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* [Bug ports/18787] New: sysdeps/unix/sysv/linux/hppa/bits/atomic.h:71:6: error: can’t find a register in class ‘R1_REGS’ while reloading ‘asm’
@ 2015-08-07 17:16 danglin at gcc dot gnu.org
2015-08-07 17:54 ` [Bug libc/18787] [hppa] " jsm28 at gcc dot gnu.org
` (4 more replies)
0 siblings, 5 replies; 6+ messages in thread
From: danglin at gcc dot gnu.org @ 2015-08-07 17:16 UTC (permalink / raw)
To: glibc-bugs
https://sourceware.org/bugzilla/show_bug.cgi?id=18787
Bug ID: 18787
Summary: sysdeps/unix/sysv/linux/hppa/bits/atomic.h:71:6:
error: can’t find a register in class ‘R1_REGS’ while
reloading ‘asm’
Product: glibc
Version: unspecified
Status: NEW
Severity: normal
Priority: P2
Component: ports
Assignee: unassigned at sourceware dot org
Reporter: danglin at gcc dot gnu.org
CC: carlos at redhat dot com, roland at gnu dot org
Target Milestone: ---
Host: hppa-unknown-linux-gnu
Target: hppa-unknown-linux-gnu
Build: hppa-unknown-linux-gnu
hppa-linux-gnu-gcc-4.8 gethstbyad.c -c -std=gnu99 -fgnu89-inline -O2 -Wall
-Wer
ror -Wno-error=undef -Wundef -Wwrite-strings -fmerge-all-constants
-frounding-ma
th -g -Wstrict-prototypes -fPIC -fexceptions -ftls-model=initial-exec
-I
../include -I/home/dave/gnu/glibc/objdir1/inet -I/home/dave/gnu/glibc/objdir1
-I../sysdeps/unix/sysv/linux/hppa -I../sysdeps/hppa/nptl
-I../sysdeps/unix/sys
v/linux/include -I../sysdeps/unix/sysv/linux -I../sysdeps/nptl
-I../sysdeps/pt
hread -I../sysdeps/gnu -I../sysdeps/unix/inet -I../sysdeps/unix/sysv
-I../sysdeps/unix -I../sysdeps/posix -I../sysdeps/hppa/hppa1.1
-I../sysdeps/wordsize
-32 -I../sysdeps/ieee754/flt-32 -I../sysdeps/ieee754/dbl-64
-I../sysdeps/hppa
/fpu -I../sysdeps/hppa -I../sysdeps/ieee754 -I../sysdeps/generic -I..
-I../l
ibio -I. -nostdinc -isystem /usr/lib/gcc/hppa-linux-gnu/4.8/include -isystem
/us
r/lib/gcc/hppa-linux-gnu/4.8/include-fixed -isystem /usr/include
-D_LIBC_REENTR
ANT -include /home/dave/gnu/glibc/objdir1/libc-modules.h -DMODULE_NAME=libc
-inc
lude ../include/libc-symbols.h -DPIC -DSHARED -o
/home/dave/gnu/glibc/objdir1/inet/gethstbyad.os -MD -MP -MF
/home/dave/gnu/glibc/objdir1/inet/gethstbyad.o
s.dt -MT /home/dave/gnu/glibc/objdir1/inet/gethstbyad.os
In file included from ../include/sys/cdefs.h:3:0,
from ../include/features.h:365,
from ../resolv/netdb.h:25,
from ../include/netdb.h:2,
from gethstbyad.c:19:
../nss/getXXbyYY.c: In function ‘gethostbyaddr’:
../sysdeps/unix/sysv/linux/hppa/bits/atomic.h:71:6: error: can’t find a
register in class ‘R1_REGS’ while reloading ‘asm’
asm volatile( \
^
../misc/sys/cdefs.h:385:52: note: in definition of macro ‘__glibc_unlikely’
# define __glibc_unlikely(cond) __builtin_expect ((cond), 0)
^
../sysdeps/unix/sysv/linux/hppa/bits/atomic.h:100:12: note: in expansion of
macro ‘atomic_compare_and_exchange_val_acq’
ret = atomic_compare_and_exchange_val_acq(mem, newval, oldval); \
^
../sysdeps/nptl/lowlevellock.h:94:11: note: in expansion of macro
