arm: [MVE intrinsics] add vshlc shape

This patch adds the vshlc shape description.

2024-08-28  Christophe Lyon  <chrirstophe.lyon@linaro.org>

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

diff --git a/gcc/config/arm/arm-mve-builtins-shapes.cc b/gcc/config/arm/arm-mve-builtins-shapes.cc
index 510f15ae73af5b6044c85156f6ac2fe76a5394d3..ee6b5b0a7b14c0f66cff9212f4a0d26ab4836647 100644 (file)
--- a/gcc/config/arm/arm-mve-builtins-shapes.cc
+++ b/gcc/config/arm/arm-mve-builtins-shapes.cc
@@ -2418,6 +2418,50 @@ struct vpsel_def : public overloaded_base<0>
 };
 SHAPE (vpsel)
 
+/* <T0>_t vfoo[_t0](T0, uint32_t* , const int)
+
+   Check that 'imm' is in [1..32].
+
+   Example: vshlcq.
+   uint8x16_t [__arm_]vshlcq[_u8](uint8x16_t a, uint32_t *b, const int imm)
+   uint8x16_t [__arm_]vshlcq_m[_u8](uint8x16_t a, uint32_t *b, const int imm, mve_pred16_t p)  */
+struct vshlc_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, "v0,v0,as,su64", 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 (3, i, nargs)
+       || (type = r.infer_vector_type (0)) == NUM_TYPE_SUFFIXES)
+      return error_mark_node;
+
+    /* Check that arg #2 is a pointer.  */
+    if (!POINTER_TYPE_P (r.get_argument_type (i - 1)))
+      return error_mark_node;
+
+    if (!r.require_integer_immediate (i))
+      return error_mark_node;
+
+    return r.resolve_to (r.mode_suffix_id, type);
+  }
+
+  bool
+  check (function_checker &c) const override
+  {
+    return c.require_immediate_range (2, 1, 32);
+  }
+};
+SHAPE (vshlc)
+
 } /* end namespace arm_mve */
 
 #undef SHAPE

diff --git a/gcc/config/arm/arm-mve-builtins-shapes.h b/gcc/config/arm/arm-mve-builtins-shapes.h
index b3d08ab38669801fec13fc98237438a29eb3c63c..d73c74c8ad74daf27eb9bb4e3ff71ab48eff1baf 100644 (file)
--- a/gcc/config/arm/arm-mve-builtins-shapes.h
+++ b/gcc/config/arm/arm-mve-builtins-shapes.h
@@ -85,6 +85,7 @@ namespace arm_mve
     extern const function_shape *const viddup;
     extern const function_shape *const vidwdup;
     extern const function_shape *const vpsel;
+    extern const function_shape *const vshlc;
 
   } /* end namespace arm_mve::shapes */
 } /* end namespace arm_mve */