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[/] [openrisc/] [trunk/] [gnu-src/] [gdb-7.2/] [sim/] [testsuite/] [sim/] [sh/] [psub.s] - Blame information for rev 467

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1 330 jeremybenn
# sh testcase for psub
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# mach:  shdsp
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# as(shdsp):    -defsym sim_cpu=1 -dsp
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        .include "testutils.inc"
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        start
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        set_grs_a5a5
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        lds     r0, a0
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        pcopy   a0, a1
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        lds     r0, x0
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        lds     r0, x1
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        lds     r0, y0
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        lds     r0, y1
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        pcopy   x0, m0
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        pcopy   y1, m1
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psub_sx_sy:
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        # 0xa5a5a5a5 minus 0xa5a5a5a5 equals zero
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        psub    x0, y0, a0
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        assert_sreg     0, a0
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psub_sy_sx:
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        # 100 - 25 = 75
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        mov     #100, r0
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        mov     #25, r1
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        lds     r0, y1
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        lds     r1, x1
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        psub    y1, x1, a0
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        assert_sreg     75, a0
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dct_psub:
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        # 100 - 25 = 75
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        set_dcfalse
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        dct     psub    y1, x1, a1
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        assert_sreg2    0xa5a5a5a5, a1
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        set_dctrue
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        dct     psub    y1, x1, a1
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        assert_sreg2    75, a1
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dcf_psub:
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        # 25 - 100 = -75
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        set_dctrue
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        dcf     psub    x1, y1, m1
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        assert_sreg2    0xa5a5a5a5, m1
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        set_dcfalse
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        dcf     psub    x1, y1, m1
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        assert_sreg2    -75, m1
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psub_pmuls:
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        # 25 - 100 = -75, and 2 x 2 = 8 (yes, eight, not four)
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        mov     #2, r0
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        shll16  r0
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        lds     r0, x0
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        lds     r0, y0
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        psub    x1, y1, a1      pmuls   x0, y0, a0
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        assert_sreg     8, a0
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        assert_sreg2    -75, a1
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        set_greg        0xa5a5a5a5, r0
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        set_greg        0xa5a5a5a5, r1
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        test_grs_a5a5
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        pass
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        exit 0

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