‘atomic_compare_and_exchange_bool_acq’
(atomic_compare_and_exchange_bool_acq (__futex, 1, 0))) \
^
../sysdeps/nptl/lowlevellock.h:103:3: note: in expansion of macro ‘__lll_lock’
__lll_lock (&(futex), private)
^
../sysdeps/nptl/bits/libc-lockP.h:176:6: note: in expansion of macro ‘lll_lock’
({ lll_lock (NAME, LLL_PRIVATE); 0; })
^
../nss/getXXbyYY.c:97:3: note: in expansion of macro ‘__libc_lock_lock’
__libc_lock_lock (lock);
^
In file included from ../include/atomic.h:50:0,
from ../sysdeps/nptl/lowlevellock.h:22,
from ../nptl/descr.h:30,
from ../sysdeps/hppa/nptl/tls.h:57,
from ../include/link.h:45,
from ../include/dlfcn.h:4,
from ../nss/nsswitch.h:28,
from ../include/nsswitch.h:1,
from ../inet/netgroup.h:22,
from ../include/netdb.h:193,
from gethstbyad.c:19:
../sysdeps/unix/sysv/linux/hppa/bits/atomic.h:71:6: error: can’t find a
register in class ‘R1_REGS’ while reloading ‘asm’
asm volatile( \
^
../sysdeps/unix/sysv/linux/hppa/bits/atomic.h:100:12: note: in expansion of
macro ‘atomic_compare_and_exchange_val_acq’
ret = atomic_compare_and_exchange_val_acq(mem, newval, oldval); \
^
../include/atomic.h:189:7: note: in expansion of macro
‘atomic_compare_and_exchange_bool_acq’
(atomic_compare_and_exchange_bool_acq (__atg5_memp, __atg5_value, \
^
../include/atomic.h:196:45: note: in expansion of macro ‘atomic_exchange_acq’
# define atomic_exchange_rel(mem, newvalue) atomic_exchange_acq (mem,
newvalue)
^
../sysdeps/nptl/lowlevellock.h:199:21: note: in expansion of macro
‘atomic_exchange_rel’
int __oldval = atomic_exchange_rel (__futex, 0); \
^
../sysdeps/nptl/lowlevellock.h:204:3: note: in expansion of macro
‘__lll_unlock’
__lll_unlock (&(futex), private)
^
../sysdeps/nptl/bits/libc-lockP.h:210:3: note: in expansion of macro
‘lll_unlock’
lll_unlock (NAME, LLL_PRIVATE)
^
../nss/getXXbyYY.c:144:3: note: in expansion of macro ‘__libc_lock_unlock’
__libc_lock_unlock (lock);
^
In file included from ../include/sys/cdefs.h:3:0,
from ../include/features.h:365,
from ../resolv/netdb.h:25,
from ../include/netdb.h:2,
from gethstbyad.c:19:
../sysdeps/unix/sysv/linux/hppa/bits/atomic.h:71:6: error: ‘asm’ operand has
impossible constraints
asm volatile( \
^
../misc/sys/cdefs.h:385:52: note: in definition of macro ‘__glibc_unlikely’
# define __glibc_unlikely(cond) __builtin_expect ((cond), 0)
^
../sysdeps/unix/sysv/linux/hppa/bits/atomic.h:100:12: note: in expansion of
macro ‘atomic_compare_and_exchange_val_acq’
ret = atomic_compare_and_exchange_val_acq(mem, newval, oldval); \
^
../sysdeps/nptl/lowlevellock.h:94:11: note: in expansion of macro
‘atomic_compare_and_exchange_bool_acq’
(atomic_compare_and_exchange_bool_acq (__futex, 1, 0))) \
^
../sysdeps/nptl/lowlevellock.h:103:3: note: in expansion of macro ‘__lll_lock’
__lll_lock (&(futex), private)
^
../sysdeps/nptl/bits/libc-lockP.h:176:6: note: in expansion of macro ‘lll_lock’
({ lll_lock (NAME, LLL_PRIVATE); 0; })
^
