrew Cooper , =?UTF-8?Q?Roger_Pau_Monn=C3=A9?= , Teddy Astie References: <1e2ff012-b07a-43be-9ba6-290b38d3c97c@suse.com> Content-Language: en-US Autocrypt: addr=jbeulich@suse.com; keydata= xsDiBFk3nEQRBADAEaSw6zC/EJkiwGPXbWtPxl2xCdSoeepS07jW8UgcHNurfHvUzogEq5xk hu507c3BarVjyWCJOylMNR98Yd8VqD9UfmX0Hb8/BrA+Hl6/DB/eqGptrf4BSRwcZQM32aZK 7Pj2XbGWIUrZrd70x1eAP9QE3P79Y2oLrsCgbZJfEwCgvz9JjGmQqQkRiTVzlZVCJYcyGGsD /0tbFCzD2h20ahe8rC1gbb3K3qk+LpBtvjBu1RY9drYk0NymiGbJWZgab6t1jM7sk2vuf0Py O9Hf9XBmK0uE9IgMaiCpc32XV9oASz6UJebwkX+zF2jG5I1BfnO9g7KlotcA/v5ClMjgo6Gl MDY4HxoSRu3i1cqqSDtVlt+AOVBJBACrZcnHAUSuCXBPy0jOlBhxPqRWv6ND4c9PH1xjQ3NP nxJuMBS8rnNg22uyfAgmBKNLpLgAGVRMZGaGoJObGf72s6TeIqKJo/LtggAS9qAUiuKVnygo 3wjfkS9A3DRO+SpU7JqWdsveeIQyeyEJ/8PTowmSQLakF+3fote9ybzd880fSmFuIEJldWxp Y2ggPGpiZXVsaWNoQHN1c2UuY29tPsJgBBMRAgAgBQJZN5xEAhsDBgsJCAcDAgQVAggDBBYC AwECHgECF4AACgkQoDSui/t3IH4J+wCfQ5jHdEjCRHj23O/5ttg9r9OIruwAn3103WUITZee e7Sbg12UgcQ5lv7SzsFNBFk3nEQQCACCuTjCjFOUdi5Nm244F+78kLghRcin/awv+IrTcIWF hUpSs1Y91iQQ7KItirz5uwCPlwejSJDQJLIS+QtJHaXDXeV6NI0Uef1hP20+y8qydDiVkv6l IreXjTb7DvksRgJNvCkWtYnlS3mYvQ9NzS9PhyALWbXnH6sIJd2O9lKS1Mrfq+y0IXCP10eS FFGg+Av3IQeFatkJAyju0PPthyTqxSI4lZYuJVPknzgaeuJv/2NccrPvmeDg6Coe7ZIeQ8Yj t0ARxu2xytAkkLCel1Lz1WLmwLstV30g80nkgZf/wr+/BXJW/oIvRlonUkxv+IbBM3dX2OV8 AmRv1ySWPTP7AAMFB/9PQK/VtlNUJvg8GXj9ootzrteGfVZVVT4XBJkfwBcpC/XcPzldjv+3 HYudvpdNK3lLujXeA5fLOH+Z/G9WBc5pFVSMocI71I8bT8lIAzreg0WvkWg5V2WZsUMlnDL9 mpwIGFhlbM3gfDMs7MPMu8YQRFVdUvtSpaAs8OFfGQ0ia3LGZcjA6Ik2+xcqscEJzNH+qh8V m5jjp28yZgaqTaRbg3M/+MTbMpicpZuqF4rnB0AQD12/3BNWDR6bmh+EkYSMcEIpQmBM51qM EKYTQGybRCjpnKHGOxG0rfFY1085mBDZCH5Kx0cl0HVJuQKC+dV2ZY5AqjcKwAxpE75MLFkr wkkEGBECAAkFAlk3nEQCGwwACgkQoDSui/t3IH7nnwCfcJWUDUFKdCsBH/E5d+0ZnMQi+G0A nAuWpQkjM1ASeQwSHEeAWPgskBQL In-Reply-To: <1e2ff012-b07a-43be-9ba6-290b38d3c97c@suse.com> Content-Transfer-Encoding: quoted-printable X-purgate-ID: tlsNG-ef75cf/1775747260-8B94141E-E5DE21AF/0/0 X-purgate-type: clean X-purgate-size: 7336 X-ZohoMail-DKIM: pass (identity @suse.com) X-ZM-MESSAGEID: 1775747280327154100 Content-Type: text/plain; charset="utf-8" These are all very similar to various existing insns. Signed-off-by: