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<sys/platform/x86.h>: Add AVX-IFMA support

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Add AVX-IFMA support to <sys/platform/x86.h>.
Reviewed-by: Noah Goldstein <goldstein.w.n@gmail.com>
This commit is contained in:
H.J. Lu 2023-04-05 09:21:39 -07:00
parent 8b4cc05eab
commit 96037c697d
5 changed files with 11 additions and 0 deletions
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3
manual/platform.texi
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@ -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.

1
sysdeps/x86/bits/platform/x86.h
View File

@ -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

2
sysdeps/x86/cpu-features.c
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@ -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. */

3
sysdeps/x86/include/cpu-features.h
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@ -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. */

2
sysdeps/x86/tst-get-cpu-features.c
View File

@ -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);