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1 /* { dg-do assemble } */

2 /* { dg-options "-O -mtune=neoverse-v1 --save-temps" } */

3 /* { dg-final { check-function-bodies "**" "" "" } } */

5 #pragma GCC target "+nothing+nosimd+fp"

7 /*

8 ** fpr_to_fpr:

9 ** sub sp, sp, #16

10 ** str q1, \[sp\]

11 ** ldr q0, \[sp\]

12 ** add sp, sp, #?16

13 ** ret

14 */

15 void

16 fpr_to_fpr (void)

17 {

18 register __int128_t q0 asm ("q0");

19 register __int128_t q1 asm ("q1");

20 asm volatile ("" : "=w" (q1));

21 q0 = q1;

22 asm volatile ("" :: "w" (q0));

23 }

25 /*

26 ** gpr_to_fpr: { target aarch64_little_endian }

27 ** fmov d0, x0

28 ** fmov v0.d\[1\], x1

29 ** ret

30 */

31 /*

32 ** gpr_to_fpr: { target aarch64_big_endian }

33 ** fmov d0, x1

34 ** fmov v0.d\[1\], x0

35 ** ret

36 */

37 void

38 gpr_to_fpr (__int128_t x0)

39 {

40 register __int128_t q0 asm ("q0");

41 q0 = x0;

42 asm volatile ("" :: "w" (q0));

43 }

45 /*

46 ** zero_to_fpr:

47 ** fmov d0, xzr

48 ** ret

49 */

50 void

51 zero_to_fpr ()

52 {

53 register __int128_t q0 asm ("q0");

54 q0 = 0;

55 asm volatile ("" :: "w" (q0));

56 }

58 /*

59 ** fpr_to_gpr: { target aarch64_little_endian }

60 ** (

61 ** fmov x0, d0

62 ** fmov x1, v0.d\[1\]

63 ** |

64 ** fmov x1, v0.d\[1\]

65 ** fmov x0, d0

66 ** )

67 ** ret

68 */

69 /*

70 ** fpr_to_gpr: { target aarch64_big_endian }

71 ** (

72 ** fmov x1, d0

73 ** fmov x0, v0.d\[1\]

74 ** |

75 ** fmov x0, v0.d\[1\]

76 ** fmov x1, d0

77 ** )

78 ** ret

79 */

80 __int128_t

81 fpr_to_gpr ()

82 {

83 register __int128_t q0 asm ("q0");

84 asm volatile ("" : "=w" (q0));

85 return q0;

86 }