gcc/testsuite/gcc.target/aarch64/crypto-fuse-1.c

   1 /* { dg-do compile } */
   2 /* { dg-options "-O3 -mcpu=cortex-a72+crypto -dp" } */
   3
   4 #include <arm_neon.h>
   5
   6 #define AESE(r, v, key) (r = vaeseq_u8 ((v), (key)));
   7 #define AESMC(r, i) (r = vaesmcq_u8 (i))
   8
   9 uint8x16_t dummy;
  10 uint8x16_t a;
  11 uint8x16_t b;
  12 uint8x16_t c;
  13 uint8x16_t d;
  14 uint8x16_t e;
  15
  16 void
  17 foo (void)
  18 {
  19   AESE (a, a, e);
  20   dummy = vaddq_u8 (dummy, dummy);
  21   dummy = vaddq_u8 (dummy, dummy);
  22   AESE (b, b, e);
  23   dummy = vaddq_u8 (dummy, dummy);
  24   dummy = vaddq_u8 (dummy, dummy);
  25   AESE (c, c, e);
  26   dummy = vaddq_u8 (dummy, dummy);
  27   dummy = vaddq_u8 (dummy, dummy);
  28   AESE (d, d, e);
  29   dummy = vaddq_u8 (dummy, dummy);
  30   dummy = vaddq_u8 (dummy, dummy);
  31
  32   AESMC (a, a);
  33   dummy = vaddq_u8 (dummy, dummy);
  34   dummy = vaddq_u8 (dummy, dummy);
  35   AESMC (b, b);
  36   dummy = vaddq_u8 (dummy, dummy);
  37   dummy = vaddq_u8 (dummy, dummy);
  38   AESMC (c, c);
  39   dummy = vaddq_u8 (dummy, dummy);
  40   dummy = vaddq_u8 (dummy, dummy);
  41   AESMC (d, d);
  42 }
  43
  44 /* { dg-final { scan-assembler-times "crypto_aese_fused" 4 } } */
  45