| Summary: | I/O possibly unneccesary truncations | ||
|---|---|---|---|
| Product: | gcc | Reporter: | Tobias Burnus <burnus> |
| Component: | fortran | Assignee: | Janne Blomqvist <jb> |
| Status: | RESOLVED FIXED | ||
| Severity: | normal | CC: | gcc-bugs |
| Priority: | P3 | Keywords: | missed-optimization |
| Version: | 4.5.0 | ||
| Target Milestone: | --- | ||
| URL: | http://gcc.gnu.org/ml/gcc-patches/2009-08/msg01388.html | ||
| Host: | Target: | ||
| Build: | Known to work: | ||
| Known to fail: | Last reconfirmed: | 2009-04-17 22:18:55 | |
|
Description
Tobias Burnus
2009-04-06 18:16:21 UTC
Confirmed, assigning to myself. Subject: Bug 39667 Author: jb Date: Thu Apr 30 15:12:37 2009 New Revision: 147004 URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=147004 Log: Fix PR libfortran/39667 Modified: trunk/gcc/testsuite/ChangeLog trunk/gcc/testsuite/gfortran.dg/advance_1.f90 trunk/gcc/testsuite/gfortran.dg/advance_4.f90 trunk/gcc/testsuite/gfortran.dg/advance_5.f90 trunk/gcc/testsuite/gfortran.dg/append_1.f90 trunk/gcc/testsuite/gfortran.dg/backslash_1.f90 trunk/gcc/testsuite/gfortran.dg/backslash_2.f90 trunk/gcc/testsuite/gfortran.dg/backslash_3.f trunk/gcc/testsuite/gfortran.dg/backspace_10.f90 trunk/gcc/testsuite/gfortran.dg/backspace_3.f trunk/gcc/testsuite/gfortran.dg/backspace_4.f trunk/gcc/testsuite/gfortran.dg/backspace_5.f trunk/gcc/testsuite/gfortran.dg/backspace_8.f trunk/gcc/testsuite/gfortran.dg/backspace_9.f trunk/gcc/testsuite/gfortran.dg/complex_write.f90 trunk/gcc/testsuite/gfortran.dg/convert_implied_open.f90 trunk/gcc/testsuite/gfortran.dg/dollar_edit_descriptor_1.f trunk/gcc/testsuite/gfortran.dg/dos_eol.f trunk/gcc/testsuite/gfortran.dg/empty_format_1.f90 trunk/gcc/testsuite/gfortran.dg/endfile.f trunk/gcc/testsuite/gfortran.dg/eof_1.f90 trunk/gcc/testsuite/gfortran.dg/eor_1.f90 trunk/gcc/testsuite/gfortran.dg/eor_handling_1.f90 trunk/gcc/testsuite/gfortran.dg/eor_handling_2.f90 trunk/gcc/testsuite/gfortran.dg/eor_handling_3.f90 trunk/gcc/testsuite/gfortran.dg/eor_handling_4.f90 trunk/gcc/testsuite/gfortran.dg/eor_handling_5.f90 trunk/gcc/testsuite/gfortran.dg/error_recovery_5.f90 trunk/gcc/testsuite/gfortran.dg/f2003_inquire_1.f03 trunk/gcc/testsuite/gfortran.dg/f2003_io_4.f03 trunk/gcc/testsuite/gfortran.dg/f2003_io_5.f03 trunk/gcc/testsuite/gfortran.dg/f2003_io_7.f03 trunk/gcc/testsuite/gfortran.dg/fgetc_1.f90 trunk/gcc/testsuite/gfortran.dg/fgetc_2.f90 trunk/gcc/testsuite/gfortran.dg/flush_1.f90 trunk/gcc/testsuite/gfortran.dg/fmt_exhaust.f90 trunk/gcc/testsuite/gfortran.dg/fmt_huge.f90 trunk/gcc/testsuite/gfortran.dg/fmt_read.f90 trunk/gcc/testsuite/gfortran.dg/fmt_t_1.f90 trunk/gcc/testsuite/gfortran.dg/fmt_t_2.f90 trunk/gcc/testsuite/gfortran.dg/fmt_t_3.f90 trunk/gcc/testsuite/gfortran.dg/fmt_t_4.f90 trunk/gcc/testsuite/gfortran.dg/fmt_t_5.f90 trunk/gcc/testsuite/gfortran.dg/fmt_t_7.f trunk/gcc/testsuite/gfortran.dg/fseek.f90 trunk/gcc/testsuite/gfortran.dg/ftell_1.f90 trunk/gcc/testsuite/gfortran.dg/ftell_2.f90 trunk/gcc/testsuite/gfortran.dg/func_derived_3.f90 trunk/gcc/testsuite/gfortran.dg/inquire_9.f90 trunk/gcc/testsuite/gfortran.dg/iostat_1.f90 trunk/gcc/testsuite/gfortran.dg/iostat_2.f90 trunk/gcc/testsuite/gfortran.dg/list_read_1.f90 trunk/gcc/testsuite/gfortran.dg/list_read_4.f90 trunk/gcc/testsuite/gfortran.dg/list_read_5.f90 trunk/gcc/testsuite/gfortran.dg/list_read_7.f90 trunk/gcc/testsuite/gfortran.dg/list_read_8.f90 trunk/gcc/testsuite/gfortran.dg/list_read_9.f90 trunk/gcc/testsuite/gfortran.dg/namelist_13.f90 trunk/gcc/testsuite/gfortran.dg/namelist_14.f90 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trunk/gcc/testsuite/gfortran.dg/pr19657.f trunk/gcc/testsuite/gfortran.dg/pr20257.f90 trunk/gcc/testsuite/gfortran.dg/read_bad_advance.f90 