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Chris Metcalf ac9182e753 tile: use ieee754/dbl-64 version of fma() and fmaf() 
It turns out that even if you stub out the rounding and exception
support and use the ieee754 version, it's still much better than
the generic version that just uses normal multiply and add.
The resulting functions have only 1 ULP of error according to the tests.
2012-05-17 11:27:36 -04:00

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2012-05-17 Chris Metcalf <cmetcalf@tilera.com>
* sysdeps/tile/s_fma.c: Use ieee754/dbl-64 without rounding or
exception support; it's still much better than the generic version.
2012-05-16 Chris Metcalf <cmetcalf@tilera.com>
* sysdeps/unix/sysv/linux/tile/ucontext_i: Fix tilegx32 offset bug.
* sysdeps/unix/sysv/linux/tile/getcontext.S: Fix tilegx32 bug
where we accessed "uc_flags" as an 8-byte field.
* sysdeps/unix/sysv/linux/tile/setcontext.S: Likewise,
and also fix frame code not to access stack below "sp".
* sysdeps/unix/sysv/linux/tile/swapcontext.S: Fix frame code not
to access stack below "sp", and add frame unwind to error path.
2012-05-15 Chris Metcalf <cmetcalf@tilera.com>
* sysdeps/tile/sotruss-lib.c: New file.
* sysdeps/tile/math_private.h (feraiseexcept): Use statement
expression syntax to avoid compiler warning.
* sysdeps/tile/libm-test-ulps: New file.
* sysdeps/tile/bits/fenv.h (__FE_UNDEFINED): New symbol.
* sysdeps/tile/ldsodefs.h (ARCH_PLTEXIT_MEMBERS): Add proper
const qualifier to "inregs" argument.
* sysdeps/tile/elf/stackguard-macros.h: Delete unused file.
2012-05-14 Chris Metcalf <cmetcalf@tilera.com>
* sysdeps/unix/sysv/linux/tile/tilegx/tilegx32/nptl/ld.abilist:
New file.
* sysdeps/unix/sysv/linux/tile/tilegx/tilegx32/nptl/libBrokenLocale.abilist:
Likewise.
* sysdeps/unix/sysv/linux/tile/tilegx/tilegx32/nptl/libanl.abilist:
Likewise.
* sysdeps/unix/sysv/linux/tile/tilegx/tilegx32/nptl/libc.abilist:
Likewise.
* sysdeps/unix/sysv/linux/tile/tilegx/tilegx32/nptl/libcrypt.abilist:
Likewise.
* sysdeps/unix/sysv/linux/tile/tilegx/tilegx32/nptl/libdl.abilist:
Likewise.
* sysdeps/unix/sysv/linux/tile/tilegx/tilegx32/nptl/libm.abilist:
Likewise.
* sysdeps/unix/sysv/linux/tile/tilegx/tilegx32/nptl/libnsl.abilist:
Likewise.
* sysdeps/unix/sysv/linux/tile/tilegx/tilegx32/nptl/libpthread.abilist:
Likewise.
* sysdeps/unix/sysv/linux/tile/tilegx/tilegx32/nptl/libresolv.abilist:
Likewise.
* sysdeps/unix/sysv/linux/tile/tilegx/tilegx32/nptl/librt.abilist:
Likewise.
* sysdeps/unix/sysv/linux/tile/tilegx/tilegx32/nptl/libthread_db.abilist:
Likewise.
* sysdeps/unix/sysv/linux/tile/tilegx/tilegx32/nptl/libutil.abilist:
Likewise.
* sysdeps/unix/sysv/linux/tile/tilegx/tilegx64/nptl/ld.abilist:
Likewise.
* sysdeps/unix/sysv/linux/tile/tilegx/tilegx64/nptl/libBrokenLocale.abilist:
Likewise.
* sysdeps/unix/sysv/linux/tile/tilegx/tilegx64/nptl/libanl.abilist:
Likewise.
