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re PR target/24934 (profilebootstrap failure)

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PR target/24934
* opts.c (decode_options): Turn off partitioning if flag_unwind_tables
is set.

From-SVN: r108103
This commit is contained in:
James E Wilson 2005-12-05 21:31:39 -08:00 • committed by Jim Wilson
parent 326eda4b25
commit e395963ff6
2 changed files with 25 additions and 2 deletions
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6
gcc/ChangeLog
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@ -1,3 +1,9 @@
2005-12-05 James E Wilson <wilson@specifix.com>
PR target/24934
* opts.c (decode_options): Turn off partitioning if flag_unwind_tables
is set.
2005-12-05 Daniel Berlin <dberlin@dberlin.org>
* print-tree.c (print_node): Ditto.

21
gcc/opts.c
View file

@ -675,7 +675,8 @@ decode_options (unsigned int argc, const char **argv)
/* The optimization to partition hot and cold basic blocks into separate
sections of the .o and executable files does not work (currently)
with exception handling. If flag_exceptions is turned on we need to
with exception handling. This is because there is no support for
generating unwind info. If flag_exceptions is turned on we need to
turn off the partitioning optimization. */
if (flag_exceptions && flag_reorder_blocks_and_partition)
@ -686,8 +687,24 @@ decode_options (unsigned int argc, const char **argv)
flag_reorder_blocks = 1;
}
/* If user requested unwind info, then turn off the partitioning
optimization. */
if (flag_unwind_tables && ! targetm.unwind_tables_default
&& flag_reorder_blocks_and_partition)
{
inform ("-freorder-blocks-and-parition does not support unwind info");
flag_reorder_blocks_and_partition = 0;
flag_reorder_blocks = 1;
}
/* If the target requested unwind info, then turn off the partitioning
optimization with a different message. Likewise, if the target does not
support named sections. */
if (flag_reorder_blocks_and_partition
&& !targetm.have_named_sections)
&& (!targetm.have_named_sections
|| (flag_unwind_tables && targetm.unwind_tables_default)))
{
inform
("-freorder-blocks-and-partition does not work on this architecture");