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| author | Jakub Jelinek <jakub@redhat.com> | 2019-01-24 20:49:09 +0100 |
|---|---|---|
| committer | Jakub Jelinek <jakub@gcc.gnu.org> | 2019-01-24 20:49:09 +0100 |
| commit | f359ba2fa911fd73bb5d22592c695ed5ab497b0e (patch) | |
| tree | d9f75e5c617e4f860d7919bb3cbc55605048ff65 /gcc | |
| parent | 3b4218cc9f243cfe796dd933e8d0abd9c610503e (diff) | |
| download | gcc-f359ba2fa911fd73bb5d22592c695ed5ab497b0e.zip gcc-f359ba2fa911fd73bb5d22592c695ed5ab497b0e.tar.gz gcc-f359ba2fa911fd73bb5d22592c695ed5ab497b0e.tar.bz2 | |
re PR tree-optimization/88964 (ICE in wide_int_to_tree_1, at tree.c:1561)
PR tree-optimization/88964
* gimple-loop-interchange.cc (loop_cand::analyze_induction_var): Also
punt if HONOR_SNANS (chrec).
From-SVN: r268247
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/ChangeLog | 4 | ||||
| -rw-r--r-- | gcc/gimple-loop-interchange.cc | 4 |
2 files changed, 6 insertions, 2 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 7087ef1..03d1b33 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,5 +1,9 @@ 2019-01-24 Jakub Jelinek <jakub@redhat.com> + PR tree-optimization/88964 + * gimple-loop-interchange.cc (loop_cand::analyze_induction_var): Also + punt if HONOR_SNANS (chrec). + PR middle-end/89015 * tree-nested.c (convert_nonlocal_reference_stmt, convert_local_reference_stmt, convert_tramp_reference_stmt, diff --git a/gcc/gimple-loop-interchange.cc b/gcc/gimple-loop-interchange.cc index 1f0e49d..b188ce8 100644 --- a/gcc/gimple-loop-interchange.cc +++ b/gcc/gimple-loop-interchange.cc @@ -690,8 +690,8 @@ loop_cand::analyze_induction_var (tree var, tree chrec) { /* Punt on floating point invariants if honoring signed zeros, representing that as + 0.0 would change the result if init - is -0.0. */ - if (HONOR_SIGNED_ZEROS (chrec)) + is -0.0. Similarly for SNaNs it can raise exception. */ + if (HONOR_SIGNED_ZEROS (chrec) || HONOR_SNANS (chrec)) return false; struct induction *iv = XCNEW (struct induction); iv->var = var; |