From: "H.J. Lu" <hjl.tools@gmail.com>
To: libc-alpha@sourceware.org
Subject: [PATCH 14/19] <sys/platform/x86.h>: Add AVX-IFMA support
Date: Wed, 5 Apr 2023 09:21:39 -0700 [thread overview]
Message-ID: <20230405162144.984598-15-hjl.tools@gmail.com> (raw)
In-Reply-To: <20230405162144.984598-1-hjl.tools@gmail.com>
Add AVX-IFMA support to <sys/platform/x86.h>.
---
manual/platform.texi | 3 +++
sysdeps/x86/bits/platform/x86.h | 1 +
sysdeps/x86/cpu-features.c | 2 ++
sysdeps/x86/include/cpu-features.h | 3 +++
sysdeps/x86/tst-get-cpu-features.c | 2 ++
5 files changed, 11 insertions(+)
diff --git a/manual/platform.texi b/manual/platform.texi
index 7d4aa3d339..af75e5c413 100644
--- a/manual/platform.texi
+++ b/manual/platform.texi
@@ -219,6 +219,9 @@ Leaf (EAX = 23H).
@item
@code{AVX2} -- The AVX2 instruction extensions.
+@item
+@code{AVX_IFMA} -- The AVX-IFMA instruction extensions.
+
@item
@code{AVX_VNNI} -- The AVX-VNNI instruction extensions.
diff --git a/sysdeps/x86/bits/platform/x86.h b/sysdeps/x86/bits/platform/x86.h
index 2776c69b16..abc0116607 100644
--- a/sysdeps/x86/bits/platform/x86.h
+++ b/sysdeps/x86/bits/platform/x86.h
@@ -300,6 +300,7 @@ enum
x86_cpu_WRMSRNS = x86_cpu_index_7_ecx_1_eax + 19,
x86_cpu_AMX_FP16 = x86_cpu_index_7_ecx_1_eax + 21,
x86_cpu_HRESET = x86_cpu_index_7_ecx_1_eax + 22,
+ x86_cpu_AVX_IFMA = x86_cpu_index_7_ecx_1_eax + 23,
x86_cpu_LAM = x86_cpu_index_7_ecx_1_eax + 26,
x86_cpu_index_19_ebx
diff --git a/sysdeps/x86/cpu-features.c b/sysdeps/x86/cpu-features.c
index 6c1b5efc5f..06fae443a8 100644
--- a/sysdeps/x86/cpu-features.c
+++ b/sysdeps/x86/cpu-features.c
@@ -139,6 +139,8 @@ update_active (struct cpu_features *cpu_features)
cpu_features->preferred[index_arch_AVX_Fast_Unaligned_Load]
|= bit_arch_AVX_Fast_Unaligned_Load;
}
+ /* Determine if AVX-IFMA is usable. */
+ CPU_FEATURE_SET_ACTIVE (cpu_features, AVX_IFMA);
/* Determine if AVX-VNNI is usable. */
CPU_FEATURE_SET_ACTIVE (cpu_features, AVX_VNNI);
/* Determine if FMA is usable. */
diff --git a/sysdeps/x86/include/cpu-features.h b/sysdeps/x86/include/cpu-features.h
index 07c841c1d4..1f4b6831f9 100644
--- a/sysdeps/x86/include/cpu-features.h
+++ b/sysdeps/x86/include/cpu-features.h
@@ -311,6 +311,7 @@ enum
#define bit_cpu_FSRCS (1u << 12)
#define bit_cpu_AMX_FP16 (1u << 21)
#define bit_cpu_HRESET (1u << 22)
+#define bit_cpu_AVX_IFMA (1u << 23)
#define bit_cpu_LAM (1u << 26)
/* CPUID_INDEX_19. */
@@ -549,6 +550,7 @@ enum
#define index_cpu_FSRCS CPUID_INDEX_7_ECX_1
#define index_cpu_AMX_FP16 CPUID_INDEX_7_ECX_1
#define index_cpu_HRESET CPUID_INDEX_7_ECX_1
+#define index_cpu_AVX_IFMA CPUID_INDEX_7_ECX_1
#define index_cpu_LAM CPUID_INDEX_7_ECX_1
/* CPUID_INDEX_19. */
@@ -787,6 +789,7 @@ enum
#define reg_FSRCS eax
#define reg_AMX_FP16 eax
#define reg_HRESET eax
+#define reg_AVX_IFMA eax
#define reg_LAM eax
/* CPUID_INDEX_19. */
diff --git a/sysdeps/x86/tst-get-cpu-features.c b/sysdeps/x86/tst-get-cpu-features.c
index c0f222cb77..3a2d4671ec 100644
--- a/sysdeps/x86/tst-get-cpu-features.c
+++ b/sysdeps/x86/tst-get-cpu-features.c
@@ -212,6 +212,7 @@ do_test (void)
CHECK_CPU_FEATURE_PRESENT (WRMSRNS);
CHECK_CPU_FEATURE_PRESENT (AMX_FP16);
CHECK_CPU_FEATURE_PRESENT (HRESET);
