aarch64_builtin_vectorized_function handles some built-in functions
that already have equivalent internal functions.  This seems to be
redundant now, since the target builtins that it chooses are mapped
to the same optab patterns as the internal functions.

Tested on aarch64-linux-gnu & pushed.

Richard


gcc/
        * config/aarch64/aarch64-builtins.cc
        (aarch64_builtin_vectorized_function): Remove handling of
        floor, ceil, trunc, round, nearbyint, sqrt, clz and ctz.

gcc/testsuite/
        * gcc.target/aarch64/vect_unary_1.c: New test.
---
 gcc/config/aarch64/aarch64-builtins.cc        |  32 ---
 .../gcc.target/aarch64/vect_unary_1.c         | 186 ++++++++++++++++++
 2 files changed, 186 insertions(+), 32 deletions(-)
 create mode 100644 gcc/testsuite/gcc.target/aarch64/vect_unary_1.c

diff --git a/gcc/config/aarch64/aarch64-builtins.cc 
b/gcc/config/aarch64/aarch64-builtins.cc
index e0a741ac663..a486321e10f 100644
--- a/gcc/config/aarch64/aarch64-builtins.cc
+++ b/gcc/config/aarch64/aarch64-builtins.cc
@@ -2581,38 +2581,6 @@ aarch64_builtin_vectorized_function (unsigned int fn, 
tree type_out,
   switch (fn)
     {
 #undef AARCH64_CHECK_BUILTIN_MODE
-#define AARCH64_CHECK_BUILTIN_MODE(C, N) \
-  (out_mode == V##C##N##Fmode && in_mode == V##C##N##Fmode)
-    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 == V##C##SImode && in_mode == V##C##N##Imode)
-    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 == V##C##N##Imode && in_mode == V##C##N##Fmode)
     CASE_CFN_IFLOOR:
diff --git a/gcc/testsuite/gcc.target/aarch64/vect_unary_1.c 
b/gcc/testsuite/gcc.target/aarch64/vect_unary_1.c
new file mode 100644
index 00000000000..8516808becf
--- /dev/null
+++ b/gcc/testsuite/gcc.target/aarch64/vect_unary_1.c
@@ -0,0 +1,186 @@
+/* { dg-options "-O3 --save-temps" } */
+/* { dg-final { check-function-bodies "**" "" "" } } */
+
+#include <stdint.h>
+
+#define TEST2(OUT, NAME, IN)                                           \
+OUT __attribute__((vector_size(sizeof(OUT) * 2)))                      \
+test2_##OUT##_##NAME##_##IN (float dummy,                              \
+                            IN __attribute__((vector_size(sizeof(IN) * 2))) y) 
\
+{                                                                      \
+  OUT __attribute__((vector_size(sizeof(OUT) * 2))) x;                 \
+  x[0] = __builtin_##NAME (y[0]);                                      \
+  x[1] = __builtin_##NAME (y[1]);                                      \
+  return x;                                                            \
+}                                                                      \
+
+#define TEST4(OUT, NAME, IN)                                           \
+OUT __attribute__((vector_size(16)))                                   \
+test4_##OUT##_##NAME##_##IN (float dummy,                              \
+                            IN __attribute__((vector_size(16))) y)     \
+{                                                                      \
+  OUT __attribute__((vector_size(16))) x;                              \
+  x[0] = __builtin_##NAME (y[0]);                                      \
+  x[1] = __builtin_##NAME (y[1]);                                      \
+  x[2] = __builtin_##NAME (y[2]);                                      \
+  x[3] = __builtin_##NAME (y[3]);                                      \
+  return x;                                                            \
+}                                                                      \
+
+/*
+** test2_float_truncf_float:
+**     frintz  v0.2s, v1.2s
+**     ret
+*/
+TEST2 (float, truncf, float)
+
+/*
+** test2_double_trunc_double:
+**     frintz  v0.2d, v1.2d
+**     ret
+*/
+TEST2 (double, trunc, double)
+
+/*
+** test4_float_truncf_float:
+**     frintz  v0.4s, v1.4s
+**     ret
+*/
+TEST4 (float, truncf, float)
+
+/*
+** test2_float_roundf_float:
+**     frinta  v0.2s, v1.2s
+**     ret
+*/
+TEST2 (float, roundf, float)
+
+/*
+** test2_double_round_double:
+**     frinta  v0.2d, v1.2d
+**     ret
+*/
+TEST2 (double, round, double)
+
+/*
+** test4_float_roundf_float:
+**     frinta  v0.4s, v1.4s
+**     ret
+*/
+TEST4 (float, roundf, float)
+
+/*
+** test2_float_nearbyintf_float:
+**     frinti  v0.2s, v1.2s
+**     ret
+*/
+TEST2 (float, nearbyintf, float)
+
+/*
+** test2_double_nearbyint_double:
+**     frinti  v0.2d, v1.2d
+**     ret
+*/
+TEST2 (double, nearbyint, double)
+
+/*
+** test4_float_nearbyintf_float:
+**     frinti  v0.4s, v1.4s
+**     ret
+*/
+TEST4 (float, nearbyintf, float)
+
+/*
+** test2_float_floorf_float:
+**     frintm  v0.2s, v1.2s
+**     ret
+*/
+TEST2 (float, floorf, float)
+
+/*
+** test2_double_floor_double:
+**     frintm  v0.2d, v1.2d
+**     ret
+*/
+TEST2 (double, floor, double)
+
+/*
+** test4_float_floorf_float:
+**     frintm  v0.4s, v1.4s
+**     ret
+*/
+TEST4 (float, floorf, float)
+
+/*
+** test2_float_ceilf_float:
+**     frintp  v0.2s, v1.2s
+**     ret
+*/
+TEST2 (float, ceilf, float)
+
+/*
+** test2_double_ceil_double:
+**     frintp  v0.2d, v1.2d
+**     ret
+*/
+TEST2 (double, ceil, double)
+
+/*
+** test4_float_ceilf_float:
+**     frintp  v0.4s, v1.4s
+**     ret
+*/
+TEST4 (float, ceilf, float)
+
+/*
+** test2_float_rintf_float:
+**     frintx  v0.2s, v1.2s
+**     ret
+*/
+TEST2 (float, rintf, float)
+
+/*
+** test2_double_rint_double:
+**     frintx  v0.2d, v1.2d
+**     ret
+*/
+TEST2 (double, rint, double)
+
+/*
+** test4_float_rintf_float:
+**     frintx  v0.4s, v1.4s
+**     ret
+*/
+TEST4 (float, rintf, float)
+
+/*
+** test2_int_clz_int:
+**     clz     v0.2s, v1.2s
+**     ret
+*/
+TEST2 (int, clz, int)
+
+/*
+** test4_int_clz_int:
+**     clz     v0.4s, v1.4s
+**     ret
+*/
+TEST4 (int, clz, int)
+
+/*
+** test2_int_ctz_int:
+**     rev32   (v[0-9]+).8b, v1.8b
+**     rbit    (v[0-9]+).8b, \1.8b
+**     clz     v0.2s, \2.2s
+**     ret
+*/
+TEST2 (int, ctz, int)
+
+/*
+** test4_int_ctz_int:
+**     rev32   (v[0-9]+).16b, v1.16b
+**     rbit    (v[0-9]+).16b, \1.16b
+**     clz     v0.4s, \2.4s
+**     ret
+*/
+TEST4 (int, ctz, int)
-- 
2.25.1

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