+2015-07-24 Tom de Vries <tom@codesourcery.com>
+
+ * graphite-sese-to-poly.c (is_reduction_operation_p): Limit
+ flag_associative_math to FLOAT_TYPE_P. Honour
+ TYPE_OVERFLOW_WRAPS for INTEGRAL_TYPE_P. Don't allow any other types.
+
2015-07-24 Manuel López-Ibáñez <manu@gcc.gnu.org>
PR c++/64079
gcc_assert (is_gimple_assign (stmt));
code = gimple_assign_rhs_code (stmt);
- return flag_associative_math
- && commutative_tree_code (code)
- && associative_tree_code (code);
+ if (!commutative_tree_code (code)
+ || !associative_tree_code (code))
+ return false;
+
+ tree type = TREE_TYPE (gimple_assign_lhs (stmt));
+
+ if (FLOAT_TYPE_P (type))
+ return flag_associative_math;
+
+ return (INTEGRAL_TYPE_P (type)
+ && TYPE_OVERFLOW_WRAPS (type));
}
/* Returns true when PHI contains an argument ARG. */
+2015-07-24 Tom de Vries <tom@codesourcery.com>
+
+ * gcc.dg/graphite/block-1.c: Xfail scan.
+ * gcc.dg/graphite/interchange-12.c: Same.
+ * gcc.dg/graphite/interchange-14.c: Same.
+ * gcc.dg/graphite/interchange-15.c: Same.
+ * gcc.dg/graphite/interchange-9.c: Same.
+ * gcc.dg/graphite/interchange-mvt.c: Same.
+ * gcc.dg/graphite/uns-block-1.c: New test.
+ * gcc.dg/graphite/uns-interchange-12.c: New test.
+ * gcc.dg/graphite/uns-interchange-14.c: New test.
+ * gcc.dg/graphite/uns-interchange-15.c: New test.
+ * gcc.dg/graphite/uns-interchange-9.c: New test.
+ * gcc.dg/graphite/uns-interchange-mvt.c: New test.
+
2015-07-24 Manuel López-Ibáñez <manu@gcc.gnu.org>
PR c++/64079
return 0;
}
-/* { dg-final { scan-tree-dump-times "will be loop blocked" 3 "graphite" } } */
+/* { dg-final { scan-tree-dump-times "will be loop blocked" 3 "graphite" { xfail *-*-* } } } */
return 0;
}
-/* { dg-final { scan-tree-dump-times "will be interchanged" 1 "graphite" } } */
+/* { dg-final { scan-tree-dump-times "will be interchanged" 1 "graphite" { xfail *-*-* } } } */
}
/* PRE destroys the perfect nest and we can't cope with that yet. */
-/* { dg-final { scan-tree-dump-times "will be interchanged" 1 "graphite" } } */
+/* { dg-final { scan-tree-dump-times "will be interchanged" 1 "graphite" { xfail *-*-* } } } */
}
/* PRE destroys the perfect nest and we can't cope with that yet. */
-/* { dg-final { scan-tree-dump-times "will be interchanged" 1 "graphite" } } */
+/* { dg-final { scan-tree-dump-times "will be interchanged" 1 "graphite" { xfail *-*-* } } } */
return 0;
}
-/* { dg-final { scan-tree-dump-times "will be interchanged" 1 "graphite" } } */
+/* { dg-final { scan-tree-dump-times "will be interchanged" 1 "graphite" { xfail *-*-* } } } */
}
/* PRE destroys the perfect nest and we can't cope with that yet. */
-/* { dg-final { scan-tree-dump-times "will be interchanged" 1 "graphite" } } */