+ CHECK_CPU_FEATURE_PRESENT (AVX_IFMA);
CHECK_CPU_FEATURE_PRESENT (LAM);
CHECK_CPU_FEATURE_PRESENT (AESKLE);
CHECK_CPU_FEATURE_PRESENT (WIDE_KL);
@@ -379,6 +380,7 @@ do_test (void)
CHECK_CPU_FEATURE_ACTIVE (FSRS);
CHECK_CPU_FEATURE_ACTIVE (FSRCS);
CHECK_CPU_FEATURE_ACTIVE (AMX_FP16);
+ CHECK_CPU_FEATURE_ACTIVE (AVX_IFMA);
CHECK_CPU_FEATURE_ACTIVE (AESKLE);
CHECK_CPU_FEATURE_ACTIVE (WIDE_KL);
CHECK_CPU_FEATURE_ACTIVE (PTWRITE);
--
2.39.2
next prev parent reply other threads:[~2023-04-05 16:21 UTC|newest]
Thread overview: 44+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-04-05 16:21 [PATCH 00/19] <sys/platform/x86.h>: Update CPUID features H.J. Lu
2023-04-05 16:21 ` [PATCH 01/19] <bits/platform/x86.h>: Rename to x86_cpu_INDEX_7_ECX_15 H.J. Lu
2023-04-05 21:02 ` Noah Goldstein
2023-04-05 16:21 ` [PATCH 02/19] platform.texi: Move LAM after LAHF64_SAHF64 H.J. Lu
2023-04-05 21:02 ` Noah Goldstein
2023-04-05 16:21 ` [PATCH 03/19] <sys/platform/x86.h>: Add LA57 support H.J. Lu
2023-04-05 18:19 ` Noah Goldstein
2023-04-05 18:38 ` H.J. Lu
2023-04-05 21:02 ` Noah Goldstein
2023-04-05 16:21 ` [PATCH 04/19] <sys/platform/x86.h>: Add BUS_LOCK_DETECT support H.J. Lu
2023-04-05 18:20 ` Noah Goldstein
2023-04-05 21:03 ` Noah Goldstein
2023-04-05 16:21 ` [PATCH 05/19] <sys/platform/x86.h>: Add SGX-KEYS support H.J. Lu
2023-04-05 18:21 ` Noah Goldstein
2023-04-05 18:39 ` H.J. Lu
2023-04-05 21:03 ` Noah Goldstein
2023-04-05 16:21 ` [PATCH 06/19] <sys/platform/x86.h>: Add RTM_FORCE_ABORT support H.J. Lu
2023-04-05 21:03 ` Noah Goldstein
2023-04-05 16:21 ` [PATCH 07/19] <sys/platform/x86.h>: Add LBR support H.J. Lu
2023-04-05 21:03 ` Noah Goldstein
2023-04-05 16:21 ` [PATCH 08/19] <sys/platform/x86.h>: Add RAO-INT support H.J. Lu
2023-04-05 21:03 ` Noah Goldstein
2023-04-05 16:21 ` [PATCH 09/19] <sys/platform/x86.h>: Add LASS support H.J. Lu
2023-04-05 21:04 ` Noah Goldstein
2023-04-05 16:21 ` [PATCH 10/19] <sys/platform/x86.h>: Add CMPCCXADD support H.J. Lu
2023-04-05 21:04 ` Noah Goldstein
2023-04-05 16:21 ` [PATCH 11/19] <sys/platform/x86.h>: Add ArchPerfmonExt support H.J. Lu
2023-04-05 21:04 ` Noah Goldstein
2023-04-05 16:21 ` [PATCH 12/19] <sys/platform/x86.h>: Add WRMSRNS support H.J. Lu
2023-04-05 21:04 ` Noah Goldstein
2023-04-05 16:21 ` [PATCH 13/19] <sys/platform/x86.h>: Add AMX-FP16 support H.J. Lu
2023-04-05 21:04 ` Noah Goldstein
2023-04-05 16:21 ` H.J. Lu [this message]
2023-04-05 21:05 ` [PATCH 14/19] <sys/platform/x86.h>: Add AVX-IFMA support Noah Goldstein
2023-04-05 16:21 ` [PATCH 15/19] <sys/platform/x86.h>: Add MSRLIST support H.J. Lu
2023-04-05 21:05 ` Noah Goldstein
2023-04-05 16:21 ` [PATCH 16/19] <sys/platform/x86.h>: Add AVX-VNNI-INT8 support H.J. Lu
2023-04-05 21:05 ` Noah Goldstein
2023-04-05 16:21 ` [PATCH 17/19] <sys/platform/x86.h>: Add AVX-NE-CONVERT support H.J. Lu
2023-04-05 21:05 ` Noah Goldstein
2023-04-05 16:21 ` [PATCH 18/19] <sys/platform/x86.h>: Add AMX-COMPLEX support H.J. Lu
2023-04-05 21:05 ` Noah Goldstein
2023-04-05 16:21 ` [PATCH 19/19] <sys/platform/x86.h>: Add PREFETCHI support H.J. Lu
2023-04-05 21:05 ` Noah Goldstein
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