* sysdeps/unix/sysv/linux/tile/tilegx/tilegx64/nptl/libc.abilist:
Likewise.
* sysdeps/unix/sysv/linux/tile/tilegx/tilegx64/nptl/libcrypt.abilist:
Likewise.
* sysdeps/unix/sysv/linux/tile/tilegx/tilegx64/nptl/libdl.abilist:
Likewise.
* sysdeps/unix/sysv/linux/tile/tilegx/tilegx64/nptl/libm.abilist:
Likewise.
* sysdeps/unix/sysv/linux/tile/tilegx/tilegx64/nptl/libnsl.abilist:
Likewise.
* sysdeps/unix/sysv/linux/tile/tilegx/tilegx64/nptl/libpthread.abilist:
Likewise.
* sysdeps/unix/sysv/linux/tile/tilegx/tilegx64/nptl/libresolv.abilist:
Likewise.
* sysdeps/unix/sysv/linux/tile/tilegx/tilegx64/nptl/librt.abilist:
Likewise.
* sysdeps/unix/sysv/linux/tile/tilegx/tilegx64/nptl/libthread_db.abilist:
Likewise.
* sysdeps/unix/sysv/linux/tile/tilegx/tilegx64/nptl/libutil.abilist:
Likewise.
* sysdeps/unix/sysv/linux/tile/tilepro/nptl/ld.abilist: Likewise.
* sysdeps/unix/sysv/linux/tile/tilepro/nptl/libBrokenLocale.abilist:
Likewise.
* sysdeps/unix/sysv/linux/tile/tilepro/nptl/libanl.abilist: Likewise.
* sysdeps/unix/sysv/linux/tile/tilepro/nptl/libc.abilist: Likewise.
* sysdeps/unix/sysv/linux/tile/tilepro/nptl/libcrypt.abilist: Likewise.
* sysdeps/unix/sysv/linux/tile/tilepro/nptl/libdl.abilist: Likewise.
* sysdeps/unix/sysv/linux/tile/tilepro/nptl/libm.abilist: Likewise.
* sysdeps/unix/sysv/linux/tile/tilepro/nptl/libnsl.abilist: Likewise.
* sysdeps/unix/sysv/linux/tile/tilepro/nptl/libpthread.abilist:
Likewise.
* sysdeps/unix/sysv/linux/tile/tilepro/nptl/libresolv.abilist:
Likewise.
* sysdeps/unix/sysv/linux/tile/tilepro/nptl/librt.abilist: Likewise.
* sysdeps/unix/sysv/linux/tile/tilepro/nptl/libthread_db.abilist:
Likewise.
* sysdeps/unix/sysv/linux/tile/tilepro/nptl/libutil.abilist: Likewise.
* sysdeps/tile/dl-start.S: Align stack for tilegx32.
2012-05-12 Chris Metcalf <cmetcalf@tilera.com>
* sysdeps/unix/sysv/linux/tile/sys/dataplane.h: Add <features.h>.
* sysdeps/unix/sysv/linux/tile/nptl/clone.S: Add missing CFI.
* sysdeps/tile/tls-macros.h: Fix buggy TLS_GD, etc., macros.
* sysdeps/tile/tilegx/memchr.c: Use new copy_byte() function
to efficiently generate a large constant for masking.
* sysdeps/tile/tilegx/memset.c: Likewise.
* sysdeps/tile/tilegx/rawmemchr.c: Likewise.
* sysdeps/tile/tilegx/strchr.c: Likewise.
* sysdeps/tile/tilegx/strchrnul.c: Likewise.
* sysdeps/tile/tilegx/strrchr.c: Likewise.
* sysdeps/tile/tilegx/string-endian.h (copy_byte): New function.
* sysdeps/tile/tilegx/memcpy.c: Allow memcpy(p, p, n)
without corrupting memory at "p".
* sysdeps/tile/__tls_get_addr.S: Use __WORDSIZE, not _LP64.
* sysdeps/tile/stackguard-macros.h: New file.
