diff options
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/tree-ssa-threadbackward.c | 5 |
2 files changed, 8 insertions, 2 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index e71b5482..9cb04ca 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,8 @@ +2016-08-09 Richard Biener <rguenther@suse.de> + + * tree-ssa-threadbackward.c (profitable_jump_thread_path): + Treat same SSA names related. + 2016-08-09 Jakub Jelinek <jakub@redhat.com> PR tree-optimization/72824 diff --git a/gcc/tree-ssa-threadbackward.c b/gcc/tree-ssa-threadbackward.c index 234ce50..e05669f 100644 --- a/gcc/tree-ssa-threadbackward.c +++ b/gcc/tree-ssa-threadbackward.c @@ -207,8 +207,9 @@ profitable_jump_thread_path (vec<basic_block, va_gc> *&path, /* Note that if both NAME and DST are anonymous SSA_NAMEs, then we do not have enough information to consider them associated. */ - if ((SSA_NAME_VAR (dst) != SSA_NAME_VAR (name) - || !SSA_NAME_VAR (dst)) + if (dst != name + && (SSA_NAME_VAR (dst) != SSA_NAME_VAR (name) + || !SSA_NAME_VAR (dst)) && !virtual_operand_p (dst)) ++n_insns; } |