../nss/getXXbyYY.c:97:3: note: in expansion of macro ‘__libc_lock_lock’
__libc_lock_lock (lock);
^
In file included from ../include/atomic.h:50:0,
from ../sysdeps/nptl/lowlevellock.h:22,
from ../nptl/descr.h:30,
from ../sysdeps/hppa/nptl/tls.h:57,
from ../include/link.h:45,
from ../include/dlfcn.h:4,
from ../nss/nsswitch.h:28,
from ../include/nsswitch.h:1,
from ../inet/netgroup.h:22,
from ../include/netdb.h:193,
from gethstbyad.c:19:
../sysdeps/unix/sysv/linux/hppa/bits/atomic.h:71:6: error: ‘asm’ operand has
impossible constraints
asm volatile( \
^
../sysdeps/unix/sysv/linux/hppa/bits/atomic.h:100:12: note: in expansion of
macro ‘atomic_compare_and_exchange_val_acq’
ret = atomic_compare_and_exchange_val_acq(mem, newval, oldval); \
^
../include/atomic.h:189:7: note: in expansion of macro
‘atomic_compare_and_exchange_bool_acq’
(atomic_compare_and_exchange_bool_acq (__atg5_memp, __atg5_value, \
^
../include/atomic.h:196:45: note: in expansion of macro ‘atomic_exchange_acq’
# define atomic_exchange_rel(mem, newvalue) atomic_exchange_acq (mem,
newvalue)
^
../sysdeps/nptl/lowlevellock.h:199:21: note: in expansion of macro
‘atomic_exchange_rel’
int __oldval = atomic_exchange_rel (__futex, 0); \
^
../sysdeps/nptl/lowlevellock.h:204:3: note: in expansion of macro
‘__lll_unlock’
__lll_unlock (&(futex), private)
^
../sysdeps/nptl/bits/libc-lockP.h:210:3: note: in expansion of macro
‘lll_unlock’
lll_unlock (NAME, LLL_PRIVATE)
^
../nss/getXXbyYY.c:144:3: note: in expansion of macro ‘__libc_lock_unlock’
__libc_lock_unlock (lock);
^
../o-iterator.mk:9: recipe for target
'/home/dave/gnu/glibc/objdir1/inet/gethstbyad.os' failed
make[2]: *** [/home/dave/gnu/glibc/objdir1/inet/gethstbyad.os] Error 1
make[2]: Leaving directory '/home/dave/gnu/glibc/glibc/inet'
Makefile:213: recipe for target 'inet/subdir_lib' failed
make[1]: *** [inet/subdir_lib] Error 2
make[1]: Leaving directory '/home/dave/gnu/glibc/glibc'
Makefile:9: recipe for target 'all' failed
make: *** [all] Error 2
The asm clobbers register %r1. When generating PIC code, register %r1
is needed to reload an operand from static memory. The operand needs to
be copied first to a register as is done on arm.
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>From glibc-bugs-return-29189-listarch-glibc-bugs=sources.redhat.com@sourceware.org Fri Aug 07 17:54:13 2015
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From: "jsm28 at gcc dot gnu.org" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug libc/18674] [i386] trunk/sysdeps/i386/tst-auditmod3b.c:84: possible missing break ?
Date: Fri, 07 Aug 2015 17:54:00 -0000
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Joseph Myers <jsm28 at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |drepper.fsp at gmail dot com
Component|ports |libc
Host| |i?86-*-*
Summary|trunk/sysdeps/i386/tst-audi |[i386]
|tmod3b.c:84: possible |trunk/sysdeps/i386/tst-audi
|missing break ? |tmod3b.c:84: possible
| |missing break ?