* sysdeps/tile/elf/stackguard-macros.h: New stub include file.
* sysdeps/tile/Makefile (ELF_MACHINE_PLTREL_OVERLAP):
Remove variable no longer used by core.
* sysdeps/unix/sysv/linux/tile/bits/siginfo.h: Don't name
siginfo_t struct. Add forward declaration of pthread_attr_t and
use it in sigevent.
* sysdeps/unix/sysv/linux/tile/nptl/bits/pthreadtypes.h: Name
pthread_attr_t union.
* sysdeps/tile/crti.S: New file, based on compiler output
for sysdeps/generic/initfini.c.
* sysdeps/tile/crtn.S: Likewise.
* sysdeps/tile/Makefile (CFLAGS-initfini.s): Remove variable.
* sysdeps/unix/sysv/linux/tile/nptl/Makefile
(CFLAGS-pt-initfini.s): Likewise.
* sysdeps/tile/elf/start.S: Moved to ...
* sysdeps/tile/start.S: ...here.
2012-04-15 Mike Frysinger <vapier@gentoo.org>
* sysdeps/unix/sysv/linux/tile/tilegx/register-dump.h: Include
<_itoa.h> instead of <stdio-common/_itoa.h>.
* sysdeps/unix/sysv/linux/tile/tilepro/register-dump.h: Likewise.
2012-03-09 Richard Henderson <rth@twiddle.net>
* sysdeps/tile/math_private.h: Use include_next to
chain math_private.h.
2012-03-09 Paul Eggert <eggert@cs.ucla.edu>
[BZ #13673]
Replace FSF snail mail address with URLs, as per GNU coding standards.
2012-01-31 Chris Metcalf <cmetcalf@tilera.com>
* sysdeps/tile/bits/fenv.h: Use const instead of __const.
* sysdeps/unix/sysv/linux/tile/sys/cachectl.h: Likewise.
2012-01-31 Chris Metcalf <cmetcalf@tilera.com>
* sysdeps/tile/sysdep.h: Use <feedback.h> not <feedback-asm.h>
to reflect change from gcc community giveback.
2012-01-31 Chris Metcalf <cmetcalf@tilera.com>
* sysdeps/tile/math_private.h: Ignore feraiseexcept() internally.
2012-01-30 Chris Metcalf <cmetcalf@tilera.com>
* sysdeps/tile/sysdep.h: Don't check HAVE_ELF or NO_UNDERSCORES.
2012-01-07 Joseph Myers <joseph@codesourcery.com>
* sysdeps/tile/backtrace.c: Use x86_64 version of backtrace.c.
2011-12-03 Chris Metcalf <cmetcalf@tilera.com>
* data/c++-types-tile-linux-gnu.data: New file.
* sysdeps/tile/Implies: New file.
* sysdeps/tile/Makefile: New file.
* sysdeps/tile/Versions: New file.
* sysdeps/tile/__longjmp.S: New file.
* sysdeps/tile/__tls_get_addr.S: New file.
* sysdeps/tile/_mcount.S: New file.
* sysdeps/tile/abort-instr.h: New file.
* sysdeps/tile/backtrace.c: New file.
* sysdeps/tile/bits/atomic.h: New file.
* sysdeps/tile/bits/byteswap.h: New file.
* sysdeps/tile/bits/endian.h: New file.
* sysdeps/tile/bits/fenv.h: New file.
* sysdeps/tile/bits/link.h: New file.
* sysdeps/tile/bits/mathdef.h: New file.
* sysdeps/tile/bits/mathinline.h: New file.
* sysdeps/tile/bits/setjmp.h: New file.
* sysdeps/tile/bsd-_setjmp.S: New file.
* sysdeps/tile/bsd-setjmp.S: New file.
* sysdeps/tile/bzero.S: New file.
* sysdeps/tile/dl-lookupcfg.h: New file.
* sysdeps/tile/dl-machine.h: New file.
* sysdeps/tile/dl-runtime.c: New file.
