diff options
| -rw-r--r-- | sysdeps/x86/cpu-features.c | 18 | ||||
| -rw-r--r-- | sysdeps/x86/cpu-features.h | 20 | ||||
| -rw-r--r-- | sysdeps/x86/tst-get-cpu-features.c | 6 |
3 files changed, 44 insertions, 0 deletions
diff --git a/sysdeps/x86/cpu-features.c b/sysdeps/x86/cpu-features.c index 79bc0d7..c351bdd 100644 --- a/sysdeps/x86/cpu-features.c +++ b/sysdeps/x86/cpu-features.c @@ -239,6 +239,24 @@ get_common_indices (struct cpu_features *cpu_features, } } + /* Are XTILECFG and XTILEDATA states usable? */ + if ((xcrlow & (bit_XTILECFG_state | bit_XTILEDATA_state)) + == (bit_XTILECFG_state | bit_XTILEDATA_state)) + { + /* Determine if AMX_BF16 is usable. */ + if (CPU_FEATURES_CPU_P (cpu_features, AMX_BF16)) + cpu_features->usable[index_arch_AMX_BF16_Usable] + |= bit_arch_AMX_BF16_Usable; + /* Determine if AMX_TILE is usable. */ + if (CPU_FEATURES_CPU_P (cpu_features, AMX_TILE)) + cpu_features->usable[index_arch_AMX_TILE_Usable] + |= bit_arch_AMX_TILE_Usable; + /* Determine if AMX_INT8 is usable. */ + if (CPU_FEATURES_CPU_P (cpu_features, AMX_INT8)) + cpu_features->usable[index_arch_AMX_INT8_Usable] + |= bit_arch_AMX_INT8_Usable; + } + /* For _dl_runtime_resolve, set xsave_state_size to xsave area size + integer register save size and align it to 64 bytes. */ if (cpu_features->basic.max_cpuid >= 0xd) diff --git a/sysdeps/x86/cpu-features.h b/sysdeps/x86/cpu-features.h index 574f055..d66dc20 100644 --- a/sysdeps/x86/cpu-features.h +++ b/sysdeps/x86/cpu-features.h @@ -156,6 +156,9 @@ extern const struct cpu_features *__get_cpu_features (void) #define bit_arch_AVX512_VP2INTERSECT_Usable (1u << 24) #define bit_arch_AVX512_BF16_Usable (1u << 25) #define bit_arch_PKU_Usable (1u << 26) +#define bit_arch_AMX_BF16_Usable (1u << 27) +#define bit_arch_AMX_TILE_Usable (1u << 28) +#define bit_arch_AMX_INT8_Usable (1u << 29) #define index_arch_AVX_Usable USABLE_FEATURE_INDEX_1 #define index_arch_AVX2_Usable USABLE_FEATURE_INDEX_1 @@ -184,6 +187,9 @@ extern const struct cpu_features *__get_cpu_features (void) #define index_arch_AVX512_VP2INTERSECT_Usable USABLE_FEATURE_INDEX_1 #define index_arch_AVX512_BF16_Usable USABLE_FEATURE_INDEX_1 #define index_arch_PKU_Usable USABLE_FEATURE_INDEX_1 +#define index_arch_AMX_BF16_Usable USABLE_FEATURE_INDEX_1 +#define index_arch_AMX_TILE_Usable USABLE_FEATURE_INDEX_1 +#define index_arch_AMX_INT8_Usable USABLE_FEATURE_INDEX_1 #define feature_AVX_Usable usable #define feature_AVX2_Usable usable @@ -212,6 +218,9 @@ extern const struct cpu_features *__get_cpu_features (void) #define feature_AVX512_VP2INTERSECT_Usable usable #define feature_AVX512_BF16_Usable