[PATCH 6/6] Simplify aarch64_builtin_vectorized_function

[Richard Sandiford]

After the previous patches it's no longer necessary for
TARGET_BUILTIN_VECTORIZED_FUNCTION to return functions that
map to the vector optab of the original operation.  We'll use
a vector form of the internal function instead.


gcc/
        * config/aarch64/aarch64-builtins.c
        (aarch64_builtin_vectorized_function): Remove entries that map
        directly to optabs.

diff --git a/gcc/config/aarch64/aarch64-builtins.c 
b/gcc/config/aarch64/aarch64-builtins.c
index c4cda4f..2a560a9 100644
--- a/gcc/config/aarch64/aarch64-builtins.c
+++ b/gcc/config/aarch64/aarch64-builtins.c
@@ -1288,40 +1288,6 @@ aarch64_builtin_vectorized_function (unsigned int fn, 
tree type_out,
     {
 #undef AARCH64_CHECK_BUILTIN_MODE
 #define AARCH64_CHECK_BUILTIN_MODE(C, N) \
-  (out_mode == N##Fmode && out_n == C \
-   && in_mode == N##Fmode && in_n == C)
-    CASE_CFN_FLOOR:
-      return AARCH64_FIND_FRINT_VARIANT (floor);
-    CASE_CFN_CEIL:
-      return AARCH64_FIND_FRINT_VARIANT (ceil);
-    CASE_CFN_TRUNC:
-      return AARCH64_FIND_FRINT_VARIANT (btrunc);
-    CASE_CFN_ROUND:
-      return AARCH64_FIND_FRINT_VARIANT (round);
-    CASE_CFN_NEARBYINT:
-      return AARCH64_FIND_FRINT_VARIANT (nearbyint);
-    CASE_CFN_SQRT:
-      return AARCH64_FIND_FRINT_VARIANT (sqrt);
-#undef AARCH64_CHECK_BUILTIN_MODE
-#define AARCH64_CHECK_BUILTIN_MODE(C, N) \
-  (out_mode == SImode && out_n == C \
-   && in_mode == N##Imode && in_n == C)
-    CASE_CFN_CLZ:
-      {
-       if (AARCH64_CHECK_BUILTIN_MODE (4, S))
-         return aarch64_builtin_decls[AARCH64_SIMD_BUILTIN_UNOP_clzv4si];
-       return NULL_TREE;
-      }
-    CASE_CFN_CTZ:
-      {
-       if (AARCH64_CHECK_BUILTIN_MODE (2, S))
-         return aarch64_builtin_decls[AARCH64_SIMD_BUILTIN_UNOP_ctzv2si];
-       else if (AARCH64_CHECK_BUILTIN_MODE (4, S))
-         return aarch64_builtin_decls[AARCH64_SIMD_BUILTIN_UNOP_ctzv4si];
-       return NULL_TREE;
-      }
-#undef AARCH64_CHECK_BUILTIN_MODE
-#define AARCH64_CHECK_BUILTIN_MODE(C, N) \
   (out_mode == N##Imode && out_n == C \
    && in_mode == N##Fmode && in_n == C)
     CASE_CFN_IFLOOR: