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From: "hjl.tools at gmail dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug dynamic-link/31371] New: APX registers aren't preserved in
 ld.so trampoline
Date: Sun, 11 Feb 2024 18:21:32 +0000
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X-Bugzilla-Product: glibc
X-Bugzilla-Component: dynamic-link
X-Bugzilla-Version: 2.40
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X-Bugzilla-Who: hjl.tools at gmail dot com
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https://sourceware.org/bugzilla/show_bug.cgi?id=3D31371

            Bug ID: 31371
           Summary: APX registers aren't preserved in ld.so trampoline
           Product: glibc
           Version: 2.40
            Status: NEW
          Severity: normal
          Priority: P2
         Component: dynamic-link
          Assignee: unassigned at sourceware dot org
          Reporter: hjl.tools at gmail dot com
                CC: fweimer at redhat dot com
  Target Milestone: ---
            Target: x86-64

Because of:

/* Save SSE, AVX, AVX512, mask and bound registers.  */
#define STATE_SAVE_MASK \
  ((1 << 1) | (1 << 2) | (1 << 3) | (1 << 5) | (1 << 6) | (1 << 7))

APX registers aren't preserved.

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