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# sh testcase for psub
# mach:  shdsp
# as(shdsp):    -defsym sim_cpu=1 -dsp
 
        .include "testutils.inc"
 
        start
        set_grs_a5a5
        lds     r0, a0
        pcopy   a0, a1
        lds     r0, x0
        lds     r0, x1
        lds     r0, y0
        lds     r0, y1
        pcopy   x0, m0
        pcopy   y1, m1
 
psub_sx_sy:
        # 0xa5a5a5a5 minus 0xa5a5a5a5 equals zero
        psub    x0, y0, a0
        assert_sreg     0, a0
 
psub_sy_sx:
        # 100 - 25 = 75
        mov     #100, r0
        mov     #25, r1
        lds     r0, y1
        lds     r1, x1
        psub    y1, x1, a0
        assert_sreg     75, a0
 
dct_psub:
        # 100 - 25 = 75
        set_dcfalse
        dct     psub    y1, x1, a1
        assert_sreg2    0xa5a5a5a5, a1
        set_dctrue
        dct     psub    y1, x1, a1
        assert_sreg2    75, a1
 
dcf_psub:
        # 25 - 100 = -75
        set_dctrue
        dcf     psub    x1, y1, m1
        assert_sreg2    0xa5a5a5a5, m1
        set_dcfalse
        dcf     psub    x1, y1, m1
        assert_sreg2    -75, m1
 
psub_pmuls:
        # 25 - 100 = -75, and 2 x 2 = 8 (yes, eight, not four)
        mov     #2, r0
        shll16  r0
        lds     r0, x0
        lds     r0, y0
        psub    x1, y1, a1      pmuls   x0, y0, a0
        assert_sreg     8, a0
        assert_sreg2    -75, a1
 
        set_greg        0xa5a5a5a5, r0
        set_greg        0xa5a5a5a5, r1
        test_grs_a5a5
        pass
        exit 0

Line No.	Rev	Author	Line
1	24	jeremybenn	`# sh testcase for psub`
2			`# mach: shdsp`
3			`# as(shdsp): -defsym sim_cpu=1 -dsp`
4
5			`.include "testutils.inc"`
6
7			`start`
8			`set_grs_a5a5`
9			`lds r0, a0`
10			`pcopy a0, a1`
11			`lds r0, x0`
12			`lds r0, x1`
13			`lds r0, y0`
14			`lds r0, y1`
15			`pcopy x0, m0`
16			`pcopy y1, m1`
17
18			`psub_sx_sy:`
19			`# 0xa5a5a5a5 minus 0xa5a5a5a5 equals zero`
20			`psub x0, y0, a0`
21			`assert_sreg 0, a0`
22
23			`psub_sy_sx:`
24			`# 100 - 25 = 75`
25			`mov #100, r0`
26			`mov #25, r1`
27			`lds r0, y1`
28			`lds r1, x1`
29			`psub y1, x1, a0`
30			`assert_sreg 75, a0`
31
32			`dct_psub:`
33			`# 100 - 25 = 75`
34			`set_dcfalse`
35			`dct psub y1, x1, a1`
36			`assert_sreg2 0xa5a5a5a5, a1`
37			`set_dctrue`
38			`dct psub y1, x1, a1`
39			`assert_sreg2 75, a1`
40
41			`dcf_psub:`
42			`# 25 - 100 = -75`
43			`set_dctrue`
44			`dcf psub x1, y1, m1`
45			`assert_sreg2 0xa5a5a5a5, m1`
46			`set_dcfalse`
47			`dcf psub x1, y1, m1`
48			`assert_sreg2 -75, m1`
49
50			`psub_pmuls:`
51			`# 25 - 100 = -75, and 2 x 2 = 8 (yes, eight, not four)`
52			`mov #2, r0`
53			`shll16 r0`
54			`lds r0, x0`
55			`lds r0, y0`
56			`psub x1, y1, a1 pmuls x0, y0, a0`
57			`assert_sreg 8, a0`
58			`assert_sreg2 -75, a1`
59
60			`set_greg 0xa5a5a5a5, r0`
61			`set_greg 0xa5a5a5a5, r1`
62			`test_grs_a5a5`
63			`pass`
64			`exit 0`

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[/] [openrisc/] [trunk/] [gnu-old/] [gdb-6.8/] [sim/] [testsuite/] [sim/] [sh/] [psub.s] - Blame information for rev 157