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<sys/platform/x86.h>: Add PREFETCHI support

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Add PREFETCHI 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 09:21:44 -07:00
parent b05521c916
commit 81a3cc956e
5 changed files with 10 additions and 0 deletions
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3
manual/platform.texi
View File

@ -533,6 +533,9 @@ extended state management using XSAVE/XRSTOR.
@item
@code{PREFETCHWT1} -- PREFETCHWT1 instruction.
@item
@code{PREFETCHI} -- PREFETCHIT0/1 instructions.
@item
@code{PSE} -- Page Size Extension.

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

@ -311,6 +311,7 @@ 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_PREFETCHI = x86_cpu_index_7_ecx_1_edx + 14,
x86_cpu_index_19_ebx
= (CPUID_INDEX_19 * 8 * 4 * sizeof (unsigned int)

1
sysdeps/x86/cpu-features.c
View File

@ -104,6 +104,7 @@ update_active (struct cpu_features *cpu_features)
CPU_FEATURE_SET_ACTIVE (cpu_features, FZLRM);
CPU_FEATURE_SET_ACTIVE (cpu_features, FSRS);
CPU_FEATURE_SET_ACTIVE (cpu_features, FSRCS);
CPU_FEATURE_SET_ACTIVE (cpu_features, PREFETCHI);
CPU_FEATURE_SET_ACTIVE (cpu_features, PTWRITE);
if (!CPU_FEATURES_CPU_P (cpu_features, RTM_ALWAYS_ABORT))

3
sysdeps/x86/include/cpu-features.h
View File

@ -318,6 +318,7 @@ enum
#define bit_cpu_AVX_VNNI_INT8 (1u << 4)
#define bit_cpu_AVX_NE_CONVERT (1u << 5)
#define bit_cpu_AMX_COMPLEX (1u << 8)
#define bit_cpu_PREFETCHI (1u << 14)
/* CPUID_INDEX_19. */
@ -560,6 +561,7 @@ enum
#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
#define index_cpu_PREFETCHI CPUID_INDEX_7_ECX_1
/* CPUID_INDEX_19. */
@ -804,6 +806,7 @@ enum
#define reg_AVX_VNNI_INT8 edx
#define reg_AVX_NE_CONVERT edx
#define reg_AMX_COMPLEX edx
#define reg_PREFETCHI edx
/* CPUID_INDEX_19. */

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

@ -218,6 +218,7 @@ do_test (void)
CHECK_CPU_FEATURE_PRESENT (AVX_VNNI_INT8);
CHECK_CPU_FEATURE_PRESENT (AVX_NE_CONVERT);
CHECK_CPU_FEATURE_PRESENT (AMX_COMPLEX);
CHECK_CPU_FEATURE_PRESENT (PREFETCHI);
CHECK_CPU_FEATURE_PRESENT (AESKLE);
CHECK_CPU_FEATURE_PRESENT (WIDE_KL);
CHECK_CPU_FEATURE_PRESENT (PTWRITE);
@ -388,6 +389,7 @@ do_test (void)
CHECK_CPU_FEATURE_ACTIVE (AVX_VNNI_INT8);
CHECK_CPU_FEATURE_ACTIVE (AVX_NE_CONVERT);
CHECK_CPU_FEATURE_ACTIVE (AMX_COMPLEX);
CHECK_CPU_FEATURE_ACTIVE (PREFETCHI);
CHECK_CPU_FEATURE_ACTIVE (AESKLE);
CHECK_CPU_FEATURE_ACTIVE (WIDE_KL);
CHECK_CPU_FEATURE_ACTIVE (PTWRITE);