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Thu, 09 Apr 2026 08:04:14 -0700 (PDT) Message-ID: <10c2a780-0f19-496b-a88d-5f01371be091@suse.com> Date: Thu, 9 Apr 2026 17:04:13 +0200 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: [PATCH v4 04/16] x86emul/test: use simd_check_avx512*() in main() 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-d25034/1775747055-81B54A3D-97BFB3F9/0/0 X-purgate-type: clean X-purgate-size: 10148 X-ZohoMail-DKIM: pass (identity @suse.com) X-ZM-MESSAGEID: 1775747076451158500 Content-Type: text/plain; charset="utf-8" In preparation for having these also cover AVX10, use the helper functions in preference of open-coded cpu_has_avx512* for those features that AVX10 includes. Introduce a couple further helper functions where they weren't previously needed. Note that this way simd_check_avx512f_sha_vl() gains an AVX512F check (which is likely benign) and simd_check_avx512bw_gf_vl() gains an AVX512BW check (which was clearly missing).=20 Signed-off-by: Jan Beulich --- v2: Re-base over dropping of Xeon Phi support. --- a/tools/tests/x86_emulator/test_x86_emulator.c +++ b/tools/tests/x86_emulator/test_x86_emulator.c @@ -167,6 +167,11 @@ static bool simd_check_avx512vbmi_vl(voi return cpu_has_avx512_vbmi && cpu_has_avx512vl; } =20 +static bool simd_check_avx512vbmi2(void) +{ + return cpu_has_avx512_vbmi2; +} + static bool simd_check_sse4_sha(void) { return cpu_has_sha && cpu_has_sse4_2; @@ -179,7 +184,7 @@ static bool simd_check_avx_sha(void) =20 static bool simd_check_avx512f_sha_vl(void) { - return cpu_has_sha && cpu_has_avx512vl; + return cpu_has_sha && simd_check_avx512f_vl(); } =20 static bool simd_check_avx2_vaes(void) @@ -189,13 +194,13 @@ static bool simd_check_avx2_vaes(void) =20 static bool simd_check_avx512bw_vaes(void) { - return cpu_has_aesni && cpu_has_vaes && cpu_has_avx512bw; + return cpu_has_aesni && cpu_has_vaes && simd_check_avx512bw(); } =20 static bool simd_check_avx512bw_vaes_vl(void) { return cpu_has_aesni && cpu_has_vaes && - cpu_has_avx512bw && cpu_has_avx512vl; + simd_check_avx512bw_vl(); } =20 static bool simd_check_avx2_vpclmulqdq(void) @@ -205,22 +210,22 @@ static bool simd_check_avx2_vpclmulqdq(v =20 static bool simd_check_avx512bw_vpclmulqdq(void) { - return cpu_has_vpclmulqdq && cpu_has_avx512bw; + return cpu_has_vpclmulqdq && simd_check_avx512bw(); } =20 static bool simd_check_avx512bw_vpclmulqdq_vl(void) { - return cpu_has_vpclmulqdq && cpu_has_avx512bw && cpu_has_avx512vl; + return cpu_has_vpclmulqdq && simd_check_avx512bw_vl(); } =20 static bool simd_check_avx512vbmi2_vpclmulqdq(void) { - return cpu_has_avx512_vbmi2 && simd_check_avx512bw_vpclmulqdq(); + return simd_check_avx512vbmi2() && simd_check_avx512bw_vpclmulqdq(); } =20 static bool simd_check_avx512vbmi2_vpclmulqdq_vl(void) { - return cpu_has_avx512_vbmi2 && simd_check_avx512bw_vpclmulqdq_vl(); + return simd_check_avx512vbmi2() && simd_check_avx512bw_vpclmulqdq_vl(); } =20 static bool simd_check_sse2_gf(void) @@ -235,12 +240,17 @@ static bool simd_check_avx2_gf(void) =20 static bool simd_check_avx512bw_gf(void) { - return cpu_has_gfni && cpu_has_avx512bw; + return cpu_has_gfni && simd_check_avx512bw(); } =20 