usable #define feature_PKU_Usable usable +#define feature_AMX_BF16_Usable usable +#define feature_AMX_TILE_Usable usable +#define feature_AMX_INT8_Usable usable /* CPU features. */ @@ -347,6 +356,9 @@ extern const struct cpu_features *__get_cpu_features (void) #define bit_cpu_TSXLDTRK (1u << 16) #define bit_cpu_PCONFIG (1u << 18) #define bit_cpu_IBT (1u << 20) +#define bit_cpu_AMX_BF16 (1u << 22) +#define bit_cpu_AMX_TILE (1u << 24) +#define bit_cpu_AMX_INT8 (1u << 25) #define bit_cpu_IBRS_IBPB (1u << 26) #define bit_cpu_STIBP (1u << 27) #define bit_cpu_L1D_FLUSH (1u << 28) @@ -529,6 +541,9 @@ extern const struct cpu_features *__get_cpu_features (void) #define index_cpu_TSXLDTRK COMMON_CPUID_INDEX_7 #define index_cpu_PCONFIG COMMON_CPUID_INDEX_7 #define index_cpu_IBT COMMON_CPUID_INDEX_7 +#define index_cpu_AMX_BF16 COMMON_CPUID_INDEX_7 +#define index_cpu_AMX_TILE COMMON_CPUID_INDEX_7 +#define index_cpu_AMX_INT8 COMMON_CPUID_INDEX_7 #define index_cpu_IBRS_IBPB COMMON_CPUID_INDEX_7 #define index_cpu_STIBP COMMON_CPUID_INDEX_7 #define index_cpu_L1D_FLUSH COMMON_CPUID_INDEX_7 @@ -711,6 +726,9 @@ extern const struct cpu_features *__get_cpu_features (void) #define reg_TSXLDTRK edx #define reg_PCONFIG edx #define reg_IBT edx +#define reg_AMX_BF16 edx +#define reg_AMX_TILE edx +#define reg_AMX_INT8 edx #define reg_IBRS_IBPB edx #define reg_STIBP edx #define reg_L1D_FLUSH edx @@ -819,6 +837,8 @@ extern const struct cpu_features *__get_cpu_features (void) #define bit_Opmask_state (1u << 5) #define bit_ZMM0_15_state (1u << 6) #define bit_ZMM16_31_state (1u << 7) +#define bit_XTILECFG_state (1u << 17) +#define bit_XTILEDATA_state (1u << 18) # if defined (_LIBC) && !IS_IN (nonlib) /* Unused for x86. */ diff --git a/sysdeps/x86/tst-get-cpu-features.c b/sysdeps/x86/tst-get-cpu-features.c index c60918c..dafd664 100644 --- a/sysdeps/x86/tst-get-cpu-features.c +++ b/sysdeps/x86/tst-get-cpu-features.c @@ -187,6 +187,9 @@ do_test (void) CHECK_CPU_FEATURE (TSXLDTRK); CHECK_CPU_FEATURE (PCONFIG); CHECK_CPU_FEATURE (IBT); + CHECK_CPU_FEATURE (AMX_BF16); + CHECK_CPU_FEATURE (AMX_TILE); + CHECK_CPU_FEATURE (AMX_INT8); CHECK_CPU_FEATURE (IBRS_IBPB); CHECK_CPU_FEATURE (STIBP); CHECK_CPU_FEATURE (L1D_FLUSH); @@ -239,6 +242,9 @@ do_test (void) CHECK_CPU_FEATURE_USABLE (AVX512_4VNNIW); CHECK_CPU_FEATURE_USABLE (AVX512_4FMAPS); CHECK_CPU_FEATURE_USABLE (AVX512_VP2INTERSECT); + CHECK_CPU_FEATURE_USABLE (AMX_BF16); + CHECK_CPU_FEATURE_USABLE (AMX_TILE); + CHECK_CPU_FEATURE_USABLE (AMX_INT8); CHECK_CPU_FEATURE_USABLE (XOP); CHECK_CPU_FEATURE_USABLE (FMA4); CHECK_CPU_FEATURE_USABLE (XSAVEC); |