[PATCH 3/3] aarch64: Add attributes to the data intrinsics.

[Andrew Pinski]

All of the data intrinsics don't read/write memory nor they are fp related.
So adding the attributes will improve the code generation slightly.

Built and tested for aarch64-linux-gnu

gcc/ChangeLog:

        * config/aarch64/aarch64-builtins.cc (aarch64_init_data_intrinsics): 
Call
        aarch64_get_attributes and update calls to aarch64_general_add_builtin.

Signed-off-by: Andrew Pinski <quic_apin...@quicinc.com>
---
 gcc/config/aarch64/aarch64-builtins.cc | 14 ++++++++------
 1 file changed, 8 insertions(+), 6 deletions(-)

diff --git a/gcc/config/aarch64/aarch64-builtins.cc 
b/gcc/config/aarch64/aarch64-builtins.cc
index 9705f2de090..bc1719adbaa 100644
--- a/gcc/config/aarch64/aarch64-builtins.cc
+++ b/gcc/config/aarch64/aarch64-builtins.cc
@@ -2162,6 +2162,8 @@ aarch64_init_ls64_builtins (void)
 static void
 aarch64_init_data_intrinsics (void)
 {
+  /* These intrinsics are not fp nor they read/write memory. */
+  tree attrs = aarch64_get_attributes (FLAG_NONE, SImode);
   tree uint32_fntype = build_function_type_list (uint32_type_node,
                                                 uint32_type_node, NULL_TREE);
   tree ulong_fntype = build_function_type_list (long_unsigned_type_node,
@@ -2171,22 +2173,22 @@ aarch64_init_data_intrinsics (void)
                                                 uint64_type_node, NULL_TREE);
   aarch64_builtin_decls[AARCH64_REV16]
     = aarch64_general_add_builtin ("__builtin_aarch64_rev16", uint32_fntype,
-                                  AARCH64_REV16);
+                                  AARCH64_REV16, attrs);
   aarch64_builtin_decls[AARCH64_REV16L]
     = aarch64_general_add_builtin ("__builtin_aarch64_rev16l", ulong_fntype,
-                                  AARCH64_REV16L);
+                                  AARCH64_REV16L, attrs);
   aarch64_builtin_decls[AARCH64_REV16LL]
     = aarch64_general_add_builtin ("__builtin_aarch64_rev16ll", uint64_fntype,
-                                  AARCH64_REV16LL);
+                                  AARCH64_REV16LL, attrs);
   aarch64_builtin_decls[AARCH64_RBIT]
     = aarch64_general_add_builtin ("__builtin_aarch64_rbit", uint32_fntype,
-                                  AARCH64_RBIT);
+                                  AARCH64_RBIT, attrs);
   aarch64_builtin_decls[AARCH64_RBITL]
     = aarch64_general_add_builtin ("__builtin_aarch64_rbitl", ulong_fntype,
-                                  AARCH64_RBITL);
+                                  AARCH64_RBITL, attrs);
   aarch64_builtin_decls[AARCH64_RBITLL]
     = aarch64_general_add_builtin ("__builtin_aarch64_rbitll", uint64_fntype,
-                                  AARCH64_RBITLL);
+                                  AARCH64_RBITLL, attrs);
 }
 
 /* Implement #pragma GCC aarch64 "arm_acle.h".  */
-- 
2.43.0