gcc/testsuite/gcc.target/arm/neon-for-64bits-1.c

   1 /* Check that Neon is *not* used by default to handle 64-bits scalar
   2    operations.  */
   3
   4 /* { dg-do compile } */
   5 /* { dg-require-effective-target arm_neon_ok } */
   6 /* { dg-options "-O2" } */
   7 /* { dg-add-options arm_neon } */
   8
   9 typedef long long i64;
  10 typedef unsigned long long u64;
  11 typedef unsigned int u32;
  12 typedef int i32;
  13
  14 /* Unary operators */
  15 #define UNARY_OP(name, op) \
  16   void unary_##name(u64 *a, u64 *b) { *a = op (*b + 0x1234567812345678ULL) ; }
  17
  18 /* Binary operators */
  19 #define BINARY_OP(name, op) \
  20   void binary_##name(u64 *a, u64 *b, u64 *c) { *a = *b op *c ; }
  21
  22 /* Unsigned shift */
  23 #define SHIFT_U(name, op, amount) \
  24   void ushift_##name(u64 *a, u64 *b, int c) { *a = *b op amount; }
  25
  26 /* Signed shift */
  27 #define SHIFT_S(name, op, amount) \
  28   void sshift_##name(i64 *a, i64 *b, int c) { *a = *b op amount; }
  29
  30 UNARY_OP(not, ~)
  31
  32 BINARY_OP(add, +)
  33 BINARY_OP(sub, -)
  34 BINARY_OP(and, &)
  35 BINARY_OP(or, |)
  36 BINARY_OP(xor, ^)
  37
  38 SHIFT_U(right1, >>, 1)
  39 SHIFT_U(right2, >>, 2)
  40 SHIFT_U(right5, >>, 5)
  41 SHIFT_U(rightn, >>, c)
  42
  43 SHIFT_S(right1, >>, 1)
  44 SHIFT_S(right2, >>, 2)
  45 SHIFT_S(right5, >>, 5)
  46 SHIFT_S(rightn, >>, c)
  47
  48 /* { dg-final {scan-assembler-times "vmvn" 0} }  */
  49 /* { dg-final {scan-assembler-times "vadd" 0} }  */
  50 /* { dg-final {scan-assembler-times "vsub" 0} }  */
  51 /* { dg-final {scan-assembler-times "vand" 0} }  */
  52 /* { dg-final {scan-assembler-times "vorr" 0} }  */
  53 /* { dg-final {scan-assembler-times "veor" 0} }  */
  54 /* { dg-final {scan-assembler-times "vshr" 0} }  */