diff options
| author | spop <spop@138bc75d-0d04-0410-961f-82ee72b054a4> | 2010-07-21 15:44:24 +0000 |
|---|---|---|
| committer | spop <spop@138bc75d-0d04-0410-961f-82ee72b054a4> | 2010-07-21 15:44:24 +0000 |
| commit | 0e948838fb53991de9810171eaa1e694d34541b3 (patch) | |
| tree | 089ba7f69a80a87de2c6af2da38f788d0971f77f /gcc/tree-ssa-loop-prefetch.c | |
| parent | e8fe2029241159f9b55ef3117ace84dfc676aace (diff) | |
| download | gcc-0e948838fb53991de9810171eaa1e694d34541b3.tar.gz | |
Fix PR 44955: Strip off the real and complex parts.
2010-07-21 Changpeng Fang <changpeng.fang@amd.com>
PR tree-optimization/44955
* 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.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@162381 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/tree-ssa-loop-prefetch.c')
| -rw-r--r-- | 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 1932d05c366..4840704be19 100644 --- a/gcc/tree-ssa-loop-prefetch.c +++ b/gcc/tree-ssa-loop-prefetch.c @@ -486,10 +486,18 @@ 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; |