--- 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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^ permalink raw reply [flat|nested] 6+ messages in thread
* [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’
2015-08-07 17:16 [Bug ports/18787] New: sysdeps/unix/sysv/linux/hppa/bits/atomic.h:71:6: error: can’t find a register in class ‘R1_REGS’ while reloading ‘asm’ danglin at gcc dot gnu.org
@ 2015-08-07 17:54 ` jsm28 at gcc dot gnu.org
2015-08-08 5:12 ` cvs-commit at gcc dot gnu.org
` (3 subsequent siblings)
4 siblings, 0 replies; 6+ messages in thread
From: jsm28 at gcc dot gnu.org @ 2015-08-07 17:54 UTC (permalink / raw)
To: glibc-bugs
[-- Warning: decoded text below may be mangled, UTF-8 assumed --]
[-- Attachment #1: Type: text/plain; charset="UTF-8", Size: 8922 bytes --]
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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Subject: [Bug dynamic-link/15128] dynamic loader may clobber floating-point parameters on AArch64
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--- 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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* [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’
2015-08-07 17:16 [Bug ports/18787] New: sysdeps/unix/sysv/linux/hppa/bits/atomic.h:71:6: error: can’t find a register in class ‘R1_REGS’ while reloading ‘asm’ danglin at gcc dot gnu.org
2015-08-07 17:54 ` [Bug libc/18787] [hppa] " jsm28 at gcc dot gnu.org
@ 2015-08-08 5:12 ` cvs-commit at gcc dot gnu.org
2015-08-08 5:14 ` vapier at gentoo dot org
` (2 subsequent siblings)
4 siblings, 0 replies; 6+ messages in thread
From: cvs-commit at gcc dot gnu.org @ 2015-08-08 5:12 UTC (permalink / raw)
To: glibc-bugs
https://sourceware.org/bugzilla/show_bug.cgi?id=18787
--- Comment #2 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, master has been updated
via 74bc0c3a16e3c8f138e29a284e84d16474b65a8e (commit)
from 5d5de49c3ccd69f65b801f1ca490a0112d1cbd7d (commit)
Those revisions listed above that are new to this repository have
not appeared on any other notification email; so we list those
revisions in full, below.
- Log -----------------------------------------------------------------
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=74bc0c3a16e3c8f138e29a284e84d16474b65a8e
commit 74bc0c3a16e3c8f138e29a284e84d16474b65a8e
Author: John David Anglin <dave.anglin@bell.net>
Date: Fri Aug 7 13:37:35 2015 -0400
hppa: Fix reload error with atomic code [BZ #18787]
As noted in the bug, the asm operands need to be copied to register
variables to avoid operand reloads in the principal asm of the macro.
See the arm implementation for reference. Otherwise we get:
../sysdeps/unix/sysv/linux/hppa/bits/atomic.h:68:6: error:
can't find a register in class 'R1_REGS' while reloading 'asm'
Build tested on trunk with gcc-4.8. Similar patch has been tested
with 2.19 on Debian hppa-unknown-linux-gnu.
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 9 +++++++
NEWS | 2 +-
sysdeps/unix/sysv/linux/hppa/bits/atomic.h | 35 +++++++++++++--------------
3 files changed, 27 insertions(+), 19 deletions(-)
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* [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’
2015-08-07 17:16 [Bug ports/18787] New: sysdeps/unix/sysv/linux/hppa/bits/atomic.h:71:6: error: can’t find a register in class ‘R1_REGS’ while reloading ‘asm’ danglin at gcc dot gnu.org
` (2 preceding siblings ...)