trunk/gcc/testsuite/gfortran.dg/read_eof_2.f90 trunk/gcc/testsuite/gfortran.dg/read_eof_4.f90 trunk/gcc/testsuite/gfortran.dg/read_many_1.f trunk/gcc/testsuite/gfortran.dg/read_noadvance.f90 trunk/gcc/testsuite/gfortran.dg/read_repeat.f90 trunk/gcc/testsuite/gfortran.dg/read_size_noadvance.f90 trunk/gcc/testsuite/gfortran.dg/read_x_past.f trunk/gcc/testsuite/gfortran.dg/record_marker_1.f90 trunk/gcc/testsuite/gfortran.dg/record_marker_3.f90 trunk/gcc/testsuite/gfortran.dg/rewind_1.f90 trunk/gcc/testsuite/gfortran.dg/runtime_warning_1.f90 trunk/gcc/testsuite/gfortran.dg/shape_3.f90 trunk/gcc/testsuite/gfortran.dg/slash_1.f90 trunk/gcc/testsuite/gfortran.dg/stat_1.f90 trunk/gcc/testsuite/gfortran.dg/stat_2.f90 trunk/gcc/testsuite/gfortran.dg/streamio_11.f90 trunk/gcc/testsuite/gfortran.dg/streamio_3.f90 trunk/gcc/testsuite/gfortran.dg/streamio_4.f90 trunk/gcc/testsuite/gfortran.dg/streamio_9.f90 trunk/gcc/testsuite/gfortran.dg/tl_editing.f90 trunk/gcc/testsuite/gfortran.dg/unf_io_convert_1.f90 trunk/gcc/testsuite/gfortran.dg/unf_io_convert_2.f90 trunk/gcc/testsuite/gfortran.dg/unf_read_corrupted_2.f90 trunk/gcc/testsuite/gfortran.dg/unf_short_record_1.f90 trunk/gcc/testsuite/gfortran.dg/utf8_1.f03 trunk/gcc/testsuite/gfortran.dg/utf8_2.f03 trunk/gcc/testsuite/gfortran.dg/widechar_IO_1.f90 trunk/gcc/testsuite/gfortran.dg/write_check3.f90 trunk/gcc/testsuite/gfortran.dg/write_rewind_2.f trunk/gcc/testsuite/gfortran.dg/x_slash_2.f trunk/libgfortran/ChangeLog trunk/libgfortran/io/file_pos.c trunk/libgfortran/io/intrinsics.c Subject: Bug 39667 Author: jvdelisle Date: Wed May 27 01:21:22 2009 New Revision: 147887 URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=147887 Log: 2009-05-23 Jerry DeLisle <jvdelisle@gcc.gnu.org> Backport from mainline: PR libfortran/37754 * io/write_float.def: Simplify format calculation. 2009-05-23 Francois-Xavier Coudert <fxcoudert@gcc.gnu.org> Backport from mainline: PR fortran/22423 * io/transfer.c (read_block_direct): Avoid warning. 2009-05-23 Janne Blomqvist <jb@gcc.gnu.org> Backport from mainline: PR libfortran/39667 * io/file_pos.c (st_rewind): Don't truncate or flush. * io/intrinsics.c (fgetc): Flush if switching mode. (fputc): Likewise. 2009-05-23 Janne Blomqvist <jb@gcc.gnu.org> Backport from mainline: PR libfortran/39782 * io/transfer.c (data_transfer_init): Don't flush before seek. 2009-05-23 Janne Blomqvist <jb@gcc.gnu.org> Backport from mainline: * io/io.h (is_preconnected): Remove prototype. * io/unix.c (is_preconnected): Remove function. 2009-05-23 Janne Blomqvist <jb@gcc.gnu.org> Backport from mainline: PR libfortran/38668 * io/transfer.c (finalize_transfer): Don't flush for advance='no'. 2009-05-23 Danny Smith <dannysmith@clear.net.nz> Backport from mainline: * io/write.c (itoa) : Rename back to gfc_itoa. (write_i): Adjust call to write_decimal. (write_integer): Use gfc_itoa. 2009-05-23 Janne Blomqvist <jb@gcc.gnu.org> Backport from mainline: * io/io.h (move_pos_offset): Remove prototype. * io/transfer.c (formatted_transfer_scalar_read): Use sseek instead of move_pos_offset. * io/unix.c (move_pos_offset): Remove. 2009-05-23 Janne Blomqvist <jb@gcc.gnu.org> Backport from mainline: PR libfortran/39665 libfortran/39702 libfortran/39709 * io/io.h (st_parameter_dt): Revert aligned attribute from u.p.value. * io/list_read.c (read_complex): Read directly into user pointer. (read_real): Likewise. (list_formatted_read_scalar): Update read_complex and read_real calls. (nml_read_obj): Read directly into user pointer. 2009-05-23 Janne Blomqvist <jb@gcc.gnu.org> Backport from mainline: PR libfortran/39665 * io/io.h (st_parameter_dt): Add aligned attribute to u.p.value. * io/read.c (convert_real): Add note about alignment requirements. 