+/* { dg-final { scan-tree-dump-times "will be interchanged" 1 "graphite" { xfail *-*-* } } } */
--- /dev/null
+/* { dg-require-effective-target size32plus } */
+
+#define DEBUG 0
+#if DEBUG
+#include <stdio.h>
+#endif
+
+#define MAX 100
+
+extern void abort ();
+
+int
+main (void)
+{
+ int i, j;
+ int sum = 0;
+ int A[MAX * MAX];
+ int B[MAX * MAX];
+
+ /* These loops should be loop blocked. */
+ for (i = 0; i < MAX; i++)
+ for (j = 0; j < MAX; j++)
+ {
+ A[i*MAX + j] = j;
+ B[i*MAX + j] = j;
+ }
+
+ /* These loops should be loop blocked. */
+ for (i = 0; i < MAX; i++)
+ for (j = 0; j < MAX; j++)
+ A[i*MAX + j] += B[j*MAX + i];
+
+ /* These loops should be loop blocked. */
+ for (i = 0; i < MAX; i++)
+ for (j = 0; j < MAX; j++)
+ sum += A[i*MAX + j];
+
+#if DEBUG
+ fprintf (stderr, "sum = %d \n", sum);
+#endif
+
+ if (sum != 990000)
+ abort ();
+
+ return 0;
+}
+
+/* { dg-final { scan-tree-dump-times "will be loop blocked" 3 "graphite" } } */
--- /dev/null
+/* { dg-require-effective-target size32plus } */
+
+#define DEBUG 0
+#if DEBUG
+#include <stdio.h>
+#endif
+
+#define N 200
+
+int A[N][N], B[N][N], C[N][N];
+
+static int __attribute__((noinline))
+matmult (void)
+{
+ int i, j, k;
+
+ /* Loops J and K should be interchanged. */
+ for (i = 0; i < N; i++)
+ for (j = 0; j < N; j++)
+ {
+ A[i][j] = 0;
+ for (k = 0; k < N; k++)
+ A[i][j] += B[i][k] * C[k][j];
+ }
+
+ return A[0][0] + A[N-1][N-1];
+}
+
+extern void abort ();
+
+int
+main (void)
+{
+ int i, j, res;
+
+ for (i = 0; i < N; i++)
+ for (j = 0; j < N; j++)
+ {
+ A[i][j] = 0;
+ B[i][j] = i - j;
+ C[i][j] = i + j;
+ }
+
+ res = matmult ();
+
+#if DEBUG
+ fprintf (stderr, "res = %d \n", res);
+#endif
+
+ if (res != 2626800)
+ abort ();
+
+ return 0;
+}
+
+/* { dg-final { scan-tree-dump-times "will be interchanged" 1 "graphite" } } */
--- /dev/null
+/* { dg-require-effective-target size32plus } */
+
+#define DEBUG 0
+#if DEBUG
+#include <stdio.h>
+#endif
+
+#define N 200
+
+int A[N][N], B[N][N], C[N][N];
+
+static void __attribute__((noinline))
+matmult (void)
+{
+ int i, j, k;
+
+ for (i = 0; i < N; i++)
+ for (j = 0; j < N; j++)
+ A[i][j] = 0;
+
+ /* Loops J and K should be interchanged. */
+ for (i = 0; i < N; i++)
+ for (j = 0; j < N; j++)
+ for (k = 0; k < N; k++)
+ A[i][j] += B[i][k] * C[k][j];
+}
+
+extern void abort ();
+
+int
+main (void)
+{
+ int i, j, res = 0;
+
+ for (i = 0; i < N; i++)
+ for (j = 0; j < N; j++)
+ {
+ B[i][j] = j;
+ C[i][j] = i;
+ }
+
+ matmult ();
+
+ for (i = 0; i < N; i++)
+ res += A[i][i];
+
+#if DEBUG
+ fprintf (stderr, "res = %d \n", res);
+#endif
+
+ if (res != 529340000)
+ abort ();
+
+ return 0;
+}
+
+/* PRE destroys the perfect nest and we can't cope with that yet. */