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
4 siblings, 0 replies; 6+ messages in thread
From: cvs-commit at gcc dot gnu.org @ 2015-08-08 5:14 UTC (permalink / raw)
To: glibc-bugs
https://sourceware.org/bugzilla/show_bug.cgi?id=18787
Mike Frysinger <vapier at gentoo dot org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |RESOLVED
Version|unspecified |2.22
Resolution|--- |FIXED
--- Comment #3 from Mike Frysinger <vapier at gentoo dot org> ---
should be fixed now for 2.23 and 2.22.1
--- Comment #4 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, release/2.22/master has been updated
via 19742d3d5f8fb0cdc95b20c32fbee503d1048286 (commit)
from 8415fb8d4f05c023b9d79e44dff197cc285fd1e5 (commit)
Those revisions listed above that are new to this repository have
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- Log -----------------------------------------------------------------
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=19742d3d5f8fb0cdc95b20c32fbee503d1048286
commit 19742d3d5f8fb0cdc95b20c32fbee503d1048286
Author: John David Anglin <dave.anglin@bell.net>
Date: Fri Aug 7 13:37:35 2015 -0400
hppa: Fix reload error with atomic code [BZ #18787]
As noted in the bug, the asm operands need to be copied to register
variables to avoid operand reloads in the principal asm of the macro.
See the arm implementation for reference. Otherwise we get:
../sysdeps/unix/sysv/linux/hppa/bits/atomic.h:68:6: error:
can't find a register in class 'R1_REGS' while reloading 'asm'
Build tested on trunk with gcc-4.8. Similar patch has been tested
with 2.19 on Debian hppa-unknown-linux-gnu.
(cherry picked from commit 74bc0c3a16e3c8f138e29a284e84d16474b65a8e)
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 9 +++++++
NEWS | 6 ++++
sysdeps/unix/sysv/linux/hppa/bits/atomic.h | 35 +++++++++++++--------------
3 files changed, 32 insertions(+), 18 deletions(-)
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* [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’
2015-08-07 17:16 [Bug ports/18787] New: sysdeps/unix/sysv/linux/hppa/bits/atomic.h:71:6: error: can’t find a register in class ‘R1_REGS’ while reloading ‘asm’ danglin at gcc dot gnu.org
2015-08-07 17:54 ` [Bug libc/18787] [hppa] " jsm28 at gcc dot gnu.org
2015-08-08 5:12 ` 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
4 siblings, 0 replies; 6+ messages in thread
From: vapier at gentoo dot org @ 2015-08-08 5:14 UTC (permalink / raw)
To: glibc-bugs
https://sourceware.org/bugzilla/show_bug.cgi?id=18787
Mike Frysinger <vapier at gentoo dot org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |RESOLVED
Version|unspecified |2.22
Resolution|--- |FIXED
--- Comment #3 from Mike Frysinger <vapier at gentoo dot org> ---
should be fixed now for 2.23 and 2.22.1
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* [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’
2015-08-07 17:16 [Bug ports/18787] New: sysdeps/unix/sysv/linux/hppa/bits/atomic.h:71:6: error: can’t find a register in class ‘R1_REGS’ while reloading ‘asm’ danglin at gcc dot gnu.org
` (3 preceding siblings ...)
2015-08-08 5:14 ` cvs-commit at gcc dot gnu.org
@ 2015-10-29 16:41 ` jsm28 at gcc dot gnu.org
4 siblings, 0 replies; 6+ messages in thread
From: jsm28 at gcc dot gnu.org @ 2015-10-29 16:41 UTC (permalink / raw)
To: glibc-bugs
https://sourceware.org/bugzilla/show_bug.cgi?id=18787
Joseph Myers <jsm28 at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Target Milestone|--- |2.23
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2015-08-07 17:16 [Bug ports/18787] New: sysdeps/unix/sysv/linux/hppa/bits/atomic.h:71:6: error: can’t find a register in class ‘R1_REGS’ while reloading ‘asm’ danglin at gcc dot gnu.org
2015-08-07 17:54 ` [Bug libc/18787] [hppa] " jsm28 at gcc dot gnu.org
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