ftrc.s revision 1.1.1.1
1 # sh testcase for ftrc 2 # mach: sh 3 # as(sh): -defsym sim_cpu=0 4 5 .include "testutils.inc" 6 7 start 8 ftrc_single: 9 set_grs_a5a5 10 set_fprs_a5a5 11 # ftrc(0.0) = 0. 12 fldi0 fr0 13 ftrc fr0, fpul 14 # check results. 15 mov #0, r0 16 sts fpul, r1 17 cmp/eq r0, r1 18 bt .L0 19 fail 20 .L0: 21 # ftrc(1.5) = 1. 22 fldi1 fr0 23 fldi1 fr1 24 fldi1 fr2 25 # double it. 26 fadd fr2, fr2 27 # form the fraction. 28 fdiv fr2, fr1 29 fadd fr1, fr0 30 # now we've got 1.5 in fr0. 31 ftrc fr0, fpul 32 # check results. 33 mov #1, r0 34 sts fpul, r1 35 cmp/eq r0, r1 36 bt .L1 37 fail 38 .L1: 39 # ftrc(-1.5) = -1. 40 fldi1 fr0 41 fneg fr0 42 fldi1 fr1 43 fldi1 fr2 44 # double it. 45 fadd fr2, fr2 46 # form the fraction. 47 fdiv fr2, fr1 48 fneg fr1 49 # -1 + -0.5 = -1.5. 50 fadd fr1, fr0 51 # now we've got 1.5 in fr0. 52 ftrc fr0, fpul 53 # check results. 54 mov #1, r0 55 neg r0, r0 56 sts fpul, r1 57 cmp/eq r0, r1 58 bt ftrc_double 59 fail 60 61 ftrc_double: 62 double_prec 63 # ftrc(0.0) = 0. 64 fldi0 fr0 65 _s2d fr0, dr0 66 ftrc dr0, fpul 67 # check results. 68 mov #0, r0 69 sts fpul, r1 70 cmp/eq r0, r1 71 bt .L10 72 fail 73 .L10: 74 # ftrc(1.5) = 1. 75 fldi1 fr0 76 fldi1 fr2 77 fldi1 fr4 78 # double it. 79 single_prec 80 fadd fr4, fr4 81 # form 0.5. 82 fdiv fr4, fr2 83 fadd fr2, fr0 84 double_prec 85 # now we've got 1.5 in fr0, so do some single->double 86 # conversions and perform the ftrc. 87 _s2d fr0, dr0 88 _s2d fr2, dr2 89 _s2d fr4, dr4 90 ftrc dr0, fpul 91 92 # check results. 93 mov #1, r0 94 sts fpul, r1 95 cmp/eq r0, r1 96 bt .L11 97 fail 98 .L11: 99 # ftrc(-1.5) = -1. 100 fldi1 fr0 101 fneg fr0 102 fldi1 fr2 103 fldi1 fr4 104 single_prec 105 # double it. 106 fadd fr4, fr4 107 # form the fraction. 108 fdiv fr4, fr2 109 fneg fr2 110 # -1 + -0.5 = -1.5. 111 fadd fr2, fr0 112 double_prec 113 # now we've got 1.5 in fr0, so do some single->double 114 # conversions and perform the ftrc. 115 _s2d fr0, dr0 116 _s2d fr2, dr2 117 _s2d fr4, dr4 118 ftrc dr0, fpul 119 120 # check results. 121 mov #1, r0 122 neg r0, r0 123 sts fpul, r1 124 cmp/eq r0, r1 125 bt .L12 126 fail 127 .L12: 128 assertreg0 -1 129 assertreg -1, r1 130 test_gr_a5a5 r2 131 test_gr_a5a5 r3 132 test_gr_a5a5 r4 133 test_gr_a5a5 r5 134 test_gr_a5a5 r6 135 test_gr_a5a5 r7 136 test_gr_a5a5 r8 137 test_gr_a5a5 r9 138 test_gr_a5a5 r10 139 test_gr_a5a5 r11 140 test_gr_a5a5 r12 141 test_gr_a5a5 r13 142 test_gr_a5a5 r14 143 144 assert_dpreg_i 2, dr4 145 test_fpr_a5a5 fr6 146 test_fpr_a5a5 fr7 147 test_fpr_a5a5 fr8 148 test_fpr_a5a5 fr9 149 test_fpr_a5a5 fr10 150 test_fpr_a5a5 fr11 151 test_fpr_a5a5 fr12 152 test_fpr_a5a5 fr13 153 test_fpr_a5a5 fr14 154 test_fpr_a5a5 fr15 155 pass 156 exit 0 157
Indexes created Wed Aug 26 00:26:28 UTC 2026