[glibc] <sys/platform/x86.h>: Add Intel UINTR support

[glibc] <sys/platform/x86.h>: Add Intel UINTR support

[H.J. Lu]

https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=7674695cf7e28528be7243ceb30c9a600bbaa7b5

commit 7674695cf7e28528be7243ceb30c9a600bbaa7b5
Author: H.J. Lu <hjl.tools@gmail.com>
Date:   Thu Oct 8 08:19:15 2020 -0700

    <sys/platform/x86.h>: Add Intel UINTR support
    
    Add Intel UINTR support to <sys/platform/x86.h>.

Diff:
---
 manual/platform.texi               | 3 +++
 sysdeps/x86/sys/platform/x86.h     | 6 +++---
 sysdeps/x86/tst-get-cpu-features.c | 1 +
 3 files changed, 7 insertions(+), 3 deletions(-)

diff --git a/manual/platform.texi b/manual/platform.texi
index 95b0ed0642..0dd12a4353 100644
--- a/manual/platform.texi
+++ b/manual/platform.texi
@@ -583,6 +583,9 @@ using a TSC deadline value.
 @item
 @code{TSXLDTRK} -- TSXLDTRK instructions.
 
+@item
+@code{UINTR} -- User interrupts.
+
 @item
 @code{UMIP} -- User-mode instruction prevention.
 
diff --git a/sysdeps/x86/sys/platform/x86.h b/sysdeps/x86/sys/platform/x86.h
index 2ba6d3c4f2..22bb28449d 100644
--- a/sysdeps/x86/sys/platform/x86.h
+++ b/sysdeps/x86/sys/platform/x86.h
@@ -241,7 +241,7 @@ extern const struct cpu_features *__x86_get_cpu_features (unsigned int)
 #define bit_cpu_AVX512_4VNNIW	(1u << 2)
 #define bit_cpu_AVX512_4FMAPS	(1u << 3)
 #define bit_cpu_FSRM		(1u << 4)
-#define bit_cpu_INDEX_7_EDX_5	(1u << 5)
+#define bit_cpu_UINTR		(1u << 5)
 #define bit_cpu_INDEX_7_EDX_6	(1u << 6)
 #define bit_cpu_INDEX_7_EDX_7	(1u << 7)
 #define bit_cpu_AVX512_VP2INTERSECT (1u << 8)
@@ -460,7 +460,7 @@ extern const struct cpu_features *__x86_get_cpu_features (unsigned int)
 #define index_cpu_AVX512_4VNNIW COMMON_CPUID_INDEX_7
 #define index_cpu_AVX512_4FMAPS	COMMON_CPUID_INDEX_7
 #define index_cpu_FSRM		COMMON_CPUID_INDEX_7
-#define index_cpu_INDEX_7_EDX_5	COMMON_CPUID_INDEX_7
+#define index_cpu_UINTR		COMMON_CPUID_INDEX_7
 #define index_cpu_INDEX_7_EDX_6	COMMON_CPUID_INDEX_7
 #define index_cpu_INDEX_7_EDX_7	COMMON_CPUID_INDEX_7
 #define index_cpu_AVX512_VP2INTERSECT COMMON_CPUID_INDEX_7
@@ -679,7 +679,7 @@ extern const struct cpu_features *__x86_get_cpu_features (unsigned int)
 #define reg_AVX512_4VNNIW	edx
 #define reg_AVX512_4FMAPS	edx
 #define reg_FSRM		edx
-#define reg_INDEX_7_EDX_5	edx
+#define reg_UINTR		edx
 #define reg_INDEX_7_EDX_6	edx
 #define reg_INDEX_7_EDX_7	edx
 #define reg_AVX512_VP2INTERSECT	edx
diff --git a/sysdeps/x86/tst-get-cpu-features.c b/sysdeps/x86/tst-get-cpu-features.c
index d11eac9853..d160f7c7a1 100644
--- a/sysdeps/x86/tst-get-cpu-features.c
+++ b/sysdeps/x86/tst-get-cpu-features.c
@@ -182,6 +182,7 @@ do_test (void)
   CHECK_CPU_FEATURE (AVX512_4VNNIW);
   CHECK_CPU_FEATURE (AVX512_4FMAPS);
   CHECK_CPU_FEATURE (FSRM);
+  CHECK_CPU_FEATURE (UINTR);
   CHECK_CPU_FEATURE (AVX512_VP2INTERSECT);
   CHECK_CPU_FEATURE (MD_CLEAR);
   CHECK_CPU_FEATURE (SERIALIZE);