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| author | Alan Hayward <alan.hayward@arm.com> | 2016-06-13 11:07:35 +0000 |
|---|---|---|
| committer | Alan Hayward <alahay01@gcc.gnu.org> | 2016-06-13 11:07:35 +0000 |
| commit | 915794eb26eaafe970c4c9f9d7774b55c4b772b5 (patch) | |
| tree | c5dbb766623b0e59baf27db30407570219722e31 /gcc/tree-vect-loop.c | |
| parent | 46c1cff63f942e715c53739610951ea58ab8c228 (diff) | |
| download | gcc-915794eb26eaafe970c4c9f9d7774b55c4b772b5.zip gcc-915794eb26eaafe970c4c9f9d7774b55c4b772b5.tar.gz gcc-915794eb26eaafe970c4c9f9d7774b55c4b772b5.tar.bz2 | |
re PR tree-optimization/71416 (ICE at -O3 in 32-bit and 64-bit modes on x86_64-linux-gnu (vectorizable_live_operation))
2016-06-13 Alan Hayward <alan.hayward@arm.com>
gcc/
PR tree-optimization/71416
* tree-vect-loop.c (vectorizable_live_operation): Let worklist have
multiple entries
From-SVN: r237375
Diffstat (limited to 'gcc/tree-vect-loop.c')
| -rw-r--r-- | gcc/tree-vect-loop.c | 11 |
1 files changed, 7 insertions, 4 deletions
diff --git a/gcc/tree-vect-loop.c b/gcc/tree-vect-loop.c index 1231b95..91d0608 100644 --- a/gcc/tree-vect-loop.c +++ b/gcc/tree-vect-loop.c @@ -6351,7 +6351,7 @@ vectorizable_live_operation (gimple *stmt, FOR_EACH_IMM_USE_STMT (use_stmt, imm_iter, lhs) if (!flow_bb_inside_loop_p (loop, gimple_bb (use_stmt))) worklist.safe_push (use_stmt); - gcc_assert (worklist.length () == 1); + gcc_assert (worklist.length () >= 1); bitsize = TYPE_SIZE (TREE_TYPE (vectype)); vec_bitsize = TYPE_SIZE (vectype); @@ -6409,9 +6409,12 @@ vectorizable_live_operation (gimple *stmt, /* Replace all uses of the USE_STMT in the worklist with the newly inserted statement. */ - use_stmt = worklist.pop (); - replace_uses_by (gimple_phi_result (use_stmt), new_tree); - update_stmt (use_stmt); + while (!worklist.is_empty ()) + { + use_stmt = worklist.pop (); + replace_uses_by (gimple_phi_result (use_stmt), new_tree); + update_stmt (use_stmt); + } return true; } |