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re PR middle-end/51211 (ICE: SIGSEGV in execute_tm_mark (trans-mem.c:2242) with -fgnu-tm -O -freorder-blocks -ftracer --param hot-bb-frequency-fraction=1 and __transaction_atomic) 

PR middle-end/51211
        * tracer.c (ignore_bb_p): Don't copy GIMPLE_TRANSACTION.

From-SVN: r181512
This commit is contained in:
Patrick Marlier 2011-11-19 19:29:18 +00:00 committed by Richard Henderson
parent 6f83092f55
commit 2e85d5e290
2 changed files with 14 additions and 0 deletions
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5
gcc/ChangeLog
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@ -1,3 +1,8 @@
2011-11-19 Patrick Marlier <patrick.marlier@gmail.com>
PR middle-end/51211
* tracer.c (ignore_bb_p): Don't copy GIMPLE_TRANSACTION.
2011-11-19 Eric Botcazou <ebotcazou@adacore.com>
* expmed.c (store_bit_field_1): Revert bogus formatting change.

9
gcc/tracer.c
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@ -90,10 +90,19 @@ bb_seen_p (basic_block bb)
static bool
ignore_bb_p (const_basic_block bb)
{
gimple g;
if (bb->index < NUM_FIXED_BLOCKS)
return true;
if (optimize_bb_for_size_p (bb))
return true;
/* A transaction is a single entry multiple exit region. It must be
duplicated in its entirety or not at all. */
g = last_stmt (CONST_CAST_BB (bb));
if (g && gimple_code (g) == GIMPLE_TRANSACTION)
return true;
return false;
}