[Bug target/111867] aarch64: Wrong code for bf16 literal load when the arch support +fp16

[pinskia at gcc dot gnu.org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=111867

--- Comment #2 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
Maybe something like:
diff --git a/gcc/config/aarch64/aarch64.cc b/gcc/config/aarch64/aarch64.cc
index 62b1ae0652f..db2dde84329 100644
--- a/gcc/config/aarch64/aarch64.cc
+++ b/gcc/config/aarch64/aarch64.cc
@@ -23788,7 +23788,8 @@ aarch64_float_const_representable_p (rtx x)
     return false;

   if (GET_MODE (x) == VOIDmode
-      || (GET_MODE (x) == HFmode && !TARGET_FP_F16INST))
+      || (GET_MODE (x) == HFmode && !TARGET_FP_F16INST)
+      || (GET_MODE (x) == BFmode))
     return false;

   r = *CONST_DOUBLE_REAL_VALUE (x);