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- # frv testcase for udiv $GRi,$GRj,$GRk
- # mach: frv fr500 fr400
- .include "testutils.inc"
- start
- .global udiv
- udiv:
- ; simple division 12 / 3
- set_gr_immed 0x00000003,gr2
- set_gr_immed 0x0000000c,gr3
- udiv gr3,gr2,gr3
- test_gr_immed 0x00000003,gr2
- test_gr_immed 0x00000004,gr3
- ; example 1 from udiv in the fr30 manual
- set_gr_limmed 0x0123,0x4567,gr2
- set_gr_limmed 0xfedc,0xba98,gr3
- udiv gr3,gr2,gr3
- test_gr_limmed 0x0123,0x4567,gr2
- test_gr_immed 0x000000e0,gr3
- ; set up exception handler
- set_psr_et 1
- and_spr_immed -4081,tbr ; clear tbr.tt
- set_gr_spr tbr,gr17
- inc_gr_immed 0x170,gr17 ; address of exception handler
- set_bctrlr_0_0 gr17
- set_spr_immed 128,lcr
- set_gr_immed 0,gr15
- ; divide by zero
- set_spr_addr ok1,lr
- set_gr_addr e1,gr17
- e1: udiv gr1,gr0,gr2 ; divide by zero
- test_gr_immed 1,gr15
- pass
- ok1: ; exception handler for divide by zero
- test_spr_bits 0x18,3,0x1,isr ; isr.dtt is set
- test_spr_gr epcr0,gr17 ; return address set
- test_spr_bits 0x0001,0,0x1,esr0 ; esr0 is valid
- test_spr_bits 0x003e,1,0x13,esr0 ; esr0.ec is set
- inc_gr_immed 1,gr15
- rett 0
- fail
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