2014-03-21  Sabrina Ni  <sabrinanitw@gmail.com>

        * libc/machine/nds32/setjmp.S: Optimize.
2014-03-21  Sabrini Ni  <sabrinanitw@gmail.com>

        * nds32/syscall_extra.h: Define macro.
        * nds32/syscall_argv.S: Use define macro.
        * nds32/syscall_argvlen.S: Ditto.
        * nds32/syscall_chdir.S: Ditto.
        * nds32/syscall_chmod.S: Ditto.
        * nds32/syscall_close.S: Ditto.
        * nds32/syscall_fstat.S: Ditto.
        * nds32/syscall_getpid.S: Ditto.
        * nds32/syscall_gettimeofday.S: Ditto.
        * nds32/syscall_isatty.S: Ditto.
        * nds32/syscall_kill.S: Ditto.
        * nds32/syscall_link.S: Ditto.
        * nds32/syscall_lseek.S: Ditto.
        * nds32/syscall_open.S: Ditto.
        * nds32/syscall_read.S: Ditto.
        * nds32/syscall_rename.S: Ditto.
        * nds32/syscall_stat.S: Ditto.
        * nds32/syscall_system.S: Ditto.
        * nds32/syscall_time.S: Ditto.
        * nds32/syscall_times.S: Ditto.
        * nds32/syscall_unlink.S: Ditto.
        * nds32/syscall_utime.S: Ditto.
        * nds32/syscall_write.S: Ditto.
2014-03-21  Sabrini Ni  <sabrinanitw@gmail.com>

        * nds32/Makefile.in: Add syscall_error_handler.o.
        * nds32/syscall_error_handler.S: New.
        * nds32/syscall_extra.h: Reduce code size.
2014-03-21  Sabrini Ni  <sabrinanitw@gmail.com>

        * nds32/crt0.S: Set argc=argv=env=0.
        * nds32/crt1.S: Ditto.
2014-03-21  Sabrini Ni  <sabrinanitw@gmail.com>

        * nds32/crt0.S: Refine.
        * nds32/crt1.S: Refine.
2014-03-21  Sabrini Ni  <sabrinanitw@gmail.com>

        * nds32/crt0.S: Eliminate initialization for $fp.
        * nds32/crt1.S: Ditto.
2014-03-21  Sabrini Ni  <sabrinanitw@gmail.com>

        * nds32/crt0.S: Use pseudo-instruction "bal frame" to replace
        "la + jral".
        * nds32/crt1.S: Ditto.
2014-03-21  Sabrina Ni  <sabrinanitw@gmail.com>

        * libc/machine/nds32/setjmp.S: Keep jmp_buff sync with GDB.
2014-03-21  Sabrini Ni  <sabrinanitw@gmail.com>

        * nds32/syscall_argv.S: Correct the method to set errno.
        * nds32/syscall_argvlen.S: Ditto.
        * nds32/syscall_chdir.S: Ditto.
        * nds32/syscall_chmod.S: Ditto.
        * nds32/syscall_close.S: Ditto.
        * nds32/syscall_error_handler.S: Ditto.
        * nds32/syscall_fstat.S: Ditto.
        * nds32/syscall_getpid.S: Ditto.
        * nds32/syscall_gettimeofday.S: Ditto.
        * nds32/syscall_isatty.S: Ditto.
        * nds32/syscall_kill.S: Ditto.
        * nds32/syscall_link.S: Ditto.
        * nds32/syscall_lseek.S: Ditto.
        * nds32/syscall_open.S: Ditto.
        * nds32/syscall_read.S: Ditto.
        * nds32/syscall_rename.S: Ditto.
        * nds32/syscall_sbrk.S: Ditto.
        * nds32/syscall_stat.S: Ditto.
        * nds32/syscall_system.S: Ditto.
        * nds32/syscall_time.S: Ditto.
        * nds32/syscall_times.S: Ditto.
        * nds32/syscall_unlink.S: Ditto.
        * nds32/syscall_utime.S: Ditto.
        * nds32/syscall_write.S: Ditto.
2014-03-21  Sabrini Ni  <sabrinanitw@gmail.com>

