2019-07-24 Prathamesh Kulkarni <prathamesh.kulkarni@linaro.org>
PR middle-end/91166
* match.pd (vec_perm_expr(v, v, mask) -> v): New pattern.
(define_predicates): Add entry for uniform_vector_p.
(vec_same_elem_p): New match pattern.
testsuite/
* gcc.target/aarch64/sve/pr91166.c: New test.
From-SVN: r273758
+2019-07-24 Prathamesh Kulkarni <prathamesh.kulkarni@linaro.org>
+
+ PR middle-end/91166
+ * match.pd (vec_perm_expr(v, v, mask) -> v): New pattern.
+ (define_predicates): Add entry for uniform_vector_p.
+ (vec_same_elem_p): New match pattern.
+
2019-07-24 Iain Sandoe <iain@sandoe.co.uk>
PR bootstrap/87030
integer_valued_real_p
integer_pow2p
uniform_integer_cst_p
- HONOR_NANS)
+ HONOR_NANS
+ uniform_vector_p)
/* Operator lists. */
(define_operator_list tcc_comparison
{ bitsize_int (at * tree_to_uhwi (TYPE_SIZE (TREE_TYPE (type)))); })
(if (changed)
(vec_perm { op0; } { op1; } { op2; }))))))))))
+
+/* VEC_PERM_EXPR (v, v, mask) -> v where v contains same element. */
+
+(match vec_same_elem_p
+ @0
+ (if (uniform_vector_p (@0))))
+
+(match vec_same_elem_p
+ (vec_duplicate @0))
+
+(simplify
+ (vec_perm vec_same_elem_p@0 @0 @1)
+ @0)
+2019-07-24 Prathamesh Kulkarni <prathamesh.kulkarni@linaro.org>
+
+ PR middle-end/91166
+ * gcc.target/aarch64/sve/pr91166.c: New test.
+
2019-07-23 Steven G. Kargl <kargl@gcc.gnu.org>
PR fortran/54072
--- /dev/null
+/* { dg-do compile } */
+/* { dg-options "-O3 -march=armv8.2-a+sve -fdump-tree-optimized" } */
+
+void
+f1 (double x[][4])
+{
+ for (int i = 0; i < 4; ++i)
+ for (int j = 0; j < 4; ++j)
+ x[i][j] = 0;
+}
+
+void
+f2 (double x[][4], double y)
+{
+ for (int i = 0; i < 4; ++i)
+ for (int j = 0; j < 4; ++j)
+ x[i][j] = y;
+}
+
+/* { dg-final { scan-tree-dump-not "VEC_PERM_EXPR" "optimized"} } */