test_loop.S (2385B)
1#include "macros.inc" 2 3test_suite loop 4 5#if XCHAL_HAVE_LOOPS 6 7test loop 8 movi a2, 0 9 movi a3, 5 10 loop a3, 1f 11 addi a2, a2, 1 121: 13 assert eqi, a2, 5 14test_end 15 16test loop0 17 movi a2, 0 18 loop a2, 1f 19 rsr a2, lcount 20 assert eqi, a2, -1 21 j 1f 221: 23test_end 24 25test loop_jump 26 movi a2, 0 27 movi a3, 5 28 loop a3, 1f 29 addi a2, a2, 1 30 j 1f 311: 32 assert eqi, a2, 1 33test_end 34 35test loop_branch 36 movi a2, 0 37 movi a3, 5 38 loop a3, 1f 39 addi a2, a2, 1 40 beqi a2, 3, 1f 411: 42 assert eqi, a2, 3 43test_end 44 45test 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 4 561: 57 addi a2, a2, 1 582: 59 assert eqi, a2, 6 60test_end 61 62test 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, 1 721: 73 xor a4, a4, a5 74 isync 75 wsr a4, ps 76 assert eqi, a2, 1 77test_end 78 79test 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 4 901: 91 addi a2, a2, 1 92 j 2f 93.align 4 942: 95 addi a2, a2, 2 96 movi a3, 2b 97 wsr a3, lbeg 98 isync 99 nop 1003: 101 assert eqi, a2, 5 102test_end 103 104test 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 1151: 116 addi a2, a2, 1 1172: 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 1251: 126 assert eqi, a2, 7 127test_end 128 129test loopnez 130 movi a2, 0 131 movi a3, 5 132 loopnez a3, 1f 133 addi a2, a2, 1 1341: 135 assert eqi, a2, 5 136 137 movi a2, 0 138 movi a3, 0 139 loopnez a3, 1f 140 test_fail 1411: 142test_end 143 144test loopgtz 145 movi a2, 0 146 movi a3, 5 147 loopgtz a3, 1f 148 addi a2, a2, 1 1491: 150 assert eqi, a2, 5 151 152 movi a2, 0 153 movi a3, 0 154 loopgtz a3, 1f 155 test_fail 1561: 157 158 movi a2, 0 159 movi a3, 0x80000000 160 loopgtz a3, 1f 161 test_fail 1621: 163test_end 164 165#endif 166 167test_suite_end