static bool simd_check_avx512bw_gf_vl(void) { - return cpu_has_gfni && cpu_has_avx512vl; + return cpu_has_gfni && simd_check_avx512bw_vl(); +} + +static bool simd_check_avx512vnni(void) +{ + return cpu_has_avx512_vnni; } =20 static bool simd_check_avx512fp16(void) @@ -3192,7 +3202,7 @@ int main(int argc, char **argv) printf("skipped\n"); =20 printf("%-40s", "Testing {evex} vmovq %xmm1,32(%edx)..."); - if ( stack_exec && cpu_has_avx512f ) + if ( stack_exec && simd_check_avx512f() ) { decl_insn(evex_vmovq_to_mem); =20 @@ -3216,7 +3226,7 @@ int main(int argc, char **argv) printf("skipped\n"); =20 printf("%-40s", "Testing {evex} vmovq 32(%edx),%xmm0..."); - if ( stack_exec && cpu_has_avx512f ) + if ( stack_exec && simd_check_avx512f() ) { decl_insn(evex_vmovq_from_mem); =20 @@ -3339,7 +3349,7 @@ int main(int argc, char **argv) printf("skipped\n"); =20 printf("%-40s", "Testing vmovdqu32 %zmm2,(%ecx){%k1}..."); - if ( stack_exec && cpu_has_avx512f ) + if ( stack_exec && simd_check_avx512f() ) { decl_insn(vmovdqu32_to_mem); =20 @@ -3369,7 +3379,7 @@ int main(int argc, char **argv) printf("skipped\n"); =20 printf("%-40s", "Testing vmovdqu32 64(%edx),%zmm2{%k2}..."); - if ( stack_exec && cpu_has_avx512f ) + if ( stack_exec && simd_check_avx512f() ) { decl_insn(vmovdqu32_from_mem); =20 @@ -3394,7 +3404,7 @@ int main(int argc, char **argv) printf("skipped\n"); =20 printf("%-40s", "Testing vmovdqu16 %zmm3,(%ecx){%k1}..."); - if ( stack_exec && cpu_has_avx512bw ) + if ( stack_exec && simd_check_avx512bw() ) { decl_insn(vmovdqu16_to_mem); =20 @@ -3426,7 +3436,7 @@ int main(int argc, char **argv) printf("skipped\n"); =20 printf("%-40s", "Testing vmovdqu16 64(%edx),%zmm3{%k2}..."); - if ( stack_exec && cpu_has_avx512bw ) + if ( stack_exec && simd_check_avx512bw() ) { decl_insn(vmovdqu16_from_mem); =20 @@ -3554,7 +3564,7 @@ int main(int argc, char **argv) printf("%-40s", "Testing vmovsd %xmm5,16(%ecx){%k3}..."); memset(res, 0x88, 128); memset(res + 20, 0x77, 8); - if ( stack_exec && cpu_has_avx512f ) + if ( stack_exec && simd_check_avx512f() ) { decl_insn(vmovsd_masked_to_mem); =20 @@ -3589,7 +3599,7 @@ int main(int argc, char **argv) } =20 printf("%-40s", "Testing vmovaps (%edx),%zmm7{%k3}{z}..."); - if ( stack_exec && cpu_has_avx512f ) + if ( stack_exec && simd_check_avx512f() ) { decl_insn(vmovaps_masked_from_mem); =20 @@ -3772,7 +3782,7 @@ int main(int argc, char **argv) printf("skipped\n"); =20 printf("%-40s", "Testing {evex} vmovd %xmm3,32(%ecx)..."); - if ( stack_exec && cpu_has_avx512f ) + if ( stack_exec && simd_check_avx512f() ) { decl_insn(evex_vmovd_to_mem); =20 @@ -3797,7 +3807,7 @@ int main(int argc, char **argv) printf("skipped\n"); =20 printf("%-40s", "Testing {evex} vmovd 32(%ecx),%xmm4..."); - if ( stack_exec && cpu_has_avx512f ) + if ( stack_exec && simd_check_avx512f() ) { decl_insn(evex_vmovd_from_mem); =20 @@ -3987,7 +3997,7 @@ int main(int argc, char **argv) printf("skipped\n"); =20 printf("%-40s", "Testing {evex} vmovd %xmm2,%ebx..."); - if ( stack_exec && cpu_has_avx512f ) + if ( stack_exec && simd_check_avx512f() ) { decl_insn(evex_vmovd_to_reg); =20 @@ -4013,7 +4023,7 @@ int main(int argc, char **argv) printf("skipped\n"); =20 printf("%-40s", "Testing {evex} vmovd %ebx,%xmm1..."); - if ( stack_exec && cpu_has_avx512f ) + if ( stack_exec && simd_check_avx512f() ) { decl_insn(evex_vmovd_from_reg); =20 @@ -4115,7 +4125,7 @@ int main(int argc, char **argv) printf("skipped\n"); =20 printf("%-40s", "Testing {evex} vmovq %xmm11,32(%ecx)..."); - if ( stack_exec && cpu_has_avx512f ) + if ( stack_exec && simd_check_avx512f() ) { decl_insn(evex_vmovq_to_mem2); =20 @@ -4205,7 +4215,7 @@ int main(int argc, char **argv) printf("skipped\n"); =20 printf("%-40s", "Testing vmovq %xmm22,%rbx..."); - if ( stack_exec && cpu_has_avx512f ) + if ( stack_exec && simd_check_avx512f() ) { decl_insn(evex_vmovq_to_reg); =20 @@ -4398,7 +4408,7 @@ int main(int argc, char **argv) printf("skipped\n"); =20 printf("%-40s", "Testing vmovntdqa 64(%ecx),%zmm4..."); - if ( stack_exec && cpu_has_avx512f ) + if ( stack_exec && simd_check_avx512f() ) { decl_insn(evex_vmovntdqa); =20 @@ -4994,7 +5004,7 @@ int main(int argc, char **argv) printf("skipped\n"); =20 printf("%-40s", "Testing vcvtph2ps 32(%ecx),%zmm7{%k4}..."); - if ( stack_exec && cpu_has_avx512f ) + if ( stack_exec && simd_check_avx512f() ) { decl_insn(evex_vcvtph2ps); decl_insn(evex_vcvtps2ph); @@ -5037,7 +5047,7 @@ int main(int argc, char **argv) printf("skipped\n"); =20 printf("%-40s", "Testing vfixupimmpd $0,8(%edx){1to8},%zmm3,%zmm4..."); - if ( stack_exec && cpu_has_avx512f ) + if ( stack_exec && simd_check_avx512f() ) { decl_insn(vfixupimmpd); static const struct { @@ -5076,7 +5086,7 @@ int main(int argc, char **argv) =20 =20 printf("%-40s", "Testing vfpclasspsz $0x46,64(%edx),%k2..."); - if ( stack_exec && cpu_has_avx512dq ) + if ( stack_exec && simd_check_avx512dq() ) { decl_insn(vfpclassps); =20 @@ -5108,7 +5118,7 @@ int main(int argc, char **argv) printf("skipped\n"); =20 printf("%-40s", "Testing vfpclassphz $0x46,128(%ecx),%k3..."); - if ( stack_exec && cpu_has_avx512_fp16 ) + if ( stack_exec && simd_check_avx512fp16() ) { decl_insn(vfpclassph); =20 @@ -5151,7 +5161,7 @@ int main(int argc, char **argv) * on the mapping boundaries) that elements controlled by clear mask * bits don't get accessed. */ - if ( stack_exec && cpu_has_avx512f ) + if ( stack_exec && simd_check_avx512f() ) { decl_insn(vpcompressd); decl_insn(vpcompressq); @@ -5253,7 +5263,7 @@ int main(int argc, char **argv) } =20 #if __GNUC__ > 7 /* can't check for __AVX512VBMI2__ here */ - if ( stack_exec && cpu_has_avx512_vbmi2 ) + if ( stack_exec && simd_check_avx512vbmi2() ) { decl_insn(vpcompressb); decl_insn(vpcompressw); @@ -5441,7 +5451,7 @@ int main(int argc, char **argv) } =20 printf("%-40s", "Testing vpdpwssd (%ecx),%{y,z}mmA,%{y,z}mmB..."); - if ( stack_exec && cpu_has_avx512_vnni && cpu_has_avx_vnni ) + if ( stack_exec && simd_check_avx512vnni() && cpu_has_avx_vnni ) { /* Do the same operation two ways and compare the results. */ decl_insn(vpdpwssd_vex1); @@ -5496,7 +5506,7 @@ int main(int argc, char **argv) printf("skipped\n"); =20 printf("%-40s", "Testing vmovsh 8(%ecx),%xmm5..."); - if ( stack_exec && cpu_has_avx512_fp16 ) + if ( stack_exec && simd_check_avx512fp16() ) { decl_insn(vmovsh_from_mem); decl_insn(vmovw_to_gpr);