2009-05-23 Janne Blomqvist <jb@gcc.gnu.org> Backport from mainline: * io/open.c (already_open): Test for POSIX close return value. * io/unit.c (close_unit_1): Likewise. * io/unix.c (raw_close): Return 0 for success for preconnected units. 2009-05-23 Janne Blomqvist <jb@gcc.gnu.org> Backport from mainline: * runtime/error.c (gfc_itoa): Move to io/write.c (xtoa): Rename to gfc_xtoa. * runtime/backtrace.c (show_backtrace): Call gfc_xtoa. * libgfortran.h (gfc_itoa): Remove prototype. (xtoa): Rename prototype to gfc_xtoa. * io/list_read.c (nml_read_obj): Use size_t for string length. * io/transfer.c (read_block_direct): Change nbytes arg from pointer to value. (unformatted_read): Minor cleanup, call read_block_directly properly. (skip_record): Use ssize_t. (next_record_w_unf): Avoid stell() call by calling sseek with SEEK_CUR. (iolength_transfer): Make sure to multiply before cast. * io/intrinsics.c (fgetc): Remove unnecessary variable. * io/format.c (format_hash): Use gfc_charlen_type. * io/write.c (itoa): Move from runtime/error.c:gfc_itoa, rename, make static. (write_i): Call with pointer to itoa. (write_z): Call with pointer to gfc_xtoa. (write_integer): Pointer to itoa. (nml_write_obj): Type cleanup, don't call strlen in loop. 2009-05-23 H.J. Lu <hongjiu.lu@intel.com> Backport from mainline: PR libgfortran/39664 * io/unix.c (raw_close): Don't close STDOUT_FILENO, STDERR_FILENO nor STDIN_FILENO. 2009-05-23 David Edelsohn <edelsohn@gnu.org> Backport from mainline: * io/io.h (struct stream): Rename truncate to trunc. (struncate): Same. * io/unix.c (raw_init): Rename truncate to trunc. (buf_init): Same. (open_internal): Same. 2009-05-23 Daniel Kraft <d@domob.eu> Backport from mainline: PR fortran/38654 * io/read.c (read_f): Reworked to speed up floating point parsing. (convert_real): Use pointer-casting instead of memcpy and temporaries. 2009-05-23 Jerry DeLisle <jvdelisle@gcc.gnu.org> Backport from mainline: PR libfortran/37754 * io/io.h (format_hash_entry): New structure for hash table. (format_hash_table): The hash table itself. (free_format_data): Revise function prototype. (free_format_hash_table, init_format_hash, free_format_hash): New function prototypes. * io/unit.c (close_unit_1): Use free_format_hash_table. * io/transfer.c (st_read_done, st_write_done): Free format data if internal unit. * io/format.c (free_format_hash_table): New function that frees any memory allocated previously for cached format data. (reset_node): New static helper function to reset the format counters for a format node. (reset_fnode_counters): New static function recursively calls reset_node to traverse the fnode tree. (format_hash): New simple hash function based on XOR, probabalistic, tosses collisions. (save_parsed_format): New static function to save the parsed format data to use again. (find_parsed_format): New static function searches the hash table looking for a match. (free_format_data): Revised to accept pointer to format data rather than the dtp pointer so that the function can be used in more places. (format_lex): Editorial. (parse_format_list): Set flag used to determine of format data hashing is to be used. Internal units are not persistent enough for this. (revert): Move to ne location in file. (parse_format): Use new functions to look for previously parsed format strings and use them rather than re-parse. If not found, saves the parsed format data for later use. 2009-05-23 Jerry DeLisle <jvdelisle@gcc.gnu.org> Backport from mainline: PR libfortran/37754 * io/transfer.c (formatted_transfer_scalar): Remove this function by factoring it into two new functions, one for read and one for write, eliminating all the conditionals for read or write mode. (formatted transfer_scalar_read): New function. (formatted transfer_scalar_write): New function. (formatted_transfer): Use new functions. 