From a31b7163ba994357f66ec4fa258290d183441ee7 Mon Sep 17 00:00:00 2001 From: Changpeng Fang Date: Mon, 19 Jul 2010 15:00:15 -0700 Subject: [PATCH 3/3] PR 44955: Strip off the real and complex parts * tree-ssa-loop-prefetch.c (analyze_ref): Strip off the real and imagine parts of a complex, so that they can have the same base and fall into the same group. --- gcc/tree-ssa-loop-prefetch.c | 16 ++++++++++++---- 1 files changed, 12 insertions(+), 4 deletions(-) diff --git a/gcc/tree-ssa-loop-prefetch.c b/gcc/tree-ssa-loop-prefetch.c index ded4672..5d53476 100644 --- a/gcc/tree-ssa-loop-prefetch.c +++ b/gcc/tree-ssa-loop-prefetch.c @@ -481,10 +481,18 @@ analyze_ref (struct loop *loop, tree *ref_p, tree *base, *step = NULL_TREE; *delta = 0; - /* First strip off the component references. Ignore bitfields. */ - if (TREE_CODE (ref) == COMPONENT_REF - && DECL_NONADDRESSABLE_P (TREE_OPERAND (ref, 1))) - ref = TREE_OPERAND (ref, 0); + /* First strip off the component references. Ignore bitfields. + Also strip off the real and imagine parts of a complex, so that + they can have the same base. */ + if (TREE_CODE (ref) == REALPART_EXPR + || TREE_CODE (ref) == IMAGPART_EXPR + || (TREE_CODE (ref) == COMPONENT_REF + && DECL_NONADDRESSABLE_P (TREE_OPERAND (ref, 1)))) + { + if (TREE_CODE (ref) == IMAGPART_EXPR) + *delta += int_size_in_bytes (TREE_TYPE (ref)); + ref = TREE_OPERAND (ref, 0); + } *ref_p = ref; -- 1.6.3.3