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From: "cvs-commit at gcc dot gnu.org" <sourceware-bugzilla@sourceware.org> To: glibc-bugs@sourceware.org Subject: [Bug dynamic-link/31372] _dl_tlsdesc_dynamic doesn't preserve all caller-saved registers Date: Thu, 29 Feb 2024 12:31:43 +0000 [thread overview] Message-ID: <bug-31372-131-pB9e4jEpQB@http.sourceware.org/bugzilla/> (raw) In-Reply-To: <bug-31372-131@http.sourceware.org/bugzilla/> https://sourceware.org/bugzilla/show_bug.cgi?id=31372 --- Comment #11 from Sourceware Commits <cvs-commit at gcc dot gnu.org> --- The master branch has been updated by H.J. Lu <hjl@sourceware.org>: https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=9b7091415af47082664717210ac49d51551456ab commit 9b7091415af47082664717210ac49d51551456ab Author: H.J. Lu <hjl.tools@gmail.com> Date: Wed Feb 28 12:08:03 2024 -0800 x86-64: Update _dl_tlsdesc_dynamic to preserve AMX registers _dl_tlsdesc_dynamic should also preserve AMX registers which are caller-saved. Add X86_XSTATE_TILECFG_ID and X86_XSTATE_TILEDATA_ID to x86-64 TLSDESC_CALL_STATE_SAVE_MASK. Compute the AMX state size and save it in xsave_state_full_size which is only used by _dl_tlsdesc_dynamic_xsave and _dl_tlsdesc_dynamic_xsavec. This fixes the AMX part of BZ #31372. Tested on AMX processor. AMX test is enabled only for compilers with the fix for https://gcc.gnu.org/bugzilla/show_bug.cgi?id=114098 GCC 14 and GCC 11/12/13 branches have the bug fix. Reviewed-by: Sunil K Pandey <skpgkp2@gmail.com> -- You are receiving this mail because: You are on the CC list for the bug.
next prev parent reply other threads:[~2024-02-29 12:31 UTC|newest] Thread overview: 22+ messages / expand[flat|nested] mbox.gz Atom feed top 2024-02-11 23:04 [Bug dynamic-link/31372] New: _dl_tlsdesc_dynamic doesn't preserve vector registers hjl.tools at gmail dot com 2024-02-11 23:05 ` [Bug dynamic-link/31372] " hjl.tools at gmail dot com 2024-02-11 23:18 ` hjl.tools at gmail dot com 2024-02-12 6:59 ` fw at deneb dot enyo.de 2024-02-12 7:11 ` sam at gentoo dot org 2024-02-12 10:46 ` fweimer at redhat dot com 2024-02-12 13:10 ` hjl.tools at gmail dot com 2024-02-14 15:04 ` [Bug dynamic-link/31372] _dl_tlsdesc_dynamic doesn't preserve all caller-saved registers hjl.tools at gmail dot com 2024-02-14 21:09 ` ismail at i10z dot com 2024-02-15 12:13 ` hjl.tools at gmail dot com 2024-02-15 20:39 ` hjl.tools at gmail dot com 2024-02-15 20:40 ` sam at gentoo dot org 2024-02-15 20:44 ` hjl.tools at gmail dot com 2024-02-15 21:07 ` sam at gentoo dot org 2024-02-15 21:14 ` hjl.tools at gmail dot com 2024-02-28 17:05 ` cvs-commit at gcc dot gnu.org 2024-02-29 12:31 ` cvs-commit at gcc dot gnu.org [this message] 2024-03-20 15:37 ` fweimer at redhat dot com 2024-04-02 13:16 ` carlos at redhat dot com 2024-04-03 17:42 ` cvs-commit at gcc dot gnu.org 2024-04-03 17:43 ` cvs-commit at gcc dot gnu.org 2024-04-11 19:06 ` adhemerval.zanella at linaro dot org
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