1 # frv testcase for csdiv $GRi,$GRj,$GRk,$CCi,$cond 2 # mach: all 3 4 .include "../testutils.inc" 5 6 start 7 8 .global csdiv 9 csdiv: 10 set_spr_immed 0x1b1b,cccr 11 12 ; simple division 12 / 3 13 set_gr_immed 3,gr3 14 set_gr_immed 12,gr1 15 csdiv gr1,gr3,gr2,cc4,1 16 test_gr_immed 4,gr2 17 18 ; Random example 19 set_gr_limmed 0x0123,0x4567,gr3 20 set_gr_limmed 0xfedc,0xba98,gr1 21 csdiv gr1,gr3,gr2,cc4,1 22 test_gr_immed -1,gr2 23 24 ; Special case from the Arch Spec Vol 2 25 and_spr_immed -33,isr ; turn off isr.edem 26 ; set up exception handler 27 set_psr_et 1 28 and_spr_immed -4081,tbr ; clear tbr.tt 29 set_gr_spr tbr,gr17 30 inc_gr_immed 0x170,gr17 ; address of exception handler 31 set_bctrlr_0_0 gr17 32 set_spr_immed 128,lcr 33 set_gr_immed 0,gr15 34 35 ; divide will cause overflow 36 set_spr_addr ok1,lr 37 set_gr_immed -1,gr3 38 set_gr_limmed 0x8000,0x0000,gr1 39 e1: csdiv gr1,gr3,gr2,cc4,1 40 test_gr_immed 1,gr15 41 test_gr_limmed 0x8000,0x0000,gr2 42 43 ; Special case from the Arch Spec Vol 2 44 or_spr_immed 0x20,isr ; turn on isr.edem 45 set_gr_immed -1,gr3 46 set_gr_limmed 0x8000,0x0000,gr1 47 csdiv gr1,gr3,gr2,cc4,1 48 test_gr_limmed 0x7fff,0xffff,gr2 49 50 ; simple division 12 / 3 51 set_gr_immed 3,gr3 52 set_gr_immed 12,gr1 53 csdiv gr1,gr3,gr2,cc4,0 54 test_gr_limmed 0x7fff,0xffff,gr2 55 56 ; Random example 57 set_gr_limmed 0x0123,0x4567,gr3 58 set_gr_limmed 0xfedc,0xba98,gr1 59 csdiv gr1,gr3,gr2,cc4,0 60 test_gr_limmed 0x7fff,0xffff,gr2 61 62 ; Special case from the Arch Spec Vol 2 63 and_spr_immed -33,isr ; turn off isr.edem 64 set_gr_immed -1,gr3 65 set_gr_limmed 0x8000,0x0000,gr1 66 csdiv gr1,gr3,gr2,cc4,0 67 test_gr_limmed 0x7fff,0xffff,gr2 68 69 or_spr_immed 0x20,isr ; turn on isr.edem 70 set_gr_immed -1,gr3 71 set_gr_limmed 0x8000,0x0000,gr1 72 csdiv gr1,gr3,gr2,cc4,0 73 test_gr_limmed 0x7fff,0xffff,gr2 74 75 ; simple division 12 / 3 76 set_gr_immed 3,gr3 77 set_gr_immed 12,gr1 78 csdiv gr1,gr3,gr2,cc5,0 79 test_gr_immed 4,gr2 80 81 ; Random example 82 set_gr_limmed 0x0123,0x4567,gr3 83 set_gr_limmed 0xfedc,0xba98,gr1 84 csdiv gr1,gr3,gr2,cc5,0 85 test_gr_immed -1,gr2 86 87 ; Special case from the Arch Spec Vol 2 88 and_spr_immed -33,isr ; turn off isr.edem 89 ; divide will cause overflow 90 set_spr_addr ok1,lr 91 set_gr_immed -1,gr3 92 set_gr_limmed 0x8000,0x0000,gr1 93 e2: csdiv gr1,gr3,gr2,cc5,0 94 test_gr_immed 2,gr15 95 test_gr_limmed 0x8000,0x0000,gr2 96 97 ; Special case from the Arch Spec Vol 2 98 or_spr_immed 0x20,isr ; turn on isr.edem 99 