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glibc/glibc-upstream-2.34-337.patch

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Sync with upstream branch release/2.34/master Upstream commit: e3976287b22422787f3cc6fc9adda58304b55bd9 - Handle non-hostname CNAME aliases during name resolution (#2129005) - nscd: Drop local address tuple variable [BZ #29607] - x86-64: Require BMI1/BMI2 for AVX2 strrchr and wcsrchr implementations - x86-64: Require BMI2 and LZCNT for AVX2 memrchr implementation - x86-64: Require BMI2 for AVX2 (raw|w)memchr implementations - x86-64: Require BMI2 for AVX2 wcs(n)cmp implementations - x86-64: Require BMI2 for AVX2 strncmp implementation - x86-64: Require BMI2 for AVX2 strcmp implementation - x86-64: Require BMI2 for AVX2 str(n)casecmp implementations - x86: include BMI1 and BMI2 in x86-64-v3 level - nptl: Add backoff mechanism to spinlock loop - sysdeps: Add 'get_fast_jitter' interace in fast-jitter.h - nptl: Effectively skip CAS in spinlock loop - Move assignment out of the CAS condition - Add LLL_MUTEX_READ_LOCK [BZ #28537] - Avoid extra load with CAS in __pthread_mutex_clocklock_common [BZ #28537] - Avoid extra load with CAS in __pthread_mutex_lock_full [BZ #28537] - resolv: Fix building tst-resolv-invalid-cname for earlier C standards - nss_dns: Rewrite _nss_dns_gethostbyname4_r using current interfaces - resolv: Add new tst-resolv-invalid-cname - nss_dns: In gaih_getanswer_slice, skip strange aliases (bug 12154) (#2129005) - nss_dns: Rewrite getanswer_r to match getanswer_ptr (bug 12154, bug 29305) - nss_dns: Remove remnants of IPv6 address mapping - nss_dns: Rewrite _nss_dns_gethostbyaddr2_r and getanswer_ptr - nss_dns: Split getanswer_ptr from getanswer_r - resolv: Add DNS packet parsing helpers geared towards wire format - resolv: Add internal __ns_name_length_uncompressed function - resolv: Add the __ns_samebinaryname function - resolv: Add internal __res_binary_hnok function - resolv: Add tst-resolv-aliases - resolv: Add tst-resolv-byaddr for testing reverse lookup - gconv: Use 64-bit interfaces in gconv_parseconfdir (bug 29583) - elf: Fix hwcaps string size overestimation - nscd: Fix netlink cache invalidation if epoll is used [BZ #29415] - Apply asm redirections in wchar.h before first use - Apply asm redirections in stdio.h before first use [BZ #27087] - elf: Call __libc_early_init for reused namespaces (bug 29528) Reviewed-by: Florian Weimer <fweimer@redhat.com>
2022-10-13 12:19:45 +00:00
commit 95f5089d4a57cd1e738be908c7a628cb7d0ce512
Author: Aurelien Jarno <aurelien@aurel32.net>
Date: Mon Oct 3 23:16:46 2022 +0200
x86: include BMI1 and BMI2 in x86-64-v3 level
The "System V Application Binary Interface AMD64 Architecture Processor
Supplement" mandates the BMI1 and BMI2 CPU features for the x86-64-v3
level.
Reviewed-by: Noah Goldstein <goldstein.w.n@gmail.com>
(cherry picked from commit b80f16adbd979831bf25ea491e1261e81885c2b6)
diff --git a/sysdeps/x86/get-isa-level.h b/sysdeps/x86/get-isa-level.h
index aa80f56ca635e54b..785c25a835edf004 100644
--- a/sysdeps/x86/get-isa-level.h
+++ b/sysdeps/x86/get-isa-level.h
@@ -47,6 +47,8 @@ get_isa_level (const struct cpu_features *cpu_features)
isa_level |= GNU_PROPERTY_X86_ISA_1_V2;
if (CPU_FEATURE_USABLE_P (cpu_features, AVX)
&& CPU_FEATURE_USABLE_P (cpu_features, AVX2)
+ && CPU_FEATURE_USABLE_P (cpu_features, BMI1)
+ && CPU_FEATURE_USABLE_P (cpu_features, BMI2)
&& CPU_FEATURE_USABLE_P (cpu_features, F16C)
&& CPU_FEATURE_USABLE_P (cpu_features, FMA)
&& CPU_FEATURE_USABLE_P (cpu_features, LZCNT)