[PATCH 05/10] arm: [MVE intrinsics] add binary_move_narrow and binary_move_narrow_unsigned shapes

[Christophe Lyon via Gcc-patches]

This patch adds the binary_move_narrow and binary_move_narrow_unsigned
shapes descriptions.

2022-09-08  Christophe Lyon  <christophe.l...@arm.com>

        gcc/
        * config/arm/arm-mve-builtins-shapes.cc (binary_move_narrow): New.
        (binary_move_narrow_unsigned): New.
        * config/arm/arm-mve-builtins-shapes.h (binary_move_narrow): New.
        (binary_move_narrow_unsigned): New.
---
 gcc/config/arm/arm-mve-builtins-shapes.cc | 73 +++++++++++++++++++++++
 gcc/config/arm/arm-mve-builtins-shapes.h  |  2 +
 2 files changed, 75 insertions(+)

diff --git a/gcc/config/arm/arm-mve-builtins-shapes.cc 
b/gcc/config/arm/arm-mve-builtins-shapes.cc
index 7d39cf79aec..e26604510a2 100644
--- a/gcc/config/arm/arm-mve-builtins-shapes.cc
+++ b/gcc/config/arm/arm-mve-builtins-shapes.cc
@@ -401,6 +401,79 @@ struct binary_rshift_def : public overloaded_base<0>
 };
 SHAPE (binary_rshift)
 
+/* <T0:half>_t vfoo[_t0](<T0:half>_t, <T0>_t)
+
+   Example: vmovnbq.
+   int8x16_t [__arm_]vmovnbq[_s16](int8x16_t a, int16x8_t b)
+   int8x16_t [__arm_]vmovnbq_m[_s16](int8x16_t a, int16x8_t b, mve_pred16_t p) 
 */
+struct binary_move_narrow_def : public overloaded_base<0>
+{
+  void
+  build (function_builder &b, const function_group_info &group,
+        bool preserve_user_namespace) const override
+  {
+    b.add_overloaded_functions (group, MODE_none, preserve_user_namespace);
+    build_all (b, "vh0,vh0,v0", group, MODE_none, preserve_user_namespace);
+  }
+
+  tree
+  resolve (function_resolver &r) const override
+  {
+    unsigned int i, nargs;
+    type_suffix_index type;
+    if (!r.check_gp_argument (2, i, nargs)
+       || (type = r.infer_vector_type (1)) == NUM_TYPE_SUFFIXES)
+      return error_mark_node;
+
+    type_suffix_index narrow_suffix
+      = find_type_suffix (type_suffixes[type].tclass,
+                         type_suffixes[type].element_bits / 2);
+
+
+    if (!r.require_matching_vector_type (0, narrow_suffix))
+      return error_mark_node;
+
+    return r.resolve_to (r.mode_suffix_id, type);
+  }
+};
+SHAPE (binary_move_narrow)
+
+/* <uT0:half>_t vfoo[_t0](<uT0:half>_t, <T0>_t)
+
+   Example: vqmovunbq.
+   uint8x16_t [__arm_]vqmovunbq[_s16](uint8x16_t a, int16x8_t b)
+   uint8x16_t [__arm_]vqmovunbq_m[_s16](uint8x16_t a, int16x8_t b, 
mve_pred16_t p)  */
+struct binary_move_narrow_unsigned_def : public overloaded_base<0>
+{
+  void
+  build (function_builder &b, const function_group_info &group,
+        bool preserve_user_namespace) const override
+  {
+    b.add_overloaded_functions (group, MODE_none, preserve_user_namespace);
+    build_all (b, "vhu0,vhu0,v0", group, MODE_none, preserve_user_namespace);
+  }
+
+  tree
+  resolve (function_resolver &r) const override
+  {
+    unsigned int i, nargs;
+    type_suffix_index type;
+    if (!r.check_gp_argument (2, i, nargs)
+       || (type = r.infer_vector_type (1)) == NUM_TYPE_SUFFIXES)
+      return error_mark_node;
+
+    type_suffix_index narrow_suffix
+      = find_type_suffix (TYPE_unsigned,
+                         type_suffixes[type].element_bits / 2);
+
+    if (!r.require_matching_vector_type (0, narrow_suffix))
+      return error_mark_node;
+
+    return r.resolve_to (r.mode_suffix_id, type);
+  }
+};
+SHAPE (binary_move_narrow_unsigned)
+
 /* <T0>_t vfoo[_t0](<T0>_t, <T0>_t)
    <T0>_t vfoo[_n_t0](<T0>_t, <S0>_t)
 
diff --git a/gcc/config/arm/arm-mve-builtins-shapes.h 
b/gcc/config/arm/arm-mve-builtins-shapes.h
index bd7e11b89f6..825e1bb2a3c 100644
--- a/gcc/config/arm/arm-mve-builtins-shapes.h
+++ b/gcc/config/arm/arm-mve-builtins-shapes.h
@@ -37,6 +37,8 @@ namespace arm_mve
     extern const function_shape *const binary;
     extern const function_shape *const binary_lshift;
     extern const function_shape *const binary_lshift_r;
+    extern const function_shape *const binary_move_narrow;
+    extern const function_shape *const binary_move_narrow_unsigned;
     extern const function_shape *const binary_opt_n;
     extern const function_shape *const binary_orrq;
     extern const function_shape *const binary_round_lshift;
-- 
2.34.1