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author | Jason Merrill <jason@redhat.com> | 2002-04-22 16:28:05 -0400 |
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committer | Jason Merrill <jason@gcc.gnu.org> | 2002-04-22 16:28:05 -0400 |
commit | 5066927d9ebedf0098887901674e576413312848 (patch) | |
tree | a33a1f81577d6fbf44ec2eca41aa87ca71f31743 /gcc/java/jcf-parse.c | |
parent | f942d7a5df511c42fe0af6edb0138bd806684561 (diff) | |
download | gcc-5066927d9ebedf0098887901674e576413312848.zip gcc-5066927d9ebedf0098887901674e576413312848.tar.gz gcc-5066927d9ebedf0098887901674e576413312848.tar.bz2 |
re PR libstdc++/4150 (catastrophic performance decrease in C++ code)
PR libstdc++/4150
* include/std/std_streambuf.h (basic_streambuf::_M_set_indeterminate):
Move to filebuf.
(basic_streambuf::_M_set_determinate): Likewise.
(basic_streambuf::_M_is_indeterminate): Likewise.
* include/bits/std_fstream.h (basic_filebuf::_M_filepos): New
non-static data member.
(basic_filebuf::_M_underflow_common): New non-static member function.
(basic_filebuf::_M_underflow, _M_uflow): Call it.
(basic_filebuf::sync): Avoid useless seeking.
(basic_filebuf::_M_set_indeterminate): Move here from streambuf.
Set _M_filepos.
(basic_filebuf::_M_set_determinate): Likewise.
(basic_filebuf::_M_is_indeterminate): Likewise.
* include/bits/fstream.tcc (basic_filebuf::_M_really_overflow): Seek
back to _M_out_beg if necessary.
(basic_filebuf::seekoff): Likewise.
(basic_filebuf::_M_underflow_common): Generalization of old
underflow(). Don't seek back to _M_in_beg.
* src/ios.cc: Lose _GLIBCPP_AVOID_FSEEK stuff.
* config/os/solaris/solaris2.?/bits/os_defines.h: Likewise.
* config/os/bsd/freebsd/bits/os_defines.h: Likewise.
* config/os/mingw32/bits/os_defines.h: Likewise.
* testsuite/27_io/filebuf_virtuals.cc (test05): Don't overspecify
ungetc test.
From-SVN: r52634
Diffstat (limited to 'gcc/java/jcf-parse.c')
0 files changed, 0 insertions, 0 deletions