+/* { dg-final { scan-tree-dump-times "will be interchanged" 1 "graphite" } } */
--- /dev/null
+/* { dg-require-effective-target size32plus } */
+
+#define DEBUG 0
+#if DEBUG
+#include <stdio.h>
+#endif
+
+#define NMAX 2000
+
+static int x[NMAX], a[NMAX][NMAX];
+
+static int __attribute__((noinline))
+mvt (long N)
+{
+ int i,j;
+
+ /* These two loops should be interchanged. */
+ for (i = 0; i < N; i++)
+ for (j = 0; j < N; j++)
+ x[i] += a[j][i];
+
+ return x[1];
+}
+
+extern void abort ();
+
+int
+main (void)
+{
+ int i, j, res;
+
+ for (i = 0; i < NMAX; i++)
+ for (j = 0; j < NMAX; j++)
+ a[i][j] = j;
+
+ for (i = 0; i < NMAX; i++)
+ x[i] = i;
+
+ res = mvt (NMAX);
+
+#if DEBUG
+ fprintf (stderr, "res = %d \n", res);
+#endif
+
+ if (res != 2001)
+ abort ();
+
+ return 0;
+}
+
+/* PRE destroys the perfect nest and we can't cope with that yet. */
+/* { dg-final { scan-tree-dump-times "will be interchanged" 1 "graphite" } } */
+
--- /dev/null
+/* { dg-require-effective-target size32plus } */
+
+#define DEBUG 0
+#if DEBUG
+#include <stdio.h>
+#endif
+
+#define N 111
+#define M 111
+
+static int __attribute__((noinline))
+foo (int *x)
+{
+ int i, j;
+ int sum = 0;
+
+ for (j = 0; j < M; ++j)
+ for (i = 0; i < N; ++i)
+ sum += x[M * i + j];
+
+ return sum;
+}
+
+extern void abort ();
+
+int
+main (void)
+{
+ int A[N*M];
+ int i, res;
+
+ for (i = 0; i < N*M; i++)
+ A[i] = 2;
+
+ res = foo (A);
+
+#if DEBUG
+ fprintf (stderr, "res = %d \n", res);
+#endif
+
+ if (res != 24642)
+ abort ();
+
+ return 0;
+}
+
+/* { dg-final { scan-tree-dump-times "will be interchanged" 1 "graphite" } } */
--- /dev/null
+/* { dg-require-effective-target size32plus } */
+
+#define DEBUG 0
+#if DEBUG
+#include <stdio.h>
+#endif
+
+#define NMAX 2000
+
+static int x1[NMAX], x2[NMAX], a[NMAX][NMAX], y1[NMAX], y2[NMAX];
+
+static int __attribute__((noinline))
+mvt (long N)
+{
+
+ int i,j;
+
+ for (i = 0; i < N; i++)
+ for (j = 0; j < N; j++)
+ x1[i] = x1[i] + a[i][j] * y1[j];
+
+ /* These two loops should be interchanged. */
+ for (i = 0; i < N; i++)
+ for (j = 0; j < N; j++)
+ x2[i] = x2[i] + a[j][i] * y2[j];
+
+ return x1[0] + x2[0];
+}
+
+extern void abort ();
+
+int
+main (void)
+{
+ int i, j, res;
+
+ for (i = 0; i < NMAX; i++)
+ for (j = 0; j < NMAX; j++)
+ a[i][j] = i + j;
+
+ for (i = 0; i < NMAX; i++)
+ {
+ x1[i] = 0;
+ x2[i] = 2*i;
+ y1[i] = 100 - i;
+ y2[i] = i;
+ }
+
+ res = mvt (NMAX);
+
+#if DEBUG
+ fprintf (stderr, "res = %d \n", res);
+#endif
+
+ if (res != 199900000)
+ abort ();
+
+ return 0;
+}
+
+/* PRE destroys the perfect nest and we can't cope with that yet. */
+/* { dg-final { scan-tree-dump-times "will be interchanged" 1 "graphite" } } */
+