x86emul: basic AVX512VL testing

Test the 128- and 256-bit variants of the insns which have been
implemented already.

Signed-off-by: Jan Beulich <jbeulich@suse.com>
Acked-by: Andrew Cooper <andrew.cooper3@citrix.com>

diff --git a/tools/tests/x86_emulator/Makefile b/tools/tests/x86_emulator/Makefile
index ccfd11b021ae31b920cab60f845705776365795b..3fde13486dc6525a629edcfeeef4e8c54a1b170b 100644 (file)
--- a/tools/tests/x86_emulator/Makefile
+++ b/tools/tests/x86_emulator/Makefile
@@ -63,7 +63,7 @@ avx2-sg-flts := 4 8
 xop-vecs := $(avx-vecs)
 xop-ints := 1 2 4 8
 xop-flts := $(avx-flts)
-avx512f-vecs := 64
+avx512f-vecs := 64 16 32
 avx512f-ints := 4 8
 avx512f-flts := 4 8
 

diff --git a/tools/tests/x86_emulator/simd-fma.c b/tools/tests/x86_emulator/simd-fma.c
index 95157c83c95370375bc00261e7dcde6a531da939..11a9dd6a275e5cf18b97ff662fe81d94bf4284d5 100644 (file)
--- a/tools/tests/x86_emulator/simd-fma.c
+++ b/tools/tests/x86_emulator/simd-fma.c
@@ -5,13 +5,13 @@ ENTRY(fma_test);
 
 #if VEC_SIZE < 16 && !defined(to_bool)
 # define to_bool(cmp) (!~(cmp)[0])
-#elif VEC_SIZE == 16
+#elif VEC_SIZE == 16 && !defined(__AVX512VL__)
 # if FLOAT_SIZE == 4
 #  define to_bool(cmp) __builtin_ia32_vtestcps(cmp, (vec_t){} == 0)
 # elif FLOAT_SIZE == 8
 #  define to_bool(cmp) __builtin_ia32_vtestcpd(cmp, (vec_t){} == 0)
 # endif
-#elif VEC_SIZE == 32
+#elif VEC_SIZE == 32 && !defined(__AVX512VL__)
 # if FLOAT_SIZE == 4
 #  define to_bool(cmp) __builtin_ia32_vtestcps256(cmp, (vec_t){} == 0)
 # elif FLOAT_SIZE == 8

diff --git a/tools/tests/x86_emulator/simd.c b/tools/tests/x86_emulator/simd.c
index d165592b9ce18f60f771cb35f38de169b9e778bf..d1f3f661a000391542f7ac52fecdcf3506577740 100644 (file)
--- a/tools/tests/x86_emulator/simd.c
+++ b/tools/tests/x86_emulator/simd.c
@@ -539,7 +539,7 @@ static inline bool _to_bool(byte_vec_t bv)
 #  define rotr(x, n) ((vec_t)__builtin_ia32_palignr128((vdi_t)(x), (vdi_t)(x), (n) * 64))
 # endif
 #endif
-#if VEC_SIZE == 16 && defined(__SSE4_1__)
+#if VEC_SIZE == 16 && defined(__SSE4_1__) && !defined(__AVX512VL__)
 # if INT_SIZE == 1
 #  define max(x, y) ((vec_t)__builtin_ia32_pmaxsb128((vqi_t)(x), (vqi_t)(y)))
 #  define min(x, y) ((vec_t)__builtin_ia32_pminsb128((vqi_t)(x), (vqi_t)(y)))
@@ -593,7 +593,7 @@ static inline bool _to_bool(byte_vec_t bv)
 #  define mix(x, y) __builtin_ia32_blendpd(x, y, 0b10)
 # endif
 #endif
-#if VEC_SIZE == 32 && defined(__AVX__)
+#if VEC_SIZE == 32 && defined(__AVX__) && !defined(__AVX512VL__)
 # if FLOAT_SIZE == 4
 #  define dot_product(x, y) ({ \
     vec_t t_ = __builtin_ia32_dpps256(x, y, 0b11110001); \

