[PATCH 13/20] arm: [MVE intrinsics] add unary_int32_acc shape

[Christophe Lyon via Gcc-patches]

This patch adds the unary_int32_acc shape description.

2022-10-25  Christophe Lyon  <christophe.l...@arm.com>

        gcc/
        * config/arm/arm-mve-builtins-shapes.cc (unary_int32_acc): New.
        * config/arm/arm-mve-builtins-shapes.h (unary_int32_acc): New.
---
 gcc/config/arm/arm-mve-builtins-shapes.cc | 34 +++++++++++++++++++++++
 gcc/config/arm/arm-mve-builtins-shapes.h  |  1 +
 2 files changed, 35 insertions(+)

diff --git a/gcc/config/arm/arm-mve-builtins-shapes.cc 
b/gcc/config/arm/arm-mve-builtins-shapes.cc
index 0bd91b24147..bff1c3e843b 100644
--- a/gcc/config/arm/arm-mve-builtins-shapes.cc
+++ b/gcc/config/arm/arm-mve-builtins-shapes.cc
@@ -1121,6 +1121,40 @@ struct unary_int32_def : public overloaded_base<0>
 };
 SHAPE (unary_int32)
 
+/* [u]int32_t vfoo[_<t0>]([u]int32_t, <T0>_t)
+
+   i.e. a version of "unary" which accumulates into scalar of type
+   int32_t or uint32_t depending on the signedness of the elements of
+   of input vector.
+
+   Example: vaddvaq.
+   int32_t [__arm_]vaddvaq[_s16](int32_t a, int16x8_t b)
+   int32_t [__arm_]vaddvaq_p[_s16](int32_t a, int16x8_t b, mve_pred16_t p)  */
+struct unary_int32_acc_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, "sx32,sx32,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)
+       || !r.require_integer_immediate (0)
+       || (type = r.infer_vector_type (1)) == NUM_TYPE_SUFFIXES)
+      return error_mark_node;
+
+    return r.resolve_to (r.mode_suffix_id, type);
+  }
+};
+SHAPE (unary_int32_acc)
+
 /* <T0>_t vfoo[_n]_t0(<S0>_t)
 
    Example: vdupq.
diff --git a/gcc/config/arm/arm-mve-builtins-shapes.h 
b/gcc/config/arm/arm-mve-builtins-shapes.h
index f422550559e..fc1bacbd4da 100644
--- a/gcc/config/arm/arm-mve-builtins-shapes.h
+++ b/gcc/config/arm/arm-mve-builtins-shapes.h
@@ -55,6 +55,7 @@ namespace arm_mve
     extern const function_shape *const unary;
     extern const function_shape *const unary_convert;
     extern const function_shape *const unary_int32;
+    extern const function_shape *const unary_int32_acc;
     extern const function_shape *const unary_n;
 
   } /* end namespace arm_mve::shapes */
-- 
2.34.1