<sys/platform/x86.h>: Add AMX-COMPLEX support

Add AMX-COMPLEX support to <sys/platform/x86.h>.
Reviewed-by: Noah Goldstein <goldstein.w.n@gmail.com>

diff --git a/manual/platform.texi b/manual/platform.texi
index 1e120993d70dc66098bee6f31635343e02b63c37..e7448ffc1aae78cfe7f5850bfaab708a8be902ff 100644 (file)
--- a/manual/platform.texi
+++ b/manual/platform.texi
@@ -197,6 +197,9 @@ The supported processor features are:
 @item
 @code{AMX_BF16} -- Tile computational operations on bfloat16 numbers.
 
+@item
+@code{AMX_COMPLEX} -- Tile computational operations on complex FP16 numbers.
+
 @item
 @code{AMX_INT8} -- Tile computational operations on 8-bit numbers.
 

diff --git a/sysdeps/x86/bits/platform/x86.h b/sysdeps/x86/bits/platform/x86.h
index d8ba33bd42f0ab94366ee57c7ebb19a8208b18c3..96eb4c070debf6d3a774b7d3a3206c9c377481c2 100644 (file)
--- a/sysdeps/x86/bits/platform/x86.h
+++ b/sysdeps/x86/bits/platform/x86.h
@@ -310,6 +310,7 @@ enum
 
   x86_cpu_AVX_VNNI_INT8                = x86_cpu_index_7_ecx_1_edx + 4,
   x86_cpu_AVX_NE_CONVERT       = x86_cpu_index_7_ecx_1_edx + 5,
+  x86_cpu_AMX_COMPLEX          = x86_cpu_index_7_ecx_1_edx + 8,
 
   x86_cpu_index_19_ebx
     = (CPUID_INDEX_19 * 8 * 4 * sizeof (unsigned int)

diff --git a/sysdeps/x86/cpu-features.c b/sysdeps/x86/cpu-features.c
index dfd1b85dce0b1dae28dcb33705666018e3c03990..c2bea6a32d8ad60b4d5c1a96f3da371593fda1c3 100644 (file)
--- a/sysdeps/x86/cpu-features.c
+++ b/sysdeps/x86/cpu-features.c
@@ -221,6 +221,8 @@ update_active (struct cpu_features *cpu_features)
          CPU_FEATURE_SET_ACTIVE (cpu_features, AMX_INT8);
          /* Determine if AMX_FP16 is usable.  */
          CPU_FEATURE_SET_ACTIVE (cpu_features, AMX_FP16);
+         /* Determine if AMX_COMPLEX is usable.  */
+         CPU_FEATURE_SET_ACTIVE (cpu_features, AMX_COMPLEX);
        }
 
       /* These features are usable only when OSXSAVE is enabled.  */

diff --git a/sysdeps/x86/include/cpu-features.h b/sysdeps/x86/include/cpu-features.h
index 673cf8ca92cd26f4be84231e23dc682257e2b9d2..f14c1078d5a2909ef0ed519a38143c7841f50be4 100644 (file)
--- a/sysdeps/x86/include/cpu-features.h
+++ b/sysdeps/x86/include/cpu-features.h
@@ -317,6 +317,7 @@ enum
 /* EDX.  */
 #define bit_cpu_AVX_VNNI_INT8  (1u << 4)
 #define bit_cpu_AVX_NE_CONVERT (1u << 5)
+#define bit_cpu_AMX_COMPLEX    (1u << 8)
 
 /* CPUID_INDEX_19.  */
 
@@ -558,6 +559,7 @@ enum
 #define index_cpu_LAM          CPUID_INDEX_7_ECX_1
 #define index_cpu_AVX_VNNI_INT8        CPUID_INDEX_7_ECX_1
 #define index_cpu_AVX_NE_CONVERT CPUID_INDEX_7_ECX_1
+#define index_cpu_AMX_COMPLEX  CPUID_INDEX_7_ECX_1
 
 /* CPUID_INDEX_19.  */
 
@@ -801,6 +803,7 @@ enum
 /* EDX.  */
 #define reg_AVX_VNNI_INT8      edx
 #define reg_AVX_NE_CONVERT     edx
+#define reg_AMX_COMPLEX                edx
 
 /* CPUID_INDEX_19.  */
 

diff --git a/sysdeps/x86/tst-get-cpu-features.c b/sysdeps/x86/tst-get-cpu-features.c
index bb1b67fd1c88acf4809bb176022d3b3aa85a6ba1..87fe27340f347732f589ef680e53b2dd6a34dacc 100644 (file)
--- a/sysdeps/x86/tst-get-cpu-features.c
+++ b/sysdeps/x86/tst-get-cpu-features.c
@@ -217,6 +217,7 @@ do_test (void)
   CHECK_CPU_FEATURE_PRESENT (MSRLIST);
   CHECK_CPU_FEATURE_PRESENT (AVX_VNNI_INT8);
   CHECK_CPU_FEATURE_PRESENT (AVX_NE_CONVERT);
+  CHECK_CPU_FEATURE_PRESENT (AMX_COMPLEX);
   CHECK_CPU_FEATURE_PRESENT (AESKLE);
   CHECK_CPU_FEATURE_PRESENT (WIDE_KL);
   CHECK_CPU_FEATURE_PRESENT (PTWRITE);
@@ -386,6 +387,7 @@ do_test (void)
   CHECK_CPU_FEATURE_ACTIVE (AVX_IFMA);
   CHECK_CPU_FEATURE_ACTIVE (AVX_VNNI_INT8);
   CHECK_CPU_FEATURE_ACTIVE (AVX_NE_CONVERT);
+  CHECK_CPU_FEATURE_ACTIVE (AMX_COMPLEX);
   CHECK_CPU_FEATURE_ACTIVE (AESKLE);
   CHECK_CPU_FEATURE_ACTIVE (WIDE_KL);
   CHECK_CPU_FEATURE_ACTIVE (PTWRITE);