diff --git a/tools/tests/x86_emulator/simd.h b/tools/tests/x86_emulator/simd.h
index 7bc1ac0e6302599d68573e69dede0cdf82f0d282..60e1420b3db248c2213b477fc7f2a46d01f8bbd8 100644 (file)
--- a/tools/tests/x86_emulator/simd.h
+++ b/tools/tests/x86_emulator/simd.h
@@ -92,6 +92,15 @@ typedef long long __attribute__((vector_size(VEC_SIZE))) vdi_t;
 
 #ifdef __AVX512F__
 
+# if VEC_SIZE > ELEM_SIZE && (defined(VEC_MAX) ? VEC_MAX : VEC_SIZE) < 64
+#  pragma GCC target ( "avx512vl" )
+# endif
+
+# define REN(insn, old, new)                     \
+    asm ( ".macro v" #insn #old " o:vararg \n\t" \
+          "v" #insn #new " \\o             \n\t" \
+          ".endm" )
+
 /*
  * The original plan was to effect use of EVEX encodings for scalar as well as
  * 128- and 256-bit insn variants by restricting the compiler to use (on 64-bit
@@ -135,25 +144,88 @@ asm ( ".macro override insn    \n\t"
 # define OVR_FP(n) OVR_VFP(n); OVR_SFP(n)
 # define OVR_INT(n) OVR_BW(n); OVR_DQ(n)
 
+OVR_INT(broadcast);
 OVR_SFP(broadcast);
 OVR_SFP(comi);
 OVR_FP(add);
+OVR_INT(add);
 OVR_FP(div);
 OVR(extractps);
 OVR_FMA(fmadd, FP);
+OVR_FMA(fmaddsub, VFP);
 OVR_FMA(fmsub, FP);
+OVR_FMA(fmsubadd, VFP);
 OVR_FMA(fnmadd, FP);
 OVR_FMA(fnmsub, FP);
 OVR(insertps);
 OVR_FP(max);
+OVR_INT(maxs);
+OVR_INT(maxu);
 OVR_FP(min);
+OVR_INT(mins);
+OVR_INT(minu);
 OVR(movd);
 OVR(movq);
 OVR_SFP(mov);
+OVR_VFP(mova);
+OVR_VFP(movnt);
+OVR_VFP(movu);
 OVR_FP(mul);
+OVR_VFP(shuf);
+OVR_INT(sll);
+OVR_DQ(sllv);
 OVR_FP(sqrt);
+OVR_INT(sra);
+OVR_DQ(srav);
+OVR_INT(srl);
+OVR_DQ(srlv);
 OVR_FP(sub);
+OVR_INT(sub);
 OVR_SFP(ucomi);
+OVR_VFP(unpckh);
+OVR_VFP(unpckl);
+
+# ifdef __AVX512VL__
+#  if ELEM_SIZE == 8 && defined(__AVX512DQ__)
+REN(extract, f128, f64x2);
+REN(extract, i128, i64x2);
+REN(insert, f128, f64x2);
+REN(insert, i128, i64x2);
+#  else
+REN(extract, f128, f32x4);
+REN(extract, i128, i32x4);
+REN(insert, f128, f32x4);
+REN(insert, i128, i32x4);
+#  endif
+#  if ELEM_SIZE == 8
+REN(movdqa, , 64);
+REN(movdqu, , 64);
+REN(pand, , q);
+REN(pandn, , q);
+REN(por, , q);
+REN(pxor, , q);
+#  else
+#   if ELEM_SIZE == 1 && defined(__AVX512BW__)
+REN(movdq, a, u8);
+REN(movdqu, , 8);
+#   elif ELEM_SIZE == 2 && defined(__AVX512BW__)
+REN(movdq, a, u16);
+REN(movdqu, , 16);
+#   else
+REN(movdqa, , 32);
+REN(movdqu, , 32);
+#   endif
+REN(pand, , d);
+REN(pandn, , d);
+REN(por, , d);
+REN(pxor, , d);
+#  endif
+OVR(movntdq);
+OVR(movntdqa);
+OVR(pmulld);
+OVR(pmuldq);
+OVR(pmuludq);
+# endif
 