set_gr_immed -1,gr3 100 set_gr_limmed 0x8000,0x0000,gr1 101 csdiv gr1,gr3,gr2,cc5,0 102 test_gr_limmed 0x7fff,0xffff,gr2 103 104 ; simple division 12 / 3 105 set_gr_immed 3,gr3 106 set_gr_immed 12,gr1 107 csdiv gr1,gr3,gr2,cc5,1 108 test_gr_limmed 0x7fff,0xffff,gr2 109 110 ; Random example 111 set_gr_limmed 0x0123,0x4567,gr3 112 set_gr_limmed 0xfedc,0xba98,gr1 113 csdiv gr1,gr3,gr2,cc5,1 114 test_gr_limmed 0x7fff,0xffff,gr2 115 116 ; Special case from the Arch Spec Vol 2 117 and_spr_immed -33,isr ; turn off isr.edem 118 set_gr_immed -1,gr3 119 set_gr_limmed 0x8000,0x0000,gr1 120 csdiv gr1,gr3,gr2,cc5,1 121 test_gr_limmed 0x7fff,0xffff,gr2 122 123 or_spr_immed 0x20,isr ; turn on isr.edem 124 set_gr_immed -1,gr3 125 set_gr_limmed 0x8000,0x0000,gr1 126 csdiv gr1,gr3,gr2,cc5,1 127 test_gr_limmed 0x7fff,0xffff,gr2 128 129 ; simple division 12 / 3 130 set_gr_immed 3,gr3 131 set_gr_immed 12,gr1 132 csdiv gr1,gr3,gr2,cc6,0 133 test_gr_limmed 0x7fff,0xffff,gr2 134 135 ; Random example 136 set_gr_limmed 0x0123,0x4567,gr3 137 set_gr_limmed 0xfedc,0xba98,gr1 138 csdiv gr1,gr3,gr2,cc6,0 139 test_gr_limmed 0x7fff,0xffff,gr2 140 141 ; Special case from the Arch Spec Vol 2 142 and_spr_immed -33,isr ; turn off isr.edem 143 set_gr_immed -1,gr3 144 set_gr_limmed 0x8000,0x0000,gr1 145 csdiv gr1,gr3,gr2,cc6,0 146 test_gr_limmed 0x7fff,0xffff,gr2 147 148 or_spr_immed 0x20,isr ; turn on isr.edem 149 set_gr_immed -1,gr3 150 set_gr_limmed 0x8000,0x0000,gr1 151 csdiv gr1,gr3,gr2,cc6,0 152 test_gr_limmed 0x7fff,0xffff,gr2 153 154 ; simple division 12 / 3 155 set_gr_immed 3,gr3 156 set_gr_immed 12,gr1 157 csdiv gr1,gr3,gr2,cc7,1 158 test_gr_limmed 0x7fff,0xffff,gr2 159 160 ; Random example 161 set_gr_limmed 0x0123,0x4567,gr3 162 set_gr_limmed 0xfedc,0xba98,gr1 163 csdiv gr1,gr3,gr2,cc7,1 164 test_gr_limmed 0x7fff,0xffff,gr2 165 166 ; Special case from the Arch Spec Vol 2 167 and_spr_immed -33,isr ; turn off isr.edem 168 set_gr_immed -1,gr3 169 set_gr_limmed 0x8000,0x0000,gr1 170 csdiv gr1,gr3,gr2,cc7,1 171 test_gr_limmed 0x7fff,0xffff,gr2 172 173 or_spr_immed 0x20,isr ; turn on isr.edem 174 set_gr_immed -1,gr3 175 set_gr_limmed 0x8000,0x0000,gr1 176 csdiv gr1,gr3,gr2,cc7,1 177 test_gr_limmed 0x7fff,0xffff,gr2 178 179 pass 180 181 ok1: ; exception handler for overflow 182 test_spr_bits 0x18,3,0x2,isr ; isr.dtt is set 183 test_spr_bits 0x0001,0,0x1,esr0 ; esr0 is valid 184 test_spr_bits 0x003e,1,0x13,esr0 ; esr0.ec is set 185 inc_gr_immed 1,gr15 186 rett 0 187 fail 188
Indexes created Mon Oct 26 00:26:21 UTC 2026