From 496d3346cfeeb96c46d299dc55a86082f544824f Mon Sep 17 00:00:00 2001 From: Richard Biener Date: Wed, 29 Oct 2014 09:22:55 +0000 Subject: re PR tree-optimization/63666 (FAIL: gcc.dg/vect/pr45752.c (internal compiler error)) 2014-10-29 Richard Biener PR tree-optimization/63666 * tree-vect-slp.c (vect_get_mask_element): Properly handle accessing out-of-bound elements. From-SVN: r216825 --- gcc/tree-vect-slp.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) (limited to 'gcc/tree-vect-slp.c') diff --git a/gcc/tree-vect-slp.c b/gcc/tree-vect-slp.c index 90f5ef4..84bec95 100644 --- a/gcc/tree-vect-slp.c +++ b/gcc/tree-vect-slp.c @@ -2890,7 +2890,7 @@ vect_get_mask_element (gimple stmt, int first_mask_element, int m, } /* The mask requires the next vector. */ - if (*current_mask_element >= mask_nunits * 2) + while (*current_mask_element >= mask_nunits * 2) { if (*needs_first_vector || *mask_fixed) { @@ -3041,6 +3041,7 @@ vect_transform_slp_perm_load (slp_tree node, vec dr_chain, &number_of_mask_fixes, &mask_fixed, &needs_first_vector)) return false; + gcc_assert (current_mask_element < 2 * nunits); mask[index++] = current_mask_element; if (index == nunits) -- cgit v1.1