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| author | Richard Biener <rguenther@suse.de> | 2013-05-22 11:16:32 +0000 |
|---|---|---|
| committer | Richard Biener <rguenth@gcc.gnu.org> | 2013-05-22 11:16:32 +0000 |
| commit | bee0b10c535d7a4d6fd3221062b07ace1d6b1e98 (patch) | |
| tree | f62cf8d700d68c144805131381be150a5f11084b /gcc | |
| parent | bf7a73f980176707745367de9e384034e1fa32c0 (diff) | |
| download | gcc-bee0b10c535d7a4d6fd3221062b07ace1d6b1e98.zip gcc-bee0b10c535d7a4d6fd3221062b07ace1d6b1e98.tar.gz gcc-bee0b10c535d7a4d6fd3221062b07ace1d6b1e98.tar.bz2 | |
re PR tree-optimization/57349 (ICE on 253.perlbmk with pgo after r198096)
2013-05-22 Richard Biener <rguenther@suse.de>
PR middle-end/57349
* profile.c (branch_prob): Do not split blocks that are
abnormally receiving from ECF_RETURNS_TWICE functions.
From-SVN: r199193
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/ChangeLog | 6 | ||||
| -rw-r--r-- | gcc/profile.c | 26 |
2 files changed, 20 insertions, 12 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 16cd2d9..ffb3c67 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,9 @@ +2013-05-22 Richard Biener <rguenther@suse.de> + + PR middle-end/57349 + * profile.c (branch_prob): Do not split blocks that are + abnormally receiving from ECF_RETURNS_TWICE functions. + 2013-05-22 Richard Sandiford <rsandifo@linux.vnet.ibm.com> * recog.c (offsettable_address_addr_space_p): Fix calculation of diff --git a/gcc/profile.c b/gcc/profile.c index 6f05581..b833398 100644 --- a/gcc/profile.c +++ b/gcc/profile.c @@ -1085,18 +1085,20 @@ branch_prob (void) or __builtin_setjmp_dispatcher calls. These are very special and don't expect anything to be inserted before them. */ - if (!is_gimple_call (first) - || (fndecl = gimple_call_fndecl (first)) == NULL - || DECL_BUILT_IN_CLASS (fndecl) != BUILT_IN_NORMAL - || (DECL_FUNCTION_CODE (fndecl) != BUILT_IN_SETJMP_RECEIVER - && (DECL_FUNCTION_CODE (fndecl) - != BUILT_IN_SETJMP_DISPATCHER))) - { - if (dump_file) - fprintf (dump_file, "Splitting bb %i after labels\n", - bb->index); - split_block_after_labels (bb); - } + if (is_gimple_call (first) + && (((fndecl = gimple_call_fndecl (first)) != NULL + && DECL_BUILT_IN_CLASS (fndecl) == BUILT_IN_NORMAL + && (DECL_FUNCTION_CODE (fndecl) + == BUILT_IN_SETJMP_RECEIVER + || (DECL_FUNCTION_CODE (fndecl) + == BUILT_IN_SETJMP_DISPATCHER))) + || gimple_call_flags (first) & ECF_RETURNS_TWICE)) + continue; + + if (dump_file) + fprintf (dump_file, "Splitting bb %i after labels\n", + bb->index); + split_block_after_labels (bb); } } } |