tree-ssa-pre.c (create_component_ref_by_pieces_1): Fix TARGET_MEM_REF creation.

2019-10-17  Richard Biener  <rguenther@suse.de>

	* tree-ssa-pre.c (create_component_ref_by_pieces_1): Fix
	TARGET_MEM_REF creation.

From-SVN: r277098

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 607b94d..bdafc58 100644 (file)
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,5 +1,10 @@
 2019-10-17  Richard Biener  <rguenther@suse.de>
 
+       * tree-ssa-pre.c (create_component_ref_by_pieces_1): Fix
+       TARGET_MEM_REF creation.
+
+2019-10-17  Richard Biener  <rguenther@suse.de>
+
        PR tree-optimization/92129
        * tree-vect-loop.c (vectorizable_reduction): Also fail
        on GIMPLE_SINGLE_RHS.

diff --git a/gcc/tree-ssa-pre.c b/gcc/tree-ssa-pre.c
index 0f8f424..363dec6 100644 (file)
--- a/gcc/tree-ssa-pre.c
+++ b/gcc/tree-ssa-pre.c
@@ -2492,7 +2492,7 @@ create_component_ref_by_pieces_1 (basic_block block, vn_reference_t ref,
     case TARGET_MEM_REF:
       {
        tree genop0 = NULL_TREE, genop1 = NULL_TREE;
-       vn_reference_op_t nextop = &ref->operands[++*operand];
+       vn_reference_op_t nextop = &ref->operands[(*operand)++];
        tree baseop = create_component_ref_by_pieces_1 (block, ref, operand,
                                                        stmts);
        if (!baseop)