Max Filippov | a2e6707 | 2014-02-10 20:20:52 +0400 | [diff] [blame] | 1 | #include "macros.inc" |
Max Filippov | 7d890b4 | 2011-09-06 03:55:57 +0400 | [diff] [blame] | 2 | |
| 3 | test_suite loop |
| 4 | |
Max Filippov | 50f0171 | 2019-02-18 06:40:38 -0800 | [diff] [blame] | 5 | #if XCHAL_HAVE_LOOPS |
| 6 | |
Max Filippov | 7d890b4 | 2011-09-06 03:55:57 +0400 | [diff] [blame] | 7 | test loop |
| 8 | movi a2, 0 |
| 9 | movi a3, 5 |
| 10 | loop a3, 1f |
| 11 | addi a2, a2, 1 |
| 12 | 1: |
| 13 | assert eqi, a2, 5 |
| 14 | test_end |
| 15 | |
| 16 | test loop0 |
| 17 | movi a2, 0 |
| 18 | loop a2, 1f |
| 19 | rsr a2, lcount |
| 20 | assert eqi, a2, -1 |
| 21 | j 1f |
| 22 | 1: |
| 23 | test_end |
| 24 | |
| 25 | test loop_jump |
| 26 | movi a2, 0 |
| 27 | movi a3, 5 |
| 28 | loop a3, 1f |
| 29 | addi a2, a2, 1 |
| 30 | j 1f |
| 31 | 1: |
| 32 | assert eqi, a2, 1 |
| 33 | test_end |
| 34 | |
| 35 | test loop_branch |
| 36 | movi a2, 0 |
| 37 | movi a3, 5 |
| 38 | loop a3, 1f |
| 39 | addi a2, a2, 1 |
| 40 | beqi a2, 3, 1f |
| 41 | 1: |
| 42 | assert eqi, a2, 3 |
| 43 | test_end |
| 44 | |
| 45 | test loop_manual |
| 46 | movi a2, 0 |
| 47 | movi a3, 5 |
| 48 | movi a4, 1f |
| 49 | movi a5, 2f |
| 50 | wsr a3, lcount |
| 51 | wsr a4, lbeg |
| 52 | wsr a5, lend |
| 53 | isync |
| 54 | j 1f |
| 55 | .align 4 |
| 56 | 1: |
| 57 | addi a2, a2, 1 |
| 58 | 2: |
| 59 | assert eqi, a2, 6 |
| 60 | test_end |
| 61 | |
| 62 | test loop_excm |
| 63 | movi a2, 0 |
| 64 | movi a3, 5 |
| 65 | rsr a4, ps |
| 66 | movi a5, 0x10 |
| 67 | or a4, a4, a5 |
| 68 | wsr a4, ps |
| 69 | isync |
| 70 | loop a3, 1f |
| 71 | addi a2, a2, 1 |
| 72 | 1: |
| 73 | xor a4, a4, a5 |
| 74 | isync |
| 75 | wsr a4, ps |
| 76 | assert eqi, a2, 1 |
| 77 | test_end |
| 78 | |
Max Filippov | ec9fe93 | 2012-04-10 02:48:19 +0400 | [diff] [blame] | 79 | test lbeg_invalidation |
| 80 | movi a2, 0 |
| 81 | movi a3, 1 |
| 82 | movi a4, 1f |
| 83 | movi a5, 3f |
| 84 | wsr a3, lcount |
| 85 | wsr a4, lbeg |
| 86 | wsr a5, lend |
| 87 | isync |
| 88 | j 1f |
| 89 | .align 4 |
| 90 | 1: |
| 91 | addi a2, a2, 1 |
| 92 | j 2f |
| 93 | .align 4 |
| 94 | 2: |
| 95 | addi a2, a2, 2 |
| 96 | movi a3, 2b |
| 97 | wsr a3, lbeg |
| 98 | isync |
| 99 | nop |
| 100 | 3: |
| 101 | assert eqi, a2, 5 |
| 102 | test_end |
| 103 | |
| 104 | test lend_invalidation |
| 105 | movi a2, 0 |
| 106 | movi a3, 5 |
| 107 | movi a4, 1f |
| 108 | movi a5, 2f |
| 109 | wsr a3, lcount |
| 110 | wsr a4, lbeg |
| 111 | wsr a5, lend |
| 112 | isync |
| 113 | j 1f |
| 114 | .align 4 |
| 115 | 1: |
| 116 | addi a2, a2, 1 |
| 117 | 2: |
| 118 | beqi a3, 3, 1f |
| 119 | assert eqi, a2, 6 |
| 120 | movi a3, 3 |
| 121 | wsr a3, lcount |
| 122 | wsr a4, lend |
| 123 | isync |
| 124 | j 1b |
| 125 | 1: |
| 126 | assert eqi, a2, 7 |
| 127 | test_end |
| 128 | |
Max Filippov | 536a98d | 2012-04-16 01:47:07 +0400 | [diff] [blame] | 129 | test loopnez |
| 130 | movi a2, 0 |
| 131 | movi a3, 5 |
| 132 | loopnez a3, 1f |
| 133 | addi a2, a2, 1 |
| 134 | 1: |
| 135 | assert eqi, a2, 5 |
| 136 | |
| 137 | movi a2, 0 |
| 138 | movi a3, 0 |
| 139 | loopnez a3, 1f |
| 140 | test_fail |
| 141 | 1: |
| 142 | test_end |
| 143 | |
| 144 | test loopgtz |
| 145 | movi a2, 0 |
| 146 | movi a3, 5 |
| 147 | loopgtz a3, 1f |
| 148 | addi a2, a2, 1 |
| 149 | 1: |
| 150 | assert eqi, a2, 5 |
| 151 | |
| 152 | movi a2, 0 |
| 153 | movi a3, 0 |
| 154 | loopgtz a3, 1f |
| 155 | test_fail |
| 156 | 1: |
| 157 | |
| 158 | movi a2, 0 |
| 159 | movi a3, 0x80000000 |
| 160 | loopgtz a3, 1f |
| 161 | test_fail |
| 162 | 1: |
| 163 | test_end |
| 164 | |
Max Filippov | 50f0171 | 2019-02-18 06:40:38 -0800 | [diff] [blame] | 165 | #endif |
| 166 | |
Max Filippov | 7d890b4 | 2011-09-06 03:55:57 +0400 | [diff] [blame] | 167 | test_suite_end |