2009-05-23 Janne Blomqvist <jb@gcc.gnu.org> Backport from mainline: PR libfortran/25561 libfortran/37754 * io/io.h (struct stream): Define new stream interface function pointers, and inline functions for accessing it. (struct fbuf): Use int instead of size_t, remove flushed element. (mem_alloc_w): New prototype. (mem_alloc_r): New prototype. (stream_at_bof): Remove prototype. (stream_at_eof): Remove prototype. (file_position): Remove prototype. (flush): Remove prototype. (stream_offset): Remove prototype. (unit_truncate): New prototype. (read_block_form): Change to return pointer, int* argument. (hit_eof): New prototype. (fbuf_init): Change prototype. (fbuf_reset): Change prototype. (fbuf_alloc): Change prototype. (fbuf_flush): Change prototype. (fbuf_seek): Change prototype. (fbuf_read): New prototype. (fbuf_getc_refill): New prototype. (fbuf_getc): New inline function. * io/fbuf.c (fbuf_init): Use int, get rid of flushed. (fbuf_debug): New function. (fbuf_reset): Flush, and return position offset. (fbuf_alloc): Simplify, don't flush, just realloc. (fbuf_flush): Make usable for read mode, salvage remaining bytes. (fbuf_seek): New whence argument. (fbuf_read): New function. (fbuf_getc_refill): New function. * io/file_pos.c (formatted_backspace): Use new stream interface. (unformatted_backspace): Likewise. (st_backspace): Make sure format buffer is reset, use new stream interface, use unit_truncate. (st_endfile): Likewise. (st_rewind): Likewise. * io/intrinsics.c: Use new stream interface. * io/list_read.c (push_char): Don't use u.p.scratch, use realloc to resize. (free_saved): Don't check u.p.scratch. (next_char): Use new stream interface, use fbuf_getc() for external files. (finish_list_read): flush format buffer. (nml_query): Update to use modified interface:s * io/open.c (test_endfile): Use new stream interface. (edit_modes): Likewise. (new_unit): Likewise, set bytes_left to 1 for stream files. * io/read.c (read_l): Use new read_block_form interface. (read_utf8): Likewise. (read_utf8_char1): Likewise. (read_default_char1): Likewise. (read_utf8_char4): Likewise. (read_default_char4): Likewise. (read_a): Likewise. (read_a_char4): Likewise. (read_decimal): Likewise. (read_radix): Likewise. (read_f): Likewise. * io/transfer.c (read_sf): Use fbuf_read and mem_alloc_r, remove usage of u.p.line_buffer. (read_block_form): Update interface to return pointer, use fbuf_read for direct access. (read_block_direct): Update to new stream interface. (write_block): Use mem_alloc_w for internal I/O. (write_buf): Update to new stream interface. (formatted_transfer_scalar): Don't use u.p.line_buffer, use fbuf_seek for external files. (us_read): Update to new stream interface. (us_write): Likewise. (data_transfer_init): Always check if we switch modes and flush. (skip_record): Use new stream interface, fix comparison. (next_record_r): Check for and reset u.p.at_eof, use new stream interface, use fbuf_getc for spacing. (write_us_marker): Update to new stream interface, don't inline. (next_record_w_unf): Likewise. (sset): New function. (next_record_w): Use new stream interface, use fbuf for printing newline. (next_record): Use new stream interface. (finalize_transfer): Remove sfree call, use new stream interface. (st_iolength_done): Don't use u.p.scratch. (st_read): Don't check for end of file. (st_read_done): Don't use u.p.scratch, use unit_truncate. (hit_eof): New function. * io/unit.c (init_units): Always init fbuf for formatted units. (update_position): Use new stream interface. (unit_truncate): New function. (finish_last_advance_record): Use fbuf to print newline. * io/unix.c: Remove unused SSIZE_MAX