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Janne Blomqvist facb23dc4e Improve performance of byte-swapped I/O. 
2013-01-23  Janne Blomqvist  <jb@gcc.gnu.org>

	* io/file_pos.c (unformatted_backspace): Use __builtin_bswapXX
	instead of reverse_memcpy.
	* io/io.h (reverse_memcpy): Remove prototype.
	* io/transfer.c (reverse_memcpy): Make static, move towards
	beginning of file.
	(bswap_array): New function.
	(unformatted_read): Use bswap_array to byte swap the data
	in-place.
	(unformatted_write): Use a larger temp buffer and bswap_array.
	(us_read): Use __builtin_bswapXX instead of reverse_memcpy.
	(write_us_marker): Likewise.

From-SVN: r195413
2013-01-23 23:56:54 +02:00
..
caf Update copyright years in libgfortran. 2013-01-14 18:20:58 +00:00
config Update copyright years in libgfortran. 2013-01-14 18:20:58 +00:00
generated Update copyright years in libgfortran. 2013-01-14 18:20:58 +00:00
intrinsics Update copyright years in libgfortran. 2013-01-14 18:20:58 +00:00
io Improve performance of byte-swapped I/O. 2013-01-23 23:56:54 +02:00
m4 Update copyright years in libgfortran. 2013-01-14 18:20:58 +00:00
runtime Update copyright years in libgfortran. 2013-01-14 18:20:58 +00:00
acinclude.m4 re PR libfortran/53444 (Accommodate non-compliant strerror_r() on VxWorks.) 2012-05-23 10:34:06 +02:00
aclocal.m4 Fix usage of secure_getenv with glibc 2.17. 2012-10-06 23:56:05 +03:00
c99_protos.h Update copyright years in libgfortran. 2013-01-14 18:20:58 +00:00
ChangeLog Improve performance of byte-swapped I/O. 2013-01-23 23:56:54 +02:00
ChangeLog-2002 ChangeLog-2002: Add copyright footer. 2010-01-04 09:59:59 +01:00
ChangeLog-2003 ChangeLog-2002: Add copyright footer. 2010-01-04 09:59:59 +01:00
ChangeLog-2004 ChangeLog-2002: Add copyright footer. 2010-01-04 09:59:59 +01:00
ChangeLog-2005 ChangeLog-2002: Add copyright footer. 2010-01-04 09:59:59 +01:00
ChangeLog-2006 ChangeLog-2002: Add copyright footer. 2010-01-04 09:59:59 +01:00
ChangeLog-2007 ChangeLog-2002: Add copyright footer. 2010-01-04 09:59:59 +01:00
ChangeLog-2008 ChangeLog-2002: Add copyright footer. 2010-01-04 09:59:59 +01:00
ChangeLog-2009 ChangeLog-2002: Add copyright footer. 2010-01-04 09:59:59 +01:00
ChangeLog-2010 Rotate ChangeLogs. 2011-01-02 08:22:05 -08:00
ChangeLog-2011 2012-01-09 Richard Guenther <rguenther@suse.de> 2012-01-09 10:11:38 +00:00
ChangeLog-2012 ChangeLog rotation. 2013-01-03 10:47:48 +01:00
config.h.in Fix usage of secure_getenv with glibc 2.17. 2012-10-06 23:56:05 +03:00
configure Fix usage of secure_getenv with glibc 2.17. 2012-10-06 23:56:05 +03:00
configure.ac Fix usage of secure_getenv with glibc 2.17. 2012-10-06 23:56:05 +03:00
configure.host PR 48977 Denormal exception on glibc targets 2011-05-20 17:45:51 +03:00
fmain.c Add comment saying file is deprecated 2009-08-14 20:54:27 +03:00
gfortran.map re PR libfortran/36044 (user-requested backtrace) 2012-12-20 19:15:13 +01:00
kinds-override.h Update copyright years in libgfortran. 2013-01-14 18:20:58 +00:00
libgfortran.h Update copyright years in libgfortran. 2013-01-14 18:20:58 +00:00
libgfortran.spec.in re PR fortran/32049 (Support on x86_64 also kind=16) 2010-11-16 22:23:19 +01:00
libtool-version re PR libfortran/27107 (Make dependency on io/io.h broken) 2007-01-17 19:44:00 +00:00
Makefile.am Combined get_mem and internal_malloc_size. 2012-03-26 18:16:05 +03:00
Makefile.in Fix usage of secure_getenv with glibc 2.17. 2012-10-06 23:56:05 +03:00
mk-kinds-h.sh re PR fortran/32049 (Support on x86_64 also kind=16) 2010-11-16 22:23:19 +01:00
mk-sik-inc.sh mk-sik-inc.sh: Make -Wunused-variable proof. 2008-09-10 19:18:08 +02:00
mk-srk-inc.sh intrinsic.h (gfc_check_selected_real_kind, [...]): Update prototypes. 2010-06-25 21:40:37 +02:00