[AArch64] Don't handle bswap in aarch64_builtin_vectorized_function

aarch64_builtin_vectorized_function no longer needs to handle bswap*
since we have internal functions and optabs for all supported cases.

2019-11-08  Richard Sandiford  <richard.sandiford@arm.com>

gcc/
	* config/aarch64/aarch64-builtins.c
	(aarch64_builtin_vectorized_function): Remove bswap handling.

From-SVN: r277951

gcc/ChangeLog

 2019-11-08  Richard Sandiford  <richard.sandiford@arm.com>
 
+	* config/aarch64/aarch64-builtins.c
+	(aarch64_builtin_vectorized_function): Remove bswap handling.
+
+2019-11-08  Richard Sandiford  <richard.sandiford@arm.com>
+
 	* tree-core.h (tree_type_common::indivisible_p): New member variable.
 	* tree.h (TYPE_INDIVISIBLE_P): New macro.
 	* config/aarch64/aarch64-sve-builtins.cc (register_builtin_types):

gcc/config/aarch64/aarch64-builtins.c

@@ -1918,29 +1918,6 @@ aarch64_builtin_vectorized_function (unsigned int fn, tree type_out,
 
 	return aarch64_builtin_decls[builtin];
       }
-    case CFN_BUILT_IN_BSWAP16:
-#undef AARCH64_CHECK_BUILTIN_MODE
-#define AARCH64_CHECK_BUILTIN_MODE(C, N) \
-  (out_mode == N##Imode && out_n == C \
-   && in_mode == N##Imode && in_n == C)
-      if (AARCH64_CHECK_BUILTIN_MODE (4, H))
-	return aarch64_builtin_decls[AARCH64_SIMD_BUILTIN_UNOPU_bswapv4hi];
-      else if (AARCH64_CHECK_BUILTIN_MODE (8, H))
-	return aarch64_builtin_decls[AARCH64_SIMD_BUILTIN_UNOPU_bswapv8hi];
-      else
-	return NULL_TREE;
-    case CFN_BUILT_IN_BSWAP32:
-      if (AARCH64_CHECK_BUILTIN_MODE (2, S))
-	return aarch64_builtin_decls[AARCH64_SIMD_BUILTIN_UNOPU_bswapv2si];
-      else if (AARCH64_CHECK_BUILTIN_MODE (4, S))
-	return aarch64_builtin_decls[AARCH64_SIMD_BUILTIN_UNOPU_bswapv4si];
-      else
-	return NULL_TREE;
-    case CFN_BUILT_IN_BSWAP64:
-      if (AARCH64_CHECK_BUILTIN_MODE (2, D))
-	return aarch64_builtin_decls[AARCH64_SIMD_BUILTIN_UNOPU_bswapv2di];
-      else
-	return NULL_TREE;
     default:
       return NULL_TREE;
     }