| Commit message (Collapse) | Author | Age | Files | Lines |
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Joseph Myers noted that there were several old and really very
incorrect values in the hppa libm-test-ulps. This patch removes
all of the ulps values for ceil, floor, rint, round, trun,
llrint, and llround, all of which were previously incorreclty
added (including some negative values which are really wrong).
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ports/
2013-05-15 Carlos O'Donell <carlos@redhat.com>
* sysdeps/hppa/fpu/libm-test-ulps: Remove old values for ceil, floor,
rint, round, trunc, llrint, and llround.
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The EXTRACT_WORDS64 and INSERT_WORDS64 macros use movd for a 64-bit
operation. Somehow gcc manages to turn this into movq, but LLVM won't.
2013-05-15 Peter Collingbourne <pcc@google.com>
* sysdeps/x86_64/fpu/math_private.h (MOVQ): New macro.
(EXTRACT_WORDS64) Use where appropriate.
(INSERT_WORDS64) Likewise.
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While these instructions accept memory operands, only one operand
may be a memory operand. Giving two operands xm constraints gives
the compiler the option of using memory for both operands, which
would result in invalid assembly code. Using x for all operands is
more appropriate, as most x86_64 calling conventions will pass the
arguments in registers anyway.
2013-05-15 Peter Collingbourne <pcc@google.com>
* sysdeps/x86_64/fpu/multiarch/s_fma.c (__fma_fma4): Replace xm
constraints with x constraints.
* sysdeps/x86_64/fpu/multiarch/s_fmaf.c (__fmaf_fma4): Likewise.
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it is impossible to create an alias of a common symbol (as
compat_symbol does), because common symbols do not have a section or
an offset until linked. GNU as tolerates aliases of common symbols by
simply creating another common symbol, but other assemblers (notably
LLVM's integrated assembler) are less tolerant.
2013-05-15 Peter Collingbourne <pcc@google.com>
* malloc/obstack.c (_obstack_compat): Add initializer.
-
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[BZ #10686]
* sysdeps/x86_64/tls.h (struct tcbhead_t): Add __private_ss
field.
* sysdeps/i386/tls.h (struct tcbhead_t): Likewise.
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2013-05-15 Edjunior Machado <emachado@linux.vnet.ibm.com>
* sysdeps/unix/sysv/linux/s390/bits/siginfo.h (siginfo_t):
Remove si_trapno and add si_addr_lsb to _sifields.sigfault.
(si_trapno): Remove macro.
(si_addr_lsb): Define new macro.
(BUS_MCEERR_AR, BUS_MCEERR_AO): Define new values.
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Update libm-test-ulps for hppa. There are a few entries
with 4 or 5 ulps, but these appear to be expected. A more
thorough review will be required if hppa switches long-double
to a different type.
---
ports/
2013-05-15 Carlos O'Donell <carlos@redhat.com>
* sysdeps/hppa/fpu/libm-test-ulps: Regenerate.
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The following patch fixes both _FPU_GETCW and
_FPU_SETCW for hppa. The initial implementation was
flawed and not well tested. We failed to set cw,
and passed in the value of a register to fldd.
This patch fixes both of those errors and allows
the libm tests to pass without failure.
Signed-off-by: Guy Martin <gmsoft@tuxicoman.be>
Signed-off-by: Carlos O'Donell <carlos@redhat.com>
---
2013-05-15 Guy Martin <gmsoft@tuxicoman.be>
Carlos O'Donell <carlos@redhat.com>
[BZ# 15000]
* ports/sysdeps/hppa/fpu/fpu_control.h (_FPU_GETCW): Set cw.
(_FPU_SETCW): Pass address to fldd.
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* sysdeps/sparc/fpu/libm-test-ulps: Update.
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Loading of the vDSO pseudo-hwcap from the type 2 GNU note is
a rather arcane and poorly documented process. Given that I had
a chance to review this code today I thought I would add all
of the things I had to lookup to verify the validity of the
process.
With a single .note.GNU the vDSO can register up to 64 flags,
though in practice you are limited to 64 - _DL_FIRST_EXTRA
bits which on x86 is 12 bits.
The only use of this that I know of is in the Xen support
in Linux where they use the 1st bit to indicate "nosegneg".
I see "We use bit 1 to avoid bugs in some versions of glibc
when bit 0 is used; the choice is otherwise arbitrary.", but
no reference to a glibc bug anywhere. The code as-is should
support bit zero, so we still have that free for future use.
The kernel, glibc, and ld.so.cache must coordinate to ensure
that bit values don't go too high and are used consistently.
---
2013-05-13 Carlos O'Donell <carlos@redhat.com>
* elf/dl-hwcaps.c (_dl_important_hwcaps): Comment vDSO hwcap loading.
* elf/ldconfig.c (is_hwcap_platform): Comment each hwcap check.
(main): Comment "tls" pseudo-hwcap.
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This patch replaces the 1.0 / M_El by the decimal constant M_1_DIV_El.
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HP_TIMING uses native timestamping instructions if available, thus
greatly reducing the overhead of recording start and end times for
function calls. For architectures that don't have HP_TIMING
available, we fall back to the clock_gettime bits. One may also
override this by invoking the benchmark as follows:
make USE_CLOCK_GETTIME=1 bench
and get the benchmark results using clock_gettime. One has to do
`make bench-clean` to ensure that the benchmark programs are rebuilt.
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That way it can live alongside _LIB_VERSION in libieee.a for
statically compiled programs.
Resolves #14582.
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2013-05-12 Marcus Shawcroft <marcus.shawcroft@linaro.org>
* sysdeps/unix/sysv/linux/aarch64/clone.S (__clone):
Do not call sycall_error directly with a confitional branch.
* sysdeps/unix/sysv/linux/aarch64/ioctl.S (__ioctl):
Do not call sycall_error directly with a confitional branch.
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BZ #10191 was fixed some time ago without noticing at that time.
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[BZ #12387]
* sysdeps/unix/sysv/linux/sh/getgid.c: New file.
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[BZ #15448]
* sysdeps/unix/sysv/linux/bits/sched.h (__CPU_SET_S)
(__CPU_CLR_S, __CPU_ISSET_S): Avoid integer overflow.
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This ensures reliable operation on file systems with inode numbers
which do not fit into 32 bits.
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[BZ #15395]
* sunrpc/rpc_main.c (main): Invoke setlocale and textdomain for
localization.
Include <locale.h>.
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