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From: "jsm28 at gcc dot gnu.org" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug libc/18787] [hppa] sysdeps/unix/sysv/linux/hppa/bits/atomic.h:71:6: error: can’t find a register in class ‘R1_REGS’ while reloading ‘asm’
Date: Fri, 07 Aug 2015 17:54:00 -0000 [thread overview]
Message-ID: <bug-18787-131-rJCmgK7vLF@http.sourceware.org/bugzilla/> (raw)
In-Reply-To: <bug-18787-131@http.sourceware.org/bugzilla/>
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https://sourceware.org/bugzilla/show_bug.cgi?id=18787
Joseph Myers <jsm28 at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |drepper.fsp at gmail dot com
Component|ports |libc
Summary|sysdeps/unix/sysv/linux/hpp |[hppa]
|a/bits/atomic.h:71:6: |sysdeps/unix/sysv/linux/hpp
|error: can’t find a |a/bits/atomic.h:71:6:
|register in class ‘R1_REGS’ |error: can’t find a
|while reloading ‘asm’ |register in class ‘R1_REGS’
| |while reloading ‘asm’
--- Comment #1 from Joseph Myers <jsm28 at gcc dot gnu.org> ---
The ports component is obsolete and only for closed bugs, not new ones.
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>From glibc-bugs-return-29191-listarch-glibc-bugs=sources.redhat.com@sourceware.org Fri Aug 07 21:34:16 2015
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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/15128] dynamic loader may clobber floating-point parameters on AArch64
Date: Fri, 07 Aug 2015 21:34:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id\x15128
--- Comment #33 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
This is an automated email from the git hooks/post-receive script. It was
generated because a ref change was pushed to the repository containing
the project "GNU C Library master sources".
The branch, hjl/plt/master has been created
at 63c2a8543434c56340f749781326de34c5cad7fb (commit)
- Log -----------------------------------------------------------------
https://sourceware.org/git/gitweb.cgi?p=glibc.git;hcc2a8543434c56340f749781326de34c5cad7fb
commit 63c2a8543434c56340f749781326de34c5cad7fb
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Sun Aug 2 22:27:47 2015 -0700
Don't run tst-getpid2 with LD_BIND_NOW=1
Since _dl_x86_64_save_sse and _dl_x86_64_restore_sse are removed now,
we don't need to run tst-getpid2 with LD_BIND_NOW=1.
* sysdeps/unix/sysv/linux/Makefile (tst-getpid2-ENV): Removed.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;hza1e21bec013337713ea7eb41847ec654524d28
commit 7aa1e21bec013337713ea7eb41847ec654524d28
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Wed Jul 29 04:49:38 2015 -0700
Use SSE optimized strcmp in x86-64 ld.so
Since ld.so preserves vector registers now, we can SSE optimized strcmp
in x86-64 ld.so.
* sysdeps/x86_64/strcmp.S: Remove "#if !IS_IN (libc)".
https://sourceware.org/git/gitweb.cgi?p=glibc.git;hg04f81ff486345bd6f20e382c81641da6f18c1b
commit 6704f81ff486345bd6f20e382c81641da6f18c1b
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Wed Jul 29 03:56:14 2015 -0700
Remove x86-64 rtld-xxx.c and rtld-xxx.S
Since ld.so preserves vector registers now, we can use the regular,
non-ifunc string and memory functions in ld.so.
* sysdeps/x86_64/rtld-memcmp.c: Removed.
* sysdeps/x86_64/rtld-memset.S: Likewise.
* sysdeps/x86_64/rtld-strchr.S: Likewise.
* sysdeps/x86_64/rtld-strlen.S: Likewise.
* sysdeps/x86_64/multiarch/rtld-memcmp.c: Likewise.
* sysdeps/x86_64/multiarch/rtld-memset.S: Likewise.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h\x1d38b26369935dba942e508185a6f4a237ec7306
commit 1d38b26369935dba942e508185a6f4a237ec7306
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Wed Jul 29 03:47:54 2015 -0700
Replace %xmm8 with %xmm0
Since ld.so preserves vector registers now, we can use %xmm0 to avoid
the REX prefix.
