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authorAlexandre Oliva <aoliva@redhat.com>2007-10-06 11:47:51 +0000
committerAlexandre Oliva <aoliva@gcc.gnu.org>2007-10-06 11:47:51 +0000
commit835b616d29442abde09ffe9f5899189ccb50e87e (patch)
tree97386aa2a17f337dd3026d0bf370e0be78a9f48d /gcc
parente9705dc5e5455d23dc95476198b3f5679f73aa5a (diff)
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re PR tree-optimization/33655 (ICE in bitfield_overlaps_p, at tree-sra.c:2901)
gcc/ChangeLog: PR tree-optimization/33655 * tree-sra.c (bitfield_overlaps_p): Handle array and complex elements. gcc/testsuite/ChangeLog: PR tree-optimization/33655 * gcc.dg/torture/pr33655.c: New. From-SVN: r129052
Diffstat (limited to 'gcc')
-rw-r--r--gcc/ChangeLog6
-rw-r--r--gcc/testsuite/ChangeLog5
-rw-r--r--gcc/testsuite/gcc.dg/torture/pr33655.c14
-rw-r--r--gcc/tree-sra.c5
4 files changed, 30 insertions, 0 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index db4e33e..4534268 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,5 +1,11 @@
2007-10-06 Alexandre Oliva <aoliva@redhat.com>
+ PR tree-optimization/33655
+ * tree-sra.c (bitfield_overlaps_p): Handle array and complex
+ elements.
+
+2007-10-06 Alexandre Oliva <aoliva@redhat.com>
+
PR tree-optimization/33572
* tree-cfg.c (verify_stmts): Check for missing PHI defs.
* tree-inline.c (update_ssa_across_eh_edges): Renamed to...
diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index 5ce6289..7032624 100644
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,5 +1,10 @@
2007-10-06 Alexandre Oliva <aoliva@redhat.com>
+ PR tree-optimization/33655
+ * gcc.dg/torture/pr33655.c: New.
+
+2007-10-06 Alexandre Oliva <aoliva@redhat.com>
+
PR tree-optimization/33572
* g++.dg/torture/pr33572.C: New.
diff --git a/gcc/testsuite/gcc.dg/torture/pr33655.c b/gcc/testsuite/gcc.dg/torture/pr33655.c
new file mode 100644
index 0000000..2f9da65
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/torture/pr33655.c
@@ -0,0 +1,14 @@
+/* { dg-do compile } */
+typedef struct {
+ unsigned long attr;
+ int chars[2];
+} cchar_t;
+typedef struct _win_st {
+ cchar_t _bkgrnd;
+} WINDOW;
+void render_char(WINDOW *win, cchar_t ch)
+{
+ if ((ch).chars[0] == L' '
+ && (ch).chars[1] == L'\0')
+ win->_bkgrnd = ch;
+}
diff --git a/gcc/tree-sra.c b/gcc/tree-sra.c
index ff7a52c..764f70b 100644
--- a/gcc/tree-sra.c
+++ b/gcc/tree-sra.c
@@ -2897,6 +2897,11 @@ bitfield_overlaps_p (tree blen, tree bpos, struct sra_elt *fld,
flen = fold_convert (bitsizetype, TREE_OPERAND (fld->element, 1));
fpos = fold_convert (bitsizetype, TREE_OPERAND (fld->element, 2));
}
+ else if (TREE_CODE (fld->element) == INTEGER_CST)
+ {
+ flen = fold_convert (bitsizetype, TYPE_SIZE (fld->type));
+ fpos = size_binop (MULT_EXPR, flen, fld->element);
+ }
else
gcc_unreachable ();