diff --git a/gcc/ChangeLog b/gcc/ChangeLog index e71b548253ef..9cb04ca01b49 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,8 @@ +2016-08-09 Richard Biener + + * tree-ssa-threadbackward.c (profitable_jump_thread_path): + Treat same SSA names related. + 2016-08-09 Jakub Jelinek PR tree-optimization/72824 diff --git a/gcc/tree-ssa-threadbackward.c b/gcc/tree-ssa-threadbackward.c index 234ce50d10ca..e05669f81472 100644 --- a/gcc/tree-ssa-threadbackward.c +++ b/gcc/tree-ssa-threadbackward.c @@ -207,8 +207,9 @@ profitable_jump_thread_path (vec *&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; }