* sysdeps/x86_64/memset.S: Replace %xmm8 with %xmm0.
https://sourceware.org/git/gitweb.cgi?p=glibc.git;hva11bb924e52e25b91956f32e73e9fd1b9828a0
commit 76a11bb924e52e25b91956f32e73e9fd1b9828a0
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Wed Jul 29 03:44:39 2015 -0700
Replace %xmm[8-12] with %xmm[0-4]
Since ld.so preserves vector registers now, we can use %xmm[0-4] to
avoid the REX prefix.
* sysdeps/x86_64/strlen.S: Replace %xmm[8-12] with %xmm[0-4].
https://sourceware.org/git/gitweb.cgi?p=glibc.git;hÃ0f7d3a803de8de3fcba014c7d5b284a67e4cc6
commit c30f7d3a803de8de3fcba014c7d5b284a67e4cc6
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Tue Jul 28 18:56:18 2015 -0700
Don't disable SSE in x86-64 ld.so
Since ld.so preserves vector registers now, we can use SSE in ld.so.
* sysdeps/i386/Makefile [$(subdir) == elf] (CFLAGS-.os): Add
-mno-sse -mno-mmx for $(all-rtld-routines).
[$(subdir) == elf] (tests-special): Add
$(objpfx)tst-ld-sse-use.out.
[$(subdir) == elf] ($(objpfx)tst-ld-sse-use.out): New rule.
* sysdeps/x86/Makefile [$(subdir) == elf] (CFLAGS-.os): Removed.
[$(subdir) == elf] (tests-special): Likewise.
[$(subdir) == elf] ($(objpfx)tst-ld-sse-use.out): Likewise.
* sysdeps/x86_64/Makefile [$(subdir) == elf] (CFLAGS-.os): Add
-mno-mmx for $(all-rtld-routines).
https://sourceware.org/git/gitweb.cgi?p=glibc.git;hÈa557ba9b07e8a97d30d0bf94c892b4187b2883
commit c8a557ba9b07e8a97d30d0bf94c892b4187b2883
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Sat Jul 11 13:25:25 2015 -0700
Save and restore vector registers in x86-64 ld.so
This patch initiaizes GLRO(dl_x86_xstate) in dl_platform_init to
indicate if the processor supports SSE, AVX or AVX512. It uses
this information to properly save and restore vector registers in
ld.so. Now we can use SSE in ld.so and delete FOREIGN_CALL macros.
[BZ #15128]
* sysdeps/x86_64/Makefile [$(subdir) == elf] (tests): Add
ifuncmain8.
(modules-names): Add ifuncmod8.
($(objpfx)ifuncmain8): New rule.
* sysdeps/x86_64/dl-machine.h: Include <dl-procinfo.h> and
<cpuid.h>.
(elf_machine_runtime_setup): Use _dl_runtime_resolve_sse,
_dl_runtime_resolve_avx, or _dl_runtime_resolve_avx512,
_dl_runtime_profile_sse, _dl_runtime_profile_avx, or
_dl_runtime_profile_avx512, based on HAS_ARCH_FEATURE.
* sysdeps/x86_64/dl-trampoline.S: Rewrite.
* sysdeps/x86_64/dl-trampoline.h: Likewise.
* sysdeps/x86_64/ifuncmain8.c: New file.
* sysdeps/x86_64/ifuncmod8.c: Likewise.
* sysdeps/x86_64/nptl/tcb-offsets.sym (RTLD_SAVESPACE_SSE):
Removed.
* sysdeps/x86_64/nptl/tls.h (__128bits): Removed.
(tcbhead_t): Change rtld_must_xmm_save to __glibc_unused1.
Change rtld_savespace_sse to __glibc_unused2.
(RTLD_CHECK_FOREIGN_CALL): Removed.
(RTLD_ENABLE_FOREIGN_CALL): Likewise.
(RTLD_PREPARE_FOREIGN_CALL): Likewise.
(RTLD_FINALIZE_FOREIGN_CALL): Likewise.
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next prev parent reply other threads:[~2015-08-07 17:54 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-08-07 17:16 [Bug ports/18787] New: " danglin at gcc dot gnu.org
2015-08-07 17:54 ` jsm28 at gcc dot gnu.org [this message]
2015-08-08 5:12 ` [Bug libc/18787] [hppa] " cvs-commit at gcc dot gnu.org
2015-08-08 5:14 ` vapier at gentoo dot org
2015-08-08 5:14 ` cvs-commit at gcc dot gnu.org
2015-10-29 16:41 ` jsm28 at gcc dot gnu.org
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