[PATCH 08/15] arm: [MVE intrinsics] add vcvt_f16_f32 and vcvt_f32_f16 shapes

[Christophe Lyon]

This patch adds the vcvt_f16_f32 and vcvt_f32_f16 shapes descriptions.

2024-07-11  Christophe Lyon  <christophe.l...@linaro.org>

        gcc/
        * config/arm/arm-mve-builtins-shapes.cc (vcvt_f16_f32)
        (vcvt_f32_f16): New.
        * config/arm/arm-mve-builtins-shapes.h (vcvt_f16_f32)
        (vcvt_f32_f16): New.
---
 gcc/config/arm/arm-mve-builtins-shapes.cc | 35 +++++++++++++++++++++++
 gcc/config/arm/arm-mve-builtins-shapes.h  |  2 ++
 2 files changed, 37 insertions(+)

diff --git a/gcc/config/arm/arm-mve-builtins-shapes.cc 
b/gcc/config/arm/arm-mve-builtins-shapes.cc
index e1c5dd2c0f2..c311f255e1b 100644
--- a/gcc/config/arm/arm-mve-builtins-shapes.cc
+++ b/gcc/config/arm/arm-mve-builtins-shapes.cc
@@ -2081,6 +2081,41 @@ struct vcvt_def : public overloaded_base<0>
 };
 SHAPE (vcvt)
 
+/* float16x8_t foo_f16_f32(float16x8_t, float32x4_t)
+
+   Example: vcvttq_f16_f32.
+   float16x8_t [__arm_]vcvttq_f16_f32(float16x8_t a, float32x4_t b)
+   float16x8_t [__arm_]vcvttq_m_f16_f32(float16x8_t a, float32x4_t b, 
mve_pred16_t p)
+*/
+struct vcvt_f16_f32_def : public nonoverloaded_base
+{
+  void
+  build (function_builder &b, const function_group_info &group,
+        bool preserve_user_namespace) const override
+  {
+    build_all (b, "v0,v0,v1", group, MODE_none, preserve_user_namespace);
+  }
+};
+SHAPE (vcvt_f16_f32)
+
+/* float32x4_t foo_f32_f16(float16x8_t)
+
+   Example: vcvttq_f32_f16.
+   float32x4_t [__arm_]vcvttq_f32_f16(float16x8_t a)
+   float32x4_t [__arm_]vcvttq_m_f32_f16(float32x4_t inactive, float16x8_t a, 
mve_pred16_t p)
+   float32x4_t [__arm_]vcvttq_x_f32_f16(float16x8_t a, mve_pred16_t p)
+*/
+struct vcvt_f32_f16_def : public nonoverloaded_base
+{
+  void
+  build (function_builder &b, const function_group_info &group,
+        bool preserve_user_namespace) const override
+  {
+    build_all (b, "v0,v1", group, MODE_none, preserve_user_namespace);
+  }
+};
+SHAPE (vcvt_f32_f16)
+
 /* <T0>_t vfoo[_t0](<T0>_t, <T0>_t, mve_pred16_t)
 
    i.e. a version of the standard ternary shape in which
diff --git a/gcc/config/arm/arm-mve-builtins-shapes.h 
b/gcc/config/arm/arm-mve-builtins-shapes.h
index 9a112ceeb29..50157b57571 100644
--- a/gcc/config/arm/arm-mve-builtins-shapes.h
+++ b/gcc/config/arm/arm-mve-builtins-shapes.h
@@ -78,6 +78,8 @@ namespace arm_mve
     extern const function_shape *const unary_widen;
     extern const function_shape *const unary_widen_acc;
     extern const function_shape *const vcvt;
+    extern const function_shape *const vcvt_f16_f32;
+    extern const function_shape *const vcvt_f32_f16;
     extern const function_shape *const vpsel;
 
   } /* end namespace arm_mve::shapes */
-- 
2.34.1