OpenCores
URL https://opencores.org/ocsvn/openrisc_me/openrisc_me/trunk

Subversion Repositories openrisc_me

[/] [openrisc/] [trunk/] [gnu-src/] [gdb-6.8/] [sim/] [testsuite/] [sim/] [frv/] [udivi.cgs] - Blame information for rev 308

Go to most recent revision | Details | Compare with Previous | View Log

Line No. Rev Author Line
1 24 jeremybenn
# frv testcase for udivi $GRi,$s12,$GRk
2
# mach: frv fr500 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
        set_gr_addr     e1,gr17
37
e1:     udivi           gr1,0,gr2       ; divide by zero
38
        test_gr_immed   1,gr15
39
 
40
        pass
41
 
42
ok1:    ; exception handler for divide by zero
43
        test_spr_bits   0x18,3,0x1,isr          ; isr.dtt is set
44
        test_spr_gr     epcr0,gr17              ; return address set
45
        test_spr_bits   0x0001,0,0x1,esr0       ; esr0 is valid
46
        test_spr_bits   0x003e,1,0x13,esr0      ; esr0.ec is set
47
        inc_gr_immed    1,gr15
48
        rett            0
49
        fail

powered by: WebSVN 2.1.0

© copyright 1999-2024 OpenCores.org, equivalent to Oliscience, all rights reserved. OpenCores®, registered trademark.