1 # frv testcase for udivi $GRi,$s12,$GRk 2 # mach: fr400 3 4 .include "../testutils.inc" 5 6 start 7 8 .global udivi 9 udivi: 10 ; simple division 12 / 3 11 set_gr_immed 0x0000000c,gr3 12 udivi gr3,3,gr3 13 test_gr_immed 0x00000004,gr3 14 15 ; random example 16 set_gr_limmed 0xfedc,0xba98,gr3 17 udivi gr3,0x7ff,gr3 18 test_gr_limmed 0x001f,0xdf93,gr3 19 20 ; random example 21 set_gr_limmed 0xffff,0xffff,gr3 22 udivi gr3,-2048,gr3 23 test_gr_immed 1,gr3 24 25 ; set up exception handler 26 set_psr_et 1 27 and_spr_immed -4081,tbr ; clear tbr.tt 28 set_gr_spr tbr,gr17 29 inc_gr_immed 0x170,gr17 ; address of exception handler 30 set_bctrlr_0_0 gr17 31 set_spr_immed 128,lcr 32 set_gr_immed 0,gr15 33 34 ; divide by zero 35 set_spr_addr ok1,lr 36 e1: udivi gr1,0,gr2 ; divide by zero 37 test_gr_immed 1,gr15 38 39 pass 40 41 ok1: ; exception handler for divide by zero 42 test_spr_bits 0x18,3,0x1,isr ; isr.dtt is set 43 test_spr_bits 0x0001,0,0x1,esr0 ; esr0 is valid 44 test_spr_bits 0x003e,1,0x13,esr0 ; esr0.ec is set 45 inc_gr_immed 1,gr15 46 rett 0 47 fail 48
Indexes created Sun Oct 25 00:26:45 UTC 2026