* sysdeps/tile/dl-start.S: New file.
* sysdeps/tile/dl-tls.c: New file.
* sysdeps/tile/dl-tls.h: New file.
* sysdeps/tile/dl-trampoline.S: New file.
* sysdeps/tile/elf/start.S: New file.
* sysdeps/tile/fegetenv.c: New file.
* sysdeps/tile/fegetround.c: New file.
* sysdeps/tile/feholdexcpt.c: New file.
* sysdeps/tile/fesetenv.c: New file.
* sysdeps/tile/fesetround.c: New file.
* sysdeps/tile/feupdateenv.c: New file.
* sysdeps/tile/ffs.c: New file.
* sysdeps/tile/ffsll.c: New file.
* sysdeps/tile/gccframe.h: New file.
* sysdeps/tile/jmpbuf-offsets.h: New file.
* sysdeps/tile/jmpbuf-unwind.h: New file.
* sysdeps/tile/ldsodefs.h: New file.
* sysdeps/tile/machine-gmon.h: New file.
* sysdeps/tile/nptl/Makefile: New file.
* sysdeps/tile/nptl/pthread_spin_lock.c: New file.
* sysdeps/tile/nptl/pthread_spin_trylock.c: New file.
* sysdeps/tile/nptl/pthreaddef.h: New file.
* sysdeps/tile/nptl/tcb-offsets.sym: New file.
* sysdeps/tile/nptl/tls.h: New file.
* sysdeps/tile/preconfigure: New file.
* sysdeps/tile/s_fma.c: New file.
* sysdeps/tile/s_fmaf.c: New file.
* sysdeps/tile/setjmp.S: New file.
* sysdeps/tile/shlib-versions: New file.
* sysdeps/tile/stackinfo.h: New file.
* sysdeps/tile/sysdep.h: New file.
* sysdeps/tile/tilegx/bits/atomic.h: New file.
* sysdeps/tile/tilegx/bits/wordsize.h: New file.
* sysdeps/tile/tilegx/memchr.c: New file.
* sysdeps/tile/tilegx/memcpy.c: New file.
* sysdeps/tile/tilegx/memset.c: New file.
* sysdeps/tile/tilegx/memusage.h: New file.
* sysdeps/tile/tilegx/rawmemchr.c: New file.
* sysdeps/tile/tilegx/strchr.c: New file.
* sysdeps/tile/tilegx/strchrnul.c: New file.
* sysdeps/tile/tilegx/string-endian.h: New file.
* sysdeps/tile/tilegx/strlen.c: New file.
* sysdeps/tile/tilegx/strrchr.c: New file.
* sysdeps/tile/tilegx/tilegx32/Implies: New file.
* sysdeps/tile/tilegx/tilegx64/Implies: New file.
* sysdeps/tile/tilepro/Implies: New file.
* sysdeps/tile/tilepro/bits/atomic.h: New file.
* sysdeps/tile/tilepro/bits/wordsize.h: New file.
* sysdeps/tile/tilepro/memchr.c: New file.
* sysdeps/tile/tilepro/memcpy.S: New file.
* sysdeps/tile/tilepro/memset.c: New file.
* sysdeps/tile/tilepro/memusage.h: New file.
* sysdeps/tile/tilepro/rawmemchr.c: New file.
* sysdeps/tile/tilepro/strchr.c: New file.
* sysdeps/tile/tilepro/strchrnul.c: New file.
* sysdeps/tile/tilepro/strlen.c: New file.
* sysdeps/tile/tilepro/strrchr.c: New file.
* sysdeps/tile/tls-macros.h: New file.
* sysdeps/tile/tst-audit.h: New file.
* sysdeps/unix/sysv/linux/tile/Makefile: New file.
* sysdeps/unix/sysv/linux/tile/Versions: New file.
* sysdeps/unix/sysv/linux/tile/bits/environments.h: New file.
* sysdeps/unix/sysv/linux/tile/bits/local_lim.h: New file.