 # undef OVR_VFP
 # undef OVR_SFP

diff --git a/tools/tests/x86_emulator/test_x86_emulator.c b/tools/tests/x86_emulator/test_x86_emulator.c
index 38da18e7d066868b53245cefc810a02539bd5c7b..e9cf5f7b6ae6ffe138b0617823c3b7a0b9236619 100644 (file)
--- a/tools/tests/x86_emulator/test_x86_emulator.c
+++ b/tools/tests/x86_emulator/test_x86_emulator.c
@@ -88,6 +88,11 @@ static bool simd_check_avx512f(void)
 }
 #define simd_check_avx512f_opmask simd_check_avx512f
 
+static bool simd_check_avx512f_vl(void)
+{
+    return cpu_has_avx512f && cpu_has_avx512vl;
+}
+
 static bool simd_check_avx512dq(void)
 {
     return cpu_has_avx512dq;
@@ -142,11 +147,21 @@ static const struct {
       .check_cpu = simd_check_ ## feat,                             \
       .set_regs = simd_set_regs,                                    \
       .check_regs = simd_check_regs }
+#define AVX512VL_(bits, desc, feat, form)                          \
+    { .code = feat ## _x86_ ## bits ## _D ## _ ## form,            \
+      .size = sizeof(feat ## _x86_ ## bits ## _D ## _ ## form),    \
+      .bitness = bits, .name = "AVX512" #desc,                     \
+      .check_cpu = simd_check_ ## feat ## _vl,                     \
+      .set_regs = simd_set_regs,                                   \
+      .check_regs = simd_check_regs }
 #ifdef __x86_64__
 # define SIMD(desc, feat, form) SIMD_(64, desc, feat, form), \
                                 SIMD_(32, desc, feat, form)
+# define AVX512VL(desc, feat, form) AVX512VL_(64, desc, feat, form), \
+                                    AVX512VL_(32, desc, feat, form)
 #else
 # define SIMD(desc, feat, form) SIMD_(32, desc, feat, form)
+# define AVX512VL(desc, feat, form) AVX512VL_(32, desc, feat, form)
 #endif
     SIMD(3DNow! single,          _3dnow,     8f4),
     SIMD(SSE scalar single,      sse,         f4),
@@ -257,6 +272,20 @@ static const struct {
     SIMD(AVX512F u32x16,      avx512f,      64u4),
     SIMD(AVX512F s64x8,       avx512f,      64i8),
     SIMD(AVX512F u64x8,       avx512f,      64u8),
+    AVX512VL(VL f32x4,        avx512f,      16f4),
+    AVX512VL(VL f64x2,        avx512f,      16f8),
+    AVX512VL(VL f32x8,        avx512f,      32f4),
+    AVX512VL(VL f64x4,        avx512f,      32f8),
+    AVX512VL(VL s32x4,        avx512f,      16i4),
+    AVX512VL(VL u32x4,        avx512f,      16u4),
+    AVX512VL(VL s32x8,        avx512f,      32i4),
+    AVX512VL(VL u32x8,        avx512f,      32u4),
+    AVX512VL(VL s64x2,        avx512f,      16i8),
+    AVX512VL(VL u64x2,        avx512f,      16u8),
+    AVX512VL(VL s64x4,        avx512f,      32i8),
+    AVX512VL(VL u64x4,        avx512f,      32u8),
+#undef AVX512VL_
+#undef AVX512VL
 #undef SIMD_
 #undef SIMD
 };