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* [Bug libc/30328] New: elf/tst-cpu-features-cpuinfo fails on Athlon 64 3000+ (K8)
@ 2023-04-09 8:10 xry111 at xry111 dot site
0 siblings, 0 replies; only message in thread
From: xry111 at xry111 dot site @ 2023-04-09 8:10 UTC (permalink / raw)
To: glibc-bugs
https://sourceware.org/bugzilla/show_bug.cgi?id=30328
Bug ID: 30328
Summary: elf/tst-cpu-features-cpuinfo fails on Athlon 64 3000+
(K8)
Product: glibc
Version: 2.37
Status: UNCONFIRMED
Severity: normal
Priority: P2
Component: libc
Assignee: unassigned at sourceware dot org
Reporter: xry111 at xry111 dot site
CC: drepper.fsp at gmail dot com
Target Milestone: ---
The failed test is:
Checking HAS_CPU_FEATURE (PREFETCHW):
HAS_CPU_FEATURE (PREFETCHW): 0
cpuinfo (3dnowprefetch): 1
*** failure ***
In the kernel there is:
/* 3DNow or LM implies PREFETCHW */
if (!cpu_has(c, X86_FEATURE_3DNOWPREFETCH))
if (cpu_has(c, X86_FEATURE_3DNOW) || cpu_has(c,
X86_FEATURE_LM))
set_cpu_cap(c, X86_FEATURE_3DNOWPREFETCH);
But it seems no equivalent in Glibc.
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2023-04-09 8:10 [Bug libc/30328] New: elf/tst-cpu-features-cpuinfo fails on Athlon 64 3000+ (K8) xry111 at xry111 dot site
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