macro. (BUFFER_SIZE): Make static const variable rather than macro. (struct unix_stream): Remove dirty_offset, len, method, small_buffer. Order elements by decreasing size. (struct int_stream): Remove. (move_pos_offset): Remove usage of dirty_offset. (reset_stream): Remove. (do_read): Rename to raw_read, update to match new stream interface. (do_write): Rename to raw_write, update to new stream interface. (raw_seek): New function. (raw_tell): New function. (raw_truncate): New function. (raw_close): New function. (raw_flush): New function. (raw_init): New function. (fd_alloc): Remove. (fd_alloc_r_at): Remove. (fd_alloc_w_at): Remove. (fd_sfree): Remove. (fd_seek): Remove. (fd_truncate): Remove. (fd_sset): Remove. (fd_read): Remove. (fd_write): Remove. (fd_close): Remove. (fd_open): Remove. (fd_flush): Rename to buf_flush, update to new stream interface and unix_stream. (buf_read): New function. (buf_write): New function. (buf_seek): New function. (buf_tell): New function. (buf_truncate): New function. (buf_close): New function. (buf_init): New function. (mem_alloc_r_at): Rename to mem_alloc_r, change prototype. (mem_alloc_w_at): Rename to mem_alloc_w, change prototype. (mem_read): Change to match new stream interface. (mem_write): Likewise. (mem_seek): Likewise. (mem_tell): Likewise. (mem_truncate): Likewise. (mem_close): Likewise. (mem_flush): New function. (mem_sfree): Remove. (empty_internal_buffer): Cast to correct type. (open_internal): Use correct type, init function pointers. (fd_to_stream): Test whether to open file as buffered or raw. (output_stream): Remove mode set. (error_stream): Likewise. (flush_all_units_1): Use new stream interface. (flush_all_units): Likewise. (stream_at_bof): Remove. (stream_at_eof): Remove. (file_position): Remove. (file_length): Update logic to use stream interface. (flush): Remove. (stream_offset): Remove. * io/write.c (write_utf8_char4): Use int instead of size_t. (write_x): Extra safety check. (namelist_write_newline): Use new stream interface. Modified: branches/gcc-4_4-branch/libgfortran/ChangeLog branches/gcc-4_4-branch/libgfortran/io/fbuf.c branches/gcc-4_4-branch/libgfortran/io/file_pos.c branches/gcc-4_4-branch/libgfortran/io/format.c branches/gcc-4_4-branch/libgfortran/io/intrinsics.c branches/gcc-4_4-branch/libgfortran/io/io.h branches/gcc-4_4-branch/libgfortran/io/list_read.c branches/gcc-4_4-branch/libgfortran/io/open.c branches/gcc-4_4-branch/libgfortran/io/read.c branches/gcc-4_4-branch/libgfortran/io/transfer.c branches/gcc-4_4-branch/libgfortran/io/unit.c branches/gcc-4_4-branch/libgfortran/io/unix.c branches/gcc-4_4-branch/libgfortran/io/write.c branches/gcc-4_4-branch/libgfortran/io/write_float.def branches/gcc-4_4-branch/libgfortran/libgfortran.h branches/gcc-4_4-branch/libgfortran/runtime/backtrace.c branches/gcc-4_4-branch/libgfortran/runtime/error.c Updated patch fixing remaining fd_truncate issues with testsuite. Subject: Bug 39667 Author: jb Date: Thu Aug 27 17:40:55 2009 New Revision: 151144 URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=151144 Log: PR libfortran/39667 Fix testcases to not need fd_truncate. Modified: trunk/gcc/testsuite/ChangeLog trunk/gcc/testsuite/gfortran.dg/f2003_io_4.f03 trunk/gcc/testsuite/gfortran.dg/fmt_cache_1.f trunk/gcc/testsuite/gfortran.dg/fmt_exhaust.f90 trunk/gcc/testsuite/gfortran.dg/fmt_t_4.f90 trunk/gcc/testsuite/gfortran.dg/fseek.f90 trunk/gcc/testsuite/gfortran.dg/list_read_5.f90 trunk/gcc/testsuite/gfortran.dg/namelist_39.f90 trunk/gcc/testsuite/gfortran.dg/namelist_56.f90 trunk/gcc/testsuite/gfortran.dg/read_bad_advance.f90 trunk/gcc/testsuite/gfortran.dg/read_repeat.f90 trunk/gcc/testsuite/gfortran.dg/read_size_noadvance.f90 trunk/gcc/testsuite/gfortran.dg/read_x_past.f Closing as fixed |