arm: [MVE intrinsics] improve comment for orrq shape

Add a comment about the lack of "n" forms for floating-point nor 8-bit
integers, to make it clearer why we use build_16_32 for MODE_n.

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

	gcc/
	* config/arm/arm-mve-builtins-shapes.cc (binary_orrq_def): Improve comment.

diff --git a/gcc/config/arm/arm-mve-builtins-shapes.cc b/gcc/config/arm/arm-mve-builtins-shapes.cc
index ba20c6a8f734a5e4c436fa75110e1be571973e4c..e01939469e3a572ab87984d5b7bb0f74a41dcfc1 100644 (file)
--- a/gcc/config/arm/arm-mve-builtins-shapes.cc
+++ b/gcc/config/arm/arm-mve-builtins-shapes.cc
@@ -865,7 +865,12 @@ SHAPE (binary_opt_n)
    int16x8_t [__arm_]vorrq_m[_s16](int16x8_t inactive, int16x8_t a, int16x8_t b, mve_pred16_t p)
    int16x8_t [__arm_]vorrq_x[_s16](int16x8_t a, int16x8_t b, mve_pred16_t p)
    int16x8_t [__arm_]vorrq[_n_s16](int16x8_t a, const int16_t imm)
-   int16x8_t [__arm_]vorrq_m_n[_s16](int16x8_t a, const int16_t imm, mve_pred16_t p)  */
+   int16x8_t [__arm_]vorrq_m_n[_s16](int16x8_t a, const int16_t imm, mve_pred16_t p)
+
+   No "_n" forms for floating-point, nor 8-bit integers:
+   float16x8_t [__arm_]vorrq[_f16](float16x8_t a, float16x8_t b)
+   float16x8_t [__arm_]vorrq_m[_f16](float16x8_t inactive, float16x8_t a, float16x8_t b, mve_pred16_t p)
+   float16x8_t [__arm_]vorrq_x[_f16](float16x8_t a, float16x8_t b, mve_pred16_t p)  */
 struct binary_orrq_def : public overloaded_base<0>
 {
   bool