aboutsummaryrefslogtreecommitdiff
path: root/sysdeps/x86
diff options
context:
space:
mode:
authorH.J. Lu <hjl.tools@gmail.com>2023-04-05 09:21:33 -0700
committerH.J. Lu <hjl.tools@gmail.com>2023-04-05 14:46:10 -0700
commit231bf916ce9572776df0b5f197b57739c1ddc7ac (patch)
treecdcdb062f6a5a138d303e7d8dcf07d0d11a14824 /sysdeps/x86
parentfb90dc8513f67d1cc0578452aee3459e9b9ab626 (diff)
downloadglibc-231bf916ce9572776df0b5f197b57739c1ddc7ac.tar
glibc-231bf916ce9572776df0b5f197b57739c1ddc7ac.tar.gz
glibc-231bf916ce9572776df0b5f197b57739c1ddc7ac.tar.bz2
glibc-231bf916ce9572776df0b5f197b57739c1ddc7ac.zip
<sys/platform/x86.h>: Add RAO-INT support
Add RAO-INT support to <sys/platform/x86.h>. Reviewed-by: Noah Goldstein <goldstein.w.n@gmail.com>
Diffstat (limited to 'sysdeps/x86')
-rw-r--r--sysdeps/x86/bits/platform/x86.h1
-rw-r--r--sysdeps/x86/cpu-features.c1
-rw-r--r--sysdeps/x86/include/cpu-features.h3
-rw-r--r--sysdeps/x86/tst-get-cpu-features.c2
4 files changed, 7 insertions, 0 deletions
diff --git a/sysdeps/x86/bits/platform/x86.h b/sysdeps/x86/bits/platform/x86.h
index 1040c2aed4..6fc3b69651 100644
--- a/sysdeps/x86/bits/platform/x86.h
+++ b/sysdeps/x86/bits/platform/x86.h
@@ -288,6 +288,7 @@ enum
= (CPUID_INDEX_7_ECX_1 * 8 * 4 * sizeof (unsigned int)
+ cpuid_register_index_eax * 8 * sizeof (unsigned int)),
+ x86_cpu_RAO_INT = x86_cpu_index_7_ecx_1_eax + 3,
x86_cpu_AVX_VNNI = x86_cpu_index_7_ecx_1_eax + 4,
x86_cpu_AVX512_BF16 = x86_cpu_index_7_ecx_1_eax + 5,
x86_cpu_FZLRM = x86_cpu_index_7_ecx_1_eax + 10,
diff --git a/sysdeps/x86/cpu-features.c b/sysdeps/x86/cpu-features.c
index 95ad48b501..e591e55a88 100644
--- a/sysdeps/x86/cpu-features.c
+++ b/sysdeps/x86/cpu-features.c
@@ -99,6 +99,7 @@ update_active (struct cpu_features *cpu_features)
CPU_FEATURE_SET_ACTIVE (cpu_features, TBM);
CPU_FEATURE_SET_ACTIVE (cpu_features, RDTSCP);
CPU_FEATURE_SET_ACTIVE (cpu_features, WBNOINVD);
+ CPU_FEATURE_SET_ACTIVE (cpu_features, RAO_INT);
CPU_FEATURE_SET_ACTIVE (cpu_features, FZLRM);
CPU_FEATURE_SET_ACTIVE (cpu_features, FSRS);
CPU_FEATURE_SET_ACTIVE (cpu_features, FSRCS);
diff --git a/sysdeps/x86/include/cpu-features.h b/sysdeps/x86/include/cpu-features.h
index fa91a23129..b946a88ad1 100644
--- a/sysdeps/x86/include/cpu-features.h
+++ b/sysdeps/x86/include/cpu-features.h
@@ -302,6 +302,7 @@ enum
/* CPUID_INDEX_7_ECX_1. */
/* EAX. */
+#define bit_cpu_RAO_INT (1u << 3)
#define bit_cpu_AVX_VNNI (1u << 4)
#define bit_cpu_AVX512_BF16 (1u << 5)
#define bit_cpu_FZLRM (1u << 10)
@@ -537,6 +538,7 @@ enum
/* CPUID_INDEX_7_ECX_1. */
/* EAX. */
+#define index_cpu_RAO_INT CPUID_INDEX_7_ECX_1
#define index_cpu_AVX_VNNI CPUID_INDEX_7_ECX_1
#define index_cpu_AVX512_BF16 CPUID_INDEX_7_ECX_1
#define index_cpu_FZLRM CPUID_INDEX_7_ECX_1
@@ -772,6 +774,7 @@ enum
/* CPUID_INDEX_7_ECX_1. */
/* EAX. */
+#define reg_RAO_INT eax
#define reg_AVX_VNNI eax
#define reg_AVX512_BF16 eax
#define reg_FZLRM eax
diff --git a/sysdeps/x86/tst-get-cpu-features.c b/sysdeps/x86/tst-get-cpu-features.c
index cfc8692392..6a3f29db98 100644
--- a/sysdeps/x86/tst-get-cpu-features.c
+++ b/sysdeps/x86/tst-get-cpu-features.c
@@ -200,6 +200,7 @@ do_test (void)
CHECK_CPU_FEATURE_PRESENT (XFD);
CHECK_CPU_FEATURE_PRESENT (INVARIANT_TSC);
CHECK_CPU_FEATURE_PRESENT (WBNOINVD);
+ CHECK_CPU_FEATURE_PRESENT (RAO_INT);
CHECK_CPU_FEATURE_PRESENT (AVX_VNNI);
CHECK_CPU_FEATURE_PRESENT (AVX512_BF16);
CHECK_CPU_FEATURE_PRESENT (FZLRM);
@@ -365,6 +366,7 @@ do_test (void)
CHECK_CPU_FEATURE_ACTIVE (XFD);
CHECK_CPU_FEATURE_ACTIVE (INVARIANT_TSC);
CHECK_CPU_FEATURE_ACTIVE (WBNOINVD);
+ CHECK_CPU_FEATURE_ACTIVE (RAO_INT);
CHECK_CPU_FEATURE_ACTIVE (AVX_VNNI);
CHECK_CPU_FEATURE_ACTIVE (AVX512_BF16);
CHECK_CPU_FEATURE_ACTIVE (FZLRM);