arm: [MVE intrinsics] add cmp shape

This patch adds the cmp shape description.

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

	gcc/
	* config/arm/arm-mve-builtins-shapes.cc	(cmp): New.
	* config/arm/arm-mve-builtins-shapes.h (cmp): New.

diff --git a/gcc/config/arm/arm-mve-builtins-shapes.cc b/gcc/config/arm/arm-mve-builtins-shapes.cc
index c9eac80d1e30ebed69ea1095ae322a4a6fe6879e..ea0112b3e9916b9c7ccc872d3d5622b09ed84784 100644 (file)
--- a/gcc/config/arm/arm-mve-builtins-shapes.cc
+++ b/gcc/config/arm/arm-mve-builtins-shapes.cc
@@ -974,6 +974,33 @@ struct binary_widen_n_def : public overloaded_base<0>
 };
 SHAPE (binary_widen_n)
 
+/* Shape for comparison operations that operate on
+   uniform types.
+
+   Examples: vcmpq.
+   mve_pred16_t [__arm_]vcmpeqq[_s16](int16x8_t a, int16x8_t b)
+   mve_pred16_t [__arm_]vcmpeqq[_n_s16](int16x8_t a, int16_t b)
+   mve_pred16_t [__arm_]vcmpeqq_m[_s16](int16x8_t a, int16x8_t b, mve_pred16_t p)
+   mve_pred16_t [__arm_]vcmpeqq_m[_n_s16](int16x8_t a, int16_t b, mve_pred16_t p)  */
+struct cmp_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, "p,v0,v0", group, MODE_none, preserve_user_namespace);
+    build_all (b, "p,v0,s0", group, MODE_n, preserve_user_namespace);
+  }
+
+  tree
+  resolve (function_resolver &r) const override
+  {
+    return r.resolve_uniform_opt_n (2);
+  }
+};
+SHAPE (cmp)
+
 /* <T0>xN_t vfoo[_t0](uint64_t, uint64_t)
 
    where there are N arguments in total.

diff --git a/gcc/config/arm/arm-mve-builtins-shapes.h b/gcc/config/arm/arm-mve-builtins-shapes.h
index 7f582d7375a135b3c687dc3ddd05a309c72ec6b9..59c4dc39c395e28ba7151f174845b94b5ee74b5d 100644 (file)
--- a/gcc/config/arm/arm-mve-builtins-shapes.h
+++ b/gcc/config/arm/arm-mve-builtins-shapes.h
@@ -49,6 +49,7 @@ namespace arm_mve
     extern const function_shape *const binary_rshift_narrow;
     extern const function_shape *const binary_rshift_narrow_unsigned;
     extern const function_shape *const binary_widen_n;
+    extern const function_shape *const cmp;
     extern const function_shape *const create;
     extern const function_shape *const inherent;
     extern const function_shape *const unary;