* sysdeps/unix/sysv/linux/tile/bits/mman.h: New file.
* sysdeps/unix/sysv/linux/tile/bits/mman.h~: New file.
* sysdeps/unix/sysv/linux/tile/bits/sigaction.h: New file.
* sysdeps/unix/sysv/linux/tile/bits/siginfo.h: New file.
* sysdeps/unix/sysv/linux/tile/cacheflush.c: New file.
* sysdeps/unix/sysv/linux/tile/configure: New file.
* sysdeps/unix/sysv/linux/tile/configure.in: New file.
* sysdeps/unix/sysv/linux/tile/getcontext.S: New file.
* sysdeps/unix/sysv/linux/tile/kernel-features.h: New file.
* sysdeps/unix/sysv/linux/tile/makecontext.c: New file.
* sysdeps/unix/sysv/linux/tile/nptl/Makefile: New file.
* sysdeps/unix/sysv/linux/tile/nptl/bits/pthreadtypes.h: New file.
* sysdeps/unix/sysv/linux/tile/nptl/bits/semaphore.h: New file.
* sysdeps/unix/sysv/linux/tile/nptl/clone.S: New file.
* sysdeps/unix/sysv/linux/tile/nptl/createthread.c: New file.
* sysdeps/unix/sysv/linux/tile/nptl/fork.c: New file.
* sysdeps/unix/sysv/linux/tile/nptl/lowlevellock.h: New file.
* sysdeps/unix/sysv/linux/tile/nptl/pt-vfork.S: New file.
* sysdeps/unix/sysv/linux/tile/nptl/pthread_once.c: New file.
* sysdeps/unix/sysv/linux/tile/nptl/sysdep-cancel.h: New file.
* sysdeps/unix/sysv/linux/tile/nptl/vfork.S: New file.
* sysdeps/unix/sysv/linux/tile/nptl/waitpid.S: New file.
* sysdeps/unix/sysv/linux/tile/profil-counter.h: New file.
* sysdeps/unix/sysv/linux/tile/set_dataplane.c: New file.
* sysdeps/unix/sysv/linux/tile/setcontext.S: New file.
* sysdeps/unix/sysv/linux/tile/sigcontextinfo.h: New file.
* sysdeps/unix/sysv/linux/tile/swapcontext.S: New file.
* sysdeps/unix/sysv/linux/tile/sys/cachectl.h: New file.
* sysdeps/unix/sysv/linux/tile/sys/dataplane.h: New file.
* sysdeps/unix/sysv/linux/tile/sys/procfs.h: New file.
* sysdeps/unix/sysv/linux/tile/sys/ptrace.h: New file.
* sysdeps/unix/sysv/linux/tile/sys/reg.h: New file.
* sysdeps/unix/sysv/linux/tile/sys/ucontext.h: New file.
* sysdeps/unix/sysv/linux/tile/sys/user.h: New file.
* sysdeps/unix/sysv/linux/tile/syscall.S: New file.
* sysdeps/unix/sysv/linux/tile/sysdep.c: New file.
* sysdeps/unix/sysv/linux/tile/sysdep.h: New file.
* sysdeps/unix/sysv/linux/tile/tilegx/ioctl.S: New file.
* sysdeps/unix/sysv/linux/tile/tilegx/ldconfig.h: New file.
* sysdeps/unix/sysv/linux/tile/tilegx/register-dump.h: New file.
* sysdeps/unix/sysv/linux/tile/tilegx/tilegx32/Implies: New file.
* sysdeps/unix/sysv/linux/tile/tilegx/tilegx64/Implies: New file.
* sysdeps/unix/sysv/linux/tile/tilepro/Implies: New file.
* sysdeps/unix/sysv/linux/tile/tilepro/ldconfig.h: New file.
* sysdeps/unix/sysv/linux/tile/tilepro/register-dump.h: New file.
* sysdeps/unix/sysv/linux/tile/ucontext_i.h: New file.
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