From 3f292312f2ddd6eba99c2d9ee8c73b130fdcbdb9 Mon Sep 17 00:00:00 2001 From: Jakub Jelinek Date: Wed, 27 Feb 2013 23:06:21 +0100 Subject: [PATCH] re PR middle-end/56461 (GCC is leaking lots of memory) PR middle-end/56461 * tree-vect-data-refs.c (vect_permute_load_chain): Avoid using copy method on dr_chain and result_chain. From-SVN: r196325 --- gcc/ChangeLog | 4 ++++ gcc/tree-vect-data-refs.c | 7 +++++-- 2 files changed, 9 insertions(+), 2 deletions(-) diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 7cc49fa929e..08fd6b81a27 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,5 +1,9 @@ 2013-02-27 Jakub Jelinek + PR middle-end/56461 + * tree-vect-data-refs.c (vect_permute_load_chain): Avoid using copy + method on dr_chain and result_chain. + PR middle-end/56461 * tree-ssa-loop-niter.c (maybe_lower_iteration_bound): Call pointer_set_destroy on not_executed_last_iteration. diff --git a/gcc/tree-vect-data-refs.c b/gcc/tree-vect-data-refs.c index 74d8c3a41fa..bf5a7b7731f 100644 --- a/gcc/tree-vect-data-refs.c +++ b/gcc/tree-vect-data-refs.c @@ -4673,7 +4673,9 @@ vect_permute_load_chain (vec dr_chain, unsigned nelt = TYPE_VECTOR_SUBPARTS (vectype); unsigned char *sel = XALLOCAVEC (unsigned char, nelt); - *result_chain = dr_chain.copy (); + result_chain->quick_grow (length); + memcpy (result_chain->address (), dr_chain.address (), + length * sizeof (tree)); for (i = 0; i < nelt; ++i) sel[i] = i * 2; @@ -4708,7 +4710,8 @@ vect_permute_load_chain (vec dr_chain, vect_finish_stmt_generation (stmt, perm_stmt, gsi); (*result_chain)[j/2+length/2] = data_ref; } - dr_chain = result_chain->copy (); + memcpy (dr_chain.address (), result_chain->address (), + length * sizeof (tree)); } }