Jan Beulich --- SDE: -dmr / -future --- In evex-disp8.c, should we separately have avx10_v1_aux_all[]? If so, all the convert insns would also need moving/copying there. --- v4: Series re-ordering adjustments. Update to spec version 6. v3: New. --- a/tools/tests/x86_emulator/evex-disp8.c +++ b/tools/tests/x86_emulator/evex-disp8.c @@ -725,6 +725,20 @@ static const struct test avx10_2_all[] =3D INSN(comisbf16, 66, map5, 2f, el, bf16, el), INSN_SFP(comx, 0f, 2f), INSN(comxsh, f3, map5, 2f, el, fp16, el), + INSN(dpphps, , 0f38, 52, vl, d, vl), + INSN(mpsadbw, f3, 0f3a, 42, vl, d_nb, vl), + INSN(pdpbssd, f2, 0f38, 50, vl, d, vl), + INSN(pdpbssds, f2, 0f38, 51, vl, d, vl), + INSN(pdpbsud, f3, 0f38, 50, vl, d, vl), + INSN(pdpbsuds, f3, 0f38, 51, vl, d, vl), + INSN(pdpbuud, , 0f38, 50, vl, d, vl), + INSN(pdpbuuds, , 0f38, 51, vl, d, vl), + INSN(pdpwsud, f3, 0f38, d2, vl, d, vl), + INSN(pdpwsuds, f3, 0f38, d3, vl, d, vl), + INSN(pdpwusd, 66, 0f38, d2, vl, d, vl), + INSN(pdpwusds, 66, 0f38, d3, vl, d, vl), + INSN(pdpwuud, , 0f38, d2, vl, d, vl), + INSN(pdpwuuds, , 0f38, d3, vl, d, vl), INSN_SFP(ucomx, 0f, 2e), INSN(ucomxsh, f3, map5, 2e, el, fp16, el), }; --- a/tools/tests/x86_emulator/predicates.c +++ b/tools/tests/x86_emulator/predicates.c @@ -1927,8 +1927,15 @@ static const struct evex { { { 0x4d }, 2, T, R, pfx_66, Wn, LIG }, /* vrcp14s{s,d} */ { { 0x4e }, 2, T, R, pfx_66, Wn, Ln }, /* vrsqrt14p{s,d} */ { { 0x4f }, 2, T, R, pfx_66, Wn, LIG }, /* vrsqrt14s{s,d} */ + { { 0x50 }, 2, T, R, pfx_no, W0, Ln }, /* vpdpbuud */ { { 0x50 }, 2, T, R, pfx_66, W0, Ln }, /* vpdpbusd */ + { { 0x50 }, 2, T, R, pfx_f3, W0, Ln }, /* vpdpbsud */ + { { 0x50 }, 2, T, R, pfx_f2, W0, Ln }, /* vpdpbssd */ + { { 0x51 }, 2, T, R, pfx_no, W0, Ln }, /* vpdpbuuds */ { { 0x51 }, 2, T, R, pfx_66, W0, Ln }, /* vpdpbusds */ + { { 0x51 }, 2, T, R, pfx_f3, W0, Ln }, /* vpdpbsuds */ + { { 0x51 }, 2, T, R, pfx_f2, W0, Ln }, /* vpdpbssds */ + { { 0x52 }, 2, T, R, pfx_no, W0, Ln }, /* vdpphps */ { { 0x52 }, 2, T, R, pfx_66, W0, Ln }, /* vpdpwssd */ { { 0x52 }, 2, T, R, pfx_f3, W0, Ln }, /* vdpbf16ps */ { { 0x52 }, 2, T, R, pfx_f2, W0, L2 }, /* vp4dpwssd */ @@ -2029,6 +2036,12 @@ static const struct evex { { { 0xcc }, 2, T, R, pfx_66, Wn, L2 }, /* vrsqrt28p{s,d} */ { { 0xcd }, 2, T, R, pfx_66, Wn, LIG }, /* vrsqrt28s{s,d} */ { { 0xcf }, 2, T, R, pfx_66, W0, Ln }, /* vgf2p8mulb */ + { { 0xd2 }, 2, T, R, pfx_no, W0, Ln }, /* vpdpwuud */ + { { 0xd2 }, 2, T, R, pfx_66, W0, Ln }, /* vpdpwusd */ + { { 0xd2 }, 2, T, R, pfx_f3, W0, Ln }, /* vpdpwsud */ + { { 0xd3 }, 2, T, R, pfx_no, W0, Ln }, /* vpdpwuuds */ + { { 0xd3 }, 2, T, R, pfx_66, W0, Ln }, /* vpdpwusds */ + { { 0xd3 }, 2, T, R, pfx_f3, W0, Ln }, /* vpdpwsuds */ { { 0xda }, 2, T, R, pfx_f3, W0, Ln }, /* vsm4key4 */ { { 0xda }, 2, T, R, pfx_f2, W0, Ln }, /* vsm4rnds4 */ { { 0xdc }, 2, T, R, pfx_66, WIG, Ln }, /* vaesenc */ @@ -2075,6 +2088,7 @@ static const struct evex { { { 0x3e }, 3, T, R, pfx_66, Wn, Ln }, /* vpcmpu{b,w} */ { { 0x3f }, 3, T, R, pfx_66, Wn, Ln }, /* vpcmp{b,w} */ { { 0x42 }, 3, T, R, pfx_66, W0, Ln }, /* vdbpsadbw */ + { { 0x42 }, 3, T, R, pfx_f3, W0, Ln }, /* vmpsadbw */ { { 0x43 }, 3, T, R, pfx_66, Wn, L1|L2 }, /* vshufi{32x4,64x2} */ { { 0x44 }, 3, T, R, pfx_66, WIG, Ln }, /* vpclmulqdq */ { { 0x50 }, 3, T, R, pfx_66, Wn, Ln }, /* vrangep{s,d} */ --- a/xen/arch/x86/x86_emulate/decode.c +++ b/xen/arch/x86/x86_emulate/decode.c @@ -434,8 +434,8 @@ static const struct ext0f38_table { [0xcb] =3D { .simd_size =3D simd_other, .d8s =3D d8s_vl }, [0xcc ... 0xcd] =3D { .simd_size =3D simd_other, .two_op =3D 1, .d8s = =3D d8s_vl }, [0xcf] =3D { .simd_size =3D simd_packed_int, .d8s =3D d8s_vl }, - [0xd2] =3D { .simd_size =3D simd_other }, - [0xd3] =3D { .simd_size =3D simd_other }, + [0xd2] =3D { .simd_size =3D simd_other, .d8s =3D d8s_vl }, + [0xd3] =3D { .simd_size =3D simd_other, .d8s =3D d8s_vl }, [0xd6] =3D { .simd_size =3D simd_other, .d8s =3D d8s_vl }, [0xd7] =3D { .simd_size =3D simd_scalar_vexw, .d8s =3D d8s_dq }, [0xda] =3D { .simd_size =3D simd_other, .d8s =3D d8s_vl }, --- a/xen/arch/x86/x86_emulate/x86_emulate.c +++ b/xen/arch/x86/x86_emulate/x86_emulate.c @@ -6169,6 +6169,30 @@ x86_emulate( avx512_vlen_check(true); goto simd_zmm; =20 + case X86EMUL_OPC_EVEX (0x0f38, 0x50): /* vpdpbuud [xyz]mm/mem,[xyz]m= m,[xyz]mm{k} */ + case X86EMUL_OPC_EVEX_F3(0x0f38, 0x50): /* vpdpbsud [xyz]mm/mem,[xyz]m= m,[xyz]mm{k} */ + case X86EMUL_OPC_EVEX_F2(0x0f38, 0x50): /* vpdpbssd [xyz]mm/mem,[xyz]m= m,[xyz]mm{k} */ + case X86EMUL_OPC_EVEX (0x0f38, 0x51): /* vpdpbuuds [xyz]mm/mem,[xyz]= mm,[xyz]mm{k} */ + case X86EMUL_OPC_EVEX_F3(0x0f38, 0x51): /* vpdpbsuds [xyz]mm/mem,[xyz]= mm,[xyz]mm{k} */ + case X86EMUL_OPC_EVEX_F2(0x0f38, 0x51): /* vpdpbssds [xyz]mm/mem,[xyz]= mm,[xyz]mm{k} */ + case X86EMUL_OPC_EVEX (0x0f38, 0xd2): /* vpdpwuud [xyz]mm/mem,[xyz]m= m,[xyz]mm{k} */ + case X86EMUL_OPC_EVEX_66(0x0f38, 0xd2): /* vpdpwusd [xyz]mm/mem,[xyz]m= m,[xyz]mm{k} */ + case X86EMUL_OPC_EVEX_F3(0x0f38, 0xd2): /* vpdpwsud [xyz]mm/mem,[xyz]m= m,[xyz]mm{k} */ + case X86EMUL_OPC_EVEX (0x0f38, 0xd3): /* vpdpwuuds [xyz]mm/mem,[xyz]= mm,[xyz]mm{k} */ + case X86EMUL_OPC_EVEX_66(0x0f38, 0xd3): /* vpdpwusds [xyz]mm/mem,[xyz]= mm,[xyz]mm{k} */ + case X86EMUL_OPC_EVEX_F3(0x0f38, 0xd3): /* vpdpwsuds [xyz]mm/mem,[xyz]= mm,[xyz]mm{k} */ + generate_exception_if(evex.w, X86_EXC_UD); + if ( !cp->avx10.avx10_v1_aux ) + vcpu_must_have(avx10, 2); + op_bytes =3D 16 << evex.lr; + goto avx512f_no_sae; + + case X86EMUL_OPC_EVEX (0x0f38, 0x52): /* vdpphps [xyz]mm/mem,[xyz]mm= ,[xyz]mm{k} */ + generate_exception_if(evex.w, X86_EXC_UD); + vcpu_must_have(avx10, 2); + op_bytes =3D 16 << evex.lr; + goto avx512f_no_sae; + case X86EMUL_OPC_EVEX_66(0x0f38, 0x8f): /* vpshufbitqmb [xyz]mm/mem,[x= yz]mm,k{k} */ generate_exception_if(evex.w || !evex.r || !evex.R || evex.z, X86_= EXC_UD); /* fall through */ @@ -7635,6 +7659,14 @@ x86_emulate( visa_check(bw); goto opmask_shift_imm; =20 + case X86EMUL_OPC_EVEX_F3(0x0f3a, 0x42): /* vmpsadbw $imm8,[xyz]mm/mem,= [xyz]mm,[xyz]mm{k} */ + generate_exception_if(evex.w || evex.brs, X86_EXC_UD); + vcpu_must_have(avx10, 2); + avx512_vlen_check(false); + op_bytes =3D 16 << evex.lr; + fault_suppression =3D false; + goto simd_imm8_zmm; + case X86EMUL_OPC_66(0x0f3a, 0x44): /* pclmulqdq $imm8,xmm/m128,xmm= */ case X86EMUL_OPC_VEX_66(0x0f3a, 0x44): /* vpclmulqdq $imm8,{x,y}mm/mem= ,{x,y}mm,{x,y}mm */ host_and_vcpu_must_have(pclmulqdq);