Matching what was done earlier, explicit tests are added only for
irregular insn / memory access patterns.
Signed-off-by: Jan Beulich
---
SDE: -grr or -srf
--- a/tools/libs/light/libxl_cpuid.c
+++ b/tools/libs/light/libxl_cpuid.c
@@ -242,6 +242,7 @@ int libxl_cpuid_parse_config(libxl_cpuid
{"avx-ifma", 0x0007, 1, CPUID_REG_EAX, 23, 1},
{"avx-vnni-int8",0x0007, 1, CPUID_REG_EDX, 4, 1},
+{"avx-ne-convert",0x0007, 1, CPUID_REG_EDX, 5, 1},
{"cet-sss", 0x0007, 1, CPUID_REG_EDX, 18, 1},
{"intel-psfd", 0x0007, 2, CPUID_REG_EDX, 0, 1},
--- a/tools/misc/xen-cpuid.c
+++ b/tools/misc/xen-cpuid.c
@@ -214,7 +214,7 @@ static const char *const str_7c1[32] =
static const char *const str_7d1[32] =
{
-[ 4] = "avx-vnni-int8",
+[ 4] = "avx-vnni-int8", [ 5] = "avx-ne-convert",
[18] = "cet-sss",
};
--- a/tools/tests/x86_emulator/predicates.c
+++ b/tools/tests/x86_emulator/predicates.c
@@ -1350,6 +1350,7 @@ static const struct vex {
{ { 0x58 }, 2, T, R, pfx_66, W0, Ln }, /* vpbroadcastd */
{ { 0x59 }, 2, T, R, pfx_66, W0, Ln }, /* vpbroadcastq */
{ { 0x5a }, 2, F, R, pfx_66, W0, L1 }, /* vbroadcasti128 */
+{ { 0x72 }, 2, T, R, pfx_f3, W0, Ln }, /* vcvtneps2bf16 */
{ { 0x78 }, 2, T, R, pfx_66, W0, Ln }, /* vpbroadcastb */
{ { 0x79 }, 2, T, R, pfx_66, W0, Ln }, /* vpbroadcastw */
{ { 0x8c }, 2, F, R, pfx_66, Wn, Ln }, /* vpmaskmov{d,q} */
@@ -1378,6 +1379,12 @@ static const struct vex {
{ { 0xad }, 2, T, R, pfx_66, Wn, LIG }, /* vnmadd213s{s,d} */
{ { 0xae }, 2, T, R, pfx_66, Wn, Ln }, /* vnmsub213p{s,d} */
{ { 0xaf }, 2, T, R, pfx_66, Wn, LIG }, /* vnmsub213s{s,d} */
+{ { 0xb0 }, 2, F, R, pfx_no, W0, Ln }, /* vcvtneoph2ps */
+{ { 0xb0 }, 2, F, R, pfx_66, W0, Ln }, /* vcvtneeph2ps */
+{ { 0xb0 }, 2, F, R, pfx_f3, W0, Ln }, /* vcvtneebf162ps */
+{ { 0xb0 }, 2, F, R, pfx_f2, W0, Ln }, /* vcvtneobf162ps */
+{ { 0xb1 }, 2, F, R, pfx_66, W0, Ln }, /* vbcstnesh2ps */
+{ { 0xb1 }, 2, F, R, pfx_f3, W0, Ln }, /* vbcstnebf162ps */
{ { 0xb4 }, 2, T, R, pfx_66, W1, Ln }, /* vpmadd52luq */
{ { 0xb5 }, 2, T, R, pfx_66, W1, Ln }, /* vpmadd52huq */
{ { 0xb6 }, 2, T, R, pfx_66, Wn, Ln }, /* vmaddsub231p{s,d} */
--- a/tools/tests/x86_emulator/test_x86_emulator.c
+++ b/tools/tests/x86_emulator/test_x86_emulator.c
@@ -4572,6 +4572,39 @@ int main(int argc, char **argv)
else
printf("skipped\n");
+printf("%-40s", "Testing vbcstnebf162ps 2(%ecx),%ymm3...");
+if ( stack_exec && cpu_has_avx_ne_convert )
+{
+decl_insn(vbcstnebf162ps);
+
+asm volatile ( /* vbcstnebf162ps 2(%0), %%ymm3 */
+ put_insn(vbcstnebf162ps,
+".byte 0xc4, 0xe2, 0x7e, 0xb1, 0x59, 0x02 ")
+ :: "c" (NULL) );
+
+res[0] = 0x4321;
+regs.ecx = (unsigned long)res;
+set_insn(vbcstnebf162ps);
+bytes_read = 0;
+rc = x86_emulate(&ctxt, &emulops);
+if ( rc != X86EMUL_OKAY || !check_eip(vbcstnebf162ps) ||
+ bytes_read != 2 )
+goto fail;
+
+asm volatile ( "vbroadcastss %1, %%ymm2;"
+ "vsubps %%ymm3, %%ymm2, %%ymm1;"
+ "vptest %%ymm1, %%ymm1;"
+ "setc %b0; setz %h0"
+ : "=&Q" (rc)
+ : "m" (res[0]) );
+if ( (rc & 0x) != 0x0101 )
+goto fail;
+
+printf("okay\n");
+}
+else
+printf("skipped\n");
+
printf("%-40s", "Testing stmxcsr (%edx)...");
if ( cpu_has_sse )
{
--- a/tools/tests/x86_emulator/x86-emulate.h
+++ b/tools/tests/x86_emulator/x86-emulate.h
@@ -188,6 +188,7 @@ void wrpkru(unsigned int val);
#define cpu_has_cmpccxadd cp.feat.cmpccxadd
#define cpu_has_avx_ifma (cp.feat.avx_ifma && xcr0_mask(6))
#define cpu_has_avx_vnni_int8 (cp.feat.avx_vnni_int8 && xcr0_mask(6))
+#define cpu_has_avx_ne_convert (cp.feat.avx_ne_convert && xcr0_mask(6))
#define cpu_has_xgetbv1 (cpu_has_xsave && cp.xstate.xgetbv1)
--- a/xen/arch/x86/include/asm/cpufeature.h
+++ b/xen/arch/x86/include/asm/cpufeature.h
@@ -175,6 +175,7 @@ extern struct cpuinfo_x86 boot_cpu_data;
/* CPUID level 0x0007:1.edx */
#define cpu_has_avx_vnni_int8 boot_cpu_has(X86_FEATURE_AVX_VNNI_INT8)
+#define cpu_has_avx_ne_convert boot_cpu_has(X86_FEATURE_AVX_NE_CONVERT)
/* Synthesized. */
#define cpu_has_arch_perfmonboot_cpu_has(X86_FEATURE_ARCH_PERFMON)
--- a/xen/arch/x86/x86_emulate/decode.c
+++ b/xen/arch/x86/x86_emulate/decode.c
@@ -423,6 +423,8 @@ static const struct ext0f38_table {
[0xad] = { .simd_size = simd_scalar_vexw, .d8s = d8s_dq },
[0xae] = { .simd_size = simd_packed_fp, .d8s = d8s_vl },
[0xaf] = { .simd_size = simd_scalar_vexw, .d8s = d8s_dq },
+[0xb0] = { .simd_size = simd_other, .two_op = 1 },
+[0xb1] = { .simd_size