        * nds32/Makefile.in: Alter filename.
        * nds32/syscall_argv.S: Rename to _argv.S
        * nds32/syscall_argvlen.S: Rename to _argvlen.S
        * nds32/syscall_chdir.S: Rename to _chdir.S
        * nds32/syscall_chmod.S: Rename to _chmod.S
        * nds32/syscall_close.S: Rename to _close.S
        * nds32/syscall_exit.S: Rename to _exit.S
        * nds32/syscall_fstat.S: Rename to _fstat.S
        * nds32/syscall_getpid.S: Rename to _getpid.S
        * nds32/syscall_gettimeofday.S: Rename to _gettimeofday.S
        * nds32/syscall_isatty.S: Rename to _isatty.S
        * nds32/syscall_kill.S: Rename to _kill.S
        * nds32/syscall_link.S: Rename to _link.S
        * nds32/syscall_lseek.S: Rename to _lseek.S
        * nds32/syscall_open.S: Rename to _open.S
        * nds32/syscall_read.S: Rename to _read.S
        * nds32/syscall_rename.S: Rename to _rename.S
        * nds32/syscall_sbrk.S: Rename to _sbrk.S
        * nds32/syscall_stat.S: Rename to _stat.S
        * nds32/syscall_system.S: Rename to _system.S
        * nds32/syscall_time.S: Rename to _time.S
        * nds32/syscall_times.S: Rename to _times.S
        * nds32/syscall_unlink.S: Rename to _unlink.S
        * nds32/syscall_utime.S: Rename to _utime.S
        * nds32/syscall_write.S: Rename to _write.S
2014-03-21  Sabrini Ni  <sabrinanitw@gmail.com>

        * nds32/crt0.S: Initialize ITB base.
        * nds32/crt1.S: Ditto.
2014-03-21  Sabrini Ni  <sabrinanitw@gmail.com>

        * nds32/_argv.S: Replace syscall with break.
        * nds32/_argvlen.S: Ditto.
        * nds32/_chdir.S: Ditto.
        * nds32/_chmod.S: Ditto.
        * nds32/_close.S: Ditto.
        * nds32/_exit.S: Ditto.
        * nds32/_fstat.S: Ditto.
        * nds32/_getpid.S: Ditto.
        * nds32/_gettimeofday.S: Ditto.
        * nds32/_isatty.S: Ditto.
        * nds32/_kill.S: Ditto.
        * nds32/_link.S: Ditto.
        * nds32/_lseek.S: Ditto.
        * nds32/_open.S: Ditto.
        * nds32/_read.S: Ditto.
        * nds32/_rename.S: Ditto.
        * nds32/_stat.S: Ditto.
        * nds32/_system.S: Ditto.
        * nds32/_time.S: Ditto.
        * nds32/_times.S: Ditto.
        * nds32/_unlink.S: Ditto.
        * nds32/_utime.S: Ditto.
        * nds32/_write.S: Ditto.
        * nds32/syscall_error_handler.S: Ditto.
        * nds32/vh.h: New.
2014-03-21  Sabrina Ni  <sabrinanitw@gmail.com>

        * libc/machine/nds32/Makefile.am: Use C code implemented memcpy,
        memset for 'ISA V3M'.
        * libc/machine/nds32/Makefile.in: Generated.
        * libc/machine/nds32/configure: Generated.
        * libc/machine/nds32/configure.in: Detect IS_NDS32_ISA_V3M.
2014-03-21  Sabrina Ni  <sabrinanitw@gmail.com>

        * libc/machine/nds32/configure: Regenerated.
        * libc/machine/nds32/configure.in: Add AC_NOEXECUTABLES.
2014-03-21  Sabrini Ni  <sabrinanitw@gmail.com>

        * nds32/crt0.S: Tweak initialization sqeuence.
        * nds32/crt1.S: Ditto.
2014-03-21  Sabrini Ni  <sabrinanitw@gmail.com>

        * nds32/_sbrk.S: Add .size and .type directive.
2014-03-21  Maciej W. Rozycki  <macro@codesourcery.com>

        * libc/stdlib/gd_qnan.h (f_QNAN, d_QNAN0, d_QNAN1): Add MIPS
        versions.
        (ld_QNAN0, ld_QNAN1, ld_QNAN2, ld_QNAN3): Don't define for MIPS.
        (ldus_QNAN0, ldus_QNAN1, ldus_QNAN2, ldus_QNAN3, ldus_QNAN4):
        Likewise.
        * libc/stdlib/ldtoa.c (nan113, nan64, nan53, nan24): Add MIPS
        versions.
        (enan): Handle legacy MIPS payloads.
        * libm/common/s_nan.c (nan): Use __builtin_nan if supported by
        the compiler.
        * libm/common/sf_nan.c (nanf): Likewise.