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| author | H.J. Lu <hjl.tools@gmail.com> | 2023-04-05 09:21:44 -0700 |
|---|---|---|
| committer | H.J. Lu <hjl.tools@gmail.com> | 2023-04-05 14:46:10 -0700 |
| commit | 81a3cc956ef4e324c83419fa6d7a559d6e762cd7 (patch) | |
| tree | 38577f5fbafae8872dd03ffe1d8345e2de7f9dfb | |
| parent | b05521c916790dbaeb953fca7b979a889d868db2 (diff) | |
| download | glibc-81a3cc956ef4e324c83419fa6d7a559d6e762cd7.tar.gz glibc-81a3cc956ef4e324c83419fa6d7a559d6e762cd7.tar.xz glibc-81a3cc956ef4e324c83419fa6d7a559d6e762cd7.zip | |
<sys/platform/x86.h>: Add PREFETCHI support
Add PREFETCHI support to <sys/platform/x86.h>. Reviewed-by: Noah Goldstein <goldstein.w.n@gmail.com>
| -rw-r--r-- | manual/platform.texi | 3 | ||||
| -rw-r--r-- | sysdeps/x86/bits/platform/x86.h | 1 | ||||
| -rw-r--r-- | sysdeps/x86/cpu-features.c | 1 | ||||
| -rw-r--r-- | sysdeps/x86/include/cpu-features.h | 3 | ||||
| -rw-r--r-- | sysdeps/x86/tst-get-cpu-features.c | 2 |
5 files changed, 10 insertions, 0 deletions
diff --git a/manual/platform.texi b/manual/platform.texi index e7448ffc1a..c6ed73cb97 100644 --- a/manual/platform.texi +++ b/manual/platform.texi @@ -534,6 +534,9 @@ extended state management using XSAVE/XRSTOR. @code{PREFETCHWT1} -- PREFETCHWT1 instruction. @item +@code{PREFETCHI} -- PREFETCHIT0/1 instructions. + +@item @code{PSE} -- Page Size Extension. @item diff --git a/sysdeps/x86/bits/platform/x86.h b/sysdeps/x86/bits/platform/x86.h index 96eb4c070d..6555f9b91d 100644 --- a/sysdeps/x86/bits/platform/x86.h +++ b/sysdeps/x86/bits/platform/x86.h @@ -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) diff --git a/sysdeps/x86/cpu-features.c b/sysdeps/x86/cpu-features.c index c2bea6a32d..5bff8ec0b4 100644 --- a/sysdeps/x86/cpu-features.c +++ b/sysdeps/x86/cpu-features.c @@ -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)) diff --git a/sysdeps/x86/include/cpu-features.h b/sysdeps/x86/include/cpu-features.h index f14c1078d5..40b8129d6a 100644 --- a/sysdeps/x86/include/cpu-features.h +++ b/sysdeps/x86/include/cpu-features.h @@ -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. */ diff --git a/sysdeps/x86/tst-get-cpu-features.c b/sysdeps/x86/tst-get-cpu-features.c index 87fe27340f..1bd7e0be53 100644 --- a/sysdeps/x86/tst-get-cpu-features.c +++ b/sysdeps/x86/tst-get-cpu-features.c @@ -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); |