2010-12-14 Sebastian Pop <sebastian.pop@amd.com>
+ PR tree-optimization/46845
+ * sese.c (scalar_evolution_in_region): Handle scop parameters
+ before scev analysis.
+
+2010-12-14 Sebastian Pop <sebastian.pop@amd.com>
+
PR tree-optimization/46928
* tree-data-ref.c (analyze_overlapping_iterations): Handle "A[p] == A[p]"
in data dependence analysis with p a parameter of the loop.
struct loop *def_loop;
basic_block before = block_before_sese (region);
+ /* SCOP parameters. */
+ if (TREE_CODE (t) == SSA_NAME
+ && !defined_in_sese_p (t, region))
+ return t;
+
if (TREE_CODE (t) != SSA_NAME
|| loop_in_sese_p (loop, region))
return instantiate_scev (before, loop,
analyze_scalar_evolution (loop, t));
- if (!defined_in_sese_p (t, region))
- return t;
-
def = SSA_NAME_DEF_STMT (t);
def_loop = loop_containing_stmt (def);
2010-12-14 Sebastian Pop <sebastian.pop@amd.com>
+ PR tree-optimization/46845
+ * gcc.dg/graphite/id-pr46845.c: New.
+
+2010-12-14 Sebastian Pop <sebastian.pop@amd.com>
+
PR tree-optimization/46928
* gcc.dg/tree-ssa/ldist-17.c: New.
--- /dev/null
+/* { dg-options "-O2 -ffast-math -fgraphite-identity -w -Wno-psabi" { target { i?86-*-* x86_64-*-* } } } */
+
+typedef float V2SF __attribute__ ((vector_size (128)));
+
+V2SF
+foo (int x, V2SF a)
+{
+ V2SF b;
+ if (x & 42)
+ b = a;
+ else
+ b = a + (V2SF) {1.0f/0.0f - 1.0f/0.0f, 1.0f/0.0f - 1.0f/0.0f};
+ while (x--)
+ a += b;
+
+ return a;
+}