gcc/

[pf3gnuchains/gcc-fork.git] / gcc / config / arm / predicates.md

diff --git a/gcc/config/arm/predicates.md b/gcc/config/arm/predicates.md
index 06d8371..b8d154d 100644 (file)
--- a/gcc/config/arm/predicates.md
+++ b/gcc/config/arm/predicates.md
@@ -470,3 +470,43 @@
        (match_test "((unsigned HOST_WIDE_INT) INTVAL (op)) < 64")))
 
 
+;; Neon predicates
+
+(define_predicate "const_multiple_of_8_operand"
+  (match_code "const_int")
+{
+  unsigned HOST_WIDE_INT val = INTVAL (op);
+  return (val & 7) == 0;
+})
+
+(define_predicate "imm_for_neon_mov_operand"
+  (match_code "const_vector")
+{
+  return neon_immediate_valid_for_move (op, mode, NULL, NULL);
+})
+
+(define_predicate "imm_for_neon_logic_operand"
+  (match_code "const_vector")
+{
+  return neon_immediate_valid_for_logic (op, mode, 0, NULL, NULL);
+})
+
+(define_predicate "imm_for_neon_inv_logic_operand"
+  (match_code "const_vector")
+{
+  return neon_immediate_valid_for_logic (op, mode, 1, NULL, NULL);
+})
+
+(define_predicate "neon_logic_op2"
+  (ior (match_operand 0 "imm_for_neon_logic_operand")
+       (match_operand 0 "s_register_operand")))
+
+(define_predicate "neon_inv_logic_op2"
+  (ior (match_operand 0 "imm_for_neon_inv_logic_operand")
+       (match_operand 0 "s_register_operand")))
+
+;; TODO: We could check lane numbers more precisely based on the mode.
+(define_predicate "neon_lane_number"
+  (and (match_code "const_int")
+       (match_test "INTVAL (op) >= 0 && INTVAL (op) <= 7")))
+