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145
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1 /* { dg-do assemble { target { arm*-*-* } } } */
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2 /* { dg-require-effective-target arm_v8_neon_ok } */
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3 /* { dg-require-effective-target arm_v8_2a_bf16_neon_ok } */
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4 /* { dg-additional-options "-march=armv8.2-a -mfloat-abi=softfp -mfpu=neon-fp-armv8" } */
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5 /* { dg-additional-options "-O3 --save-temps -std=gnu90" } */
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6 /* { dg-final { check-function-bodies "**" "" } } */
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7
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8 #include <arm_bf16.h>
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9
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10 #pragma GCC push_options
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11 #pragma GCC target ("+bf16")
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12
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13 /*
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14 **stacktest1:
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15 ** ...
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16 ** strh r[0-9]+, \[r[0-9]+\] @ __bf16
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17 ** ldrh r[0-9]+, \[sp, #[0-9]+\] @ __bf16
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18 ** ...
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19 ** bx lr
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20 */
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21 bfloat16_t stacktest1 (bfloat16_t __a)
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22 {
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23 volatile bfloat16_t b = __a;
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24 return b;
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25 }
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26
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27 /*
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28 **bfloat_mov_ww:
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29 ** ...
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30 ** vmov.f32 s1, s15
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31 ** ...
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32 ** bx lr
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33 */
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34 void bfloat_mov_ww (void)
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35 {
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36 register bfloat16_t x asm ("s15");
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37 register bfloat16_t y asm ("s1");
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38 asm volatile ("#foo" : "=t" (x));
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39 y = x;
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40 asm volatile ("#foo" :: "t" (y));
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41 }
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42
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43 /*
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44 **bfloat_mov_rw:
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45 ** ...
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46 ** vmov s1, r4
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47 ** ...
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48 ** bx lr
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49 */
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50 void bfloat_mov_rw (void)
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51 {
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52 register bfloat16_t x asm ("r4");
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53 register bfloat16_t y asm ("s1");
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54 asm volatile ("#foo" : "=r" (x));
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55 y = x;
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56 asm volatile ("#foo" :: "t" (y));
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57 }
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58
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59 /*
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60 **bfloat_mov_wr:
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61 ** ...
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62 ** vmov r4, s1
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63 ** ...
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64 ** bx lr
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65 */
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66 void bfloat_mov_wr (void)
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67 {
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68 register bfloat16_t x asm ("s1");
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69 register bfloat16_t y asm ("r4");
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70 asm volatile ("#foo" : "=t" (x));
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71 y = x;
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72 asm volatile ("#foo" :: "r" (y));
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73 }
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74
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75 /*
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76 **bfloat_mov_rr:
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77 ** ...
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78 ** mov r4, r5 @ __bf16
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79 ** ...
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80 ** bx lr
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81 */
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82 void bfloat_mov_rr (void)
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83 {
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84 register bfloat16_t x asm ("r5");
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85 register bfloat16_t y asm ("r4");
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86 asm volatile ("#foo" : "=r" (x));
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87 y = x;
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88 asm volatile ("#foo" :: "r" (y));
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89 }
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90
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91 /*
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92 **bfloat_mov_rm:
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93 ** ...
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94 ** strh r4, \[.*\] @ __bf16
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95 ** ...
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96 ** bx lr
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97 */
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98 void bfloat_mov_rm (void)
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99 {
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100 register bfloat16_t x asm ("r4");
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101 volatile bfloat16_t y;
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102 asm volatile ("#foo" : "=r" (x));
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103 y = x;
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104 asm volatile ("#foo" : : : "memory");
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105 }
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106
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107 /*
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108 **bfloat_mov_mr:
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109 ** ...
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110 ** ldrh r4, \[.*\] @ __bf16
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111 ** ...
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112 ** bx lr
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113 */
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114 void bfloat_mov_mr (void)
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115 {
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116 volatile bfloat16_t x;
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117 register bfloat16_t y asm ("r4");
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118 asm volatile ("#foo" : : : "memory");
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119 y = x;
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120 asm volatile ("#foo" :: "r" (y));
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121 }
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122
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123 #pragma GCC pop_options
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124
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