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| author | H.J. Lu <hjl.tools@gmail.com> | 2023-04-05 09:21:38 -0700 |
|---|---|---|
| committer | H.J. Lu <hjl.tools@gmail.com> | 2023-04-05 14:46:10 -0700 |
| commit | 8b4cc05eabdb67902171d8c05a4915d14b1e5f58 (patch) | |
| tree | 9a614854689deb658058c7d0cf04d478e5721d8e | |
| parent | 227983551d3b590e1a9ed4e81d793b7f6abfadd2 (diff) | |
| download | glibc-8b4cc05eabdb67902171d8c05a4915d14b1e5f58.tar.gz | |
<sys/platform/x86.h>: Add AMX-FP16 support
Add AMX-FP16 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 | 2 | ||||
| -rw-r--r-- | sysdeps/x86/include/cpu-features.h | 3 | ||||
| -rw-r--r-- | sysdeps/x86/tst-get-cpu-features.c | 2 |
5 files changed, 11 insertions, 0 deletions
diff --git a/manual/platform.texi b/manual/platform.texi index af79f5eb4d..7d4aa3d339 100644 --- a/manual/platform.texi +++ b/manual/platform.texi @@ -201,6 +201,9 @@ The supported processor features are: @code{AMX_INT8} -- Tile computational operations on 8-bit numbers. @item +@code{AMX_FP16} -- Tile computational operations on FP16 numbers. + +@item @code{AMX_TILE} -- Tile architecture. @item diff --git a/sysdeps/x86/bits/platform/x86.h b/sysdeps/x86/bits/platform/x86.h index 2a15ad937a..2776c69b16 100644 --- a/sysdeps/x86/bits/platform/x86.h +++ b/sysdeps/x86/bits/platform/x86.h @@ -298,6 +298,7 @@ enum x86_cpu_FSRS = x86_cpu_index_7_ecx_1_eax + 11, x86_cpu_FSRCS = x86_cpu_index_7_ecx_1_eax + 12, 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_LAM = x86_cpu_index_7_ecx_1_eax + 26, diff --git a/sysdeps/x86/cpu-features.c b/sysdeps/x86/cpu-features.c index da04ad0b00..6c1b5efc5f 100644 --- a/sysdeps/x86/cpu-features.c +++ b/sysdeps/x86/cpu-features.c @@ -213,6 +213,8 @@ update_active (struct cpu_features *cpu_features) CPU_FEATURE_SET_ACTIVE (cpu_features, AMX_TILE); /* Determine if AMX_INT8 is usable. */ CPU_FEATURE_SET_ACTIVE (cpu_features, AMX_INT8); + /* Determine if AMX_FP16 is usable. */ + CPU_FEATURE_SET_ACTIVE (cpu_features, AMX_FP16); } /* These features are usable only when OSXSAVE is enabled. */ diff --git a/sysdeps/x86/include/cpu-features.h b/sysdeps/x86/include/cpu-features.h index 4e40fe0482..07c841c1d4 100644 --- a/sysdeps/x86/include/cpu-features.h +++ b/sysdeps/x86/include/cpu-features.h @@ -309,6 +309,7 @@ enum #define bit_cpu_FZLRM (1u << 10) #define bit_cpu_FSRS (1u << 11) #define bit_cpu_FSRCS (1u << 12) +#define bit_cpu_AMX_FP16 (1u << 21) #define bit_cpu_HRESET (1u << 22) #define bit_cpu_LAM (1u << 26) @@ -546,6 +547,7 @@ enum #define index_cpu_FZLRM CPUID_INDEX_7_ECX_1 #define index_cpu_FSRS CPUID_INDEX_7_ECX_1 #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_LAM CPUID_INDEX_7_ECX_1 @@ -783,6 +785,7 @@ enum #define reg_FZLRM eax #define reg_FSRS eax #define reg_FSRCS eax +#define reg_AMX_FP16 eax #define reg_HRESET eax #define reg_LAM eax diff --git a/sysdeps/x86/tst-get-cpu-features.c b/sysdeps/x86/tst-get-cpu-features.c index 9c436eaa64..c0f222cb77 100644 --- a/sysdeps/x86/tst-get-cpu-features.c +++ b/sysdeps/x86/tst-get-cpu-features.c @@ -210,6 +210,7 @@ do_test (void) CHECK_CPU_FEATURE_PRESENT (FSRS); CHECK_CPU_FEATURE_PRESENT (FSRCS); CHECK_CPU_FEATURE_PRESENT (WRMSRNS); + CHECK_CPU_FEATURE_PRESENT (AMX_FP16); CHECK_CPU_FEATURE_PRESENT (HRESET); CHECK_CPU_FEATURE_PRESENT (LAM); CHECK_CPU_FEATURE_PRESENT (AESKLE); @@ -377,6 +378,7 @@ do_test (void) CHECK_CPU_FEATURE_ACTIVE (FZLRM); CHECK_CPU_FEATURE_ACTIVE (FSRS); CHECK_CPU_FEATURE_ACTIVE (FSRCS); + CHECK_CPU_FEATURE_ACTIVE (AMX_FP16); CHECK_CPU_FEATURE_ACTIVE (AESKLE); CHECK_CPU_FEATURE_ACTIVE (WIDE_KL); CHECK_CPU_FEATURE_ACTIVE (PTWRITE); |