1  /* { dg-do assemble { target { arm*-*-* } } } */
       2  /* { dg-require-effective-target arm_v8_neon_ok } */
       3  /* { dg-require-effective-target arm_v8_2a_bf16_neon_ok } */
       4  /* { dg-additional-options "-march=armv8.2-a -mfloat-abi=hard -mfpu=neon-fp-armv8" } */
       5  /* { dg-additional-options "-O3 --save-temps -std=gnu90" } */
       6  /* { dg-final { check-function-bodies "**" "" } } */
       7  
       8  #include <arm_bf16.h>
       9  
      10  #pragma GCC push_options
      11  #pragma GCC target ("+bf16")
      12  
      13  /*
      14  **stacktest1:
      15  **	...
      16  **	vst1.16	{d[0-9]+\[[0-9]+\]}, \[r[0-9]+\]
      17  **	vld1.16	{d[0-9]+\[[0-9]+\]}, \[r[0-9]+\]
      18  **	...
      19  **	bx	lr
      20  */
      21  bfloat16_t stacktest1 (bfloat16_t __a)
      22  {
      23    volatile bfloat16_t b = __a;
      24    return b;
      25  }
      26  
      27  /*
      28  **bfloat_mov_ww:
      29  **	...
      30  **	vmov.f32	s1, s15
      31  **	...
      32  **	bx	lr
      33  */
      34  void bfloat_mov_ww (void)
      35  {
      36    register bfloat16_t x asm ("s15");
      37    register bfloat16_t y asm ("s1");
      38    asm volatile ("#foo" : "=t" (x));
      39    y = x;
      40    asm volatile ("#foo" :: "t" (y));
      41  }
      42  
      43  /*
      44  **bfloat_mov_rw:
      45  **	...
      46  **	vmov	s1, r4
      47  **	...
      48  **	bx	lr
      49  */
      50  void bfloat_mov_rw (void)
      51  {
      52    register bfloat16_t x asm ("r4");
      53    register bfloat16_t y asm ("s1");
      54    asm volatile ("#foo" : "=r" (x));
      55    y = x;
      56    asm volatile ("#foo" :: "t" (y));
      57  }
      58  
      59  /*
      60  **bfloat_mov_wr:
      61  **	...
      62  **	vmov	r4, s1
      63  **	...
      64  **	bx	lr
      65  */
      66  void bfloat_mov_wr (void)
      67  {
      68    register bfloat16_t x asm ("s1");
      69    register bfloat16_t y asm ("r4");
      70    asm volatile ("#foo" : "=t" (x));
      71    y = x;
      72    asm volatile ("#foo" :: "r" (y));
      73  }
      74  
      75  /*
      76  **bfloat_mov_rr:
      77  **	...
      78  **	mov	r4, r5	@ __bf16
      79  **	...
      80  **	bx	lr
      81  */
      82  void bfloat_mov_rr (void)
      83  {
      84    register bfloat16_t x asm ("r5");
      85    register bfloat16_t y asm ("r4");
      86    asm volatile ("#foo" : "=r" (x));
      87    y = x;
      88    asm volatile ("#foo" :: "r" (y));
      89  }
      90  
      91  /*
      92  **bfloat_mov_rm:
      93  **	...
      94  **	strh	r4, \[.*\]	@ __bf16
      95  **	...
      96  **	bx	lr
      97  */
      98  void bfloat_mov_rm (void)
      99  {
     100    register bfloat16_t x asm ("r4");
     101    volatile bfloat16_t y;
     102    asm volatile ("#foo" : "=r" (x));
     103    y = x;
     104    asm volatile ("#foo" : : : "memory");
     105  }
     106  
     107  /*
     108  **bfloat_mov_mr:
     109  **	...
     110  **	ldrh	r4, \[.*\]	@ __bf16
     111  **	...
     112  **	bx	lr
     113  */
     114  void bfloat_mov_mr (void)
     115  {
     116    volatile bfloat16_t x;
     117    register bfloat16_t y asm ("r4");
     118    asm volatile ("#foo" : : : "memory");
     119    y = x;
     120    asm volatile ("#foo" :: "r" (y));
     121  }
     122  
     123  #pragma GCC pop_options
     124